Special-shaped stainless steel vacuum heat preservation barrel

Abstract

The utility model discloses a special-shaped stainless steel vacuum heat preservation barrel which comprises a barrel cover and a barrel body, the barrel cover and the barrel body are both made of stainless steel materials, the barrel cover and the barrel body are matched to form a special-shaped square barrel structure, the barrel cover and the barrel body are each provided with a vacuum layer, a front clamping piece is arranged on the front side of the barrel body, a rotating clamping piece is arranged on the rear side of the barrel body, and a fastening silica gel strip is arranged on the barrel cover. And the fastening silica gel strip is matched with the front clamping piece and the rotary clamping piece. By means of the design, the special-shaped stainless steel vacuum heat preservation barrel is safer, better in space utilization and more convenient to use, the barrel cover and the barrel body are each provided with a vacuum layer, and the heat preservation performance is high.

Description

Technical Field

[0001] The utility model relates to the technical field of heat preservation barrels, in particular to a special-shaped stainless steel vacuum heat preservation barrel. Background Art

[0002] With the acceleration of the modern life rhythm, people's demand for food heat preservation and freshness preservation is increasing day by day. As a portable heat preservation container, heat preservation barrels are widely used in families, the catering industry and outdoor activities. The existing heat preservation barrels on the market mainly have the following problems:

[0003] Material: Some heat preservation barrels are designed with all plastics. Although they are light, they have problems of poor heat resistance and chemical corrosion resistance. They are not suitable for storing high-temperature foods for a long time and may release harmful substances, affecting food safety.

[0004] Space utilization: Due to the shape limitation of traditional round heat preservation barrels, the space utilization rate is not high when storing food and transporting products.

[0005] Structural connection: Most of the existing heat preservation barrels adopt threaded connection or hard hinge connection. These connection methods have single functions and low applicability.

[0006] Therefore, improvements need to be made to the above problems. Summary of the Invention

[0007] Aiming at the defects in the prior art such as material, space utilization, and structural connection, the utility model provides a new special-shaped stainless steel vacuum heat preservation barrel.

[0008] In order to solve the above technical problems, the utility model is realized through the following technical solutions:

[0009] A special-shaped stainless steel vacuum heat preservation barrel, including a barrel cover and a barrel body. Both the barrel cover and the barrel body are made of stainless steel. The barrel cover and the barrel body cooperate to form a special-shaped square barrel structure. Both the barrel cover and the barrel body are provided with a vacuum layer. A front clamping part is arranged on the front side of the barrel body, a rotating clamping part is arranged on the rear side of the barrel body, and a fastening silica gel strip is arranged on the barrel cover. The fastening silica gel strip cooperates with the front clamping part and the rotating clamping part.

[0010] Made of all-stainless-steel material, it improves the heat resistance and chemical corrosion resistance of the insulated bucket, making it suitable for storing high-temperature foods for a long time. At the same time, it avoids the harmful substances that may be released by plastic materials, ensuring food safety. The special-shaped square bucket structure design improves the space utilization rate during storage and transportation. Compared with the traditional round insulated bucket, it uses space more effectively. By setting the front clamping part and the rotating clamping part, and cooperating with the fastening silicone strip, it combines the connection advantages of the thread and the hinge, realizing the rotating opening of the insulated bucket, quick disassembly and assembly, and stable fixation. The bucket lid can be separated or rotated open, enhancing the applicability and convenience of the insulated bucket. The front clamping part is used for clamping connection with the fastening silicone strip, and the rotating clamping part is used for rotating connection with the fastening silicone strip and the fastening silicone strip can be quickly disassembled and assembled. Both the bucket lid and the bucket body are provided with vacuum layers, effectively preventing heat loss and providing a more excellent heat preservation effect.

[0011] Through the above design, the utility model realizes a special-shaped stainless-steel vacuum insulated bucket that is safer, has better space utilization, and is more convenient to use. Both the bucket lid and the bucket body are provided with vacuum layers, and the heat preservation performance is strong.

