Anti-scald PC water cup

By employing a double-layer heat insulation structure and a diamond-shaped mesh airflow design, the problem of heat accumulation and scalding in PC water cups is solved, achieving efficient heat dissipation and structural stability, and extending service life.

CN224330748UActive Publication Date: 2026-06-09ZHONGSHAN JIABAO DAILY NECESSITIES CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONGSHAN JIABAO DAILY NECESSITIES CO LTD
Filing Date
2025-05-15
Publication Date
2026-06-09

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Abstract

This utility model discloses a scalding-proof PC water cup, comprising a cup mouth, a cup body, and a cup bottom connected from top to bottom. An annular scalding-proof band is provided between the bottom of the cup mouth and the top of the cup bottom. The cup mouth has a separate inner and outer wall structure, including several sets of raised diamond-shaped grids below the outer and inner annular scalding-proof bands, with a vent hole in the center of each diamond-shaped grid. The cup mouth uses a double-layer heat-insulating inner and outer wall separation structure with an air gap to form a first-level heat-insulating barrier. The cup body uses a corrugated scalding-proof band to form a second-level heat-insulating layer, reducing heat transfer from hand contact. The cup bottom uses a silicone ring for insulation, combined with a metal positioning piece to block heat conduction from the tabletop, thus lowering the temperature of the bottom area. Furthermore, the use of a diamond-shaped grid airflow guiding structure accelerates the discharge of internal hot air through the corrugated gaps, improving heat dissipation efficiency, preventing cup deformation caused by steam accumulation, balancing tactile comfort and grip stability, and extending the product's lifespan.
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Description

Technical Field

[0001] This utility model relates to the field of water cup technology, and in particular to a scalding-proof PC water cup. Background Technology

[0002] Currently available PC water cups have a simple structure, and their heat dissipation mainly relies on a single insulation structure, such as thickening the cup body or using partial silicone sleeves. This cannot simultaneously solve the problem of heat conduction in the grip area, drinking area, and placement area. Especially when filled with hot liquids, the cup mouth and body can easily cause burns due to excessive heat transfer. Most water cups rely solely on the thermal conductivity of the material itself for heat dissipation, lacking an active heat dissipation structure. This causes heat to accumulate in localized areas of the cup body, and the single-layer structure of the cup mouth directly transfers heat to the lips. Furthermore, there is a contradiction between structural strength and weight. Excessively increasing the wall thickness to improve insulation often results in a bulky cup, and thermal expansion and contraction can easily cause deformation and cracking. Therefore, there is an urgent need for a scalding-proof PC water cup. Utility Model Content

[0003] The purpose of this utility model is to address the deficiencies in the existing technology by proposing an anti-scalding PC water cup.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A heat-resistant PC water cup includes a cup mouth, a cup body, and a cup bottom that are connected from top to bottom, and an annular heat-resistant band is provided between the bottom end of the cup mouth and the top end of the cup bottom.

[0006] The cup opening has a separate inner and outer wall structure, consisting of an outer layer and an inner layer;

[0007] The ring-shaped anti-scalding strip has several sets of raised diamond-shaped grids at its bottom, and each diamond-shaped grid has a ventilation hole in its center.

[0008] Furthermore, the annular anti-scalding strip is composed of several transverse wavy embossed textures;

[0009] The vertical height difference between the bottom of the groove and the top of the protrusion in the wavy texture forms an air gap.

[0010] Furthermore, the outer layer is integrally formed with the cup body;

[0011] The inner layer independently forms a drinking water contact surface;

[0012] An air gap is formed between the outer layer and the inner layer;

[0013] The bottom of the air interlayer has a symmetrically distributed air permeable groove.

[0014] Furthermore, the long side axis of each rhombus of the rhombus grid intersects the outer wavy texture at a 45° angle.

[0015] Furthermore, a silicone ring is fitted onto the top of the outer wall of the cup bottom;

[0016] The silicone ring is provided with several anti-slip protrusions.

[0017] Furthermore, the silicone ring has an embedded positioning piece;

[0018] The positioning piece has a fitting hole (a) on its surface that corresponds to the position of the anti-slip protrusion.

