CN214017282U - Multifunctional food processor - Google Patents

Abstract

The utility model provides a multifunctional food processor. Multifunctional food processor includes: the shell is provided with an accommodating space; the rotating structure, at least one part of the rotating structure is arranged in the accommodating space; the egg shaking structure is detachably connected with the rotating structure; the grinding structure and the egg shaking structure can be alternatively connected with the rotating structure, so that the multifunctional food processor has the functions of egg shaking and grinding. The utility model provides an among the prior art multi-functional cooking machine have the problem that the utilization ratio is low.

Description

Multifunctional food processor

Technical Field

The utility model relates to a household electrical appliances technical field particularly, relates to a multi-functional cooking machine.

Background

At present, the multifunctional food processor is used as a necessary device in a kitchen, can realize the functions of garlic reaming, vegetable cutting and food grinding, can also be used as complementary food for babies, and is simple to operate and convenient to clean. And in order to better absorb the nutrient components of the eggs, the egg white and the yolk of the eggs are mixed together by an egg shaker to cook the golden eggs. The multifunctional food processor and the egg shaking device are two single products, occupy more area in a kitchen and are low in utilization rate.

That is to say, there is the problem that the utilization ratio is low in the multi-functional cooking machine among the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional food processor to there is the problem that the utilization ratio is low in the multifunctional food processor among the solution prior art.

In order to achieve the above object, the utility model provides a multifunctional food processor, include: the shell is provided with an accommodating space; the rotating structure, at least one part of the rotating structure is arranged in the accommodating space; the egg shaking structure is detachably connected with the rotating structure; the grinding structure and the egg shaking structure can be alternatively connected with the rotating structure, so that the multifunctional food processor has the functions of egg shaking and grinding.

Further, the rotation structure includes: the switch structure is arranged at the outer peripheral wall of the shell; the rotating shaft is mechanically or electrically connected with the switch structure, at least one part of the rotating shaft extends into the accommodating space, and the egg shaking structure and the mincing structure can be alternatively connected with the rotating shaft.

Further, when the switch structure is mechanically connected with the rotating shaft, the switch structure comprises: pulling a rope; resilience revolution mechanic, resilience revolution mechanic is connected so that the pivot resumes initial position with the pivot, and the stay cord is connected with resilience revolution mechanic or pivot and rotates in order to drive the pivot.

Further, the housing includes: the rotating structure is arranged on the upper cover; the cup body, upper cover detachably lid are established on the cup body, and the cup encloses into the accommodation space with the upper cover, and revolution mechanic's pivot is stretched into in the accommodation space by the upper cover.

Further, the shell also comprises a non-slip mat which is arranged on the surface of one side of the cup body far away from the upper cover.

Further, the egg shaking structure comprises: the accommodating structure is provided with at least two sub-structures, so that the accommodating structure can be arranged in an openable and closable manner, all the sub-structures surround a cavity, and the accommodating structure is connected with the rotating structure; deformation bearing structure, deformation bearing structure laminating set up on the chamber wall of cavity, and deformation bearing structure encloses into the accommodation space who holds the egg to the not equidimension egg of adaptation.

Further, the at least two-part sub-structure comprises: a first half-shell having a connection post protruding towards the rotary structure, the first half-shell having a support post protruding towards the bottom of the shell; and the second half shell is pivotally connected with the first half shell and is in snap connection with the first half shell.

Further, the bottom end surface of the support column is provided with a groove, and the bottom inner surface of the shell is provided with a support protrusion embedded in the groove.

Further, the deformation bearing structure is elastic material, and the deformation bearing structure includes: the first elastic cushion is attached to the inner side of the first half shell; and the second elastic cushion is attached to the inner side of the second half shell.

