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WO2020215934A1 - 密封防臭自动垃圾桶 - Google Patents

密封防臭自动垃圾桶 Download PDF

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Publication number
WO2020215934A1
WO2020215934A1 PCT/CN2020/080117 CN2020080117W WO2020215934A1 WO 2020215934 A1 WO2020215934 A1 WO 2020215934A1 CN 2020080117 W CN2020080117 W CN 2020080117W WO 2020215934 A1 WO2020215934 A1 WO 2020215934A1
Authority
WO
WIPO (PCT)
Prior art keywords
bag
garbage
trash
sealed
automatic
Prior art date
Application number
PCT/CN2020/080117
Other languages
English (en)
French (fr)
Inventor
李君�
Original Assignee
杭州祺来电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 杭州祺来电子有限公司 filed Critical 杭州祺来电子有限公司
Publication of WO2020215934A1 publication Critical patent/WO2020215934A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/04—Refuse receptacles; Accessories therefor with removable inserts
    • B65F1/06—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F1/16—Lids or covers

Definitions

  • the invention relates to a sealed and deodorant automatic trash can.
  • disposable diapers are convenient for the majority of baby caregivers and eliminates the trouble and unsanitary of washing traditional diapers, but the disposal of waste diapers also brings new problems.
  • used disposable diapers are usually temporarily stored in an indoor trash can, and then dumped outdoors. Because used diapers have odor and are prone to bacteria, there has been a sealed trash can specially used for indoor temporary storage of diapers, which has a sealed and odor-resistant function to prevent the odor from leaking out of the bucket. It is also called a diaper bucket.
  • a deodorant trash can including a barrel body and a lid.
  • the lid also includes a spherical container with an opening.
  • the handle is fixedly connected, the lid is provided with an opening that coincides with the opening of the spherical container, and the inside of the opening of the lid is also provided with a ball holder that matches the outer surface of the spherical container.
  • the above-mentioned diaper barrel products have made many improvements in improving the sealing performance and preventing the leakage of odor, but they are not yet satisfactory in improving the convenience of use of the diaper barrel.
  • the actions usually include opening the lid of the bucket, unfastening the buckle of the bag mouth, closing the mouth of the bag and lifting the garbage bag, twisting and tightening the knot and putting it aside, holding it in advance or running to get a new garbage bag,
  • the new trash bag is placed in the trash can by rolling up the sides and closing the lid. The whole process lasted two or three minutes.
  • the diaper bucket is basically handled every day. It is a high-frequency action and usually smells and is unsanitary. Baby-raising itself is already a hard task, and the airtight trash can with automatic packing, sealing and automatic bag change, which is more convenient and hygienic to use, is attractive to baby-carers.
  • CN106927168A and other patent documents adopt ring-shaped garbage bag tube materials.
  • a blower placed at the bottom of the barrel is used to generate negative pressure in the garbage can, and new garbage bags are sucked into the barrel to complete the replacement of new bags.
  • the movement mechanism realizes bag sealing and bag cutting, and realizes a relatively simple structure of a fully automatic trash can, which can complete automatic trash bag sealing and packing and new bag change bagging, making the trash can with automatic sealing and automatic bag change practical. stage.
  • this type of automatic trash can is usually simply covered with a cover that can be opened and closed automatically, and has no sealing and deodorizing function. When throwing trash into the bin, the cover is opened, and the contents of the trash bin are completely exposed in front of the user, so that peculiar smell and bacteria are emitted. Even if the cover plate is automatically closed afterwards, the gap between the cover plate and the barrel mouth can still cause odors and bacteria to leak out.
  • the purpose of the present invention is to provide a sealed and deodorant automatic trash can, which not only has good sealing and deodorization effects, but also has the functions of automatic packing and sealing and automatic bag change of trash bags.
  • a sealed and odor-resistant automatic trash can including a barrel body, a lid and a cover plate.
  • the lid is provided with a garbage bag storage device and a garbage bag sealing device, the cover plate and The space inside the bag is formed between the garbage bags; the space outside the bag is formed between the barrel and the garbage bag, and also includes a garbage transfer room.
  • the garbage transfer room includes a bottom plate that can be opened and closed.
  • the garbage bag is sealed, the bottom plate, the cover plate and the inner side wall of the garbage bag storage device constitute a garbage transfer chamber, and the barrel body or the lid is also provided with an automatic garbage bag feeding device.
  • the area below the bottom plate becomes a sealed garbage containment area, and it is also an area sealed by the bottom plate, which has the effect of sealing and deodorizing.
  • the cover is opened first, and the cover is closed after the garbage enters the garbage transfer room , Then open the bottom of the transfer room, drop the discarded garbage into the garbage containment area, and close the bottom of the garbage transfer room, the discarded garbage is sealed in the garbage containment area, at the same time, the trash can is automatically entered through the garbage bag sealing device and the garbage bag.
  • the bag device can realize the functions of automatic packing and sealing and automatic replacement of garbage bags.
  • the automatic garbage bag feeding device is a fan air pressure feeding device provided on the barrel.
  • the automatic garbage bag feeding device is a roller bag feeding device arranged on the lid of the bucket.
  • the lid or the cover plate is provided with an air passage communicating with the space in the bag, and the air passage is connected with a blower.
  • the blower inflates the space in the bag, the cover plate and The lid is closed. In this way, the area between the unpaved garbage bag and the cover is inflated to generate air pressure, which can push the garbage bag out of the garbage bag storage device and lay it all the way to the bottom of the bucket.
  • a two-choice air valve for inflating or exhausting the garbage bag is arranged between the air passage and the blower.
  • the air passage can be controllably switched between the air inlet and the air outlet of the blower. After the bag is laid, the space in the bag can be evacuated to flatten the garbage bag, which can reduce the waste from the garbage receiving area to the garbage when receiving garbage Polluted air in the transfer room to further reduce odor leakage.
  • the air outlet of the blower is provided with a one-way valve.
  • the one-way valve is closed, which prevents the odor in the trash can from leaking from the air passage.
  • the airflow of the blower opens the one-way valve when entering the bag, which does not affect the blower to inflate the new garbage bag.
  • the air inlet of the blower is in communication with the space outside the bag.
  • the air inlet is connected with the space outside the bag, so that the air blower can draw air from the space outside the bag to form a negative pressure.
  • the negative pressure causes the garbage bag to expand toward the bottom of the barrel.
  • the air blower inflates the space inside the bag to form a positive pressure. The function makes the garbage bag unfold to the bottom of the barrel.
  • the bottom plate capable of opening and closing includes two bag-gathering crossbars slidably arranged on opposite sides of the lid, the two bag-gathering crossbars are respectively connected with a bottom support member, and one side of the bottom support member It is connected with the crossbar of the sack, and the other side of the bottom support is connected with the lid or the barrel body.
  • the bottom support is a flexible board, which includes a plurality of elongated plates, and adjacent plates are hinged.
  • the flexible board can move back and forth on the lid, thereby realizing the opening and closing of the bottom plate.
  • the contact surfaces of the two bag-holding bars are provided with matching steps.
