CN205197848U - Sealing washer and cooking machine - Google Patents
Sealing washer and cooking machine Download PDFInfo
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- CN205197848U CN205197848U CN201520917453.0U CN201520917453U CN205197848U CN 205197848 U CN205197848 U CN 205197848U CN 201520917453 U CN201520917453 U CN 201520917453U CN 205197848 U CN205197848 U CN 205197848U
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- silencing cavity
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Abstract
The utility model discloses a sealing washer and cooking machine, wherein, the sealing washer sets up between the cup and head assembly of cooking machine, have with the relative first terminal surface of head assembly axial and with the relative second terminal surface of cup axial, be equipped with at least one edge on the first terminal surface amortization mechanism and intercommunication that sealing washer circumference distributes the inside inlet structure of cup, amortization mechanism has an at least amortization chamber, the inlet channel of the intercommunication amortization chamber and the mechanism of admitting air, the intercommunication amortization chamber exhaust passage outside with the cup, the amortization chamber has the diapire of seting up inlet channel, relative with the diapire and set up the roof of exhaust passage and is connected the diapire and the lateral wall of roof, the follow air current along roof, lateral wall and diapire production vortex that inlet channel got into. The utility model discloses technical scheme is the energy of noise reduction effectively to reach and fall the mesh of making an uproar arranging the machine.
Description
Technical field
The utility model relates to household electrical appliance technical field, particularly a kind of sealing ring and cooking machine.
Background technology
Along with the continuous progress of society, cooking machine such as soy bean milk making machine, juice extractor etc. have entered in increasing family.For avoiding the head of cooking machine directly to contact with cup, therefore between head and cup, being provided with sealing ring, on sealing ring, being provided with exhaust structure for discharging gas in cup simultaneously.But because sealing ring is provided with exhaust structure, the noise in such cup is also easy to be run out of in exhaust passage, makes cooking machine noise larger.
Utility model content
Main purpose of the present utility model is to provide a kind of sealing ring, is intended to the energy reducing noise, to reach noise reduction object to cooking machine.
For achieving the above object, the sealing ring that the utility model proposes is arranged between the cup of cooking machine and nose assembly, have first end face axially relative with described nose assembly and second end face axially relative with described cup, described first end face is provided with at least one silencer mechanism along the distribution of described sealing ring circumference and the air intake structure being communicated with described cup inside; Described silencer mechanism has at least one silencing cavity, be communicated with the inlet channel of described silencing cavity and described admission gear, be communicated with the exhaust passage of described silencing cavity and described cup outside, described silencing cavity has the diapire, relative with described diapire and offer the roof of described exhaust passage and connect the sidewall of described diapire and described roof offering described inlet channel, and the air-flow entered from described inlet channel produces vortex along roof, sidewall and diapire.
Preferably, the roof of described silencing cavity has the reflecting segment relative with the jet direction of described inlet channel, and described reflecting segment is obliquely installed, and the distance between described reflecting segment and described diapire reduces on the direction of described inlet channel gradually from described sidewall.
Preferably, the roof of described silencing cavity has the reflecting segment relative with the jet direction of described inlet channel, described reflecting segment caves in into arc-shaped towards the direction away from described diapire, and the distance between described reflecting segment and described diapire reduces on the direction of described inlet channel gradually from described sidewall.
Preferably, described silencer mechanism comprises at least one pair of silencing cavity, and described often pair of silencing cavity is symmetricly set on the both sides of described inlet channel.
Preferably, described inlet channel and described exhaust passage are arranged along the radial direction of described sealing ring, and the often pair of described silencing cavity is arranged along the circumference of described sealing ring.
Preferably, described inlet channel and described exhaust passage are arranged along the circumference of described sealing ring, and the often pair of described silencing cavity is arranged along the radial direction of described sealing ring.
Preferably, described silencer mechanism has two silencing cavity, two described silencing cavity are symmetricly set on the both sides of described inlet channel, and the roof of described silencing cavity is obliquely installed, and the distance between described roof and described diapire reduces on the direction of described inlet channel gradually from described sidewall; Form angle between the roof of two described silencing cavity, the scope of described angle is 110 degree to 130 degree.
Preferably, the ratio of the width of the distance described in two between silencing cavity sidewall and described inlet channel is 5.5 to 6.5.
