CN210673044U - Cooking utensil - Google Patents

Abstract

The utility model provides a cooking utensil, include: the pot body, the pot body includes: the middle plate structure is provided with a first mounting seat which is arranged in a downward protruding mode; the bottom fixing frame is provided with a second mounting seat which is arranged in an upward protruding mode; the first mounting seat is connected and matched with the second mounting seat, so that the middle plate structure is detachably connected with the bottom fixing frame; and the shell is clamped between the middle plate structure and the bottom fixing frame, and at least part of the outer surface of the first mounting seat and/or at least part of the outer surface of the second mounting seat are in contact fit or clearance fit with the inner wall surface of the shell. The utility model provides an electric pressure cooker's among the prior art shell structural strength poor, not only have the problem that deformation easily appears and influence the structure steadiness of the pot body, but also can have because of there is great assembly gap with other structural element, and reduce the problem of electric pressure cooker's assembly precision.

Description

Cooking utensil

Technical Field

The utility model relates to a household electrical appliances technical field for the kitchen particularly, relates to a cooking utensil's institutional advancement.

Background

As a household appliance, the electric pressure cooker is more and more popular with consumers due to the characteristics of convenient use and fast cooking.

In the prior art, the casing of the pot body of the electric pressure cooker is usually made of hardware materials and is clamped between the middle plate structure and the bottom fixing frame of the pot body, and the middle plate structure and the bottom fixing frame only have the function of clamping and fixing the casing, so that the casing can be prevented from shaking in the axial direction of the pot body, and the structural strength of the casing is not improved; when other structural elements are subsequently installed on the shell to cause the shell to be stressed or when the shell is subjected to external uncertain impact force, the shell is deformed frequently, so that the stability of the overall structure of the pot body is influenced, the appearance of the pot body is damaged, and the user experience of the electric pressure cooker is influenced. Moreover, the electric pressure cooker with the structure also has the problem that after other structural elements are subsequently installed on the outer shell, the outer shell and the other structural elements have larger assembly gaps due to deformation, so that the appearance aesthetic feeling of the electric pressure cooker is affected, the assembly precision of the electric pressure cooker is reduced, and the structural regularity of products of the electric pressure cooker is affected.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a cooking utensil to the shell structural strength who solves the electric pressure cooker among the prior art is poor, not only has the problem that deformation easily appears and influence the structure steadiness of the pot body, but also can have because of there being great assembly gap with other structural element, and reduces the problem of electric pressure cooker's assembly precision.

In order to achieve the above object, the present invention provides a cooking appliance, comprising: the pot body, the pot body includes: the middle plate structure is provided with a first mounting seat which is arranged in a downward protruding mode; the bottom fixing frame is provided with a second mounting seat which is arranged in an upward protruding mode; the first mounting seat is connected and matched with the second mounting seat, so that the middle plate structure is detachably connected with the bottom fixing frame; and the shell is clamped between the middle plate structure and the bottom fixing frame, and at least part of the outer surface of the first mounting seat and/or at least part of the outer surface of the second mounting seat are in contact fit or clearance fit with the inner wall surface of the shell.

By applying the technical scheme of the utility model, the first mounting seat is arranged on the middle plate structure of the cooking utensil, and the second mounting seat which is connected and matched with the first mounting seat is arranged on the bottom fixing frame, so that after the middle plate structure and the bottom fixing frame are assembled, the connection stability between the middle plate structure and the bottom fixing frame can be ensured, and the shell can be clamped between the middle plate structure and the bottom fixing frame, thereby avoiding the shell from shaking in the axial direction of the pot body and improving the structural stability of the pot body; moreover, after the middle plate structure and the bottom fixing frame are assembled, at least one part of the outer surface of the first mounting seat and/or at least one part of the outer surface of the second mounting seat are in contact fit or clearance fit with the inner wall surface of the shell; therefore, the first mounting seat and/or the second mounting seat can stop the shell and effectively limit the deformation of the shell, so that the structural strength of the shell is improved, and further, when the shell is stressed due to the fact that other structural elements are subsequently mounted on the shell or when the shell is subjected to external uncertain impact force, the deformation of the shell is not too large, so that the structural stability of the pot body is further improved by the aid of the technical scheme; and effectively avoid the appearance of great assembly gap between shell and other structural element, promoted cooking utensil's structural regularity.

