CN201638031U - Mechanical timer for heating electrical equipment - Google Patents
Mechanical timer for heating electrical equipment Download PDFInfo
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- CN201638031U CN201638031U CN2010201208358U CN201020120835U CN201638031U CN 201638031 U CN201638031 U CN 201638031U CN 2010201208358 U CN2010201208358 U CN 2010201208358U CN 201020120835 U CN201020120835 U CN 201020120835U CN 201638031 U CN201638031 U CN 201638031U
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Abstract
The utility model relates to a mechanical timer for heating electrical equipment, which comprises a first walking wheel part, a second walking wheel part, a third walking wheel part, an escapement wheel part, an escapement level part and a balance wheel part, wherein the third walking wheel, the escapement part, and the escapement level part comprise a plastic body which is integrally injection-moulded, and a metal axel core whish is penetrated in the plastic body. In the utility moulded, under the premise of ensuring the accuracy of timing, the third walking wheel part, the escapement wheel part and the escapement level part are designed into the plastic body to be combined with the axel core movably penetrated in the plastic body, the plastic body can be a high temperature resisting plastic piece which is injection-moulded at one step, due to the high temperature resisiting plastic material is not good hot conductor, the deformation generated under the high temperature is less, and due to adopting the injection moulding at one step at the same temperature, compared with the adopted metal material before, the utility model has no riveting gap, fewer accumulated errors of parts, more accurate meshing between the parts under the high temperature environment and more accurate timing.
Description
Technical field
The utility model relates to a kind of mechanical timer.
Background technology
The existing mechanical timer that is used on the hot type electrical equipment such as micro-wave oven, its structure is normally: comprise train wheel bridge, lower plate, be provided with between the upper and lower clamping plate by the time wheel system of walking the great wheel parts, walk two wheel components, walking three wheel components, escape wheel parts, escapement lever parts and escapement parts constitute, and by clock head pulley parts, sharp gear parts, beat the warning wheel that hammer constitutes and be; These parts tradition are to adopt the metal manufacturing, and its traditional processing mode is:
1, walk two, three wheel components: by walk great wheel arbor, walk three wheel shafts respectively with walk two to take turns sheet, walk three-wheel sheet riveted and form (wherein to walk great wheel arbor, walk three wheel shafts and need pass through automatic turning, gear hobbing, plating and form; Walk two, the three-wheel sheet need pass through blanking, gear hobbing or form towards tooth, pickling).The structural representation of walking three wheel components can be referring to Fig. 4.
2, escape wheel parts: form by escapement wheel shaft and escape wheel sheet riveted that (wherein the escapement wheel shaft need pass through automatic turning, gear hobbing, plating and forms; The escape wheel sheet need pass through punching press, pickling forms).
3, escapement lever parts: form by escapement fork shaft, escapement lever sheet, escapement forked needle riveted that (wherein the escapement fork shaft need pass through automatic turning, electroplate and to form; The escapement lever sheet need pass through punching press, pickling forms; The escapement forked needle need pass through blanking, throws round end, antirust processing forms).
4, escapement parts: form by balance staff, escapement sheet, balancing point riveted that (wherein balance staff need pass through automatic turning, groove milling, throwing round end, thermal treatment, plating and forms; The escapement sheet need form through blanking; Balancing point need pass through blanking, throws round end, antirust processing forms).
5, clock head pulley parts: form by clock head pulley axle, clock head pulley sheet, click spring riveted that (wherein the clock head pulley axle need pass through automatic turning, trimming, form towards hook, polishing, plating; The clock head pulley sheet need pass through blanking, gear hobbing or form towards tooth, pickling; Click spring need pass through blanking, moulding forms).
6, sharp gear parts: form by pointed tooth wheel shaft and sharp gear sheet riveted that (wherein the pointed tooth wheel shaft need pass through automatic turning, gear hobbing, thermal treatment, plating and forms; The sharp gear sheet need pass through blanking).
7, play hammer: disposal pouring moulding (material is an allumen).
It is to be noted, in the above-mentioned parts, walk great wheel arbor, walk three wheel shafts, the escapement wheel shaft, the escapement fork shaft, balance staff, the clock head pulley axle, the pointed tooth wheel shaft respectively with walk two and take turns sheet, walk the three-wheel sheet, the escape wheel sheet, the escapement lever sheet, the escapement sheet, the clock head pulley sheet, the sharp gear sheet is that riveted connects, walk great wheel arbor, walk three wheel shafts, the escapement wheel shaft, the escapement fork shaft, balance staff, the clock head pulley axle, the pointed tooth wheel shaft is to be rotatably connected to, on the lower plate, realize away that with this two take turns, walk three-wheel, escape wheel, escapement lever, escapement, clock head pulley, sharp gear is last, rotation between the lower plate.