Preferably, one end be connected with described inlet channel of described diapire, to described roof the one end be connected with described exhaust passage between distance, be 2.3 to 2.5 with the ratio of the width of described inlet channel.
Preferably, the ratio of the width of described exhaust passage and the width of described inlet channel is 1.2 to 1.3.
The utility model also proposes a kind of cooking machine, comprise cup and be fastened on the nose assembly on described cup, sealing ring is provided with between described cup and nose assembly, described sealing ring is sheathed on described nose assembly, described sealing ring has first end face axially relative with described nose assembly and second end face axially relative with described cup, described first end face and described nose assembly are fitted, and the end face of described second end face and described cup is fitted; Described first end face is provided with at least one silencer mechanism along the distribution of described sealing ring circumference and the air intake structure being communicated with described cup inside; Described silencer mechanism has at least one silencing cavity, is communicated with the inlet channel of described silencing cavity and described admission gear, is communicated with the exhaust passage of described silencing cavity and described cup outside; Described silencing cavity has the diapire, relative with described diapire and offer the roof of described exhaust passage and connect the sidewall of described diapire and described roof offering described inlet channel, and the air-flow entered from described inlet channel produces vortex along roof, sidewall and diapire.
The technique effect of the sealing ring that technical solutions of the utility model provide and advantage refer to the description of description.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, the structure according to these accompanying drawings can also obtain other accompanying drawing.
Fig. 1 is the structural representation of the utility model soy bean milk making machine one embodiment;
Fig. 2 is the exploded perspective view of soy bean milk making machine in Fig. 1;
Fig. 3 is the top view in the utility model sealing ring first embodiment;
Fig. 4 is the partial enlarged drawing at A place in Fig. 3;
Fig. 5 is the floor map of the silencing cavity of sealing ring in Fig. 3;
Fig. 6 is the top view in the utility model sealing ring second embodiment;
Fig. 7 is the partial enlarged drawing at B place in Fig. 6;
Fig. 8 is the partial schematic diagram in the utility model sealing ring the 3rd embodiment;
Fig. 9 is the partial schematic diagram in the utility model sealing ring the 4th embodiment;
Figure 10 is the structural representation of silencer mechanism in the utility model sealing ring the 5th embodiment;
Figure 11 is the round schematic diagram of sound in the silencing cavity of the utility model sealing ring;
Figure 12 is the upward view of the utility model sealing ring.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 11 | Lid | 222 | Second inlet channel |
| 12 | Electric machine casing | 223 | First sub-inlet channel |
| 13 | Cup | 224 | Second sub-inlet channel |
| 14 | Rotating shaft | 23 | Exhaust passage |
| 15 | Crushed piece | 231 | First exhaust passage |
| 2 | Sealing ring | 232 | Second exhaust passage |
| 201 | First end face | 241 | First air inlet gap |
| 202 | Second end face | 242 | Second air inlet gap |
| 21 | Silencing cavity | 243 | Air flap |
| 211 | Roof | 25 | Air inlet duct |
| 212 | Sidewall | 261 | First positioning boss |
| 213 | Diapire | 262 | Second positioning boss |
| 22 | Inlet channel | 263 | Annular bead |
| 221 | First inlet channel |
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Need explanation, all directionality instruction (such as up, down, left, right, before and afters in the utility model embodiment ...) only for explaining the relative position relation, motion conditions etc. under a certain particular pose (as shown in drawings) between each parts, if when this particular pose changes, then directionality instruction also correspondingly changes thereupon.
In addition, in the utility model, relate to the description of " first ", " second " etc. only for describing object, and instruction can not be interpreted as or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In addition; technical scheme between each embodiment can be combined with each other; but must be can be embodied as basis with those of ordinary skill in the art; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exist, also not the utility model require protection domain within.
