CN206548349U - Cover assembly and cooking apparatus - Google Patents

Abstract

The utility model provides a kind of cover assembly and cooking apparatus, and wherein cover assembly includes:Shell of top cover body；Material cleaning device, for cleaning material, material cleaning device is arranged on shell of top cover body, and material cleaning device is provided with mudhole；Feculence box, feculence box is arranged on shell of top cover body, positioned at the lower section of material cleaning device, and feculence box has dirt collecting port, and dirt collecting port is connected to collect the dirt after cleaning material with mudhole；Wherein, feculence box can dismantle separation or coordinate to level twitch and be assembled on material cleaning device and/or on shell of top cover body.The cover assembly that the utility model is provided, by the lower section that feculence box is arranged on to material cleaning device, the dirt that material cleaning device is produced is directly discharged in feculence box in the presence of self gravitation, the servicing units such as sewage valve and pump need not be set up and carry out blowdown, it is simple in construction, it is easy to operate, it is not required to use pipeline, can solve material it is easy to stick in pipeline the problem of, reduce manufacturing cost.

Description

Cover assembly and cooking apparatus

Technical field

The utility model is related to household appliance technical field, in particular to a kind of cover assembly and a kind of cooking apparatus.

Background technology

In correlation technique, for the cooking apparatus such as the rice cooker of in the market, wash rice and rice or outside are mainly washed using interior pot Wash after rice and to be transferred by pipeline into interior pot two ways, at least there is following technological deficiency：

(1) it is blowdown difficulty that interior pot, which washes the major defect of meter mode,；

(2) outside wash after rice is transferred into interior pot by pipeline.

The sewage discharge device of both the above mode is complicated, it is necessary to install sewage valve or pump auxiliary blowdown, and increases Production cost is added.

Utility model content

At least one in order to solve the above-mentioned technical problem, a purpose of the present utility model is to provide a cover assembly.

Further object of the present utility model is to provide a kind of cooking apparatus.

In view of this, according to a purpose of the present utility model, the utility model provides a kind of cover assembly, including: Shell of top cover body；Material cleaning device, for cleaning material, material cleaning device is arranged on shell of top cover body, material cleaning device It is provided with mudhole；Feculence box, feculence box is arranged on shell of top cover body, and positioned at the lower section of material cleaning device, feculence box has Dirt collecting port, dirt collecting port is connected to collect the dirt after cleaning material with mudhole；Wherein, feculence box can be torn open to level twitch Unload separation or coordinate and be assembled on material cleaning device and/or on shell of top cover body, the quantity of the mudhole is for one or more It is individual.

The cover assembly that the utility model is provided, by the way that feculence box to be arranged on to the lower section of material cleaning device, material is clear The dirt that cleaning device is produced is directly discharged in feculence box in the presence of self gravitation, auxiliary without setting up sewage valve and pump etc. Help device carry out blowdown, it is simple in construction, it is easy to operate, be not required to use pipeline, it is possible to resolve material it is easy to stick in pipeline the problem of, reduction Manufacturing cost.Further, feculence box can be capable of level twitch dismounting be located away from material cleaning device and/or upper lid Housing, facilitate the disassembly, cleaning of feculence box, it is ensured that product uses health, it is to avoid feculence box is used for a long time and produces thin Bacterium, influence cooking environments health, improves the usage experience of user, while the dirt facilitated in feculence box is poured out, increase collection The volume of dirty box.Further, by setting multiple mudholes to accelerate the discharge of dirt, operating efficiency is lifted.

In addition, the cover assembly in above-described embodiment that the utility model is provided can also have following supplementary technology special Levy：

In the above-mentioned technical solutions, it is preferable that material cleaning device can dismantle separation or coordinate to level twitch and assemble In on shell of top cover body.

In the technical scheme, the detachable bottom of material cleaning device is arranged on shell of top cover body, it is convenient that material is cleaned The cleaning of device changes part with maintenance.

In the above-mentioned technical solutions, it is preferable that be provided with slideway on one in feculence box and material cleaning device, it is another It is provided with individual and coordinates the sliding part installed with slideway, is assembled in so that feculence box can dismantle separation or coordinate to level twitch On material cleaning device；Or accommodation space is provided with shell of top cover body, the side of accommodation space is open otch, so that feculence box Separation or engagement sleeves can be dismantled to level twitch loaded in accommodation space.

In the technical scheme, by setting slideway and sliding part as the assembled portion of feculence box and material cleaning device Part, is easy to the assembly and disassembly of feculence box, while the combined fault rate of slideway and sliding part is low, reduces maintenance cost and production Cost.

Or feculence box is assembled in accommodation space, the side of accommodation space is open otch, and opposite side is closing, Feculence box level is pushed in accommodation space, while the dirt collecting port of feculence box aligns with the sewage draining exit of material cleaning device, no Need extra blowoff line.

In the above-mentioned technical solutions, it is preferable that the opposite side of accommodation space is enclosed construction, feculence box is set in accommodating sky When interior, a side end face of feculence box is resisted against on enclosed construction.

In the above-mentioned technical solutions, it is preferable that position limiting structure, spacing knot are provided between feculence box and material cleaning device Structure is used to control the box-packed specified location being located at below material cleaning device of dirt collection.

In the technical scheme, by being provided with position limiting structure between feculence box and material cleaning device, it can control Feculence box is installed in the specified location below material cleaning device, makes product structure stable, improves safe application performance.

In the above-mentioned technical solutions, it is preferable that position limiting structure includes stopper slot and the spacing rib matched with stopper slot, collection Stopper slot is provided with one in dirty box and shell of top cover body, setting limited location rib on another, stopper slot matches with spacing rib Close so that feculence box is installed in the specified location of shell of top cover body.

It is spacing by the position progress of stopper slot and spacing rib to feculence box in shell of top cover body in the technical scheme, It is simple in construction, it is easily worked and operates, lifts the usage experience of user.

In the above-mentioned technical solutions, it is preferable that be provided with feculence box on the side wall of the opening otch of accommodation space Sewage pipe access aperture, for the sewage in feculence box to be discharged.

In the technical scheme, sewage pipe access aperture is opened up on the side wall of feculence box, sewage is discharged by sewage pipe, Without directly sewage to be outwelled to feculence box dismounting again, the step of simplifying sewage discharge is easy to operate, improves user's body Test.

