CN218143584U - Connection structure and garbage bin - Google Patents
Connection structure and garbage bin Download PDFInfo
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- CN218143584U CN218143584U CN202221546317.1U CN202221546317U CN218143584U CN 218143584 U CN218143584 U CN 218143584U CN 202221546317 U CN202221546317 U CN 202221546317U CN 218143584 U CN218143584 U CN 218143584U
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- connecting part
- shaft
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- rigid
- cover
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 19
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a connecting structure and a garbage can, which mainly comprises a first connecting part and a second connecting part, a locking device sleeved on the first connecting part and the second connecting part for preventing the first connecting part and the second connecting part from being separated from each other, wherein at least one of the first connecting part and the second connecting part is rotatably connected with the locking device, and an elastic gasket, at least two rigid gaskets and another elastic gasket are sequentially arranged between the first connecting part and the second connecting part; wherein: the middle parts of the first connecting part and the second connecting part are communicated and form mutually communicated channels; the elastic gasket is in a compressed state and generates a force for maintaining contact and closure; the friction resistance between the end surfaces of the two rigid washers in contact with each other is smaller than the friction resistance between the elastic washer and the rigid washer/the first connecting portion/the second connecting portion, so that the end surfaces of the two rigid washers in contact with each other are relatively rotatable. Compared with the prior art, the utility model has the advantages of the gas tightness is stable, simple structure.
Description
Technical Field
The utility model belongs to the pipeline hookup field specifically is a draw bail and passes through draw bail realizes that the wind channel rotates the garbage bin of hookup.
Background
Some trash cans are provided with air suction ducts with functions of automatic bag laying, dust collection and the like.
For example, CN215400790U discloses a dust-collecting garbage can, which is provided with an air inlet and an air outlet, wherein the garbage sucked from the air inlet is blocked by a dust-air separating device above the inner barrel and then falls into the lower inner barrel, and the air is discharged from the air outlet. The opening of the garbage can is also provided with a large cover for assembling the dust-gas separating device, wherein the large cover has two states of opening and closing, so that the dust-gas separating device is connected with the air inlet channel and the air outlet channel or connected through a hose to support the pipeline extension when the cover is opened, or a separable connecting structure is required.
Belong to dynamic connection through hose connection, its weak point is that need redundant accommodation space, still need consider its extension, behind the big lid of many times switch, break down easily, also influence and use experience.
The dust collection garbage can disclosed in CN215400865U adopts the rotating shaft as the middle connecting air duct, so that the defect of extension of the hose is avoided, and the structure is more compact.
SUMMERY OF THE UTILITY MODEL
On the one hand, in order to realize rotatable hookup and sealed effect between the pipeline, the utility model provides a coupling structure, include:
a first connecting part is arranged at the first side of the base,
a second connecting part which is connected with the first connecting part,
a locking device which is sleeved on the first connecting part and the second connecting part and prevents the first connecting part and the second connecting part from being separated from each other, wherein at least one of the first connecting part and the second connecting part is rotatably connected with the locking device,
the elastic gasket, the at least two rigid gaskets and the other elastic gasket are sequentially arranged between the first connecting part and the second connecting part.
The middle parts of the first connecting part and the second connecting part are communicated with each other and form a channel communicated with each other.
The elastic gasket is in a compressed state, and a force for maintaining a mutually abutting state is generated on the end faces of the first connecting portion, which are closed by the elastic gasket, the at least two rigid gaskets, the other elastic gasket and the second connecting portion contacting each other. The two elastic gaskets are elastically deformed, so that restoring force can be generated to compensate abrasion, and a contact closed state is maintained, so that the two elastic gaskets have the advantage of stable air tightness, the maintenance frequency can be reduced, and the maintenance cost is reduced.
The friction resistance between the end surfaces of the two rigid washers in contact with each other is smaller than the friction resistance between the elastic washer and the rigid washer/the first connecting portion/the second connecting portion, so that the end surfaces of the two rigid washers in contact with each other are relatively rotatable. The abrasion between the rigid gaskets is small, and the material with high strength is selected, so that the rigid gasket has the advantage of long service life.
Under the action of the locking device, the elastic gasket, the at least two rigid gaskets, the other elastic gasket, the first connecting part and the second connecting part are mutually tightly propped and are in contact sealing, so that the air-tightness sealing device has the advantage of good air tightness, is simple in structure and is beneficial to reducing the production cost.
Optionally, the locking device is a collar.
The first connecting portion is provided with a flange portion, and the second connecting portion is provided with another flange portion.
The hoop covers the two flange parts on the first connecting part and the second connecting part.
Optionally, two accommodating grooves are formed in one side of the flange portion, and the elastic gasket, the at least two rigid gaskets and the other elastic gasket are clamped between the two accommodating grooves.
