CN108158417B - Damping structure and device comprising same - Google Patents
Damping structure and device comprising same Download PDFInfo
- Publication number
- CN108158417B CN108158417B CN201810016459.9A CN201810016459A CN108158417B CN 108158417 B CN108158417 B CN 108158417B CN 201810016459 A CN201810016459 A CN 201810016459A CN 108158417 B CN108158417 B CN 108158417B
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- Prior art keywords
- inner core
- outer shell
- cover
- damping structure
- friction piece
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- 238000013016 damping Methods 0.000 title claims abstract description 48
- 238000010411 cooking Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 241001456553 Chanodichthys dabryi Species 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 4
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- -1 Polyoxymethylene Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/06—Lids or covers for cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/004—Cooking-vessels with integral electrical heating means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
- A47J36/04—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses a damping structure and a device comprising the same, belongs to the technical field of damping, and is designed for solving the problems of poor damping effect and the like of the existing damping structure. The damping structure provided by the invention comprises an outer shell and an inner core nested in the outer shell, wherein the cross section of at least one of the outer shell and the inner core is elliptical, a first friction piece is arranged on the inner wall of the outer shell, and a second friction piece is arranged on the outer wall of the inner core; one of the outer shell cover and the inner core is used for being fixed on the first body, the other one of the outer shell cover and the inner core is used for being driven by the second body to rotate, and the first friction piece and the second friction piece rub against each other during at least part of the relative rotation of the outer shell cover and the inner core. The damping structure provided by the invention has the advantages of more stable structure, longer service life and higher working reliability, can avoid the problems of humpback and take-off of the existing cooking utensil as much as possible, and has good damping effect and user experience.
Description
Technical Field
The invention relates to the technical field of damping, in particular to a damping structure and a device comprising the same.
Background
Cooking utensils, for example electric rice cooker, electric pressure cooker etc. include pot body and pot cover usually, and the pot cover rotates through the pivot to be connected on the pot body, overlaps on the pivot and establishes a plurality of torsional springs, and two stabilizer blades of torsional spring respectively with pot body and pot cover butt. In order to avoid the phenomenon that the whole electric cooker/electric pressure cooker bounces and shakes together due to the excessive spring force of the torsion spring, a rubber damping block is usually arranged between the cooker body and the cooker cover, and the torsion spring and the rubber damping block are used for controlling the opening and closing of the electric cooker/electric pressure cooker.
However, the rubber damping block is easy to expand with heat and contract with cold when heated, and after the rubber damping block is used for a period of time, the surface of the rubber damping block is extruded for a long time to cause surface damage, so that the pot cover has the problems of humpback and jumping, and the use effect of a user is extremely poor.
Disclosure of Invention
The invention aims to provide a damping structure with a good damping effect and a device comprising the damping structure.
To achieve the purpose, on one hand, the invention adopts the following technical scheme:
a damping structure comprises an outer shell and an inner core nested in the outer shell, wherein the cross section of at least one of the outer shell and the inner core is elliptical, a first friction piece is arranged on the inner wall of the outer shell, and a second friction piece is arranged on the outer wall of the inner core; one of the outer shell cover and the inner core is used for being fixed on the first body, and the other one of the outer shell cover and the inner core is used for being driven by the second body to rotate, and the first friction piece and the second friction piece rub against each other at least in part of the relative rotation process of the outer shell cover and the inner core.
Further, the first friction member is a first protrusion, and the second friction member is a second protrusion.
Further, the outer wall surfaces of the first protrusion and the second protrusion are both smooth cambered surfaces.
Further, the first protrusion and the second protrusion are made of at least one material of ABS, TOM, and PC, respectively.
Further, the cross sections of the outer shell cover and the inner core are both elliptical, the first friction piece is arranged at the end of the long axis of the outer shell cover, the second friction piece is arranged at the end of the long axis of the inner core, and the number of the first friction piece and the number of the second friction piece are one or two.
Further, the cross sections of the outer shell cover and the inner core are elliptical, and the eccentricity of the inner core is larger than that of the outer shell cover.
