CN208658688U - Material cleaning device and cooking apparatus - Google Patents

Abstract

The utility model provides a kind of material cleaning device and cooking apparatus, and material cleaning device includes: plunger, plunger bushing, feeding-passage and intake tunnel, and plunger has cleaning chamber, and cleaning chamber is equipped with feed inlet and water inlet；Plunger bushing is set in the outside of plunger, and relative motion can occur with plunger；Feeding-passage can be connected when plunger is in the first predeterminated position with feed inlet；Intake tunnel can be connected when plunger is in the second predeterminated position with water inlet.The material cleaning device, its fill process and water inlet process are separately carried out in different operating positions, feed inlet and feeding-passage are not normal open states, water inlet and intake tunnel are also not normal open state, this avoid feeding-passage and intake tunnels to be connected simultaneously with cleaning chamber, so that water flow enters the case where feeding-passage causes pipeline to pollute during both avoiding into water, also avoids material in fill process and enter the case where intake tunnel leads to line clogging generation.

Description

Material cleaning device and cooking apparatus

Technical field

The utility model relates to kitchen appliance technical fields, in particular to a kind of material cleaning device and include this The cooking apparatus of material cleaning device.

Background technique

Currently, some is equipped with cleaning chamber and carries out automatic rice-washing, clearly for intelligentized cooking apparatus such as auto-electric cooker using pottery It washes cavity to be connected with into mitron and water inlet pipe, realize automatically into rice and automatic feeding water.But into mitron and water inlet pipe and cleaning Cavity is fixedly linked in normal open state, carries out in same position into rice and water inlet, causing water flow that may be splashed into mitron causes It is polluted into mitron road, the grain of rice, which may also be splashed into water inlet pipe, leads to line clogging.

Utility model content

At least one in order to solve the above-mentioned technical problem, one of the utility model is designed to provide a kind of material cleaning Device.

Another of the utility model is designed to provide a kind of cooking apparatus including above-mentioned material cleaning device.

To achieve the goals above, the technical solution of the utility model first aspect provides a kind of material cleaning device, For cooking apparatus, comprising: plunger has cleaning chamber, and the cleaning chamber is equipped with feed inlet and water inlet；Plunger bushing, set It is located at the outside of the plunger, and relative motion can occur with the plunger；It is pre- to be in first in the plunger for feeding-passage If can be connected with the feed inlet when position, to convey material to the cleaning chamber；Intake tunnel, at the plunger It can be connected with the water inlet when the second predeterminated position, to convey water to the cleaning chamber.

The material cleaning device that the technical solution of the utility model first aspect provides, plunger have cleaning chamber, use In accommodating material and water to realize and wash material automatically, cleaning chamber is equipped with feed inlet and water inlet, is respectively used to feed and intake；Column Plug sleeve is set in the outside of plunger, and relative motion can occur with plunger, so that plunger is at different operating positions The different courses of work such as fed, intake, washing material, blowdown, blanking；And feeding-passage is in the first predeterminated position in plunger When can be connected with feed inlet, ensure that feeding-passage can convey material to cleaning chamber, intake tunnel be in plunger It can be connected with water inlet when the second predeterminated position, ensure that intake tunnel can convey water to cleaning chamber, therefore, charging Process and water inlet process are separately carried out in different operating positions, and feed inlet and feeding-passage are not normal open states, water inlet with Intake tunnel is also not normal open state, and this avoid feeding-passages and intake tunnel to be connected simultaneously with cleaning chamber, thus Both water flow enters the case where feeding-passage causes pipeline to pollute during avoiding into water, also avoids object in fill process Material enters the case where intake tunnel leads to line clogging generation.

In addition, the material cleaning device in above-mentioned technical proposal provided by the utility model can also have additional skill as follows Art feature:

In the above-mentioned technical solutions, the bottom of the cleaning chamber be equipped with discharge port, the plunger bushing be equipped with it is described The compatible discharge port of discharge port, and the discharge port is in first predeterminated position and described second default in the plunger It is staggered when position with the discharge port, is connected when the plunger is in third predeterminated position with the discharge port.

The bottom of cleaning chamber is equipped with discharge port, is discharged under gravity convenient for material, and plunger bushing is equipped with discharging Mouthful, when plunger is in third predeterminated position, discharge port is connected with discharge port, ensure that material in cleaning chamber can be according to It is secondary to be drawn off across discharge port and discharge port；And when plunger is in the first predeterminated position and the second predeterminated position, discharge port with go out Material mouth is staggered, and ensure that the closure of cleaning chamber, and then ensure that cleaning chamber can normally accommodate material and water.

In the above-mentioned technical solutions, first predeterminated position, second predeterminated position and the third predeterminated position It is sequentially arranged in the movement travel of the plunger.

First predeterminated position, the second predeterminated position and third predeterminated position are sequentially arranged in the movement travel of plunger, it may be assumed that column Plug successively passes through the first predeterminated position, the second predeterminated position and third predeterminated position during the movement of opposite plunger bushing, and Fill process, water inlet process and blanking process are successively carried out, first charging water inlet, blanking again after cleaning, sequence are arranged in this way It is relatively reasonable.But said sequence is only the positional relationship of three predeterminated positions, being not intended to limit plunger must during washing material The first predeterminated position, the second predeterminated position and third predeterminated position must successively be passed through.Such as: during washing material, plunger can be with It is repeatedly round-trip between the first predeterminated position and the second predeterminated position, namely charging and/or water inlet process is performed a plurality of times, it completes After the cleaning of quantitative material, finally it is moved to third predeterminated position and disposably completes blanking process.

And the process of material and the process of blowdown are cleaned preferably also in the realization of the second predeterminated position, plunger can be shortened in this way Movement travel, and then reduce material cleaning device volume；Certainly, cleaning process and blowdown process can also be default first Position or other operating positions are realized.

In any of the above-described technical solution, the material cleaning device further include: driving assembly, with the plunger or described Plunger bushing is connected, and for driving one in the plunger and the plunger bushing another opposite movement, makes the plunger and institute It states plunger bushing and relative motion occurs.

The setting of driving assembly, realizes the automatic movement of plunger or plunger bushing, to improve the automation journey of product Degree, improves the class of product.Specifically, driving assembly can be connected with plunger, by drive plunger motion, realize plunger with Relative motion between plunger bushing；Can also be connected with plunger bushing, by driving plunger bushing movement, realize plunger and plunger bushing it Between relative motion.