Furthermore, the peripheral surface of the first elastic cushion is provided with a first connecting structure, the first half shell is provided with a first connecting hole, and the first connecting structure penetrates through the first connecting hole to extend out so that the first elastic cushion is connected with the first half shell in a clamping mode; and/or the peripheral surface of the second elastic cushion is provided with a second connecting structure, the second half shell is provided with a second connecting hole, and the second connecting structure extends out through the second connecting hole so that the second elastic cushion is connected with the second half shell in a clamping manner.

Furthermore, the inner circumferential surface and/or the outer circumferential surface of the first elastic cushion are/is provided with a plurality of first elastic convex ribs which are arranged at intervals; the inner peripheral surface and/or the outer peripheral surface of the second elastic cushion are/is provided with a plurality of second elastic convex ribs which are arranged at intervals.

By applying the technical scheme of the utility model, the multifunctional food processor comprises a shell, a rotating structure, an egg shaking structure and a rubbing structure, wherein the shell is provided with an accommodating space; at least one part of the rotating structure is arranged in the accommodating space; the egg shaking structure is detachably connected with the rotating structure; the grinding structure and the egg shaking structure can be alternatively connected with the rotating structure, so that the multifunctional food processor has the functions of egg shaking and grinding.

Through set up in multi-functional cooking machine and shake egg structure and rub the structure for multi-functional cooking machine can have and shake egg function and rub the function, in order to realize different functional requirements. The setting of revolution mechanic can drive and shake egg structure or rub the structure and rotate, and then realize different functions. When golden eggs need to be made, the eggs are placed on the egg shaking structure, the egg shaking structure is installed on the rotating structure, and the rotating structure rotates to mix egg white and yolk in the eggs to make the golden eggs. When the mincing function is needed, the mincing structure is arranged on the rotating structure, and the mincing structure rotates along with the rotating structure so as to mince food. Set up like this and make a multi-functional cooking machine not only have and rub the function but also have the function of shaking eggs, greatly increased multi-functional cooking machine's utilization ratio.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a multifunctional food processor according to an optional embodiment of the present invention; and

fig. 2 is a schematic structural view of the multifunctional food processor of fig. 1 when not assembled;

fig. 3 shows an exploded view of the multifunctional food processor of fig. 2;

fig. 4 shows an exploded view of the egg shake structure of fig. 3.

Wherein the figures include the following reference numerals:

10. a housing; 11. an accommodating space; 12. an upper cover; 13. a cup body; 14. a non-slip mat; 20. a rotating structure; 21. a switch structure; 211. pulling a rope; 212. a rebound rotation structure; 22. a rotating shaft; 30. an egg shaking structure; 31. an accommodating structure; 311. a first housing half; 312. a second half-shell; 313. connecting columns; 314. a support pillar; 315. a first connection hole; 316. a second connection hole; 32. a deformation support structure; 321. a first elastic pad; 322. a second elastic pad; 323. a first connecting structure; 324. a second connecting structure; 325. a first elastic rib; 326. a second elastic convex rib; 40. mincing the structure; 41. a base; 42. a blade; 50. a handle.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the problem that there is the low utilization ratio in the multi-functional cooking machine among the prior art, the utility model provides a multi-functional cooking machine.

As shown in fig. 1 to 4, the multifunctional food processor includes a housing 10, a rotating structure 20, an egg shaking structure 30 and a mincing structure 40, wherein the housing 10 has an accommodating space 11; at least a part of the rotating structure 20 is disposed in the accommodating space 11; the egg shaking structure 30 is detachably connected with the rotating structure 20; the mincing structure 40 and the egg shaking structure 30 can be alternatively connected with the rotating structure 20, so that the multifunctional food processor has the egg shaking function and the mincing function.