In any of the above-described technical scheme, it is preferable that material cleaning device includes：Plunger, with cleaning chamber, cleans chamber Body is provided with charging aperture and discharging opening；Plunger bushing, is sheathed on the outside of plunger, and mudhole is arranged on plunger bushing, and plunger bushing It is additionally provided with access aperture and discharge otch；And drive device, it is connected with plunger or plunger bushing, drive device driving plunger or plunger Relative to another movement, when making plunger in predeterminated position, access aperture is connected one in set with charging aperture, so that material enters In cleaning chamber, or discharging opening is connected with discharge otch, and so that material is discharged, or discharging opening is connected with mudhole, for dirt Discharge.

In the technical scheme, plunger has cleaning chamber, and cleaning chamber is provided with charging aperture and discharging opening, plunger bushing The outside and plunger bushing for being sheathed on plunger are provided with access aperture, mudhole and discharge otch, drive device and plunger or plunger bushing Connection, when drive device drives one in plunger or plunger bushing relative to another movement, when making plunger in predeterminated position, enters Enter hole to connect with charging aperture, material can be made to enter in cleaning chamber, when drive device drives a phase in plunger or plunger bushing To another movement, when the discharging opening is connected with discharge otch, material can be discharged, when drive device driving plunger or plunger bushing In one relative to another movement, when the discharging opening is connected with mudhole, dirt can be discharged.The thing that the utility model is provided Material cleaning device realizes the processes such as charging, cleaning material, blowdown and blanking using piston cylinder operator, simple in construction, easy to operate, And gravity blowdown can be used, sewage valve or pump are not required to, the material after cleaning can be discharged directly, are not required to use pipeline, can solved Certainly material it is easy to stick in pipeline the problem of.

In the above-mentioned technical solutions, it is preferable that the predeterminated position is the first predeterminated position, the second predeterminated position and the 3rd One in predeterminated position, plunger bushing is provided with passage, and it is pre- that plunger is in the first predeterminated position, the second predeterminated position and the 3rd If during position, charging aperture is connected with passage；Wherein, when plunger is in the first predeterminated position, access aperture and charging aperture are overlapped, thing Material enters in cleaning chamber, and when plunger is in the second predeterminated position, discharging opening is overlapped with mudhole, dirt discharge, and at plunger When three predeterminated positions, discharging opening is connected with discharge otch, material discharge.

In the technical scheme, during by drive device by plunger actuation to the first predeterminated position, access aperture and charging aperture Overlap, material enters in cleaning chamber, during by drive device by plunger actuation to the second predeterminated position, discharging opening and mudhole Overlap, dirt is discharged into feculence box, and during by drive device by plunger actuation to three predeterminated position, discharging opening and discharge otch Connection, material discharge, it is achieved thereby that multiple processes such as charging, cleaning material, blowdown and blanking.

In the above-mentioned technical solutions, it is preferable that drive device includes：Motor；And transmission mechanism, with motor phase Connect, and be connected to plunger or plunger bushing, relatively moved with driving between plunger and plunger bushing.

In the technical scheme, plunger or plunger bushing are driven using motor, so as to relatively move between the two, work as post When plug is in predeterminated position, the operation such as charging, blowdown and blowing can be achieved.

In the above-mentioned technical solutions, it is preferable that transmission mechanism includes rack-and-pinion.

In the technical scheme, rack can be arranged on plunger or plunger bushing, and motor-driven gear rotating band carry-over bar is done Linear motion, so as to drive plunger bushing or plunger motion.

In the above-mentioned technical solutions, it is preferable that material cleaning device also includes：Agitating device, is connected with cleaning chamber, is used Material in stirring and washing cleaning chamber.

In the technical scheme, the thing that agitating device comes in stirring and washing cleaning chamber is set in material cleaning device Material, can make the cleaning of material more thorough.

In the above-mentioned technical solutions, it is preferable that agitating device includes：Stirring motor, stirring motor is located at cleaning chamber Outside, and with output shaft；And splash bar, splash bar is in cleaning chamber；Wherein, cleaning chamber has contact hole, and splash bar passes through Contact hole is connected to output shaft, and stirring motor driving splash bar, which is rotated, carrys out stirring and washing material.

In the technical scheme, the mode for cleaning material drives stirring to clean using motor, and detailed process is explainable such as Under, when the charging aperture in cleaning chamber is relative with the access aperture on plunger bushing, liquid material (such as water) and solid material (example Such as rice) enter cleaning chamber from access aperture, start stirring motor, material rolls under the agitation of splash bar, reach cleaning material Purpose.Complete after cleaning action, promote plunger motion to cause cleaning chamber relative with mudhole, sewage is discharged into cleaning chamber extremely Feculence box, promoted after sewage discharge plunger motion cause cleaning chamber discharging opening and plunger bushing discharge otch it is relative, will be clear Material discharge after washing.

In the above-mentioned technical solutions, it is preferable that agitating device includes：Blower fan, blower fan is located at the outside of cleaning chamber；And wind Pipe, one end of airduct is connected with blower fan；Wherein, cleaning chamber is provided with air outlet, and the other end of airduct is connected with air outlet, with In the wind feeding cleaning chamber that blower fan is produced.

In the technical scheme, material can be also cleaned using wind drive water, detailed process is explainable as follows：When cleaning chamber When charging aperture on body is relative with the access aperture on plunger bushing, the wind pushing hole air-supply of plunger side, material enters clear from access aperture Cavity is washed, water and material roll under wind-force effect, reach the purpose of cleaning material.Complete after cleaning action, it is out-of-blast, push away Dynamic plunger motion causes cleaning chamber relative with mudhole, and sewage is discharged into cleaning chamber to feculence box, promoted after sewage discharge Plunger motion cause cleaning chamber discharging opening and plunger bushing discharge otch it is relative, the material after cleaning is discharged.

In the above-mentioned technical solutions, it is preferable that agitating device also includes impeller, impeller is rotatably disposed within cleaning chamber At the wind pushing hole in portion, blower fan drives wheel rotation with stirring and washing material.

In the technical scheme, impeller is set at the wind pushing hole of the inside of cleaning chamber, the wind produced by blower fan drives Dynamic wheel rotation carrys out stirring and washing material.It can make that material easily rolls or rolling degree is bigger by impeller, cleaning performance is more preferably.

In the above-mentioned technical solutions, it is preferable that material cleaning device also includes seal, is filled in plunger and plunger bushing Between to be sealed to cleaning chamber.