The problem that above-mentioned parts adopt metalwork to exist is: under hot environment, because the metal fever transmissibility factor is big, the metal quick heating can produce moderate finite deformation, and the part of metal parts and part riveted place easily produce big space; And, the wheel shaft of above-mentioned each parts (or fork shaft) adopts different material with wheel sheet (or fork sheet), general wheel shaft (or fork shaft) is an iron, wheel sheet (or fork sheet) is a copper, two parts of adjacent drive connection, as walk three wheel components, the escape wheel parts, its the two be to be meshing with each other by the tooth on the wheel shaft of tooth on the wheel sheet of walking three wheel components and escape wheel parts to realize, because wheel shaft adopts different metal materials to make with the wheel sheet, the thermal expansivity difference of different metal makes at high temperature to occur the situation that the back lash is little or can't mesh between the part; In addition, the manufacturing procedure of metal parts is too complicated, is easy to generate cumulative errors in the part processing process, and above-mentioned reason causes the timer timing accuracy not high jointly, even stops because of meshing away.
Summary of the invention
In order to solve the problems referred to above that the existing mechanical timer adopts working metal spare to exist, the utility model proposes a kind of timing accuracy height, can not Yin Gaowen and the mechanical timer walking to stop.
In order to realize above-mentioned purpose, the utility model has adopted following technical scheme:
A kind of mechanical timer that is used for heating electrical appliance, comprise train wheel bridge, lower plate, described train wheel bridge upper fixed has loam cake, the lower plate below is fixed with back of the body bell, be equipped with handle on described loam cake and the train wheel bridge, on described, be provided with between the lower plate connect and compose time wheel system successively walk the great wheel parts, walk two wheel components, walk three wheel components, the escape wheel parts, the escapement lever parts, the escapement parts, described handle is affixed with the wheel shaft of walking the great wheel parts, the described great wheel element coaxial of walking is connected with away forwinding wheel, the described forwinding wheel of walking connects the clock forwinding wheel that is engaged with, described clock forwinding wheel lower end is connected with cam, the outer rim of cam is provided with bayonet socket, and the wheel shaft of described clock forwinding wheel is connected by clockwork spring with the wheel shaft of walking the great wheel parts; The coaxial connection clock head pulley of described clock forwinding wheel parts, described clock head pulley parts connect the sharp gear parts successively, beat hammer parts formation warning wheel system, describedly walk the plastic body that three wheel components, escape wheel parts, escapement lever parts comprise integrated injection molding, and be arranged in metal shaft core in the described plastic body, the described hammer parts of beating comprise dozen tup, beat hammer body, described beat have on the hammer body pointed tooth that cooperates with described sharp gear parts and with the projection of described bayonet fittings, the described tup of beating cooperates with back of the body bell and knocks.
Further, the described plastic body of walking three wheel components comprises walking three-wheel sheet and three wheel shafts of walking that are actively set on the metal shaft core; The plastic body of escape wheel comprises escape wheel sheet and the escapement wheel shaft that is actively set on the metal shaft core; The plastic body of escapement lever comprises escapement lever sheet, escapement forked needle and is actively set on escapement fork shaft on the metal shaft core.
Further, described clock head pulley parts and sharp gear parts all comprise the plastic body of integrated injection molding, and being arranged in metal shaft core in the plastic body, the plastic body of clock head pulley parts comprises clock head pulley sheet, click spring and is actively set on clock head pulley axle on the metal shaft core; The plastic body of sharp gear parts comprises the sharp gear sheet and is actively set on pointed tooth wheel shaft on the metal shaft core.
Further, describedly walk forwinding wheel and clock forwinding wheel is arranged between loam cake and the train wheel bridge.
Further, described upper and lower clamping plate are fixedlyed connected with nut by screw rod.