[0012] As a preference, for the special-shaped stainless-steel vacuum insulated bucket described above, a fastening groove is provided on the bucket lid, and a fastening strip is arranged in the fastening groove, and the fastening silicone strip is in clamping connection with the fastening strip.

[0013] The fastening groove is used to provide the installation space for the fastening strip and the fastening silicone strip. The fastening strip is used for clamping connection with the fastening silicone strip, taking into account the structural stability and the convenience of disassembly and assembly.

[0014] As a preference, for the special-shaped stainless-steel vacuum insulated bucket described above, the fastening strip is provided with a front clamping part and a rear clamping part, the fastening silicone strip is provided with a front clamping hole and a rear clamping hole, the front clamping hole is in clamping connection with the front clamping part, and the rear clamping hole is in clamping connection with the rear clamping part.

[0015] The front clamping part and the rear clamping part are used for clamping connection with the front clamping hole and the rear clamping hole to improve the structural stability.

[0016] As a preference, for the special-shaped stainless-steel vacuum insulated bucket described above, both the front clamping part and the rear clamping part are of a similar L-shaped structure, and the front clamping part is provided with a curled edge structure.

[0017] The similar L-shaped structure has high production efficiency, low cost, and stable connection structure. The curled edge structure improves the safety. Cooperating with the installation sequence, it avoids scratches when installing the fastening silicone strip and also plays a guiding role, improving the installation accuracy and speed.

[0018] As a preference, for the special-shaped stainless-steel vacuum insulated bucket described above, the fastening silicone strip is provided with a fastening strengthening part.

[0019] The fastening and strengthening part improves the connection strength between the fastening silicone strip and the fastening card strip, and improves the structural stability.

[0020] Preferably, for the above-mentioned special-shaped stainless steel vacuum insulation bucket, a fixing piece is arranged on the front side of the fastening silicone strip, and the fixing piece is engaged with the front clamping part.

[0021] The fixing piece is used for engaging with the front clamping part to improve the structural stability.

[0022] Preferably, for the above-mentioned special-shaped stainless steel vacuum insulation bucket, a square hole is arranged in the fixing piece, the front clamping part is of an L-shaped structure, the front clamping part is provided with a front protruding part, and the square hole is matched with the front protruding part.

[0023] The L-shaped structure has high production efficiency, low cost, and stable connection structure. The square hole is used for connecting the front protruding part to improve the structural stability.

[0024] Preferably, for the above-mentioned special-shaped stainless steel vacuum insulation bucket, the front protruding part is provided with an anti-slip column structure.

[0025] The anti-slip column structure is used to prevent the fixing piece from accidentally sliding open and causing the bucket lid to open, improving the safety and structural stability.

[0026] Preferably, for the above-mentioned special-shaped stainless steel vacuum insulation bucket, an extension part is arranged on the front side of the fastening silicone strip, and the extension part is provided with an anti-slip groove.

[0027] The extension part is used to improve the convenience and facilitate the user to operate the bucket lid. The anti-slip groove is used to prevent the user's hand from accidentally slipping when opening and closing the bucket lid, and can hold the user's fingers to improve safety.

[0028] Preferably, for the above-mentioned special-shaped stainless steel vacuum insulation bucket, symmetric rotation holes are arranged on the rear side of the fastening silicone strip, the rotation clamping part is of a square-like structure, the rotation clamping part is provided with a breakable shaft structure, and the breakable shaft structure is engaged with the rotation holes.

[0029] The symmetric rotation holes are used for engaging with the breakable shaft structure to realize the rotation function and the quick disassembly and assembly function. The square-like structure has high production efficiency, low cost, and stable connection structure. The break of the breakable shaft structure is used to realize the quick disassembly and assembly of the fastening silicone strip, and can be used as a shaft to realize the rotation function after being installed.

[0030] Preferably, for the above-mentioned special-shaped stainless steel vacuum insulation bucket, a disassembly and assembly groove is arranged between the rotation holes.

