CN218143563U - Bag discharging roller, bag discharging device and garbage can - Google Patents

Abstract

The utility model relates to a lower bag roller, lower bagging apparatus and garbage bin, wherein, the lower bag roller includes: the roller comprises a roller body, a first rotating ring, a second rotating ring and a driver; first rotating ring and second rotating ring cover are established on the roll body, and first rotating ring rotates and sets up on the first end of roll body, the second rotating ring rotates and sets up on the second end of roll body, the driver sets up on the roll body, the driver is connected with the drive of second rotating ring, first rotating ring and second rotating ring are used for the butt in the inboard surface of reel, and first rotating ring and second rotating ring are used for driving the reel and rotate the setting on the roll body. The disposal bag on the reel can be along with the rotation of second swivel becket automatic whereabouts to the length that corresponds to accomplish the bagging-off, like this, only need establish the disposal bag cover on the reel, can carry out automatic bagging-off, the taking of the disposal bag of being convenient for.

Description

Bag discharging roller, bag discharging device and garbage can

Technical Field

The utility model relates to a garbage bin technical field, in particular to bag roller, lower bagging apparatus and garbage bin down.

Background

The current garbage bin usually needs take out the back with old disposal bag, takes new disposal bag and establish its cover in the garbage bin, for the convenience of transportation stores, usually connects gradually and convolutes on the reel with a plurality of disposal bags at present, nevertheless, when taking the disposal bag, needs expose the junction between the disposal bag, tears the junction and takes off the disposal bag, consequently, need rotate the reel through the staff to the junction with the disposal bag of coiling on the reel exposes to the external world. However, the roll is rotated by hands when the garbage bag is taken out at every time, which is inconvenient.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a bag discharging roller, a bag discharging device and a garbage can.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a lower bag roll comprising: the roller comprises a roller body, a first rotating ring, a second rotating ring and a driver;

first rotating ring with the second rotating ring cover is established on the roll body, just first rotating ring rotates to set up the first of roll body is served, the second rotating ring rotates to set up the second of roll body is served, the driver sets up on the roll body, the driver with the second rotating ring drive is connected, first rotating ring and the second rotating ring is used for the butt in the inboard surface of reel, just first rotating ring and the second rotating ring is used for driving the reel and rotates the setting and be in on the roll body.

In one embodiment, the roller further comprises a first gear and a second gear, the inner side surface of the second rotating ring is provided with a toothed portion, the roller body is axially provided with an accommodating cavity, the roller body is provided with an opening, the opening is communicated with the accommodating cavity, the driver is fixedly arranged in the accommodating cavity, the driver is in driving connection with the first gear, the first gear is meshed with the second gear, and at least part of the second gear penetrates through the opening to be meshed with the toothed portion.

In one embodiment, the second rotating ring is provided with a limit stop ring, and the limit stop ring is used for abutting against one end of the winding drum.

In one embodiment, a clamping block is arranged on the second rotating ring and used for being clamped with the side wall of the clamping groove on the winding drum.

In one embodiment, the roller further comprises a butting ring, a first through groove is formed in the first end of the roller body, the first through groove is communicated with the accommodating cavity, a first buckling block is convexly arranged on the side wall of the first through groove in the direction away from the accommodating cavity, the butting ring is sleeved on the outer side surface of the first end of the roller body, the butting ring is buckled with the first buckling block, and the butting ring is movably butted against the first surface of the first rotating ring;

the roller body is provided with a first protruding portion, and the first protruding portion is movably abutted to the second face of the first rotating ring.

In one embodiment, the roller further comprises a limiting convex ring, a second through groove is formed in the second end of the roller body, the second through groove is communicated with the accommodating cavity, a second clamping block is convexly arranged on the side wall of the second through groove in the direction away from the accommodating cavity, a clamping port is formed in the limiting convex ring, the limiting convex ring is sleeved on the outer surface of the second end of the roller body, the second clamping block is inserted into the clamping port, and the width of the limiting convex ring is larger than the inner diameter of the second rotating ring.

In one embodiment, the roller body is provided with a second protrusion, and the width of the second protrusion is larger than the inner diameter of the second rotating ring.

