CN113800142B - Automatic bagging garbage can - Google Patents
Automatic bagging garbage can Download PDFInfo
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- CN113800142B CN113800142B CN202010477189.9A CN202010477189A CN113800142B CN 113800142 B CN113800142 B CN 113800142B CN 202010477189 A CN202010477189 A CN 202010477189A CN 113800142 B CN113800142 B CN 113800142B
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 151
- 230000005540 biological transmission Effects 0.000 claims abstract description 145
- 230000007246 mechanism Effects 0.000 claims abstract description 94
- 230000009471 action Effects 0.000 claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims description 25
- 238000013459 approach Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 14
- 230000001360 synchronised effect Effects 0.000 description 11
- 230000008901 benefit Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 101150114468 TUB1 gene Proteins 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Classifications
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- 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
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- 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
- B65F1/062—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks having means for storing or dispensing spare bags
-
- 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
- B65F1/065—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks with means aiding the insertion of the flexible insert
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuse Receptacles (AREA)
Abstract
The invention provides an automatic bagging garbage can, which comprises a can body, a garbage throwing port and a bagging assembly, wherein the garbage throwing port is positioned at the upper part of the can body; the grabbing unit moves along the horizontal direction to grab the first edge of the garbage bag and pulls the first edge of the garbage bag to synchronously move, and the second edge of the garbage bag is fixed, so that the garbage bag is opened; the transmission unit comprises a connecting rod transmission mechanism, the action of the grabbing unit in the horizontal direction is associated with the action of the connecting rod transmission mechanism in the vertical direction, and the problems of complex structure, poor transmission stability and high cost of the transmission mechanism of the bagging device of the existing garbage can are solved.
Description
Technical Field
The invention relates to the technical field of garbage cans, in particular to an automatic bagging garbage can.
Background
The garbage bin is very widely used in people's life, almost every family has several, however, current garbage bin usually needs the manual change disposal bag of manual work, when having a plurality of garbage bins in the family, and they are in different positions of family respectively, for example kitchen, bedroom, living room and bathroom, and the disposal bag is generally put alone in a position, so, need go to find the disposal bag earlier when changing the disposal bag, take down the disposal bag, walk to garbage bin position department, take down the disposal bag that fills up the rubbish, change new disposal bag, this kind of disposal bag operation procedure is loaded down with trivial details and still can dirty user's hand, influence user's use experience, and in some user's families of the space, the user often can forget the place of disposal bag, lead to finding new disposal bag in a short time when changing the disposal bag, influence use experience.
In the prior art, a synchronous belt transmission mode or a screw rod transmission mode is generally adopted to realize the horizontal movement of the driving grabbing unit. In the synchronous belt transmission mode, the transmission mechanism comprises a synchronous belt, a driving wheel and a driven wheel, the synchronous belt is wound on the driving wheel and the driven wheel, the motor drives the driving wheel to rotate, so that the synchronous belt rotates around the driving wheel and the driven wheel, the grabbing unit is matched with the synchronous belt to realize horizontal movement, the grabbing unit is generally provided with a rod body which spans a garbage throwing port, the rod body is matched with the synchronous belt to move, the synchronous belt is influenced by the transmission mode and needs to be installed on the upper wall of the installation frame, and the installation frame is provided with installation space of the driving wheel and the driven wheel, so that the installation space is required to be large, and the cost is high; and in the whole life of the product, the synchronous belt is in a tensioning state, and the phenomenon of slipping can occur for a long time.
The mode of lead screw transmission, motor drive lead screw rotates, snatchs the unit and cooperates with the lead screw and realize the horizontal direction and remove, snatchs the unit and generally has the body of rod that spanes the rubbish and put in the mouth, and the body of rod cooperates with the lead screw and removes, receives the influence of transmission mode, and the lead screw needs to be installed at the upper portion wall of installing frame, and needs to set up lead screw fixed knot constructs on installing frame, and the structure is complicated.
In the existing transmission mode, on one hand, the structural members are more, the transmission structure is complex and occupies more installation space, so that the garbage throwing space is limited, or the volume of the garbage can is larger, the use experience is affected, on the other hand, the synchronous belt is easy to wear, the service life is shorter, the cost is increased, and the synchronous belt is difficult to ensure a stable transmission ratio due to elastic sliding, so that the control is not facilitated; the machining precision of each part in the screw rod transmission is higher, the process is complex, the manufacturing cost is higher, and the grabbing unit is difficult to realize scram due to inertia when moving on the screw rod, and a self-locking structure is required to be arranged, so that the production cost is further increased.
Disclosure of Invention
First, the technical problem to be solved
The invention relates to an automatic bagging garbage can, which mainly solves the defects in the prior art, and particularly solves the problems of complex structure, poor transmission stability, limited installation and high cost of a transmission mechanism of a bagging device of the conventional garbage can.
(II) technical scheme
The invention provides an automatic bagging garbage can, which comprises a can body, a garbage throwing port and a bagging assembly, wherein the garbage throwing port is positioned at the upper part of the can body; the grabbing unit moves along the horizontal direction to grab the first edge of the garbage bag and pulls the first edge of the garbage bag to synchronously move, and the second edge of the garbage bag is fixed, so that the garbage bag is opened; the transmission unit comprises a connecting rod transmission mechanism, and the action of the grabbing unit in the horizontal direction is associated with the action of the connecting rod transmission mechanism in the vertical direction.
