CN114343310A - Environment-friendly tableware - Google Patents
Environment-friendly tableware Download PDFInfo
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- CN114343310A CN114343310A CN202111598881.8A CN202111598881A CN114343310A CN 114343310 A CN114343310 A CN 114343310A CN 202111598881 A CN202111598881 A CN 202111598881A CN 114343310 A CN114343310 A CN 114343310A
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- bottom wall
- inner container
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- 235000013305 food Nutrition 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 28
- 238000003860 storage Methods 0.000 claims description 9
- 230000007613 environmental effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 23
- 238000007789 sealing Methods 0.000 abstract description 18
- 238000004321 preservation Methods 0.000 abstract description 10
- 230000005484 gravity Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 235000014347 soups Nutrition 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The invention relates to the technical field of articles for daily use, in particular to environment-friendly tableware, which comprises the following components: a housing; the inner container is positioned inside the shell and fixedly connected with the inner wall of the shell; the box cover is positioned on the end face far away from the bottom wall of the shell; the air cavity is positioned at the upper part of the bottom wall of the shell and the lower part of the bottom wall of the inner container; the annular bag is positioned at the upper part of the outer wall of the shell and is in sealing connection with the inner wall of the box cover; the heat preservation gas is positioned in the air cavity, the annular bag and the air holes and is used for preserving heat of food in the inner container; the invention changes the volume of the gas in the gas cavity and the annular bag through the action of gravity, and increases the sealing effect between the shell and the box cover, so that the invention has the characteristics of high efficiency, convenient operation, economy and practicability; the air cavity of the lunch box, the annular bag and the space between the shell and the inner container are filled with heat preservation air, so that the speed of reducing the temperature of food in the lunch box is reduced.
Description
Technical Field
The invention relates to the technical field of articles for daily use, in particular to environment-friendly tableware.
Background
Tableware refers to non-edible implements that directly contact food when eating, utensils and appliances that assist in the distribution or intake of food. Many disposable tableware have appeared on the market at present, which are not good for the environment, and some tableware made of degradable materials are available. Along with the acceleration of the pace of life of modern urban people, the requirement of people on sales is improved, the use of disposable tableware is greatly increased, the disposable products have the advantages of convenience and rapidness, but more materials and resources are wasted, excessive white pollution is caused, the reusable tableware is preferably used for realizing environmental protection and meeting the requirements of energy conservation and emission reduction, the existing tableware box has the defects of poor tableware classification effect, insanitation, inconvenience in carrying, poor functionality, complex structure and the like, and the defects of easy damage, poor durability and the like exist in some cases.
The box cover in the prior art cannot be completely sealed and insulated after covering the lunch box, so that the problems of soup spillage, rapid reduction of food temperature, food odor change and the like can occur, and the taste and quality of food are seriously affected; in addition, in the prior art, a large amount of materials are used in the manufacturing process to generate excessive pollution, the materials are difficult to degrade, and hard and toxic gas can be released when the materials reach a certain temperature, so that a large amount of environmental pollution and damage to human health are caused.
In view of the above, in order to overcome the above technical problems, the present invention provides an environment-friendly tableware, which solves the above technical problems.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides the environment-friendly tableware, the sealing effect of the lunch box is improved by adjusting the volume of the air cavity in the lunch box, and the heat insulation effect of the lunch box is improved by arranging the heat insulation layer containing heat insulation gas between the outer box and the inner container of the lunch box, so that the environment-friendly tableware has the characteristics of high efficiency, convenience in operation, economy and practicability.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an environment-friendly tableware, comprising:
a housing;
the inner container is positioned inside the shell and fixedly connected with the inner wall of the shell;
the box cover is positioned on the end face far away from the bottom wall of the shell;
it is characterized by also comprising:
the air cavity is arranged between the upper part of the bottom wall of the outer shell and the lower part of the bottom wall of the inner container;
the annular bag is positioned at the upper part of the outer wall of the shell and is in sealing connection with the inner wall of the box cover;
the air hole is positioned between the outer wall of the inner container and the inner wall of the shell, one end of the air hole is communicated with the air cavity, and the other end of the air hole is communicated with the annular bag;
and the heat preservation gas is positioned in the air cavity, the annular bag and the air holes and is used for preserving heat of food in the inner container.
Preferably, the outer wall of the shell between the bottom wall of the shell and the bottom wall of the inner container is made of flexible environment-friendly materials.
Preferably, the outer shell portion located below the bottom wall of the inner container is made of a flexible environmentally friendly material.