The utility model provides a lower bagging apparatus, includes reel and disposal bag, includes the lower bag roller in above-mentioned arbitrary embodiment, the inside of reel has the cavity, the reel cover is established the roll body first rotating ring and the outside of second rotating ring, the lateral wall of cavity with the outside surface of first rotating ring and the outside surface butt of second rotating ring, the disposal bag cover is established on the outside surface of reel.

A trash can comprises the bag discharging device in any one of the above embodiments.

In one embodiment, the garbage can comprises a can body, wherein the can body is provided with a storage groove, a first side wall of the storage groove is provided with a first positioning groove, a second side wall of the storage groove is provided with a second positioning groove, the first side wall and the second side wall of the storage groove are mutually spaced and are mutually parallel, and the side wall of the second positioning groove is provided with a blocking groove;

the first end of the roller body is connected with the side wall of the first positioning groove in a clamped mode, the second end of the roller body is provided with a stop dog, the second end of the roller body is connected with the side wall of the second positioning groove in a clamped mode, and the stop dog is connected with the side wall of the blocking groove in a clamped mode.

The utility model has the advantages that: the utility model provides a pair of bag roller down, through establishing the disposal bag cover on the reel, reel and first rotating ring and second rotating ring butt, open the driver, make driver drive second rotating ring rotate, thereby make the second rotating ring rotate, can drive the reel rotation because of second rotating ring and first rotating ring, thus, the disposal bag on the reel can be along with the automatic length to corresponding that falls of rotation of second rotating ring, thereby accomplish the bag down, and thus, only need establish the disposal bag cover on the reel, can carry out automatic bag down, the taking of the disposal bag of being convenient for.

Drawings

FIG. 1 is a schematic view of a lower bag roll according to one embodiment;

FIG. 2 is an exploded schematic view of a lower bag roll of one embodiment;

FIG. 3 is an exploded view in another direction of a lower bag roll according to one embodiment;

FIG. 4 is a schematic view showing the construction of a lower bag roll according to another embodiment;

FIG. 5 is an exploded view of another embodiment of a bagging roll;

FIG. 6 is a schematic structural view of a trash can of one embodiment;

fig. 7 is an exploded view of the trash can of an embodiment.

In the attached drawings, 10, a bag discharging device; 20. a trash can; 100. a roller body; 110. an accommodating cavity; 120. an opening; 130. a first through groove; 131. a first buckle block; 140. a first boss; 150. a second through groove; 151. a second buckle block; 160. a second boss portion; 170. a stopper; 200. a first rotating ring; 300. a second rotating ring; 310. a limit stop ring; 320. a clamping block; 400. a driver; 410. a first gear; 420. a second gear; 500. a butting ring; 600. a limit convex ring; 610. a card interface; 620. a holding block; 700. a winding drum; 710. a cavity; 720. a card slot; 800. a refuse bag; 900. a barrel body; 910. a storage groove; 911. a first positioning groove; 912. a second positioning groove; 913. and (6) blocking the groove.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other. The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and should not be construed as limiting the patent, and those skilled in the art can understand the specific meaning of the terms according to the specific situation.

In one embodiment, as shown in fig. 1-3, a bottom pocket roll comprises: a roller body 100, a first rotating ring 200, a second rotating ring 300, and a driver 400; the first rotating ring 200 and the second rotating ring 300 are sleeved on the roller body 100, the first rotating ring 200 is rotatably arranged at the first end of the roller body 100, the second rotating ring 300 is rotatably arranged at the second end of the roller body 100, the driver 400 is arranged on the roller body 100, the driver 400 is in driving connection with the second rotating ring 300, the first rotating ring 200 and the second rotating ring 300 are used for being abutted against the inner side surface of the winding drum 700, and the first rotating ring 200 and the second rotating ring 300 are used for driving the winding drum 700 to rotate and be arranged on the roller body 100.

In this embodiment, the cross-sectional shape of the roller body 100 is circular, the cross-sectional area of the middle portion of the roller body 100 is larger than the cross-sectional area of the first end and the cross-sectional area of the second end, the inner side surface of the first rotating ring 200 and the inner side surface of the second rotating ring 300 are at least partially smooth surfaces, the outer side surface of the first rotating ring 200 and the outer side surface of the second rotating ring 300 are rough surfaces, so that the first rotating ring 200, the second rotating ring 300 and the winding drum 700 rotate synchronously, the driver 400 is provided as a motor, and the manner in which the motor drives the second rotating ring 300 to rotate is known to those skilled in the art and can be implemented, and is not described as redundant in this embodiment.