Compared with the existing transmission mode, the connecting rod transmission mechanism has the advantages of simple structure, lower manufacturing and replacement cost, easiness in obtaining higher precision, longer service life and better transmission stability, and the automatic bagging garbage can using the connecting rod transmission mechanism has the advantages of stable and reliable bagging.
The action of the connecting rod transmission mechanism in the vertical direction is associated with the action of the grabbing unit in the horizontal direction, the installation limit of the connecting rod transmission mechanism is small, the occupied space is small, the connecting rod transmission mechanism cannot occupy the preset garbage throwing and storing space, and particularly, on the premise that the sizes of the garbage cans are the same, the scheme of the invention can obtain a larger garbage throwing opening and a larger garbage storing space.
The connecting rod transmission mechanism is arranged on the outer side wall of the installation frame, and the arrangement mode can hide the connecting rod transmission mechanism on the side part of the installation frame, so that the installation frame is more attractive and sanitary; meanwhile, the space of the garbage throwing port cannot be occupied.
According to the technical scheme, the connecting rod transmission mechanism is arranged in the middle of the installation frame, namely, the connecting rod transmission mechanism is arranged in the middle of the garbage throwing opening, one end of the connecting rod transmission mechanism is connected with the middle of the grabbing unit in the technical scheme, and the grabbing unit is not easy to incline in the middle of the moving process, so that the synchronism of the two ends of the grabbing unit is guaranteed.
Further, in the stroke range of the grabbing unit, the connecting rod transmission mechanism is always located below the garbage throwing port.
The advantage is that the connecting rod transmission mechanism is always positioned below the garbage throwing port in the whole action process, so that the space below the garbage throwing port in the vertical direction is fully utilized, and the space utilization rate is improved.
Further, when the connecting rod transmission mechanism acts upwards, the grabbing unit is close to the garbage bag; conversely, when the connecting rod transmission mechanism acts downwards, the grabbing unit is far away from the garbage bag.
In the technical scheme, the driving unit is arranged opposite to the garbage bag, the weight of each part on the garbage can body is reasonably distributed, and the gravity center of the garbage can is positioned on or close to the axis of the garbage can, so that the garbage can is more stably placed; and the garbage throwing opening is positioned in the middle of the can body, so that a user can accurately throw garbage into the can body.
Further, the link transmission mechanism comprises a driving rod and a driven rod, wherein the driving rod is associated with the action of the driving unit, and one end of the driven rod is connected with the grabbing unit.
The advantages are simple structure, low power consumption and high transmission efficiency.
Further, the other end of the driven rod is connected with the driving rod, the driving unit drives the driving rod to swing, and one end of the driven rod connected with the grabbing unit does reciprocating horizontal movement under the action of the driving rod.
The advantage is that make the connecting rod drive mechanism constitute by driving lever and driven lever to drive mechanism's simple structure makes the friction between the part less, and then overcomes the less power that friction acting consumes, and transmission efficiency is higher.
Further, the travel distance of the grabbing unit is smaller than or equal to the sum of the lengths of the driving rod and the driven rod.
In the technical scheme, the grabbing unit is driven by the driven rod to move, and the driven rod is driven by the driving rod to move, so that the maximum travel distance of the grabbing unit is equal to the sum of the lengths of the driving rod and the driven rod when the driving rod and the driven rod move to be a horizontal line. The advantage that snatch unit travel distance is less than the sum of driving lever and driven lever length is that the driving lever can set up be close to the drive unit more, and the transmission of moment of being convenient for just ensures snatch the unit and can remove to the settlement position, guarantees transmission reliability.
Further, in the initial state, an included angle between the driving rod and the driven rod is beta, and the magnitude of beta is inversely proportional to the torque output by the driving unit.
The driving unit comprises a motor, the larger the torque output by the motor is, the higher the price is, and in the technical scheme, the smaller the beta is, the larger the required motor starting torque is; the smaller β, the less torque of the motor is required. Through the setting of the initial contained angle beta of driving rod and driven rod, can select suitable drive unit to ensure reliable transmission, prevent that the condition that snatchs the unit and does not move from taking place after the drive unit starts work from appearing, make the cost control in suitable scope simultaneously.
Preferably, beta is more than or equal to 1 degree and less than or equal to 30 degrees, and the advantages are that the transmission reliability is ensured, the torque of the driving unit is proper, and the cost is reasonable; when beta is smaller than 1 DEG, a motor capable of outputting larger torque is required to be selected, so that the connecting rod transmission mechanism can be ensured to transmit force to the grabbing unit, and the cost is increased; when beta is more than 30 degrees, a larger installation space is occupied, so that the volume of the machine is increased; or, in order to miniaturize the machine, the grabbing unit is arranged on the side wall of the garbage throwing opening with a gap, so that the area of the garbage throwing opening is reduced.