Preferably, the central part of the bottom wall of the shell is downwards convex and is made of flexible environment-friendly materials.
Preferably, the outside of the outer diapire of shell is equipped with many portable ropes, portable rope both ends all link firmly the shell diapire, the shell bottom is plastic environmental protection material.
Preferably, the hand-held ropes are symmetrically parallel or symmetrically crossed along the center of the bottom wall of the shell.
Preferably, the portable rope is fixedly connected with a pressure block at the upper end of the box cover, and the pressure block presses the box cover.
Preferably, the upper part of the outer wall of the shell is fixedly connected with a plurality of fixing blocks, the fixing blocks are provided with penetrating holes, and the hand-held rope is in sliding connection with the penetrating holes.
Preferably, an elastic element is arranged in the air cavity, and two ends of the elastic element are fixedly connected with the upper part of the bottom wall of the shell and the lower part of the bottom wall of the inner container respectively.
Preferably, the middle part of the outer wall of the shell is provided with a storage rack, and the storage rack is used for storing the portable rope.
The invention has the following beneficial effects:
1. the invention changes the volume of the gas in the gas cavity and the annular bag through the action of gravity, and increases the sealing effect between the shell and the box cover, so that the invention has the characteristics of high efficiency, convenient operation, economy and practicability.
2. The invention reduces the speed of reducing the temperature of food in the lunch box by filling the air cavity of the lunch box, the annular bag and the space between the shell and the inner container with heat preservation air.
3. The through hole on the fixing block is used for avoiding the sliding between the hand rope and the lunch box, so that the lunch box slides down; through being equipped with the pressure piece on portable rope, give the downward power of lid when carrying the lunch-box removal of carrying, improve the sealed effect of inner bag and lid, further increase the sealed effect between lunch-box and the lid.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a cross-sectional view of a cross-symmetrical carry handle cord of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a top view of the parallel symmetry of FIG. 1;
in the figure: 1. a meal box; 11. a housing; 12. an inner container; 13. an annular bladder; 14. air holes; 15. CO 22(ii) a 2. An air cavity; 21. an elastic element; 3. a box cover; 4. a lifting rope; 41. a fixed block; 42. a through hole; 43. a pressure block; 44. a storage rack.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described in the following combined with the specific embodiments.
As shown in fig. 1-3;
example 1;
an environment-friendly tableware, comprising:
a housing 11;
the inner container 12 is positioned inside the shell 11 and fixedly connected with the inner wall of the shell 11;
the box cover 3 is positioned on the end face far away from the bottom wall of the shell 11;
it is characterized by also comprising:
the air cavity 2 is arranged between the upper part of the bottom wall of the outer shell 11 and the lower part of the bottom wall of the inner container 12;
the annular bag 13 is positioned at the upper part of the outer wall of the shell 11 and is in sealing connection with the inner wall of the box cover 3;
the air hole 14 is positioned between the outer wall of the inner container 12 and the inner wall of the shell 11, one end of the air hole 14 is communicated with the air cavity 2, and the other end of the air hole 14 is communicated with the annular bag 13;
and the heat preservation gas is positioned in the air cavity 2, the annular bag 13 and the air holes 14 and is used for preserving heat of food in the inner container 12.
When the lunch box is in work, the box cover 3 in the prior art cannot be completely sealed and insulated after covering the lunch box 1, so that the problems of soup spilling, rapid reduction of food temperature, food flavor deterioration and the like can occur, and the taste and quality of food are seriously affected; in addition, in the prior art, a large amount of materials are used in the manufacturing process to generate excessive pollution, the materials are difficult to degrade, and hard and toxic gas can be released when the materials reach a certain temperature, so that a large amount of environmental pollution and damage to human health are caused.