In this embodiment, the outer diameter of the first rotating ring 200 and the outer diameter of the second rotating ring 300 are larger than the diameter of the roller body 100, so that when the winding drum 700 is sleeved outside the roller body 100, the first rotating ring 200 and the second rotating ring 300, the inner side surface of the winding drum 700 abuts against the first rotating ring 200 and the second rotating ring 300, and the second rotating ring 300 drives the winding drum 700 to rotate through friction.

It is worth to say that, by sleeving the garbage bag 800 on the winding drum 700, the winding drum 700 is sleeved on the roller body 100, the inner side surface of the winding drum 700 is abutted to the outer side surfaces of the first rotating ring 200 and the second rotating ring 300, and then the driver 400 is opened, so that the driver 400 drives the second rotating ring 300 to rotate, so that the second rotating ring 300 rotates, the winding drum 700 can be driven to rotate by the second rotating ring 300 and the first rotating ring 200, and thus, the garbage bag 800 on the winding drum 700 can be gradually unfolded along with the rotation of the second rotating ring 300, so that the garbage bag automatically falls to a corresponding length, and the bag is discharged, so that the garbage bag 800 can be automatically discharged only by sleeving the garbage bag 800 on the winding drum 700, and the garbage bag 800 can be taken and taken conveniently.

In order to facilitate the installation of the driver 400, in an embodiment, as shown in fig. 3, the lower pocket roll further includes a first gear 410 and a second gear 420, a toothed portion is disposed on an inner side surface of the second rotating ring 300, the roll body 100 is axially provided with an accommodating cavity 110, the roll body 100 is provided with an opening 120, the opening 120 is communicated with the accommodating cavity 110, the driver 400 is fixedly disposed in the accommodating cavity 110, the driver 400 is in driving connection with the first gear 410, the first gear 410 is engaged with the second gear 420, and the second gear 420 at least partially penetrates through the opening 120 to be engaged with the toothed portion.

Specifically, the inner side surface of the second rotating ring 300 is provided with a toothed portion and a rotating portion, the rotating portion is rotatably disposed at the second end of the roller body 100, the rotating portion is disposed as a smooth surface, and the rotating portion is rotatably abutted to the roller body 100, so that the second rotating ring 300 can be smoothly rotated under the support of the roller body 100, the driver 400 is in transmission connection with the first gear 410 through the driving shaft, and the first gear 410 and the second gear 420 are disposed in the accommodating chamber 110. Like this, drive first gear 410 through driver 400 and rotate to drive second gear 420 and rotate, second gear 420 can drive insection portion and rotate thereupon, thereby makes driver 400 can drive second rotating ring 300 and rotate, and because of driver 400 places in holding chamber 110, roll body 100 can play the guard action to driver 400, prevents that driver 400 from receiving stained, and the installation of driver 400 of being convenient for is used.

To facilitate the limit installation of the winding drum 700, in one embodiment, as shown in fig. 4 and 5, the second rotating ring 300 is provided with a limit stop ring 310, and the limit stop ring 310 is used for abutting against one end of the winding drum 700. Specifically, one end of the second rotating ring 300, which is far away from the first rotating ring 200, is provided with a limit stop ring 310, and the limit stop ring 310 abuts against the winding drum 700, so that the winding drum 700 is effectively prevented from falling off from the second rotating ring 300, and thus, the limit installation of the winding drum 700 is facilitated.

In order to make the second rotating ring 300 better drive the winding drum 700 to rotate, in one embodiment, as shown in fig. 4 and 5, a latch 320 is disposed on the second rotating ring 300, and the latch 320 is used for being clamped with a side wall of a clamping groove 720 on the winding drum 700. Specifically, one end of the winding drum 700 is provided with a clamping groove 720, the shape of the clamping groove 720 is matched with that of the clamping block 320, and when the inner side surface of the winding drum 700 abuts against the outer side surface of the second rotating ring 300, the clamping block 320 is inserted into the clamping groove 720, so that the winding drum 700 and the second rotating ring 300 not only synchronously rotate through friction force, but also drive the winding drum 700 to rotate through the abutting action of the clamping block 320, and thus, the second rotating ring 300 can drive the winding drum 700 to rotate conveniently. The number of the clamping blocks 320 is two, and the number of the clamping grooves 720 is two.

