WO2024088436A1 - 垃圾桶及其垃圾袋收口封口机构 - Google Patents
垃圾桶及其垃圾袋收口封口机构 Download PDFInfo
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- WO2024088436A1 WO2024088436A1 PCT/CN2023/135826 CN2023135826W WO2024088436A1 WO 2024088436 A1 WO2024088436 A1 WO 2024088436A1 CN 2023135826 W CN2023135826 W CN 2023135826W WO 2024088436 A1 WO2024088436 A1 WO 2024088436A1
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- WIPO (PCT)
- Prior art keywords
- bag
- rod
- garbage bag
- wire
- pull wire
- Prior art date
Links
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 122
- 238000007789 sealing Methods 0.000 title claims abstract description 50
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 238000007731 hot pressing Methods 0.000 claims abstract description 58
- 238000003825 pressing Methods 0.000 claims description 44
- 238000004804 winding Methods 0.000 claims description 35
- 238000005485 electric heating Methods 0.000 claims description 33
- 239000000758 substrate Substances 0.000 claims description 22
- 239000012943 hotmelt Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 9
- 239000002985 plastic film Substances 0.000 description 8
- 229920006255 plastic film Polymers 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 4
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- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 2
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 2
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 2
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 2
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/10—Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion
Definitions
- the invention belongs to a garbage bag closing and sealing mechanism for an automatic garbage bin.
- Such automatic trash cans usually contain a trash bag storage device, a flip cover is provided on the upper part of the trash bag storage device, a trash bag sealing device is provided on the lower part of the trash bag storage device, and the barrel body is below the sealing device.
- a bag feeding device which is set at the corresponding position of the trash can according to different bag feeding methods.
- the above-mentioned annularly packaged plastic film tube material is a long tubular or long tube of plastic film, usually several meters to dozens of meters, packaged in an annular or annular-like packaging box, one end of which is pulled out from the circumferential opening of the packaging box and sealed, serving as the bottom of the first garbage bag, and the inner hole of the annular packaging box is the garbage input port.
- the garbage bag opening is closed by the garbage bag sealing device and hot-melt cut. Hot-melt cutting generates two seals, the lower seal is the seal of the old garbage bag that has been filled, and the upper seal is the bottom of the new garbage bag that is about to be used. After the user takes out the old garbage bag, the bag feeding device will automatically lay a new garbage bag.
- This type of automatic trash can requires the garbage bag plastic film tube to be gathered and hot-melt sealed on site inside the trash can. This function is achieved by the closing and sealing device.
- This closing and sealing device is a key component of the fully automatic trash can, which determines whether the basic functions of sealing and cutting the old garbage bag and sealing the bottom of the new garbage bag can be achieved stably and reliably.
- This structure is to close the plastic film of the garbage bag to the middle position of the garbage bin mouth, and there are 4 horizontal bars that need to move linearly, and the rigidity requirements for the Y-direction horizontal bar are relatively high, so the structure is complex, the volume is large, and the cost is relatively high.
- the above-mentioned closing and sealing mechanisms and other closing and sealing solutions inevitably use synchronous belts and positioning track rods.
- the track rods are usually stainless steel shafts or galvanized steel shafts.
- a set of closing and sealing mechanisms uses multiple synchronous belts and steel shafts, which is expensive and affects the cost compression of the entire automatic trash can.
- the purpose of the present invention is to provide a trash can and a trash bag closing and sealing mechanism thereof, which does not use multiple synchronous belts and synchronous pulleys, does not use or reduces the use of track rods, and has the characteristics of simple structure, compact size and low cost.
- a garbage bag closing and sealing mechanism comprising:
- the through hole area in the middle of the base plate is a garbage input channel
- a winch motor wherein a stranding wheel is fixed on the output shaft of the winch motor
- Pull wire, part of the pull wire is wound on the twisting wheel, and the other part of the pull wire is tensioned and set on the base plate through the pulley; the bag gathering rod and the hot pressing rod are respectively fixed on the pull wire, and the winch motor drives the twisting wheel to rotate forward and reverse, thereby driving the bag gathering rod and the hot pressing rod to move respectively through the pull wire.
- the pull wire is connected end to end in a closed loop, and the pull wire is fixedly connected to the winding wheel.
- the first end of the pull wire is directly fixed on the winding wheel, and the second end of the pull wire is fixed on the winding wheel after being pre-wound several times on the winding wheel; when the hoisting motor rotates forward, the first end of the pull wire is gradually wound onto the winding wheel, and the second end of the pull wire is gradually released from the winding wheel; when the hoisting motor rotates reversely, the first end of the pull wire wound onto the winding wheel is gradually released again, and the second end of the pull wire is gradually wound onto the winding wheel again.
- the pull wire will make a forward or backward linear motion along the boundary direction of the through-hole area. Both ends of a pull wire are on the winding wheel, and as the hoisting motor rotates, part of the pull wire must move forward and part of it must move backward.
- the through hole area of the substrate is square or rectangular, and the pull wire forms a closed loop after winding around these pulleys and the twisting wheel; pulleys for winding the pull wire are provided at the four corners of the through hole area of the substrate, and the two ends of the bag gathering rod are fixed on the moving part of the pull wire along the X direction, and the two ends of the hot pressing rod are fixed on the moving part of the pull wire along the Y direction.
- the bag gathering rod can be arranged in the X direction
- the hot pressing rod can be arranged in the Y direction.
- the two ends of the bag gathering rod are fixed on the moving part of the pull wire along the X direction, and the two ends of the hot pressing rod are fixed on the moving part of the pull wire along the Y direction.