Further, the connection part of the driven rod and the driving rod is positioned between the other end of the driven rod and the other end of the driving rod.
The driving rod, the driven rod and the mounting frame are formed into an acute triangle, so that reliable transmission is ensured, and the connecting rod transmission mechanism can be effectively driven to move in an initial state. When the connecting part of the driven rod and the driving rod is close to the driving unit, the driving rod cannot drive the driven rod to move when swinging clockwise, so that the connecting rod transmission mechanism is blocked by the shell and cannot drive the grabbing unit to move; when the junction of driven pole and initiative pole is close to the disposal bag, when the drive unit action, the other end of initiative pole can be moved to the direction that is close to the drive unit, and link drive mechanism can not drive and snatch the unit and remove.
Further, when the grabbing unit is close to the garbage bag, the angle between the driving rod and the driven rod is gradually increased.
In the technical scheme, the garbage bag and the driving unit are oppositely arranged, and the weight is reasonably distributed, so that the gravity center of the garbage can is positioned on or close to the axis of the garbage can, and the garbage can is more stably placed; and the garbage throwing opening is positioned in the middle of the can body, so that a user can accurately throw garbage into the can body.
Further, the driven lever is connected with the grabbing unit through a pivot structure, and the pivot structure is provided with a first axis which is perpendicular to the moving direction of the grabbing unit.
The technical scheme is an implementation mode of how to drive the grabbing unit through the connecting rod transmission mechanism, and the structure is simple, reliable and stable.
Drawings
Fig. 1 is a schematic perspective view of a whole garbage can according to an embodiment of the present invention;
FIG. 2 is a schematic view of a structure of the link transmission mechanism in an initial position according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the portion indicated by A in FIG. 3 of FIG. 2;
FIG. 4 is a schematic view of a link transmission mechanism in a final position according to an embodiment of the present invention;
FIG. 5 is a schematic view of a structure of the link transmission mechanism in a moving process according to the embodiment of the present invention;
FIG. 6 is a schematic diagram of a transmission unit according to an embodiment of the invention;
FIG. 7 is an enlarged view of the portion indicated by B in FIG. 6;
FIG. 8 is a schematic diagram illustrating the cooperation between the driving unit and the transmission unit according to an embodiment of the invention;
FIG. 9 is a schematic diagram illustrating a partial structure of a link transmission mechanism according to an embodiment of the present invention;
FIG. 10 is a schematic view illustrating initial states of the driving rod and the driven rod according to an embodiment of the invention;
FIG. 11 is a schematic view of an initial state of the driving rod and the driven rod according to an embodiment of the invention;
FIG. 12 is another schematic view of the initial states of the driving rod and the driven rod according to the embodiment of the invention;
fig. 13 is a schematic structural view of the grabbing unit according to an embodiment of the present invention;
FIG. 14 is a schematic view of a roller mounting frame according to an embodiment of the present invention;
wherein, 1, the barrel body; 110. a garbage throwing port; 2. a bagging assembly; 210. a driving unit; 211. a drive gear; 220. a transmission unit; 221. a driving rod; 222. a driven rod; 230. a grabbing unit; 231. a roller mounting rack; 232. a roller; 233. a rod body; 240. a mounting frame; 241. a guide rail; 250. a rotating lever; 251. an intermediate gear; 252. a bearing; 253. a rotating arm; 254. a connecting shaft; 255. a connecting groove; 256. a clamping groove; 257. a track; 260. a pivoting structure; 261. a first axis; 3. a garbage bag; 310. a first edge; 320. a second side.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 1 to 14, an automatic bagging garbage can comprises a can body 1, a garbage throwing port 110 positioned at the upper part of the can body 1, and a bagging assembly 2, wherein the bagging assembly 2 is arranged at the upper part of the can body 1, the bagging assembly 2 comprises a driving unit 210, a transmission unit 220 which is associated with the action of the driving unit 210, a grabbing unit 230 which is associated with the action of the transmission unit 220 and is used for grabbing a garbage bag 3, and a mounting frame 240, and the inner wall of the mounting frame 240 is used for limiting the garbage throwing port 110; the grabbing unit 230 moves in the horizontal direction to grab the first edge 310 of the garbage bag 3 and pulls the first edge 310 of the garbage bag 3 to move synchronously, and the second edge 320 of the garbage bag 3 is fixed, so that the garbage bag 3 is opened; the transmission unit 220 includes a link transmission mechanism, and the movement of the grasping unit 230 in the horizontal direction is associated with the movement of the link transmission mechanism in the vertical direction.
As shown in fig. 1, the garbage can body 1 is a main body of the garbage can, the garbage can opening 110 is an opening for defining garbage can, the garbage can opening 110 is formed at the upper end of the garbage can body 1, and similarly, the garbage can opening 110 can be formed on the side wall of the garbage can body 1, so long as garbage can be put into the garbage can through the garbage can opening 110.
As shown in fig. 1, the bagging assembly 2 is a device for opening and sleeving the garbage bag 3 on the upper portion of the barrel body 1, because the garbage throwing opening 110 is arranged on the upper portion of the barrel body 1, the bagging assembly 2 is arranged on the upper portion of the barrel body 1, and the bag opening of the garbage bag 3 can be better opened and sleeved on the garbage throwing opening 110, wherein the driving unit 210 is a device for driving the bagging assembly 2 to complete the bagging action, such as a motor and the like, and can output power.