[0031] The disassembly and assembly groove plays a role of deformation avoidance during disassembly and assembly, improves the convenience during the disassembly and assembly of the fastening silicone strip, and improves the disassembly and assembly speed between the rotation holes and the breakable shaft structure.

[0032] Preferably, in the above-mentioned special-shaped stainless steel vacuum insulation bucket, the fastening strip is welded to the fastening groove.

[0033] Welding provides a firm fixing method, making the connection between the fastening strip and the fastening groove more stable and not easily loosening. The sealed connection achieved by welding reduces possible leakage points, enhances the sealing performance of the insulation bucket, and thus improves the heat preservation effect. Compared with other connection methods such as screws or buckles, welding can better withstand the wear caused by long-term repeated use and extends the service life of the product.

[0034] Preferably, in the above-mentioned special-shaped stainless steel vacuum insulation bucket, the bucket lid is provided with a silica gel sealing ring.

[0035] The silica gel sealing ring is used to improve the sealing performance, thereby improving the heat preservation effect of the insulation bucket.

[0036] Preferably, the production process of the above-mentioned special-shaped stainless steel vacuum insulation bucket includes the following steps:

[0037] S1: Take a drawn inner liner, perform hydroforming, laser cutting, pre-returning, flattening, trimming, punching, cleaning and drying, knocking concave points, and dotting getter on the drawn inner liner to obtain the inner liner of the bucket body. Then take a drawn outer shell, perform hydroforming, laser cutting, sizing the mouth and bottom, flattening the mouth, cleaning and drying, knocking concave points on the drawn outer shell to obtain the outer shell of the bucket body. Place the inner liner of the bucket body into the outer shell of the bucket body, and then perform spot welding, full welding, vacuum pumping, grinding the mouth, electrolysis, making the mouth, sanding, wiping the bottom, pressing the mouth with nylon, and cup body nylon. Finally, weld the front card and weld the rotating card to obtain the bucket body;

[0038] S2: Take a drawn inner lid, perform laser cutting and cleaning and drying on the drawn inner lid to obtain the inner lid of the bucket lid. Then take a drawn outer lid, perform laser cutting, cleaning and drying, and dotting getter on the drawn outer lid to obtain the outer lid of the bucket lid. Place the outer lid of the bucket lid on the inner lid of the bucket lid, and then perform spot welding, full welding, sanding the weld, vacuum pumping, electrolysis, and polishing. Then take the fastening strip, silica gel sealing ring, and fastening silica gel strip, and then weld the fastening strip, polish the weld, install the silica gel sealing ring, and install the fastening silica gel strip to obtain the bucket lid;

[0039] S3: Engage the front and rear sides of the fastening silica gel strip with the front card and the rotating card to connect the bucket lid and the bucket body, and obtain the special-shaped stainless steel vacuum insulation bucket.

[0040] Step S1 is used for manufacturing the barrel body. Through hydroforming and laser cutting head processes, the material strength and uniformity of the stretched inner liner and outer shell are ensured, enhancing the overall structural stability of the insulated bucket. The laser cutting head technology provides high-precision cutting, ensuring the accuracy of the internal and external shapes of the bucket and reducing the difficulty of subsequent processing. Cleaning and drying can effectively remove impurities generated during the production process, ensuring the cleanliness of the inner liner and outer shell. Through the vacuum pumping process, heat conduction is reduced, improving the heat preservation effect. Spot welding and full welding processes ensure the firm connection between the inner liner and the outer shell, enhancing the durability of the overall structure and preventing air leakage and liquid leakage. Through the processes of sizing the mouth and bottom and flattening the mouth, the production process is simplified, production time is reduced, and production efficiency is improved. The design of the pre-welding clamp and the rotating clamp enhances the connection stability between the bucket lid and the barrel body, facilitating user operation and ensuring safety in use.