  • the steps on the bag-gathering bars are in staggered contact, which can achieve a better compression and sealing effect on the garbage bag.
  • the bag-holding crossbar is made into two layers, one layer is set on the heat-sealed crossbar, and the other is set on the Under the heat-sealed cross bars, one of the bag holding cross bars in one layer is connected with the bottom support.
  • the clamping and sealing effect of the plastic film and the folding and fixing effect of the plastic film are further improved, and the reliability of the heat sealing of the plastic film by the heat sealing crossbar is improved.
  • elastic strips are provided on the steps of the cross plate of the bag.
  • the plastic film of the garbage bag will slide between the plastic film of the garbage bag and the horizontal bar of the bag when the bag is gathered by the horizontal bar.
  • the sealing performance can be improved.
  • a deodorant is provided on the lower side of the cover plate. In this way, the air in the garbage transfer room can be purified to further deodorize.
  • the barrel body is provided with a side-opening door; or the barrel body is provided with a laterally drawn drawer.
  • this sealed trash can not only has the function of sealing and deodorization, but also has the function of automation.
  • the control circuit can control the trash bag sealing device to automatically seal and pack the trash bags, and then automatically put them into the bags and spread the bags. Therefore, when the user uses the sealed trash can, he only needs to throw in the trash and take out the packed trash bag without other actions, which saves time and effort and is more hygienic.
  • Figure 1 is a schematic side view of the structure when the crossbar of the sealed automatic trash can is closed;
  • Figure 2 is a top view of the closing and sealing device when the crossbar of the sealed automatic trash can is closed;
  • Figure 3 is a schematic side view of the structure when the crossbar of the sealed automatic trash can is opened;
  • Figure 4 is a top view of the closing and sealing device when the crossbar of the sealed automatic trash can is opened;
  • Figure 5 is a schematic diagram of the steps of the joint surface of the single-layer bag crossbar
  • Figure 6 is a schematic diagram of the steps and elastic strips on the joint surface of the double-layer bag crossbar
  • Figure 7 is a top view of the closing and sealing device in a packaged and sealed state
  • Figure 8 is a schematic diagram of the sealed automatic garbage can when the lid is opened to take garbage
  • Figure 9 is a schematic diagram of the sealed automatic trash can when the side door is opened to take trash
  • Figure 10 is a schematic diagram of the sealed automatic trash can when the side drawer is opened to take trash
  • Figure 11 is a schematic diagram of the sealed automatic trash can when the bottom is sucked into the bag
  • Figure 12 is a schematic diagram of the sealed automatic trash can when inflated into the bag
  • Figure 13 is a schematic diagram of the sealed automatic trash can after being put into the bag and then sucking air from the bag.
  • this embodiment discloses a sealed and deodorant automatic trash can, which includes a body 1 and a lid 2.
  • the upper mouth of the lid 2 is used as a garbage disposal inlet, and a cover plate 3 is provided on the lid 2.
  • a garbage bag storage device 4 is provided, a garbage bag sealing device 5 is provided under the garbage bag storage device 4, and the barrel 1 or lid 2 is also provided with an automatic garbage bag feeding device.
  • the automatic garbage bag feeding device includes a fan air pressure feeding device, a roller feeding device or other automatic bag feeding methods.
  • the roller bag feeding device refers to the Chinese patent application number 201920107635X.
  • the garbage bag sealing device 5 and the garbage bag feeding device are controlled by the control circuit 6 and powered by the power supply 7 to realize the functions of automatic packing and sealing and automatic bag changing.
  • a garbage transfer room 8 is provided.
  • the garbage transfer room 8 contains a bottom panel that can be opened and closed. When the bottom panel is closed, the garbage bags are folded to seal the garbage bags.
  • the bottom panel, the cover 3 and the inner side wall of the garbage bag storage device 4 It constitutes a garbage transfer room 8.
  • the opening and closing bottom plate can clamp the garbage bag, so that the area below the bottom plate becomes a sealed garbage receiving area 9.
  • the garbage bag sealing device 5 includes a pair of Y-direction bag gathering crossbars 501 and a pair of X-direction heat-sealing crossbars 502. Both ends of the bag-gathering cross bar 501 and the heat-sealing cross bar 502 are slidably arranged on corresponding rails on the lid 2 and can be moved along the rails under the driving of a driving mechanism.
  • the rails of the Y-direction bag-gathering crossbar 501 are arranged on the left and right sides of the bucket cover 2, and the bag-gathering crossbar 501 can move back and forth.
  • the rails of the X-direction heat-sealing cross bar 502 are arranged on the front side and the back side of the barrel cover 2, so that the heat-sealing cross bar 502 can move left and right.
  • the two Y-direction bag-gathering crossbars 501 are respectively connected with a bottom support piece, one side of the bottom support piece is connected with the bag-gathering crossbar 501, and the other end of the bottom support piece is connected with the lid 2 or the barrel 1, and the bottom support piece It is a flexible plate 503, and the bottom support can also be a roller blind.
  • the flexible plate 503 is formed by rotatably hingedly connecting long strips with sufficient rigidity, which is rigid in the left-right direction and flexible in the front-rear direction.
  • the middle part of the groove 504 is parallel to the track of the cross bar 501, and when approaching the front and rear side plates 201 of the lid 2, it gradually and smoothly bends upward and extends to It is parallel to the front and rear side plates 201.
  • the left and right sides of the flexible board 503 are slidably embedded in the groove 504, so that the groove 504 serves as a sliding rail of the flexible board 503.
  • the flexible plate 503 can move forwards and backwards along the groove 504 and bends upwards near the front and rear side plates 201 of the lid 2 so that the flexible plate 503 is placed between the garbage bag storage device 4 and the front and rear side plates 201 of the lid 2. space.
  • the garbage bag infeed device After the garbage bag infeed device lays the garbage bags in the bucket, when the driving mechanism moves the two bagging crossbars 501 toward each other until they are in close contact, the garbage bag plastic film 401 is compressed and closed at the bagging crossbar 501. Divide the garbage bag into two areas. The area above the bag rail 501 is the garbage transfer room 8. The area below the bag-gathering bar 501 is the garbage containment area 9, which is also the area sealed by the bag-gathering bar 501, which has the effect of sealing and deodorizing. A complete platform without holes is formed by two bag-holding bars 501 and two flexible plates 503 connected to the bag-holding bars 501. This platform and the inner side wall of the garbage bag storage device 4 and the cover plate 3 constitute garbage Transfer room 8. The said platform becomes the floor of the garbage transfer room 8 which can be opened and closed.
  • the bottom plate of the garbage transfer chamber 8 is closed, and the garbage bag is clamped.
  • the side view of the garbage bag is shown in Figure 1, and the top view of the garbage bag sealing device 5 is shown in Figure 2.
  • the two heat-sealing cross bars 502 are in a side position, the two bagging cross bars 501 are in close contact, and the garbage receiving area 9 is in a sealed state.
  • the cover 3 is driven by a driving mechanism and can be opened and closed automatically.