In the above-mentioned technical solutions, the driving component includes: actuator；And lead screw, the head of the lead screw with it is described The output shaft of actuator is connected, and the plunger is equipped with silk braid, is equipped with the internal screw thread matched with the lead screw in the silk braid, The tail portion of the lead screw is inserted into the silk braid, and with the silk braid threaded engagement, to drive the plunger linearly past Multiple movement.

Driving assembly includes actuator (such as synchronous motor) and lead screw, and actuator provides power resources, and lead screw is as transmission Mechanism converts the rotary motion of actuator to the linear motion of plunger, realizes switching of the plunger between different operating position. Specifically, the output shaft of actuator is fixedly connected with the head of lead screw, drives lead screw rotation, the silk braid screw thread on lead screw and plunger It screws, silk braid is driven to relatively rotate, since silk braid is connected with plunger, and plunger limit cannot revolve in plunger bushing Turn, so can only linearly move.

It is not particularly limited as the mode of plunger bushing limitation plunger rotation, such as: the cross section of plunger and plunger bushing is It is non-circular, such as cooperation of prismatic plunger and prismatic plunger bushing；Or the cooperation of cylindrical plunger and cylindrical pillars plug sleeve, but It is that anti-rotation structure is equipped between plunger and plunger bushing (as being equipped with the limit rib extended along its axial direction and limit therebetween Slot, limit rib are inserted into limiting slot, prevent the two from rotating).

Certainly, transmission mechanism is not limited to the matching model of lead screw and silk braid, for example is also possible to matching for rack-and-pinion It closes, the conversion being equally able to achieve between rotary motion and linear motion equally can be realized the purpose of this utility model, thus It is within the protection scope of the present utility model.

In the above-mentioned technical solutions, the driving component further include: fixed lid is fixedly connected with the actuator, described Fixation is covered equipped with fixing groove, and offers the connecting hole being connected with the fixing groove, and the head of the lead screw is limited in institute It states in fixing groove, the head that the output shaft passes through the connecting hole and the lead screw is fixedly linked；And/or the actuator Outside the plunger bushing, mounting hole is offered on the plunger bushing, the head of the lead screw is against the outer wall of the plunger bushing On, the tail portion of the lead screw passes through the mounting hole and is inserted into the plunger bushing.

Driving assembly further includes fixed lid, and fixed lid is fixedly connected with actuator, and the head of lead screw is fixed on fixation and covers Fixing groove in, guarantee lead screw rotary course in stability and reliability；The output shaft of actuator passes through the fixed company covered The head for connecing hole and lead screw is fixedly linked, and driving lead screw stablizes rotation.

Actuator is located at outside plunger bushing, can reduce the volume of plunger bushing, and then reduce the size of material cleaning device, into And the installation space of material cleaning device is reduced, convenient for assembly；Mounting hole is offered on plunger bushing, the head of lead screw is against plunger On the outer wall of set, it ensure that lead screw cannot be axially moved；The tail portion of lead screw passes through in mounting hole insertion plunger bushing, Jin Erbao The reliable fit between lead screw and silk braid is demonstrate,proved；And make the length in lead screw insertion plunger bushing longer, guarantee lead screw outside wall surface On screw thread can be fully used, this be also beneficial to reduce plunger bushing volume, and then further decrease material cleaning dress The size set further reduces the installation space of material cleaning device, convenient for assembly.

In any of the above-described technical solution, the material cleaning device further include: inlet channel, input terminal can connect To gas source, output end is connected with the cleaning chamber, for blowing into the cleaning chamber, makes in the cleaning chamber Material and water occur relative motion, to clean the material.

Material cleaning device further includes inlet channel, and the input terminal of inlet channel can be connected to gas source (such as air pump), Output end is connected with cleaning chamber, it is thus possible to blow into cleaning chamber, promote the material in cleaning chamber using air-flow The relative motions such as rolling, friction occur with water, and then realize the cleaning to material, that is, realize the Pneumatic cleaning of material；And gas For the scheme that dynamic cleaning is cleaned compared to mechanical stirring, structure is simpler, and more clean hygiene.

In the above-mentioned technical solutions, the inlet channel is connected by multiple air inlets with the bottom of the cleaning chamber It is logical.

Inlet channel is connected by multiple air inlets with the bottom of cleaning chamber, then the gas of inlet channel output is divided into Multiply air-flow is entered by the bottom of cleaning chamber, and per share air-flow all has relatively high pressure, entered by cleaning chamber bottom And strong impact water flow can be generated when upward ascension, material and water is mixed adequately, to significantly improve Cleaning efficiency.

In the above-mentioned technical solutions, multiple air inlet settings are in institute on the plunger bushing, and in the plunger It is connected when stating the second predeterminated position with the discharge port of the cleaning chamber bottom.

It is used for discharge since the bottom of cleaning chamber is equipped with discharge port, if cleaning chamber directly is arranged in air inlet Bottom will lead to the reduction of discharging open area, and the quantity of air inlet can be fewer, therefore multiple air inlets are arranged in plunger bushing On, it both will not influence the structure of discharge port, and guaranteed that discharge port has relatively large area to improve blanking efficiency, can also increase The quantity for adding stomata is adapted the quantity of air inlet and distribution with the bottom section of cleaning chamber, clear to improve as far as possible Wash efficiency；And multiple air inlets are connected when plunger is in the second predeterminated position with the discharge port of cleaning chamber bottom, that is, protect The connection of air inlet and cleaning chamber has been demonstrate,proved, and cleaning process is also carried out in the second predeterminated position, that is, same after intaking Position carries out cleaning process, shortens the movement travel of plunger in this way, is conducive to the volume for reducing material cleaning device.

In the above-mentioned technical solutions, multiple air inlets are in array-like or radial distribution.

In the above-mentioned technical solutions, the distribution area of multiple air inlets is adapted with the bore of discharge port.

Multiple air inlets are in array-like or radial distribution, and structure is more regular, molding easy to process, and is conducive to multiply Air-flow relatively evenly enters in cleaning chamber, to improve cleaning efficiency.

Further, the distribution area of multiple air inlets is adapted with the bore of discharge port, ensure that multiply air-flow can It comprehensively covers the bottom of entire cleaning chamber relatively, and comparatively evenly into cleaning chamber, and then ensure that clear The material for washing each position of cavity can get effective washing.

In the above-mentioned technical solutions, the plunger bushing is equipped with downward opening avoiding hollow groove, opens on the roof of the avoiding hollow groove Equipped with multiple air inlets, the output end of the inlet channel is connected with the avoiding hollow groove；It is set below the avoiding hollow groove There is sealing cover, the sealing cover is connected with the plunger bushing, and covers the open end of the avoiding hollow groove.