[0041] Step S2 is used for manufacturing the bucket lid. Through the laser cutting head process, the precise forming of the inner lid and outer lid of the bucket lid is ensured, improving the assembly accuracy and sealing performance. Cleaning and drying ensure the cleanliness of the internal and external parts of the bucket lid. The getter pumping process helps to create a good vacuum environment, reducing heat transfer and improving the heat preservation effect. Through spot welding and full welding processes, the firm connection between the inner and outer lids of the bucket lid is ensured, enhancing the stability and durability of the overall structure. The bead welding and polishing processes improve the texture of the bucket lid, removing welding marks and enhancing the product user experience. The electrolysis process enhances the corrosion resistance of the bucket lid material, extending the product service life.

[0042] Step S3 is used for assembling the special-shaped stainless steel vacuum insulated bucket. By connecting the fastening silicone strip with the pre-welding clamp and the rotating clamp in a snap-fit manner, the assembly process is simplified and production efficiency is improved. The snap-fit design enhances the connection stability between the bucket lid and the barrel body, ensuring the reliability of the insulated bucket during use. The snap-fit mechanism facilitates users to quickly open and close the bucket lid, improving the convenience of use. The snap-fit connection avoids the use of additional adhesives or screws, reducing material waste and environmental pollution. The design of the snap-fit connection reduces mechanical stress points, extending the service life of the insulated bucket. The snap-fit design makes the disassembly and maintenance of the bucket lid and the barrel body more convenient, facilitating cleaning and inspection.

[0043] Steps S1 - S3, through an optimized production process flow, including steps such as hydroforming, laser cutting head, cleaning and drying, spot welding, and full welding, reduce production time and costs and improve the overall production efficiency. The use of technologies such as laser welding and spot welding ensures the firm connection between the components of the insulated bucket, improving the durability and service life of the product. Through measures such as vacuum pumping and using a vacuum layer, the influence of external temperature is effectively isolated, significantly improving the heat preservation effect of the insulated bucket. Steps such as cleaning and drying ensure the cleanliness and hygiene of the insulated bucket, avoiding food contamination and ensuring food safety. The snap-fit design and the easy-to-operate bucket lid connection method make it more convenient for users to use the insulated bucket, enhancing the user experience.

[0044] Preferably, in the production process of the special-shaped stainless steel vacuum insulation bucket described above, in step S1, temperature measurement is also included between vacuum pumping and grinding the mouth, and temperature measurement is also included after welding the rotating fastener. In step S2, temperature measurement is also included between vacuum pumping and electrolysis, and temperature measurement is also included before welding the fastening strip.

[0045] Temperature measurement is used to judge the vacuum performance. By using the principle of inner heating and heat transfer, the influence of the production process on the vacuum is discriminated.

[0046] Preferably, in the production process of the special-shaped stainless steel vacuum insulation bucket described above, in step S1, full inspection is also included between cleaning and drying and denting, full inspection is also included between flat-mouthing and cleaning and drying, full inspection is also included between electrolysis and making the mouth, and full inspection is also included between the cup body nylon and the pre-welding fastener.

[0047] By performing full inspection between key production steps, defects or deviations in the production process can be discovered and corrected in a timely manner, ensuring the high quality of the final product. As part of the production process, full inspection helps to discover problems in the production process in a timely manner, promoting the continuous optimization of the production process. By discovering problems during the production stage, the need for later rework can be reduced, and the rework cost can be lowered.

[0048] Preferably, in the production process of the special-shaped stainless steel vacuum insulation bucket described above, all welding is laser welding.

[0049] Laser welding can achieve a high-precision welding track, ensuring the accuracy of the welding position and improving the welding quality. Laser welding has a high connection strength, improving the structural stability of the insulation bucket. Laser welding has good sealing performance, effectively preventing gas leakage. Laser welding has a small heat-affected zone, reducing the thermal damage to the material and maintaining the original properties of the material. Laser welding has a fast speed and high automation, which can significantly improve production efficiency. Laser welding has a high weld quality, reducing the workload of subsequent grinding and trimming, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 is the structural schematic diagram of the present utility model Figure 1 ;

