CN204003534U - A kind of fan without power and apply the baking oven of this fan without power - Google Patents

A kind of fan without power and apply the baking oven of this fan without power Download PDF

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Publication number
CN204003534U
CN204003534U CN201420411615.9U CN201420411615U CN204003534U CN 204003534 U CN204003534 U CN 204003534U CN 201420411615 U CN201420411615 U CN 201420411615U CN 204003534 U CN204003534 U CN 204003534U
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China
Prior art keywords
shaftgear
clockwork
fan
power
housing
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CN201420411615.9U
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Chinese (zh)
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徐藏晖
孙君才
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NINGBO ZHENGNUO ELECTRICAL APPLIANCES CO Ltd
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NINGBO ZHENGNUO ELECTRICAL APPLIANCES CO Ltd
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Abstract

The utility model relates to a kind of fan without power and has the baking oven of this fan without power, this fan without power comprises having the housing of exhaust outlet and cover the guard at described exhaust outlet place, in described housing, corresponding exhaust outlet is provided with wind wheel, it is characterized in that: in described housing, be also provided with and drive the clockwork of described wind wheel rotation and be plugged in stubborn to clockwork accumulation of energy of outside.The fan without power of this structure is simple in structure, profile is small and exquisite, be applicable to be arranged on the casing of baking oven heating space is carried out to air agitation, make hot air in heating space produce convection current and allow being heated more evenly, relaxing of food materials, the too fast burned phenomenon causing prevents from being heated.