The utility model proposes a kind of sealing ring 2, as depicted in figs. 1 and 2, sealing circle 2 is applied to soy bean milk making machine, and to weaken the noise produced in the soy bean milk making machine course of work, certain sealing circle 2 can also be applied to other cooking machine needing to weaken noise.Sealing circle 2 is arranged between the cup 13 of cooking machine and nose assembly, and is sheathed on nose assembly.Sealing ring 2 has first end face 201 axially relative with described nose assembly and second end face 202, first end face 201 axially relative with described cup 13 is fitted with nose assembly, and the second end face 202 is fitted with the end face of cup 13.As shown in Figure 3 and Figure 4, the first end face 201 is provided with at least one silencer mechanism along the distribution of sealing ring 2 circumference and the air intake structure being communicated with cup 13 inside.Silencer mechanism has at least one silencing cavity 21, is communicated with the inlet channel 22 of silencing cavity 21 and admission gear, is communicated with the exhaust passage 23 of silencing cavity 21 and cup outside.This inlet channel 22 is for leading to the gas in cup in silencing cavity 21, and be expelled to cup 13 through exhaust passage 23 outside.In the present embodiment, the circumference that multiple silencer mechanism is preferably along sealing ring 2 is uniformly distributed.
Please refer to Fig. 3 to Fig. 5, Fig. 3 to Fig. 5 shows the concrete structure in the utility model sealing ring first embodiment.This silencing cavity 21 has the diapire 213, relative with diapire 213 and offer the roof 211 of exhaust passage 23 and connect the sidewall 212 of diapire 213 and roof 211 offering inlet channel 22, and the air-flow entered from inlet channel 22 produces vortex along roof 211, sidewall 212 and diapire 213.By the improvement of silencing cavity structure, make sound form vortex in silencing cavity, to reduce the speed of sound, and clear up the energy of sound, the volume of the sound of discharging through exhaust passage like this greatly reduces.
In the present embodiment, the roof 211 of silencing cavity 21 has the reflecting segment relative with the jet direction of inlet channel, reflecting segment is obliquely installed, and the distance between reflecting segment and diapire 213 reduces on the direction of inlet channel 22 gradually from sidewall 212, so, the sound reflection propagated from inlet channel 22 to the periphery of silencing cavity 21, to form vortex in silencing cavity, thus is cleared up the energy of sound by the reflecting segment of this inclination.Roof 211 entirety can in the linearity tilted, and the distance namely between roof 211 and diapire 213 can reduce towards the direction of inlet channel 22 from sidewall 212 always gradually; Roof 211 entirety can be isosceles triangle shape, and the distance namely between roof 211 and diapire 213 also first can increase gradually towards the direction of inlet channel 22 from sidewall 212 and reduce gradually; Roof 211 entirety can also be isosceles trapezoid shape, and the distance namely between roof 211 and diapire 213 can also first increase towards the direction of inlet channel 22 gradually from sidewall 212, then constant, then reduces gradually.
The quantity of the silencing cavity 21 that each silencer mechanism comprises can be one, also can be multiple, and when the quantity of silencing cavity 21 is one, this silencing cavity 21 is positioned at the side of inlet channel 22 width.When the quantity of silencing cavity 21 is multiple, the quantity of silencing cavity 21 is preferably even number, namely has some to silencing cavity 21.Often pair of silencing cavity 21 is symmetricly set on the both sides of inlet channel width, somely distributes to the length direction of silencing cavity along inlet channel.The situation only having two silencing cavity 21 for silencer mechanism in the utility model is described, but is not limited thereto.In the present embodiment, two silencing cavity 21 are symmetricly set on the both sides of inlet channel 22, and inlet channel 22 and exhaust passage 23 can be arranged along the radial direction of sealing ring respectively, and are located in the radial direction same, and two silencing cavity 21 are arranged along the circumference of sealing ring.When relative to the form only arranging a silencing cavity 21, be symmetrical arranged the mode of two silencing cavity 21 in the present embodiment due to the vortex of two symmetries can be formed, and propagate in opposite directions and meet, therefore there is better interference effect, thus there is better erasure effect.In addition, two silencing cavity 21 are arranged near the inner circumferential of sealing ring 2, relative to the form arranged near the periphery of sealing ring 2, more sound can be made to reach fast in silencing cavity 21, reduce and circle round and the direct phenomenon propagated from exhaust passage 23 without silencing cavity 21.Certainly, in other embodiments, two silencing cavity 21 also can be arranged on the same side of inlet channel 22, or are located at the both sides of inlet channel 22 respectively, and setting of staggering.