[0051] Figure 2 is the structural schematic diagram of the present utility model Figure 2 ;

[0052] Figure 3 is the cross-sectional schematic diagram of the present utility model;

[0053] Figure 4 is the partial explosion schematic diagram of the present utility model;

[0054] Figure 5 is Figure 4Enlarged view of part A;

[0055] Figure 6 is Figure 4 Enlarged view of part B;

[0056] Figure 7 Schematic structural view of the fastening silicone strip in the present utility model;

[0057] Figure 8 Schematic structural view of the stretching inner liner in the present utility model;

[0058] Figure 9 Schematic structural view of the barrel inner liner in the present utility model;

[0059] Figure 10 Schematic structural view of the stretching outer shell in the present utility model;

[0060] Figure 11 Schematic structural view of the barrel outer shell in the present utility model;

[0061] Figure 12 Schematic structural view of the stretching inner cover in the present utility model;

[0062] Figure 13 Schematic structural view of the barrel cover inner cover in the present utility model;

[0063] Figure 14 Schematic structural view of the stretching outer cover in the present utility model;

[0064] Figure 15 Schematic structural view of the barrel cover outer cover in the present utility model;

[0065] Figure 16 Schematic diagram of the production process of the barrel body in the present utility model;

[0066] Figure 17 Schematic diagram of the production process of the barrel cover in the present utility model. Detailed implementation manners

[0067] The present utility model will be further described in detail below in conjunction with the appended Figure 1-17 drawings and specific implementation manners, but they do not limit the present utility model:

[0068] Embodiment 1

[0069] A special-shaped stainless steel vacuum insulation bucket, comprising a bucket lid 1 and a bucket body 2. Both the bucket lid 1 and the bucket body 2 are made of stainless steel. The bucket lid 1 and the bucket body 2 cooperate to form a special-shaped square bucket structure. Both the bucket lid 1 and the bucket body 2 are provided with a vacuum layer 3. A front clamping part 21 is arranged on the front side of the bucket body 2, and a rotating clamping part 22 is arranged on the rear side of the bucket body 2. A fastening silica gel strip 11 is arranged on the bucket lid 1, and the fastening silica gel strip 11 cooperates with the front clamping part 21 and the rotating clamping part 22.

[0070] Preferably, a fastening groove 12 is arranged on the bucket lid 1, and a fastening clamping strip 13 is arranged in the fastening groove 12. The fastening silica gel strip 11 is snap-connected with the fastening clamping strip 13.

[0071] Preferably, the fastening clamping strip 13 is provided with a front clamping part 131 and a rear clamping part 132. The fastening silica gel strip 11 is provided with a front clamping hole 111 and a rear clamping hole 112. The front clamping hole 111 is snap-connected with the front clamping part 131, and the rear clamping hole 112 is snap-connected with the rear clamping part 132.

[0072] Preferably, both the front clamping part 131 and the rear clamping part 132 are of a similar L-shaped structure, and the front clamping part 131 is provided with a curled edge structure 133.

[0073] Preferably, the fastening silica gel strip 11 is provided with a fastening strengthening part 113.

[0074] Preferably, a fixing piece 114 is arranged on the front side of the fastening silica gel strip 11, and the fixing piece 114 is snap-connected with the front clamping part 21.

[0075] Preferably, a square hole 115 is arranged in the fixing piece 114. The front clamping part 21 is of a similar L-shaped structure, and the front clamping part 21 is provided with a front protruding part 211. The square hole 115 cooperates with the front protruding part 211.

[0076] Preferably, the front protruding part 211 is provided with an anti-slip column structure 212.

[0077] Preferably, an extension part 116 is arranged on the front side of the fastening silica gel strip 11, and the extension part 116 is provided with an anti-slip groove 117.

[0078] Preferably, symmetrical rotating holes 118 are arranged on the rear side of the fastening silica gel strip 11. The rotating clamping part 22 is of a similar square structure, and the rotating clamping part 22 is provided with a broken shaft structure 221. The broken shaft structure 221 is snap-connected with the rotating holes 118.