- the winch motor rotates, the bag gathering rod and the hot pressing rod can move linearly in their respective directions.
- the through hole area of the substrate is square or rectangular, and the pulling wire forms a closed loop after winding around these pulleys and the twisting wheel; pulleys for winding the pulling wire are provided at the three corners of the through hole area of the substrate, one end of the bag gathering rod is fixed on the part of the pulling wire moving along the X direction, and one end of the hot pressing rod is fixed on the part of the pulling wire moving along the Y direction, and two track rods are provided on the substrate for guiding the movement of the bag gathering rod and the hot pressing rod respectively.
- it comprises two heat pressing rods and two bag gathering rods; the two bag gathering rods are driven by a pull wire to move toward each other, and gather the garbage bag to the middle position of the barrel mouth; the two heat pressing rods are driven by a pull wire to move toward each other, and cooperate with the bag gathering rods to gather the garbage bag to the middle position of the barrel mouth; one of the heat pressing rods is provided with an electric heating wire, and the other heat pressing rod is provided with an elastic body, and the two heat pressing rods heat-seal and cut off the closing part of the garbage bag.
- the bag gathering rod is driven by a pull wire to gather the garbage bag to the side of the barrel mouth; at the same time, the heat pressing rod is driven by the pull wire to cooperate with the bag gathering rod to gather the garbage bag to a corner of the barrel mouth;
- the base plate is provided with an electric heating rod at a position corresponding to the heat pressing rod, the electric heating rod is provided with an electric heating wire, and the heat pressing rod is provided with an elastomer; the elastomer and the electric heating wire are pressed tightly to heat-seal and cut the garbage bag at the closing part.
- the base plate is provided with an electric heating rod at a position corresponding to the heat pressing rod, the electric heating rod is provided with an electric heating wire, and the heat pressing rod is provided with an elastic body; the pulling wire drives the heat pressing rod to move to the position of the electric heating rod, so as to press the gathered garbage bag tightly onto the electric heating wire on the electric heating rod, thereby completing the heat sealing and cutting of the garbage bag.
- the moving speed and distance of each point on the same pull line are the same. Therefore, the moving distances of the bag-gathering rod and the heat-pressing rod must be the same. Therefore, the barrel mouth needs to be square. If there are two bag-gathering rods, the distance they can move is half of the side length of the square; and two heat-pressing rods must also be provided, so that the moving distance of the heat-pressing rod is also half of the side length of the square. If there is only one bag-gathering rod, the distance it can move is the side length of the square; and one heat-pressing rod must also be provided, so that the moving distance of the heat-pressing rod is also the side length of the square.
- the barrel mouth can be designed as a rectangle with the long side length equal to twice the short side length.
- Two bag gathering rods are set in the long side direction, and a hot pressing rod is set in the short side direction, and the electric heating wire is installed on the side of the substrate opposite to the hot pressing rod. In this way, the bag gathering rod and the hot pressing rod can move synchronously and the moving distance is the same.
- the mouth of the trash can is a square, or a rectangle with one side twice the length of the other side. Therefore, it is preferred to include two independent pull wires, one to drive the bag gathering rod and the other to drive the hot pressing rod, so that the moving speed and distance of the bag gathering rod and the hot pressing rod can be controlled separately, without being constrained by the fact that the moving distances of the bag gathering rod and the hot pressing rod must be equal when a single pull wire is used.
- the two pull wires are driven by two winch motors respectively to achieve more flexible control; or, they can be driven by two winding wheels driven by one winch motor, such as a winch motor with two output shafts, and the ratio of the linear speeds of the winding wheels installed on the two output shafts is equal to the ratio of the distances required to move the bag gathering rod and the hot pressing rod.
- a trash can comprises the trash bag closing and sealing mechanism as described above.
- the present invention adopts the above technical solution, uses a winch motor and a pull wire to drive the bag gathering rod and the hot pressing rod to move, does not need to use multiple synchronous belts and synchronous pulleys, does not use or reduces the use of track rods, and has the characteristics of simple structure, compact size and low cost.
- FIG1 is a schematic structural diagram of Embodiment 1;
- FIG2 is a schematic diagram of Example 1 in a heat-sealed state
- FIG3 is a schematic diagram of the structure of Example 2.
- FIG4 is a schematic diagram of the structure of Example 3.
- FIG5 is a schematic diagram of Example 3 in a heat-sealed state
- FIG6 is a schematic diagram of the structure of Example 4.
- FIG7 is a schematic structural diagram of Example 5.
- FIG8 is a schematic diagram of the structure of Example 6;
- FIG. 9 is a schematic diagram of Example 6 in a heat-sealed state.
- first and second are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as “first” or “second” may explicitly or implicitly include one or more of the features.
- plural means two or more, unless otherwise clearly specified.
- the terms “installed”, “connected”, “connected”, “fixed” and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components.
- installed can be a fixed connection, a detachable connection, or an integral connection
- it can be a mechanical connection or an electrical connection
- it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components.
- the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
- a first feature being “above” or “below” a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them.
- a first feature being “above”, “above” and “above” a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
- a first feature being “below”, “below” and “below” a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
- Embodiment 1 is a diagrammatic representation of Embodiment 1:
- a garbage bag closing and sealing mechanism as shown in FIG1 includes a substrate 1, and a through hole area 101 in the middle of the substrate is a garbage input channel.
- the bottom plate of the garbage bag storage device is used as the substrate of the closing and sealing device.
- the through hole area is generally approximately square or rectangular.