As shown in fig. 1, 2, 4 and 5, wherein the driving unit 210 drives the transmission unit 220 to act, and then the transmission unit 220 drives the grabbing unit 230 to move and grab the garbage bag 3, the garbage bag 3 comprises a first edge 310 and a second edge 320, wherein the second edge 320 is defined as being unable to move, and the first edge 310 is defined as being associated with the action of the grabbing unit 230, that is, the first edge 310 is grabbed by the grabbing unit 230 to move, so that the garbage bag 3 is propped open.
As shown in fig. 1, the installation frame 240 is installed in the tub 1, so that the installation frame 240 is convenient to detach and install, wherein the inside of the installation frame 240 defines the garbage throwing port 110, the driving unit 210 and the transmission unit 220 are arranged on the outer side wall of the installation frame 240, and the driving unit 210 and the transmission unit 220 are positioned between the installation frame 240 and the inner side wall of the tub 1.
As shown in fig. 1 to 5, the transmission unit 220 includes a link transmission mechanism, so that the grasping unit 230 is moved by the link transmission mechanism.
As shown in fig. 1, 2, 4 and 5, the link transmission mechanism has a plurality of links, two adjacent links are connected, and the driving unit 210 provides power to the link transmission mechanism, so that the link transmission mechanism is displaced in both the vertical direction and the horizontal direction. The motion of the gripping unit 230 in the horizontal direction is associated with the motion of the link gear in the vertical direction.
As shown in fig. 1, 2, 4, and 5, the gripping unit 230 is disposed across the link transmission mechanism, and the link transmission mechanism is directly connected with the gripping unit, so that torque transmission is facilitated, and force loss is reduced.
As shown in fig. 2, 4 and 5, the link transmission mechanism is always located below the garbage throwing port 110 in the travel range of the grabbing unit 230. The connecting rod transmission mechanism is always positioned below the garbage throwing port 110 in the whole action process, so that the space below the garbage throwing port 110 in the vertical direction is fully utilized, and the space utilization rate is improved.
Further, when the link transmission mechanism acts upward, the grabbing unit 230 approaches the garbage bag 3; conversely, when the link gear is downwardly moved, the grasping unit 230 is away from the trash bag 3. In the technical scheme, the driving unit 210 is arranged opposite to the garbage bag 3, the weight of each part on the garbage can body 1 is reasonably distributed, and the gravity center of the garbage can is positioned on or near the axis of the garbage can, so that the garbage can is more stably placed; and the garbage throwing opening 110 is positioned in the middle of the garbage can body 1, so that a user can accurately throw garbage into the garbage can body 1.
The link transmission mechanism includes a driving rod 221 associated with the motion of the driving unit 210, and a driven rod 222 associated with the motion of the driving rod 221, where one end of the driven rod 222 is movably connected with the gripping unit 230, one end of the driving rod 221 is movably connected with the mounting frame 240, and the other end of the driven rod 222 is movably connected with the other end of the driving rod 221, in this case, the movable connection means that although the two components are connected, the two components can generate relative motion.
The other end of the driven rod 222 is connected with the driving rod 221, the driving unit 210 drives the driving rod 221 to swing around the connection point of the driving rod 221 and the mounting frame 240, so that the driving rod 221 can generate displacement in the vertical direction, and the driven rod 222 is driven to generate displacement in the vertical direction, so that the end, connected with the grabbing unit 230, of the driven rod 222 performs reciprocating horizontal movement under the action of the driving rod 221. Further, since the driving lever 221 and the driven lever 222 constitute a link transmission mechanism, when the driving lever 221 and the driven lever 222 are coupled together, the driving lever 221 and the driven lever 222 are constructed in a "V" shape therebetween.
In this example, when the link transmission mechanism moves upward, that is, the connection part of the driving rod 221 and the driven rod 222 moves upward, the grabbing unit 230 moves in a direction close to the garbage bag 3 until the grabbing unit 230 stops moving to the position where the garbage bag 3 is located, the grabbing unit 230 successfully grabs the garbage bag 3, and then when the connection part of the driving rod 221 and the driven rod 222 moves downward, the grabbing unit 230 moves in a direction far away from the garbage bag 3, and the mouth part of the garbage bag 3 is opened, so as to complete automatic bagging.
As shown in fig. 4, the stroke distance of the grabbing unit 230 is smaller than or equal to the sum of the lengths of the driving rod 221 and the driven rod 222, specifically, since the grabbing unit 230 is connected to one end of the driven rod 222 and the driven rod 222 is connected to the driving rod 221 and is driven by the driving rod 221, the stroke distance of the grabbing unit 230 should be the sum of the distances between the driving rod 221 and the driven rod 222 at the maximum, that is, when the driving rod 221 and the driven rod 222 move in a horizontal line, the stroke distance of the grabbing unit 230 should be smaller than or equal to the sum of the lengths of the driving rod 221 and the driven rod 222, and in this example, the stroke distance of the grabbing unit 230 is preferably smaller than the sum of the lengths of the driving rod 221 and the driven rod 222.