[0079] Preferably, a disassembly and assembly groove 119 is arranged between the rotating holes 118.

[0080] Preferably, the fastening strip 13 is welded to the fastening groove 12.

[0081] Preferably, the bucket lid 1 is provided with a silica gel sealing ring 14.

[0082] Preferably, a production process of a special-shaped stainless steel vacuum heat preservation bucket comprises the following steps:

[0083] S1: Take the drawn inner liner 100, subject the drawn inner liner 100 to hydroforming, laser cutting head, pre-return, flattening, trimming, punching, cleaning and drying, knocking concave points, and dotting getter, to obtain the inner bucket liner 101. Then take the drawn outer shell 102, subject the drawn outer shell 102 to hydroforming, laser cutting head, sizing the mouth and bottom, flat mouth, cleaning and drying, knocking concave points, to obtain the outer bucket shell 103. Place the inner bucket liner 101 into the outer bucket shell 103, and then carry out spot welding, full welding, vacuum pumping, grinding the mouth, electrolysis, making the mouth, sanding, wiping the bottom, pressing mouth polyamide, and cup body polyamide. Finally, weld the front fixture 21 and the rotating fixture 22 to obtain the bucket body 2;

[0084] S2: Take the drawn inner lid 104, subject the drawn inner lid 104 to laser cutting head, cleaning and drying, to obtain the inner lid of the bucket lid 105. Then take the drawn outer lid 106, subject the drawn outer lid 106 to laser cutting head, cleaning and drying, and dotting getter, to obtain the outer lid of the bucket lid 107. Place the outer lid of the bucket lid 107 on the inner lid of the bucket lid 105, and then carry out spot welding, full welding, sanding the weld seam, vacuum pumping, electrolysis, polishing. Then take the fastening strip 13, the silica gel sealing ring 14, and the fastening silica gel strip 11, and then weld the fastening strip 13, grind the weld seam, install the silica gel sealing ring 14, and install the fastening silica gel strip 11 to obtain the bucket lid 1;

[0085] S3: Engage the front and rear sides of the fastening silica gel strip 11 with the front fixture 21 and the rotating fixture 22, so as to connect the bucket lid 1 and the bucket body 2, to obtain the special-shaped stainless steel vacuum heat preservation bucket.

[0086] Preferably, in step S1, temperature measurement is also included between vacuum pumping and grinding the mouth, and temperature measurement is also included after welding the rotating fixture 22. In step S2, temperature measurement is also included between vacuum pumping and electrolysis, and temperature measurement is also included before welding the fastening strip 13.

[0087] Preferably, in step S1, full inspection is also included between cleaning and drying and knocking concave points, full inspection is also included between flat mouth and cleaning and drying, full inspection is also included between electrolysis and making the mouth, and full inspection is also included between cup body polyamide and welding the front fixture 21.

[0088] Preferably, the welding is all laser welding.

[0089] As Figure 1-2As shown in the figure, the fastening silicone strip 11 enables the rotation of the bucket lid 1 through the rotating fastener 22. After the bucket lid 1 is opened, it can be clamped on the bucket body 2 without being taken. The fastening silicone strip 11 can also be separated from the rotating fastener 22. The disassembly and installation groove 119 facilitates disassembly and realizes the separation of the bucket lid 1. When the bucket lid 1 is closed, the fastening silicone strip 11 is clamped to the bucket lid 1 through the front fastener 21.

[0090] As Figure 3 shown in the figure, both the bucket lid 1 and the bucket body 2 are provided with a vacuum layer 3. In the vacuum layers 3 of the bucket lid 1 and the bucket body 2, getter materials are provided at the square markings shown in the figure. The bucket lid 1 is also provided with a silicone sealing ring 14.