Furthermore, the outer shell cover comprises a hollow cover main body with an opening at one end and an end cover arranged at the opening end of the cover main body, a positioning column is arranged at least one of the bottom surface of the cover main body and the inner wall surface of the end cover, and the inner core is sleeved on the positioning column after installation.
Furthermore, a first through hole is formed in the inner core along the height direction of the inner core, second through holes are respectively formed in the positions, corresponding to the first through holes, of the two ends of the outer shell cover, the first through holes and the second through holes are used for allowing shafts to pass through, and the inner core and the shafts cannot rotate relatively.
Furthermore, a fixing mechanism is arranged on the outer wall of the outer shell cover and used for fixing the to-be-connected piece.
On the other hand, the invention adopts the following technical scheme:
the device comprising the damping structure comprises a first body and a second body which are rotatably connected through a rotating shaft, wherein the first body is fixed with the outer shell cover or the inner core, and the second body can drive the inner core and the outer shell cover to rotate relatively through the rotating shaft.
Further, the device is a cooking appliance, one of the first body and the second body is a pot cover, and the other is a pot body.
The invention has the following beneficial effects:
the damping structure provided by the invention realizes damping through the rotational friction between the first friction piece on the inner wall of the outer shell cover and the second friction piece on the outer wall of the inner core, has more stable structure and longer service life, can avoid the problems of humpback and take-off of the existing cooking utensil as much as possible, and has good damping effect and user experience; the cross section of at least one of the inner core and the outer shell is set to be elliptical, so that the reliability of the damping effect is further improved; through setting up first friction spare and second friction spare respectively to the arch, simple structure, easily processing and assembly production, with low costs, small.
Drawings
FIG. 1 is a schematic structural diagram of a damping structure provided in an embodiment of the present invention;
FIG. 2 is one of the exploded structural schematic diagrams of a damping structure provided in the present embodiment;
FIG. 3 is a second exploded view of the damping structure according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of the damping structure provided in the embodiment of the present invention after the end cap is removed.
In the figure:
1. a housing cover; 2. an inner core; 3. a first friction member; 4. a second friction member; 5. a fixing mechanism;
1. a cover main body; 12. an end cap; 13. a second through hole; 14. a positioning column;
21. a first via.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment of the invention provides a damping structure and a cooking appliance adopting the same, so that the problems of humpback and jumping existing in the existing cooking appliance are avoided as much as possible, and the damping effect and the user experience are improved. The cooking appliance is preferably, but not limited to, an electric rice cooker or an electric pressure cooker.
Cooking utensil (not shown in the figure) that this embodiment provided includes a pot body, pot cover, pivot, torsional spring and above-mentioned damping structure, and the pot cover rotates through the pivot to connect on the pot body to open or close a pot body, the torsional spring cover is located in the pivot, two stabilizer blades of torsional spring respectively with a pot body and pot cover butt. The number of the torsion springs is preferably, but not limited to, at least two, and may be one or more than two according to specific needs.
As shown in fig. 1 and 2, the damping structure includes an outer shell 1 and an inner core 2 nested in the outer shell 1, and the outer shell 1 and the inner core 2 are capable of rotating relatively. One of the cooker cover and the cooker body is fixed with the outer shell cover 1 or the inner core 2, and the other can drive the inner core 2 and the outer shell cover 1 to rotate relatively through the rotating shaft.
With continued reference to fig. 2, the outer housing shell 1 and the inner core 2 are preferably both generally cylindrical in shape. The outer shell cover 1 comprises a hollow cover main body 11 with an opening at one end and an end cover 12 arranged at the opening end of the cover main body 11, positioning columns 14 are respectively arranged on the bottom surface of the cover main body 11 and the inner wall surface of the end cover 12, and two ends of the inner core 4 are respectively sleeved on the two positioning columns 14 after installation. Of course, it is understood that the positioning posts 14 are provided only on the bottom surface of the cover main body 11 or only on the inner wall surface of the end cap 12, which is a variable embodiment of the present embodiment. In order to make the overall structure more stable, the outer wall of the end cap 12 is provided with at least one ring of annular flange, the outer wall of which abuts against the inner wall of the cap body 11.