In the technical scheme, the plunger of material cleaning device has needed sealing between the two in plunger bushing linear movement Part ensure will not leak, because being loaded with material in plunger, if conference is crossed in the gap of plunger and plunger inner room blocks granular thing Material, if gap is small, as long as the crushed element of the seal in motion has small part to squeeze into gap, will result in plunger card Extremely, therefore, the size selection of seal is suitable, to realize expected sealing effectiveness.

In the above-mentioned technical solutions, it is preferable that seal is sealing ring, and the outside of cleaning chamber is provided with receiving sealing The installation annular groove of part.

In the technical scheme, the sealing ring for selecting suitable shape and specification according to specific implementation situation is sealed.Adopt During with the sealing ring of circular cross-section, the section of its mounting groove may be configured as square shape, have space use up and down between the two In sealing ring compression.Its multi-stage sealed mode is simple, need to only use several identical sealing rings, and correspondence is set on plunger Multiple mounting grooves are put, have flange using both sides, centre is waveform or the sealing ring of V-arrangement, and the side flange of sealing ring two is used for Positioning, is assembled to the two sides after plunger less than plunger face, the part of centre protrusion is used to seal, and corrugated structure can be formed It is multi-stage sealed, receive and be pressed against contract.

In the above-mentioned technical solutions, it is preferable that access aperture includes inlet opening and charging hole, for the liquid material in material Entered respectively by inlet opening and charging hole in cleaning chamber with solid material.

In the technical scheme, liquid material and solid material all can enter cleaning chamber by access aperture, i.e., only set One for material enter cleaning chamber entrance, selectively, inlet opening and charging hole can be also set respectively, make liquid material and Solid material respectively enters material cleaning chamber, is easy to the entrance of control material, isolates liquid material and solid material, it is to avoid Different material is mixed into the possibility in untapped material.

In the above-mentioned technical solutions, it is preferable that plunger is regular shape or irregular shape.

In the technical scheme, plunger can be designed as then shape or irregular shape according to demand.

In the above-mentioned technical solutions, it is preferable that plunger is cylindrical type plunger or prismatic plunger.

In the technical scheme, cylindrical plunger and prismatic plunger are easy to sealing, easily manufactured and installed, and in limit Space can be achieved under fixed length, height and width conditions to maximize, the requirement of miniaturized structure can be more met.

In the above-mentioned technical solutions, it is preferable that the seamed edge of prismatic plunger is chamfering or rounding corner structure.

In the technical scheme, the seamed edge of prismatic plunger is set to chamfering or the structure of rounding, is on the one hand easy to Ring set is sealed in the periphery of plunger, on the other hand also makes product design attractive in appearance, and using safer, is installed more Plus conveniently.

In the above-mentioned technical solutions, it is preferable that the relevant position of cylindrical type plunger and plunger bushing is provided be engaged anti- Rotational structure.

In the technical scheme, when plunger is when being shaped as cylindrical type, anti-rotational structure need to be set, so that the charging of plunger Mouthful and discharging opening can be connected with the access aperture of plunger bushing, mudhole and discharge otch, it is ensured that feed, blowdown and discharging process It is smooth.

In the above-mentioned technical solutions, it is preferable that anti-rotational structure is stopper slot and the spacing preiection that matches with stopper slot, One upper setting stopper slot of plunger and plunger bushing, setting spacing preiection on another.

In the technical scheme, set stopper slot and spacing preiection to carry out spacing, enable the charging aperture and discharging opening of plunger It is enough to be connected with the access aperture of plunger bushing, mudhole and discharge otch, realize charging, blowdown and discharging process.

Another purpose of the utility model provides a kind of cooking apparatus, including：Pot and above-mentioned first aspect embodiment In cover assembly described in any technical scheme, pot surrounds with cover assembly and encloses cooking cavity.Because cooking apparatus is set There is the cover assembly described in any of the above-described technical scheme, so that whole beneficial effects with above-mentioned cover assembly, herein no longer Repeat.

In addition, the cooking apparatus in above-described embodiment that the utility model is provided can also have following supplementary technology special Levy：

In the above-mentioned technical solutions, it is preferable that also including sewage pipe, sewage pipe one end is accessed with the sewage pipe on feculence box Hole is connected；Sump, the sewage pipe other end is stretched into sump, and the sewage in the feculence box is drained into dirt by sewage pipe In tank.

In the technical scheme, by setting sump, the sewage in feculence box is immediately directed against in sump, increased The storage volume of sewage, simplifies cooking process, and user improves Consumer's Experience without often dismantling feculence box effluent sewerage.

In the above-mentioned technical solutions, it is preferable that cooking apparatus is electric cooker, electric pressure cooking saucepan, electric cooking pot or electric steamer.

In the technical scheme, cooking apparatus is preferred but is not limited to electric cooker, electric pressure cooking saucepan, electric cooking pot or electric steamer.

Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality The practice of type is recognized.

Brief description of the drawings

Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined Become substantially and be readily appreciated that, wherein：

Fig. 1 shows the assembling schematic diagram of the cover assembly according to embodiment of the present utility model；

Fig. 2 shows the exploded perspective view of the cover assembly of embodiment illustrated in fig. 1；

Fig. 3 shows the perspective view of the cover assembly of embodiment illustrated in fig. 1；

Fig. 4 shows the perspective view of the feculence box of embodiment illustrated in fig. 2；

Fig. 5 shows the perspective view of the plunger of the material cleaning device of the utility model one embodiment；

Fig. 6 shows the perspective view of the plunger bushing of the material cleaning device of the utility model one embodiment；

Fig. 7 shows the sectional view in blowdown according to the material cleaning device of embodiment of the present utility model；

Fig. 8 shows the close-up schematic view of Tu7Zhong A areas sewage draining exit；

Fig. 9 shows the sectional view in charging according to the cover assembly of embodiment of the present utility model；

Figure 10 shows the oblique view in charging according to the cover assembly of embodiment of the present utility model；

Figure 11 shows the sectional view in blowdown according to the cover assembly of embodiment of the present utility model；

Figure 12 shows the enlarged diagram of the sewage draining exit in C areas in Figure 11；

Figure 13 shows the oblique view in blowdown according to the cover assembly of embodiment of the present utility model；

Figure 14 shows the sectional view in discharge according to the cover assembly of embodiment of the present utility model；