[0019] Furthermore, the top and bottom of the annular anti-scalding strip are respectively connected to the cup rim and the cup bottom area;

[0020] The thickness gradually decreases from the middle to both ends.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0022] The cup mouth features a double-layered heat-insulating structure with separate inner and outer walls and an air gap, forming the first level of heat barrier. The cup body uses a corrugated anti-scalding strip to form the second level of heat insulation, reducing heat transfer from hand contact. The bottom of the cup uses a silicone ring for insulation, combined with a metal positioning piece to block heat conduction from the table, thus lowering the temperature of the bottom area. In addition, by adopting a diamond-shaped mesh airflow guiding structure, the 45° intersecting diamond mesh can form a three-dimensional heat dissipation channel with the vent holes, accelerating the discharge of internal hot air through the corrugated gaps, improving heat dissipation efficiency, avoiding cup deformation caused by steam accumulation, balancing tactile comfort and grip stability, and extending the product's service life. Attached Figure Description

[0023] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0024] Figure 1 This is a front view of the anti-scalding PC water cup proposed in this utility model;

[0025] Figure 2 This is one of the structural schematic diagrams of the anti-scalding PC water cup proposed in this utility model;

[0026] Figure 3 This is the second schematic diagram of the structure of the anti-scalding PC water cup proposed in this utility model;

[0027] Figure 4 This is a cross-sectional diagram of the anti-scalding PC water cup proposed in this utility model.

[0028] In the diagram: 1. Cup rim; 101. Outer layer; 102. Inner layer; 103. Air gap; 103a. Ventilation groove; 2. Cup body; 3. Cup bottom; 4. Circular anti-scalding band; 401. Wavy textured surface; 5. Diamond mesh; 501. Ventilation hole; 6. Silicone ring; 601. Anti-slip bumps; 602. Positioning piece. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0030] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] Reference Figure 1-4 A heat-resistant PC water cup includes a cup opening 1, a cup body 2, and a cup bottom 3 connected from top to bottom, with an annular heat-resistant band 4 provided between the bottom of the cup opening 1 and the top of the cup bottom 3.

[0032] The cup opening 1 has a separate inner and outer wall structure, including an outer layer 101 and an inner layer 102;

[0033] The annular anti-scalding strip 4 has several sets of raised diamond-shaped meshes 5 below it, and each diamond-shaped mesh 5 has a ventilation hole 501 in its center. In one specific embodiment,

[0034] The cup mouth 1 has a circular opening at the top and is connected to the cup body 2 at the bottom. It adopts a design with separate inner and outer walls. The outer layer 101 is made of PC material, and the inner layer 102 is made of food-grade thin-walled PC. The top is fused and sealed with the outer layer 101. The annular anti-scalding band 4 is located in the middle of the cup body 2, covering the main area from the bottom of the cup mouth 1 to the top of the cup bottom 3. The diamond-shaped mesh 5 is injection molded into the inner wall of the cup, with a vent 501 in the center. When holding the cup, the fingers contact the annular anti-scalding band 4 to reduce direct heat transfer. The double-layered cup mouth 1 blocks heat from being conducted to the lips through the air gap 103, and the diamond-shaped mesh 5 accelerates the diffusion of internal heat through the vent 501.

[0035] The annular anti-scalding strip 4 is composed of several transverse wavy embossed textures 401. The vertical height difference between the bottom of the groove and the top of the protrusion of the wavy embossed texture 401 forms an air gap 402. In one specific embodiment, the annular anti-scalding strip 4 is composed of several transverse wavy embossed textures 401, the air gap 402 runs through the entire anti-scalding strip, the wavy grooves 401a limit the contact area of ​​the fingers, and the protrusions form a continuous air insulation layer 402 between the palm and the hand. The direction of the wavy texture guides heat to diffuse laterally rather than be transferred longitudinally.

[0036] The outer layer 101 is integrally formed with the cup body 2; the inner layer 102 independently forms a drinking contact surface; an air gap 103 is formed between the outer layer 101 and the inner layer 102; the bottom of the air gap 103 is provided with two symmetrically distributed ventilation grooves 104. In one specific embodiment, two ventilation grooves 104 are opened at the bottom of the air gap 103, and the top of the inner layer 102 is turned outward and heat-fused to the outer layer 101. When drinking, the heat of the hot water is first transferred to the inner layer 102, buffered by the air gap 103, and then reaches the outer layer 101. The ventilation grooves 104 balance the air pressure inside and outside the gap, preventing the accumulation of high-temperature steam.