  • the cover 3 When the user throws garbage, especially diapers, into the bucket, the cover 3 is opened first, and the thrown garbage enters the garbage transfer room 8 and is temporarily kept in it.
  • the garbage that was thrown in earlier is in the garbage holding area 9 and is sealed by the bagging bar 501.
  • the control circuit 6 moves the two bagging cross bars 501 back to the two ends of the track, and the flexible board 503 also moves, and the garbage transfer room 8
  • the bottom plate is fully opened, as shown in Figure 3, the garbage that is just thrown into the garbage transfer room 8 is dropped into the garbage receiving area 9.
  • the top view of the garbage bag sealing device 5 at this time is shown in FIG. 4.
  • the control circuit 6 moves the two bagging crossbars 501 toward each other until they are in close contact. 9 is closed again and returns to the state shown in Figure 1.
  • the time for the entrance of the garbage holding area 9 to be opened is very short. In this way, the sealed and deodorized automatic trash can completes an operation of receiving garbage, and waits for the user to throw in the garbage next time.
  • the garbage in the garbage containing area 9 is not directly exposed to the outside of the bucket, thereby achieving the function of sealing and deodorizing.
  • a deodorant 301 is provided on the lower side of the cover plate 3, which can purify the air in the garbage transfer room 8 and play a role of further deodorization.
  • a part of the cover plate 3 should extend into the mouth of the bucket so that its outer side and the inner side of the mouth of the bucket are in close contact with each other as much as possible to reduce the gap, so as to reduce air leakage from the garbage transfer chamber 8 just after the garbage receiving operation is completed.
  • the contact surfaces of the two bagging cross bars 501 may be provided with steps, and they are in staggered contact when they are close to achieve a better compression and sealing effect on the plastic film 401 of the garbage bag.
  • the two bag holding cross bars 501 can be made into upper and lower layers, one layer is above the heat sealing cross bar 502, and the other layer is under the heat sealing cross bar 502, in addition to further improvement
  • the folding and fixing effect of the plastic film can also be improved, and the reliability of the heat sealing of the plastic film by the heat sealing cross bar 502 can be improved.
  • An elastic strip 508 can be provided on the retracted surface of the step.
  • the bag gathering rod 501 gathers the bag, there will be sliding between the plastic film of the garbage bag and the bag gathering rod 501, and the protruding part 509 of the bag gathering rod 501 contacts the plastic
  • the friction between the film and the plastic film is relatively small, and the plastic film can slide freely.
  • the plastic film is pressed by the elastic strip 508 to further improve the sealing performance.
  • the use of the flexible board 503 makes the bottom plate of the garbage transfer room 8 smooth and flat when closed, and will not hook into the garbage sharp corners and the plastic film of garbage bags in the garbage transfer room 8 when opened, so that the bagging rail 501 and the garbage transfer
  • the opening and closing of the bottom plate of the chamber 8 is more reliable. Flexible folding also reduces the space occupied by the movable floor.
  • the garbage bags need to be packed and sealed.
  • the user can issue a packaging and sealing instruction to the control circuit 6.
  • the control circuit 6 first moves the clamped crossbar 501 back for a certain distance, so that the two crossbars 501 are separated from the clamped state and separated by a few centimeters. This distance is used as the width of the heat-sealed garbage bag plastic film. ; Then the control circuit 6 controls the heat-sealing crossbar 502 to move toward each other until the plastic film 401 is clamped, and a certain pressure is applied.
  • FIG. 7 The top view of the garbage bag sealing device 5 at this time is shown in FIG. 7.
  • one of the heat-sealed cross-bars 502 is provided with an electric heating wire, and the other heat-sealed cross-bar 502 is provided with an elastic body.
  • the control circuit 6 energizes the heating wire to generate heat, and maintains it for a certain period of time.
  • the filled old bag that is, the garbage containing area 9 is sealed
  • the new bag to be used above is sealed
  • the old bag and the new bag are cut off.
  • the control circuit 6 moves the bag holding crossbar 501 and the heat-sealing crossbar 502 backwards until they are close to the wall of the barrel, which becomes the state shown in FIG. 4.
  • a hinge 203 and a buckle 204 are provided between the lid 2 and the barrel 1.
  • the control circuit 6 sends out a prompt signal that the packing is completed, and the user can unlock the buckle 204, lift the entire lid 2, and take out the old garbage bag after packing and sealing, as shown in FIG.
  • the front side of the bottom of the bucket body 1 can be provided with a foot pedal 101, and can also be provided with an anti-tilting support 102 on the back side, which can prevent the trash can from tipping over when the lid 2 is lifted.
  • the barrel 1 is provided with a side opening door 103, and the user can take out the packed garbage bag by opening the side opening door 103, as shown in FIG. 9.
  • the whole body 1 is provided with a drawer 104 that can be drawn out laterally. The garbage bag is placed in the drawer 104, and the user can pull the drawer 104 to take out the packed garbage bag, as shown in FIG. 10.
  • the lid 2, side opening door 103, and drawer 104 may be equipped with corresponding position sensors, so that the control circuit 6 can sense its opening and closing status, and a sensor for detecting the presence or absence of garbage bags in the barrel may also be provided. Therefore, after the user takes out the old garbage bag and closes the lid 2 or the side opening door 103 or drawer 104, the control circuit 6 checks the above sensors to confirm that the old garbage bag has been removed and the lid 2 or side opening door 103 or drawer 104 Has been closed, it enters the bag-in and bag-laying operation.
  • the lid 2, the side opening door 103, and the drawer 104 in the above embodiment can all be driven by a driving mechanism, and can be automatically opened or closed under the control of the control circuit 6.
  • the control circuit 6 can automatically open the lid 2 or side-opening door 103 or drawer 104, and cyclically query the sensor for detecting whether there are garbage bags in the bucket. When it senses that the old garbage bags in the bucket have been removed, it will automatically Close the lid 2 or open the side door 103 or drawer 104, and then enter the bag-in and bag-laying operation.
  • the bag inlet device of this embodiment is an exhaust fan 10 at the bottom of the barrel 1, and the exhaust fan 10 is installed on the through hole 105 at the bottom of the barrel 1, as shown in FIG. 11.
  • the bottom of the plastic film 401 of the garbage bag to be used is in the area of the lid 2 of the bucket, and the garbage bag needs to be put into the bottom of the bucket 1 before it can be used.
  • the trash bag plastic film 401 is installed in the trash bag storage device 4 in a close fit, and the trash bag storage device 4 is usually integrated with the lid 2 of the trash bag. Therefore, it can be seen between the plastic film 401 of the trash bag and the lid 2 There is no leak path.
  • the joint 106 between the lid 2 and the barrel 1 is closely matched to reduce air leakage.
  • a sealing strip may be provided at the joint 106.
  • the control circuit 6 controls to open or partially open the cover 3, and at the same time to rotate the exhaust fan 10 to exhaust the air in the space 107, and it will The space 107 generates negative pressure.
  • This negative pressure acts on the plastic film 401 of the garbage bag to generate downward pressure.