Figure 15 shows the oblique view in discharge according to the cover assembly of embodiment of the present utility model；

Figure 16 shows the embodiment one of the agitating device of the material cleaning device according to embodiment of the present utility model Sectional view；

Figure 17 shows the embodiment two of the agitating device of the material cleaning device according to embodiment of the present utility model Sectional view；

Figure 18 shows the exploded perspective view of the cover assembly according to another embodiment of the present utility model；

Figure 19 shows the exploded perspective view of the cover assembly according to embodiment of the present utility model；

Figure 20 shows the schematic diagram of the seal according to embodiment of the present utility model；

Figure 21 shows the close-up schematic view of the embodiment one of the seal in B areas in Figure 20；

Figure 22 shows the oblique view of the seal in Figure 21；

Figure 23 shows the sectional view of the seal in Figure 21；

Figure 24 shows the close-up schematic view of the embodiment two of the seal in B areas in Figure 20；

Figure 25 shows the oblique view of the seal in Figure 24；

Figure 26 shows the side view of the seal in Figure 24；

Figure 27 shows schematic diagram of the plunger of material cleaning device of the present utility model for the embodiment of prismatic plunger；

Figure 28 shows schematic diagram of the plunger of material cleaning device of the present utility model for the embodiment of cylindrical type plunger；

Figure 29 shows the schematic diagram of the cooking apparatus according to embodiment of the present utility model,

Wherein, corresponding relations of the Fig. 1 into Figure 29 between reference and component names is：

1 cover assembly, 2 material cleaning devices, 4 shell of top cover bodies, 10 plungers, 12 cleaning chamber, 122 charging apertures, 124 dischargings Mouthful, 126 wind pushing holes, 20 plunger bushings, 202 access aperture, 222 inlet openings, 224 charging holes, 204 mudholes, 206 discharge otch, 208 Passage, 22 first accommodation spaces, 220 second accommodation spaces, 30 agitating devices, 302 stirring motors, 304 splash bars, 306 blower fans, 308 airducts, 40 drive devices, 402 motors, 404 transmission mechanisms, 406 rack-and-pinion, 50 feculence box, 502 dirt collecting ports, 504 Sewage pipe access aperture, 506 sewage pipes, 508 sumps, 60 seals, 70 liquid sources, 702 liquid feed valves, 704 water influent pipelines, 80 storings Device, 802 inlet valves, 804 first blower fans, 806 wind shuttles, 808 feed lines, 90 pots, 902 cooking cavities.

Embodiment

In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen The feature in embodiment and embodiment please can be mutually combined.

Many details are elaborated in the following description to fully understand the utility model, still, this practicality New to be different from other modes described here to implement using other, therefore, protection domain of the present utility model is simultaneously Do not limited by following public specific embodiment.

Referring to Fig. 1 to Figure 29 descriptions according to the utility model some embodiments cover assembly 1 and cooking apparatus.

As shown in Figures 1 to 6, the utility model provides a kind of cover assembly 1, including:Shell of top cover body 4；Material is cleaned Device 2, for cleaning material, material cleaning device 2 is arranged on shell of top cover body 4, and material cleaning device setting 2 has mudhole 204；Feculence box 50, feculence box 50 is arranged on shell of top cover body 4, positioned at the lower section of material cleaning device 2, and feculence box 50, which has, to be received Dirty mouth 502, dirt collecting port 502 is connected to collect the dirt after cleaning material with mudhole 204；Wherein, feculence box 50 being capable of water The dismounting of flat twitch ground is separated or coordinated and is assembled on material cleaning device 2 and/or on shell of top cover body 4, and the quantity of mudhole is one It is individual or multiple.

The cover assembly 1 that the utility model is provided, as shown in fig. 7, by the way that feculence box 50 is arranged on into material cleaning device 2 Lower section, material cleaning device 2 produce dirt be directly discharged in the presence of self gravitation in feculence box 50, without setting up The servicing unit such as sewage valve and pump carry out blowdown, it is simple in construction, it is easy to operate, be not required to use pipeline, it is possible to resolve material it is easy to stick The problem of in pipeline, reduce manufacturing cost.Further, feculence box 50 can be capable of level twitch dismounting be located away from thing Material cleaning device 2 and/or shell of top cover body 4, facilitate the disassembly, cleaning of feculence box 50, it is ensured that using for product is hygienic, it is to avoid Feculence box 50 is used for a long time and produces bacterium, influence cooking environments health, improves the usage experience of user, facilitates simultaneously Dirt in feculence box 50 is poured out, and increases the volume of feculence box 50.Further, by setting multiple mudholes 204 to add The discharge of fast dirt, lifts operating efficiency.

In one embodiment case of the present utility model, it is preferable that as shown in Fig. 2 material cleaning device 2 can level take out Separation is dismantled dynamicly or is coordinated is assembled on shell of top cover body 4.

In this embodiment, the detachable bottom of material cleaning device 2 is arranged on shell of top cover body 4, it is convenient that material is cleaned The cleaning of device changes part with maintenance.

In one embodiment of the present utility model, it is preferable that set on one in feculence box 50 and material cleaning device 2 Slideway is equipped with, is provided with another and coordinates the sliding part installed with slideway, so that feculence box 50 being capable of level twitch ground dismounting Separation or cooperation are assembled on material cleaning device 2；As shown in figure 3, or be provided with accommodation space on cover assembly 1, house sky Between side be open otch so that feculence box 50 can level twitch ground dismounting separation or engagement sleeves loaded in accommodation space.

In this embodiment, the second accommodation space 220 on cover assembly, the second accommodation space 220 is placed in by feculence box It is interior.By setting slideway and sliding part as the assembled portion of feculence box 50 and material cleaning device 2 in the second accommodation space 220 Part, is easy to the assembly and disassembly of feculence box 50, facilitates the cleaning and replacing of feculence box 50, while the combination of slideway and sliding part Fault rate is low, reduces maintenance cost and production cost.

In one embodiment of the present utility model, it is preferable that the opposite side of accommodation space is enclosed construction, feculence box 50 When being set in accommodation space, a side end face of feculence box 50 is resisted against on enclosed construction.

In one embodiment of the present utility model, it is preferable that as shown in Figure 3 and Figure 4, feculence box 50 and material cleaning dress Position limiting structure is provided between putting 2, position limiting structure is used for the specific bit for controlling feculence box 50 to be installed in the lower section of material cleaning device 2 Put place.