Plunger bushing offers downward opening avoiding hollow groove, and above-mentioned air inlet, inlet channel are offered on the roof of avoiding hollow groove Output end be connected with avoiding hollow groove, so that between inlet channel and multiple air inlets have a relatively large buffering Space can reduce gas-flow resistance, to improve intake efficiency；Meanwhile the lower section of avoiding hollow groove is equipped with sealing cover, sealing cover and column Plug sleeve is connected, and covers the open end of avoiding hollow groove, ensure that the air-flow of inlet channel output can only be upwardly into cleaning chamber, And other positions cannot be flowed to, the utilization rate of air-flow has both been improved, air-flow has been in turn avoided and other structures is impacted.

In the above-mentioned technical solutions, the plunger bushing is equipped with seal groove, and sealing ring is equipped in the seal groove, described close The edge of capping is inserted into the seal groove, and is interference fitted with the sealing ring, and the inlet channel runs through the sealing cover It is connected with the avoiding hollow groove.

Plunger bushing is equipped with seal groove, is equipped with sealing ring in seal groove, in the edge insertion seal groove of sealing cover, and with it is close Seal interference fit, realizes the sealed connection between sealing cover and plunger bushing, and inlet channel then run through sealing cover realize with The connection of avoiding hollow groove, this avoid air-flows to be leaked by the gap between sealing cover and plunger bushing, to further increase The utilization rate of air-flow, further improves the use reliability of product.

In the above-mentioned technical solutions, the inlet channel is connected through the side wall of the sealing cover with the avoiding hollow groove.

Inlet channel is connected through the side wall of sealing cover with avoiding hollow groove, advantageously reduces the longitudinal high of material cleaning device Degree, keeps product more stable.

In the above-mentioned technical solutions, the sealing cover is an integral structure with the inlet channel.

Sealing cover is an integral structure with inlet channel, on the one hand improves the bonding strength of sealing cover and inlet channel, And then improve the use reliability of product；On the other hand, sealing cover and inlet channel can pass through the modes such as injection molding one It is body formed, to improve the production efficiency of product, reduce the production cost of product.

In the above-mentioned technical solutions, maximum water level is equipped in the cleaning chamber, the inlet channel is at least partly high In the maximum water level.

Maximum water level is equipped in cleaning chamber, inlet channel is at least partly higher than maximum water level, can be avoided in this way The case where water in cleaning chamber is flowed backward by inlet channel into gas source generation guarantees gas to play a protective role to gas source The normal operation in source.

In the above-mentioned technical solutions, relative motion, the air inlet occur in the horizontal direction for the plunger and the plunger bushing Channel includes that the first pipeline section being connected with the cleaning chamber and both ends are connected with first pipeline section and the gas source respectively The second logical pipeline section；Wherein, first pipeline section is horizontally extending, and second pipeline section extends along the vertical direction, and portion Divide and is higher than the maximum water level.

Relative motion occurs in the horizontal direction for plunger and plunger bushing, and inlet channel includes the first pipeline section and the second pipeline section, the One pipeline section is connected with cleaning chamber, and the second pipeline section is connected with the first pipeline section and gas source, and the first pipeline section is horizontally extending, Second pipeline section extends along the vertical direction, it may be assumed that and the first pipeline section and the second pipeline section are mutually perpendicular to, and the first pipeline section is located at below plunger bushing, Second pipeline section upwardly extends, and so that its part is higher than maximum water level, to prevent flow backwards gas source, the structure of such inlet channel More regular, both moldings easy to process are also convenient for assembling.

In the above-mentioned technical solutions, the material cleaning device further include: drainage channel, by multiple air inlets with The cleaning chamber is connected, the dirt for being discharged in the cleaning chamber.

Material cleaning device further includes drainage channel, and drainage channel is connected also by above-mentioned air inlet with cleaning chamber, Then air inlet is both used for air inlet, is also used for draining, thus improves the integrated level of material cleaning device, simplifies product structure； And drainage procedure is also carried out in the second predeterminated position, it may be assumed that water inlet process, cleaning process and blowdown process are all in the second predeterminated position It carries out, this further shortens the movement travel of plunger, further reduces the volume of material cleaning device.

Specifically, drainage channel is equipped with the switch such as water pump or solenoid valve, process of intaking and cleaning process (intake process), It closes drainage channel and guarantees the leakproofness of cleaning chamber to prevent water stream and air-flow from being flowed out by drainage channel；And in drainage procedure In, then drainage channel is opened, dirt is discharged.

In any of the above-described technical solution, the plunger bushing is equipped with venthole, and the venthole is in the plunger It is connected when second predeterminated position with the cleaning chamber.

In the above-mentioned technical solutions, the top of the plunger is equipped with gas vent, and the gas vent is in institute in the plunger It is connected when stating the second predeterminated position with the venthole.

Plunger bushing is equipped with venthole, and venthole is connected when plunger is in the second predeterminated position with cleaning chamber, energy Enough make to balance into water Cleaning Process cavity and atmospheric gas pressure, so that it is unobstructed to guarantee to intake；Further, for cleaning process (i.e. intake process) and/or blowdown process also for the technical solution that the second predeterminated position carries out, equally realize cleaning chamber The balance of body and atmospheric gas pressure, thus also ensure intake process unobstructed and blowdown process it is unobstructed.

Specifically, the top of plunger be equipped with gas vent, gas vent when plunger is in the second predeterminated position with venthole phase Connection, and then realize the connection of venthole and cleaning chamber；And it is overlapped and is connected to realize ventilation with venthole by gas vent The mode of communicating in hole and cleaning chamber, can be avoided and be open on a large scale at the top of cleaning chamber, to improve cleaning chamber Leakproofness.

In any of the above-described technical solution, the material cleaning device further include: fixed bracket, the plunger bushing are mounted on On the fixed bracket, further, sealing cover is also mounted on fixed bracket.

The technical solution of the utility model second aspect provides a kind of cooking apparatus, comprising: culinary art main body has culinary art Chamber；With the material cleaning device as described in any one of first aspect technical solution, it is sent into its cleaning chamber for cleaning Material, and material after cleaning is sent into the cooking cavity.

The cooking apparatus that the technical solution of the utility model second aspect provides, because including appointing in first aspect technical solution Material cleaning device described in one, thus there are all beneficial effects possessed by any of the above-described technical solution, herein no longer It repeats.

In the above-mentioned technical solutions, the culinary art main body includes: pot body and lid, the lid and the pot body lid close with It encloses and sets out the cooking cavity；Wherein, the material cleaning device is arranged on the lid.