Through set up in multi-functional cooking machine and shake egg structure 30 and rub structure 40 for multi-functional cooking machine can have and shake the egg function and rub the function, in order to realize different functional requirements. The arrangement of the rotating structure 20 can drive the egg shaking structure 30 or the mincing structure 40 to rotate, thereby realizing different functions. When golden eggs are required to be made, the eggs are placed on the egg shaking structure 30, the egg shaking structure 30 is installed on the rotating structure 20, and the rotating structure 20 rotates to mix egg white and yolk in the eggs to make the golden eggs. When the mincing function is needed, the mincing structure 40 is installed on the rotating structure 20, and the mincing structure 40 rotates along with the rotating structure 20 to mince food. Set up like this and make a multi-functional cooking machine not only have and rub the function but also have the function of shaking eggs, greatly increased multi-functional cooking machine's utilization ratio.

As shown in fig. 1, multi-functional cooking machine still includes handle 50, has the through-hole on the handle 50 to hang multi-functional cooking machine on the couple, reduce the space that multi-functional cooking machine occupy.

Example one

As shown in fig. 3, the rotating structure 20 includes a switch structure 21 and a rotating shaft 22, the switch structure 21 being disposed at an outer circumferential wall of the housing 10; the rotating shaft 22 is mechanically connected with the switch structure 21, at least a part of the rotating shaft 22 extends into the accommodating space 11, and the egg shaking structure 30 and the mincing structure 40 are alternatively connected with the rotating shaft 22. The switch structure 21 is mechanically connected with the rotating shaft 22, and when the switch structure 21 is operated, the rotating shaft 22 rotates to realize an egg shaking function or a mincing function. At least one part of the rotating shaft 22 extends into the accommodating space 11, so that the egg shaking structure 30 and the rubbing structure 40 are both in the accommodating space, the rotation of the egg shaking structure 30 and the rubbing structure 40 by other structural members is avoided, and the working stability of the egg shaking structure 30 and the rubbing structure 40 is ensured. While also facilitating installation and cleaning of the egg shaking structure 30 and the grinding structure 40.

As shown in fig. 3, when the switch structure 21 is mechanically connected to the rotating shaft 22, the switch structure 21 includes a pull rope 211 and a rebounding rotating structure 212, the rebounding rotating structure 212 is connected to the rotating shaft 22 to restore the rotating shaft 22 to the initial position, and the pull rope 211 is connected to the rebounding rotating structure 212 or the rotating shaft 22 to drive the rotating shaft 22 to rotate. Stay cord 211 twines on resilience revolution mechanic 212, pulls stay cord 211, and resilience revolution mechanic 212 rotates to first direction, and the back is all pulled out to stay cord 211, and resilience revolution mechanic 212 rotates to the second direction under the effect of resilience power to on twining resilience revolution mechanic 212 with stay cord 211, resilience revolution mechanic 212 is connected with pivot 22 and drives pivot 22 and rotate. The shaft 22 can be rotated back and forth by the interaction of the pull cord 211 and the resilient rotating structure 212.

Specifically, the housing 10 has a through hole through which the pulling rope 211 protrudes. The pull rope 211 stretches out through the through hole, so that a user can pull the pull rope 211 conveniently, and the multifunctional food processor works.

As shown in fig. 1 to 3, the housing 10 includes an upper cover 12 and a cup body 13, and a rotary structure 20 is provided on the upper cover 12; the upper cover 12 is detachably covered on the cup body 13, the cup body 13 and the upper cover 12 enclose an accommodating space 11, and a rotating shaft 22 of the rotating structure 20 extends into the accommodating space 11 from the upper cover 12. The upper cover 12 is detachably connected with the cup body 13 so as to facilitate the assembly and disassembly of the egg shaking structure 30 and the mincing structure 40. Simultaneously at the in-process of multi-functional cooking machine work, upper cover 12 is in the same place with cup 13 lid, can effectively avoid other structures to shake egg structure 30 and rub the influence of structure 40, can also avoid simultaneously shaking egg structure 30 and rubbing structure 40 and throw away the outside of casing 10 at the in-process of work, has increased and has shaken egg structure 30 and rubbed the stability and the security of structure 40 work.