In this embodiment, by being provided with position limiting structure between feculence box 50 and material cleaning device 2, it can control Feculence box 50 is installed in the specified location of the lower section of material cleaning device 2, makes product structure stable, improves safe application performance.

In one embodiment of the present utility model, it is preferable that as shown in Figure 3 and Figure 4, position limiting structure include stopper slot and Stopper slot is provided with one in the spacing rib matched with stopper slot, feculence box 50 and shell of top cover body 4, setting on another Limited location rib, stopper slot is engaged with spacing rib so that feculence box 50 is installed in the specified location of shell of top cover body 4.

In this embodiment, the position progress by stopper slot and spacing rib to feculence box 50 in shell of top cover body 4 is spacing, It is simple in construction, it is easily worked and operates, lifts the usage experience of user.

In one embodiment of the present utility model, it is preferable that as shown in figure 4, positioned at accommodation space on feculence box 50 Sewage pipe access aperture 504 is provided with the side wall of open otch, for the sewage in feculence box 50 to be discharged.

In this embodiment, the access aperture 504 of sewage pipe 506 is opened up on the side wall of feculence box 50, will by sewage pipe 506 Sewage is discharged, and is again outwelled sewage without directly dismantling feculence box 50, the step of simplifying sewage discharge is easy to operate, carries Consumer's Experience is risen.

In one embodiment of the present utility model, it is preferable that as shown in Fig. 5 to 15, material cleaning device 2 includes：Post Plug 10, with cleaning chamber 12, cleaning chamber 12 is provided with charging aperture 122 and discharging opening 124；Plunger bushing 20, is sheathed on plunger 10 outside, mudhole 204 is arranged on plunger bushing 20, and plunger bushing 20 is additionally provided with access aperture 202 and discharge otch 206； With drive device 40, it is connected with plunger 10 or plunger bushing 20, a phase in the driving plunger 10 of drive device 40 or plunger bushing 20 To another movement, when making plunger 10 in predeterminated position, access aperture 202 is connected with charging aperture 122, is cleaned so that material enters In cavity 12, or discharging opening 124 is connected with discharge otch 206, and so that material is discharged, or discharging opening 124 connects with mudhole 204 It is logical, so that dirt is discharged.

In this embodiment, as shown in Figure 5 and Figure 6, plunger 10 have cleaning chamber 12, and cleaning chamber 12 be provided with into Material mouth 122 and discharging opening 124, plunger bushing 20 is sheathed on the outside of plunger 10 and plunger bushing 20 is provided with access aperture 202, mudhole 204 are connected with discharge otch 206, drive device 40 with plunger 10 or plunger bushing 20, when drive device 40 drives plunger 10 or post Relative to another movement, when making plunger 10 in predeterminated position, access aperture 202 is connected one in plug sleeve 20 with charging aperture 122, Material can be made to enter in cleaning chamber 12, when drive device 40 drives one in plunger 10 or plunger bushing 20 another relative shifting It is dynamic, when the discharging opening 124 is connected with discharging otch 206, material can be discharged, as shown in Figure 7 and Figure 8, when drive device 40 is driven Relative another in dynamic plunger 10 or plunger bushing 20 is moved, and when the discharging opening 124 is connected with mudhole 204, can make dirt Thing is discharged.The utility model provide material cleaning device 2 using piston cylinder operator realize charging, cleaning material, blowdown and under The processes such as material, it is simple in construction, it is easy to operate, and gravity blowdown can be used, sewage valve or pump are not required to, the material after cleaning can Directly discharge, be not required to use pipeline, it is possible to resolve material it is easy to stick in pipeline the problem of.

In one embodiment of the present utility model, it is preferable that as shown in Fig. 9 to Figure 15, the predeterminated position is first One in predeterminated position, the second predeterminated position and the 3rd predeterminated position, plunger bushing 20 is provided with passage 208, plunger 10 When the first predeterminated position, the second predeterminated position and three predeterminated positions, charging aperture 122 is connected with passage 208；Wherein, such as Shown in Fig. 9 and Figure 10, when plunger 10 is in the first predeterminated position, access aperture 202 and charging aperture 122 are overlapped, and material enters cleaning In cavity 12, as shown in Figure 11 to Figure 13, when plunger 10 is in the second predeterminated position, discharging opening 124 is overlapped with mudhole 204, Dirt is discharged, as shown in Figure 14 and Figure 15, when plunger 10 is in three predeterminated positions, and discharging opening 124 connects with discharge otch 206 It is logical, material discharge.

In this embodiment, when plunger 10 is driven to the first predeterminated position by drive device 40, access aperture 202 and enter Material mouth 122 is overlapped, and material enters in cleaning chamber 12, when by drive device 40, plunger 10 is driven to the second predeterminated position, Discharging opening 124 is overlapped with mudhole 204, and dirt is discharged into feculence box 50, and is driven plunger 10 to the 3rd by drive device 40 During predeterminated position, discharging opening 124 with discharge otch 206 connect, material discharge, it is achieved thereby that charging, cleaning material, blowdown and Multiple processes such as blanking.

In one embodiment of the present utility model, it is preferable that as shown in figure 9, drive device 40 includes：Motor 402；With transmission mechanism 404, it is connected with motor 402, and is connected to plunger 10 or plunger bushing 20, drives plunger 10 and post Relatively moved between plug sleeve 20.

In this embodiment, plunger 10 or plunger bushing 20 are driven using motor, so as to relatively move between the two, when When plunger 10 is in predeterminated position, the operation such as charging, blowdown and blowing can be achieved.

In one embodiment of the present utility model, it is preferable that as shown in figure 9, transmission mechanism 404 includes rack-and-pinion 406。

In this embodiment, rack can be arranged on plunger 10 or plunger bushing 20, motor-driven gear rotating band carry-over bar Move along a straight line, so as to drive plunger bushing 20 or plunger 10 to move.

In one embodiment of the present utility model, it is preferable that material cleaning device 2 also includes：Agitating device 30 is and clear Wash cavity 12 to connect, for the material in stirring and washing cleaning chamber 12.

In this embodiment, agitating device 30 is set to come in stirring and washing cleaning chamber 12 in material cleaning device 2 Material, can make the cleaning of material more thorough.