- a plurality of pulleys 2 are provided at the four corners of the through hole area, and the pulleys 2 are rotatably mounted on a pulley shaft 201, and the pulley shaft 201 is fixed on the substrate 1.
- a pull wire 3 is tensioned on the pulley 2.
- the pull wire 3 is arranged in a direction parallel to the edge 102 and the edge 103 of the through hole area 101, and the directions of the two edges are respectively defined as the X direction and the Y direction.
- a winch motor 4 is also provided, and a winding wheel 401 is fixed on the output shaft of the winch motor 4.
- the first end 301 of the pull wire is directly fixed on the winding wheel 401, and the second end 302 of the pull wire is fixed on the winding wheel 401 after being pre-wound several times on the winding wheel 401.
- the garbage bag closing and sealing mechanism is also provided with bag-closing rods 501, 502 and hot pressing rods 601, 602.
- the bag-closing rods can be arranged in the X direction
- the hot pressing rods can be arranged in the Y direction.
- the two ends of the bag-closing rods are fixed to the moving part of the pull line along the X direction
- the two ends of the hot pressing rods are fixed to the moving part of the pull line along the Y direction. In this way, as the winch motor rotates, the bag-closing rods and the hot pressing rods can move linearly in their respective directions.
- This embodiment is provided with two bag-collecting rods 501 and 502, which are driven by the pull wire to move toward each other.
- two heat-pressing rods 601 and 602 are provided, which are driven by the pull wire to move toward each other, and cooperate with the bag-collecting rods to collect the garbage bag to the middle position of the barrel mouth.
- one of the heat-pressing rods is provided with a heating wire, and the other heat-pressing rod is provided with an elastic body.
- the bag-gathering rod and the hot-pressing rod are fixed by the wire in the direction parallel to the plane of the substrate and can be subjected to force; however, in the direction perpendicular to the plane of the substrate, they are only initially positioned by the wire and may deviate after being subjected to force. Since the mechanism on the substrate needs to be covered by a cover plate, positioning ribs can be provided on the substrate and the cover plate at both ends of the bag-gathering rod and the hot-pressing rod to serve as the boundaries of the bag-gathering rod and the hot-pressing rod in the direction perpendicular to the plane of the substrate. In this way, the bag-gathering rod and the hot-pressing rod can only move in the direction parallel to the plane of the substrate, and in the direction perpendicular to the plane of the substrate, there is only a small gap and no large deviation.
- This embodiment also discloses a trash can, which adopts the trash bag closing and sealing mechanism as described above.
- Embodiment 2 is a diagrammatic representation of Embodiment 1:
- the pull wire only one end of the bag-closing rods 501, 502 and the hot pressing rods 601, 602 are fixed on the pull wire, and the other end does not need to be pulled by the pull wire.
- the pull wire only needs to be arranged on two sides of the barrel mouth, that is, the adjacent two sides of the through hole area 101, the pull wire is shortened, and the number of pulleys is also reduced.
- the bag-closing rods and hot pressing rods driven at one end need to be positioned and guided by the track rod.
- a hole is provided at one end fixed with the pull wire 2, so that the track rod 702 passes through the hole, and the bag-closing rods 501, 502 are slidably fixed on the track rod 702; similarly, the hot pressing rods 601, 602 can also be slidably fixed on the track rod 701.
- This embodiment simplifies the pull wire and the pulley, but the cost is slightly increased because of the use of metal track rods.
- Example 1 The other structures are the same as those in Example 1 or are set with reference to Example 1.
- This embodiment also discloses a trash can, which adopts the trash bag closing and sealing mechanism as described above.
- Embodiment 3 is a diagrammatic representation of Embodiment 3
- the bag gathering rod and the heat pressing rod are fixed on the same pull line, and must have the same speed and stroke. Therefore, it is necessary to make the stroke of the bag gathering rod and the heat pressing rod the same when the closing and sealing mechanism runs from the standby state to the sealing state.
- the strokes in the X direction and the Y direction are the same, and the number of bag gathering rods moving in the X direction and the heat pressing rods moving in the Y direction must also be the same.
- the above-mentioned embodiment uses two bag gathering rods and two heat pressing rods, and the stroke of the bag gathering rod and the heat pressing rod is generally one-half of the length of the barrel mouth.
- a single bag gathering rod and a single heat pressing rod may also be used.
- the stroke of the bag gathering rod and the heat pressing rod is approximately the length of the barrel mouth.
- the pull wire 3 adopts the same layout as in Example 1, but there is only one bag-closing rod 501 and one hot pressing rod 601, and an electric heating rod 603 with a heating wire installed is also required.
- the bag-closing rod 501 can close the garbage bag to the edge 102
- the hot pressing rod 601 also closes the garbage bag to the direction of the electric heating rod 603.
- the bag-closing rod and the hot pressing rod cooperate to close the garbage bag to the upper left corner of the barrel mouth 101.
- the electric heating wire installed on the electric heating rod 603 is energized, and the garbage bag can be sealed and cut, see FIG5 .
- Example 1 The other structures are the same as those in Example 1 or are set with reference to Example 1.
- This embodiment also discloses a trash can, which adopts the trash bag closing and sealing mechanism as described above.
- Embodiment 4 is a diagrammatic representation of Embodiment 4:
- Example 2 when the simplified wire arrangement in Example 2 is adopted, a single bag closing rod 501 and a single hot pressing rod 601 can also be used.
- the simplification of the wire and the pulley requires the addition of track rods 701 and 702.
- Example 2 The other structures are the same as those in Example 2 or are set with reference to Example 2.
- This embodiment also discloses a trash can, which adopts the trash bag closing and sealing mechanism as described above.