[0091] As Figure 4-7 shown in the figure, the front clamping hole 111 and the rear clamping hole 112 of the fastening silicone strip 11 correspond to the front clamping part 131 and the rear clamping part 132 of the fastening strip 13. First, the rear clamping part 132 is inserted into the rear clamping hole 112, and then the front clamping part 131 is quickly inserted into the front clamping hole 111 by pulling the extension part 116. The fixing piece 114 is located in the fixing piece installation groove corresponding to the fastening silicone strip 11.

[0092] As Figure 8-17 shown in the figure, hydroforming is to use water pressure to expand the circular stretching inner liner 100 and the stretching outer shell 102 into a special-shaped square bucket structure. The laser cutting head is to remove the excess material head after forming. Pre-flanging is to perform a flaring operation before flanging to avoid wrinkling after reaching the position at once. Flattening is to flatten to the designed angle after pre-flanging. Trimming is used to remove the excess edge material to reach the welding size. Punching a concave is to punch a small spherical surface at the bottom to strengthen the bottom shape. By reserving bottom deformation, it can prevent the vacuum cavity of the outer shell from hitting the inner liner during vacuum pumping. Cleaning and drying are used to remove surface oil stains to facilitate welding and vacuum pumping. Dotting getter materials is to set a getter material to ensure long-term vacuum.

[0093] Trimming the mouth and bottom is to use a mold to reshape the size of the mouth part to meet the welding requirements for fitting with the inner liner. Smoothing the mouth is to use a tool to remove the sawteeth remaining from laser cutting at the mouth to ensure the effect of welding vacuum. Spot welding is to fix the outer shell and the inner liner in a mold by spot welding to prevent movement during welding. Vacuum pumping is to use negative pressure to pump out the air, activate the getter material by using temperature, and melt the sealing material by using temperature to complete the vacuum. Temperature measurement is to use internal heating and, based on the principle of heat transfer, determine whether the vacuum is affected. Grinding the mouth is to clean the welding bead at the mouth. Electrolysis is to chemically polish to remove impurities on the surface of the internal stainless steel. Making the mouth is to use a sand belt to solve the welding bead on the side. Polishing is to process the surface of the stainless steel through a sand belt and nylon. Pressing nylon for the mouth and cup body nylon both belong to polishing.

[0094] Take the special-shaped stainless steel vacuum insulation bucket obtained from the above embodiments and conduct tests on the heat preservation efficiency, cold preservation efficiency, and connection strength. The test methods are as follows:

[0095] I. Heat preservation efficiency test: The test is carried out in accordance with GB / T 40355-2021 "Stainless steel vacuum heat preservation containers". Test method: With the product open, place it in the specified ambient temperature of 20°C ± 5°C for more than 30 minutes, then fill it with boiling water at 100°C up to the lower end of the sealing cover. When the measured water temperature inside the product reaches 95°C ± 1°C, immediately tighten the seal. Under the same environmental conditions, measure the water temperature inside the product after 24 hours, and record the data every 2 hours;

[0096] II. Cold preservation efficiency test: The test is carried out in accordance with GB / T 40355-2021 "Stainless steel vacuum heat preservation containers". Test method: With the product open, place it in the specified ambient temperature of 20°C ± 5°C for more than 30 minutes, then fill it with cold water at 4°C up to the lower end of the sealing cover. When the measured water temperature inside the product reaches 4°C ± 1°C, immediately tighten the seal. After 6 hours / 12 hours under the same environmental conditions, measure the water temperature inside the product;

[0097] III. Connection strength test: The test is carried out in accordance with GB / T 40355-2021 "Stainless steel vacuum heat preservation containers". Test method: Hang the product by the handle or the carrying ring, and gently hang a heavy object equivalent to 6 times the weight of the product when it is filled with water and all accessories on the product. After maintaining for 5 minutes, check the handle or the carrying ring.

[0098] Test results:

[0099] In the heat preservation efficiency test, at 6 hours, the water temperature inside the product of the present utility model is 62.24°C, and the water temperature of the same-capacity products of the same type in the market is 61.24°C;

[0100] In the cold preservation efficiency test, at 6 hours, the water temperature inside the product of the present utility model is 6.45°C, and the water temperature of the same-capacity products of the same type in the market is 7.68°C;

[0101] In the connection strength test, when testing the product of the present utility model with a 40-kilogram weight, after 5 minutes, there are no adverse phenomena such as the fastening silicone strip 11, the fastening card strip 13, the front card part 21, and the rotating card part 22 falling off or breaking.