Technical conceive of the present utility model is: two cover trains when timer is walked and when noisy, come the scrolling clockwork spring by turning handle, the restoring force of clockwork spring drives the motion of time wheel system, and time wheel system comprises walking the great wheel parts, walks two wheel components, walks three wheel components, escape wheel parts, escapement lever parts and escapement parts; Warning wheel system comprises clock head pulley parts, sharp gear parts, plays hammer, system is suitable ratio of gear with warning wheel by the design time wheel, make and to reset fully when also being timing arrival when clockwork spring, the projection of beating on the hammer parts just slips in the bayonet socket of end cam under the clock forwinding wheel, and then, the sharp gear parts are beaten the pointed tooth of hammer on the parts and are stirred the sharp gear parts and beat the hammer parts, make that beating the hammer body swings back and forth and knock back of the body bell, sends the sound that makes a noise and points out.The utility model is under the prerequisite that guarantees timing accuracy, to walk three wheel components, the escape wheel parts, the escapement lever parts all are designed to plastic body and the movable combination that is arranged in the metal shaft core in the plastic body, but above-mentioned plastic body all is high-temperature resistance plastice spares of single injection-molded, because high-temperature resistance plastice is the poor conductor of heat, therefore the distortion that at high temperature produces is little, and owing to be to adopt high-temperature resistance plastice once injection moulding of the same race, adopted metallic material parts, there has not been the riveted gap, the cumulative errors of part is also little, therefore, comprehensive above 2 points, under hot environment, engagement is more accurate between each parts of the present utility model, the timer timing accuracy is higher, can not walk to stop because of high temperature deformation.Because walk great wheel, walking two, to take turns and walk the wheel shaft moment of torsion of forwinding wheel, clock forwinding wheel, clock head pulley bigger, skid to prevent to turn so above-mentioned several persons are kept metalwork.Simultaneously further escapement parts and clock head pulley parts, sharp gear parts also are designed to comprise the plastic body of integrated injection molding, and are arranged in the metal shaft core in the plastic body, can further reduce the part high temperature deformation, improve precision regularly.
The beneficial effects of the utility model are: the cumulative errors of part is little, does not have the riveted gap, the part high temperature deformation is little, timer timing accuracy height, can not Yin Gaowen and walk to stop.
Description of drawings
Fig. 1 is a schematic appearance of the present utility model.
Fig. 2 is drive mechanism figure of the present utility model.
Fig. 3 is a structural representation of walking three wheel components of the present utility model.
Fig. 4 is the existing structural representation of walking three wheel components.
Fig. 5 is a structural representation of beating the hammer parts of the present utility model.
Fig. 6 is the A-A cut-open view of Fig. 5.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
With reference to Fig. 1,2: wherein, Fig. 2 is the synoptic diagram of the utility model along circumferentially deploying, has clearly embodied drive connection of the present utility model.
A kind of mechanical timer that is used for heating electrical appliance, comprise train wheel bridge 12, lower plate 1, on described, lower plate is fixedlyed connected with nut 20 by screw rod, described train wheel bridge 12 upper fixed have loam cake 23, lower plate 1 below is fixed with back of the body bell 24, be equipped with handle 22 on described loam cake 23 and the train wheel bridge 12, on described, be provided with between the lower plate connect and compose time wheel system successively walk great wheel parts 2, walk two wheel components 3, walk three wheel components 4, escape wheel parts 5, escapement lever parts 6, escapement parts 7, described handle 22 is affixed with the wheel shaft of walking great wheel parts 2, the described great wheel parts 2 of walking are coaxially connected with away forwinding wheel 18, the described forwinding wheel 18 of walking connects the clock forwinding wheel 14 that is engaged with, described clock forwinding wheel 14 lower ends are connected with cam 15, the outer rim of cam 15 is provided with bayonet socket, and the wheel shaft of described clock forwinding wheel 14 is connected by clockwork spring 25 with the wheel shaft of walking great wheel parts 2; Described clock forwinding wheel 14 coaxial connection clock head pulley parts 9, described clock head pulley parts 9 connect sharp gear parts 10 successively, beat hammer parts 11 and constitute warning wheel system, described three wheel components 4 of walking, escape wheel parts 5, escapement lever parts 6, escapement parts 7, sharp gear parts 10 comprise the plastic body of integrated injection molding, and be arranged in metal shaft core in the described plastic body, to walk three wheel components 4 is that example illustrates its structure, referring to Fig. 3, walk the plastic body 41 that three wheel components 4 comprise integrated injection molding, and be arranged in the metal shaft core 42 in the described plastic body 41.Its structure can be done contrast with existing Fig. 4 that walks three wheel components, walks three wheel shafts 43 among Fig. 4 and walks three-wheel sheet 44 and rivet.
Shown in Fig. 5,6, described beat that hammer parts 11 comprise metal material beat beating hammer body 112 and being arranged in the interior metal shaft core 113 of dozen hammer body 112 of tup 111, integrated injection molding, all fixedly connected with upper and lower clamping plate in the two ends of the metal shaft core 113 of above-mentioned each parts, described beat have on the hammer body 112 pointed tooth that cooperates with described sharp gear parts 10 and with the projection 16 of described bayonet fittings, the described tup 111 of beating cooperates with back of the body bell 24 and knocks.