Description

A kind of fan without power and apply the baking oven of this fan without power
Technical field
The utility model relates to fan, baking oven field, is specifically related to a kind of fan without power and applies the baking oven of this fan without power.
Background technique
It is that people make more healthy barbecue cuisines and are subject to gradually the favor of vast family that culinary art can be with replacement conventional carbon bake mode with electric oven.Electric oven is mainly made up of casing, chamber door, electric heating element and temperature control and timing device, casing and chamber door form airtight barbecue space in cooking process, electric heating element is generally selected an above far-infrared tube or ultraviolet heating pipe and an above quartz heating-pipe, and these heating pipes are mostly distributed in box house so that heating mode to be in all directions provided.Important one that evaluates electric oven using effect quality is whether food heating is even, for this reason, those skilled in the art have made many improvement, as the pallet of accommodating food in baking box is arranged to rotation mode, Chinese invention patent " Rotary electric oven " (notice of authorization CN2520668Y) discloses the electric oven with rotation grill.Actual use found, rotation food materials itself are conducive to the thermally equivalent of food to a certain extent, but, in baking process, still easily there is the phenomenon that food portion is burned, trace it to its cause, this is mainly that the heat that heating pipe radiates is directly radiated to foodstuff surface and causes food overheated burned because the thermaltransmission mode in airtight casing is direct-lighting type.Therefore,, for the defect existing in aforementioned electric baking oven heating process, those skilled in the art need to make further improvement to the structure of existing electric oven.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of fan without power for above-mentioned prior art, is applied to especially on baking oven, can improve the transfer mode of heat in baking oven, food is heated more even.
Another object of the present utility model is to provide a kind of baking oven that fan without power is installed, and allows food be heated and more evenly avoids food burned.
The technical scheme in the invention for solving the above technical problem is: a kind of fan without power, comprise and there is the housing of exhaust outlet and cover the guard at described exhaust outlet place, in described housing, corresponding exhaust outlet is provided with wind wheel, it is characterized in that: in described housing, be also provided with and drive the clockwork of described wind wheel rotation and be plugged in stubborn to clockwork accumulation of energy of outside.
Preferably, described clockwork comprises that the clockwork spring coordinating successively drives combination, shaft gear and output gear axle, and described wind wheel is connected with described output gear axle, and wherein clockwork has formed the mechanical power source of wind wheel rotation.
Particularly, described clockwork spring drives combination to comprise clockwork spring, the first shaftgear, non-return ratchet and the second shaftgear, described clockwork spring and the first shaftgear are coaxially arranged on clockwork axis, described stubborn handle is inserted into described clockwork axis, and the inner of clockwork spring is fixed on clockwork axis to realize clockwork spring and answers domain tight or unclamp with the rotating photo of clockwork axis; The tooth axle of described non-return ratchet engages with the first shaftgear, described the second shaftgear is arranged on the central shaft of non-return ratchet, and on the second shaftgear, be flexibly provided with and the reverse non-return son engaging of non-return ratchet, under the state of the tight accumulation of energy of clockwork spring dish, the first shaftgear drives non-return ratchet to make it to rotate relative to the second shaftgear, and non-return ratchet stops the first shaftgear to reverse, and unclamps under the state of releasing energy at clockwork spring, and the first shaftgear drives non-return ratchet to reverse and drives the second shaftgear to rotate together.When actual use, be rotated in the forward and twist allowing clockwork axis rotate and driving the first shaftgear to be rotated in the forward and clockwork spring tightens up accumulation of energy, under the cooperation of non-return ratchet, the first shaftgear does not reverse, and mechanical energy is converted into the potential energy of clockwork spring; Unclamp after stubborn, coil tight clockwork spring and outwards release energy, clockwork axis reverses and successively drives the first shaftgear and non-return ratchet to reverse, and under the effect of non-return son, the second shaftgear reverses with non-return ratchet, and the potential energy of clockwork spring is converted into mechanical energy.