Therefore, the environment-friendly meal box 1 made of the all-environment-friendly material is characterized in that the heat-insulating layer is arranged between the shell 11 and the inner container 12, the air cavities 2 are arranged above the bottom wall of the shell 11 and below the bottom wall of the inner container 12, and the air in the heat-insulating layer, the air cavities 2 and the annular bag 13 is heat-insulating gas CO215. When a worker places the lunch box 1 on a table top, the lunch box 1 is forced downwards due to the action of gravity, so that the air cavity 2 in the lunch box 1 is extruded to reduce the volume, the air in the air cavity 2 is extruded to the annular bag 13 at the upper part of the outer wall of the shell 11, the annular bag 13 is expanded, when the worker places the box cover 3 at the opening of the lunch box 1, the worker gently lifts the hand rope 4 or the outer wall of the lunch box 1 to reduce the volume of the air in the annular bag 13, and then the lunch box 1 is placed on the table top box cover 3 to be sealed with the lunch box 1; when a worker wants to open the box cover 3 of the lunch box 1, the worker only needs to slightly lift the hand rope 4 or the outer wall of the lunch box 1 to reduce the volume of the gas in the annular bag 13, and then can take down the box cover 3; when the worker carries the lunch box 1, the two ends of the two lifting ropes 4 respectively give upward force to the bottom wall of the shell 11, so that the bottom wall of the shell 11 moves upward to extrude the air cavity 2,therefore, the air in the air cavity 2 is squeezed into the annular bag 13, the inner wall of the box cover 3 is always in sealing connection with the annular bag 13 on the lunch box 1, meanwhile, the sealing buckle on the lifting rope 4 gives downward force to the box cover 3, and the sealing performance between the inner wall of the box cover 3 and the annular bag 13 is enhanced.
According to the invention, through adjusting the volume change between the air cavity 2 and the annular bag 13, when the lunch box 1 is in different states, a worker can feel the convenience of use when using the lunch box 1, and meanwhile, the use effect of the structure is guaranteed, so that the lunch box has the characteristics of high efficiency, convenience in operation, economy and practicability.
In this embodiment, the outer wall of the outer shell 11 between the bottom wall of the outer shell 11 and the bottom wall of the inner container 12 is made of a flexible environment-friendly material.
When the refrigerator works, the outer wall of the shell 11 positioned between the bottom wall of the shell 11 and the bottom wall of the inner container 12 is made of polyethylene materials, and the upper part of the outer wall of the shell 11 positioned between the bottom wall of the shell 11 and the bottom wall of the inner container 12, the bottom wall of the shell 11, the inner container 12 and the box cover 3 are all made of glass fiber reinforced plastic materials; when cutlery box 1 was placed on the desktop, cutlery box 1 received the action of gravity, and the volume in the air cavity 2 reduces, and 11 outer walls of shell between 11 diapalls of shell and the 12 diapalls of inner bag are outside crooked, and the gaseous volume increase in the annular bag 13 on 11 outer walls upper portion of shell makes lid 3 easily cover cutlery box 1 and has guaranteed the leakproofness between lid 3 and cutlery box 1.
Example 2;
the difference compared to example 1 is that:
in this embodiment, the portion of the outer shell 11 below the bottom wall of the inner container 12 is made of flexible environmental-friendly material.
When the refrigerator works, the part of the shell 11 positioned below the bottom wall of the inner container 12 is made of polyethylene materials, and the part of the shell 11 positioned above the bottom wall of the inner container 12, the inner container 12 and the box cover 3 are all made of glass fiber reinforced plastic materials; because 11 diapalls of shell are the polyethylene material, when cutlery box 1 was placed on the desktop, the shell 11 that is located below 12 diapalls of inner bag received extrusion deformation, and gaseous volume reduces in the air cavity 2, and gaseous volume increases in the annular bag 13, so when lifting cutlery box 1, gaseous volume in the air cavity 2 kick-backs sooner, has improved cutlery box 1's result of use.
Example 3;
the difference compared to example 1 is that:
in this embodiment, the central portion of the bottom wall of the housing 11 is downwardly convex and is made of flexible environmental protection material.
When the refrigerator works, the downward convex part of the central part of the bottom wall of the shell 11 is made of polyethylene material, and the part of the shell 11, the inner container 12 and the box cover 3 which are positioned outside the downward convex part of the central part of the bottom wall of the shell 11 are all made of glass fiber reinforced plastic material; because the downward convex amount of the bottom wall of the shell 11 is fixed, when the lunch box 1 is placed on a table and is acted by gravity, the downward convex part of the bottom wall of the shell 11 is acted by upward force, the volume in the air cavity 2 is reduced, the volume in the annular bag 13 is increased, and the maximum variable amount of the air volume in the air cavity 2 and the annular bag 13 is fixed, so that the sealing effect can reach the expected effect when the box cover 3 is covered, the variable amount difference of the annular bag 13 caused by the different weight of the lunch box 1 is avoided, and the service life of the lunch box can be prolonged.
Example 4;
the difference compared to example 1 is that:
in this embodiment, the outside of the outer diapire of shell 11 is equipped with many portable ropes 4, portable rope 4 both ends all link firmly shell 11 diapire, shell 11 bottom is plastic environmental protection material.
