CN214433655U - Stirring pot - Google Patents

Abstract

The utility model relates to a stirring pot, include the pot body and locate the internal stirring rake of pot, the stirring rake is equipped with the through-hole, the actual area of the longitudinal section of stirring rake is S1, the area occupied of the longitudinal section of stirring rake is S2, half area of the longitudinal section of the pot body is S3, S1, S2, S3 have following relation: 0.01-0.3 of S1/S2 and 0.5-1 of S2/S3. The utility model discloses a hollow out construction's stirring rake, the effect is obvious, can effectively stir the interior edible material of pot, prevents to eat the material caking, sticks with paste the end, spills over, reduces user stirring work load to promote user's use and experience.

Description

Stirring pot

Technical Field

This patent belongs to domestic, commercial food processing technology field, particularly relates to a stirring pot.

Background

When a consumer boils the food materials, the food materials in the pot are often continuously stirred so as to prevent the problems of bottom burning, pot sticking, caking, excessive boiling, overflow and the like of the food materials. Especially, when viscous food materials such as rice flour balls of pearl milk tea are cooked, the stirring is continuously carried out to prevent the rice flour balls from caking and bottom burning.

However, in the existing electric appliances with cooking function in the market, the used cookware is mostly used for rapid stirring, and the food materials can be damaged in the stirring process; and the adoption of bottom stirring leads to insufficient stirring of food materials, and food material caking is easy to generate for sticky food materials. Many times, consumers can only take the spoon to stir in the pot when boiling, which wastes labor cost, is hard, and has a risk of scalding.

Therefore, it is urgently needed to provide a stirring pot to satisfy the cooking requirement that needs to be stirred at a low speed, and especially satisfy the boiling of viscous food materials.

SUMMERY OF THE UTILITY MODEL

In view of foretell analysis, the utility model aims at providing a stirring pot for solve current stirring pot and stir fast when the material is eaten to the viscosity of cooking and destroy and eat material integrality, the material is eaten to viscosity moreover and glues the problem of pot, caking easily.

The purpose of the utility model is realized like this:

the utility model provides a stirring pot utensil, includes the pot body and the pivot is located the internal stirring rake of pot, the actual area of the longitudinal section of stirring rake is S1, the area occupied of the longitudinal section of stirring rake is S2, half area of the longitudinal section of the pot body is S3, S1, S2, S3 have following relation:

0.01≤S1/S2≤0.3，0.5≤S2/S3<1。

the utility model relates to a preferred embodiment, at least, set up a paddle on the stirring rake.

In a preferred embodiment of the present invention, the paddle comprises one or more rods; the height of the longitudinal section of the rod is 1mm to 15mm, and the rod is a linear rod or a curved rod.

The utility model relates to a preferred embodiment, the paddle includes one or more agitator frame, the agitator frame by the pole forms through end-to-end connection, overlap joint and/or the mode of buckling.

The utility model relates to a preferred embodiment, the stirring frame includes one or more in rectangle frame, rhombus frame, triangle-shaped frame, the oval frame, the rounding off is located to make in the periphery turn of stirring frame.

In a preferred embodiment of the present invention, the rods are located in the same plane or in the same curved surface.

The utility model relates to a preferred embodiment, the top end of the paddle is provided with a first rectangular stirring frame, and the bottom end of the paddle is provided with a second rectangular stirring frame; the long sides of the first rectangular stirring frame and the second rectangular stirring frame are perpendicular to the longitudinal center line of the pot body.

The utility model relates to a preferred embodiment, the distance of second rectangle stirring frame to the bottom of a boiler is less than or equal to 10 mm.

The utility model relates to a preferred embodiment, the lower part longitudinal section width of paddle is greater than the upper portion longitudinal section width of paddle.

The utility model relates to a preferred embodiment, the long limit length of first rectangle stirring frame is less than the long limit length of second rectangle stirring frame, the outside minor face of second rectangle stirring frame with the inner wall contact of the pot body.

The utility model relates to a preferred embodiment, the bottom center of the pot body is provided with the pivot, the stirring rake dismantle install in the upper end of pivot.