In order to prevent the first rotating ring 200 from separating from the first end of the roller body 100, in an embodiment, as shown in fig. 2 and fig. 3, the lower bag roller further includes a butting ring 500, the first end of the roller body 100 is provided with a first through groove 130, the first through groove 130 is communicated with the accommodating cavity 110, a first buckling block 131 is convexly arranged on a side wall of the first through groove 130 in a direction away from the accommodating cavity 110, the butting ring 500 is sleeved on an outer side surface of the first end of the roller body 100, the butting ring 500 is buckled with the first buckling block 131, and the butting ring 500 is movably butted against the first surface of the first rotating ring 200; the roller body 100 is provided with a first protrusion 140, and the first protrusion 140 is movably abutted against the second surface of the first rotating ring 200.

Specifically, the abutting ring 500 has an abutting cavity, the cross-sectional shape of the abutting cavity is matched with the shape of the first end of the roller body 100, for example, the cross-sectional shape of the first end of the roller body 100 is irregular, for example, the cross-sectional shape of the first end of the roller body 100 is formed by surrounding a straight edge, an arc edge, a straight edge and an arc edge, the first fastening block 131 is made of an elastic material, such as polyetherimide, the cross-sectional area of the first fastening block 131 is smaller than that of the first through groove 130, so that the first fastening block 131 can pass through the first through groove 130, thereby facilitating the installation and removal of the abutting ring 500, the distance between the two ends of the first protrusion 140 is greater than the inner diameter of the first rotating ring 200, thereby playing a role in limiting and abutting against the first rotating ring 200, the abutting ring 500 is sleeved on the first end of the roller body 100, at this time, one end of the abutting ring 500 far from the first rotating ring 200 is in clamping connection with the first fastening block 131, and thus, the abutting ring 500 is limited by the first fastening block 131. When the first rotating ring 200 rotates, the first protrusions 140 and the abutting ring 500 limit the two sides of the first rotating ring 200, so that the first rotating ring 200 is effectively prevented from being separated from the roller body 100. In one embodiment, there are two first through slots 130, and two first snap blocks 131. Thus, the end of the abutting ring 500 far from the first rotating ring 200 is clamped with the two first clamping blocks 131, so that the abutting effect of the abutting ring 500 is increased, and the abutting ring 500 is effectively prevented from being separated from the roller body 100.

In order to prevent the second rotating ring 300 from separating from the second end of the roller body 100, in an embodiment, as shown in fig. 2 and fig. 3, the bag feeding roller further includes a limiting protruding ring 600, the second end of the roller body 100 is provided with a second through groove 150, the second through groove 150 is communicated with the accommodating cavity 110, a second buckling block 151 is convexly arranged on a side wall of the second through groove 150 in a direction away from the accommodating cavity 110, a buckling opening 610 is formed in the limiting protruding ring 600, the limiting protruding ring 600 is sleeved on the outer side surface of the second end of the roller body 100, the second buckling block 151 is inserted into the buckling opening 610, and the width of the limiting protruding ring 600 is greater than the inner diameter of the second rotating ring 300.

Specifically, the limiting convex ring 600 has a limiting cavity, the cross-sectional shape of the limiting cavity is adapted to the shape of the second end of the roller body 100, for example, the cross-sectional shape of the second end of the roller body 100 is irregular, for example, the cross-sectional shape of the second end of the roller body 100 is formed by a straight edge, an arc edge, a straight edge and an arc edge, the cross-sectional area of the second fastening block 151 is smaller than the cross-sectional area of the second through groove 150, so that the second fastening block 151 can pass through the second through groove 150, thereby facilitating the installation and removal of the limiting convex ring 600, the material of the second fastening block 151 is an elastic material, such as polyetherimide, the shape of the fastening port 610 is adapted to the shape of the second fastening block 151, the second rotating ring 300 is not only limited by the tooth pattern portion by sleeving the limiting convex ring 600 on the second end of the roller body 100, at this time, the second fastening block 151 is fastened to the sidewall of the fastening port 610, so that the limiting convex ring 600 can be fixed on the roller body 100, thereby preventing the second rotating ring 300 from being separated from the roller body 100 by the limiting convex ring 600. In one embodiment, the number of the second through-slots 150 is two, and the number of the second locking blocks 151 is two. In this way, the limiting convex ring 600 is clamped with the two second clamping blocks 151 through the two second through grooves 150, so that the supporting effect of the limiting convex ring 600 is increased, and the limiting convex ring 600 is effectively prevented from being separated from the roller body 100.