Particularly, as shown in Figure 5, the silencing cavity 21 that the present embodiment provides is trapezoidal shape at right angles, comprises the diapire 213 as straight sided, roof 211 as oblique side and the sidewall 212 as long base, the short top margin of right-angled trapezium is the transition passage connecting inlet channel 22 and exhaust passage 23.Angle α is formed between two roofs 211 of two silencing cavity 21, this angle α is excessive causes sound convolution not obvious, and α is too small for this angle, causes sound to be easily deposited in silencing cavity 21, is unfavorable for the propagation of sound, therefore, in the present embodiment, the scope of this angle α is 110 degree to 130 degree.The width of inlet channel 22 is d1, the width of exhaust passage 23 is d2, if d2 is less than d1, be then unfavorable for that sound transmission is gone out, if d2 is more excessive than d1, then easily make sound not in two silencing cavity 21 in form that vortex is just direct to be spread out of from exhaust passage 23, therefore, in the present embodiment, the ratio of d2 and d1 is preferably 1.2 to 1.3, and the size range of d1 is preferably 2mm to 4mm, the diameter of cup is preferably 150mm.Distance between two silencing cavity 21, the distance namely between two side 212 is that the ratio of D, D and d1 is excessive, easily causes sound to be deposited in silencing cavity 21, if ratio is too small, namely D is in d1 approximately equal, then boomerang effect is not obvious, therefore, in the present embodiment, the ratio of D and d1 is preferably 5.5 to 6.5.One end be connected with inlet channel 22 of diapire 213, to roof 211 the one end be connected with exhaust passage 23 between distance be L, namely the beeline between diapire 213 and roof 211 is L, L is excessive cause silencing cavity 21 to arrange comparatively large, L is too small, then make sound not easily be transmitted in silencing cavity 21, easily directly spread out of from exhaust passage 23, therefore, in the present embodiment, the ratio of L and d1 is preferably 2.3 to 2.5.
As shown in Figure 4, in the present embodiment, admission gear comprises the air flap 243 of air inlet and the capping air inlet running through sealing ring vertically, this air flap 243 at least side is connected with sealing ring 2, and relatively this connection side axial wobble can be produced under gas effect in cup, be communicated with cup 13 inside to make inlet channel 22.Particularly, admission gear comprises air inlet duct, the two first air inlet gaps 241 be set up in parallel, and described in two between first air inlet gap 241, and the second air inlet gap 242 be communicated with described first air inlet gap 241, described sealing ring 2 is run through in described first air inlet gap 241 and described second air inlet gap 242 vertically, and the first air inlet gap 241 and described second air inlet gap 242 are positioned at air inlet duct, this air inlet duct is communicated with inlet channel 22, be positioned at two first air inlet gaps 241 and the second air inlet gap 242 around air inlet duct diapire formed air flap 243.This air flap 243, in Π shape, can also be butt toroidal certainly.Particularly, the second air inlet gap 242 can be the end being connected to the first air inlet gap 241, also can be the centre being connected to the first air inlet gap 241.For when cup 13 internal gas pressure is lower, reduce the discharge of gas, therefore the seam in the first air inlet gap 241 and the second air inlet gap 242 is wide is preferably between 0.1mm-0.3mm.When cup 13 internal gas pressure raises, gases at high pressure strut the first air inlet gap 241 and the second air inlet gap 242, first air inlet gap 241 and the second air inlet gap 242 are broadened, form a larger exhaust outlet, and the gases at high pressure of discharging in cup 13, meanwhile, in cup 13, noise also spreads out of from this exhaust outlet.Certainly, the air admission hole on sealing ring thickness direction is run through in admission gear.
In the present embodiment, inlet channel 22 is air inlet duct, exhaust passage 23 is for running through the air discharge duct of sealing ring 2 periphery, certainly, in other embodiments, exhaust passage can also comprise air discharge duct and exhaust port, described air discharge duct is arranged on the first end face 201 of described sealing ring, each described air discharge duct correspondence arranges two exhaust ports, two exhaust ports lay respectively at air discharge duct periphery wall two ends circumferentially, and radially run through the periphery wall of described air discharge duct respectively, and run through described sealing ring first end face vertically, air discharge duct periphery wall between two exhaust ports forms exhaust screen.In cup 13, air accumulation is in air discharge duct, and exhaust screen is opened by towards outside under gas pressure effect, with by air discharge duct and ft connection, and for Exhaust Gas.