It should be noted that, the upper cover 12 and the cup body 13 are detached, so as to mount the egg shaking structure 30 or the rubbing structure 40 on the exposed rotating shaft 22 of the upper cover 12, so that the egg shaking structure 30 and the rubbing structure 40 can be tightly connected with the rotating shaft 22, and meanwhile, the cleaning of the egg shaking structure 30 and the rubbing structure 40 is facilitated, and the cleaning of the interior of the cup body 13 is also facilitated.

As shown in FIG. 1, the shell 10 further includes a non-slip pad 14, and the non-slip pad 14 is disposed on a side surface of the cup body 13 away from the upper lid 12. The setting of slipmat 14 can increase the frictional force between multi-functional cooking machine and the desktop to reduce the risk that multi-functional cooking machine rocked when drawing rope 211, increased the stability of multi-functional cooking machine work.

As shown in fig. 3, the egg shaking structure 30 includes a receiving structure 31 and a deformation supporting structure 32, the receiving structure 31 has at least two sub-structures, so that the receiving structure 31 can be opened and closed, all the sub-structures surround a cavity, and the receiving structure 31 is connected to the rotating structure 20; deformation bearing structure 32 laminating sets up on the chamber wall of cavity, and deformation bearing structure 32 encloses into the accommodation space who holds the egg to the not equidimension egg of adaptation. The arrangement of the deformation supporting structure 32 can protect the eggs, so that other structures are prevented from colliding the eggs, and the stable work of the egg shaking structure 30 is guaranteed. Simultaneously the setting of deformation bearing structure 32 makes accommodation space's size changeable to the not equidimension egg of adaptation has increased the commonality of shaking egg structure 30. And the holding structure 31 is set to provide a holding space for the deformation supporting structure 32, and simultaneously, the outside structure can be isolated from colliding with the eggs, so that the egg shaking structure 30 can work stably.

As shown in fig. 3, the at least two-part sub-structure comprises a first half-shell 311 and a second half-shell 312, the first half-shell 311 having a connection post 313 protruding towards the rotary structure 20, the first half-shell 311 having a support post 314 protruding towards the bottom of the shell 10; the second half-shell 312 is pivotally connected to the first half-shell 311, and the second half-shell 312 is snap-connected to the first half-shell 311. The connection column 313 is arranged to facilitate the connection between the accommodating structure 31 and the rotating shaft 22, and the first half shell 311 and the second half shell 312 are matched with each other to facilitate the placement of eggs in the accommodating space. One end of the first half-shell 311 and one end of the second half-shell 312 are pivotally connected, and the second half-shell 312 is snap-connected to the other end of the first half-shell 311 to facilitate opening or closing of the second half-shell 312 to facilitate loading and unloading of eggs.

Specifically, the bottom end surface of the supporting column 314 has a groove, and the bottom inner surface of the housing 10 has a supporting projection embedded in the groove. The arrangement enables the groove and the supporting protrusion to form spacing, so that the egg shaking structure 30 only rotates without revolution, and the working stability of the egg shaking structure 30 is improved.

As shown in fig. 4, the deformation supporting structure 32 is made of an elastic material, the deformation supporting structure 32 includes a first elastic pad 321 and a second elastic pad 322, the first elastic pad 321 is attached to the inner side of the first half-shell 311; second resilient pad 322 is snugly disposed inside second shell half 312. Elastic material has certain deformation volume to hold the egg of equidimension not, elastic material can not bump the egg simultaneously and break up, guarantees that the egg can be intact. The first resilient pad 321 and the second resilient pad 322 are provided to fit the first half shell 311 and the second half shell 312. First resilient pad 321 is laid over the entire inner side surface of first half shell 311, and second resilient pad 322 is laid over the entire inner side surface of second half shell 312.

As shown in fig. 4, the first elastic pad 321 has a first connection structure 323 on an outer peripheral surface thereof, the first half case 311 has a first connection hole 315, and the first connection structure 323 protrudes through the first connection hole 315, so that the first elastic pad 321 is connected to the first half case 311 in a snap-fit manner. The first connection structure 323 can extend out through the first connection hole 315, so that the first connection structure 323 is clamped at the first connection hole 315, thereby avoiding a risk of the first elastic pad 321 being separated from the first half housing 311.