  • the fan 10 is reasonably selected to generate sufficient negative pressure, and sufficient downward pressure will be generated on the plastic film 401 of the garbage bag, and the plastic film 401 of the garbage bag will be pulled out of the garbage bag storage device 4 and introduced to the bottom of the barrel 1.
  • a sensor for detecting the presence or absence of a garbage bag can be installed in the bottom area of the bucket, which can send a signal to the control circuit 6 when the garbage bag reaches the bottom of the bucket, and the control circuit 6 then turns off the fan 10, the bag is completed, and the garbage bag is as shown in Figure 3. status.
  • the inner space of the bag is formed between the cover plate 3 and the garbage bag; the outer space of the bag is formed between the barrel 1 and the garbage bag, and the bag feeding device is placed on the upper part of the barrel 1 or the lid
  • the blower 10A in 2 has an air passage 205 connected to the space in the bag on the side wall of the lid 2.
  • the air passage 205 is connected to the air outlet of the blower 10A through a hose.
  • the cover plate 3 When the upper end of the hook 206 extends into the hole 302 of the side wall of the cover plate 3, the cover plate 3 cannot be turned outwards and can withstand a certain pressure. Usually the hook 206 is bounced to the outside by the spring, the cover 3 will not be locked and can be driven by the driving mechanism to open and close freely.
  • the electromagnet 207 drives the hook to lock the cover 3. If the cover plate 3 and the barrel cover 2 are closely matched, and there is no air leakage channel between the garbage bag plastic film 401 and the barrel cover 2, the only air channel between the space 208 and the outside is the air channel 205.
  • the air duct 205 is connected to the air outlet of the blower 10A.
  • the garbage bag After the bag is completed, the garbage bag will be as shown in Figure 3. status. After entering the bag, the lid 2 of the bucket is unlocked and the user can throw garbage into the bucket at any time.
  • a one-way valve 209 may be provided on the air passage after the outlet of the blower 10A, as shown in FIG. 12. Normally, the one-way valve 209 is closed, which prevents the gas in the garbage transfer chamber 8 from leaking from the air passage 205.
  • the air flow of the blower 10A opens the one-way valve 209 when entering the bag, which does not affect the air blower 10A to inflate the space 208.
  • the bottom of the barrel body 1 is provided with a vent 105, which allows the air in the barrel to be smoothly discharged when the bag is inserted.
  • the air inlet of the blower 10A is in communication with the space outside the bag, so that the blower 10A sucks air from the space outside the bag to form a negative pressure.
  • the positive pressure causes the garbage bag to expand toward the bottom of the barrel 1.
  • the control circuit 6 can drive the bag-gathering crossbar 501 to move toward each other to clamp the trash bag, so that the trash can returns to the state of FIG. It is also possible to wait for the cover 3 to be opened and closed for the first time after the bagging is completed, that is, after the newly laid garbage bag is thrown into the first garbage, the bagging crossbar 501 is driven to move and clamp the garbage bag. Close the garbage holding area 9.
  • the garbage bag storage device 4 is equipped with a circular-packed plastic film tube of garbage bags, and the circular-packed plastic film tube is a long tube or a long tube of plastic film, which is packaged in a circular or similar circular packaging box Inside, one end of it is drawn out from the circumferential opening provided in the packaging box and sealed as the bottom of the first garbage bag, and the inner hole of the circular packaging box is the garbage inlet. Its length is usually from a few meters to tens of meters, which is equivalent to the length of dozens of garbage bags and can be used dozens of times.
  • the plastic film is used up, the user can open the cover 3 to load a new garbage bag plastic film tube into the garbage bag storage device 4.
  • the plastic film After the air pressure is used to enter the bag, the plastic film is basically attached to the barrel wall, and the garbage bag is filled with air. After the first contaminated garbage is loaded, the air in the garbage holding area 9 is gradually polluted. Every time a piece of garbage is thrown in, there will be polluted air equivalent to the volume of the garbage from the garbage holding area 9 into the garbage transfer room. 8. Toward the main source of polluted air leaking from the barrel mouth to the outside of the barrel. If every time garbage is dropped from the garbage transfer room 8 to the garbage storage area 9, the air from the garbage storage area 9 to the garbage transfer room 8 can be reduced as much as possible, and the deodorization effect of the garbage can can be further improved.
  • a controllable two-to-one air valve 210 may be provided on the air passage 205, which is respectively connected to the air outlet and the air inlet of the blower 10A.
  • the air duct 205 can be controllably switched between the air inlet and the air outlet of the blower 10A. After the bag is laid, the space in the bag can be evacuated to squash the garbage bag, thereby reducing running away from the garbage receiving area when receiving garbage. The polluted air to the garbage transfer room 8 can further reduce the leakage of peculiar smell.
  • the air passage 205 communicates with the air outlet of the blower 10A, and the air inlet of the blower 10A is open.
  • the control circuit 6 controls the two-choice air valve 210, so that the air passage 205 communicates with the air inlet of the blower 10A, and the air outlet of the blower 10A is opened.
  • the blower 10A is started, air can be drawn from the garbage bag to the outside of the bucket, and then laid Good garbage bags will shrink, as shown in Figure 13.