Furthermore, the joints of the first connecting part and the second connecting part with the respective flange parts form a butting part to be butted against one side of the elastic washer.
Furthermore, the hoop sleeve is provided with an annular groove, wherein, along the axial direction, the side walls of two sides of the annular groove are respectively provided with an inclined plane;
and the flange part of the first connecting part is provided with a chamfer matched with one inclined plane, and the flange part of the second connecting part is provided with a chamfer matched with the other inclined plane.
The width of two inclined planes of the annular groove is larger than that of the chamfer angle on the corresponding matched first connecting part/second connecting part, so that the annular groove can slide along the inclined planes, the prestress can be conveniently applied, and the prestress can be adjusted after a certain abrasion degree occurs.
On the other hand, in order to realize rotatable hookup and sealed effect between lid pipeline and the staving pipeline, the utility model provides a garbage bin, including the staving with locate the big lid on the staving. The large cover can be turned over up and down around the shaft to open or close the cover.
The big cover is provided with a dust-gas separating device and two cover air channels connected with the dust-gas separating device. Two barrel air channels are arranged on the barrel body. A cover air duct is communicated with a barrel air duct and is used as an air duct for sucking dust air and garbage. The sucked dust and garbage are conveyed to the dust and gas separating device, wherein the dust and garbage are filtered out by the dust and gas separating device. The other cover air channel is communicated with the other barrel air channel to be used as an exhaust air channel. Air may pass through the dust-air separation device to be discharged from the exhaust duct.
And the cover air channel is connected with the barrel air channel through the connecting structure, wherein one end of the cover air channel is the first connecting part, and one end of the barrel air channel is the second connecting part.
Further, the bucket duct is typically fixed or held relatively stationary with the bucket body, and similarly, the lid duct is typically fixed or held relatively stationary with the large lid. The connecting structures of the cover air duct and the barrel air duct are arranged coaxially with the shaft. When the big cover is opened and closed, the cover air duct can rotate along with the big cover.
In the garbage can, the cover air channel and the can air channel are statically connected and can rotate relatively, so that the garbage can has the advantage of simple structure. This eliminates the need for a complicated structure and a redundant accommodation space, as in the case of the prior art dynamic hose connection, and therefore also has the advantage of a compact structure.
Drawings
Fig. 1 is a schematic view of the coupling of a large cover of a trash can and a shaft in the embodiment.
Fig. 2 is a schematic perspective view of the large lid in the embodiment.
FIG. 3 is a schematic view of the coupling of the lid air duct to the shaft in an embodiment, shown partially in section.
Fig. 4 is an exploded view of fig. 3.
FIG. 5 is a partial schematic view of the embodiment with the collar locked outside the flange portion on the end of the cover stack and shaft.
FIG. 6 is a partial schematic view of the collar of FIG. 5.
FIG. 7 is a schematic view of a flange portion of a shaft in another embodiment.
Description of the figure numbers:
10. big lid, 20 dust and gas separating device.
30. Cover wind channel, 31, chamfer. 40. Axis, 41 accommodating groove, 42 abutting part.
50. Elastic washer, 60 rigid washer.
70. A hoop sleeve, 71, an annular groove, 72, an inclined surface.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
In the garbage can of this embodiment, the large lid is rotatably coupled to the can body by a shaft 40. Optionally, a small cover which can be turned to open or close can be further arranged on the big cover.
Referring to fig. 1 and 2, the large lid 10 is provided with a dust-air separating device 20 and a lid air duct 30. Alternatively, the dust-air separating device 20, the cover air duct 30 and the large cover 10 may be detachably or non-detachably disposed therebetween.
One end of the cover air duct 30 communicates with the dust-air separating apparatus 20. The other end of the lid air duct 30 extends to one side of a shaft 40 coupling the large lid 10 and the tub (not shown) and they are communicated with each other. One end of the shaft 40 is hollow and serves as or forms part of the tub air passage.
It will be readily appreciated that, optionally, a further lid duct 30 may be provided within the rubbish bin, the other end of the shaft 40 being hollow, as or forming part of a further duct. The two cover air channels and the barrel air channel respectively form a dust absorption channel and an exhaust channel.
Referring to fig. 3 and 4, a flange portion expanded radially outward is provided at an end portion of the shaft 40 coupled to the cover duct 30, and a receiving groove 41 is formed at a connection portion of the flange portion and the shaft 40 inside the end portion of the shaft 40.
An abutting portion 42 is formed on the side of the receiving groove 41 close to the shaft 40, and an open port is formed on the side of the receiving groove 41 remote from the shaft 40. The end structures of the connection between the cover air duct 30 and the shaft 40 are the same, so that the end of the cover air duct 30 on the side is also provided with a flange portion, a receiving groove, and an abutting portion, which will not be described in detail.
