CN104141622A - Power-free fan and oven with same - Google Patents

Power-free fan and oven with same Download PDF

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Publication number
CN104141622A
CN104141622A CN201410357569.3A CN201410357569A CN104141622A CN 104141622 A CN104141622 A CN 104141622A CN 201410357569 A CN201410357569 A CN 201410357569A CN 104141622 A CN104141622 A CN 104141622A
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CN
China
Prior art keywords
shaftgear
clockwork
power
fan
return
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Granted
Application number
CN201410357569.3A
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Chinese (zh)
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CN104141622B (en
Inventor
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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Priority to CN201410357569.3A priority Critical patent/CN104141622B/en
Publication of CN104141622A publication Critical patent/CN104141622A/en
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Publication of CN104141622B publication Critical patent/CN104141622B/en
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Abstract

The invention relates to a power-free fan and an oven with the same. The power-free fan comprises a shell with an air outlet and a net cover with which the air outlet is covered. A wind wheel is arranged in the shell and corresponds to the air outlet. The power-free fan is characterized in that a spring mechanism driving the wind wheel to rotate and a screwing handle inserted in the exterior of the shell to store energy for the spring mechanism are arranged in the shell. The power-free fan of the structure is simple in structure, small in size, and suitable for being installed on the body of the oven to carry out air turbulence on a heating space so that convection of hot air in the heating space can be formed to heat food more uniformly and more mildly and prevent the food from being heated too fast to be scorched.

Description

A kind of fan without power and apply the baking oven of this fan without power
Technical field
The present invention relates to fan, baking oven field, the baking oven that is specifically related to a kind of fan without power and applies 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 comprised 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 utility model 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.
Summary of the invention
Technical problem to be solved by this invention 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 invention 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 present invention addresses the above problem adopted technological scheme: 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 outside to stubborn of clockwork accumulation of energy.
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 and the engagement of 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 at clockwork spring, unclamps under the state of releasing energy, and the first shaftgear drives non-return ratchet to reverse and drives the second shaftgear to rotate together.During 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 a plurality of 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 and described the second shaftgear engagement, described the 4th shaftgear and the engagement of described output gear axle.The cooperation of a plurality of shaft gears can fully be amplified output kinetic energy according to actual needs, allows the output gear axle in energy transmission end have the longer operating time, thereby improves 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, thereby maintain the state that clockwork spring tightens up accumulation of energy.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 are used 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 outside to stubborn of clockwork accumulation of energy in described housing.During 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 invention has the advantages that: adopt that clockwork is more energy-conservation as the fan without power of mechanical sources, safety, and compact structure, volume are little, are convenient to be arranged on baking oven, can to heating space, blow disturbance at any time, easy to use, flexible.In addition, in the present invention, the combination of each parts of clockwork has advantages of that accumulation of energy is large, delivery efficiency is high, and realized the special actual mode of heating for baking oven and transferred out accordingly stable, the soft blowing mode of air quantity, thereby allow being heated of food materials more evenly relax, improve the using effect of baking oven.
Accompanying drawing explanation
Fig. 1 is the front schematic view of fan without power in the embodiment of the present invention;
Fig. 2 is the schematic rear view of fan without power in the embodiment of the present invention;
Fig. 3 is the exploded view of fan without power in the embodiment of the present invention;
Fig. 4 is the structural representation of clockwork in the embodiment of the present invention;
Fig. 5 is the structural representation that in the embodiment of the present invention, clockwork spring drives combination;
Fig. 6 is the STRUCTURE DECOMPOSITION figure of clockwork in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
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, the using effect that makes the food materials in heating space be heated and more relax, evenly improve baking oven.
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 rotations, 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 extends upward 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 rotating, 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, and clockwork spring drives combination that the kinetic energy of wind wheel 6 rotations is provided.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 and the first shaftgear 83 engagements.When being rotated in the forward, twist 4 during to clockwork spring 81 accumulation of energy, 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 shaftgears 83 reverses; 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 reverse and drive 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 engagements, the tooth axle of the 4th shaftgear 87 and the 3rd shaftgear 86 engagements, output gear axle 88 and the 4th shaftgear 87 mesh, thereby the potential energy gradual magnification of clockwork spring 82 are converted into the rotation function of wind wheel 6.By the 3rd shaftgear 86 of appropriate design the second shaftgear 85 and shaft gear, the gear diameter of the 4th shaftgear 87 and their tooth shaft diameters separately, 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, when prepared by actual assembled, aforementioned shaft gear can also have more than two, according to different transmissions, need to manufacture and design.
During 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 rotations, 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 interior formation of through hole that the terminal 911 at two ends is located on the second shaftgear 85 is 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, by rational inner member, arrange, are all optimized the delivery efficiency of this fan without power and duty cycle to improve the actual heating effect of baking oven.
In addition to the implementation, the present invention 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 claims in the present invention.

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) and described the first shaftgear (83) engagement, 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), and meanwhile, non-return ratchet (84) stops the first shaftgear (83) to reverse; At clockwork spring, unclamp under the state of releasing energy, 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 a plurality of 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) and described the second shaftgear (85) engagement, described the 4th shaftgear (87) and described output gear axle (88) engagement.
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) encloses by bag the exhaust outlet week edge that (5) are fixed on housing (1).
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).
CN201410357569.3A 2014-07-24 2014-07-24 Power-free fan and oven with same Active CN104141622B (en)

Priority Applications (1)

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CN201410357569.3A CN104141622B (en) 2014-07-24 2014-07-24 Power-free fan and oven with same

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Application Number Priority Date Filing Date Title
CN201410357569.3A CN104141622B (en) 2014-07-24 2014-07-24 Power-free fan and oven with same

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CN104141622A true CN104141622A (en) 2014-11-12
CN104141622B CN104141622B (en) 2017-01-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112353264A (en) * 2020-11-26 2021-02-12 廖全昌 Novel electromagnetic heating's intelligent manufacturing oven

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2253407Y (en) * 1995-03-13 1997-04-30 徐佑启 Non-electric mechanical fan
US6283726B1 (en) * 1999-03-04 2001-09-04 Temic Automotive Electric Motors Gmbh Radial blower, particularly for heating and air conditioning systems in automobiles
CN1507783A (en) * 2002-12-16 2004-06-30 Lg电子株式会社 Electric-roasting oven
CN204003534U (en) * 2014-07-24 2014-12-10 宁波正诺电器有限公司 A kind of fan without power and apply the baking oven of this fan without power

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2253407Y (en) * 1995-03-13 1997-04-30 徐佑启 Non-electric mechanical fan
US6283726B1 (en) * 1999-03-04 2001-09-04 Temic Automotive Electric Motors Gmbh Radial blower, particularly for heating and air conditioning systems in automobiles
CN1507783A (en) * 2002-12-16 2004-06-30 Lg电子株式会社 Electric-roasting oven
CN204003534U (en) * 2014-07-24 2014-12-10 宁波正诺电器有限公司 A kind of fan without power and apply the baking oven of this fan without power

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112353264A (en) * 2020-11-26 2021-02-12 廖全昌 Novel electromagnetic heating's intelligent manufacturing oven

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