  • the crossbar 501 is clamped to close the garbage containing area 9, so the garbage containing area 9 is also shrunk together, and its volume is in a minimum state, and there is little internal air.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refuse Receptacles (AREA)

Abstract

一种密封防臭自动垃圾桶，包括桶体（1）、桶盖（2）以及盖板（3），桶盖（2）上设有垃圾袋存储装置（4）和垃圾袋封口装置（5），还包括垃圾中转室（8），垃圾中转室（8）包括能够实现开合的底板，底板、盖板（3）以及垃圾袋存储装置（4）的内侧壁构成垃圾中转室（8），桶体（1）或者桶盖（2）上还设有垃圾袋自动进袋装置。底板以下区域成为密封的垃圾容纳区域，垃圾桶接收用户投入的垃圾时，先打开盖板（3），等垃圾进入垃圾中转室（8）后合上盖板（3），然后打开垃圾中转室底板，所扔垃圾掉入垃圾容纳区域，再合上中转室底板，所扔垃圾就被密封在垃圾容纳区域，同时，该垃圾桶通过垃圾袋封口装置和垃圾袋自动进袋装置可以实现自动打包封口和自动更换垃圾袋的功能。

Description

密封防臭自动垃圾桶 技术领域
本发明涉及一种密封防臭自动垃圾桶。
 背景技术
一次性尿布的使用方便了广大育婴者，免去了洗晒传统尿布的麻烦和不卫生，但是废弃尿布的处置也带来新的问题。在家庭和育婴场所中，通常将用过的一次性尿布暂存于室内垃圾桶，随后再集中倾倒到室外。由于用过的尿布带有臭味并且容易滋生细菌，出现了专门用于室内暂存尿布的密封垃圾桶，具有密封防臭功能，可以防止桶内气味漏出，也称为尿布桶。
公开号为CN1931683、CN101016113、CN202754369、CN101346292等专利文献公开了一种防臭垃圾桶，包括桶体和桶盖，桶盖内还包括一个设有开口的球形容器，所述球形容器通过轴件与所述手柄固定连接，所述桶盖设有与所述球形容器的开口相吻合的开口，所述桶盖的开口内侧还设有与所述球形容器外表面相配合的托球支架。垃圾桶内投放垃圾时，无需打开桶盖，只需先将垃圾投放入球形容器内，再通过转动带动球形容器翻转，使球形容器内的垃圾落入桶体内。该垃圾桶在使用时，桶体内的垃圾始终与桶体外的空气隔绝，能有效防止桶体内的臭味向外扩散，除可用于存放普通生活垃圾外，更适宜于暂存臭味较重的腐败性垃圾或者使用后的婴儿尿布等。
上述的这些尿布桶产品在提高密封性和防止气味外漏上做了很多改进，然而在提高尿布桶使用方便性上尚不令人满意。尤其是垃圾袋打包换袋，其动作通常包括打开桶盖、解开袋口卡扣、收拢袋口提出垃圾袋、转圈拧紧打结放于一边、事先拿好或者跑去拿新垃圾袋、将新垃圾袋套于垃圾桶内桶卷好边、盖上桶盖等操作。整个过程历时两三分钟，为保持卫生基本上每天要处理尿布桶，是一个高频次的动作，并且通常有气味和不卫生。育婴本身已是一件辛苦的事，使用上更方便更卫生的具有自动打包封口自动换袋的密封垃圾桶对育婴者是有吸引力的。
CN106927168A等专利文献采用环形包装的垃圾袋筒料，用置于桶身底端的鼓风机在垃圾桶内产生负压，将新的垃圾袋吸入桶内，完成新袋换袋套袋，再加上水平运动机构实现封袋和切袋，实现了一个结构相对简洁的全自动垃圾桶，可以完成全自动的垃圾袋封口打包和新袋换袋套袋，使自动封口自动换袋的垃圾桶进入实用化阶段。然而此类自动垃圾桶通常以一个能自动开合的盖板做简单掩盖，并无密封防臭功能。在往桶内丢垃圾时，盖板打开，垃圾桶内容物完全暴露于用户面前，使异味和细菌向发散。即使随后盖板又自动合上，盖板和桶口间的缝隙仍可使异味和细菌等向外泄漏。
 技术问题
针对现有技术存在的不足，本发明的目的在于提供一种密封防臭自动垃圾桶，除具有良好的密封和防臭效果外，还具有对垃圾袋进行自动打包封口和自动换袋的功能。
 技术解决方案
为实现上述技术目的，本发明提供了如下技术方案：一种密封防臭自动垃圾桶，包括桶体、桶盖以及盖板，桶盖上设有垃圾袋存储装置和垃圾袋封口装置，盖板和垃圾袋之间形成袋内空间；桶体和垃圾袋之间形成袋外空间，还包括垃圾中转室，所述垃圾中转室包括能够实现开合的底板，所述底板闭合时将垃圾袋收拢进而将垃圾袋密封，底板、盖板以及垃圾袋存储装置的内侧壁构成垃圾中转室，所述桶体或者所述桶盖上还设有垃圾袋自动进袋装置。这样，底板以下区域成为密封的垃圾容纳区域，也是被底板密封的区域，具有密封防臭的效果，垃圾桶接收用户投入的垃圾时，先打开盖板，等垃圾进入垃圾中转室后合上盖板，然后打开中转室底板，所扔垃圾掉入垃圾容纳区域，再合上垃圾中转室底板，所扔垃圾就被密封在垃圾容纳区域，同时，该垃圾桶通过垃圾袋封口装置和垃圾袋自动进袋装置可以实现自动打包封口和自动更换垃圾袋的功能。
作为优选，所述垃圾袋自动进袋装置为设置在桶体上的风机气压进袋装置。
作为优选，所述垃圾袋自动进袋装置为设置在桶盖上的滚轮进袋装置。
作为优选，所述桶盖或所述盖板上设有与所述袋内空间连通的通气道，所述通气道连接有鼓风机，在鼓风机往所述袋内空间充气时，所述盖板与桶盖闭合。这样，对未铺设到底的垃圾袋和盖板之间的区域充气，产生气压，此压力可以将垃圾袋从垃圾袋存储装置顶出并一直铺设到桶底。
作为优选，所述通气道与所述鼓风机的之间设有对垃圾袋进行充气或抽气的二选一气阀。可使通气道可控地在鼓风机进风口与出风口之间切换连接，在铺袋完成后可以对袋内空间抽气以压扁垃圾袋，从而可以减少接收垃圾时从垃圾容纳区域跑到垃圾中转室的被污染空气，以进一步减少异味泄漏。
作为优选，所述鼓风机的出风口设有单向阀。平时单向阀打闭合，阻断了垃圾桶内的异味从通气道泄露，进袋时鼓风机气流将单向阀打开，不影响鼓风机对新垃圾袋进行充气。
作为优选，所述鼓风机的进风口与所述袋外空间连通。这样，进风口与袋外空间连通，使鼓风机对袋外空间进行抽气形成负压，负压作用使垃圾袋向桶体底部展开，同时，鼓风机对袋内空间进行充气形成正压，正压作用使垃圾袋向桶体底部展开。
作为优选，所述能够实现开合的底板包括滑动设置在桶盖上相对两侧的两根拢袋横杆，两根拢袋横杆分别连接有底部支撑件，所述底部支撑件的一侧与拢袋横杆连接，底部支撑件的另一侧与桶盖或桶体连接。