As shown in fig. 10, the swing angle of the driving lever 221 is α, where α is an acute angle, and this may be the first case, in the initial state, the driving lever 221 is disposed at an angle with respect to the vertical direction, so that torque is convenient to be transmitted, and a motor with relatively low power is selected to drive the gripping unit 230 to move horizontally; in the second case, the link transmission mechanism is always positioned below the garbage throwing port 110 under the condition that the included angle between the initial state driving rod 221 and the vertical direction is not limited. When alpha is more than or equal to 90 degrees, the driving rod 221 and the driven rod 222 are spread to form a horizontal line or are protruded upwards, so that the connecting rod transmission mechanism is difficult to reset and even cannot reset, the garbage bag 3 cannot be opened, meanwhile, the space occupied by the connecting rod transmission mechanism is larger, and the overall attractiveness of the garbage can is affected; it may also cause the link transmission mechanism to be stuck and not effectively drive the movement of the grasping unit 230.
As shown in fig. 10, in the initial state, the included angle between the driving lever 221 and the driven lever 222 is β, and the magnitude of β is inversely proportional to the torque output from the driving unit 210. The driving unit 210 comprises a motor, the larger the torque output by the motor is, the higher the price is, in the technical scheme, the smaller the beta is, and the larger the torque required by the motor is; the smaller β, the less torque of the motor is required. By setting the initial angle β between the driving lever 221 and the driven lever 222, a suitable driving unit 210 can be selected, so that reliable transmission is ensured, the condition that the gripping unit does not move after the driving unit 210 is started to work is prevented, and meanwhile, the cost is controlled within a suitable range. Furthermore, beta is more than or equal to 1 degree and less than or equal to 30 degrees, so that the transmission reliability is ensured, the torque of the driving unit is proper, and the cost is reasonable; when beta is smaller than 1 DEG, a motor capable of outputting larger torque is required to be selected, so that the connecting rod transmission mechanism can be ensured to transmit force to the grabbing unit, and the cost is increased; when beta is more than 30 degrees, a larger installation space is occupied, so that the volume of the machine is increased; or, in order to miniaturize the machine, the grabbing unit is arranged on the side wall of the garbage throwing opening with a gap, so that the area of the garbage throwing opening is reduced.
As shown in fig. 10, the connection between the driven rod 222 and the driving rod 221 is located between the other end of the driven rod 222 and the other end of the driving rod 221, so that the driving rod 221, the driven rod 222 and the mounting frame 240 are configured into an acute triangle, reliable transmission is ensured, and the link transmission mechanism can be effectively driven to move in an initial state. As shown in fig. 11, when the connection between the driven lever 222 and the driving lever 221 approaches the driving unit 210, the driving lever 221 swings clockwise, and the driven lever 222 cannot be driven to move, so that the link transmission mechanism is blocked and the grabbing unit cannot be driven to move; as shown in fig. 12, when the connection between the driven lever 222 and the driving lever 221 approaches the garbage bag 3, the other end of the driving lever 221 moves in a direction approaching the driving unit 210 when the driving unit 210 is operated, and the link transmission mechanism cannot drive the gripping unit 230 to move.
As shown in fig. 10, when the gripping unit 230 approaches the garbage bag 3, the angle between the driving rod 221 and the driven rod 222 becomes larger gradually, in this example, the garbage bag 3 is opposite to the driving unit 210, and the weight is reasonably distributed, so that the center of gravity of the garbage can is located on or near the axis of the garbage can, and the garbage can is more stably placed; and the garbage throwing opening 110 is positioned in the middle of the can body, so that a user can accurately throw garbage into the can body.
In another example, the driving unit 210 and the garbage bag 3 are disposed on the same side of the mounting frame 240, and when the grasping unit 230 approaches the garbage bag 3, the included angle between the driving lever 221 and the driven lever 222 is gradually reduced; when the grasping unit 230 is away from the trash bag 3, the angle between the movable lever 221 and the driven lever 222 becomes gradually larger.
As shown in fig. 2 and 3, the driven lever 222 is connected to the grasping unit 230 by a pivot structure having a first axis perpendicular to the moving direction of the grasping unit 230. The present solution is an implementation manner of how to drive the grabbing unit 230 through the link transmission mechanism, which is simple, reliable and stable in structure. The pivoting structure in this example may be a pin, a screw, or the like for connecting the driven lever 222 with the grasping unit 230.
As shown in fig. 1 to 6, the transmission unit 220 includes a set of link transmission mechanisms provided at both sides of the grasping unit 230, and the motion of the grasping unit 230 in the horizontal direction is associated with the motion of the set of link transmission mechanisms in the vertical direction.
Compared with the existing transmission mode, the connecting rod transmission mechanism has the advantages of simple structure, lower manufacturing and replacement cost, easiness in obtaining higher precision, longer service life and better transmission stability, and the automatic bagging garbage can using the connecting rod transmission mechanism has the advantages of stable and reliable bagging.