Furthermore, the first mounting seat is a rod-shaped mounting column, the second mounting seat is a cylindrical connecting cylinder, and at least one part of the mounting column is inserted into the connecting cylinder so as to realize nesting fit between the first mounting seat and the second mounting seat; wherein at least a part of the outer surface of the second mounting seat is abutted against the inner wall surface of the housing.

Further, the ratio of the length of the contact surface of the second mounting seat and the housing in the axial direction of the housing to the axial length of the housing is greater than or equal to 30% and less than or equal to 90%. Like this, be favorable to optimizing the area of contact of second mount pad and shell to under the condition of the processing consumptive material of effective control to the second mount pad has been ensured, still make the second mount pad can provide the holding power reliably for the shell, prevent its atress deformation.

Furthermore, the first mounting seat is a cylindrical connecting cylinder, the second mounting seat is a rod-shaped mounting column, and at least one part of the mounting column is inserted into the connecting cylinder so as to realize nesting fit between the first mounting seat and the second mounting seat; wherein at least a part of the outer surface of the first mounting seat is abutted with the inner wall surface of the shell. In addition, the first mounting seat and the second mounting seat are matched in a nesting mode, so that the first mounting seat and the second mounting seat are convenient to detach and mount, and the components in the pot body can be maintained and replaced; in this embodiment, the internal face butt of some surface and the shell of first mount pad, like this, first mount pad not only can play and reliably be connected with the second mount pad to ensure the convenient characteristic of pot body assembly, first mount pad plays the effect of keeping out to the shell in the shell moreover, can prevent shell atress deformation effectively, and then and guaranteed that the whole pot body has good outward appearance aesthetic feeling, and then has promoted the purchase desire of consumer to cooking utensil.

Further, the ratio of the length of the contact surface of the first mounting seat and the housing in the axial direction of the housing to the axial length of the housing is greater than or equal to 30% and less than or equal to 90%. Likewise, the contact area of the first mounting seat and the shell is optimized, so that the first mounting seat can provide reliable supporting force for the shell and is prevented from being deformed under stress under the condition that effective control on processing consumables of the first mounting seat is ensured.

Further, the mounting post is in interference fit with the connecting cylinder. Like this, can effectively avoid the erection column to drop with the connecting cylinder in accident, promote the stability of being connected between medium plate structure and the bottom mount.

Further, the pot body also comprises a fastener, and the fastener is arranged in the connecting cylinder and the mounting column in a penetrating way to be fastened and connected with the connecting cylinder and the mounting column. In this way, the stability of the connection between the connector barrel and the mounting post is further improved by the fastener.

Furthermore, first mount pad is a plurality of, and a plurality of first mount pads are around the circumference interval setting of medium plate structure, and the second mount pad is a plurality of, and a plurality of second mount pads are around the circumference interval setting of bottom mount, and a plurality of first mount pads and a plurality of second mount pad one-to-one connect the cooperation. Like this, a plurality of subassemblies that a plurality of first mount pads and a plurality of second mount pad one-to-one connection cooperation formed are as can producing butt effect bearing structure to the internal face of the whole circumference of shell, ensure that the shell is difficult for taking place to warp when the assembly is between medium plate structure and bottom mount.

Further, the distance between at least a part of the outer surface of the first mounting seat and/or at least a part of the outer surface of the second mounting seat and the inner wall surface of the shell is greater than or equal to 0mm and less than or equal to 2 mm. In this way, when the distance between at least a part of the outer surface of the first mounting seat and/or at least a part of the outer surface of the second mounting seat and the inner wall surface of the housing is 0mm, at least a part of the outer surface of the first mounting seat and/or at least a part of the outer surface of the second mounting seat is in contact fit with the inner wall surface of the housing, and when the distance between at least a part of the outer surface of the first mounting seat and/or at least a part of the outer surface of the second mounting seat and the inner wall surface of the housing is greater than 0mm and less than or equal to 2mm, at least a part of the outer surface of the first mounting seat and/or at least a part of the outer surface of the second mounting seat is in clearance fit with the. The gap in the range is convenient for assembling the shell, the middle plate structure and the bottom fixing frame.

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 view of a pot body of a cooking appliance according to an alternative embodiment of the present invention;

FIG. 2 shows a schematic cross-sectional view of the pan body of FIG. 1;

FIG. 3 shows an enlarged schematic view at A in FIG. 2;

FIG. 4 shows an exploded view of the pot of FIG. 1;

FIG. 5 is a schematic structural diagram showing a middle plate structure of the pot body in FIG. 1;

FIG. 6 is a schematic diagram illustrating a bottom view of the midplane structure of FIG. 5;

fig. 7 shows a structural schematic diagram of the bottom fixing frame of the pot body in fig. 1.