作为优选，所述底部支撑件是柔性板，包括多个长条形板片，相邻板片之间相铰接。这样，柔性板可在桶盖上进行前后移动，进而实现底板的打开和闭合。
作为优选，所述两根拢袋横杆的接触面设有相配合的台阶。这样，两个拢袋横杆靠拢时，拢袋横杆上的台阶交错接触，可以达到更好的对垃圾袋的压紧密封效果。
作为优选，还包括滑动设置在桶盖上相对两侧的两根热封横杆，且所述拢袋横杆做成两层，一层设置在热封横杆之上，另一层设置在热封横杆之下，其中一层的拢袋横杆连接所述底部支撑件。这样，进一步改善了对塑料膜的夹紧密封效果和对塑料膜的收拢固定效果，提高了热封横杆对塑料膜的热封可靠性。
作为优选，所述拢袋横板的台阶上设有弹性条。在拢袋横杆拢袋时，垃圾袋塑料膜与拢袋横杆之间会有滑动，而在压紧时，通过弹性条压紧塑料膜，可以更加提高密封性。
作为优选，所述盖板下侧面设有防臭剂。这样，可以净化垃圾中转室内的空气，起到进一步防臭的作用。
作为优选，所述桶体上设有侧开门；或者所述桶体上设有侧向抽出的抽屉。
 有益效果
综上所述，本发明的有益效果：此密封垃圾桶，具有的密封防臭功能外，还具有自动化的功能。在尿布装满垃圾袋时，控制电路可以控制垃圾袋封口装置，自动对垃圾袋封口打包，随后可以自动进袋铺袋。于是用户在使用此密封垃圾桶时，仅需扔入垃圾和取出打包好的垃圾袋的动作，无需其他动作，既省时省力，又更加卫生。
 附图说明
图1是密封自动垃圾桶拢袋横杆闭合时的结构侧面示意图；
图2是密封自动垃圾桶拢袋横杆闭合时的收口封口装置顶视图；
图3是密封自动垃圾桶拢袋横杆开放时的结构侧面示意图；
图4是密封自动垃圾桶拢袋横杆开放时的收口封口装置顶视图；
图5是单层拢袋横杆结合面的台阶示意图；
图6是双层拢袋横杆结合面的台阶和弹性条示意图；
图7是打包封口状态时收口封口装置的顶视图；
图8是此密封自动垃圾桶打开桶盖取垃圾时的示意图；
图9是此密封自动垃圾桶打开侧门取垃圾时的示意图；
图10是此密封自动垃圾桶打开侧面抽屉取垃圾时的示意图；
图11是此密封自动垃圾桶采用底部抽气进袋时的示意图；
图12是此密封自动垃圾桶采用充气进袋时的示意图；
图13是此密封自动垃圾桶进袋之后再从袋内抽气的示意图。
 本发明的实施方式
下面详细描述本发明的实施例。
如图1所示，本实施例公开了一种密封防臭自动垃圾桶，包括桶体1和桶盖2，桶盖2上口作为垃圾扔入口，且设有盖板3，桶盖2上还设有垃圾袋存储装置4，垃圾袋存储装置4下方设有垃圾袋封口装置5，桶体1或桶盖2还设有垃圾袋自动进袋装置。垃圾袋自动进袋装置包括风机气压进袋装置、滚轮进袋装置或者其他自动进袋方式。滚轮进袋装置参考申请号为201920107635X的中国专利。垃圾袋封口装置5和垃圾袋进袋装置等由控制电路6控制，并由电源7供电，以实现自动打包封口和自动换袋的功能。此外还设有垃圾中转室8，所述垃圾中转室8含有能够实现开合的底板，底板闭合时将垃圾袋收拢进而将垃圾袋密封，底板、盖板3以及垃圾袋存储装置4的内侧壁构成垃圾中转室8。所述能够实现开合的底板可以把垃圾袋夹住，使底板以下区域成为密封的垃圾容纳区域9。
所述垃圾袋封口装置5含有一对Y方向拢袋横杆501，还含有一对X方向热封横杆502。拢袋横杆501和热封横杆502两端可滑动地设置在桶盖2上相应的轨道上，可在驱动机构驱动下沿轨道移动。Y方向拢袋横杆501的轨道布置在桶盖2的左侧和右侧，可以使拢袋横杆501前后移动。X方向热封横杆502的轨道布置在桶盖2的前侧和后侧，可以使热封横杆502左右移动。两根Y方向拢袋横杆501上各连接有底部支撑件，底部支撑件的一侧与拢袋横杆501连接，底部支撑件的另一端与桶盖2或桶体1连接，底部支撑件为柔性板503，底部支撑件还可以为卷帘，所述柔性板503由具有足够刚性的长条形板片可转动地铰接而成，在左右方向呈刚性，在前后方向呈柔性。在桶盖2左右侧板上设有凹槽504，所述凹槽504中间部分与拢袋横杆501的轨道平行，在接近桶盖2前后侧板201处时逐步平滑地向上弯曲并延伸至与前后侧板201平行。所述柔性板503左右侧边可滑动地嵌入凹槽504，使所述凹槽504作为柔性板503的滑轨。柔性板503可沿所述凹槽504前后移动，并在接近桶盖2的前后侧板201处向上弯曲，使柔性板503置于垃圾袋存储装置4与桶盖2前后侧板201之间的空间。
垃圾袋进袋装置将垃圾袋在桶中铺好后，当驱动机构使两根拢袋横杆501相向移动直至紧密接触时，垃圾袋塑料膜401在拢袋横杆501处被压紧封闭，使垃圾袋分成两个区域。拢袋横杆501以上区域是垃圾中转室8。拢袋横杆501以下区域是垃圾容纳区域9，也是被拢袋横杆501密封的区域，具有密封防臭的效果。由两根拢袋横杆501和连接于拢袋横杆501上的两块柔性板503构成一个完整的没有孔洞的平台，此平台与垃圾袋存储装置4的内侧壁、盖板3，构成垃圾中转室8。所述的平台成为垃圾中转室8可开合的底板。
拢袋横杆501夹紧后，垃圾中转室8的底板被关闭，垃圾袋被夹紧，其侧视图如图1，此时垃圾袋封口装置5的顶视图如图2。平时两根热封横杆502处于靠边位置，两根拢袋横杆501处于紧密接触状态，垃圾容纳区域9处于密封状态。
盖板3由驱动机构驱动，可以自动开合。当用户向桶中扔垃圾，尤其是尿布时，盖板3先打开，所扔垃圾先进入垃圾中转室8并暂留其中。而早前被扔入的垃圾处于垃圾容纳区域9，并被拢袋横杆501密封着。当新扔垃圾进入垃圾中转室8后，盖板3再次合上以后，控制电路6使两根拢袋横杆501背向移动到轨道两端，柔性板503也随之移动，垃圾中转室8的底板完全打开，如图3，刚扔入的尚处于垃圾中转室8的垃圾就掉入垃圾容纳区域9。此时垃圾袋封口装置5的顶视图，如图4。
当两根拢袋横杆501背向移动到达轨道两端，垃圾中转室8的底板到达完全打开状态后，控制电路6随即又使两根拢袋横杆501相向移动直至紧密接触，垃圾容纳区域9又被封闭，回到如图1的状态，垃圾容纳区域9入口被打开的时间十分短暂。这样，此密封防臭自动垃圾桶就完成了一个接收垃圾的操作，等待用户下一次扔入垃圾。在整个垃圾接收过程中，处于垃圾容纳区域9的垃圾没有直接向桶外暴露的时刻，由此实现密封防臭的功能。