With reference to fig. 2, the inner wall of the outer shell 1 is provided with a first friction member 3, and the outer wall of the inner core 2 is provided with a second friction member 4; the first friction member 3 and the second friction member 4 rub against each other during at least part of the relative rotation of the outer shell 1 and the core 2. The first friction piece 3 and the second friction piece 4 rotate relatively and rub to generate resistance which hinders the inner core 2 and the outer shell cover 1 from rotating relatively, and further hinders the relative rotation between the pot cover and the pot body, so that the pot cover moves more smoothly in the opening process. A lubricating fluid is preferably provided between the first friction member 3 and the second friction member 4 to reduce wear of the first friction member 3 and the second friction member 4.
With continued reference to fig. 2, in order to ensure that the first friction member 3 and the second friction member 4 can effectively contact and rub, the cross sections of the outer shell 1 and the inner core 2 are elliptical; first friction members 3 are respectively provided at both ends of the long axis of the housing cover 1, and second friction members 4 are respectively provided at both ends of the long axis of the core 2. In order to further ensure that the first friction member 3 and the second friction member 4 can effectively contact and rub, the eccentricity of the inner core 2 is greater than that of the outer shell cover 1. As can be understood, as shown in fig. 3 and 4, it is also an embodiment that the first friction member 3 is provided only at one end of the long axis of the housing cover 1, and the second friction member 4 corresponding to the first friction member 3 is provided at one end of the long axis of the core 2. In addition, in other embodiments, only one of the outer shell cover 1 and the inner core 2 may have an elliptical cross section.
In order to make the damping structure simpler in structure and more convenient to process, as shown in fig. 2 to 4, the first friction member 3 is a first protrusion, the second friction member 4 is a second protrusion, and the first protrusion and the second protrusion rotate relatively and generate resistance force for resisting the continuous rotation of each other through friction. The outer wall surfaces of the first protrusion and the second protrusion are smooth cambered surfaces so as to reduce the abrasion of the first protrusion and the second protrusion. The first protrusion and the outer shell cover 1 are preferably, but not limited to, integrally formed, and the second protrusion and the core 2 are preferably, but not limited to, integrally formed. The first protrusion and the second protrusion are preferably made of a material having a certain hardness and capable of generating deformation, for example, the first protrusion and the second protrusion are respectively made of at least one material selected from ABS (Acrylonitrile Butadiene Styrene) plastic, TOM (Acrylonitrile Butadiene Styrene) plastic, POM (Polyoxymethylene) and PC (Polycarbonate).
As a specific embodiment, the damping structure is installed by: the inner core 2 is sleeved on the rotating shaft and can rotate together with the rotating shaft, and the outer shell cover 1 is fixed on the cooker body. More specifically, referring to fig. 1 to 3 again, the outer wall of the outer housing 1 is provided with a fixing mechanism 5 for fixing with the pot body; the inner core 2 is provided with a first through hole 21 along the height direction thereof, the two ends of the outer shell cover 1 are respectively provided with a second through hole 13 corresponding to the position of the first through hole 21, specifically, the positioning column 14 on the bottom surface of the cover main body 11 and the positioning column 14 on the inner wall surface of the end cover 12 are respectively provided with the second through hole 13, the first through hole 21 and the second through hole 13 are used for the rotating shaft to pass through, and the inner core 2 and the rotating shaft cannot rotate relatively.