An elastic washer 50 and a rigid washer 60 are provided in the accommodating groove 41 of the shaft 40, wherein the elastic washer 50 is sandwiched between the abutment portion 42 of the shaft 40 and the rigid washer 60 in the axial direction of the shaft 40.
An elastic washer 50 and a rigid washer 60 are also provided in the accommodating groove of the cover air duct 30, wherein the elastic washer 50 is sandwiched between the abutting portion of the cover air duct 30 and the rigid washer 60 in the axial direction of the shaft 40.
In the axial direction of the shaft 40, the rigid washer 60 of the shaft 40 protrudes from the receiving groove 41 thereof, or the rigid washer 60 of the cover air duct 30 protrudes from the receiving groove thereof, so that when the shaft 40 and the cover air duct 30 are coupled together, the rigid washers 60 of the two can abut against each other.
The surfaces of the two rigid gaskets 60 which abut against each other are smooth surfaces, so that the two gaskets are in full contact with each other to play a sealing role, and meanwhile, the friction between the two gaskets is greatly reduced. In this way, with the shaft 40 being fixed, when the large lid 10 is turned over, the lid air duct 30 can rotate around the central axis of the shaft 40, so as to communicate and rotatably couple the lid air duct 30 and the shaft 40.
The shaft 40 and the end of the cover duct 30 are also in sufficient contact with the rigid washer 60 and the elastic washer 50 with the mating abutment portion to seal.
Referring to fig. 5, when the shaft 40 and the cover duct 30 are in a butt joint posture, a collar 70 is fitted around the end of the shaft 40 and the cover duct 30, i.e., the flange. The space in the middle of the inner wall of the collar 70 forms an annular groove 71, wherein the inner walls of the two sides of the annular groove 71 are clamped outside the flange parts of the shaft 40 and the cover air duct 30 to realize locking and prevent the two parts from being separated from each other.
Or referring to fig. 7, in other embodiments, the shaft 40 and the flange portion of the cover duct 30 may also be retracted inward, so that the receiving groove 41 is formed at the outer side of the end portion of the shaft 40 where the flange portion is connected with the shaft 40, and the collar 70 is located in the duct in the middle, and the collar 70 is located at the outer side of the flange portion relative to the flange portion. Or may be further modified in the first two ways.
When the cover air duct 30 rotates, the external force is enough to overcome the static friction between the hoop 70 and any position between the cover air duct 30 and the shaft 40, and the cover air duct can rotate normally.
In addition, in the axial direction of the shaft 40, the two elastic washers 50 also have an effect of elastically deforming to absorb mechanical energy. As the service time increases, the coupling structure between the shaft 40 and the cover air duct 30 is worn to some extent, and at this time, the elastic gasket 50 provides a restoring force to compensate for the gap caused by the wear, so that the abutting fit between the shaft 40 and the cover air duct 30, between the elastic gasket 50 and the rigid gasket 60, and between the adjacent two is maintained, and the sealing is maintained to prevent air leakage.
Further, in a preferred embodiment, as shown in fig. 6, a bevel 72 is formed on each of both side walls of the annular groove 71 of the ferrule 70 in the axial direction.
A chamfer 31 matched with the inclined plane 72 is arranged on the flange part of the cover air duct 30; similarly, the flange portion of the shaft 40 is provided with a chamfer 31 which is matched with the other inclined surface 72. Wherein the width D1 of the bevel 72 is greater than the width D2 of the chamfer 31 to allow the chamfer 31 to slide along the bevel 72.
When the cover air duct 30 or the chamfer 31 on the shaft 40 slides along the inclined surface 72, a relative displacement is generated between the cover air duct 30 and the shaft 40 in the axial direction of the shaft 40, thereby changing the distance D3 between the cover air duct 30 and the shaft 40. In combination with the above-mentioned action of the elastic washer 50, it is very easy to slide along the inclined surface 72 by means of the chamfer 31. When the cover wind tunnel 30 and the shaft 40 are close to each other, a prestress is applied to the coupling structure in the axial direction.
Preferably, the elastic washer 50 is a rubber washer or a silicone washer.
Preferably, the rigid gasket 60 is a ceramic gasket. Alternatively, in some embodiments, hard metal washers may also be used.
Returning to fig. 3, preferably, the inner diameters D4 of the two elastic washers 50 and the two rigid washers 60 are the same as the inner diameter of the shaft 40, so that a passage with a uniform inner diameter is formed from the elastic washer 50 of the cover duct 30 to the shaft 40, thereby reducing dust accumulation.