Connect successively plastic material sharp gear 10 and by plastics section and metal segments be combined into beat the hammer assembly 11, described plastics section of playing hammer assembly 11 cooperates with described sharp gear 10, particularly, described plastics section of playing hammer assembly 11 is provided with the pointed tooth that cooperates with described sharp gear, and described metal segments of playing hammer assembly 11 cooperates with the metal wheel shaft of described clock head pulley 9 knocks; Above-mentioned clock head pulley wheel 9, sharp gear 10, play hammer assembly 11 and constitute warning wheels and be.Above-mentioned three-wheel 4, escape wheel assembly, the escapement 7 walked, and clock head pulley 9, sharp gear 10, the non-portion of knocking of playing hammer assembly 11 make by resistant to elevated temperatures plastics uses on hot type electrical equipment being suitable for.Described upper and lower clamping plate are fixing by screw rod and nut 20.
The described forwinding wheel 18 of walking is metal material with clock forwinding wheel 14, is arranged on the upper end of train wheel bridge 12.
Described clock forwinding wheel 14 lower ends are connected with cam 15, and the outer rim of cam 15 is provided with bayonet socket, and described plastics section of playing hammer assembly 11 is provided with the projection 16 with described bayonet fittings.The above-mentioned plastic body of walking three wheel components comprises walking three-wheel sheet and three wheel shafts of walking that are actively set on the metal shaft core; The plastic body of escape wheel comprises escape wheel sheet and the escapement wheel shaft that is actively set on the metal shaft core; The plastic body of escapement lever comprises escapement lever sheet, escapement forked needle and is actively set on escapement fork shaft on the metal shaft core; The plastic body of escapement parts comprises that escapement sheet, balancing point and balance staff are actively set on the balance staff on the metal shaft core; The plastic body of clock head pulley parts comprises clock head pulley sheet, click spring and is actively set on clock head pulley axle on the metal shaft core; The plastic body of sharp gear parts comprises the sharp gear sheet and is actively set on pointed tooth wheel shaft on the metal shaft core, the equal whole single injection-molded of plastic body of above-mentioned each parts (walking three wheel components, escape wheel, escapement lever, escapement parts and clock head pulley parts, sharp gear parts).
The principle of work of present embodiment: two cover trains when timer is walked and when noisy, come scrolling clockwork spring 25 by turning handle 22, the restoring force of clockwork spring 25 drives the motion of time wheel system, and time wheel system comprises walking great wheel parts 2, walks two wheel components 3, walks three wheel components 4, escape wheel assembly and escapement parts 7; Warning wheel system comprises clock head pulley parts 9, sharp gear parts 10, plays hammer 11, system is suitable ratio of gear with warning wheel by the design time wheel, make and to reset fully when also being timing arrival when clockwork spring 25, the projection of beating on the hammer parts 11 16 just slips in the bayonet socket of 14 times end cams 15 of clock forwinding wheel, and then, the pointed tooth of beating on the hammer parts 11 is stirred sharp gear parts 10, makes that beating the hammer body swings back and forth and knock back of the body bell, sends the sound that makes a noise and points out.The utility model is under the prerequisite that guarantees timing accuracy, to walk three wheel components 4, the escape wheel assembly, escapement parts 7 and clock head pulley parts 9, sharp gear parts 10 all are designed to plastic body and the movable combination that is arranged in the metal shaft core in the plastic body, the non-portion of knocking of beating hammer parts 11 is designed to the combination of playing hammer body 112 and the metal shaft core 113 that is arranged in dozen hammer body 112 of plastic material, but above-mentioned plastic body all is high-temperature resistance plastice spares of single injection-molded with beating hammer body, because high-temperature resistance plastice is the poor conductor of heat, therefore the distortion that at high temperature produces is little, and owing to be to adopt high-temperature resistance plastice once injection moulding of the same race, adopted metallic material parts, there has not been the riveted gap, the cumulative errors of part is also little, therefore, comprehensive above 2 points, under hot environment, between each parts of the present utility model the engagement more accurate, the timer timing accuracy is higher, can not walk to stop because of high temperature deformation.Because walk great wheel, walking two, to take turns and walk the wheel shaft moment of torsion of forwinding wheel, clock forwinding wheel, clock head pulley bigger, skid to prevent to turn so above-mentioned several persons are kept metalwork.