The synchronicity of the link transmission mechanism is well controlled, so the rod body 233 of the grasping unit 230 is not easily inclined, and thus the reliability of the bagging can be ensured. The jamming caused by the tilting of the grasping unit 230 due to the unsynchronized ends of the grasping unit 230 is avoided.
Through the arrangement of a group of connecting rod transmission mechanisms, the reliability and stability of power transmission can be ensured.
In this case, the group of link transmission structures may be respectively disposed on the outer side walls of the mounting frame 240, and the group of link transmission mechanisms are disposed opposite to each other, so that the link transmission mechanisms are hidden on the side portions of the mounting frame 240, thereby being more attractive and sanitary; meanwhile, the space of the garbage throwing port 110 is not occupied; in addition, the same transmission mode is adopted at both ends of the grabbing unit 230, the transmitted forces are basically the same, the moving synchronism of both ends of the grabbing unit 230 is ensured, and the grabbing unit 230 is prevented from tilting in the moving process.
Another implementation manner of the present technical solution is that the link transmission mechanism is disposed in the middle of the mounting frame 240, that is, the link transmission mechanism is disposed in the middle of the garbage throwing opening 110, in this technical solution, one end of the link transmission mechanism is connected with the middle of the grabbing unit 230, in this way, the middle of the grabbing unit 230 is not easy to incline in the moving process, and the synchronicity of two ends of the grabbing unit 230 is ensured.
Further, as shown in fig. 6 and 8, the group of link transmission mechanisms are associated with the actions of the same driving unit 210, on one hand, the same driving unit 210 drives the group of link transmission mechanisms, and the moment obtained by the group of link transmission mechanisms is the same as the starting time, especially when the group of link transmission mechanisms are connected with the two ends of the grabbing unit 230, the synchronicity of the two ends of the grabbing unit 230 can be ensured, the inclination of the grabbing unit 230 is avoided, and the transmission is stable and smooth; on the other hand, the manner of corresponding each transmission mechanism to one driving unit 210 increases the cost, and the requirement for the synchronicity and precision of the driving units is increased, so that the design difficulty is increased, and the failure rate is increased compared with the technical scheme.
As shown in fig. 6 to 9, the transmission unit 220 further includes a rotation rod 250, the set of link transmission mechanisms are connected to the rotation rod 250 and disposed at two sides of the rotation rod 250, and the driving unit 210 drives the rotation rod 250 to rotate so that the set of link transmission mechanisms generate a motion in a vertical direction. By the arrangement of the rotating rod 250, the force can be simultaneously transmitted to a group of connecting rod transmission mechanisms, so that the movement synchronism of the group of connecting rod transmission mechanisms is good. The transmission unit 220 further includes a middle gear 251, the middle gear 251 is sleeved on the rotating rod 250, the rotating rod 250 passes through the center of the middle gear 251, the driving unit 210 drives the middle gear 251 to rotate, and further drives the rotating rod 250 to rotate, the middle gear 251 and the rotating rod 250 rotate synchronously, the driving unit 210 includes a driving gear 211 and a motor meshed with the middle gear 251, the driving gear 211 is driven to rotate by the motor, and the driving gear 211 drives the middle gear 251 to rotate, and further drives the rotating rod 250 to rotate. The rotating rod 250 comprises a rotating arm 253 matched with the connecting rod transmission mechanism, the rotating arm 253 rotates relative to the connecting rod transmission mechanism to enable the connecting rod transmission mechanism to act in the vertical direction, namely the rotating rod 250 controls the action of the connecting rod transmission mechanism through the rotating arm 253, the rotating arm 253 comprises a first end and a second end opposite to the first end, the first end is fixedly connected with the end part of the rotating rod 250, and the second end is movably connected with the connecting rod transmission mechanism.
The rotating arm 253 is provided with a connecting shaft 254, the connecting rod transmission mechanism is provided with a connecting groove 255 matched with the connecting shaft 254, the connecting shaft 254 moves up and down in the connecting groove 255, the connecting groove 255 plays a role of a track 257 for enabling the connecting shaft 254 to move in the connecting groove according to a specified direction, specifically, the connecting shaft 254 is of a columnar structure, the connecting shaft 254 is preferably integrally formed at a second end position for ensuring the strength of the connecting shaft 254, of course, the connecting shaft 254 can be also detachably formed and mounted on the rotating arm 253, the connecting groove 255 is arranged on the side wall of the driving rod 221, the connecting groove 255 is preferably a groove dug in a certain space outwards extending from the side wall of the driving rod 221, the connecting groove 255 is of a strip shape, the maximum length of the connecting groove 255 is not more than the length of the driving rod 221, and the width of the connecting groove 255 is not less than the diameter of the connecting shaft 254, so that the connecting shaft 254 can smoothly move up and down in the connecting groove 255.
It is understood that the connection groove 255 may be embedded in a sidewall of the driving lever 221.
The connecting shaft 254 is provided with a clamping groove 256, a track 257 matched with the clamping groove 256 is arranged in the connecting groove 255, specifically, the clamping groove 256 is used for limiting the position of the connecting shaft 254, the connecting shaft 254 is prevented from being separated from the connecting groove 255 in the moving process, and the track 257 is used for being matched with the part of the connecting shaft 254 with the clamping groove 256 to move in the connecting groove 255.