- Embodiment 5 is a diagrammatic representation of Embodiment 5:
- both the bag gathering rod and the heat pressing rod are two or the structure where both the bag gathering rod and the heat pressing rod are one
- the structure of two bag gathering rods and one heat pressing rod is also common. If one pull line is used to drive two bag gathering rods and one heat pressing rod at the same time, the distance moved by one heat pressing rod from the standby state to the heat sealing state should be the same as the distance moved by one bag gathering rod, so the barrel mouth shape should be approximately a rectangle with the long side length twice the short side length.
- a garbage bag closing and sealing mechanism has a barrel mouth 101 that is approximately rectangular, and the length of the side 102 is about twice the length of the side 103.
- the bag-closing rods 501 and 502 are arranged to move along the long side 102, and the hot pressing rod 601 is arranged to move along the short side 103.
- the pull wire 3 drives the bag-closing rods 501 and 502 to move toward each other, and the garbage bag is closed to the middle position of the barrel mouth 101; at the same time, the pull wire 3 drives the hot pressing rod 601 to move to the position of the electric heating rod 603, so that the closed garbage bag is pressed tightly against the heating wire on the electric heating rod 603, completing the heat sealing of the garbage bag.
- Example 1 The other structures are the same as those in Example 1 or are set with reference to Example 1.
- This embodiment also discloses a trash can, which adopts the trash bag closing and sealing mechanism as described above.
- Embodiment 6 is a diagrammatic representation of Embodiment 6
- a single pull wire drives the bag gathering rod and the hot pressing rod at the same time, and the proportional relationship between the moving distance of the bag gathering rod and the moving distance of the hot pressing rod is constrained, thereby constraining the shape of the barrel mouth.
- the mouth of the trash can is approximately square, or approximately rectangular with one side twice the length of the other side.
- two independent pull wires can be used, one to drive the bag collecting rod and the other to drive the hot pressing rod.
- the two pull wires can be driven by two winch motors respectively to achieve more flexible control.
- a garbage bag closing and sealing mechanism is provided, wherein a pull wire 3 drives the bag-closing rods 501 and 502, which are driven by a winch motor 4; another pull wire 8 drives the hot pressing rod 601, which is driven by a winch motor 9.
- the pull wire 3 and the pull wire 8 are drawn in a misaligned manner in FIG8 for the sake of clarity, but are actually arranged up and down.
- two pulleys are installed up and down, one for positioning the pull wire 3 and the other for positioning the pull wire 8.
- the winch motor 4 When the winch motor 4 rotates counterclockwise, it drives the bag-closing rods 501 and 502 to close the garbage bag to the middle of the barrel mouth; at the same time, the winch motor 9 also rotates counterclockwise, driving the hot pressing rod 601 to bring the garbage bag closer to the electric heating rod 603, and finally pressing the closing part of the garbage bag against the electric heating wire for electric heating sealing, as shown in FIG9 .
- the bag gathering rod and the hot pressing rod move independently and have no fixed proportional relationship, so the sizes of the barrel mouth edges 102 and 103 can be flexibly designed to make automatic trash can products of different shapes and sizes that meet user needs.
- the device can also be driven by a single winch motor with two output shafts, one output shaft drives the pull wire 3, and the other output shaft drives the pull wire 8.
- the ratio of the linear speeds of the twisting wheels installed on the two output shafts is equal to the ratio of the distances required to move the bag gathering rod and the hot pressing rod.
- the description with reference to the terms “one embodiment”, “some embodiments”, “an implementation”, “specific implementation”, “other implementations”, “example”, “specific example”, or “some examples” means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment, implementation or example of the present invention.
- the schematic representations of the above terms do not necessarily refer to the same embodiment or example.
- the specific features, structures, materials or characteristics described above may also be combined in a suitable manner in any one or more embodiments, implementations or examples.
- the technical solutions recorded in the present invention also include technical solutions formed by any one or more of the specific features, structures, materials or characteristics described above in a separate or combined manner.