Wherein the figures include the following reference numerals:

100. a pan body; 10. a middle plate structure; 11. a first mounting seat; 20. a bottom mount; 21. a second mounting seat; 30. a housing; 40. a base; 50. an inner pot; 60. a back cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the problems that the structural strength of the outer shell of the electric pressure cooker in the prior art is poor, the deformation is easy to occur, the structural stability of the cooker body is influenced, and the assembly precision of the electric pressure cooker is reduced due to the fact that a large assembly gap exists between the electric pressure cooker and other structural elements, the utility model provides a cooking appliance; it should be noted that the cooking appliance of the present application includes an electric pressure cooker or an electric rice cooker, but is not limited to both, and the illustrated embodiment of the present application takes an electric pressure cooker as an example.

As shown in fig. 1 to 7, the cooking appliance includes a pot body 100, and the pot body 100 includes: the middle plate structure 10, the bottom fixing frame 20 and the shell 30, wherein the middle plate structure 10 is provided with a first mounting seat 11 which protrudes downwards; the bottom fixing frame 20 is provided with a second mounting seat 21 which protrudes upwards; the first mounting seat 11 is connected and matched with the second mounting seat 21, so that the middle plate structure 10 is detachably connected with the bottom fixing frame 20; the outer shell 30 is interposed between the middle plate structure 10 and the bottom fixing frame 20, and at least a part of an outer surface of the first mounting seat 11 and/or at least a part of an outer surface of the second mounting seat 21 is in contact fit or clearance fit with an inner wall surface of the outer shell 30.

The first mounting seat 11 is arranged on the middle plate structure 10 of the cooking appliance, and the second mounting seat 21 connected and matched with the first mounting seat 11 is arranged on the bottom fixing frame 20, so that after the middle plate structure 10 and the bottom fixing frame 20 are assembled, the connection stability between the middle plate structure 10 and the bottom fixing frame 20 can be ensured, the shell 30 can be clamped between the middle plate structure 10 and the bottom fixing frame 20, the shell 30 is prevented from shaking in the axial direction of the pot body 100, and the structural stability of the pot body 100 is improved; moreover, after the middle plate structure 10 and the bottom fixing frame 20 are assembled, at least a part of the outer surface of the first mounting seat 11 and/or at least a part of the outer surface of the second mounting seat 21 are in contact fit or clearance fit with the inner wall surface of the housing 30; thus, the first mounting seat 11 and/or the second mounting seat 21 can stop the outer shell 30, and effectively limit the deformation amount of the outer shell 30, so as to improve the structural strength of the outer shell 30, and further ensure that the deformation amount of the outer shell 30 is not too large when the outer shell 30 is stressed due to the subsequent mounting of other structural elements on the outer shell 30, or when the outer shell 30 is subjected to an external uncertain impact force, therefore, the structural stability of the pot body 100 is further improved by using the technical scheme provided by the application; but also effectively avoids large assembly gaps between the shell 30 and other structural elements, and improves the structural regularity of the cooking utensil.

It should be noted that, in the present application, as shown in fig. 1, fig. 2 and fig. 4, the pot body 100 further includes a base 40 and an inner pot 50, the bottom fixing frame 20 is disposed in the base 40, and the inner pot 50 is disposed in a cavity enclosed by the middle plate structure 10, the outer shell 30, the bottom fixing frame 20 and the base 40. The pan body 100 further comprises a rear cover plate 60 and a power supply board mounting rack for mounting a power supply board, wherein the rear cover plate 60 is covered on the outer wall surface of the shell 30; the power strip mounting is located between the housing 30 and the back cover plate 60. In this way, the structural integrity of the cooking appliance is ensured, and in this embodiment, the rear cover plate 60 covering the outer wall surface of the outer casing 30 is the other structural element for assembly with the outer casing 30 as described above.

In this embodiment, the outer shell 30 is clamped between the middle plate structure 10 and the bottom fixing frame 20, the rear cover plate 60 is in surface-to-surface fit with the outer shell 30, during the process of assembling the pot body 100, the outer shell 30 is fixed with the bottom fixing frame 20, and then is installed in a fit with the middle plate structure 10 as an assembly, the first installation seat 11 on the middle plate structure 10 is in mutual connection and fit with the second installation seat 21 on the bottom fixing frame 20, at least a part of the outer surface of the first installation seat 11 and/or at least a part of the outer surface of the second installation seat 21 is in contact fit with the inner wall surface of the outer shell 30, so that the inner wall surface of the outer shell 30 can be stably supported, and thus when the rear cover plate 60 is finally installed, the rear cover plate 60 can be tightly fitted with the outer shell 30.