Material cleaning device is arranged on lid, is connected to when being opened convenient for the discharge port of cleaning chamber with cooking cavity, So that the material in cleaning chamber can smoothly enter into cooking cavity and be cooked, keep structure more compact and reasonable.

In any of the above-described technical solution, the cooking apparatus is electric cooker.

It is certainly not limited to electric cooker, is also possible to electric pressure cooking saucepan, electric cooking pot, electric steamer etc..

The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this The practice of type is recognized.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the decomposition texture schematic diagram of material cleaning device described in some embodiments of the utility model；

Fig. 2 is the overlooking structure diagram after the assembly of material cleaning device shown in Fig. 1；

Fig. 3 is the schematic cross-sectional view at the visual angle of structure first shown in Fig. 2；

Fig. 4 is the schematic cross-sectional view of the visual angle of structure second shown in Fig. 2 first state；

Fig. 5 is the enlarged structure schematic diagram in the portion A in Fig. 4；

Fig. 6 is the schematic cross-sectional view of the visual angle of structure third shown in Fig. 2 first state；

Fig. 7 is the schematic cross-sectional view of the second state of the visual angle of structure second shown in Fig. 2；

Fig. 8 is the enlarged structure schematic diagram in the portion B in Fig. 7；

Fig. 9 is the schematic cross-sectional view of the second state of the visual angle of structure third shown in Fig. 2；

Figure 10 is the schematic cross-sectional view of material cleaning device described in other embodiments of the utility model.

Wherein, the corresponding relationship between appended drawing reference and component names of the Fig. 1 into Figure 10 are as follows:

10 plungers, 11 discharge ports, 12 silk braids, 13 gas vents, 14 cleaning chamber, 20 plunger bushings, 21 discharge ports, 22 air inlets Hole, 23 avoiding hollow grooves, 24 ventholes, 25 corkings, 26 cock bodys, 30 feeding-passages, 31 reverse-filling baffles, 32 reset springs, 41 motors, 42 lead screws, 43 fixed lids, 50 sealing covers, 60 sealing rings, 70 inlet channels, 71 first pipeline sections, 72 second pipeline sections, 80 drainings are logical Road, 90 fixed brackets.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously It is not limited by the specific embodiments disclosed below.

Material cleaning device and culinary art according to the utility model some embodiments are described referring to Fig. 1 to Figure 10 Utensil.

As shown in Figures 1 to 10, the material cleaning device that the embodiment of the utility model first aspect provides, for cooking Utensil, comprising: plunger 10, plunger bushing 20, feeding-passage 30 and intake tunnel (not shown).

Specifically, plunger 10 has cleaning chamber 14, and cleaning chamber 14 is equipped with feed inlet and water inlet；Plunger bushing 20 is arranged In the outside of plunger 10, and relative motion can occur with plunger 10；Feeding-passage 30 is in the first predeterminated position in plunger 10 When can be connected with feed inlet, with to cleaning chamber 14 convey material；Intake tunnel is in the second predeterminated position in plunger 10 When can be connected with water inlet, with to cleaning chamber 14 convey water.

The material cleaning device that the embodiment of the utility model first aspect provides, plunger 10 have cleaning chamber 14, Wash material automatically to realize for accommodating material and water, cleaning chamber 14 is equipped with feed inlet and water inlet, be respectively used to feed and into Water；Plunger bushing 20 is set in the outside of plunger 10, and relative motion can occur with plunger 10, so that plunger 10 is at not With operating position the different courses of work such as fed, intake, washing material, blowdown, blanking；And feeding-passage 30 is in plunger 10 It can be connected with feed inlet when in the first predeterminated position, ensure that feeding-passage 30 can convey object to cleaning chamber 14 Material, intake tunnel can be connected when plunger 10 is in the second predeterminated position with water inlet, ensure that intake tunnel can be to Cleaning chamber 14 conveys water, and therefore, fill process and water inlet process are separately carried out in different operating positions, feed inlet and charging Channel 30 is not normal open state, and water inlet and intake tunnel are also not normal open state, and this avoid feeding-passages 30 and water inlet Channel is connected with cleaning chamber 14 simultaneously, so that water flow enters feeding-passage 30 and causes pipeline dirty during both avoiding into water The case where dye, occurs, and also avoids material in fill process and enters the case where intake tunnel leads to line clogging generation.

Wherein, plunger bushing 20 includes cock body 26 and corking 25, as shown in Figure 1, feeding-passage 30 is fixedly linked with corking 25, As shown in Fig. 3, Fig. 4, Fig. 6, Fig. 7, Fig. 9 and Figure 10；Further, sealing ring 60 is equipped between cock body 26 and plunger 10, such as Fig. 1 It is shown.

The specific structure and working principle of material cleaning device provided by the present application are described below with reference to some embodiments.

Embodiment one

The bottom of cleaning chamber 14 is equipped with discharge port 11, and plunger bushing 20 is equipped with discharge port compatible with discharge port 11 21, and discharge port 11 is staggered when plunger 10 is in the first predeterminated position and the second predeterminated position with discharge port 21, such as Fig. 3 and Shown in Fig. 6, be connected when plunger 10 is in third predeterminated position with discharge port 21 (not shown).

The bottom of cleaning chamber 14 is equipped with discharge port 11, is discharged convenient for material, sets under gravity on plunger bushing 20 There is discharge port 21, when plunger 10 is in third predeterminated position, discharge port 21 is connected with discharge port 11, ensure that cleaning chamber Material in 14 can sequentially pass through discharge port 11 and discharge port 21 is drawn off；And when plunger 10 is in the first predeterminated position and second When predeterminated position, discharge port 11 is staggered with discharge port 21, ensure that the closure of cleaning chamber 14, and then ensure that cleaning chamber Body 14 can normally accommodate material and water.

Preferably, the first predeterminated position, the second predeterminated position and third predeterminated position are sequentially arranged in the movement row of plunger 10 Cheng Zhong.

First predeterminated position, the second predeterminated position and third predeterminated position are sequentially arranged in the movement travel of plunger 10, it may be assumed that Plunger 10 is successively default by the first predeterminated position, the second predeterminated position and third during opposite plunger bushing 20 moves Position, and fill process, water inlet process and blanking process are successively carried out, first charging water inlet in this way, blanking again, suitable after cleaning Sequence arrangement is relatively reasonable.But said sequence is only the positional relationship of three predeterminated positions, is not intended to limit plunger 10 and is washing material The first predeterminated position, the second predeterminated position and third predeterminated position must successively be passed through in the process.Such as: during washing material, Plunger 10 can be repeatedly round-trip between the first predeterminated position and the second predeterminated position, namely charging and/or water inlet is performed a plurality of times Process is finally moved to third predeterminated position and disposably completes blanking process after the cleaning for completing quantitative material.