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Abstract
提供了一种垃圾桶及其垃圾袋收口封口机构，该垃圾袋收口封口机构包括基板（1）、拢袋杆（501，502）、热压杆（601，602）、卷扬电机（4）、绞线轮（401）和拉线（3），拉线（3）的一部分缠绕在绞线轮（401）上，拉线（3）的另一部分通过滑轮（2）张紧设置在基板上（1）；拢袋杆（501，502）和热压杆（601，602）分别固定在拉线（3）上，卷扬电机（4）带动绞线轮（401）正反转动，从而通过拉线（3）驱动拢袋杆（501，502）和热压杆（601，602）分别移动。这样，垃圾袋收口封口机构采用卷扬电机（4）和拉线（3）驱动拢袋杆（501，502）和热压杆（601，602）移动。
Description
本发明属于一种自动垃圾桶用的垃圾袋收口封口机构。
扔垃圾是人们生活中频次比较高的动作，使用垃圾桶过程中的一些经常性重复动作比如打包、换袋等对于快节奏生活的现代人来说越来越显得繁琐而令人生厌。对于能够自动打包封口、自动换袋的垃圾桶的需求是存在的。已有不少能自动打包封口、自动换袋的自动垃圾桶设计方案被提出。
由于环状包装的塑料膜筒料有自带开口的特性，便于实现自动进袋而被一些发明者采用。此类自动垃圾桶通常含有垃圾袋存储装置，在垃圾袋存储装置上部设有翻盖，在垃圾袋存储装置下部设垃圾袋封口装置，在封口装置之下是桶身主体。此外还设有进袋装置，根据不同的进袋方法设在垃圾桶的相应位置。
上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，通常有几米到几十米，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。每次打包封口时，由垃圾袋封口装置收拢垃圾袋口，进行热熔切断。热熔切断生成了两条封口，下部封口是已经装满的旧垃圾袋的封口，上部封口是即将使用的新垃圾袋的底。待用户取出旧垃圾袋后，进袋装置会自动铺设新垃圾袋。
此类自动垃圾桶需要对垃圾袋塑料膜筒料在垃圾桶内进行现场收拢热熔封口，此功能是由收口封口装置实现的。此收口封口装置是全自动垃圾桶的关键部件，决定了旧垃圾袋的封口与切断和新垃圾袋的封底这些基本功能是否能稳定可靠地实现。
目前已经有多种收口封口装置的设计方案发表和公布了。最常见的是在X方向有一对能相对移动和靠拢的横杆将垃圾袋在X方向收拢到一定距离，在与X方向正交的Y方向又设有一对能相对移动和靠拢的横杆将垃圾袋在Y方向收拢并压紧，在一个Y方向横杆上设有电热丝，在另一个Y方向横杆上设有弹性体。当两个Y方向横杆将垃圾袋塑料膜压紧时，电热丝通电将垃圾袋塑料膜热熔封口和切断。此种结构是将垃圾袋塑料膜拢到垃圾桶口中间位置，有4个横杆需要直线运动，并且对Y方向横杆的刚性要求比较高，因此结构复杂，体积大，成本也比较高。
市场上也出现了将上述结构简化的做法。即在X方向上只设有一个横杆，移动此横杆将垃圾袋拢到垃圾桶X方向的一边；在Y方向上也只设有一个横杆，移动此横杆可以与设在垃圾桶Y方向另一边上的一固定杆压紧，实现拢袋和热熔。此种结构是将垃圾袋塑料膜拢到垃圾桶口某一个角的位置，结构相对简单，体积小。
上述几种收口封口机构及其他收口封口方案，都不可避免地使用了同步带和定位轨道杆。所述轨道杆通常是不锈钢轴或者镀锌钢轴。一套收口封口机构使用多个同步带和钢轴，其成本偏高，影响了整个自动垃圾桶的成本压缩。
为了解决上述的技术问题，本发明的目的是提供一种垃圾桶及其垃圾袋收口封口机构，不使用多个同步带及同步带轮，不使用或减少使用轨道杆，具有结构简单、体积紧凑、成本低的特点。
为了达到上述的目的，本发明采用了以下的技术方案：
一种垃圾袋收口封口机构，包括：
基板，基板中间的通孔区域为垃圾投入通道；
用于垃圾袋拢袋收口的拢袋杆；
用于垃圾袋热熔封口的热压杆；
还包括：
卷扬电机，卷扬电机的输出轴上固定有绞线轮；
拉线，拉线的一部分缠绕在绞线轮上，拉线的另一部分通过滑轮张紧设置在基板上；拢袋杆和热压杆分别固定在拉线上，卷扬电机带动绞线轮正反转动，从而通过拉线驱动拢袋杆和热压杆分别移动。
作为优选，所述拉线首尾连接呈闭环状，拉线与绞线轮固定连接。
作为优选，所述拉线的第一头直接固定在绞线轮上，所述拉线的第二头在绞线轮上预先绕若干圈后固定在绞线轮上；当卷扬电机正向转动，拉线的第一头部分被逐步绕到绞线轮上，而拉线的第二头部分被逐步从绞线轮上释放出来；当卷扬电机反向转动，被绕到绞线轮上的拉线的第一头部分又被逐步释放出来，而拉线的第二头部分又被逐步绕到绞线轮上。这样，随着卷扬电机的转动，拉线会沿着通孔区域边界方向做前进或者后退的直线运动。一根拉线的两个头都在绞线轮上，随着卷扬电机的转动，拉线必然有一部分是前进的，一部分是后退的。
作为优选，所述基板的通孔区域为方形或长方形，所述拉线在绕经这些滑轮及绞线轮后形成闭环；在基板的通孔区域的四个角上均设有拉线绕经的滑轮，拢袋杆的两端固定在拉线的沿X方向运动部分上，热压杆两端固定在拉线的沿Y方向运动部分上。这样，可将拢袋杆布置在X方向，将热压杆布置在Y方向。将拢袋杆两端固定在拉线的沿X方向运动部分，将热压杆两端固定在拉线的沿Y方向运动部分。随着卷扬电机的转动，拢袋杆和热压杆可以在各自方向上做直线移动。