Preferably, described shaft gear have multiple and successively engagement form Transmitted chains, and at least comprise the 3rd shaftgear and the 4th shaftgear that are positioned at described Transmitted chains head and the tail two ends, the tooth axle of described the 3rd shaftgear engages with described the second shaftgear, and described the 4th shaftgear engages with described output gear axle.Output kinetic energy can be fully amplified in the cooperation of multiple shaft gears according to actual needs, allows and has the longer operating time in the output gear axle of energy transmission end, thereby improve the period of rotation of fan without power.
Reasonably arrange and be, described the second shaftgear upper limit has non-return spring, one end of described non-return spring and described non-return son are inconsistent, the other end of described non-return spring and the second shaftgear offset, described non-return son has the trend engaging with non-return ratchet all the time, in the situation that clockwork spring tightens up accumulation of energy, non-return ratchet overcomes non-return spring and departs from non-return son rotation, the reaction force of non-return spring forces again non-return sub-self-return simultaneously, non-return son is engaged with non-return ratchet all the time, to prevent that the first shaftgear from reversing, clockwork spring unclamps, tighten up the state of accumulation of energy thereby maintain clockwork spring.For simplify clockwork internal structure, be convenient to assembling, preferably easily there is elastically-deformable element in non-return spring, as the wire of arc etc.
Described clockwork is fixed between two fixed plates that are oppositely arranged, so that each element of integrated clockwork.
Described guard encloses the exhaust outlet week edge that is fixed on housing, ease of assembly by bag.
On described housing, be provided with hook, like this, on baking oven, only need to simple increase can supply the setting of linking up with suspension can fan without power be conveniently installed, when needs use fan, also convenient being taken off be rotated stubborn to clockwork spring cochain.
Preferably, described hook is the plate that a top is bent to form hook portion, and described housing outer surface has for the hard-wired recess of described hook, and described hook portion is exposed to described housing, and this hook structure is simple, and it is convenient to process, assemble.
A kind of baking oven, comprise the casing with heating space, it is characterized in that: on described casing, being provided with can be to the fan without power of heating space blowing, described fan without power comprises having the housing of exhaust outlet and cover the guard at described exhaust outlet place, in described housing, corresponding exhaust outlet is provided with wind wheel, is also provided with and drives the clockwork of described wind wheel rotation and be plugged in stubborn to clockwork accumulation of energy of outside in described housing.When culinary art, open fan without power, make the cross-ventilation in heating space, thereby allow food materials more evenly and lenitively be heated, effectively avoid food too fast, the inhomogeneous burned phenomenon causing of being heated.
Compared with prior art, the utility model has the advantage of: adopt clockwork, safety more energy-conservation as the fan without power of mechanical sources, and compact structure, volume are little, are convenient to be arranged on baking oven, can blow disturbance to heating space at any time, easy to use, flexible.In addition, in the utility model, the combination of the each parts of clockwork has advantages of that accumulation of energy is large, delivery efficiency is high, and realize especially and transferred out accordingly stable, the soft blowing mode of air quantity for the actual mode of heating of baking oven, thereby allow being heated of food materials more evenly relax, improve the using effect of baking oven.
Brief description of the drawings
Fig. 1 is the front schematic view of fan without power in the utility model embodiment;
Fig. 2 is the schematic rear view of fan without power in the utility model embodiment;
Fig. 3 is the exploded view of fan without power in the utility model embodiment;
Fig. 4 is the structural representation of clockwork in the utility model embodiment;
Fig. 5 is the structural representation that in the utility model embodiment, clockwork spring drives combination;
Fig. 6 is the STRUCTURE DECOMPOSITION figure of clockwork in the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Figures 1 to 6, the fan without power in the present embodiment is applied to baking oven especially, and the heating space that can surround oven box body blows disturbance, makes food materials in the heating space using effect that more relaxes, evenly improves baking oven of being heated.
The fan without power that above-mentioned baking oven is used has following structure, comprise that front end is the circular shell 1 of blowing mouth, enclose 5 by bag and be fixed with guard 2 at the exhaust outlet place of housing 1, the clockwork 8 that the interior corresponding exhaust outlet of housing 1 is provided with successively wind wheel 6 and drives wind wheel 6 to rotate, two fixed plates 71 that are oppositely arranged before and after clockwork 8 is arranged on, between 72, the back side of housing 1 is provided with hook 3, hook 3 is the plate that a top is bent to form hook portion 31, the back side of housing 1 has the recess 11 that accommodating plate main body is installed, hook portion 31 is upwards extended and is exposed to housing 1, the rear portion of housing 1 is inserted with runs through hook 3, housing 1 stretches to the stubborn 4 of clockwork 8, by rotate twist can be to the accumulation of energy of clockwork spring cochain 4.