Please refer to Fig. 6 and Fig. 7, Fig. 6 and Fig. 7 shows the concrete structure in the utility model sealing ring second embodiment.In the present embodiment, the concrete structure of silencing cavity 21 is identical with the silencing cavity 21 in the first embodiment, but orientation is different.Concrete, inlet channel 22 and exhaust passage 23 are arranged along the circumference of described sealing ring, are preferably positioned in same circumferential direction, and two silencing cavity 21 are arranged along the radial direction of sealing ring 2.
Inlet channel 22 comprises the first inlet channel 221 and the second inlet channel 222 be interconnected, described first inlet channel 221 is arranged along the radial direction of described sealing ring 2, first inlet channel 221 is connected with air inlet duct near one end of sealing ring 2 inner circumferential, described second inlet channel 222 is arranged along the circumference of described sealing ring 2, one end is communicated with one end of close sealing ring 2 periphery of the first inlet channel 221, and one end is connected with the diapire 213 of silencing cavity 21 in addition.That is, the first inlet channel 221 is mutually vertical with the second inlet channel 222, and both junctions form a kink.Certainly, in other embodiments, the first inlet channel 221 also can be arranged with the radial skew certain angle of sealing ring 2, and in an angle between the first inlet channel 221 and the second inlet channel 222, this angle is 0 degree to 180 degree.
Exhaust passage 23 comprises the first exhaust passage 231 and the second exhaust passage 232 be interconnected, described first exhaust passage 231 is arranged along the radial direction of described sealing ring 2, and run through the periphery of sealing ring 2, described second exhaust passage 232 is arranged along the circumference of described sealing ring 2, one end is communicated with one end near sealing ring 2 inner circumferential, the first exhaust passage 231, and one end is connected with the roof 211 of silencing cavity 21 in addition.That is, the first exhaust passage 231 is mutually vertical with the second exhaust passage 232, and both junctions form a kink.Certainly, in other embodiments, the first exhaust passage 231 also can be arranged with the radial skew certain angle of sealing ring 2, and in an angle between the first exhaust passage 231 and the second exhaust passage 232, this angle is greater than 0 degree and is less than 180 degree.
In the present embodiment, owing to being all formed with kink in inlet channel 22 and exhaust passage 23, this kink can change the direction of propagation of sound, and the spread speed of sound is reduced, and is therefore conducive to the energy reducing sound.In other embodiments, two silencing cavity 21 also can form an angle with the radial direction of sealing ring 2 and arrange, and inlet channel 22 is not limited to this with the structure of exhaust passage 23, can also be through and repeatedly be bent to form.In addition, admission gear is arranged in the first inlet channel 22 and runs through the air admission hole of sealing ring 2 axis.
Please refer to Fig. 8, Fig. 8 shows the concrete structure in the utility model sealing ring the 3rd embodiment, and the present embodiment is silencing cavity 21 from the different of the first embodiment.In the present embodiment, the roof 211 of silencing cavity 21 has the reflecting segment relative with the jet direction of described inlet channel 22, described reflecting segment caves in into arc-shaped towards the direction away from diapire 213, and the distance between reflecting segment and diapire 213 reduces on the direction of inlet channel 22 gradually from sidewall 212.The roof 211 of this arc-shaped is relative to the roof 211 be obliquely installed, easier by the sound guidance propagated from inlet channel 22 to the periphery reflexed in silencing cavity 21, make the propagation of sound more smooth and easy, be conducive in silencing cavity 21, forming vortex, to clear up the energy of sound.Roof 211 entirety can be quadrant arcuation, and the distance namely between described roof 211 and described diapire 213 is reducing on the direction of described inlet channel from described sidewall 212 always gradually.Roof 211 entirety also can be 1/2nd arc-shapeds, and the distance namely between described roof 211 and described diapire 213 first increases gradually from described sidewall 212 and reduces gradually on the direction of described inlet channel.Roof 211 entirety can also comprise boot segment and be positioned at the reflecting segment of boot segment both sides, and boot segment is linearly, and reflecting segment is quadrant arcuation.