The utility model relates to a preferred embodiment, the bottom of the stirring paddle is provided with a connecting block, and the connecting block is connected with a power transmission structure arranged at the upper end of the rotating shaft; the power transmission structure is a flat position, polygonal columnar structure or spline shaft structure.

In a preferred embodiment of the present invention, the paddle is detachably connected to the connecting block;

and a connecting hole is formed in the center of the lower end of the connecting block and matched with the power transmission structure.

Another kind of stirring pan, include the pot body and locate stirring rake in the pot body, the stirring rake includes the paddle, be equipped with at least one through-hole on the paddle, the through-hole allows the graininess to eat the material and pass through.

The utility model relates to a preferred embodiment, the paddle includes flat panel or curved plate, through-hole evenly distributed.

The utility model relates to a preferred embodiment, the thickness of plane board or curved plate is 1mm to 15mm, the through-hole includes one or more in circular port, rectangular hole, diamond hole, triangle-shaped hole, the ellipse circular hole.

Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:

1) adopt the stirring rake structure of innovation, the stirring rake is hollow out construction, and at the stirring in-process, food particle passes from the hollow out construction of stirring rake, can effectively stir the pot and eat the material, prevents to eat the material caking, stick with paste the end, spill over, reduces user stirring work load, and the effect is obvious, promotes user's use and experiences.

2) The paddle sets up the agitator frame, the agitator frame is passed through end to end connection by the pole that longitudinal section height is 1mm to 15mm, the mode of overlap joint and/or buckling forms, the size of agitator frame is to eat material particle size's several times, the through-hole size is bigger, the pole that reduces the agitator frame is eaten the direct contact chance of material with the granule, avoid because of the direct contact destroys the appearance that the granule was eaten the material, the rounding off is made in the periphery turn department of agitator frame moreover, avoid lacerating the material of eating, promote to eat and eat material pleasing to the eye degree.

3) The width of the lower longitudinal section of each blade is larger than that of the upper longitudinal section of each blade, specifically, a first rectangular stirring frame and a second rectangular stirring frame are respectively arranged at the top end and the bottom end of each blade, the distance from each second rectangular stirring frame to the bottom of a pot is less than or equal to 10mm, and the lower end of each second rectangular stirring frame can abut against the bottom of the pot, so that the food materials at the bottom of the pot are effectively prevented from being bonded and burnt due to insufficient stirring force; and the long limit length of first rectangle stirring frame is less than the long limit length of second rectangle stirring frame, and the outside minor face of second rectangle stirring frame contacts with the inner wall of the pot body 1, and this structure sets up the rectangle frame and the inner wall contact of the pot body 1 of only bottommost, can prevent that bottom viscidity from eating the material and bond together, is convenient for stir and scatters, and the area of contact of stirring rake and lateral wall is little moreover, reduces the resistance, noise abatement.

Drawings

In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present specification, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a first schematic structural view of a stirring pot of the present invention;

fig. 2 is a schematic structural view of a stirring pot of the present invention;

fig. 3 is a third schematic structural view of the stirring pot of the present invention;

fig. 4 is a fourth schematic structural view of the stirring pot of the present invention;

FIG. 5 is a schematic structural view of a stirring paddle with one blade according to the present invention;

fig. 6 is a schematic structural view of the stirring paddle with two blades according to the present invention;

fig. 7 is an explosion diagram of the stirring pot of the present invention.

Fig. 8 is a schematic structural view of the pan bottom of the present invention.

Reference numerals:

1. a pan body; 1-1, a rotating shaft; 1-2, pot bottom; 1-3, upper end; 1-4, axis; 1-5, a first clutch; 1-6, a heating module; 1-7, a base; 1-8, concave peripheral surface; 1-9, an upper coupler; 2. a stirring paddle; 2-1, a paddle; 2-2, a connecting block; 2-3, connecting holes; 3. and (4) a pot cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

For the purpose of facilitating understanding of the embodiments of the present application, the following description will be made in terms of specific embodiments with reference to the accompanying drawings, which are not intended to limit the embodiments of the present application.

The utility model discloses a concrete embodiment, as shown in fig. 1-8, discloses a stirring pot utensil, locate including the pot body 1, pot cover 3 and pivot stirring rake 2 in the pot body 1, the actual area of the longitudinal section of stirring rake 2 is S1, the area occupied of the longitudinal section of stirring rake 2 is S2, the half area of the vertical stirring working section of the pot body 1 is S3, S1, S2, S3 have following relation:

0.01≤S1/S2≤0.3，0.5≤S2/S3<1。

the actual area S1 of the longitudinal section of the paddle 2 is the projected area of the paddle 2 in the vertical plane, as shown in fig. 2. The projection of the stirring paddle 2 in the vertical plane has a highest end, a lowest end and two outermost ends, and the occupied area S2 of the longitudinal section of the stirring paddle 2 refers to the section area enclosed by the horizontal line of the highest end, the horizontal line of the lowest end and the vertical lines of the two outermost ends of the projection of the stirring paddle 2 in the vertical plane, as shown in FIG. 3. The longitudinal stirring working section of the pot body 1 is the longitudinal section of the part of the pot body 1 which is positioned below the horizontal line of the top end of the stirring paddle 2, as shown in figure 4.

In order to improve the stirring effect, at least one blade 2-1, preferably 1 to 2 blades 2-1, is arranged on the stirring paddle 2, and the blade 2-1 is a hollow structure to allow food particles to pass through the hollow structure. The paddle of this structure can be used for the stirring of graininess edible material, through stirring at a slow speed, eats the material granule and passes from the fretwork, not only stirring effect is good, can not destroy the shape of eating the material granule moreover.

In a preferred embodiment of this embodiment, the blade 2-1 comprises one or more rods, which are linear or curved rods having a longitudinal section with a height of 1mm to 15mm, preferably a linear width of 3mm to 5mm, and thus the blade 2-1 can be understood as a linear structure. The paddle 2-1 comprises one or more stirring frames, the stirring frames comprise one or more of rectangular frames, rhombic frames, triangular frames and oval frames, and the stirring frames are formed by connecting, overlapping and/or bending the rods end to end; the turning part of the periphery of the stirring frame is subjected to smooth treatment, so that the food materials are prevented from being scratched. By the stirring frame that thin pole formed, the through-hole size is bigger, reduces the pole of stirring frame and the direct contact chance that the granule was eaten the material, avoids eating the appearance of material because of direct contact destroys the granule, promotes to eat the pleasing to the eye degree of material.

In this embodiment, the rods of the blades 2-1 are located in the same plane or the same curved surface, that is, the plurality of stirring frames can be located or approximately located on the same plane or the same curved surface as a whole, and the curved surface can be an S-shaped curved surface.

In this embodiment, the rods of the blades 2-1 may not be in the same plane, and a plurality of rods form a spatial grid structure, or a plurality of stirring frames located on the same plane or the same curved surface are arranged in an angular cross manner, and different blades 2-1 may be staggered or connected with each other. Illustratively, the blade 2-1 includes a plurality of stirring frames, the plurality of stirring frames are divided into two groups, the first group of stirring frames is located on a first plane, the second group of stirring frames is located on a second plane, and the first plane and the second plane are arranged at 180 °, 120 °, 90 °, 60 ° or 45 °, wherein if the first plane and the second plane are at 180 °, the first plane and the second plane coincide, that is, the two groups of stirring frames are located on the same plane, as shown in fig. 6.

In consideration of the influence of the lengths of the long side and the short side of the stirring frame on the stirring range and the stirring effect, in a preferred embodiment of the present embodiment, the lower longitudinal sectional width of the paddle 2-1 is greater than the upper longitudinal sectional width of the paddle 2-1. Illustratively, a first rectangular stirring frame is arranged at the top end of the blade 2-1, and a second rectangular stirring frame is arranged at the bottom end of the blade 2-1; the long sides of the first rectangular stirring frame and the second rectangular stirring frame are perpendicular to the longitudinal center line of the pot body 1, and one or more stirring frames can be arranged between the first rectangular stirring frame and the second rectangular stirring frame.

In order to prevent food materials from being burnt and stuck to the pot, the distance from the second rectangular stirring frame to the pot bottom 1-2 is less than or equal to 10mm, the lower end of the second rectangular stirring frame can abut against the pot bottom 1-2, and the food materials at the bottom of the pot body are effectively prevented from being stuck and burnt due to insufficient stirring force.

The preferred embodiment of this embodiment, the long limit length of first rectangle stirring frame is less than the long limit length of second rectangle stirring frame, the outside minor face of second rectangle stirring frame with the inner wall contact of pot body 1, this structure sets up the rectangle frame and the inner wall contact of pot body 1 that only have the bottommost, can prevent that bottom viscidity from eating the material and bond together, is convenient for stir and scatters, moreover, little with the area of contact of lateral wall, reduce resistance, noise abatement.

In a preferred embodiment of this embodiment, the paddle 2-1 is provided with at least one through hole, the through hole allows the granular food material to pass through, the size of the through hole is set according to the size of the food material particles, and the minimum size of the through hole on the paddle 2-1 is larger than the maximum size of the food material particles.

In a preferred embodiment of this embodiment, the blade 2-1 comprises a flat plate or a curved plate, and the through holes are uniformly distributed; the thickness of the plane plate or the curved plate is 1mm to 15mm, and the thickness of the hole wall of the through hole is 1mm to 15 mm. It is also understood that the planar or curved plate provided with through-holes is formed by connecting, overlapping and/or bending rods with a diameter of 1mm to 15mm end to end.

In a preferred embodiment of this embodiment, the through-hole includes one or more of circular hole, rectangular hole, diamond-shaped hole, triangle-shaped hole, oval-shaped hole, and preferably, adopts circular hole or oval-shaped hole, avoids edges and corners to destroy and eat the material shape.

The size of the through holes on the blades 2-1 can be selected according to the shape and characteristics of food materials, for example, in the preparation of pearl milk tea, the minimum size of the through holes allows pearl grains to pass through, the through holes are one or more of rectangular holes, round holes and triangular holes, and the cross-sectional area of the through holes is 10-50 times of the average cross-sectional area of the pearl grains. Illustratively, the through hole is a rectangular hole, and the length of the short side of the rectangular hole is 20-30 mm; or the through hole is a circular hole, and the aperture of the circular hole is 10-30 mm; or the side length of the triangular hole is 20-40 mm.

In this embodiment, the pot body 1 has a heating function and is used for heating food materials in the pot. Specifically, the bottom of the pot body 1 is provided with bases 1-7, the bases 1-7 are provided with heaters, each heater comprises a heating element, a temperature control element and an overheating protection element, and the heaters are fixed on the lower end faces of the pot bottoms 1-2.

Adopt the food processor of the stirring pan of this embodiment, still include the host computer subassembly, the stirring pan is dismantled and is installed and use on the host computer subassembly, and the host computer subassembly is used for supporting the pan and drives stirring rake 2 and rotates, and the host computer subassembly includes casing, motor, controller, and the casing is used for supporting the pot body 1 and holds the thing, motor, controller set up in the casing, the output shaft of motor with stirring rake 2 links to each other, drives stirring rake 2 is at 1 internal rotations of pot. The base 1-7 of the pot body 1 is detachably arranged on the shell, the pot body 1 and the shell can be directly separated from each other, when the pot is used, the pot body 1 and the shell are stacked and arranged together to be used, and when the pot is not used, the pot body 1 and the shell are separated from each other to facilitate storage.

In a preferred embodiment of this embodiment, the top surface of the casing is provided with a positioning portion, the bottom surface of the base 1-7 is provided with a positioning matching portion, the positioning portion is matched with the positioning matching portion, the positioning portion can be installed in the positioning matching portion, and the transverse positioning of the pot body is realized through the matching of the positioning portion and the positioning matching portion. Specifically, the positioning part is an annular protrusion, the positioning matching part is a positioning groove, the positioning groove is 1-8 of the concave peripheral surface, the positioning groove is matched with the annular protrusion, and the annular protrusion can be seamlessly installed in the positioning groove and is matched with the positioning groove for transverse positioning. Preferably, the annular protrusion is provided around the periphery of the second clutch, and the first clutch 1-5 is located at the center of the positioning groove. Through the positioning part with the positioning matching part, the cup body and the shell can be conveniently and quickly installed, and the cup body can be prevented from moving transversely relative to the shell.

A rotating shaft 1-1 is arranged in the center of the pot bottom 1-2, the top end of the rotating shaft 1-1 is connected with the bottom end of the stirring paddle 2, and a first clutch 1-5 is arranged at the lower end of the rotating shaft 1-1; the top output shaft of the motor is provided with a second clutch, the second clutch is used for transmitting the rotary power of the motor to the stirring paddle 2, the second clutch is matched with the first clutch 1-5, and the motor drives the stirring paddle 2 to rotate through the second clutch and the first clutch 1-5. The bottom surface of the base 1-7 is provided with an upper coupler 1-9, and the upper coupler 1-9 is electrically connected with the heating element, the temperature control element and the overheating protection element in the base 1-7; the top of the shell is provided with a lower coupler, the lower coupler is electrically connected with the controller in the shell, and the lower coupler is matched with the upper couplers 1-9.

In the embodiment, the rotating shaft 1-1 is connected with the pan bottom 1-2 in a sealing and rotating manner, and the rest parts of the cavity of the pan body 1 except the top opening are sealed, so that water leakage at the joint of the pan bottom 1-2 and the rotating shaft is avoided. Specifically, a shaft seat penetrates through the center position of the pot bottom 1-2, a sealing ring is arranged between the shaft seat and the pot bottom 1-2, and a rotating shaft 1-1 capable of rotating is arranged at the center of the shaft seat in a sealing mode; the lower end surface of the pot bottom 1-2 is provided with a heating element which is positioned outside the shaft seat and arranged around the shaft seat; at least an inner annular sealing ring and an outer annular sealing ring are arranged between the pot bottom 1-2 and the base 1-7, wherein the inner sealing ring is positioned between the rotating shaft 1-1 and the heating element, and the outer sealing ring is positioned outside the heating element.

In a preferred embodiment of this embodiment, the upper coupler 1-9 is integrated with the base 1-7, or a sealing ring is disposed between the upper coupler 1-9 and the base 1-7, or a sealant is poured into a gap between the upper coupler 1-9 and the base 1-7.

In this embodiment, the outer side of the lower end of the shaft seat is provided with a thread, the outer side of the thread is screwed with a nut, and the nut locks and presses the edge of the central hole of the base 1-7. The bottom of the base 1-7 is provided with at least 2 screw holes, screws are arranged in the screw holes and used for locking the base 1-7 on the pot bottom 1-2, and sealing rubber plugs are arranged outside the screws.

In a preferred embodiment of this embodiment, the paddle 2 is detachably mounted on the upper end of the shaft 1-1. Specifically, the bottom of the stirring paddle 2 is provided with a connecting block 2-2, the connecting block 2-2 is connected with a power transmission structure arranged at the upper end of the rotating shaft 1-1, and the power transmission structure is a flat position, polygonal columnar structure or spline shaft structure. The paddle 2-1 and the connecting block 2-2 are of an integral structure, or the paddle 2-1 and the connecting block 2-2 are detachably connected, a connecting hole 2-3 is formed in the center of the lower end of the connecting block 2-2, the connecting hole 2-3 is matched with the power transmission structure, the paddle 2-1 and the connecting block 2-2 are detachably connected, the paddle 2-1 can be detached during cleaning, and the paddle 2-1 and the pot body 1 can be cleaned conveniently.

In this embodiment, the stirring speed of the motor-driven stirring paddle 2 is 5 to 300 rpm, preferably 10 to 50 rpm, and the stirring paddle 2 is intermittently stirred. Further preferably, the intermittent time is more than or equal to 0.5 second, the intermittent stirring frequency is more than or equal to 10 times, the stirring speed is 20 revolutions per minute, under the parameter setting, the sticky food materials can be prevented from being bonded, the phenomenon that the appearance of the sticky food materials is damaged due to too fast stirring can be avoided, the taste of the sticky food materials is better, the appearance is more attractive, and the color, the flavor and the taste are complete.

Compared with the prior art, the stirring pot that this embodiment provided adopts the stirring rake structure of innovation, and the effect is obvious, stirs the in-process, and food particles pass from the hollow out construction of stirring rake, can effectively stir the pot and eat the material, prevents to eat the material caking, stick with paste the end, spill over, reduces user stirring work load to promote user's use and experience. The paddle sets up a plurality of agitator frames, the agitator frame is through end to end connection, the mode of overlap joint and/or buckling by the pole that longitudinal section height is 1mm to 15mm, the size of agitator frame is to eating the several times of material particle size, the through-hole size is bigger, the pole that reduces the agitator frame is eaten the direct contact chance of material with the granule, avoid eating the appearance of material because of direct contact destroys the graininess, and the rounding off is made in the periphery turn department of agitator frame moreover, avoid lacerating the material of eating, promote to eat the pleasing to the eye degree of material. In addition, the width of the lower longitudinal section of the paddle is larger than that of the upper longitudinal section of the paddle, for example, the top end and the bottom end of the paddle are respectively provided with a first rectangular stirring frame and a second rectangular stirring frame, the distance from the second rectangular stirring frame to the bottom of the pot is less than or equal to 10mm, the lower end of the second rectangular stirring frame can abut against the bottom of the pot, and the food materials at the bottom of the pot are effectively prevented from being bonded and burnt due to insufficient stirring force; and the long limit length of first rectangle stirring frame is less than the long limit length of second rectangle stirring frame, and the outside minor face of second rectangle stirring frame contacts with the inner wall of the pot body 1, and this structure sets up the rectangle frame and the inner wall contact of the pot body 1 of only bottommost, can prevent that bottom viscidity from eating the material and bond together, is convenient for stir and scatters, and the area of contact of stirring rake and lateral wall is little moreover, reduces the resistance, noise abatement.

The above-mentioned embodiments, objects, technical solutions and advantages of the present application are described in further detail, it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present application, and are not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims (10)

1. The utility model provides a stirring pot, its characterized in that includes the pot body and the pivot is located the internal stirring rake of pot, the stirring rake is equipped with the through-hole, the actual area of the longitudinal section of stirring rake is S1, the area occupied of the longitudinal section of stirring rake is S2, half area of the longitudinal section of the pot body is S3, S1, S2, S3 have following relation:

0.01≤S1/S2≤0.3，0.5≤S2/S3<1。

2. the cookware according to claim 1, wherein said paddle has at least one blade.

3. A mixer pot according to claim 2, characterised in that the blades comprise one or more rods with a longitudinal section height of 1-15 mm, the rods being straight or curved rods.

4. A mixer pot according to claim 3, characterised in that the blades comprise one or more mixer frames formed by the bars in an end-to-end connection, overlapping and/or bending manner;

the stirring frame comprises one or more of a rectangular frame, a diamond frame, a triangular frame and an oval frame.

5. Cookware according to claim 4, wherein said rods are located in the same plane or in the same curved surface.

6. The stirring pot as claimed in claim 5, wherein the top end of the paddle is provided with a first rectangular stirring frame, and the bottom end of the paddle is provided with a second rectangular stirring frame;

the long sides of the first rectangular stirring frame and the second rectangular stirring frame are perpendicular to the longitudinal center line of the pot body, and the distance from the second rectangular stirring frame to the bottom of the pot is less than or equal to 10 mm.

7. The stirring pot as claimed in claim 6, wherein the length of the long side of the first rectangular stirring frame is less than the length of the long side of the second rectangular stirring frame, and the short side of the outer side of the second rectangular stirring frame is in contact with the inner wall of the pot body.

8. The stirring pot as claimed in claim 1, wherein the bottom center of the pot body is hermetically provided with a rotating shaft, and the stirring paddle is detachably mounted at the upper end of the rotating shaft.

9. The utility model provides a stirring pot, its characterized in that includes the pot body and locates stirring rake in the pot body, the stirring rake includes the paddle, be equipped with at least one through-hole on the paddle, the through-hole allows the graininess to eat the material and pass through.

10. The stirring pot as claimed in claim 9, wherein the blades comprise a flat plate or a curved plate, and the through holes are uniformly distributed;

the thickness of the plane plate or the curved plate is 1mm to 15 mm.

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