作为优选，所述基板的通孔区域为方形或长方形，所述拉线在绕经这些滑轮及绞线轮后形成闭环；在基板的通孔区域的三个角上设有拉线绕经的滑轮，拢袋杆的一端固定在拉线的沿X方向运动部分上，热压杆的一端固定在拉线的沿Y方向运动部分上，基板上设置有分别用于拢袋杆和热压杆导向移动的两个轨道杆。
作为优选，包括两个热压杆和两个拢袋杆；两个拢袋杆被拉线带动相向运动，将垃圾袋收拢到桶口的中间位置；两个热压杆被拉线带动相向运动，与拢袋杆配合将垃圾袋收拢到桶口的中间位置；其中一个热压杆上设有电热丝，另一个热压杆上设有弹性体，两个热压杆把垃圾袋收口处热封切断。
作为优选，包括一个热压杆和一个拢袋杆；拢袋杆被拉线带动，将垃圾袋收拢到桶口靠边位置；同时热压杆被拉线带动，与拢袋杆配合将垃圾袋收拢到桶口的一角；基板在与热压杆相对应位置上设有电热杆，电热杆上设有电热丝，而热压杆上设有弹性体；所述弹性体与电热丝压紧把垃圾袋收口处热封切断。
作为优选，包括一个热压杆和两个拢袋杆；两个拢袋杆被拉线带动相向运动，将垃圾袋收拢到桶口的中间位置；基板在与热压杆相对应位置上设有电热杆，电热杆上设有电热丝，而热压杆上设有弹性体；拉线带动热压杆移动到电热杆位置，从而将收拢的垃圾袋压紧于电热杆上的电热丝之上，完成对垃圾袋的热封切断。
同一根拉线上的各点，其移动速度和距离都是一样的。这样就需要使上述拢袋杆和热压杆的移动距离必须一样。所以需要桶口是正方形，若拢袋杆是两根，其能移动的距离就是所述正方形边长的二分之一；并且同时也必须配两根热压杆，这样热压杆的移动距离也是所述正方形边长的二分之一。若拢袋杆是一根，其能移动的距离就是所述正方形的边长；并且同时也必须配一根热压杆，这样热压杆的移动距离也是所述正方形的边长。
对于桶口不是正方形的情况，可将桶口设计成长边长度等于短边长度二倍的长方形。在长边方向设置两根拢袋杆，在短边方向设置一根热压杆，而在与热压杆相对的基板边上安装电热丝。这样也可以使拢袋杆和热压杆同步移动，移动距离相同。
为实现多种尺寸、口径、形状的自动垃圾桶设计，实际中不一定能保证桶口是正方形，或者一边长度是另一边长度2倍的长方形。因此优选，包括两根独立的拉线，一根带动拢袋杆，另一根带动热压杆，这样就可以分别控制拢袋杆和热压杆的移动速度和距离，不会受到单根拉线时拢袋杆和热压杆移动距离必须相等的约束。两根拉线分别由两个卷扬电机带动，实现更灵活的控制；或者，由一个卷扬电机驱动两个绞线轮带动，如可以由带有两个输出轴的一个卷扬电机带动，两个输出轴上安装的绞线轮的线速度的比例，等于拢袋杆和热压杆所需移动的距离的比例。
一种垃圾桶，包括如上所述的一种垃圾袋收口封口机构。
本发明由于采用了以上的技术方案，采用卷扬电机和拉线驱动拢袋杆和热压杆移动，不需要使用多个同步带及同步带轮，不使用或减少使用轨道杆，具有结构简单、体积紧凑、成本低的特点。
构成本申请的一部分的说明书附图用来提供对本申请的进一步理解，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的限定。
图1是实施例1的结构示意图；
图2是实施例1在热封状态的示意图；
图3是实施例2的结构示意图；
图4是实施例3的结构示意图；
图5是实施例3在热封状态的示意图；
图6是实施例4的结构示意图；
图7是实施例5的结构示意图；
图8是实施例6的结构示意图；
图9是实施例6在热封状态的示意图。
下面结合附图与实施例对本发明作进一步说明。
应该指出，以下详细说明都是例示性的，旨在对本申请提供进一步的说明。除非另有指明，本文使用的所有技术和科学术语具有与本申请所属技术领域的普通技术人员通常理解的相同含义。
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，除非上下文另有明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上，除非另有明确的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
实施例1：
如图1所示的一种垃圾袋收口封口机构，包括基板1，基板中间的通孔区域101为垃圾投入通道。通常是把垃圾袋存储装置的底板作为收口封口装置的基板。为便于布置，通孔区域一般为近似方形或长方形。在通孔区域4角设有若干滑轮2，滑轮2可转动地安装在滑轮轴201上，滑轮轴201固定在基板1上。滑轮2上张紧设置有拉线3。拉线3设置在与通孔区域101的边102和边103平行的方向，所述两个边的方向分别定为X方向和Y方向。另设有卷扬电机4，卷扬电机4输出轴上固定有绞线轮401。所述拉线的第一头301直接固定在绞线轮401上，所述拉线的第二头302在绞线轮401上预先绕若干圈后固定在绞线轮上。初始如图1状态时，当卷扬电机4正向转动，图1中为逆时针转动，拉线的第一头301部分被逐步绕到绞线轮上，而拉线的第二头302部分被逐步从绞线轮401上释放出来。初始如图2状态时，当卷扬电机反向转动，图2中为顺时针转动，被绕到绞线轮上的拉线的第一头301部分又被逐步释放出来，而拉线的第二头302部分又被逐步绕到绞线轮上。随着卷扬电机4的转动，拉线3会沿着通孔区域边界的方向做前进或者后退的直线运动。一根拉线的两个头都在绞线轮上，随着卷扬电机的转动，拉线必然有一部分是前进的，一部分是后退的。