Please refer to Fig. 9, Fig. 9 shows the concrete structure in the utility model sealing ring the 4th embodiment, and the present embodiment is admission gear from the different of the first embodiment.In the present embodiment, admission gear extends to along the radial direction of described sealing ring the air inlet duct 25 running through described sealing ring inner circumferential, this air inlet duct 25 is communicated with inlet channel 22, and is positioned in the radial direction same, and the width of air inlet duct 25 preferably equals the width of inlet channel 22.This air inlet duct 25 can play the object of being discharged by gas in cup 13 equally.Now, sealing ring 2 is set on nose assembly, has gap between the inner circumferential of sealing ring 2 and nose assembly, and gas enters in air inlet duct 25 from this gap.The modes such as sealing circle 2 employing is spirally connected and nose assembly are fixed.
Please refer to Figure 10, Figure 10 shows the concrete structure in the utility model sealing ring the 5th embodiment, the different inlet channels 22 being silencer mechanism of the present embodiment and the first embodiment.Inlet channel 22 comprises the many strips inlet channel be set up in parallel, in the present embodiment, inlet channel 22 comprises the first sub-inlet channel 223 of being set up in parallel and the sub-inlet channel 223 of the second sub-inlet channel 224, first is communicated with admission gear respectively with the second sub-inlet channel 224.By inlet channel 22 being separated into the mode of many strips inlet channel, can shunt sound, thus be conducive to the frequency changing sound.In other embodiments, the length of different sub-inlet channel is different, so, can ensure that the frequency of the sound that different sub-inlet channel is propagated out is all different, thus more be conducive to interfering phenomenon, to weaken acoustic energy.
Please refer to Figure 12, further, the second end face 202 of sealing ring 2 is provided with several periphery wall of the first positioning boss 261, first positioning boss 261 circumferentially distributed and contact internal walls of cup 13.Particularly, the first positioning boss 261 arranges multiple, and as four, multiple first positioning boss 261 is uniformly distributed on the second end face 202.Arranging of first positioning boss 261 limits the movement in the radial direction of cup 13 at sealing ring 2, is conducive to location.Certainly, the circumference that several first positioning boss 261 also can be along sealing ring 2 is connected in turn and forms bulge loop.
Further, second end face 202 of sealing ring 2 is provided with several the second positioning boss 262 circumferentially distributed, second positioning boss 262 is positioned at the inner side of the first positioning boss 261, and with the first positioning boss 261 diametrically, when the first positioning boss 261 is extruded, second positioning boss 262 and the first positioning boss 261 are supported, to limit the radial displacement of the first positioning boss 261.Particularly, sealing ring 2 has the through hole be sheathed on nose assembly, second end face 202 is provided with the annular bead 263 that the periphery along through hole is laid, annular bead 263 is for extending the length of through hole hole wall axial direction, increase the contact area of nose assembly and through hole hole wall, thus be more conducive to installing.Second positioning boss 262 is arranged on the perisporium of annular bead 263, and extends to the direction at the center away from annular bead 263.During installation, because the inwall of cup 13 can cause radial compression to the first positioning boss 261, therefore in the position of contiguous first positioning boss 261, second positioning boss 262 is set to support when moderate finite deformation occurs the first positioning boss 261, prevents the first positioning boss 2611 from bending excessive.
The utility model also proposes a kind of cooking machine, please refer again to Fig. 1 and Fig. 2, the nose assembly that this cooking machine comprises cup 13 and is fastened on cup 13, is provided with sealing ring 2 as above between cup 13 and nose assembly.The concrete structure of sealing ring 2 please refer to above-described embodiment, and because this cooking machine have employed whole technical schemes of above-mentioned all embodiments, all beneficial effects that the technical scheme therefore at least with above-described embodiment is brought, this is no longer going to repeat them.Wherein, this cooking machine can be specifically cooking machine, juice extractor etc., and the present embodiment is only described for soy bean milk making machine, but is not limited thereto.
The nose assembly of above-mentioned soy bean milk making machine comprises the lid 11 be positioned at outside cup 13, and is arranged on electric machine casing 12 that is on lid 11 1 end face and that be contained in cup 13.Be provided with motor in electric machine casing 12, this motor is connected with a rotating shaft 14, and this rotating shaft 14 protrudes out one end that electric machine casing 12 deviates from lid 11, and one end rotating shaft 14 protruding out electric machine casing 12 is provided with crushed piece 15.When nose assembly covers on cup 13, the rotating shaft 14 protruding out electric machine casing 12 is positioned at cup 13.After this motor powers on, rotating shaft 14 can be driven to rotate, and then drive the food in crushed piece 15 pairs of cups 13 to pulverize.
