CN108185806B

CN108185806B - Damping structure and device comprising same

Info

Publication number: CN108185806B
Application number: CN201810016461.6A
Authority: CN
Inventors: 陈群; 林康桂; 左双全; 肖彪; 孙志辰
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2018-01-08
Filing date: 2018-01-08
Publication date: 2020-12-11
Anticipated expiration: 2038-01-08
Also published as: CN108185806A

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 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, capability of avoiding the problems of humpback and jumping existing in the existing cooking utensil as much as possible, good damping effect and user experience, simple structure, easiness in assembly and production, low cost and small volume.

Description

Damping structure and device comprising same

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 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 jointly control the opening and closing of the electric cooker or the electric pressure cooker and the like.

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 damping effect and the use effect of a user are 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 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 in at least part of the relative rotation process of the outer shell cover and the inner core.

Further, the first friction piece is an elastic piece, and the second friction piece is a protrusion.

Further, the elastic piece is a spring piece.

Furthermore, the elastic sheet is arc-shaped, and the elastic sheet protrudes towards the direction far away from the inner wall of the outer shell cover.

Furthermore, one end of the elastic sheet is connected to the inner wall of the outer shell cover, and the other end of the elastic sheet is arranged in a suspended mode.

Furthermore, an opening is formed in the shell cover, and one end of the elastic sheet is connected to the side wall of the opening.

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 a shaft to penetrate through, and the inner core and the shaft 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.

Furthermore, the outer wall of the end cover is provided with at least one circle of annular flange, and the outer wall of the annular flange is abutted to the inner wall of the cover main body.

Further, lubricating liquid is arranged between the first friction member and the second friction member.

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 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 in the uncovering process of the existing cooking utensil as much as possible, has good damping effect and user experience, and is simple in structure, easy to assemble and produce, low in cost and small in size.

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 by the embodiment of the present invention;

FIG. 3 is a second exploded view of the damping structure according to the embodiment of the present invention;

FIG. 4 is a side view of a damping structure provided by an embodiment of the present invention with end caps removed;

fig. 5 is a schematic structural diagram of an enclosure cover according to an embodiment of the present invention.

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; 11. a cover main body; 12. an end cap; 13. an annular flange; 14. a second through hole; 15. 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 utensil adopting the same, so that the problems of humpback and jumping existing in the existing cooking utensil during opening the cover 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 to 3, 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 and 3, the outer housing shell 1 and the core 2 are preferably, but not limited to, generally cylindrical. In order to facilitate the assembly and use of the damping structure, the outer shell cover 1 comprises a hollow cover main body 11 with an open end and an end cover 12 arranged at the open end of the cover main body 11, positioning columns 15 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 15 after installation. Of course, it is understood that the positioning post 15 is 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 13, the outer wall of the annular flange 13 abutting against the inner wall of the cap body 11. Understandably, the shapes of the outer shell cover 1 and the inner core 2 are not limited to this, and it is sufficient that the inner core 2 is fitted in the outer shell cover 1 and the inner core 2 and the outer shell cover 1 can rotate relatively.

With continuing reference to fig. 2 and 3 and with combined reference to fig. 4, the inner wall of the outer housing 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 a force for preventing the outer shell cover 1 and the inner core 2 from rotating relatively, so that the relative rotation between the cooker cover and the cooker body is prevented, and the movement of the cooker cover in the opening process is smoother. The outer shell cover 1, the inner core 2, the first friction member 3 and the second friction member 4 are each preferably, but not limited to, made of metal or plastic material. The number of the first friction members 3 and the second friction members 4 may be 1 or more, for example, the number of the first friction members 3 and the number of the second friction members 4 are two, the two first friction members 3 are symmetrically distributed on the inner wall of the outer shell 1, and the two second friction members 4 are symmetrically distributed on the outer wall of the inner core 2. In order to reduce the wear of the first friction member 3 and the second friction member 4, a lubricating fluid is preferably provided between the first friction member 3 and the second friction member 4.