The structure of the fixing mechanism 5 is not particularly limited, and the outer shell cover 1 and the pot body can be free from relative movement, for example, the fixing mechanism 5 is a protrusion which can be inserted into a corresponding slot on the pot body. The first through-hole 21 may be provided by: the inner core 2 is a hollow tubular structure, a plate-shaped structure is arranged in the tube at a position close to the middle part, a first through hole 21 is formed in the plate-shaped structure, and the cross section of the first through hole 21 is preferably, but not limited to be, D-shaped or polygonal. In the process of opening or closing the pot cover, the inner core 2 is driven to rotate through the rotating shaft, and meanwhile, the first friction piece 3 and the second friction piece 4 rotate relatively and rub to generate resistance force for preventing the inner core 2 and the outer shell cover 1 from rotating relatively.
The working principle of the damping structure provided by the embodiment is as follows:
when opening the pot cover, the pot cover drives inner core 2 through the pivot and rotates, and meanwhile, relative rotation and friction between first arch and the second arch, production hinder inner core 2 and the 1 relative pivoted resistance of outer clamshell, and then hinder the relative rotation between pot cover and the pot body for the pot cover is opening the process motion more gently, can avoid the pot cover to open bow-backed, the take-off problem of in-process as far as possible, improves user experience.
The damping structure provided by the embodiment realizes damping through the rotational friction between the first friction piece 3 on the inner wall of the outer shell cover 1 and the second friction piece 4 on the outer wall of the inner core 2, has more stable structure and longer service life, can avoid the problems of humpback and take-off of the existing cooking utensil, and has good damping effect and user experience; the reliability of the damping effect is further improved by setting the cross section of at least one of the inner core 2 and the outer shell cover 1 to be elliptical; the first friction piece 3 and the second friction piece 4 are respectively arranged to be convex, so that the structure is simple, the processing and the assembly production are easy, the cost is low, and the volume is small.
In addition, as an alternative embodiment, in this embodiment, the inner core 2 may be fixed relative to the pot body, for example, a mounting shaft is provided on the pot body, the inner core 2 is sleeved on the mounting shaft, the inner core 2 and the mounting shaft cannot rotate relative to each other, and the outer shell 1 is directly or indirectly driven to rotate through the rotating shaft during the opening or closing process of the pot cover. In addition, the application of the damping structure provided by the present embodiment is not limited to the cooking utensil, and may also be applied to other devices that need buffering properly, the device includes a first body and a second body that are rotatably connected through a rotating shaft and a torsion spring, the first body is fixed with the outer shell cover 1 or the inner core 2, and the second body can drive the inner core 2 and the outer shell cover 1 to rotate relatively through the rotating shaft.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. The damping structure is characterized by comprising an outer shell (1) and an inner core (2) nested in the outer shell (1), wherein a first friction piece (3) is arranged on the inner wall of the outer shell (1), and a second friction piece (4) is arranged on the outer wall of the inner core (2);
one of the outer shell cover (1) and the inner core (2) is used for being fixed on a first body, and the other one of the outer shell cover (1) and the inner core (2) is used for being driven to rotate by a second body, and the first friction piece (3) and the second friction piece (4) rub against each other during at least part of the relative rotation of the outer shell cover (1) and the inner core (2);
the cross sections of the outer shell cover (1) and the inner core (2) are both elliptical, the first friction piece (3) is arranged at the end of the long axis of the outer shell cover (1), the second friction piece (4) is arranged at the end of the long axis of the inner core (2), and the number of the first friction piece (3) and the number of the second friction piece (4) are one or two; the eccentricity of the inner core (2) is greater than the eccentricity of the outer shell cover (1).
2. A damping structure according to claim 1, characterised in that said first friction member (3) is a first protrusion and said second friction member (4) is a second protrusion.
3. The damping structure according to claim 2, wherein the first protrusion and the second protrusion are made of at least one material of ABS, TOM, and PC, respectively.
4. The damping structure according to any one of claims 1 to 3, wherein the outer shell cover (1) comprises a hollow cover main body (11) with one open end and an end cover (12) arranged at the open end of the cover main body (11), a positioning post (14) is arranged at least one of the bottom surface of the cover main body (11) and the inner wall surface of the end cover (12), and the inner core (4) is sleeved on the positioning post (14) after being installed.