Above-mentioned clockwork comprises that clockwork spring drives combination, shaft gear and output gear axle 88, and wind wheel 6 is arranged on output gear axle 88, the kinetic energy that clockwork spring drives combination to provide wind wheel 6 to rotate.Wherein clockwork spring drives combination to comprise clockwork spring 82, the first shaftgear 83, non-return ratchet 84 and the second shaftgear 85, clockwork spring 82, the first shaftgear 83 are coaxially arranged on clockwork axis 81, clockwork axis 81 passes backward above-mentioned rear fixed plate 72 and pegs graft 4 with twisting, and the inner of clockwork spring 82 is fixed on clockwork axis 81 that corresponding domain is tightly or unclamp on clockwork axis 81 to realize clockwork spring 82; The second shaftgear 85 is movably set on the central shaft of non-return ratchet 84, and between the two, be provided with non-return spring 91 and non-return sub 92, non-return spring 91 is spacing on the second shaftgear 85, non-return sub 92 connect and make together with the two movablely with the second shaftgear 85, and non-return spring 91 inconsistently makes non-return sub 92 to have all the time and the reverse trend engaging of non-return ratchet 84 with non-return sub 92; The tooth axle of non-return ratchet 84 engages with the first shaftgear 83.Twist 4 when clockwork spring 81 accumulation of energy when being rotated in the forward, the first shaftgear 83 drives non-return ratchet 84 to make it relative the second shaftgear forward rotation, and meanwhile, under non-return sub 92 reaction, non-return ratchet 84 stops the first shaftgear 83 to reverse; After cochain, unclamp and twist 4, clockwork spring 82 is in unclamping the state of releasing energy, and the first shaftgear 83 drives non-return ratchet 84 to reverse and drives the second shaftgear 85 to rotate together.
In the present embodiment, shaft gear has two, be respectively the 3rd shaftgear 86 and the 4th shaftgear 87, the tooth axle of the 3rd shaftgear 86 and second is taken out gear 85 and is engaged, the tooth axle of the 4th shaftgear 87 engages with the 3rd shaftgear 86, output gear axle 88 engages with the 4th shaftgear 87, thereby the potential energy gradual magnification of clockwork spring 82 is converted into the rotation function of wind wheel 6.By the 3rd shaftgear 86 of appropriate design the second shaftgear 85 and shaft gear, gear diameter and their tooth shaft diameters separately of the 4th shaftgear 87, can allow wind wheel 6 there is more suitable rotating speed and meet the air agitation intensity in heating space, optimize mode of heating.Certainly,, time prepared by actual assembled, aforementioned shaft gear can also have more than two, need to manufacture and design according to different transmissions.
When actual this fan without power of use, be rotated in the forward to twist and allow clockwork axis 81 rotate and drive the first shaftgear 83 to be rotated in the forward and clockwork spring 82 tightens up accumulation of energy 4, under the cooperation of non-return ratchet 84, the first shaftgear 83 does not reverse, now, extraneous mechanical energy is converted into the potential energy of clockwork spring 82; Unclamp and twist after 4, coiling tight clockwork spring 82 outwards releases energy, clockwork axis 81 reverses and successively drives the first shaftgear 83 and non-return ratchet 84 to reverse, under non-return sub 92 effect, the second shaftgear 85 reverses with non-return ratchet 84, then transmits amplification by the energy of the 3rd shaftgear 86 and the 4th shaftgear 87, and output gear axle 88 drives wind wheel 6 to rotate, now, the potential energy of clockwork spring 82 is converted into mechanical energy.
In addition, for the ease of manufacturing assembling, the preferred two ends of above-mentioned non-return spring 91 respectively have the curved wire of terminal 911, the terminal 911 at two ends be located in through hole on the second shaftgear 85, form spacing, one of them of two-terminal 911 coordinates with the breach 921 on thread form non-return sub 92, the other end can offset with the second shaftgear 85, makes non-return son have all the time the trend engaging with non-return ratchet.
The fan without power of said structure is simple in structure, profile is small and exquisite, be applicable to be arranged on the casing of baking oven heating space is carried out to air agitation, make hot air in heating space produce convection current and allow being heated more evenly, relaxing of food materials, the too fast burned phenomenon causing prevents from being heated.In addition, arrange by rational inner member, are all optimized the delivery efficiency of this fan without power and duty cycle the actual heating effect to improve baking oven.
In addition to the implementation, the utility model also includes other mode of executions, and the technological scheme that all employing equivalents or equivalent substitute mode form, within all should falling into the protection domain of the utility model claim.