When the lunch box is in use, the outer wall of the shell 11 is connected with the two lifting ropes 4, a worker is fixedly connected with the bottom of the shell 11 through the lifting ropes 4, and the lunch box can be moved only by lifting the lifting ropes 4 when carrying the lunch box 1, so that the convenience of the lunch box is greatly improved.
The hand-held ropes 4 are symmetrically parallel or symmetrically crossed along the center of the bottom wall of the shell 11 in the embodiment.
When the lunch box is in use, a worker can lift the lunch box 1 for carrying by taking the two symmetrical and parallel lifting ropes 4 at the same time, so that the lunch box 1 can be conveniently carried and the box cover 3 can be taken up or covered;
in this embodiment, the portable rope 4 is in the position of the upper end of the box cover 3 is fixedly connected with the pressure block 43, and the pressure block 43 buckles the box cover 3.
During operation, the pressure block 43 fixedly connected to the lifting rope 4 is attached to the outer wall surface of the box cover 3, so that downward force is applied to the outer wall of the box cover 3, and the sealing effect between the inner wall of the box cover 3 and the annular bag 13 is further improved.
In this embodiment, the upper portion of the outer wall of the housing 11 is fixedly connected with a plurality of fixing blocks 41, the fixing blocks 41 are provided with penetrating holes 42, and the portable rope 4 is slidably connected with the penetrating holes 42.
When the portable lunch box is in work, the outer wall of the shell 11 is provided with the four fixing blocks 41, and each portable rope 4 is in sliding connection with the two through holes 42 on the fixing blocks 41, so that the movement range of the portable rope 4 is limited, and the phenomenon that the gravity center of the lunch box 1 is unstable and falls off due to the displacement of the portable rope 4 when the lunch box 1 is carried and moved is prevented.
Example 5;
the difference compared to example 1 is that:
in this embodiment, an elastic element 21 is disposed inside the air cavity 2, and two ends of the elastic element 21 are respectively fixedly connected to the upper portion of the bottom wall of the outer shell 11 and the lower portion of the bottom wall of the inner container 12.
When the lunch box is in use, the elastic element 21 can use a quartz spring, when a worker places the lunch box 1 on a table, the gas volume in the gas cavity 2 is reduced under the action of gravity, the elastic element 21 is compressed under the action of force, and the gas volume in the annular bag 13 is increased, so that the sealing effect between the box cover 3 and the annular bag 13 is ensured; when the operator wants to open the box cover 3, the lunch box 1 is lifted a certain distance, the elastic element 21 in the air cavity 2 is restored to the original state, thereby quickly increasing the volume in the air cavity 2, reducing the volume in the annular bag 13, facilitating and quickly opening the box cover 3, and increasing the practical use effect of the invention.
Example 6;
the difference compared to example 4 is that:
in this embodiment, a storage rack 44 is disposed in the middle of the outer wall of the housing 11, and the storage rack 44 is used for storing the portable rope 4.
When the lunch box is put on a desktop by a worker during working, the U-shaped part in the middle of the lifting rope 4 can be hung at the U-shaped opening in the storage rack 44 for storage, so that the attractiveness and the simplicity of use are improved.
In order to verify the practical application effect of the invention, the workers of the invention do the following experiments aiming at the technical difference between the invention and the prior art:
experimental verification 1:
1. purpose of the experiment: the sealing effect, the heat preservation effect and the environmental protection degree of the environment-friendly lunch box are verified to be compared with those of the prior art;
2. an experimental instrument: thermometers, timers;
3. the experimental process comprises the following steps:
3.1 under the same environment, respectively pouring hot water with the same volume at 70 ℃ into the environment-friendly lunch box and the current market lunch box, covering the lunch box with a box cover, and respectively measuring the temperature of the hot water in the two lunch boxes by using a thermometer every 10 minutes for 6 times;
3.2 pouring tap water into the lunch boxes respectively to two thirds of the volume of the lunch boxes, horizontally placing the lunch boxes filled with tap water for three minutes, observing whether the lunch boxes leak water or not, and verifying for 6 times;
3.3 pouring tap water into the lunch boxes respectively to two thirds of the volume of the lunch boxes, horizontally shaking the lunch boxes filled with tap water for one minute, observing whether the lunch boxes leak water or not, and verifying for 6 times;
4. experimental results;
the following is the data collated by the staff of the invention:
experimental group-invention:
TABLE 1
Control group-on-the-spot market
TABLE 2
Wherein: n represents no water leakage; y represents water leakage;
as can be seen from the data in the table, the gas in the annular bag and the gas in the air cavity of the lunch box of the invention between the outer box and the inner container is CO2The food temperature control agent has a good heat preservation effect, and can effectively reduce the loss of food temperature; it can be seen from tables 1 and 2 that the lunch box of the present invention is always kept in a watertight state under the condition of horizontal rest, but the lunch boxes on the market can not be completely sealed, thereby causing water leakage; it can be seen from tables 1 and 2 that the lunch box of the present invention still has good sealing effect in the shaking state, while the lunch box in the current market has sealing effect, but still leaks water after shaking, and it can be seen that the lunch box in the current market has poor sealing performance and cannot bear shaking.