In order to limit the displacement of the second rotating ring 300, in one embodiment, as shown in fig. 2 and 3, the roll body 100 is provided with a second protruding portion 160, and the width of the second protruding portion 160 is greater than the inner diameter of the second rotating ring 300. Specifically, by being provided with the second protrusion 160, the second rotating ring 300 is effectively prevented from moving toward a direction close to the roll body 100, thereby effectively limiting the displacement of the second rotating ring 300.

In order to limit the position of the winding drum 700, in one embodiment, as shown in fig. 2 and 3, the bag discharging roller further includes a supporting block 620, the supporting block 620 is connected to an end of the limiting convex ring 600 away from the second rotating ring 300, and the supporting block 620 is used for limiting the displacement of the winding drum 700. Specifically, the limiting convex ring 600 is provided with the abutting block 620, so that the winding drum 700 can be limited, and the winding drum 700 is effectively prevented from sliding off the limiting convex ring 600.

In order to facilitate the use of the lower bag roll, in one embodiment, a first anti-slip layer is disposed on an outer side surface of the first rotating ring, and a second anti-slip layer is disposed on an outer side surface of the second rotating ring. Specifically, the material of first skid resistant course and second skid resistant course is rubber, and first skid resistant course and second skid resistant course are used for increasing the frictional force between first rotating ring and second rotating ring and the reel to make second rotating ring, reel and first rotating ring can be in frictional force effect synchronous motion better down, like this, the use of the roller of being convenient for to get off the bag.

In one embodiment, as shown in fig. 1 to 3, a bag feeding device 10 includes a roll 700 and a garbage bag 800, including the bag feeding roller described in any of the above embodiments, the roll 700 has a cavity 710 inside, the roll 700 is disposed outside the roll body 100, the first rotating ring 200 and the second rotating ring 300, a sidewall of the cavity 710 abuts against an outer surface of the first rotating ring 200 and an outer surface of the second rotating ring 300, and the garbage bag 800 is disposed on the outer surface of the roll 700. Specifically, the driver 400 is opened by sleeving the garbage bag 800 on the winding drum 700, so that the driver 400 drives the second rotating ring 300 to rotate, and the garbage bag 800 on the winding drum 700 can automatically fall along with the rotation of the second rotating ring 300, thereby completing the automatic bag discharging.

In one embodiment, a trash can comprises the bag-dropping device in any one of the above embodiments. Specifically, the driver is opened by sleeving the garbage bag on the winding drum, so that the driver drives the second rotating ring to rotate, the garbage bag on the winding drum can automatically fall along with the rotation of the second rotating ring, and the automatic bag discharging is completed.

In order to facilitate the installation of the bag discharging device 10, in an embodiment, as shown in fig. 6 and 7, the trash can 20 includes a can body 900, the can body 900 is provided with a storage groove 910, a first positioning groove 911 is provided on a first side wall of the storage groove 910, a second positioning groove 912 is provided on a second side wall of the storage groove 910, the first side wall and the second side wall of the storage groove 910 are spaced from each other and are parallel to each other, and a blocking groove 913 is provided on a side wall of the second positioning groove 912; the first end of roll body 100 with the lateral wall joint of first constant head tank 911, the second end of roll body 100 is provided with dog 170, the second end of roll body 100 with the lateral wall joint of second constant head tank 912, dog 170 with the lateral wall joint of keeping off groove 913. Specifically, an article placing groove 910 is formed in one end of the barrel body 900, the article placing groove 910 is used for accommodating the lower bag device 10, a first positioning groove 911 and a second positioning groove 912 are formed in the left side and the right side of the article placing groove 910 respectively, the shape of the first positioning groove 911 is matched with that of the first end of the roller body 100, the shape of the second positioning groove 912 is matched with that of the second end of the roller body 100, the blocking groove 913 is arranged above the second positioning groove 912, the shape of the blocking groove 913 is matched with that of the blocking block 170, when the lower bag device 10 is installed, the first end of the roller body 100 is inserted into the first positioning groove 911, the second end of the roller body 100 is inserted into the second positioning groove 912, the blocking block 170 is inserted into the blocking groove 913, and thus, the installation position of the lower bag device 10 can be fixed through the positioning effect of the blocking block 170, the installation of the lower bag device 10 is facilitated, and the fool-proof effect can be achieved.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A bagging roll, comprising: the roller comprises a roller body, a first rotating ring, a second rotating ring and a driver;