Claims (10)

1. a fan without power, comprise and there is the housing (1) of exhaust outlet and cover the guard (2) at described exhaust outlet place, in described housing (1), corresponding exhaust outlet is provided with wind wheel (6), it is characterized in that: in described housing (1), be also provided with and drive the clockwork (8) of described wind wheel (6) rotation and be plugged in the outside stubborn handle (4) to clockwork (8) accumulation of energy of housing (1).
2. fan without power according to claim 1, it is characterized in that: described clockwork (8) comprises that the clockwork spring coordinating successively drives combination, shaft gear and output gear axle (88), and described wind wheel (6) is connected with described output gear axle (88).
3. fan without power according to claim 2, it is characterized in that: described clockwork spring drives combination to comprise clockwork spring (82), the first shaftgear (83), non-return ratchet (84) and the second shaftgear (85), described clockwork spring (82) is coaxially arranged on clockwork axis (81) with described the first shaftgear (83), described stubborn handle (4) is inserted into described clockwork axis (81), and the inner of described clockwork spring (82) is fixed on, and clockwork axis (81) is upper answers domain tightly or unclamp with the rotating photo of clockwork axis to realize clockwork spring;
The tooth axle of described non-return ratchet (84) engages with described the first shaftgear (83), described the second shaftgear (85) is arranged on the central shaft of non-return ratchet (84), and on the second shaftgear (85), is flexibly provided with and the reverse non-return son (92) engaging of non-return ratchet (84); Under the state of the tight accumulation of energy of clockwork spring dish, the first shaftgear (83) drives non-return ratchet (84) to make it to rotate relative to the second shaftgear (85), meanwhile, non-return ratchet (84) stops the first shaftgear (83) to reverse; Unclamp under the state of releasing energy at clockwork spring, the first shaftgear (83) drives non-return ratchet (84) to reverse and drives the second shaftgear (85) to rotate together.
4. fan without power according to claim 3, it is characterized in that: described shaft gear have multiple and successively engagement form Transmitted chains, and at least comprise the 3rd shaftgear (86) and the 4th shaftgear (87) that are positioned at described Transmitted chains head and the tail two ends, the tooth axle of described the 3rd shaftgear (86) engages with described the second shaftgear (85), and described the 4th shaftgear (87) engages with described output gear axle (88).
5. fan without power according to claim 3, it is characterized in that: described the second shaftgear (85) upper limit has non-return spring (91), one end of described non-return spring (91) and described non-return son (92) are inconsistent, the other end of described non-return spring (91) and the second shaftgear (85) offset, and described non-return son (92) has the trend engaging with non-return ratchet (84) all the time.
6. according to the fan without power described in arbitrary claim in claim 1 to 5, it is characterized in that: described clockwork (8) is fixed between two fixed plates (71,72) that are oppositely arranged.
7. fan without power according to claim 6, is characterized in that: described guard (2) is enclosed (5) and be fixed on exhaust outlet week edge of housing (1) by bag.
8. fan without power according to claim 6, is characterized in that: on described housing (1), be provided with hook (3).
9. fan without power according to claim 8, it is characterized in that: described hook (3) is the plate that a top is bent to form hook portion (31), described housing (1) outer surface has for the hard-wired recess of described hook (3) (11), and described hook portion (31) is exposed to described housing (1).
10. a baking oven, comprise the casing with heating space, it is characterized in that: on described casing, being provided with can be to the fan without power of heating space blowing, described fan without power comprises having the housing (1) of exhaust outlet and cover the guard (2) at described exhaust outlet place, in described housing (1), corresponding exhaust outlet is provided with wind wheel (6), is also provided with and drives the clockwork (8) of described wind wheel (6) rotation and be plugged in the outside stubborn handle (4) to clockwork (8) accumulation of energy of housing (1) in described housing (1).
CN201420411615.9U 2014-07-24 2014-07-24 A kind of fan without power and apply the baking oven of this fan without power Active CN204003534U (en)

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CN201420411615.9U CN204003534U (en) 2014-07-24 2014-07-24 A kind of fan without power and apply the baking oven of this fan without power

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Application Number Priority Date Filing Date Title
CN201420411615.9U CN204003534U (en) 2014-07-24 2014-07-24 A kind of fan without power and apply the baking oven of this fan without power

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104141622A (en) * 2014-07-24 2014-11-12 宁波正诺电器有限公司 Power-free fan and oven with same
CN109237245A (en) * 2018-11-23 2019-01-18 东莞市丰展电子科技有限公司 A kind of machinery interval pause clockwork spring holder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104141622A (en) * 2014-07-24 2014-11-12 宁波正诺电器有限公司 Power-free fan and oven with same
CN104141622B (en) * 2014-07-24 2017-01-18 宁波正诺电器有限公司 Power-free fan and oven with same
CN109237245A (en) * 2018-11-23 2019-01-18 东莞市丰展电子科技有限公司 A kind of machinery interval pause clockwork spring holder

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