As shown in fig. 4, a second connection structure 324 is disposed on an outer circumferential surface of second elastic pad 322, second housing half 312 has a second connection hole 316, and second connection structure 324 extends through second connection hole 316, so that second elastic pad 322 is connected to second housing half 312 in a snap-fit manner. Second connecting structure 324 can extend through second connecting hole 316, so that second connecting structure 324 is snapped at second connecting hole 316 to avoid the risk of second elastic pad 322 being detached from second half shell 312.

As shown in fig. 4, the first elastic pad 321 has a plurality of first elastic beads 325 on the inner and outer circumferential surfaces thereof, and the plurality of first elastic beads 325 are spaced apart from each other. The inner and outer circumferential surfaces of the first elastic pad 321 are provided with a plurality of first elastic beads 325 to provide a certain amount of deformation to accommodate eggs of different sizes. And the first elastic ribs 325 are arranged on both the inner circumferential surface and the outer circumferential surface of the first elastic pad 321, so that both the inner circumferential surface and the outer circumferential surface of the first elastic pad 321 have deformation, and thus the egg shaking structure 30 has stronger universality.

Of course, the first elastic beads 325 may be provided only on one side surface of the first elastic pad 321.

As shown in fig. 4, the second elastic pad 322 has a plurality of second elastic ribs 326 on the inner and outer circumferential surfaces thereof, and the plurality of second elastic ribs 326 are spaced apart from each other. The inner and outer circumferential surfaces of the second elastic pad 322 are each provided with a plurality of second elastic ribs 326 to provide a certain amount of deformation to accommodate eggs of different sizes. And the second elastic ribs 326 are arranged on the inner circumferential surface and the outer circumferential surface of the second elastic cushion 322, so that the inner circumferential surface and the outer circumferential surface of the second elastic cushion 322 have deformation, and the egg shaking structure 30 has stronger universality.

Of course, it is also possible to provide the second elastic bead 326 on only one side surface of the second elastic pad 322.

As shown in fig. 2, the grinding structure 40 includes a base 41 and a plurality of blades 42, the base 41 is connected to the rotating structure 20, the plurality of blades 42 are spaced along the extending direction of the base 41, and the extending directions of at least two blades 42 are different. The base 41 is connected to the rotating shaft 22, and the rotating shaft 22 drives the base 41 to rotate, so that the blade 42 cuts the food material to grind the big food material, thereby achieving the purpose of grinding.

Example two

The difference from the first embodiment is that the switch structure 21 is different.

In the present embodiment, the rotating structure 20 includes a switch structure 21 and a rotating shaft 22, the switch structure 21 being provided at the outer circumferential wall of the housing 10; the rotating shaft 22 is electrically connected with the switch structure 21, at least a part of the rotating shaft 22 extends into the accommodating space 11, and the egg shaking structure 30 and the mincing structure 40 are alternatively connected with the rotating shaft 22. The multifunctional food processor in the present embodiment is electric, and only the switch structure 21 needs to be turned on to enable the rotation shaft 22 to rotate.

In this embodiment, the rotating structure 20 is a motor.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A multifunctional food processor is characterized by comprising:

a housing (10), the housing (10) having an accommodating space (11);

a rotating structure (20), at least a portion of said rotating structure (20) being arranged within said housing space (11);

an egg-shaking structure (30), the egg-shaking structure (30) being detachably connected with the rotating structure (20);

a mincing structure (40), wherein the mincing structure (40) and the egg shaking structure (30) can be alternatively connected with the rotating structure (20), so that the multifunctional food processor has the functions of egg shaking and mincing.