Sealing circle 2 is sheathed on electric machine casing 12, there is first end face 201 axially relative with nose assembly and second end face 202 axially relative with cup 13, first end face 201 is fitted with the junction of cup 13 and electric machine casing 12, and the second end face 202 is fitted with the end face of cup 13.Preferably, in the present embodiment, sealing ring 2 and electric machine casing 12 adopt interference fit.By adopting the mode of interference fit, sealing ring 2 being clamped on electric machine casing 12, preventing landing, and this mounting means being directly socketed clamping is simpler.The thickness of sealing ring is preferably between 1mm to 3mm, and hardness number is preferably Rockwell 40 degree to 60 degree.
Please refer to Figure 11, when soy bean milk making machine internal gas pressure increases, gases at high pressure strut the first air inlet gap 241 and the second air inlet gap 242 is discharged, and now sound also follows gas discharge.Sound is shunted in the junction of inlet channel 22 with silencing cavity 21, forms three parts, wherein a part of sound, and namely center sound directly reaches cup 13 outside from exhaust passage 23, and two parts sound, i.e. edge tone in addition, is transmitted in two silencing cavity 21 respectively.Because the roof 211 of silencing cavity 21 is obliquely installed, therefore edge sound has guiding function, edge tone is propagated along the incline direction of roof 211 towards sidewall 212 direction, and along sidewall 212 towards the convolution of diapire 213 direction, in silencing cavity 21, so form vortex, now, the spread speed of sound declines greatly, and the frequency of sound and amplitude are also constantly changed, the sound of different frequency and amplitude is mutually interfered in silencing cavity 21, and the energy of sound is weakened greatly.Final edge tone is transmitted to along diapire 213 to be converged with center sound.Because the direction of propagation of the direction of propagation Shi Yu center sound of edge tone when converging with center sound is vertical, or tilt towards inlet channel 22 direction, therefore edge tone centering heartfelt wishes sound has squeezing action.When the edge tone direction of propagation is vertical with center direction of sound propagation, two edges sound is extruding center sound simultaneously, and also mutually extrude between the sound of two edges, and mutually interfere, and the speed of the sound after finally converging is declined, and energy is weakened.When the edge tone direction of propagation tilts towards the rightabout of center direction of sound propagation, two edges sound, simultaneously towards inlet channel 22 direction extruding center sound, makes the spread speed of center sound decline, and the speed of sound after converging declines greatly.This soy bean milk making machine makes sound form the noise reduction principle of vortex by utilizing sealing ring silencing cavity 21, and make the speed of the sound reached outside cup lower, energy is also consumed greatly, so reaches noise reduction object.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every under inventive concept of the present utility model; utilize the equivalent structure transformation that the utility model description and accompanying drawing content are done, or directly/be indirectly used in other relevant technical fields to include in scope of patent protection of the present utility model.
Claims (11)
1. a sealing ring, be arranged between the cup of cooking machine and nose assembly, there is first end face axially relative with described nose assembly and second end face axially relative with described cup, it is characterized in that, described first end face is provided with at least one silencer mechanism along the distribution of described sealing ring circumference and the air intake structure being communicated with described cup inside;
Described silencer mechanism has at least one silencing cavity, be communicated with the inlet channel of described silencing cavity and described admission gear, be communicated with the exhaust passage of described silencing cavity and described cup outside, described silencing cavity has the diapire, relative with described diapire and offer the roof of described exhaust passage and connect the sidewall of described diapire and described roof offering described inlet channel, and the air-flow entered from described inlet channel produces vortex along roof, sidewall and diapire.
2. sealing ring according to claim 1, it is characterized in that, the roof of described silencing cavity has the reflecting segment relative with the jet direction of described inlet channel, described reflecting segment is obliquely installed, and the distance between described reflecting segment and described diapire reduces on the direction of described inlet channel gradually from described sidewall.