In one embodiment of the present utility model, it is preferable that as shown in figure 16, agitating device 30 includes stirring motor 302, stirring motor 302 is located at the outside of the cleaning chamber 12, and with output shaft；With splash bar 304, splash bar 304 is located at clear Wash in cavity 12；Wherein, cleaning chamber 12 has through hole, and splash bar 304 is connected to output shaft by through hole, and stirring motor 302 drives Dynamic splash bar 304, which is rotated, carrys out stirring and washing material.

In this embodiment, the mode of cleaning material drives stirring to clean using motor, and detailed process is explainable as follows, When the charging aperture 122 in cleaning chamber 12 is relative with the access aperture that plunger 10 is put, liquid material (such as water) and solid Expect that (such as rice) enters cleaning chamber 12 from access aperture 202, start stirring motor 302, material is turned under the agitation of splash bar 304 Rolling, reaches the purpose of cleaning material.Complete after cleaning action, promote plunger 10 to move and cause cleaning chamber 12 and mudhole 204 Relatively, sewage is discharged into cleaning chamber 12, promotes plunger 10 to move the He of discharging opening 124 for causing cleaning chamber 12 after sewage discharge The discharge otch 206 of 10 sets of plunger is relative, and the material after cleaning is discharged.

In one embodiment of the present utility model, it is preferable that as shown in figure 17, agitating device 30 includes blower fan 306, wind Machine 306 is located at the outside of cleaning chamber 12；With airduct 308, one end of airduct 308 is connected with blower fan 306；Wherein, cleaning chamber 12 are provided with wind pushing hole 126, and the other end of airduct 308 is connected with wind pushing hole 126, and the wind that blower fan 306 is produced, which is sent into, to be cleaned In cavity 12.

In this embodiment, material can be also cleaned using wind drive water, detailed process is explainable as follows：Work as cleaning chamber When charging aperture 122 on 12 is relative with the access aperture 202 on plunger bushing 20, the wind pushing hole 126 of the side of plunger 10, material is from entrance Hole 202 enters cleaning chamber 12, and water and material roll under wind-force effect, reach the purpose of cleaning material.Complete cleaning action Afterwards, it is out-of-blast, promote plunger 10 to move and cause cleaning chamber 12 relative with mudhole 204, sewage is discharged into cleaning chamber 12, Promotion plunger 10 moves the discharging opening 124 for causing cleaning chamber 12 after sewage discharge and the discharge otch 206 of plunger bushing 20 is relative, By the material discharge after cleaning.

In one embodiment of the present utility model, it is preferable that agitating device 30 also includes impeller, impeller is rotatably set On splash bar 304 inside cleaning chamber 12 or at wind pushing hole 126, splash bar 304 or the driving wheel rotation of blower fan 306 are clear to stir Washing material.

In this embodiment, on the one hand, impeller is set in the end of splash bar 304, motor driving splash bar 304 is rotated and then band Dynamic wheel rotation；On the one hand, impeller, the wind produced by blower fan 306 are set at the wind pushing hole 126 of the inside of cleaning chamber 12 Driving wheel rotation carrys out stirring and washing material.Both the above structure, by impeller can make material easily roll or rolling degree more Greatly, cleaning performance is more preferably.

In one embodiment of the present utility model, it is preferable that as shown in Figure 18 to Figure 26, in addition to seal 60, fill out Fill between plunger 10 and plunger bushing 20 to be sealed to cleaning chamber 12.

In this embodiment, the plunger 10 of material cleaning device 2 has been needed close between the two in 20 sets of linear movements of plunger Sealing 60 ensure will not leak, because being loaded with material in plunger 10, blocked if conference is crossed in the gap between plunger 10 and plunger bushing 20 Granular material,, will as long as the crushed element of the seal 60 in motion has small part to squeeze into gap if gap is small Cause plunger 10 stuck, therefore, the size selection of seal 60 is suitable, to realize expected sealing effectiveness.

In one embodiment of the present utility model, it is preferable that as shown in Figure 18 and Figure 19, seal 60 is sealing ring, And the outside of cleaning chamber 12 is provided with the installation annular groove for accommodating seal 60.

In this embodiment, as shown in Figure 21 to 26, according to the sealing of specific implementation situation selection suitable shape and specification Circle is sealed.Using circular cross-section sealing ring when, the section of its mounting groove may be configured as square shape, between the two up and down Having space is used for sealing ring compression.Its multi-stage sealed mode is simple, only need to use several identical sealing rings, right Multiple mounting grooves should be set on plunger 10, have flange using both sides, centre is waveform or the sealing ring of V-arrangement, sealing Enclosing two side flanges is used to position, and is assembled to the two sides after plunger 10 less than the face of plunger 10, the part of centre protrusion is used to seal, Corrugated structure can form multi-stage sealed, receive and be pressed against contract.

In one embodiment of the present utility model, it is preferable that as shown in figure 29, access aperture 202 includes the He of inlet opening 222 Charging hole 224, is cleaned so that the liquid material and solid material in material are entered by inlet opening 222 and charging hole 224 respectively In cavity 12.

In this embodiment, liquid material and solid material all can enter cleaning chamber 12 by access aperture 202, i.e., only set An entrance for entering cleaning chamber 12 for material is put, selectively, inlet opening 222 and charging hole 224 also can be respectively set, made Liquid material and solid material respectively enter material cleaning chamber 12, are easy to the entrance of control material, make liquid material and solid-state Material is isolated, it is to avoid different material is mixed into the possibility in untapped material.

In one embodiment of the present utility model, it is preferable that plunger 10 is regular shape or irregular shape.

In this embodiment, plunger 10 can be designed as then shape or irregular shape according to demand.

In one embodiment of the present utility model, it is preferable that as shown in Figure 27 and Figure 28, plunger 10 is cylindrical type plunger 10 or prismatic plunger 10.

In this embodiment, cylindrical plunger 10 and prismatic plunger 10 are easy to sealing, easily manufactured and installed, and Space can be achieved under length, height and the width conditions of restriction to maximize, the requirement of miniaturized structure can be more met.

In one embodiment of the present utility model, it is preferable that as shown in figure 27, the seamed edge of prismatic plunger 10 is chamfering Or rounding corner structure.

In this embodiment, the seamed edge of prismatic plunger 10 is set to chamfering or the structure of rounding, be on the one hand easy to Ring set is sealed in the periphery of plunger 10, on the other hand also makes product design attractive in appearance, and using safer, is installed More facilitate.