Claims (5)
1. mechanical timer that is used for heating electrical appliance, comprise train wheel bridge, lower plate, described train wheel bridge upper fixed has loam cake, the lower plate below is fixed with back of the body bell, be equipped with handle on described loam cake and the train wheel bridge, on described, be provided with between the lower plate connect and compose time wheel system successively walk the great wheel parts, walk two wheel components, walk three wheel components, the escape wheel parts, the escapement lever parts, the escapement parts, described handle is affixed with the wheel shaft of walking the great wheel parts, the described great wheel element coaxial of walking is connected with away forwinding wheel, the described forwinding wheel of walking connects the clock forwinding wheel that is engaged with, described clock forwinding wheel lower end is connected with cam, the outer rim of cam is provided with bayonet socket, and the wheel shaft of described clock forwinding wheel is connected by clockwork spring with the wheel shaft of walking the great wheel parts; The coaxial connection clock head pulley of described clock forwinding wheel parts, described clock head pulley parts connect the sharp gear parts successively, beat hammer parts formation warning wheel system, it is characterized in that: describedly walk the plastic body that three wheel components, escape wheel parts, escapement lever parts comprise integrated injection molding, and be arranged in metal shaft core in the described plastic body, the described hammer parts of beating comprise dozen tup, beat hammer body, described beat have on the hammer body pointed tooth that cooperates with described sharp gear parts and with the projection of described bayonet fittings, the described tup of beating cooperates with back of the body bell and knocks.
2. a kind of mechanical timer that is used for heating electrical appliance as claimed in claim 1 is characterized in that: the described plastic body of walking three wheel components comprises walking three-wheel sheet and three wheel shafts of walking that are actively set on the metal shaft core; The plastic body of escape wheel comprises escape wheel sheet and the escapement wheel shaft that is actively set on the metal shaft core; The plastic body of escapement lever comprises escapement lever sheet, escapement forked needle and is actively set on escapement fork shaft on the metal shaft core.
3. a kind of mechanical timer that is used for heating electrical appliance as claimed in claim 1, it is characterized in that: described clock head pulley parts and sharp gear parts all comprise the plastic body of integrated injection molding, and being arranged in metal shaft core in the plastic body, the plastic body of clock head pulley parts comprises clock head pulley sheet, click spring and is actively set on clock head pulley axle on the metal shaft core; The plastic body of sharp gear parts comprises the sharp gear sheet and is actively set on pointed tooth wheel shaft on the metal shaft core.
4. a kind of mechanical timer that is used for heating electrical appliance as claimed in claim 1 is characterized in that: describedly walk forwinding wheel and clock forwinding wheel is arranged between loam cake and the train wheel bridge.
5. a kind of mechanical timer that is used for heating electrical appliance as claimed in claim 1 is characterized in that: described upper and lower clamping plate are fixedlyed connected with nut by screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201208358U CN201638031U (en) | 2010-03-01 | 2010-03-01 | Mechanical timer for heating electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201208358U CN201638031U (en) | 2010-03-01 | 2010-03-01 | Mechanical timer for heating electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638031U true CN201638031U (en) | 2010-11-17 |
Family
ID=43082535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201208358U Expired - Fee Related CN201638031U (en) | 2010-03-01 | 2010-03-01 | Mechanical timer for heating electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638031U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062882A (en) * | 2014-07-22 | 2014-09-24 | 福州小神龙表业技术研发有限公司 | Clock movement |
| CN104102118A (en) * | 2014-07-22 | 2014-10-15 | 福州小神龙表业技术研发有限公司 | Clock movement |
| CN107632509A (en) * | 2016-07-19 | 2018-01-26 | 尼瓦洛克斯-法尔股份有限公司 | Component for watch and clock movement |
-
2010
- 2010-03-01 CN CN2010201208358U patent/CN201638031U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062882A (en) * | 2014-07-22 | 2014-09-24 | 福州小神龙表业技术研发有限公司 | Clock movement |
| CN104102118A (en) * | 2014-07-22 | 2014-10-15 | 福州小神龙表业技术研发有限公司 | Clock movement |
| CN107632509A (en) * | 2016-07-19 | 2018-01-26 | 尼瓦洛克斯-法尔股份有限公司 | Component for watch and clock movement |
| CN114035413A (en) * | 2016-07-19 | 2022-02-11 | 尼瓦洛克斯-法尔股份有限公司 | Component for a timepiece movement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20160301 |
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| CF01 | Termination of patent right due to non-payment of annual fee |