3. sealing ring according to claim 1, it is characterized in that, the roof of described silencing cavity has the reflecting segment relative with the jet direction of described inlet channel, described reflecting segment caves in into arc-shaped towards the direction away from described diapire, and the distance between described roof and described diapire reduces on the direction of described inlet channel gradually from described sidewall.
4. the sealing ring according to claims 1 to 3 any one, is characterized in that, described silencer mechanism comprises at least one pair of silencing cavity, and described often pair of silencing cavity is symmetricly set on the both sides of described inlet channel.
5. sealing ring according to claim 4, is characterized in that, described inlet channel and described exhaust passage are arranged along the radial direction of described sealing ring, and the often pair of described silencing cavity is arranged along the circumference of described sealing ring.
6. sealing ring according to claim 4, is characterized in that, described inlet channel and described exhaust passage are arranged along the circumference of described sealing ring, and the often pair of described silencing cavity is arranged along the radial direction of described sealing ring.
7. sealing ring according to claim 1, it is characterized in that, described silencer mechanism has two silencing cavity, two described silencing cavity are symmetricly set on the both sides of described inlet channel, the roof of described silencing cavity is obliquely installed, and the distance between described roof and described diapire reduces on the direction of described inlet channel gradually from described sidewall; Form angle between the roof of two described silencing cavity, the scope of described angle is 110 degree to 130 degree.
8. sealing ring according to claim 7, is characterized in that, the ratio of the width of the distance described in two between silencing cavity sidewall and described inlet channel is 5.5 to 6.5.
9. sealing ring according to claim 7, is characterized in that, one end be connected with described inlet channel of described diapire, to described roof the one end be connected with described exhaust passage between distance, be 2.3 to 2.5 with the ratio of the width of described inlet channel.
10. sealing ring according to claim 7, is characterized in that, the ratio of the width of described exhaust passage and the width of described inlet channel is 1.2 to 1.3.
11. 1 kinds of cooking machines, comprise cup and be fastened on the nose assembly on described cup, it is characterized in that, the sealing ring as described in claim 1 to 10 any one is provided with between described cup and nose assembly, described sealing ring is sheathed on described nose assembly, described sealing ring has first end face axially relative with described nose assembly and second end face axially relative with described cup, and described first end face and described nose assembly are fitted, and the end face of described second end face and described cup is fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917453.0U CN205197848U (en) | 2015-11-16 | 2015-11-16 | Sealing washer and cooking machine |
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| CN201520917453.0U CN205197848U (en) | 2015-11-16 | 2015-11-16 | Sealing washer and cooking machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105747924A (en) * | 2016-05-10 | 2016-07-13 | 广东美的生活电器制造有限公司 | Machine head assembly, silicone ring and food processor |
| CN110319009A (en) * | 2018-03-30 | 2019-10-11 | 三菱电机(广州)压缩机有限公司 | A kind of rotor-type compressor and its for oil seal structure |
| CN111973011A (en) * | 2019-05-24 | 2020-11-24 | 九阳股份有限公司 | Food preparation machine capable of reducing noise |
| CN113243782A (en) * | 2020-03-26 | 2021-08-13 | 九阳股份有限公司 | Food preparation machine with good noise reduction effect |
-
2015
- 2015-11-16 CN CN201520917453.0U patent/CN205197848U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105747924A (en) * | 2016-05-10 | 2016-07-13 | 广东美的生活电器制造有限公司 | Machine head assembly, silicone ring and food processor |
| CN105747924B (en) * | 2016-05-10 | 2018-06-05 | 广东美的生活电器制造有限公司 | Nose assembly, silica gel ring and cooking machine |
| CN110319009A (en) * | 2018-03-30 | 2019-10-11 | 三菱电机(广州)压缩机有限公司 | A kind of rotor-type compressor and its for oil seal structure |
| CN110319009B (en) * | 2018-03-30 | 2024-02-06 | 三菱电机(广州)压缩机有限公司 | Rotor type compressor and oil supply sealing structure thereof |
| CN111973011A (en) * | 2019-05-24 | 2020-11-24 | 九阳股份有限公司 | Food preparation machine capable of reducing noise |
| CN113243782A (en) * | 2020-03-26 | 2021-08-13 | 九阳股份有限公司 | Food preparation machine with good noise reduction effect |
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