And the process of material and the process of blowdown are cleaned preferably also in the realization of the second predeterminated position, plunger can be shortened in this way 10 movement travel, and then reduce the volume of material cleaning device；Certainly, cleaning process and blowdown process can also be pre- first If position or other operating positions are realized.

Further, material cleaning device further include: driving assembly is connected, for driving with plunger 10 or plunger bushing 20 Another opposite movement in plunger 10 and plunger bushing 20, makes plunger 10 and plunger bushing 20 that relative motion occur.

The setting of driving assembly, realizes the automatic movement of plunger 10 or plunger bushing 20, to improve the automatic of product Change degree improves the class of product.Specifically, driving assembly can be connected with plunger 10, be moved by driving plunger 10, real Relative motion between existing plunger 10 and plunger bushing 20；It can also be connected with plunger bushing 20, be moved by driving plunger bushing 20, it is real Relative motion between existing plunger 10 and plunger bushing 20.

Specifically, driving assembly includes: actuator and lead screw 42, as shown in Figure 1, the head of lead screw 42 and actuator is defeated Shaft is connected, and plunger 10 is equipped with silk braid 12, as shown in Figure 3 and Figure 6, the interior spiral shell matched with lead screw 42 is equipped in silk braid 12 Line, in the tail portion insertion silk braid 12 of lead screw 42, and with 12 threaded engagement of silk braid, to drive the linearly reciprocal fortune of plunger 10 It is dynamic.

As shown in Fig. 2, driving assembly includes actuator (such as synchronous motor 41) and lead screw 42, actuator provides power Source, lead screw 42 are used as transmission mechanism, convert the rotary motion of actuator to the linear motion of plunger 10, realize plunger 10 not With the switching between operating position.Specifically, the output shaft of actuator is fixedly connected with the head of lead screw 42, and lead screw 42 is driven to revolve Turn, 12 threaded engagement of silk braid on lead screw 42 and plunger 10 drives silk braid 12 to relatively rotate, due to silk braid 12 and plunger 10 It is connected, and the limit of plunger 10 cannot rotate in plunger bushing 20, so can only linearly move.

The mode that plunger 10 rotates is limited as plunger bushing 20 to be not particularly limited, such as: plunger 10 and plunger bushing 20 Cross section is non-circular, such as cooperation of prismatic plunger 10 and prismatic plunger bushing 20；Or cylindrical plunger 10 and cylinder The cooperation of plunger bushing 20, but anti-rotation structure is equipped between plunger 10 and plunger bushing 20 (as being equipped with along its axial direction side therebetween To the limit rib and limiting slot of extension, limit rib is inserted into limiting slot, prevents the two from rotating).

Further, driving assembly further include: fixed lid 43, as shown in Figure 1, being fixedly connected with actuator, fixed lid 43 It is equipped with fixing groove, and offers the connecting hole being connected with fixing groove, the head of lead screw 42 limits the output shaft in fixing groove Head across connecting hole and lead screw 42 is fixedly linked, as shown in Figure 3 and Figure 6.

Driving assembly further includes fixed lid 43, and fixed lid 43 is fixedly connected with actuator, and the head of lead screw 42 is fixed on solid Determine in the fixing groove on lid 43, guarantees the stability and reliability in 42 rotary course of lead screw；The output shaft of actuator passes through solid The head for determining connecting hole and lead screw 42 on lid 43 is fixedly linked, and driving lead screw 42 stablizes rotation.

Further, actuator is located at outside plunger bushing 20, and mounting hole is offered on plunger bushing 20, and the head of lead screw 42 is against On the outer wall of plunger bushing 20, the tail portion of lead screw 42 is passed through in mounting hole insertion plunger bushing 20, as shown in Figure 3 and Figure 6.

Actuator is located at outside plunger bushing 20, can reduce the volume of plunger bushing 20, and then reduce the ruler of material cleaning device It is very little, and then the installation space of material cleaning device is reduced, convenient for assembly；Mounting hole, the head of lead screw 42 are offered on plunger bushing 20 Portion is against on the outer wall of plunger bushing 20, ensure that lead screw 42 cannot be axially moved；It is inserted across mounting hole the tail portion of lead screw 42 Enter in plunger bushing 20, and then ensure that the reliable fit between lead screw 42 and silk braid 12；And lead screw 42 is made to be inserted into plunger bushing 20 Interior length is longer, guarantees that the screw thread in 42 outside wall surface of lead screw can be fully used, this is also beneficial to reduce plunger bushing 20 Volume, and then further decrease the size of material cleaning device, further reduce the installation space of material cleaning device, be convenient for Assembly.Preferably, fixed lid 43 is also fixedly connected with plunger bushing 20, then actuator is fixed on plunger bushing 20 by fixed lid 43 On.

Further, material cleaning device further include: inlet channel 70, such as Fig. 1, Fig. 3, Fig. 4, Fig. 6, Fig. 7 and Fig. 9 institute Showing, input terminal can be connected to gas source, and output end is connected with cleaning chamber 14, for blowing into cleaning chamber 14, Make material and water in cleaning chamber 14 that relative motion occur, to clean material.

Material cleaning device further includes inlet channel 70, and the input terminal of inlet channel 70 can be connected to gas source (such as gas Pump), output end is connected with cleaning chamber 14, it is thus possible to blow into cleaning chamber 14, promote cleaning chamber using air-flow The relative motions such as rolling, friction occur for material and water in body 14, and then realize the cleaning to material, that is, realize the gas of material Dynamic cleaning；And for the scheme cleaned compared to mechanical stirring of Pneumatic cleaning, structure is simpler, and more clean hygiene.

Wherein, inlet channel 70 is connected by multiple air inlets 22 with the bottom of cleaning chamber 14, as shown in Figure 5.

Inlet channel 70 is connected by multiple air inlets 22 with the bottom of cleaning chamber 14, then inlet channel 70 exports Gas is divided into multiply air-flow and is entered by the bottom of cleaning chamber 14, and per share air-flow all has relatively high pressure, by cleaning chamber 14 bottom of body can generate strong impact water flow when entering into and up ascension, material and water is mixed adequately, To significantly improve cleaning efficiency.

Further, multiple air inlets 22 are arranged on plunger bushing 20, and when plunger 10 be in the second predeterminated position and The discharge port 11 of 14 bottom of cleaning chamber is connected, as shown in Figure 5.