As shown in fig. 2 to 7, the first mounting seat 11 is a rod-shaped mounting column, the second mounting seat 21 is a cylindrical connecting cylinder, and at least a part of the mounting column is inserted into the connecting cylinder to realize the nesting fit between the first mounting seat 11 and the second mounting seat 21; wherein at least a part of the outer surface of the second mounting seat 21 abuts against the inner wall surface of the housing 30. In addition, the first mounting seat 11 and the second mounting seat 21 are matched in a nesting mode, so that the first mounting seat 11 and the second mounting seat 21 are convenient to detach and mount, and the components in the pot body 100 can be maintained and replaced; in this embodiment, a part of outer surface of second mount pad 21 and the internal wall butt of shell 30, second mount pad 21 not only can play and reliably be connected with first mount pad 11 to ensure the convenient characteristic of pot body 100 assembly, second mount pad 21 plays the effect of keeping out to shell 30 in shell 30 moreover, can prevent shell 30 atress deformation effectively, and then and guaranteed that whole pot body 100 has good aesthetic appearance, and then promoted the purchase desire of consumer to cooking utensil.

In the present application, the ratio of the length of the contact surface between the second mount 21 and the housing 30 in the axial direction of the housing 30 to the axial length of the housing 30 is 30% or more and 90% or less. Like this, be favorable to optimizing the area of contact of second mount pad 21 and shell 30 to under the circumstances of having guaranteed effective control to the processing consumptive material of second mount pad 21, still make second mount pad 21 can provide reliable holding power for shell 30, prevent its atress deformation.

Of course, in an alternative embodiment of the present application, not shown in the drawings, the first mounting seat 11 is a connecting cylinder in the shape of a cylinder, the second mounting seat 21 is a mounting post in the shape of a rod, and at least a portion of the mounting post is inserted into the connecting cylinder to realize a nesting fit between the first mounting seat 11 and the second mounting seat 21; at least a part of the outer surface of the first mounting seat 11 abuts against the inner wall surface of the housing 30. Similarly, the first mounting base 11 and the second mounting base 21 are convenient to machine in a machining mode, so that the production and processing difficulty of the pot body 100 is reduced, and the production efficiency of the electric pressure cooker is improved; in this embodiment, a part of the outer surface of the first mounting seat 11 abuts against the inner wall surface of the outer casing 30, so that the first mounting seat 11 can not only be reliably connected with the second mounting seat 21 to ensure the convenient assembling characteristic of the pot body 100, but also the first mounting seat 11 can resist the outer casing 30 in the outer casing 30, so as to effectively prevent the outer casing 30 from being deformed due to stress, thereby ensuring that the whole pot body 100 has good appearance aesthetic feeling, and further promoting the purchase desire of consumers for cooking utensils.

Alternatively, the ratio of the length of the contact surface of the first mounting seat 11 and the housing 30 in the axial direction of the housing 30 to the axial length of the housing 30 is greater than or equal to 30% and less than or equal to 90%. Likewise, this is beneficial to optimize the contact area of first mounting seat 11 and housing 30, thereby ensuring effective control of processing consumables of first mounting seat 11, and also enabling first mounting seat 11 to provide reliable supporting force for housing 30, preventing it from being deformed by force.

Optionally, the mounting post to which the present application relates is an interference fit with the connector barrel. Like this, can effectively avoid the erection column to drop with the connecting cylinder by accident, promote the stability of being connected between medium plate structure 10 and bottom mount 20.

In addition, the pot body 100 further includes a fastener (not shown) penetrating through the connecting cylinder and the mounting post to fasten the two. In this way, the stability of the connection between the connector barrel and the mounting post is further improved by the fastener.

Optionally, the number of the first installation seats 11 related to the present application is plural, the plural first installation seats 11 are arranged around the middle plate structure 10 at intervals in the circumferential direction, the number of the second installation seats 21 is plural, the plural second installation seats 21 are arranged around the bottom fixing frame 20 at intervals in the circumferential direction, and the plural first installation seats 11 and the plural second installation seats 21 are connected and matched in a one-to-one correspondence manner. In this way, the plurality of components formed by the one-to-one corresponding connection and matching of the plurality of first mounting seats 11 and the plurality of second mounting seats 21 serve as a supporting structure capable of abutting against the inner wall surface of the housing 30 in the entire circumferential direction, and the housing 30 is ensured to be not easily deformed when being assembled between the middle plate structure 10 and the bottom fixing frame 20.