5. A damping structure according to any one of claims 1 to 3, wherein a first through hole (21) is formed in the inner core (2) along the height direction thereof, and second through holes (13) are respectively formed in the two ends of the outer shell (1) corresponding to the positions of the first through holes (21), wherein the first through hole (21) and the second through hole (13) are used for a shaft to pass through, and the inner core (2) and the shaft cannot rotate relatively.
6. A damping structure according to any one of claims 1 to 3, characterised in that the outer wall of the housing shell (1) is provided with fixing means (5), which fixing means (5) are intended to be fixed with a part to be connected.
7. A device comprising a damping structure according to any one of claims 1 to 6, comprising a first body and a second body rotatably connected by a rotation axis, the first body being fixed to the outer housing (1) or the inner core (2), the second body being capable of driving the inner core (2) and the outer housing (1) in rotation relative to each other via the rotation axis.
8. The apparatus of claim 7, wherein the apparatus is a cooking appliance, and one of the first body and the second body is a lid and the other is a body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810016459.9A CN108158417B (en) | 2018-01-08 | 2018-01-08 | Damping structure and device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810016459.9A CN108158417B (en) | 2018-01-08 | 2018-01-08 | Damping structure and device comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108158417A CN108158417A (en) | 2018-06-15 |
| CN108158417B true CN108158417B (en) | 2020-11-10 |
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ID=62517845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810016459.9A Active CN108158417B (en) | 2018-01-08 | 2018-01-08 | Damping structure and device comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108158417B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11903520B2 (en) | 2017-11-28 | 2024-02-20 | Gree Electric Appliances (Wuhan) Co., Ltd | Damping device, cooker, and device having damping structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2840874Y (en) * | 2005-10-10 | 2006-11-29 | 宁波天马股份有限公司 | Damping type self-aid dining-oven lid turning-over braking device |
| KR100715030B1 (en) * | 2005-10-21 | 2007-05-07 | (주)힌지코리아 | Hinge module for electric rice cooker |
| CN202699020U (en) * | 2012-04-26 | 2013-01-30 | 杭州中好电子有限公司 | A damper |
| CN204839337U (en) * | 2015-07-17 | 2015-12-09 | 中山市美图塑料工业有限公司 | A buffer for seat lavatory apron |
| CN204909279U (en) * | 2015-07-17 | 2015-12-30 | 中山市美图塑料工业有限公司 | Rotatory buffer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200154451Y1 (en) * | 1997-07-10 | 1999-08-16 | 김용진 | Damping device for top an electric heat and pressure rice cooker |
| JP4043443B2 (en) * | 2004-01-29 | 2008-02-06 | 象印マホービン株式会社 | rice cooker |
| CN201239031Y (en) * | 2008-08-12 | 2009-05-20 | 大连金邦不锈钢制品有限公司 | Buffer mechanism of cover for dishware |
| CN201332940Y (en) * | 2008-12-02 | 2009-10-28 | 美的集团有限公司 | Electric rice cooker |
| CN105795850B (en) * | 2016-04-27 | 2018-03-16 | 银都餐饮设备股份有限公司 | One kind meal stove |
-
2018
- 2018-01-08 CN CN201810016459.9A patent/CN108158417B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2840874Y (en) * | 2005-10-10 | 2006-11-29 | 宁波天马股份有限公司 | Damping type self-aid dining-oven lid turning-over braking device |
| KR100715030B1 (en) * | 2005-10-21 | 2007-05-07 | (주)힌지코리아 | Hinge module for electric rice cooker |
| CN202699020U (en) * | 2012-04-26 | 2013-01-30 | 杭州中好电子有限公司 | A damper |
| CN204839337U (en) * | 2015-07-17 | 2015-12-09 | 中山市美图塑料工业有限公司 | A buffer for seat lavatory apron |
| CN204909279U (en) * | 2015-07-17 | 2015-12-30 | 中山市美图塑料工业有限公司 | Rotatory buffer |
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| Publication number | Publication date |
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| CN108158417A (en) | 2018-06-15 |
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