2. The multifunctional food processor according to claim 1, wherein said rotating structure (20) comprises:

a switch structure (21), the switch structure (21) being provided at an outer peripheral wall of the housing (10);

the rotating shaft (22), the rotating shaft (22) is mechanically or electrically connected with the switch structure (21), at least one part of the rotating shaft (22) extends into the accommodating space (11), and the egg shaking structure (30) and the mincing structure (40) are alternatively connected with the rotating shaft (22).

3. The multifunctional food processor as claimed in claim 2, wherein when the switch structure (21) is mechanically connected to the rotating shaft (22), the switch structure (21) comprises:

a pull cord (211);

the rebounding rotating structure (212), the rebounding rotating structure (212) is connected with the rotating shaft (22) to enable the rotating shaft (22) to recover the initial position, and the pulling rope (211) is connected with the rebounding rotating structure (212) or the rotating shaft (22) to drive the rotating shaft (22) to rotate.

4. The multifunctional food processor according to claim 1, wherein the housing (10) comprises:

an upper cover (12), the rotating structure (20) being provided on the upper cover (12);

the cup body (13) is detachably covered by the upper cover (12), the cup body (13) and the upper cover (12) enclose the accommodating space (11), and a rotating shaft (22) of the rotating structure (20) extends into the accommodating space (11) from the upper cover (12).

5. The multifunctional food processor as claimed in claim 4, wherein the shell (10) further comprises a non-slip pad (14), the non-slip pad (14) being disposed on a side surface of the cup body (13) away from the upper cover (12).

6. The multifunctional food processor according to any one of claims 1 to 5, wherein the egg shaking structure (30) comprises:

the accommodating structure (31), the accommodating structure (31) has at least two sub-structures, so that the accommodating structure (31) can be arranged in an opening and closing manner, all the sub-structures surround a cavity, and the accommodating structure (31) is connected with the rotating structure (20);

deformation bearing structure (32), deformation bearing structure (32) laminating sets up on the chamber wall of cavity, deformation bearing structure (32) enclose into the accommodation space who holds the egg to the not equidimension egg of adaptation.

7. The multifunctional food processor of claim 6, wherein the at least two-part sub-structure comprises:

a first half-shell (311), said first half-shell (311) having an attachment post (313) projecting towards said rotary structure (20), said first half-shell (311) having a support post (314) projecting towards the bottom of the shell (10);

a second half-shell (312), the second half-shell (312) being pivotally connected to the first half-shell (311), the second half-shell (312) being snap-connected to the first half-shell (311).

8. The multifunctional food processor as claimed in claim 7, wherein the bottom end surface of the supporting column (314) has a groove, and the bottom inner surface of the housing (10) has a supporting protrusion embedded in the groove.

9. The multifunctional food processor of claim 7, wherein the deformation support structure (32) is an elastic material, the deformation support structure (32) comprising:

the first elastic pad (321), the first elastic pad (321) is attached to the inner side of the first half shell (311);

a second elastic pad (322), wherein the second elastic pad (322) is arranged at the inner side of the second half shell (312) in a fitting manner.

10. The multifunctional food processor of claim 9, wherein,

the outer peripheral surface of the first elastic pad (321) is provided with a first connecting structure (323), the first half shell (311) is provided with a first connecting hole (315), and the first connecting structure (323) penetrates through the first connecting hole (315) to extend out, so that the first elastic pad (321) is connected with the first half shell (311) in a clamping mode; and/or

The outer peripheral face of second cushion (322) has second connection structure (324), second half shell (312) has second connecting hole (316), second connection structure (324) pass second connecting hole (316) stretch out, so that second cushion (322) with second half shell (312) joint is connected.

11. The multifunctional food processor of claim 10, wherein,

the inner circumferential surface and/or the outer circumferential surface of the first elastic cushion (321) is provided with a plurality of first elastic convex ribs (325), and the first elastic convex ribs (325) are arranged at intervals;

the inner circumferential surface and/or the outer circumferential surface of the second elastic cushion (322) is provided with a plurality of second elastic convex ribs (326), and the plurality of second elastic convex ribs (326) are arranged at intervals.

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