[0037] The long side axis of each rhombus of the rhombus mesh 5 intersects the outer wavy texture 401 at a 45° angle. In a specific implementation, the long side axis of the rhombus mesh 5 intersects the wavy texture 401 at a 45° angle. The intersection angle disrupts the heat conduction path, prolongs the heat transfer time, and the rhombus structure enhances the compressive strength of the cup body and prevents deformation due to thermal expansion and contraction.

[0038] A silicone ring 6 is fitted onto the top of the outer wall of the cup bottom 3; the silicone ring 6 is provided with a number of anti-slip protrusions 601. In a specific embodiment, the silicone ring 6 is fitted onto the top of the cup bottom 3, and the surface is distributed with a number of anti-slip protrusions 601. The silicone ring 6 isolates the heat from the tabletop from being conducted to the cup bottom 3, and the anti-slip protrusions 601 increase the friction and prevent the cup from slipping and causing burns when held.

[0039] The silicone ring 6 has an embedded positioning piece 602. The surface of the positioning piece 602 has a fitting hole corresponding to the position of the anti-slip protrusion 601. In one specific embodiment, the positioning piece 602 is a stainless steel ring, embedded inside the silicone ring 6. The fitting hole is interference-fitted with the root of the anti-slip protrusion 601. The metal positioning piece 602 prevents the silicone ring 6 from deforming and falling off at high temperatures. The fitting hole locks the position of the anti-slip protrusion 601, ensuring that it does not wear out during long-term use. The top and bottom of the annular anti-scalding band 4 are respectively connected to the cup mouth 1 and the cup bottom 3 area. The thickness gradually decreases from the middle to both ends. In one specific embodiment, the thickness of the annular anti-scalding band 4 gradually decreases from the middle towards the cup mouth 1 and the cup bottom 3. The gradual change in thickness balances the structural strength and weight. The thicker middle delays heat penetration, and the thinner ends reduce the overall weight. The smooth transition area avoids stress concentration.

[0040] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A scald-proof PC water cup, characterized in that, The cup includes a cup mouth (1), a cup body (2), and a cup bottom (3) connected from top to bottom, characterized in that: An annular anti-scalding band (4) is provided between the bottom of the cup mouth (1) and the top of the cup bottom (3). The cup mouth (1) has a separate inner and outer wall structure, including an outer layer (101) and an inner layer (102). The ring-shaped anti-scalding strip (4) has several sets of raised diamond-shaped grids (5) below it, and each diamond-shaped grid (5) has a ventilation hole (501) in the center.

2. The anti-scalding PC water cup according to claim 1, characterized in that: The annular heat-resistant strip (4) is composed of several transverse wavy embossed textures (401); The vertical height difference between the bottom of the groove and the top of the protrusion of the wavy texture (401) forms an air gap (402).

3. The anti-scalding PC water cup according to claim 2, characterized in that: The outer layer (101) is integrally formed with the cup body (2); The inner layer (102) independently forms a drinking water contact surface; An air gap (103) is formed between the outer layer (101) and the inner layer (102). The air interlayer (103) has two symmetrically distributed air vents (104) at its bottom.

4. The anti-scalding PC water cup according to claim 3, characterized in that: The long side axis of each rhombus of the rhombus mesh (5) intersects the direction of the outer wavy texture (401) at 45°.

5. The anti-scalding PC water cup according to claim 4, characterized in that: A silicone ring (6) is fitted onto the top of the outer wall of the cup bottom (3); The silicone ring (6) is provided with several anti-slip protrusions (601).

6. The anti-scalding PC water cup according to claim 5, characterized in that: The silicone ring (6) has a positioning piece (602) embedded inside it. The positioning piece (602) has a fitting hole on its surface that corresponds to the position of the anti-slip protrusion (601).

7. The anti-scalding PC water cup according to claim 6, characterized in that: The top and bottom of the annular anti-scalding band (4) are respectively connected to the cup opening (1) and the cup bottom (3) area; The thickness gradually decreases from the middle to both ends.