[0102] In summary, the above are only the preferred embodiments of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope covered by the present utility model.

Claims

1. A special-shaped stainless steel vacuum insulation barrel, comprising a barrel cover (1) and a barrel body (2), characterized in that: The barrel cover (1) and the barrel body (2) are both made of stainless steel. The barrel cover (1) and the barrel body (2) cooperate to form a special-shaped square barrel structure. The barrel cover (1) and the barrel body (2) are both provided with a vacuum layer (3). The front side of the barrel body (2) is provided with a front clamp (21), and the rear side of the barrel body (2) is provided with a rotating clamp (22). The barrel cover (1) is provided with a fastening silicone strip (11), and the fastening silicone strip (11) cooperates with the front clamp (21) and the rotating clamp (22).

2. The special-shaped stainless steel vacuum insulation barrel according to claim 1, characterized in that: The barrel cover (1) is provided with a fastening groove (12), a fastening clip (13) is provided in the fastening groove (12), and the fastening silicone strip (11) is snap-fitted and connected with the fastening clip (13).

3. The special-shaped stainless steel vacuum insulation barrel according to claim 2, characterized in that: The fastening clamping strip (13) is provided with a front clamping portion (131) and a rear clamping portion (132); the fastening silicone strip (11) is provided with a front clamping hole (111) and a rear clamping hole (112); the front clamping hole (111) is clamped and connected with the front clamping portion (131); and the rear clamping hole (112) is clamped and connected with the rear clamping portion (132).

4. The special-shaped stainless steel vacuum insulation barrel according to claim 3, characterized in that: The front clamping portion (131) and the rear clamping portion (132) are both L-shaped structures, and the front clamping portion (131) is provided with a curling structure (133).

5. The special-shaped stainless steel vacuum insulation barrel according to claim 3, characterized in that: The fastening silicone strip (11) is provided with a fastening reinforcement portion (113).

6. The special-shaped stainless steel vacuum insulation barrel according to claim 1, characterized in that: A fixing plate (114) is provided on the front side of the fastening silicone strip (11), and the fixing plate (114) is snap-connected with the front clamping member (21).

7. The special-shaped stainless steel vacuum insulation barrel according to claim 6, characterized in that: The fixing plate (114) is provided with a square hole (115), the front clamping member (21) is an L-shaped structure, the front clamping member (21) is provided with a front protruding portion (211), and the square hole (115) cooperates with the front protruding portion (211).

8. The special-shaped stainless steel vacuum insulation barrel according to claim 7, characterized in that: The forward portion (211) is provided with an anti-skid column structure (212).

9. The special-shaped stainless steel vacuum insulation barrel according to claim 1, characterized in that: An extension portion (116) is provided on the front side of the fastening silicone strip (11), and the extension portion (116) is provided with an anti-slip groove (117).

10. The special-shaped stainless steel vacuum insulation barrel according to claim 1, characterized in that: A symmetrical rotation hole (118) is provided on the rear side of the fastening silicone strip (11); the rotation clamp (22) is a square-shaped structure; the rotation clamp (22) is provided with a broken rotation shaft structure (221); and the broken rotation shaft structure (221) is engaged and connected with the rotation hole (118).

11. The special-shaped stainless steel vacuum insulation barrel according to claim 10, characterized in that: A disassembly groove (119) is provided between the rotation holes (118).

12. The special-shaped stainless steel vacuum insulation barrel according to claim 2, characterized in that: The fastening clip (13) is connected to the fastening groove (12) by welding.

13. The special-shaped stainless steel vacuum insulation barrel according to claim 1, characterized in that: The barrel cover (1) is provided with a silicone sealing ring (14).

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