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 4 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 14 corresponding to the position of the first through hole 21, specifically, the positioning column 15 on the bottom surface of the cover main body 11 and the positioning column 15 on the inner wall surface of the end cover 12 are respectively provided with the second through hole 14, the first through hole 21 and the second through hole 14 are used for the rotation shaft to pass through, and the inner core 2 and the rotation 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 against each other, so that resistance force for preventing the inner core 2 and the outer shell cover 1 from rotating relatively is generated.

In order to make the damping effect more stable, the first friction member 3 is an elastic member, and the second friction member 4 is a protrusion. The protrusions taper smoothly in a direction away from the inner core 2. The surface that the arch can butt elastic component and from the surface friction rotation of elastic component, protruding and the frictional in-process of elastic component, elastic component is extruded deformation, and then produces and hinders protruding continuation pivoted elasticity, and can produce different resistances through different deformation volume.

In order to further ensure the damping effect, simplify the structure and facilitate the processing, as shown in fig. 5, the elastic member is a spring sheet. The elastic sheet is preferably arc-shaped, and the elastic sheet protrudes in the direction away from the inner wall of the outer housing cover 1. In order to ensure that the elastic sheet can provide enough elastic force and further reduce the abrasion of the damping structure, one end of the elastic sheet is connected to the inner wall of the outer shell cover 1, and the other end of the elastic sheet is arranged in a suspension manner. For the convenience of processing, be provided with the opening on the shell cover 1, the one end of shell fragment is connected on the open-ended lateral wall, the unsettled setting of the other end.

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, arch and shell fragment relatively rotate and rub, and the shell fragment is pushed deformation and is produced and hinder inner core 2 and the 1 relative pivoted resistance of outer clamshell, and the shell fragment can produce different resistances through different deformation volume, and then hinders the relative rotation between pot cover and the pot body for the motion of pot cover at the opening in-process is more gentle.

The damping structure that this embodiment provided realizes the damping through the friction between first friction piece 3 on the inner wall of outer clamshell 1 and the second friction piece 4 on the outer wall of inner core 2, and the structure is more stable, life is longer, can avoid current cooking utensil as far as possible hump back, the take-off problem that the in-process exists of uncapping, and damping effect and user experience are good, and simple structure, assembly production are easy, with low costs, 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

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 first friction piece (3) is a spring plate, and the second friction piece (4) is a bulge; one end of the elastic sheet is connected to the inner wall of the outer shell cover (1), and the other end of the elastic sheet is suspended in the air; an opening is formed in the outer shell cover (1), and one end of the elastic sheet is connected to the side wall of the opening; lubricating liquid is arranged between the first friction piece (3) and the second friction piece (4);

the elastic sheet is arc-shaped and protrudes towards the direction far away from the inner wall of the outer shell cover (1).

2. The damping structure according to claim 1, wherein the outer shell cover (1) comprises a hollow cover main body (11) with an open end and an end cover (12) arranged at the open end of the cover main body (11), a positioning column (15) 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 (2) is sleeved on the positioning column (15) after being installed.

3. The damping structure according to claim 1, characterized in that the inner core (2) is provided with a first through hole (21) along the height direction thereof, the two ends of the outer shell (1) are respectively provided with a second through hole (14) corresponding to the position of the first through hole (21), the first through hole (21) and the second through hole (14) are used for a shaft to pass through, and the inner core (2) and the shaft cannot rotate relatively.

4. Damping structure according to claim 1, characterized in that the outer shell cover (1) is provided with fixing means (5) on its outer wall, said fixing means (5) being intended to be fixed with a member to be connected.

5. A device comprising a damping structure according to any one of claims 1 to 4, comprising a first body and a second body rotatably connected by a rotation axis, the first body being fixed to the outer shell (1) or the inner core (2), the second body being capable of driving the inner core (2) and the outer shell (1) in rotation via the rotation axis.

6. The apparatus of claim 5, 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.