It is used for discharge since the bottom of cleaning chamber 14 is equipped with discharge port 11, if directly cleaned the setting of air inlet 22 The bottom of cavity 14 will lead to the reduction of 11 area of discharge port, and the quantity of air inlet 22 can be fewer, therefore by multiple air inlets 22 are arranged on plunger bushing 20, both will not influence the structure of discharge port 11, guarantee discharge port 11 have relatively large area with Blanking efficiency is improved, the quantity of air inlet 22 can be also increased, makes the quantity of air inlet 22 and the bottom of distribution and cleaning chamber 14 Portion region is adapted, to improve cleaning efficiency as far as possible；And multiple air inlets 22 when plunger 10 is in the second predeterminated position with The discharge port 11 of 14 bottom of cleaning chamber is connected, that is, ensure that the connection of air inlet 22 Yu cleaning chamber 14, and cleaning process Also it is carried out in the second predeterminated position, that is, carries out cleaning process in same position after intaking, shorten the fortune of plunger 10 in this way Dynamic stroke is conducive to the volume for reducing material cleaning device.

Preferably, multiple air inlets 22 are in array-like or radial distribution, as shown in Figure 1.

Multiple air inlets 22 are in array-like or radial distribution, and structure is more regular, molding easy to process, and is conducive to more Stock air-flow relatively evenly enters in cleaning chamber, to improve cleaning efficiency.

Further, the distribution area of multiple air inlets 22 is adapted with the bore of discharge port 11, as shown in Figure 5.

The distribution area of multiple air inlets 22 is adapted with the bore of discharge port 11, ensure that multiply air-flow can be relatively complete It covers to face the bottom of entire cleaning chamber 14, and comparatively evenly into cleaning chamber 14, and then ensure that cleaning The material at each position of cavity 14 can get effective washing.

Further, plunger bushing 20 is equipped with downward opening avoiding hollow groove 23, offer on the roof of avoiding hollow groove 23 it is multiple into The output end of stomata 22, inlet channel 70 is connected with avoiding hollow groove 23, as shown in Figure 5；The lower section of avoiding hollow groove 23 is equipped with sealing cover 50, sealing cover 50 is connected with plunger bushing 20, and covers the open end of avoiding hollow groove 23, as shown in Figure 5.

Plunger bushing 20 offers downward opening avoiding hollow groove 23, and above-mentioned air inlet 22 is offered on the roof of avoiding hollow groove 23, The output end of inlet channel 70 is connected with avoiding hollow groove 23, so that has one between inlet channel 70 and multiple air inlets 22 A relatively large cushion space, can reduce gas-flow resistance, to improve intake efficiency；Meanwhile the lower section of avoiding hollow groove 23 is set There is sealing cover 50, sealing cover 50 is connected with plunger bushing 20, and covers the open end of avoiding hollow groove 23, ensure that inlet channel 70 exports Air-flow can only be upwardly into cleaning chamber 14, and other positions cannot be flowed to, not only improve the utilization rate of air-flow, but also avoid Air-flow impacts other structures.

Further, plunger bushing 20 is equipped with seal groove, and sealing ring 60 is equipped in seal groove, and the edge of sealing cover 50 is inserted into It in seal groove, and is interference fitted with sealing ring 60, inlet channel 70 is connected through sealing cover 50 with avoiding hollow groove 23, such as Fig. 5 institute Show.

Plunger bushing 20 is equipped with seal groove, and sealing ring 60 is equipped in seal groove, and the edge of sealing cover 50 is inserted into seal groove, And be interference fitted with sealing ring 60, the sealed connection between sealing cover 50 and plunger bushing 20 is realized, and inlet channel 70 then passes through The connection for wearing sealing cover 50 realization and avoiding hollow groove 23, this avoid air-flows by the gap hair between sealing cover 50 and plunger bushing 20 Raw leakage, to further improve the utilization rate of air-flow, further improves the use reliability of product.

Preferably, inlet channel 70 is connected through the side wall of sealing cover 50 with avoiding hollow groove 23, as shown in Figure 5.

Inlet channel 70 is connected through the side wall of sealing cover 50 with avoiding hollow groove 23, advantageously reduces material cleaning device Longitudinal height, keeps product more stable.

Preferably, sealing cover 50 is an integral structure with inlet channel 70, as shown in Figure 1 and Figure 5.

Sealing cover 50 is an integral structure with inlet channel 70, on the one hand improves the company of sealing cover 50 Yu inlet channel 70 Intensity is connect, and then improves the use reliability of product；On the other hand, sealing cover 50 can be by being molded into inlet channel 70 The modes such as type are integrally formed, to improve the production efficiency of product, reduce the production cost of product.

Embodiment two

Difference with embodiment one is: transmission mechanism is the cooperation of rack-and-pinion, is equally able to achieve rotary motion and straight Conversion between line movement, equally can be realized the purpose of this utility model, thus also within the protection scope of the present utility model.

Embodiment three

On the basis of example 1, maximum water level is equipped in cleaning chamber 14, inlet channel 70 is at least partly higher than Maximum water level, as shown in Figure 10.

Maximum water level is equipped in cleaning chamber 14, inlet channel 70 is at least partly higher than maximum water level, in this way can It avoids the water in cleaning chamber 14 from flowing backward generation the case where into gas source by inlet channel 70, makees to play protection to gas source With guaranteeing the normal operation of gas source.

Preferably, relative motion occurs in the horizontal direction for plunger 10 and plunger bushing 20, and inlet channel 70 includes and cleaning chamber The second pipeline section 72 that the first pipeline section 71 and both ends that body 14 is connected are connected with the first pipeline section 71 and gas source respectively；Wherein, One pipeline section 71 is horizontally extending, and the second pipeline section 72 extends along the vertical direction, and part is higher than maximum water level, such as Figure 10 institute Show.

Relative motion occurs in the horizontal direction for plunger 10 and plunger bushing 20, and inlet channel 70 includes the first pipeline section 71 and second Pipeline section 72, the first pipeline section 71 are connected with cleaning chamber 14, and the second pipeline section 72 is connected with the first pipeline section 71 and gas source, the first pipe Section 71 is horizontally extending, and the second pipeline section 72 extends along the vertical direction, it may be assumed that the first pipeline section 71 and the second pipeline section 72 mutually hang down Directly, the first pipeline section 71 is located at 20 lower section of plunger bushing, and the second pipeline section 72 upwardly extends, its part is made to be higher than maximum water level, to prevent The structure of only flow backwards gas source, such inlet channel 70 is more regular, both molding easy to process, is also convenient for assembling.