此垃圾袋收口封口机构还设有拢袋杆501、502和热压杆601、602。根据实际结构需要，可将拢袋杆布置在X方向，将热压杆布置在Y方向。将拢袋杆两端固定在拉线的沿X方向运动部分，将热压杆两端固定在拉线的沿Y方向运动部分。这样，随着卷扬电机的转动，拢袋杆和热压杆可以在各自方向上做直线移动。
本实施例设有两个拢袋杆501和502，被拉线带动相向运动。同时设有两个热压杆601和602，被拉线带动相向运动，与拢袋杆配合将垃圾袋收拢到桶口的中间位置。并且其中一个热压杆上设有电热丝，另一个热压杆上设有弹性体。卷扬电机4正转将拉线完全张紧后，两个热压杆把垃圾袋收口压紧于桶口中心位置，此时给电热丝通电，将垃圾袋收口处热封切断，见图2。
所述拢袋杆和热压杆，在平行于基板平面方向已经被拉线固定，可以受力；但是在垂直于基板平面的方向，只被拉线初步定位，受力后可能偏离。因基板上的机构还需要有盖板盖住，故可在基板和盖板上，在拢袋杆和热压杆两端的位置，设有定位筋，作为拢袋杆和热压杆在垂直于基板平面方向的边界。这样可以使拢袋杆和热压杆只在平行于基板平面方向移动，而在垂直于基板平面方向，只有微小间隙，不会有大的偏离。
本实施例还公开了一种垃圾桶，采用如上所述的垃圾袋收口封口机构。
实施例2：
实际设计中，可能考虑减少滑轮数目，缩短拉线长度，可以采用对拢袋杆和热压杆单端驱动的方式。
如图3所示的一种垃圾袋收口封口机构，拢袋杆501、502和热压杆601、602只有一端固定在拉线上，另一端不需要拉线牵引。这样，拉线只需要布置在桶口2个边上，即通孔区域101的相邻两侧，拉线缩短，滑轮数也减少。但是单端驱动的拢袋杆和热压杆，需要轨道杆定位和导向。在拢袋杆501和502上，与拉线2固定的一端设有孔，使轨道杆702穿过所述的孔，将拢袋杆501、502可滑动地固定在轨道杆702上；同样，热压杆601、602也可滑动地固定在轨道杆701上。此实施例简化了拉线和滑轮，但因为使用了金属轨道杆，成本略升高。
其他结构与实施例1相同或参考实施例1设置。
本实施例还公开了一种垃圾桶，采用如上所述的垃圾袋收口封口机构。
实施例3：
拢袋杆和热压杆固定在同一根拉线上，必然是同样的速度和行程。所以需要使收口封口机构从待机状态运行到封口状态时，拢袋杆和热压杆的行程一样。方形桶口，X方向和Y方向的行程一样，在X方向移动的拢袋杆和在Y方向移动的热压杆数目也要一样。前述实施例采用了两根拢袋杆和两根热压杆，拢袋杆和热压杆的行程一般是桶口边长的二分之一。为简化结构，也可以采用单根的拢袋杆和单根的热压杆。拢袋杆和热压杆的行程近似于桶口边长。
如图4所示的一种垃圾袋收口封口机构，拉线3采用了和实施例1中相同的布局，但是只有一根拢袋杆501和一根热压杆601，还需设有安装电热丝的电热杆603。当卷扬电机4逆时针转动时，可以使拢袋杆501将垃圾袋向边102收拢，同时热压杆601也将垃圾袋向电热杆603方向收拢。最终拢袋杆和热压杆配合将垃圾袋收拢到桶口101的左上角，在热压杆601将收拢的垃圾袋压紧到电热杆603上后，给安装在电热杆603上的电热丝通电，就可以将垃圾袋封口和切断，参见图5。
其他结构与实施例1相同或参考实施例1设置。
本实施例还公开了一种垃圾桶，采用如上所述的垃圾袋收口封口机构。
实施例4：
如图6所示的一种垃圾袋收口封口机构，当采用如实施例2中简化的拉线布置时，也可以用单根的拢袋杆501和单根的热压杆601。拉线和滑轮的简化，需要以增加轨道杆701和702为代价。
其他结构与实施例2相同或参考实施例2设置。
本实施例还公开了一种垃圾桶，采用如上所述的垃圾袋收口封口机构。
实施例5：
除了上述拢袋杆和热压杆都是两根的结构或者拢袋杆和热压杆都是一根的结构外，采用两根拢袋杆加一根热压杆的结构也常见。若要用一根拉线同时带动两根拢袋杆和一根热压杆，从待机状态到热封状态，一根热压杆移动的距离应该和一根拢袋杆移动的距离一样，故桶口形状应近似是长边长度为短边长度2倍的长方形。
如图7所示的一种垃圾袋收口封口机构，近似长方形的桶口101，边102的长度为边长103的2倍左右。拢袋杆501、502布置在沿长边102方向移动，热压杆601布置在沿短边103方向运动。当卷扬电机4逆时针转动，拉线3带动拢袋杆501、502相向移动，将垃圾袋收拢到桶口101中间位置；同时拉线3带动热压杆601移动到电热杆603位置，从而将收拢的垃圾袋压紧于电热杆603上的电热丝之上，完成对垃圾袋的热封。
其他结构与实施例1相同或参考实施例1设置。
本实施例还公开了一种垃圾桶，采用如上所述的垃圾袋收口封口机构。
实施例6：
单根拉线同时带动拢袋杆和热压杆，拢袋杆的移动距离和热压杆的移动距离之间的比例关系受到约束，从而约束了桶口的形状。
为实现多种尺寸、口径、形状的自动垃圾桶设计，实际中不一定能保证桶口是近似正方形，或者一边长度是另一边长度2倍的近似长方形。这时可以用两根独立的拉线，一根带动拢袋杆，另一根带动热压杆，这样就可以分别控制拢袋杆和热压杆的移动速度和距离，不会受到单根拉线时拢袋杆和热压杆移动距离之间固定关系的约束。两根拉线可以分别由两个卷扬电机带动，实现更灵活的控制。