In one embodiment of the present utility model, it is preferable that as shown in figure 28, cylindrical type plunger 10 and plunger bushing 20 Relevant position is provided with the anti-rotational structure being engaged.

In this embodiment, when plunger 10 is when being shaped as cylindrical type, anti-rotational structure need to be set, so that plunger 10 enters Material mouth 122 and discharging opening 124 can be connected with the access aperture 202 of plunger bushing 20, mudhole 204 and discharge otch 206, it is ensured that be entered Material, blowdown and discharging process it is smooth.

In one embodiment of the present utility model, it is preferable that anti-rotational structure is stopper slot and matched with stopper slot Spacing preiection, one of plunger 10 and plunger bushing 20 upper to set stopper slot, another upper setting spacing preiection.

In this embodiment, set stopper slot and spacing preiection to carry out spacing, make the charging aperture 122 and discharging opening of plunger 10 124 can connect with the access aperture 202 of 10 sets of plunger, mudhole 204 and discharge otch 206, realize charging, blowdown and discharge mistake Journey.

Another embodiment of the utility model provides a kind of cooking apparatus, including：Pot and above-mentioned first aspect are implemented Cover assembly 1 in example described in any embodiment, pot 90 surrounds with cover assembly 1 and encloses cooking cavity 902.Because of cooking pot Tool is provided with the cover assembly 1 described in any of the above-described embodiment, so that whole beneficial effects with above-mentioned cover assembly 1, This is repeated no more.

In one embodiment of the present utility model, it is preferable that as shown in figure 29, in addition to sewage pipe 506, sewage pipe 506 one end are connected with the access aperture 504 of sewage pipe 506 on feculence box 50；Sump 508, the other end of sewage pipe 506 stretches into dirt In tank 508, the sewage in institute's feculence box 50 is drained into sump 508 by sewage pipe 506.

In this embodiment, by setting sump 508, the sewage in feculence box 50 is directly guided in sump 508, The volume of sewage is increased, cooking process is simplified, user improves user's body without often dismantling the effluent sewerage of feculence box 50 Test.

In one embodiment of the present utility model, it is preferable that cooking apparatus be electric cooker, electric pressure cooking saucepan, electric cooking pot or Electric steamer.

In this embodiment, cooking apparatus is preferred but is not limited to electric cooker, electric pressure cooking saucepan, electric cooking pot or electric steamer.

Specifically, as shown in figure 29, included according to the cooking apparatus of embodiment of the present utility model：Pot 90, cooking cavity Room 902, rice bucket (storage device 80), rice valve (inlet valve 802), the first blower fan 804, wind shuttle 806, airduct (feed lines 808), The rice-entering port 224 of plunger bushing 20 is connected to, constitute automatic cooker send a meter system；Tap (liquid source 70), water inlet pipe 704, Water intaking valve 702, is connected to the water inlet 222 of plunger bushing 20, constitutes the water inlet system of automatic cooker；Second blower fan 306, airduct 308 are connected to the air inlet 126 of plunger 10, and the washing rice system of automatic cooker is together constituted with washing a meter chamber (cleaning chamber 12). A meter chamber (cleaning chamber 12) is washed, the mudhole 204 of the bottom of plunger bushing 20, feculence box 50, sewage pipe 506, sump 508 is constituted The sewage drainage system of automatic cooker.Wash a meter chamber (cleaning chamber 12), 20 lower meters of otch of plunger bushing 206, material cleaning device 2 is set There is pot (pot) in lower metre hole, rice cooker to constitute the lower rice sewerage of automatic cooker.

As shown in Figures 9 and 10, when plunger 10 is in position (i.e. the first predeterminated position), plunger 10 and plunger bushing 20 are constituted One is washed a meter chamber (cleaning chamber 12).Start stirring motor 302, material rolls under the agitation of splash bar 304, reaches cleaning materials The purpose of material；Or wind pushing hole 126 of the wind through the side of plunger 10, into a meter chamber (cleaning chamber 12) is washed, rice and water are put through plunger 10 Rice-entering port (charging hole 224), water inlet (inlet opening 222) enters intracavitary.Wind drives water and rice rolling, reaches and washes a meter purpose.

As shown in figures 11 and 13, when plunger 10 is in position (i.e. the second predeterminated position), the Kong Yuzhu below plunger 10 Mudhole 204 below plug sleeve 20 is overlapped, and sewage is discharged to feculence box 50 from mudhole 204, reaches blowdown purpose.

As shown in FIG. 14 and 15, when plunger 10 is in position (i.e. the 3rd predeterminated position), the Kong Yuzhu below plunger 10 Otch below plug sleeve 20 is overlapped, and rice and water come out from otch, into rice cooker in pot (pot), reach lower rice, lower water to rice cooker The purpose of interior pot (pot).

In the utility model, term " first ", " second ", " the 3rd " are only used for the purpose of description, and it is not intended that Indicate or imply relative importance；Term " multiple " then refers to two or more, unless otherwise clear and definite restriction.Term " peace The term such as dress ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected, can also It is to be detachably connected, or is integrally connected；" connected " can be joined directly together, and can also be indirectly connected to by intermediary.It is right For one of ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing as the case may be Justice.

In description of the present utility model, it is to be understood that term " on ", " under ", "left", "right", "front", "rear" etc. refer to The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and Simplify description, rather than indicate or imply that the device or unit of meaning there must be specific direction, with specific azimuth configuration And operation, it is thus impossible to be interpreted as to limitation of the present utility model.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that combining the embodiment or specific features, structure, material or the feature of example description is contained in of the present utility model at least one In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or examples In combine in an appropriate manner.

Preferred embodiment of the present utility model is these are only, the utility model is not limited to, for this area Technical staff for, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within, Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.

Claims (26)

1. a kind of cover assembly, it is characterised in that including：

Shell of top cover body；

Material cleaning device, for cleaning material, the material cleaning device is arranged on the shell of top cover body, and the material is clear Cleaning device is provided with mudhole；

Feculence box, the feculence box is arranged on the shell of top cover body, positioned at the lower section of the material cleaning device, the dirt collection Box has dirt collecting port, and the dirt collecting port is connected to collect the dirt after cleaning material with the mudhole；

Wherein, the feculence box can dismantle separation or coordinate and be assembled on the material cleaning device and/or the shell of top cover On body, the quantity of the mudhole is one or more.

2. cover assembly according to claim 1, it is characterised in that

The material cleaning device can dismantle separation or coordinate and be assembled on the shell of top cover body.