5. Summary of the test:
compared with the prior art, the environment-friendly lunch box has the advantages that the sealing effect and the heat preservation effect are superior to those of the prior art, the raw materials are saved, and the use is convenient.
And (4) experimental conclusion:
the invention improves the sealing effect of the lunch box by adjusting the gas volume of the gas cavity in the lunch box and also arranges CO between the outer box and the inner container of the lunch box2The heat preservation layer improves the heat preservation effect of the lunch box, so that the lunch box has the characteristics of high efficiency, convenience in operation, economy and practicability, and has wide market application prospect.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in fig. 1, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the scope of the present invention, and furthermore, the terms "first", "second", "third", etc., are only used for distinguishing the description and are not to be construed as indicating or implying relative importance.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An environment-friendly tableware, comprising:
a housing (11);
the inner container (12) is positioned inside the shell (11) and fixedly connected with the inner wall of the shell (11);
the box cover (3) is positioned on the end face far away from the bottom wall of the shell (11);
it is characterized by also comprising:
the air cavity (2) is arranged between the upper part of the bottom wall of the shell (11) and the lower part of the bottom wall of the inner container (12);
the annular bag (13), the said annular bag (13) locates at the upper portion of the outer wall of the said outer casing (11) and is connected with inner wall seal of the said box cover (3);
the air hole (14), the air hole (14) is positioned between the outer wall of the inner container (12) and the inner wall of the shell (11), one end of the air hole (14) is communicated with the air cavity (2), and the other end of the air hole (14) is communicated with the annular bag (13);
and the heat insulation gas (15) is positioned in the air cavity (2), the annular bag (13) and the air holes (14) and is used for insulating food in the inner container (12).
2. An environment-friendly tableware according to claim 1 wherein: the outer wall of the outer shell (11) between the bottom wall of the outer shell (11) and the bottom wall of the inner container (12) is made of flexible environment-friendly materials.
3. An environment-friendly tableware according to claim 1 wherein: the part of the outer shell (11) below the bottom wall of the inner container (12) is made of flexible environment-friendly materials.
4. An environment-friendly tableware according to claim 1 wherein: the central part of the bottom wall of the shell (11) is downward convex and is made of flexible environment-friendly materials.
5. An environment-friendly tableware according to claim 2 wherein: the outside of the outer diapire of shell (11) is equipped with many portable rope (4), portable rope (4) both ends all link firmly shell (11) diapire, shell (11) bottom is the plastics environmental protection material.
6. An environment-friendly tableware according to claim 5 wherein: the hand-held ropes (4) are symmetrically parallel or symmetrically crossed along the center of the bottom wall of the shell (11).
7. An environment-friendly tableware according to claim 5 or 6 wherein: the portable rope (4) is in the position of lid (3) upper end has linked firmly pressure block (43), pressure block (43) are withheld lid (3).
8. An environment-friendly tableware according to claim 5 or 6 wherein: the portable rope fixing device is characterized in that a plurality of fixing blocks (41) are fixedly connected to the upper portion of the outer wall of the shell (11), penetrating holes (42) are formed in the fixing blocks (41), and the portable rope (4) is in sliding connection with the penetrating holes (42).
9. An environment-friendly tableware according to claim 2 wherein: an elastic element (21) is arranged in the air cavity (2), and two ends of the elastic element (21) are fixedly connected with the upper part of the bottom wall of the shell (11) and the lower part of the bottom wall of the inner container (12) respectively.
10. An environment-friendly tableware according to claim 1 wherein: the middle of the outer wall of the shell (11) is provided with a storage rack, and the storage rack is used for storing the portable rope (4).
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| CN202111598881.8A CN114343310B (en) | 2021-12-24 | 2021-12-24 | Environment-friendly tableware |
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| CN114343310B (en) | 2024-07-26 |
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