在垃圾中转室8的垃圾掉入垃圾容纳区域9时，会有部分垃圾容纳区域9的被污染的空气进入垃圾中转室8，虽然有盖板3盖住桶口，此部分空气不会直接泄漏到通外，但是会在下次用户扔垃圾打开盖板3时，散发到桶外。因此，在盖板3下侧面设有除臭剂301，可以净化垃圾中转室8内的空气，起到进一步防臭的作用。所述盖板3通常应有一部分内伸到桶口，使其外侧面与桶口内侧面尽可能紧密接触，减少空隙，以减少刚完成接收垃圾操作后的垃圾中转室8空气向桶外泄漏。
如图5，所述的两个拢袋横杆501的接触面可设有台阶，靠拢时交错接触，达到更好的对垃圾袋塑料膜401的压紧密封效果。
进一步地，如图6，所述两个拢袋横杆501可以做成上下两层，一层在热封横杆502之上，另一层在热封横杆502之下，除能进一步改善对塑料膜401的夹紧密封效果外，也可改善对塑料膜的收拢固定效果，提高热封横杆502对塑料膜的热封可靠性。
可在台阶缩进面设有弹性条508，在拢袋横杆501拢袋时，垃圾袋塑料膜与拢袋横杆501之间会有滑动，由拢袋横杆501凸出部分509接触塑料膜，与塑料膜之间摩擦力比较小，塑料膜可以自由滑动。而在压紧时，通过弹性条508压紧塑料膜，可以更加提高密封性。
柔性板503的使用使垃圾中转室8的底板在合上时光滑平整，打开时也不会钩到垃圾中转室8内的垃圾尖角和垃圾袋塑料膜，使拢袋横杆501和垃圾中转室8底板的开合更可靠。柔性折叠也减小了活动底板占用的空间。
当垃圾容纳区域9所装垃圾接近垃圾袋封口装置5下沿时，需要对垃圾袋进行打包封口。此时用户可以向控制电路6发出打包封口指令。控制电路6首先使夹紧的拢袋横杆501背向移动一段距离，使两根拢袋横杆501由夹紧状态分开并间距几个厘米，此距离作为垃圾袋塑料膜热封处的宽度；然后控制电路6控制热封横杆502相向移动直至将塑料膜401夹紧，并施加一定的压力。此时垃圾袋封口装置5的顶视图，如图7。热封横杆503相对的那一面上，其中一个热封横杆502设有电热丝，另一热封横杆502设有弹性体。将塑料膜夹紧后，控制电路6使电热丝通电发热，并维持一定的时间。于是已装满的旧袋也即垃圾容纳区域9被封口，上面即将使用的新袋被封底，旧袋和新袋之间被切断。如此，自动打包封口就完成了。打包封口完成后，控制电路6将拢袋横杆501和热封横杆502背向移动直到靠近桶壁，变成如图4的状态。
桶盖2与桶体1之间设有铰链203与卡扣204。自动打包封口完成后，控制电路6发出打包完成的提示信号，用户就可以解开卡扣204，抬起整个桶盖2，将打包封口完成的旧垃圾袋取出，如图8。桶体1底部前侧可设有脚踏板101，也可在后侧设有防倾倒支撑102，在抬起桶盖2时，可以防止垃圾桶翻倒。
在另一实施例中，桶体1设有侧开门103，用户可以通过打开侧开门103取出打包好的垃圾袋，如图9。在又一实施例中，通体1设有可以侧向抽出的抽屉104，垃圾袋被置于此抽屉104中，用户可以拉开抽屉104取出打包好的垃圾袋，如图10。
上述实施例中桶盖2、侧开门103、抽屉104，可配有相应的位置传感器，使控制电路6可以感知其开合状态，再可设有检测桶内垃圾袋有无的传感器。于是，在用户取出旧垃圾袋，合上桶盖2或侧开门103或抽屉104后，控制电路6通过检查上述传感器，确认旧垃圾袋已经取走并且桶盖2或侧开门103或抽屉104后已被合上，就进入进袋铺袋的操作。
进一步地，上述实施例中桶盖2、侧开门103、抽屉104，都可以改为被驱动机构驱动，可在控制电路6的控制下自动打开或合上。在打包封口完成后，控制电路6可以自动打开桶盖2或侧开门103或抽屉104，循环查询检测桶内垃圾袋有无的传感器，待感知到桶内旧垃圾袋已被取走，就自动合上桶盖2或侧开门103或抽屉104，随后就进入进袋铺袋的操作。
作为优选，本实施例的进袋装置是处于桶体1底部的抽风机10，所述抽风机10安装于桶体1底部通孔105之上，如图11。
在上述自动打包封口操作后或者在新安装垃圾袋筒料之后，将要使用的垃圾袋塑料膜401的底部处于桶盖2区域，需要进行进袋操作将垃圾袋铺设到桶体1底部才能使用。如图11，垃圾袋塑料膜401紧密贴合安装于垃圾袋存储装置4内，垃圾袋存储装置4又通常与桶盖2是一体的，故垃圾袋塑料膜401与桶盖2之间可以看作没有漏气通道。使桶盖2与桶体1之间的结合缝106配合紧密，减少漏气。作为优选，可在结合缝106设有密封条。如此，在垃圾袋塑料膜401与桶体1之间的空间107，只有一个出风口105，而无其他进气口。先使垃圾袋封口装置5处于如图4的完全打开状态后，控制电路6控制使盖板3打开或部分打开，同时使抽风机10转动，将空间107内的空气向外排，就会在空间107产生负压。此负压作用在垃圾袋塑料膜401上，产生向下的压力。合理选择风机10，产生足够的负压，就会在垃圾袋塑料膜401上产生足够的向下压力，将垃圾袋塑料膜401从垃圾袋存储装置4中拉出并向桶体1底部导入。在桶底区域可设有检测垃圾袋有无的传感器，可在垃圾袋到达桶底时向控制电路6发出信号，控制电路6随即关闭风机10，进袋完成，垃圾袋便处于如图3的状态。
在如图12的另一实施例中，盖板3和垃圾袋之间形成袋内空间；桶体1和垃圾袋之间形成袋外空间，进袋装置是置于桶体1上部或者桶盖2内的鼓风机10A，同时在桶盖2侧壁设有与袋内空间连通的通气道205，通气道205通过软管与鼓风机10A的出风口连接，在鼓风机10A往所述袋内空间充气时，盖板3与桶盖2闭合。桶盖2侧壁还设有可控挂钩206，当挂钩206上端伸入盖板3侧壁的孔302时，盖板3不能外翻并能承受一定的压力。平时挂钩206被弹簧弹向外侧，盖板3不会被锁住，可以被驱动机构驱动自由开合。进袋时，电磁铁207驱动挂钩锁住盖板3。若盖板3与桶盖2之间配合紧密，垃圾袋塑料膜401与桶盖2之间也没有漏气通道，则空间208与外界的唯一通气道便是通气道205。而通气道205与鼓风机10A出风口连接，当控制电路6打开鼓风机10A，就会在空间208产生气压，此气压在袋底塑料膜401产生向下压力，可将垃圾袋塑料膜从垃圾袋存储装置4中顶出，向桶体1底部导入。若桶口面积为300平方厘米，500帕的气压将产生约1.5公斤的压力，可以满足将垃圾袋塑料膜从垃圾袋存储装置4中拉出的需要。选用静压更大的鼓风机10A，可获得更大的进袋力量。在桶底区域可设有检测垃圾袋有无的传感器，可在垃圾袋到达桶底时向控制电路6发出信号，控制电路6随即关闭鼓风机10A，进袋完成，垃圾袋便处于如图3的状态。进袋完成后，桶盖2解锁，用户又可以随时往桶内扔垃圾。