The transmission unit 220 further includes a bearing 252 connected to the mounting frame 240, the bearing 252 is sleeved on the rotating rod 250 and is located between the rotating arm 253 and the intermediate gear 251, because the two ends of the rotating rod 250 need to be connected to the rotating arm 253 and also need to drive the rotating arm 253 to move, the rotating rod 250 needs to bear a large force, so that the rotating rod 250 is easy to break or deform, and a bearing 252 needs to be disposed between the rotating arm 253 and the intermediate gear 251, so that the bearing 252 can also ensure stable and reliable rotation of the rotating rod 250 on the premise of supporting the rotating rod 250, and the bearing 252 has smaller friction, so that the rotating rod 250 has smaller loss in the rotation process and more stable rotation. It will be appreciated that the bearing 252 may be replaced by other structures provided on the mounting frame 240 for preventing the rotational lever 250 from being deformed by force.
As shown in fig. 13 and 14, the grabbing unit 230 includes a rod 233 and a roller 232 connected with the rod 233, a guide rail 241 is disposed on the mounting frame 240, the roller 232 cooperates with the guide rail 241 to roll to implement movement of the grabbing unit 230, and the roller 232 cooperates with the guide rail 241 in a rolling manner, so that rolling friction is formed between the roller 232 and the guide rail 241, and the rolling friction is relatively small, so that resistance of the grabbing unit 230 in the moving process is small, required output power of a motor is small, and production cost is reduced.
The number of rollers 232 is even, and at least the rollers 232 are disposed at one end of the rod 233, wherein, in one example, the rollers 232 may be disposed at one end of the rod 233, so that the other end of the rod 233 slides with the mounting frame 240, and at this time, the movement of the rod 233 may be realized by sliding fit between the end of the rod 233 without the rollers 232 and the end of the rod 233 with the rollers 232 in the prior art, so as to drive the movement of the end of the rod 233 with the rollers 232 along the mounting frame 240. In another example, the rollers 232 are respectively disposed at two ends of the rod 233, and the rod 233 and the guide rail 241 are in rolling friction, so that the moving synchronicity of the two ends of the rod 233 is more easily ensured, the inclination generated in the moving process is prevented, and the bagging failure caused by the inclination of the rod 233 is further prevented.
Further, the rollers 232 are respectively disposed at two ends of the rod 233, and the number of each end is the same, so that the resistance of the two ends of the rod 233 is substantially consistent during the movement process, and it is easier to ensure that the two ends of the rod 233 can move synchronously, so that the rod 233 is prevented from tilting due to inconsistent moving speeds of the two ends during the movement process, thereby affecting the grabbing unit 230 to grab the garbage bag 3, and improving the stability and reliability of the movement of the rod 233.
Further, the number of the rollers 232 at each end of the rod 233 is at least two, and the rollers 232 at each end are arranged at intervals along the moving direction of the grabbing unit 230, that is, the rollers 232 at each end are arranged front and back, and when the rod 233 moves forward (the rod 233 moves towards the garbage bag 3) through the rollers 232 arranged front and back at each end, the rollers 232 behind provide positioning, so that the moving synchronicity of the two ends of the rod 233 is ensured, and the rod 233 is prevented from tilting during the advancing process; when the rod 233 moves backward (the grabbing unit 230 grabs the garbage bag 3 and moves backward), the front roller 232 provides positioning, so that the synchronism of the movement of the two ends of the rod 232 is ensured, and the rod 233 is prevented from tilting during the backward movement.
As shown in fig. 14, in this embodiment, the number of the rollers 232 is four, so that a reliable and simplified structure is achieved in which no inclination occurs during the advancing and retreating of the rod 233. Each end of the rod 233 has two rollers 232 and is spaced apart.
As shown in fig. 14, the mounting frame 240 has a side wall, the guide rail 241 is an opening provided on the side wall of the mounting frame 240, and the roller 232 is disposed in the opening and rolls in cooperation with the lower edge of the opening; specifically, the openings are preferably in a bar-shaped structure and are horizontally arranged, and it is understood that the inclined arrangement of the openings should be regarded as being within the scope of the present embodiment. The roller 232 is disposed in the opening, such that the opening can define a moving track of the roller 232, and the roller 232 can only move along the opening.
Alternatively, the guide rail 241 may be a rib provided on the mounting frame 240, the roller 232 may roll along the rib, and the rib may be provided on a side wall of the mounting frame 240 or may be provided on a top wall of the mounting frame 240.
As shown in fig. 3 and 14, the grabbing unit 230 further includes a roller mounting frame 231, the roller 232 is disposed on the roller mounting frame 231, the roller mounting frame 231 is connected with the rod body 233, specifically, the roller mounting frame 231 is set to better detach the roller 232 from the grabbing unit 230, so that the roller 232 is convenient to clean and replace, in this case, the shape of the roller mounting frame 231 is not limited, as long as the roller 232 can be driven to move on the guide rail 241, in this case, the preferred rollers 232 are disposed on the roller mounting frame 231 at intervals side by side, and all the rollers 232 are mounted on one side of the roller mounting frame 231, and the roller mounting frame 231 is connected with the driven rod 222 and driven by the driven rod 222 to move.