the first rotating ring and the second rotating ring are sleeved on the roller body, the first rotating ring is rotatably arranged on the first end of the roller body, the second rotating ring is rotatably arranged on the second end of the roller body, the driver is arranged on the roller body, the driver is in driving connection with the second rotating ring, the first rotating ring and the second rotating ring are used for abutting against the inner side surface of the winding drum, and the first rotating ring and the second rotating ring are used for driving the winding drum to rotate and be arranged on the roller body.

2. The bottom pocket roller according to claim 1, further comprising a first gear and a second gear, wherein the second rotating ring has a toothed portion on an inner surface thereof, the roller body has an accommodating cavity along an axial direction, the roller body has an opening, the opening is communicated with the accommodating cavity, the driver is fixedly disposed in the accommodating cavity, the driver is drivingly connected to the first gear, the first gear is engaged with the second gear, and at least a portion of the second gear passes through the opening and is engaged with the toothed portion.

3. The bag lowering roller according to claim 2, wherein a limit stop ring is provided on the second rotating ring, the limit stop ring being adapted to abut against one end of the winding drum.

4. The bag discharging roller as claimed in claim 2, wherein a clamping block is arranged on the second rotating ring, and the clamping block is used for clamping with a side wall of a clamping groove on the winding drum.

5. The lower bag roller according to claim 2, further comprising a butting ring, wherein the first end of the roller body is provided with a first through groove, the first through groove is communicated with the accommodating cavity, a first buckling block is convexly arranged on the side wall of the first through groove in the direction away from the accommodating cavity, the butting ring is sleeved on the outer side surface of the first end of the roller body, the butting ring is buckled with the first buckling block, and the butting ring is movably butted against the first surface of the first rotating ring;

the roller body is provided with a first protruding portion, and the first protruding portion is movably abutted to the second surface of the first rotating ring.

6. The bag discharging roller according to claim 2, further comprising a limiting convex ring, wherein a second through groove is formed in the second end of the roller body, the second through groove is communicated with the accommodating cavity, a second clamping block is convexly arranged on the side wall of the second through groove in the direction away from the accommodating cavity, a clamping port is formed in the limiting convex ring, the limiting convex ring is sleeved on the outer side surface of the second end of the roller body, the second clamping block is inserted into the clamping port, and the width of the limiting convex ring is larger than the inner diameter of the second rotating ring.

7. A lower pocket roll according to claim 1, wherein a second protrusion is provided on the roll body, and the width of the second protrusion is larger than the inner diameter of the second rotating ring.

8. A bag discharging device comprises a winding drum and a garbage bag, and is characterized by comprising the bag discharging roller in any one of claims 1 to 7, wherein a cavity is formed in the winding drum, the winding drum is sleeved on the outer sides of the roller body, the first rotating ring and the second rotating ring, the side wall of the cavity is abutted to the outer side surface of the first rotating ring and the outer side surface of the second rotating ring, and the garbage bag is sleeved on the outer side surface of the winding drum.

9. A trash can comprising the bag lowering device of claim 8.

10. The trash can of claim 9, comprising a can body, wherein the can body is provided with an object placing groove, a first side wall of the object placing groove is provided with a first positioning groove, a second side wall of the object placing groove is provided with a second positioning groove, the first side wall and the second side wall of the object placing groove are mutually spaced and are mutually parallel, and a retaining groove is formed in the side wall of the second positioning groove;

the first end of the roller body is connected with the side wall of the first positioning groove in a clamped mode, the second end of the roller body is provided with a stop dog, the second end of the roller body is connected with the side wall of the second positioning groove in a clamped mode, and the stop dog is connected with the side wall of the blocking groove in a clamped mode.

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