Example IV

On the basis of example 1, material cleaning device further include: drainage channel 80, as shown in Figure 1, by it is multiple into Stomata 22 is connected with cleaning chamber 14, the dirt for being discharged in cleaning chamber 14.

Material cleaning device further includes drainage channel 80, and drainage channel 80 is also by above-mentioned air inlet 22 and cleaning chamber 14 Being connected, then air inlet 22 is both used for air inlet, it is also used for draining, thus the integrated level of material cleaning device is improved, it simplifies Product structure；And drainage procedure is also carried out in the second predeterminated position, it may be assumed that water inlet process, cleaning process and blowdown process are all the Two predeterminated positions carry out, this further shortens the movement travel of plunger 10, further reduces the volume of material cleaning device.

Specifically, drainage channel 80 is equipped with the switch such as water pump or solenoid valve, process of intaking and cleaning process (air inlet Journey), drainage channel 80 is closed, to prevent water stream and air-flow from being flowed out by drainage channel 80, guarantees the leakproofness of cleaning chamber 14；And In drainage procedure, then drainage channel 80 is opened, dirt is discharged.

In any of the above-described embodiment, plunger bushing 20 is equipped with venthole 24, and venthole 24 is in second in advance in plunger 10 If being connected when position with cleaning chamber 14, as shown in Figure 8.

Further, the top of plunger 10 is equipped with gas vent 13, and gas vent 13 is when plunger 10 is in the second predeterminated position It is connected with venthole 24, as shown in Figure 8.

Plunger bushing 20 is equipped with venthole 24, and venthole 24 is when plunger 10 be in the second predeterminated position and cleaning chamber 14 It is connected, can makes to balance into water Cleaning Process cavity 14 and atmospheric gas pressure, so that it is unobstructed to guarantee to intake；Further, right It is same to realize in cleaning process (i.e. intake process) and/or blowdown process also for the embodiment that the second predeterminated position carries out The balance of cleaning chamber 14 and atmospheric gas pressure, thus also ensure intake process unobstructed and blowdown process it is unobstructed.

Specifically, the top of plunger 10 be equipped with gas vent 13, gas vent 13 when plunger 10 be in the second predeterminated position and Venthole 24 is connected, and then realizes the connection of venthole 24 Yu cleaning chamber 14；And pass through gas vent 13 and venthole 24 Connection is overlapped to realize the mode of communicating of venthole 24 Yu cleaning chamber 14, can be avoided and opened on a large scale at 14 top of cleaning chamber Mouthful, to improve the leakproofness of cleaning chamber 14.

In any of the above-described embodiment, material cleaning device further include: fixed bracket 90, plunger bushing 20 are mounted on fixed branch On frame 90, further, sealing cover 50 is also mounted on fixed bracket 90, as shown in Figures 1 to 10.

The embodiment of the utility model second aspect provides a kind of cooking apparatus, comprising: culinary art main body and such as first party The material cleaning device of any one of face embodiment.

Specifically, culinary art main body has cooking cavity；Material cleaning device is used to clean the object being sent into cleaning chamber 14 Material, and the material after cleaning is sent into cooking cavity.

The cooking apparatus that the embodiment of the utility model second aspect provides, because including any one of first aspect embodiment Material cleaning device, thus have any of the above-described embodiment possessed by all beneficial effects, details are not described herein.

In the above-described embodiments, culinary art main body includes: pot body and lid, and lid and pot body lid, which are closed, sets out cooking cavity to enclose Room；Wherein, material cleaning device is arranged on lid.

Material cleaning device is arranged on lid, is connected when being opened convenient for the discharge port 11 of cleaning chamber 14 with cooking cavity It is logical, so that the material in cleaning chamber 14 can smoothly enter into cooking cavity and be cooked, keep structure more compact and reasonable.

In any of the above-described embodiment, cooking apparatus is electric cooker.

It is certainly not limited to electric cooker, is also possible to electric pressure cooking saucepan, electric cooking pot, electric steamer etc..

The working principle of material cleaning device provided by the present application is described below with reference to a specific embodiment.

A kind of material cleaning device, comprising: piston head (i.e. plunger 10), into rice grain pattern road (i.e. feeding-passage 30), reset bullet Spring 32, reverse-filling baffle 31, plunger shaft (i.e. plunger bushing 20), piston screw rod (i.e. lead screw 42), screw rod fixed lid 43, synchronous motor 41, the composition such as air inlet pipe (i.e. inlet channel 70), row's rice washing water pipe (i.e. drainage channel 80)；Reverse-filling is provided on piston head Baffle 31 places sliding slot, and reset spring 32 is mounted between reverse-filling baffle 31 and the side wall of sliding slot, is fixed on work into rice grain pattern road It fills on chamber, for the precession of piston screw rod in the silk braid 12 of piston head, lower section sealing ring 60 is fixed on plunger shaft by lower section sealing cover 50 In the following, synchronous motor 41 is fixed on above plunger shaft by the fixed lid 43 of screw rod, the fixed entire component of 90 fixed bearing of bracket.

When into rice state, when piston head operation (reaches the first predeterminated position) in place, reverse-filling baffle 31 is opened, It is protruded into rice grain pattern road within the inner wall of piston head, as shown in Figure 4 and Figure 6, at this moment rice initially enters；Piston head is transported after the completion of into rice It is dynamic, stop when falling back on rice washing position (i.e. the second predeterminated position), at this moment enters pipe into rice grain pattern road and exit piston head, equipment is on both sides Reverse-filling baffle 31 reset spring 32 effect under be combined, prevent rice washing when water flow backward or fly into rice grain pattern road, such as Shown in Fig. 7 and Fig. 9；In rice washing, the air inlet pipe being arranged below on sealing cover 50 can blow, and the meter He Shui in chamber of washing rice is stirred Dynamic, rice is washed in realization, as shown in figures 7 and 9；It washes after the completion of rice, row's rice washing water pipe by being arranged below sealing cover 50 will be washed in a pan Rice water discharge, as shown in figures 7 and 9；Then piston head moves to lower discharge position (i.e. third predeterminated position), and rice is drawn off.