3. cover assembly according to claim 2, it is characterised in that

Slideway is provided with one in the feculence box and the material cleaning device, is provided with and the slideway on another Coordinate the sliding part of installation, so that the feculence box can dismantle to level twitch separation or cooperation is assembled in the material and cleaned On device；Or

Accommodation space is provided with the shell of top cover body, the side of the accommodation space is open otch, so that the feculence box Separation or engagement sleeves can be dismantled to level twitch loaded in the accommodation space.

4. cover assembly according to claim 3, it is characterised in that

The opposite side of the accommodation space is enclosed construction, when the feculence box is set in the accommodation space, the dirt collection One side end face of box is resisted against on the enclosed construction.

5. cover assembly according to claim 1, it is characterised in that

Position limiting structure is provided between the feculence box and the material cleaning device, the position limiting structure is used to control the collection The dirty box-packed specified location being located at below the material cleaning device.

6. cover assembly according to claim 5, it is characterised in that

The position limiting structure includes stopper slot and the spacing rib matched with the stopper slot, the feculence box and the shell of top cover The stopper slot is provided with one in body, the spacing rib, the stopper slot and the spacing rib are provided with another It is engaged so that the feculence box is installed in the specified location of the shell of top cover body.

7. cover assembly according to claim 6, it is characterised in that

Sewage pipe access aperture is provided with the side wall of the opening otch of the accommodation space on the feculence box, for by institute State the sewage discharge in feculence box.

8. cover assembly according to any one of claim 1 to 7, it is characterised in that the material cleaning device includes：

Plunger, with cleaning chamber, the cleaning chamber is provided with charging aperture and discharging opening；

Plunger bushing, is sheathed on the outside of the plunger, and the mudhole is arranged on the plunger bushing, and the plunger bushing is also set It is equipped with access aperture and discharge otch；With

Drive device, is connected with the plunger or the plunger bushing, and the drive device drives the plunger or the plunger bushing In one relative to another movement, make the plunger be in predeterminated position when, the access aperture is connected with the charging aperture, with Enter for material in the cleaning chamber, or the discharging opening is connected with the mudhole, so that dirt is discharged, or the discharging Mouth is connected with the discharge otch, so that the material is discharged.

9. cover assembly according to claim 8, it is characterised in that

The predeterminated position is one in the first predeterminated position, the second predeterminated position and the 3rd predeterminated position, the plunger bushing Passage is provided with, the plunger is in first predeterminated position, second predeterminated position and the 3rd predeterminated position When, the charging aperture is connected with the passage；

Wherein, when the plunger is in first predeterminated position, the access aperture and the charging aperture are overlapped, and the material enters Enter in the cleaning chamber, when the plunger is in second predeterminated position, the discharging opening is overlapped with the mudhole, institute State dirt discharge, and the plunger be in three predeterminated position when, the discharging opening with it is described discharge otch connect, it is described Material is discharged.

10. cover assembly according to claim 9, it is characterised in that the drive device includes：

Motor；With

Transmission mechanism, is connected with the motor, and is connected to the plunger or the plunger bushing, with drive the plunger and Relatively moved between the plunger bushing.

11. cover assembly according to claim 10, it is characterised in that

The transmission mechanism includes rack-and-pinion.

12. cover assembly according to claim 8, it is characterised in that the material cleaning device also includes：

Agitating device, is connected with the cleaning chamber, for the material described in stirring and washing in cleaning chamber.

13. cover assembly according to claim 12, it is characterised in that the agitating device includes：

Stirring motor, the stirring motor is located at the outside of the cleaning chamber, and with output shaft；With

Splash bar, the splash bar is in the cleaning chamber；

Wherein, the cleaning chamber has through hole, and the splash bar is connected to the output shaft, the stirring electricity by the through hole Machine drives the splash bar rotation to carry out material described in stirring and washing.

14. cover assembly according to claim 12, it is characterised in that the agitating device includes：

Blower fan, the blower fan is located at the outside of the cleaning chamber；With

Airduct, one end of the airduct is connected with the blower fan；

Wherein, the cleaning chamber is provided with wind pushing hole, and the other end of the airduct is connected with the wind pushing hole, by the wind The wind that machine is produced is sent into the cleaning chamber.

15. cover assembly according to claim 14, it is characterised in that the agitating device also includes：

Impeller, the impeller is rotatably disposed within the wind pushing hole inside the cleaning chamber, and the blower fan driving is described Wheel rotation is with material described in stirring and washing.

16. cover assembly according to claim 8, it is characterised in that the material cleaning device also includes:

Seal, is filled between the plunger and the plunger bushing to seal the cleaning chamber.

17. the cover assembly according to claim 16, it is characterised in that

The seal is sealing ring, and the outside of the cleaning chamber is provided with the installation annular groove for accommodating the seal.

18. cover assembly according to claim 8, it is characterised in that

The access aperture includes inlet opening and charging hole, so that the liquid material and solid material in the material pass through institute respectively State inlet opening and the charging hole enters in the cleaning chamber.

19. cover assembly according to claim 8, it is characterised in that

The plunger is regular shape or irregular shape.

20. cover assembly according to claim 8, it is characterised in that

The plunger is cylindrical type plunger or prismatic plunger.

21. cover assembly according to claim 20, it is characterised in that

The seamed edge of the prismatic plunger is chamfering or rounding corner structure.

22. cover assembly according to claim 20, it is characterised in that

The relevant position of the cylindrical type plunger and the plunger bushing is provided with the anti-rotational structure being engaged.

23. cover assembly according to claim 22, it is characterised in that

The anti-rotational structure is stopper slot and the spacing preiection that matches with the stopper slot, the plunger and the plunger bushing One it is upper the stopper slot is set, another upper described spacing preiection of setting.

24. a kind of cooking apparatus, it is characterised in that including：

Pot；And

Cover assembly as any one of claim 1 to 23.

25. cooking apparatus according to claim 24, it is characterised in that also include:

Sewage pipe, described sewage pipe one end is connected with the sewage pipe access aperture on the feculence box；

Sump, the sewage pipe other end is stretched into the sump, and the sewage in the feculence box is discharged into by sewage pipe Into the sump.

26. cooking apparatus according to claim 24, it is characterised in that

The cooking apparatus is one kind in electric cooker, electric pressure cooking saucepan, electric cooking pot or electric steamer.