如图8所示的一种垃圾袋收口封口机构，一拉线3带动拢袋杆501、502，由卷扬电机4驱动；另一拉线8带动热压杆601，由卷扬电机9驱动。拉线3和拉线8在图8中为了显示清楚而错位绘出，实际是上下布置。在同时有拉线3和拉线8经过的滑轮处，是上下安装有2个滑轮，一个定位拉线3，一个定位拉线8。当卷扬电机4逆时针转动，带动拢袋杆501、502将垃圾袋向桶口中间收拢；同时卷扬电机9也逆时针转动，带动热压杆601将垃圾袋向电热杆603靠拢，最后将垃圾袋收口处压紧于电热丝上，进行电热封口，如图9所示。
这样，拢袋杆和热压杆是独立移动，没有固定比例关系，所以桶口边102、103的尺寸可以灵活设计，做出符合用户需要的不同形状和尺寸的自动垃圾桶产品。
为进一步压缩成本，也可以由带有两个输出轴的单个卷扬电机带动，一个输出轴带动拉线3，另一个输出轴带动拉线8，两个输出轴上安装的绞线轮的线速度的比例，等于拢袋杆和热压杆所需移动的距离的比例。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“一种实施方式”、“具体实施方式”、“其他实施方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例、实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，上述描述的具体特征、结构、材料或者特点也可以在任何的一个或多个实施例、实施方式或示例中以合适的方式结合。本发明记载的技术方案也包括上述描述的任意一个或多个具体特征、结构、材料或者特点以单独或者组合的方式形成的技术方案。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在不脱离本发明的原理和宗旨的情况下在本发明的范围内可以对上述实施例进行变化、修改、替换、变型、删除部分特征、增加特征或重新进行特征组合形成的技术方案，凡是依据本发明的创新原理对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明技术方案的范围内。
Claims (10)
- 一种垃圾袋收口封口机构，包括：基板，基板中间的通孔区域为垃圾投入通道；用于垃圾袋拢袋收口的拢袋杆；用于垃圾袋热熔封口的热压杆；其特征在于，还包括：卷扬电机，卷扬电机的输出轴上固定有绞线轮；拉线，拉线的一部分缠绕在绞线轮上，拉线的另一部分通过滑轮张紧设置在基板上；拢袋杆和热压杆分别固定在拉线上，卷扬电机带动绞线轮正反转动，从而通过拉线驱动拢袋杆和热压杆分别移动。
- 根据权利要求1所述的一种垃圾袋收口封口机构，其特征在于，所述拉线首尾连接呈闭环状，拉线与绞线轮固定连接。
- 根据权利要求1所述的一种垃圾袋收口封口机构，其特征在于，所述拉线的第一头直接固定在绞线轮上，所述拉线的第二头在绞线轮上预先绕若干圈后固定在绞线轮上；当卷扬电机正向转动，拉线的第一头部分被逐步绕到绞线轮上，而拉线的第二头部分被逐步从绞线轮上释放出来；当卷扬电机反向转动，被绕到绞线轮上的拉线的第一头部分又被逐步释放出来，而拉线的第二头部分又被逐步绕到绞线轮上。
- 根据权利要求1所述的一种垃圾袋收口封口机构，其特征在于，所述基板的通孔区域为方形或长方形，所述拉线在绕经这些滑轮及绞线轮后形成闭环；在基板的通孔区域的四个角上均设有拉线绕经的滑轮，拢袋杆的两端固定在拉线的沿X方向运动部分上，热压杆两端固定在拉线的沿Y方向运动部分上。
- 根据权利要求1所述的一种垃圾袋收口封口机构，其特征在于，所述基板的通孔区域为方形或长方形，所述拉线在绕经这些滑轮及绞线轮后形成闭环；在基板的通孔区域的三个角上设有拉线绕经的滑轮，拢袋杆的一端固定在拉线的沿X方向运动部分上，热压杆的一端固定在拉线的沿Y方向运动部分上，基板上设置有分别用于拢袋杆和热压杆导向移动的两个轨道杆。
- 根据权利要求1所述的一种垃圾袋收口封口机构，其特征在于，包括两个热压杆和两个拢袋杆；两个拢袋杆被拉线带动相向运动，将垃圾袋收拢到桶口的中间位置；两个热压杆被拉线带动相向运动，与拢袋杆配合将垃圾袋收拢到桶口的中间位置；其中一个热压杆上设有电热丝，另一个热压杆上设有弹性体，两个热压杆把垃圾袋收口处热封切断。
- 根据权利要求1所述的一种垃圾袋收口封口机构，其特征在于，包括一个热压杆和一个拢袋杆；拢袋杆被拉线带动，将垃圾袋收拢到桶口靠边位置；同时热压杆被拉线带动，与拢袋杆配合将垃圾袋收拢到桶口的一角；基板在与热压杆相对应位置上设有电热杆，电热杆上设有电热丝，而热压杆上设有弹性体；所述弹性体与电热丝压紧把垃圾袋收口处热封切断。
- 根据权利要求1所述的一种垃圾袋收口封口机构，其特征在于，包括一个热压杆和两个拢袋杆；两个拢袋杆被拉线带动相向运动，将垃圾袋收拢到桶口的中间位置；基板在与热压杆相对应位置上设有电热杆，电热杆上设有电热丝，而热压杆上设有弹性体；拉线带动热压杆移动到电热杆位置，从而将收拢的垃圾袋压紧于电热杆上的电热丝之上，完成对垃圾袋的热封切断。
- 根据权利要求1所述的一种垃圾袋收口封口机构，其特征在于，包括两根独立的拉线，一根带动拢袋杆，另一根带动热压杆；两根拉线分别由两个卷扬电机带动，或者，由一个卷扬电机驱动两个绞线轮带动。
- 一种垃圾桶，其特征在于，包括如权利要求1至9中任一项所述的一种垃圾袋收口封口机构。
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