The embodiments of the present invention are only used for illustration, and do not limit the scope of the claims, and other substantially equivalent alternatives that may be conceived by those skilled in the art are within the scope of the present invention.
Claims (10)
1. A coupling structure characterized by comprising:
a first connecting part is arranged at the first side of the base,
a second connecting part which is connected with the first connecting part,
a locking device which is sleeved on the first connecting part and the second connecting part and prevents the first connecting part and the second connecting part from being separated from each other, wherein at least one of the first connecting part and the second connecting part is rotatably coupled with the locking device,
the elastic gasket, the at least two rigid gaskets and the other elastic gasket are sequentially arranged between the first connecting part and the second connecting part; wherein:
the middle parts of the first connecting part and the second connecting part are communicated and form mutually communicated channels;
the elastic gasket is in a compressed state, and a force for maintaining a mutually abutting state is generated on the closed end faces of the first connecting part, the elastic gasket, the at least two rigid gaskets, the other elastic gasket and the second connecting part which are contacted with each other;
the friction resistance between the end surfaces of the two rigid washers in contact with each other is smaller than the friction resistance between the elastic washer and the rigid washer/the first connecting portion/the second connecting portion, so that the end surfaces of the two rigid washers in contact with each other are relatively rotatable.
2. The coupling structure according to claim 1, wherein a flange portion is provided on the first connecting portion, another flange portion is provided on the second connecting portion, and the locking means is a ferrule, wherein:
the hoop sleeves are sleeved on the two flange parts on the first connecting part and the second connecting part;
two containing grooves which are oppositely arranged are formed on one side of the flange part, and the elastic gasket, the at least two rigid gaskets and the other elastic gasket are clamped between the two containing grooves.
3. A coupling structure according to claim 2, wherein the connection of said first and second connection portions with their respective flange portions constitutes an abutment portion against one side of the elastic washer.
4. The coupling structure according to claim 2, wherein said ferrule has an annular groove formed therein, wherein:
the side walls of the two sides of the annular groove are respectively provided with an inclined plane;
the flange part of the first connecting part is provided with a chamfer matched with one inclined plane, and the flange part of the second connecting part is provided with a chamfer matched with the other inclined plane;
the width of the two inclined planes of the annular groove is larger than that of the chamfer angle on the corresponding first connecting part or the second connecting part.
5. The coupling structure according to claim 2, wherein the inner diameters of the end portions of the first and second connecting portions are expanded radially outward to form flange portions, wherein the inner sides of the flange portions form accommodating grooves, and the ferrules are sleeved on the outer sides of the flange portions of the shaft and the cover duct; or,
the inner diameters of the end parts of the shaft and the cover air channel are contracted inwards along the radial direction to form a flange part, wherein the outer side of the flange part forms an accommodating groove, and the hoop is positioned in the exhaust channel and is sleeved on the outer side of the flange part of the shaft and the cover air channel.
6. The coupling structure according to claim 1, wherein the two elastic washers and the two rigid washers have the same inner diameter as the first and second connection portions, and a passage having the same inner diameter is formed between the first and second connection portions.
7. A garbage can comprises a can body and a large cover which are rotatably connected through a shaft, and is characterized in that the large cover is provided with a dust-gas separation device and two cover air channels connected with the dust-gas separation device; two barrel air channels are arranged on the barrel body; wherein:
a lid duct is coupled to a barrel duct by a coupling structure as claimed in any one of claims 1 to 6, wherein one end of the lid duct is the first connecting portion and one end of the barrel duct is the second connecting portion.
8. A waste bin according to claim 7, wherein the large lid of the bin is provided with a small lid.
9. A trashcan as claimed in claim 7, wherein the coupling of lid ducting and drum ducting is arranged coaxially with the shaft.
10. A trashcan as claimed in claim 7, wherein the portion of the drum wind tunnel coupled to the cover wind tunnel, or the drum wind tunnel, is constituted by a channel provided on the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221546317.1U CN218143584U (en) | 2022-06-20 | 2022-06-20 | Connection structure and garbage bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221546317.1U CN218143584U (en) | 2022-06-20 | 2022-06-20 | Connection structure and garbage bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218143584U true CN218143584U (en) | 2022-12-27 |
Family
ID=84576347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221546317.1U Active CN218143584U (en) | 2022-06-20 | 2022-06-20 | Connection structure and garbage bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218143584U (en) |
-
2022
- 2022-06-20 CN CN202221546317.1U patent/CN218143584U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Connection Structure and Garbage Bin Effective date of registration: 20230720 Granted publication date: 20221227 Pledgee: CHUZHOU DONLIM ELECTRICAL APPLIANCE Co.,Ltd. Pledgor: SHANGHAI TOWNEW INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2023990000367 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |