CN215295024U - Energy-gathering pot holder - Google Patents
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- CN215295024U CN215295024U CN202121601495.5U CN202121601495U CN215295024U CN 215295024 U CN215295024 U CN 215295024U CN 202121601495 U CN202121601495 U CN 202121601495U CN 215295024 U CN215295024 U CN 215295024U
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Abstract
The utility model provides an energy-gathering pot holder, which relates to the technical field of kitchen ware and comprises an annular pot holder body, wherein the pot holder body comprises an upper layer cover and a lower layer cover which are connected with each other, a cavity is formed between the upper layer cover and the lower layer cover, and a through hole is arranged on the pot holder body and is communicated with the cavity; through the arrangement of the through holes on the wok stand body, when the protective layer is processed, air in the cavity of the wok stand body can be communicated with the outside, so that the wok stand body is prevented from deforming due to the change of air pressure in the inner cavity in the heat treatment process, and the stability of the shape of the wok stand body in the protective layer forming process is ensured; and because the pot frame is not easy to deform, the protective layer can not crack and the like due to the deformation of the pot frame, the yield of the protective layer is improved, and the production qualification rate of the whole energy-gathering pot frame is improved.
Description
Technical Field
The utility model relates to a kitchen utensils and appliances field especially relates to an energy-gathering pot frame.
Background
The pot frame is an accessory which is usually required to be equipped on a gas stove and is mainly used for supporting cookers. At present, one common pot rack of a household gas stove is an energy-gathering stainless steel pot rack, an upper layer cover and a lower layer cover of the pot rack are combined into a closed volume, namely a cavity is formed, air is filled in the cavity, the bad heat transfer performance of the air is utilized, the effect of heat loss is reduced, and high energy efficiency can be guaranteed. When the energy-gathering stainless steel pot frame is manufactured, the surfaces of most pot frames are treated by adopting a ceramic paint process to form a ceramic protective layer for the attractiveness and good protection performance of the pot frame. However, in the actual processing process, the ceramic paint on the pot holder is usually required to be subjected to high-temperature heat treatment to be solidified, and air in the pot holder energy-gathering cavity can be heated and expanded in the high-temperature process, so that the pot holder is likely to deform, the formation of a surface protection layer of the pot holder can be influenced, and the production yield of the pot holder is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-gathering pot holder to solve the energy-gathering pot holder production qualification rate lower technical problem who exists among the prior art.
The utility model provides an energy-gathering pot frame, energy-gathering pot frame includes annular pot frame body, pot frame body includes interconnect's upper cover and lower floor's cover, the upper cover with vacuole formation between the lower floor's cover, be provided with the through-hole on the pot frame body, the through-hole with the cavity intercommunication.
Further, the through hole is provided on the lower layer cover.
Furthermore, the lower layer cover of the wok stand body is connected with a foot piece, and the through hole is formed in the surface, connected with the foot piece, of the lower layer cover.
Furthermore, the number of through-holes is a plurality of, and is a plurality of the through-holes follow the circumference of pot frame body sets up at interval in proper order.
Furthermore, the aperture of the through hole is 4-6 mm.
Further, the energy collecting pot frame further comprises a sealing piece, and the sealing piece is installed in the through hole and seals the through hole.
Further, the energy-gathering pot rack also comprises a protective layer, and the protective layer is coated on the surface of the pot rack body.
Further, the protective layer is an enamel layer.
Further, the thickness of the protective layer is 0.1-0.4 mm; and/or the linear expansion coefficient of the protective layer is 90 multiplied by 10-4/℃～105×10-4/℃。
Further, the pot holder body is made of stainless steel.
The utility model provides an energy-gathering pot holder, including annular pot holder body, pot holder body includes interconnect's upper cover and lower floor's cover, vacuole formation between upper cover and the lower floor's cover, is provided with the through-hole on the pot holder body, through-hole and cavity intercommunication. Through the arrangement of the through holes on the wok stand body, when the protective layer is processed, air in the cavity of the wok stand body can be communicated with the outside through the through holes, so that the wok stand body is prevented from deforming due to the change of air pressure in the inner cavity in the heat treatment process, and the stability of the shape of the wok stand body in the protective layer forming process is ensured; and because the pot frame is not easy to deform, the protective layer can not crack and other problems caused by the deformation of the pot frame, and the yield of the protective layer is improved. Therefore, the production qualification rate of the whole energy-gathering pot frame is improved, the consumables are saved, the rework rate of the defective products is reduced due to the reduction of the defective products, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a manufacturing process of an energy collecting pot holder according to an embodiment of the present invention;
fig. 2 is a schematic view of an energy collecting pot holder according to an embodiment of the present invention;
fig. 3 is a schematic view of the energy concentrating pan holder shown in fig. 2 inverted.
Icon: 100-lower layer cover; 101-circular arc-shaped surface; 102-a circular ring portion; 200-foot slices; 300-a through hole; 400-a seal; 500-upper shield.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 2 to 3, the present embodiment provides an energy-gathering pot holder, which includes an annular pot holder body, the pot holder body includes an upper cover 500 and a lower cover 100 that are connected to each other, a cavity is formed between the upper cover 500 and the lower cover 100, air is filled in the cavity, a through hole 300 is provided on the pot holder body, and the through hole 300 is communicated with the cavity.
Fig. 3 shows a schematic view of the concentrator bowl support as seen from above of the lower housing 100. The pot frame body is usually made of stainless steel, and the upper cover 500 and the lower cover 100 can be fixedly connected in a circumferential edge welding mode.
In the embodiment, the through hole 300 is formed in the wok stand body, so that when the protective layer is processed, air in the cavity of the wok stand body can be communicated with the outside through the through hole 300, the wok stand body is prevented from being deformed due to the change of air pressure in the inner cavity in the heat treatment process, and the shape stability of the wok stand body in the protective layer forming process is ensured; and because the pot frame is not easy to deform, the protective layer can not crack and other problems caused by the deformation of the pot frame, and the yield of the protective layer is improved. Therefore, the production qualification rate of the whole energy-gathering pot frame is improved, the consumables are saved, the rework rate of the defective products is reduced due to the reduction of the defective products, and the production efficiency is improved.
Further, the energy-gathering pot holder further comprises a protective layer, and the protective layer is coated on the surface of the pot holder body.
The protective layer may be a ceramic lacquer layer or an enamel layer. Specifically, as shown in fig. 1, the manufacturing method of the energy collecting pot holder of the present embodiment includes the following steps:
s00: processing a pot frame body;
s1 machining the through-hole 300: a through hole 300 communicated with a cavity between the two layers of covers of the pot frame body is formed in the pot frame body;
s2 coating protective paint: coating a protective coating on the surface of the wok stand body provided with the through hole 300;
s3 heat treatment: and carrying out heat treatment on the wok stand body coated with the protective coating to enable the protective coating to form a protective layer on the wok stand body so as to obtain the energy-gathering wok stand.
Specifically, the step of applying the protective coating at S2 may be to uniformly spray the protective coating on the surface of the wok stand body provided with the through-hole 300.
The surface of the wok stand body can be uniformly sprayed with the protective coating by using a coating gun and the like, the coating efficiency can be improved by adopting a spraying mode, and the protective coating is more easily adhered to the surface of the wok stand body due to the acting force of spraying and jetting.
It will be appreciated that the protective coating may be selected as appropriate. In the step of heat treatment of S3, the heat treatment process should be selected according to the properties of the protective coating. Specifically, the protective coating may be a ceramic paint of the prior art, and the protective layer formed in this case is a ceramic paint layer, and the heat treatment may be performed by heating simultaneously during the process of applying the protective coating. Although the ceramic paint layer can play the role of beautifying and protecting the wok stand body, the surface of the energy-collecting wok stand is processed by adopting a ceramic paint process, the surface ceramic paint is easy to change color due to oil stain or high temperature in the actual use process, even a certain ceramic paint falling phenomenon can occur, and moreover, the phenomenon that the surface ceramic paint falls off can also occur when the energy-collecting wok stand is cleaned, so that inconvenience is brought to a user, and the user experience feeling is poor. To solve this problem, in this embodiment, the protective coating is specifically an enamel raw material mixture, the protective layer formed at this time is an enamel layer, and the heat treatment of S3 includes the specific steps of: and (3) sintering the pot frame body coated with the protective coating at high temperature of 750-800 ℃ for 15-20 minutes. Specifically, the sintering temperature may be 750 degrees, 760 degrees, 770 degrees, 780 degrees, 790 degrees or 800 degrees, and the sintering time may be 15 minutes, 16 minutes, 17 minutes, 18 minutes, 19 minutes or 20 minutes. In this embodiment, the sintering temperature is preferably 780 ℃ and the sintering time is preferably 15 minutes. The pot frame body coated with the protective coating can be placed into a high-temperature furnace for sintering.
In the embodiment, the enamel layer is formed by adopting the enamel raw material mixture and is used as the protective layer of the energy-gathering pot holder, and the combination of high-temperature sintering ensures that the formed enamel layer has the characteristics similar to real porcelain, has the advantages of acid and alkali resistance, strong adhesive force, high hardness, wear resistance, easy cleaning and the like of the porcelain, can not be easily discolored under oil contamination or high temperature, and the surface enamel layer is not easy to fall off; in addition, the cleaning is convenient, and the enamel layer is not easy to be damaged in the cleaning process, so that the problem of falling off of the protective layer is avoided; furthermore, the enamel has poor heat conductivity, and the heat transfer performance of the energy-gathering pot frame can be reduced, so that the efficiency of the cooker is improved.
It should be noted that, the material of the pot holder body in this embodiment may also be made of other high temperature resistant hard materials, and is not limited to the stainless steel material given in this embodiment.
In a preferred mode, the through-hole 300 is provided on the lower cover 100. As shown in fig. 3, the lower cover 100 of the pot holder body of the present embodiment is connected to the leg piece 200, and the through hole 300 is provided on the surface of the lower cover 100 connected to the leg piece 200. Correspondingly, in the manufacturing method of the energy collecting pot holder of the embodiment, the step of processing the through hole 300 by the S1 is specifically: the lower cover 100 of the pot frame body is provided with a through hole 300.
As shown in fig. 2 and 3, the lower cover 100 of the concentrator body of the present embodiment refers to a cover body disposed away from the cooker, which faces the surface of the cooktop. The through-hole 300 communicating with the cavity of the wok stand body may be formed by drilling on the lower cover 100 of the wok stand body. The through hole 300 is arranged on the lower layer cover 100 of the wok stand body, when the energy-gathering wok stand is used, the through hole 300 is not exposed in a visual field range, and the attractiveness of the energy-gathering wok stand is not affected.
Further, in the present embodiment, a through hole 300 is formed in the surface of the lower cover 100 of the pot holder body on which the leg piece 200 is provided.
Referring to fig. 3, a schematic diagram of the energy collecting pot holder placed approximately upside down is shown, the energy collecting pot holder comprises a circular arc-shaped surface 101 extending in an arc shape along the up-down direction and a circular ring part 102 arranged in the middle of the circular arc-shaped surface 101, the shape of the lower layer cover 100 is consistent with that of the energy collecting pot holder, the foot piece 200 is used for supporting the energy collecting pot holder and is arranged on the circular arc-shaped surface 101 of the lower layer cover 100, and the through hole 300 is also arranged on the circular arc-shaped surface 101.
It can be understood that the through hole 300 is disposed on the surface of the lower cover 100 where the leg piece 200 is disposed, which does not affect the appearance, and is located on the radial outer side part of the energy collecting pot holder, which is convenient for processing.
Further, with continued reference to fig. 3, the through hole 300 is formed at the inner side of the leg piece 200, i.e., the position of the leg piece 200 near the center of the pot rack body. The advantage of setting up like this is, can shelter from through-hole 300 through foot piece 200, further avoids through-hole 300 to expose, improves the aesthetic property of energy-gathering pot frame.
The number of the through holes 300 may be one or more. In this embodiment, the number of the through holes 300 is plural, and the plurality of through holes 300 are sequentially arranged at intervals along the circumferential direction of the wok stand body. The specific step of processing the through hole 300 by S1 includes: a plurality of through holes 300 are sequentially formed along the circumferential direction of the pot holder body.
It can be understood that the plurality of through holes 300 are arranged along the circumferential direction, which is beneficial to quickly and timely discharging air in the cavity of the wok stand body, and can avoid the problem that the wok stand body is deformed because the air cannot be timely discharged when the air is rapidly expanded. The number of the through holes 300 can be two, three, four or more, and the through holes 300 can be arranged at equal intervals or unequal intervals along the circumferential direction of the wok stand body. Referring to fig. 3, in the present embodiment, the number of the through holes 300 is four, four through holes 300 are disposed at equal intervals along the circumferential direction of the wok stand body, and the four through holes 300 are disposed on the inner sides of the four leg pieces 200 in a one-to-one correspondence manner.
In this embodiment, the through hole 300 should be sealed in the subsequent use process to maintain the sealing property of the cavity of the energy collecting pot holder, thereby ensuring the heat insulation property of the energy collecting pot holder. Specifically, the through hole 300 may be sealed during use, or the through hole 300 may be sealed during processing. In this embodiment, the concentrator frame further comprises a sealing member 400, and the sealing member 400 is installed in the through hole 300 and seals the through hole 300. The through hole 300 is sealed in the machining process, and specifically, the manufacturing method of the energy collecting pot holder of the embodiment further comprises the following steps:
s4 plugging through-hole 300: and (3) plugging the through hole 300 on the energy collecting pot frame after the protective layer is formed. Specifically, the sealing member 400 may be inserted into the through hole 300 of the collector pan holder forming the protective layer, so that the sealing member 400 seals the through hole 300.
It is understood that the sealing member 400 may be detachably installed, and the sealing member 400 may be a high temperature-resistant silicon rubber or rubber plug so as to seal the sealing member 400 in the through hole 300 by means of interference fit.
In the present embodiment, the aperture of the through-hole 300 is 4 mm to 6 mm. Specifically, the size of the through holes 300 may be 4 mm, 5 mm, or 6 mm, and may be the same or different.
In this embodiment, the aperture of the through hole 300 is determined to be 4 mm to 6 mm by combining the manner of sealing the through hole 300 with the sealing member 400 such as silicone rubber or rubber. It can be understood that when the diameter of the through-hole 300 is less than 4 mm, it is inconvenient to exhaust air in time, and when the size of the through-hole 300 is greater than 6 mm, it is easy to affect the sealability of the sealing member 400 to the through-hole 300.
Further, in an optional embodiment, the protective layer is an enamel layer, and the thickness of the protective layer is 0.1 mm to 0.4 mm; and/or the protective layer has a linear expansion coefficient of 90 x 10-4/℃～105×10-4/℃。
The method for manufacturing the energy collecting pot holder of the embodiment further comprises the following steps before the step of processing the through hole 300:
s01 roughening treatment: and carrying out roughening treatment on the surface of the pot frame body. Specifically, the step of S01 roughening treatment includes: and spraying the emery to the surface of the wok stand body to roughen the surface of the wok stand body.
Wherein, the main component of the carborundum is carborundum. When the material of the pot frame body is stainless steel, 80-160 meshes (specifically, one or more of 80 meshes, 100 meshes, 120 meshes, 140 meshes and 160 meshes) of carborundum can be sprayed in the roughening treatment process, so that the surface of the pot frame body can meet the requirement of coating roughness of a proper enamel raw material mixture.
It can be understood that the step of roughening the through hole 300 in S01 is performed before the step of processing the through hole 300 in S1, so that the method can prevent the generated debris from entering the through hole 300 during roughening, save the step of removing the impurities from the through hole 300, ensure the cleanliness of the through hole 300 after the through hole 300 is processed, and facilitate the improvement of the production efficiency. Meanwhile, the roughening treatment can improve the adhesion capability of the protective coating on the surface of the wok stand body, so that the protective coating can form a certain thickness on the surface of the wok stand body, and the thickness of a subsequently formed protective layer can meet the requirement. In this embodiment, the thickness of the protective layer in the form of an enamel layer may be between 0.1 mm and 0.4 mm; the linear expansion coefficient of the protective layer is 90 x 10-4/℃～105×10-4/℃。
The manufacturing method of the energy collecting pot rack of the embodiment further comprises the following steps: the preparation of the protective coating is that the enamel raw materials are mixed according to the installation proportion to form a mixture. This step may be performed before the step of processing the through-hole 300 at S1, or after the step of processing the through-hole 300 at S1, as long as it is performed before the step of applying the protective coating at S2. Several enamel raw material mixture ratios are given in this example.
In the first enamel raw material mixture ratio, the step of preparing the protective coating comprises the following steps: mixing SiO2(silica), B2O3(boron trioxide), MgO (magnesium oxide), OF2(oxygen difluoride), TiO2(titanium dioxide), K2O (potassium oxide) and Na2O (sodium oxide) and P2O5(phosphorus pentoxide) in a certain proportion to form a protective coating. Specifically, mixing enamel raw materialsThe mass percentage ratio of the materials is as follows: 50 to 53 mass percent of SiO29 to 11 mass percent of B2O3MgO in an amount OF 2 to 4 mass%, OF in an amount OF 4 to 5 mass%214 to 16 mass percent of TiO25 to 6 mass percent of K2O, 4-7% of Na by mass percentage2O and 5 to 7 mass percent of P2O5。
In the second enamel raw material mixture ratio, the step of preparing the protective coating comprises the following steps: mixing SiO2、B2O3、MgO、OF2、TiO2CoO (cobalt oxide), K2O、Na2O and P2O5Mixing the components in proportion to form the protective coating. Specifically, the enamel raw material mixture comprises the following components in percentage by mass: 50 to 53 mass percent of SiO29 to 11 mass percent of B2O3MgO in an amount OF 2 to 4 mass%, OF in an amount OF 4 to 5 mass%25 to 8 mass percent of TiO26 to 9 percent of CoO and 5 to 6 percent of K2O, 4-7% of Na by mass percentage2O and 5 to 7 mass percent of P2O5。
In the third enamel raw material mixture ratio, the step of preparing the protective coating comprises the following steps: mixing SiO2、B2O3、MgO、OF2、TiO2、Cr2O3(chromium oxide, also known as chromium sesquioxide), K2O、Na2O and P2O5Mixing the components in proportion to form the protective coating. Specifically, the enamel raw material mixture comprises the following components in percentage by mass: 50 to 53 mass percent of SiO29 to 11 mass percent of B2O3MgO in an amount OF 2 to 4 mass%, OF in an amount OF 4 to 5 mass%23 to 6 mass percent of TiO28 to 11 mass percent of Cr2O35 to 6 mass percent of K2O, 4-7% of Na by mass percentage2O and 5 to 7 mass percent of P2O5。
In the fourth enamel raw material mixture ratio, the step of preparing the protective coating comprises the following steps: mixing SiO2、B2O3、MgO、OF2、TiO2CuO (copper oxide), MnO2(manganese dioxide) K2O、Na2O and P2O5Mixing the raw materials in proportion to form a protective coating; specifically, the enamel raw material mixture comprises the following components in percentage by mass: 50 to 53 mass percent of SiO29 to 11 mass percent of B2O3MgO in an amount OF 2 to 4 mass%, OF in an amount OF 4 to 5 mass%28.5 to 10.5 mass percent of TiO2GuO percent by mass of 1.5 percent and MnO percent by mass of 2 to 4 percent25 to 6 mass percent of K2O, 4-7% of Na by mass percentage2O and 5 to 7 mass percent of P2O5。
It should be noted that the second enamel raw material mixture ratio can be understood as adding CoO (cobalt oxide) on the basis of the first enamel raw material mixture ratio, and TiO in the raw material2The mass percent of the CoO is changed to 5-8%, the mass percent of the CoO is about 6-9%, and the mass percent of other raw materials is not changed. The third enamel raw material mixture ratio can be understood as adding Cr on the basis of the first enamel raw material mixture ratio2O3(chromium oxide, also called chromium sesquioxide), and TiO in the raw material23-6% of Cr2O3The mass percent of the raw materials is about 8 to 11 percent, and the mass percent of other raw materials is unchanged. The fourth enamel raw material mixture ratio can be understood as CuO (copper oxide) and MnO based on the first enamel raw material mixture ratio2(manganese dioxide) and TiO in the raw material28.5-10.5 wt%, CuO 1.5 wt%, and MnO2The mass percent of the raw materials is 2-4%, and the mass percent of other raw materials is unchanged.
It can be understood that the proportion of the enamel raw material mixture can be combined with the processing technology of the embodiment to finally form the stainless steel energy-gathering pot rack with the surface subjected to enamel treatment, and the raw material of the enamel layer is an inorganic enamel raw material meeting the requirement of the edible standard.
The upper cover 500 and the lower cover 100 of the existing stainless steel energy-gathering pot rack are usually in a sealed state through a welding processing technology, in the process of carrying out an enamel technology on the stainless steel energy-gathering pot rack, the middle layer (namely a cavity) is in a sealed state, and the air inside is heated to expand and cannot be discharged outwards, so that the stainless steel pot rack body is easily deformed by heating, and the porcelain explosion phenomenon is easily caused in the enamel process. The energy-collecting pot rack of the embodiment ensures the exhaust in the enamel process by forming the plurality of through holes 300 at the bottom of the pot rack body, and finally, the energy-collecting pot rack is sealed by adding the sealing element 400, so that the energy efficiency is ensured; the through hole 300 is arranged at the bottom of the wok stand body and is positioned near the surface of the foot piece 200, so that the processing is convenient, the effect of the energy-gathering wok stand is not influenced, and the appearance is not damaged. The raw materials of the enamel layer of the energy-gathering pot holder are inorganic enamel raw materials meeting the requirements of edible standards, and due to the combination of high-temperature sintering, the formed enamel layer has the characteristics similar to real porcelain, and has the advantages of acid and alkali resistance, strong adhesive force, high hardness, wear resistance, easiness in cleaning and the like, so that the enamel layer is not easy to discolor at high temperature, the enamel layer on the surface is not easy to fall off, and the problem of difficulty in cleaning is solved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an energy-gathering pot frame, is including annular pot frame body, pot frame body includes interconnect's upper cover (500) and lower floor's cover (100), upper cover (500) with form the cavity between lower floor's cover (100), its characterized in that, be provided with through-hole (300) on the pot frame body, through-hole (300) with the cavity intercommunication.
2. The concentrator bowl rack according to claim 1, wherein the through hole (300) is provided on the lower housing (100).
3. The energy collecting pot holder according to claim 2, characterized in that a foot piece (200) is connected to the lower cover (100) of the pot holder body, and the through hole (300) is arranged on the surface of the lower cover (100) connected with the foot piece (200).
4. The energy collecting pot holder according to claim 1, wherein the number of the through holes (300) is multiple, and the through holes (300) are sequentially arranged at intervals along the circumferential direction of the pot holder body.
5. The concentrator bowl holder according to claim 1, wherein the aperture of the through hole (300) is 4 mm to 6 mm.
6. The concentrator pan holder according to claim 1, further comprising a seal (400), the seal (400) being mounted within the through hole (300) and sealing the through hole (300).
7. The energy concentrating wok stand according to any one of claims 1-6, further comprising a protective layer coated on a surface of the wok stand body.
8. The concentrator pot holder according to claim 7, wherein the protective layer is an enamel layer.
9. The concentrator bowl holder of claim 8, wherein the protective layer has a thickness of 0.1 mm to 0.4 mm; and/or the linear expansion system of the protective layerNumber 90X 10-4/℃～105×10-4/℃。
10. The energy collecting pot holder according to any one of claims 1-6, wherein the pot holder body is made of stainless steel.
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| CN202121601495.5U CN215295024U (en) | 2021-07-14 | 2021-07-14 | Energy-gathering pot holder |
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| CN202121601495.5U CN215295024U (en) | 2021-07-14 | 2021-07-14 | Energy-gathering pot holder |
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| CN215295024U true CN215295024U (en) | 2021-12-24 |
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