进一步地，鼓风机10A出口之后的气道上可设有单向阀209，如图12。平时单向阀209闭合，阻断了垃圾中转室8的气体从通气道205泄漏。进袋时鼓风机10A气流将单向阀209打开，不影响鼓风机10A对空间208进行充气。桶体1底部设有通气孔105，在进袋时可使桶内空气顺畅排出。鼓风机10A的进风口与袋外空间连通，使鼓风机10A对袋外空间进行抽气形成负压，负压作用使垃圾袋向桶体1底部展开，同时，鼓风机10A对袋内空间进行充气形成正压，正压作用使垃圾袋向桶体1底部展开。
当进袋完成，垃圾桶处于图3的状态后，控制电路6可以驱动拢袋横杆501相向移动夹紧垃圾袋，使垃圾桶回到图1的状态。也可以在进袋完成后等待盖板3第一次被打开再合上，也即新铺设的垃圾袋被扔入第一个垃圾后，再驱动拢袋横杆501相向移动夹紧垃圾袋，闭合垃圾容纳区域9。
如此，后续将不断地是用户投入垃圾、装满后按按钮打包封口、取出打包封口的旧垃圾袋再合上桶盖2的循环，直至垃圾袋存储装置4内垃圾袋筒料用完，再安装新垃圾袋筒料包装体。其他操作是由此密封自动垃圾桶自动完成的。
垃圾袋存储装置4内装有环状包装的垃圾袋塑料膜筒料，所述环状包装的塑料膜筒料，是一段长管状或者长筒装的塑料膜，包装在环形或类似环形的包装盒内，其一端从包装盒设有的环周式开口抽出并且被封口，作为第一个垃圾袋的底部，而环形包装盒的内孔即为垃圾投入口。其长度通常有几米到几十米，相当于几十个垃圾袋的长度，可以用几十次。当塑料膜用完，用户可以打开盖板3向垃圾袋存储装置4装入新的垃圾袋塑料膜筒料。
采用气压方式进袋完成后，塑料膜基本上贴合到桶壁，垃圾袋中充满空气。装入第一个被污染的垃圾后，垃圾容纳区域9内空气也逐步被污染，后续每扔入一个垃圾，就会有与此垃圾体积相当的被污染空气从垃圾容纳区域9进入垃圾中转室8，成为从桶口向桶外泄漏被污染空气的主要源头。如果每次从垃圾中转室8掉落垃圾到垃圾容纳区域9时，能尽可能减少从垃圾容纳区域9跑到垃圾中转室8的空气，就能进一步提升此垃圾桶的防臭效果。
为此，可以在通气道205上设有可控的二选一气阀210，分别连接于鼓风机10A的出风口和进风口。可使通气道205可控地在鼓风机10A进风口与出风口之间切换连接，在铺袋完成后可以对袋内空间抽气以压扁垃圾袋，从而可以减少接收垃圾时从垃圾容纳区域跑到垃圾中转室8的被污染空气，以进一步减少异味泄漏。进袋时，通气道205与鼓风机10A出风口相通，鼓风机10A进风口开放。进袋完成后，控制电路6控制二选一气阀210，使通气道205与鼓风机10A进风口相通，鼓风机10A出风口开放，启动鼓风机10A后，就能从垃圾袋内向桶外抽气，于是铺设好的垃圾袋就会缩拢，如图13所示。此后再夹紧拢袋横杆501，闭合垃圾容纳区域9，于是垃圾容纳区域9也是收缩在一起的，其体积处于最小状态，内部空气很少。这样，每次从垃圾中转室8掉落垃圾到垃圾容纳区域9时，垃圾容纳区域9的空间是被新掉入的垃圾逐步撑大，没有或者只有很少的空气从垃圾容纳区域9跑到垃圾中转室8。而不是像未抽气时，体积已经扩展到最大的垃圾容纳区域9内的空间因新导入的垃圾而逐步减小，必须向外排出空气。

Claims (14)

  1. 一种密封防臭自动垃圾桶，包括桶体(1)、桶盖(2)以及盖板(3)，桶盖(2)上设有垃圾袋存储装置(4)和垃圾袋封口装置(5)，盖板(3)和垃圾袋之间形成袋内空间；桶体(1)和垃圾袋之间形成袋外空间，还包括垃圾中转室(8)，所述垃圾中转室(8)包括能够实现开合的底板，所述底板闭合时将垃圾袋收拢进而将垃圾袋密封，底板、盖板(3)以及垃圾袋存储装置(4)的内侧壁构成垃圾中转室(8)，其特征是：所述桶体(1)或者所述桶盖(2)上还设有垃圾袋自动进袋装置。
  2. 根据权利要求1所述的密封防臭自动垃圾桶，其特征是：所述垃圾袋自动进袋装置为设置在桶体(1)上的风机气压进袋装置。
  3. 根据权利要求1所述的密封防臭自动垃圾桶，其特征是：所述垃圾袋自动进袋装置为设置在桶盖(2)上的滚轮进袋装置。
  4. 根据权利要求1所述的密封防臭自动垃圾桶，其特征是：所述垃圾袋自动进袋装置包括所述桶盖(2)或所述盖板(3)上设有与所述袋内空间连通的通气道(205)，所述通气道(205)连接有鼓风机(10A)，在鼓风机(10A)往所述袋内空间充气时，所述盖板(3)与桶盖(2)闭合。
  5. 根据权利要求4所述的密封防臭自动垃圾桶，其特征是：所述通气道(205)与所述鼓风机(10A)之间设有对垃圾袋进行充气或抽气的二选一气阀(210)。
  6. 根据权利要求4所述的密封防臭自动垃圾桶，其特征是：所述鼓风机(10A)的出风口设有单向阀(209)。
  7. 根据权利要求4所述的密封防臭自动垃圾桶，其特征是：所述鼓风机(10A)的进风口与所述袋外空间连通。
  8. 根据权利要求1所述的密封防臭自动垃圾桶，其特征是：所述能够实现开合的底板包括滑动设置在桶盖(2)上相对两侧的两根拢袋横杆(501)，两根拢袋横杆(501)分别连接有底部支撑件，所述底部支撑件的一侧与拢袋横杆(501)连接，底部支撑件的另一侧与桶盖(2)或桶体(1)连接。
  9. 根据权利要求8所述的密封防臭自动垃圾桶，其特征是：所述底部支撑件是柔性板(503)，包括多个长条形板片，相邻板片之间相铰接。
  10. 根据权利要求8所述的密封防臭自动垃圾桶，其特征是：所述两根拢袋横杆(501)的接触面设有相配合的台阶。
  11. 根据权利要求8所述的密封防臭自动垃圾桶，其特征是：还包括滑动设置在桶盖(2)上相对两侧的两根热封横杆(502)，且所述拢袋横杆(501)做成两层，一层设置在热封横杆(502)之上，另一层设置在热封横杆(502)之下，其中一层的拢袋横杆(501)连接所述底部支撑件。
  12. 根据权利要求10所述的密封防臭自动垃圾桶，其特征是：所述拢袋横杆(501)的台阶上设有弹性条(508)。
  13. 根据权利要求1所述的密封防臭自动垃圾桶，其特征是：所述盖板(3)下侧面设有防臭剂(301)。
  14. 根据权利要求1所述的密封防臭自动垃圾桶，其特征是：所述桶体(1)上设有侧开门(103)；或者所述桶体(1)上设有侧向抽出的抽屉(104)。
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