As shown in fig. 3, the driven lever 222 is connected to the grasping unit 230 through a pivot structure 260, the pivot structure 260 having a first axis 261, the first axis 261 being perpendicular to the moving direction of the grasping unit 230. The embodiment is not limited to the specific shape of the pivot structure 260, as long as the driven lever 222 can swing along the pivot structure 260, the preferred pivot structure 260 is a columnar structure, and the driven lever 222 is sleeved on the pivot structure 260, so that the driven lever 222 can swing smoothly.
Embodiment two:
the difference between the present embodiment and the second embodiment is that the setting position of the transmission unit 220 is different, the transmission unit 220 is disposed at the garbage throwing opening 110, that is, the link transmission mechanism is disposed at the garbage throwing opening 110, the grabbing unit 230 includes a rod 233, the rod 233 spans the garbage throwing opening 110, a pivot structure is disposed in the middle of the rod 233, and the link transmission mechanism is connected with the pivot structure.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention, but any modifications, equivalent substitutions and improvements made within the technical scope of the present invention are included in the scope of the present invention.
Claims (4)
1. An automatic bagging garbage can comprises a can body, a garbage throwing opening positioned at the upper part of the can body,
the garbage can is characterized by further comprising a bagging assembly, wherein the bagging assembly is arranged at the upper part of the can body and comprises a driving unit, a transmission unit associated with the action of the driving unit, a grabbing unit associated with the action of the transmission unit and used for grabbing garbage bags, and a mounting frame, and the inner wall of the mounting frame defines the garbage throwing opening;
the grabbing unit moves along the horizontal direction to grab the first edge of the garbage bag and pulls the first edge of the garbage bag to synchronously move, and the second edge of the garbage bag is fixed, so that the garbage bag is opened;
the transmission unit comprises a connecting rod transmission mechanism, and the action of the grabbing unit in the horizontal direction is related to the action of the connecting rod transmission mechanism in the vertical direction;
in the stroke range of the grabbing unit, the connecting rod transmission mechanism is always positioned below the garbage throwing port, and when the connecting rod transmission mechanism acts upwards, the grabbing unit is close to the garbage bag; conversely, when the connecting rod transmission mechanism acts downwards, the grabbing unit is far away from the garbage bag;
the connecting rod transmission mechanism is arranged on the outer wall of the mounting frame, and is always positioned between the barrel body and the outer wall of the mounting frame in the travel range; the driving unit is positioned below the garbage throwing opening, is arranged on the outer side wall of the mounting frame, and is arranged opposite to the garbage bag on the mounting frame;
the grabbing unit comprises a rod body crossing the garbage throwing opening and rollers connected with two ends of the rod body, wherein the number of the rollers at each end of the rod body is the same as at least two, and the rollers at the same end are arranged at intervals along the moving direction of the grabbing unit; the mounting frame is provided with a group of parallel and opposite guide rails, and the rollers and the guide rails are matched to roll to realize the movement of the grabbing unit;
the connecting rod transmission mechanism comprises a driven rod with one end connected with the grabbing unit and a driving rod connected with the other end of the driven rod, wherein one end of the driven rod connected with the grabbing unit reciprocates and horizontally moves under the action of the driving rod, and a group of connecting rod transmission mechanisms are respectively connected with two ends of the grabbing unit;
the transmission unit further comprises a rotating rod which is associated with the driving unit, rotating arms are arranged at two ends of the rotating rod, and the driving unit drives the rotating rod to act so as to drive the rotating arm to drive the connecting rod transmission mechanism to act; the rotary arm comprises a first end and a second end opposite to the first end, the first end is fixedly connected with the end part of the rotary rod, the second end is provided with a columnar connecting shaft integrally formed with the rotary arm, the driving rod is provided with a connecting groove allowing the connecting shaft to move up and down in the driving rod, the connecting shaft is provided with a clamping groove, and a track matched with the clamping groove is arranged in the connecting groove;
in an initial state, the included angle between the driving rod and the driven rod is beta, the size of beta is inversely proportional to the torque output by the driving unit, beta is more than or equal to 1 degree and less than or equal to 30 degrees, and the angle between the driving rod and the driven rod gradually becomes larger when the grabbing unit approaches to the garbage bag.
2. The trash can of claim 1, wherein a travel distance of the grasping unit is equal to or less than a sum of lengths of the driving lever and the driven lever.
3. The trash can of claim 1, wherein the connection of the driven lever to the driving lever is located between the other end of the driven lever and the other end of the driving lever.
4. The trash can of claim 1, wherein the driven lever is connected with the grabbing unit through a pivot structure having a first axis perpendicular to a moving direction of the grabbing unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010477189.9A CN113800142B (en) | 2020-05-29 | 2020-05-29 | Automatic bagging garbage can |
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| CN202010477189.9A CN113800142B (en) | 2020-05-29 | 2020-05-29 | Automatic bagging garbage can |
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| CN113800142B true CN113800142B (en) | 2024-03-22 |
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