Note that the distance between at least a part of the outer surface of first mounting seat 11 and/or at least a part of the outer surface of second mounting seat 21 and the inner wall surface of casing 30 is 0mm or more and 2mm or less. In this way, when the distance between at least a part of the outer surface of first mounting seat 11 and/or at least a part of the outer surface of second mounting seat 21 and the inner wall surface of casing 30 is 0mm, at least a part of the outer surface of first mounting seat 11 and/or at least a part of the outer surface of second mounting seat 21 is in contact fit with the inner wall surface of casing 30, and when the distance between at least a part of the outer surface of first mounting seat 11 and/or at least a part of the outer surface of second mounting seat 21 and the inner wall surface of casing 30 is greater than 0mm and 2mm or less, at least a part of the outer surface of first mounting seat 11 and/or at least a part of the outer surface of second mounting seat 21 is in clearance fit with the inner wall surface of casing 30. The gap within this range facilitates the assembly of the housing 30, the middle plate structure 10 and the bottom fixture 20.

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 forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

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 (9)

1. A cooking appliance, characterized in that it comprises a pan body (100), said pan body (100) comprising:

the middle plate structure (10), the middle plate structure (10) is provided with a first mounting seat (11) which is arranged in a downward protruding mode;

the bottom fixing frame (20), the second mounting seat (21) which is arranged in an upward protruding mode is arranged on the bottom fixing frame (20); the first mounting seat (11) is connected and matched with the second mounting seat (21) so that the middle plate structure (10) is detachably connected with the bottom fixing frame (20);

the outer shell (30) is clamped between the middle plate structure (10) and the bottom fixing frame (20), and at least a part of outer surface of the first mounting seat (11) and/or at least a part of outer surface of the second mounting seat (21) are in contact fit or clearance fit with the inner wall surface of the outer shell (30).

2. The cooking appliance according to claim 1, wherein the first mounting seat (11) is a mounting post in the shape of a rod, and the second mounting seat (21) is a connecting cylinder in the shape of a cylinder, at least a portion of the mounting post being inserted in the connecting cylinder to achieve a nesting fit between the first mounting seat (11) and the second mounting seat (21); wherein at least a part of an outer surface of the second mounting seat (21) abuts against an inner wall surface of the housing (30).

3. The cooking appliance according to claim 2, wherein a ratio of a length of a contact surface of the second mount (21) with the housing (30) in an axial direction of the housing (30) to an axial length of the housing (30) is 30% or more and 90% or less.

4. The cooking appliance according to claim 1, wherein the first mounting seat (11) is a cylindrical connecting cylinder and the second mounting seat (21) is a rod-shaped mounting post, at least a portion of which is inserted in the connecting cylinder to achieve a nesting fit between the first mounting seat (11) and the second mounting seat (21); wherein at least a part of an outer surface of the first mounting seat (11) abuts against an inner wall surface of the housing (30).

5. The cooking appliance according to claim 4, wherein a ratio of a length of a contact surface of the first mounting seat (11) with the housing (30) in an axial direction of the housing (30) to an axial length of the housing (30) is 30% or more and 90% or less.

6. The cooking appliance of claim 2 or 4, wherein the mounting posts are an interference fit with the connector barrel.

7. The cooking appliance according to claim 2 or 4, wherein the pot (100) further comprises a fastener, the fastener being inserted into the connecting cylinder and the mounting column to fasten the two.

8. The cooking appliance according to any one of claims 1 to 5, wherein the first mounting seats (11) are plural, the plural first mounting seats (11) are arranged at intervals around the circumference of the middle plate structure (10), the plural second mounting seats (21) are plural, the plural second mounting seats (21) are arranged at intervals around the circumference of the bottom fixing frame (20), and the plural first mounting seats (11) and the plural second mounting seats (21) are connected and matched in a one-to-one correspondence manner.

9. The cooking appliance according to claim 1, wherein a distance between at least a part of an outer surface of the first mounting seat (11) and/or at least a part of an outer surface of the second mounting seat (21) and an inner wall surface of the housing (30) is 0mm or more and 2mm or less.

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