In conclusion material cleaning device provided by the utility model, plunger has cleaning chamber, for accommodating material Material is washed automatically to realize with water, and cleaning chamber is equipped with feed inlet and water inlet, is respectively used to feed and intake；Plunger bushing is set in The outside of plunger, and can with plunger occur relative motion so that plunger be at different operating positions fed, into Water, the different course of work such as wash material, blowdown, blanking；And feeding-passage when plunger is in the first predeterminated position can with into Material mouth is connected, and ensure that feeding-passage can convey material to cleaning chamber, intake tunnel is in the second default position in plunger It can be connected with water inlet when setting, ensure that intake tunnel can convey water, therefore, fill process and water inlet to cleaning chamber Process is separately carried out in different operating positions, and feed inlet and feeding-passage are not normal open state, water inlet and intake tunnel Normal open state, this avoid feeding-passage and intake tunnels to be connected simultaneously with cleaning chamber, thus both avoided into Water flow enters the case where feeding-passage causes pipeline to pollute during water, also avoids material in fill process and enters water inlet Channel leads to the generation of the case where line clogging.

In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as Indication or suggestion relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection It is to be detachably connected, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right For those skilled in the art, can understand as the case may be above-mentioned term in the present invention specifically contain Justice.

In the description of the utility model, it is to be understood that term " on ", "lower", "left", "right", "front", "rear" etc. refer to The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and Simplify description, rather than the device or unit of indication or suggestion meaning there must be specific direction, with specific orientation construction And operation, it is thus impossible to be construed as a limitation of the present invention.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples In can be combined in any suitable manner.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (20)

1. a kind of material cleaning device is used for cooking apparatus characterized by comprising

Plunger, has cleaning chamber, and the cleaning chamber is equipped with feed inlet and water inlet；

Plunger bushing is set in the outside of the plunger, and relative motion can occur with the plunger；

Feeding-passage can be connected when the plunger is in the first predeterminated position with the feed inlet, with to the cleaning Cavity conveys material；

Intake tunnel can be connected when the plunger is in the second predeterminated position with the water inlet, with to the cleaning Cavity conveys water.

2. material cleaning device according to claim 1, which is characterized in that

The bottom of the cleaning chamber is equipped with discharge port, and the plunger bushing is equipped with discharge port compatible with the discharge port, And the discharge port when the plunger is in first predeterminated position and second predeterminated position with the discharge port phase It is staggered, is connected when the plunger is in third predeterminated position with the discharge port.

3. material cleaning device according to claim 2, which is characterized in that

First predeterminated position, second predeterminated position and the third predeterminated position are sequentially arranged in the movement of the plunger In stroke.

4. material cleaning device according to any one of claim 1 to 3, which is characterized in that further include:

Driving assembly is connected with the plunger or the plunger bushing, for driving one in the plunger and the plunger bushing Another opposite movement, makes the plunger and the plunger bushing that relative motion occur.

5. material cleaning device according to claim 4, which is characterized in that the driving component includes:

Actuator；With

Lead screw, the head of the lead screw are connected with the output shaft of the actuator, and the plunger is equipped with silk braid, in the silk braid Equipped with the internal screw thread matched with the lead screw, the tail portion of the lead screw is inserted into the silk braid, and is revolved with the silk braid screw thread It closes, to drive the plunger linearly to move back and forth.

6. material cleaning device according to claim 5, which is characterized in that

The driving component further include: fixed lid is fixedly connected with the actuator, and the fixation is covered equipped with fixing groove, and The connecting hole being connected with the fixing groove is offered, the head of the lead screw limits the output shaft in the fixing groove Head across the connecting hole and the lead screw is fixedly linked；And/or

The actuator is located at outside the plunger bushing, and mounting hole is offered on the plunger bushing, and the head of the lead screw is against institute It states on the outer wall of plunger bushing, the tail portion of the lead screw passes through the mounting hole and is inserted into the plunger bushing.

7. material cleaning device according to any one of claim 1 to 3, which is characterized in that further include:

Inlet channel, input terminal can be connected to gas source, and output end is connected with the cleaning chamber, be used for described clear It washes in cavity and blows, make material and water in the cleaning chamber that relative motion occur, to clean the material.

8. material cleaning device according to claim 7, which is characterized in that

The inlet channel is connected by multiple air inlets with the bottom of the cleaning chamber.

9. material cleaning device according to claim 8, which is characterized in that

Multiple air inlets are arranged on the plunger bushing, and when the plunger is in second predeterminated position with it is described The discharge port of cleaning chamber bottom is connected.

10. material cleaning device according to claim 9, which is characterized in that

Multiple air inlets are in array-like or radial distribution.

11. material cleaning device according to claim 10, which is characterized in that

The distribution area of multiple air inlets is adapted with the bore of the discharge port.

12. material cleaning device according to claim 9, which is characterized in that

The plunger bushing is equipped with downward opening avoiding hollow groove, offers multiple air inlets, institute on the roof of the avoiding hollow groove The output end for stating inlet channel is connected with the avoiding hollow groove；

The lower section of the avoiding hollow groove is equipped with sealing cover, and the sealing cover is connected with the plunger bushing, and covers the avoiding hollow groove Open end.

13. material cleaning device according to claim 12, which is characterized in that

The plunger bushing is equipped with seal groove, and sealing ring is equipped in the seal groove, and the edge insertion of the sealing cover is described close It in sealing groove, and is interference fitted with the sealing ring, the inlet channel is connected through the sealing cover with the avoiding hollow groove.

14. material cleaning device according to claim 12, which is characterized in that

The sealing cover is an integral structure with the inlet channel.

15. material cleaning device according to claim 7, which is characterized in that

Maximum water level is equipped in the cleaning chamber, the inlet channel is at least partly higher than the maximum water level.

16. material cleaning device according to claim 15, which is characterized in that

Relative motion occurs in the horizontal direction for the plunger and the plunger bushing, and the inlet channel includes and the cleaning chamber The second pipeline section that the first pipeline section being connected and both ends are connected with first pipeline section and the gas source respectively；

Wherein, first pipeline section is horizontally extending, and second pipeline section extends along the vertical direction, and part is higher than described Maximum water level.

17. material cleaning device according to claim 8, which is characterized in that further include:

Drainage channel is connected, for being discharged in the cleaning chamber with the cleaning chamber by multiple air inlets Dirt.

18. material cleaning device according to any one of claim 1 to 3, which is characterized in that

The plunger bushing is equipped with venthole, and the venthole is when the plunger is in second predeterminated position and described clear Cavity is washed to be connected.

19. material cleaning device according to claim 18, which is characterized in that

The top of the plunger be equipped with gas vent, the gas vent when the plunger is in second predeterminated position with it is described Venthole is connected.

20. a kind of cooking apparatus characterized by comprising

Main body is cooked, there is cooking cavity；With

Material cleaning device as described in any one of claims 1 to 19, for cleaning the material being sent into its cleaning chamber, And the material after cleaning is sent into the cooking cavity.