Plastic container
By designing horizontally extended cover edges and welding fixed structure plastic containers, the problems of waste and poor sealing of existing plastic containers are solved, and lower production and use costs and better sealing and opening convenience are achieved.
Patent Information
- Application Number
- CN202421118976.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-21
AI Technical Summary
Existing plastic containers waste materials in design, increasing the process complexity of sealing and difficulty in airtight control, resulting in high production and use costs, and at the same time there are hidden dangers to the shelf life of food.
Design a plastic container with its cover extending horizontally outward without a downward sagging. It fixes the box and lid together by welding through several welding lines, changing the traditional cap or snap mode, and adding Install a sealing membrane to improve sealing performance.
It achieves material savings, reduces production costs, improves sealing and opening convenience, and ensures the shelf life of food.
Smart Images
Figure CN222523077U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of plastic products, in particular to a plastic container. Background Art
[0002] In recent years, with the continuous development of economy and technology, people's material life has become more and more abundant, and plastic containers for holding various foods have also been widely popularized and used.
[0003] Plastic containers currently in use have various shapes, including circular, regular polygonal, elliptical, and various special shapes. The connection methods between the cover and the body include snap-on type and threaded connection type. In the field of plastic products, due to high process requirements and other reasons, plastic containers that open the cover with a pull ring are rarely used, and the pull ring method is usually used on metal lids. For plastic containers, between the cover and the body, whether it is a snap-on type or a threaded connection method, a cover edge that is bent downward 90 degrees and has a long distance must be designed on the edge of the cover surface, so that when using physical deformation snap-on or screw-on cover, there is sufficient cover body to cooperate. The above design wastes materials and increases the complexity of the sealing process and the difficulty of airtight control. Therefore, while significantly increasing the cost of each product, it also poses certain risks to the shelf life of the food contained in the container to a certain extent.
[0004] Therefore, how to provide a plastic container with simple and practical structure, good sealing, easy to open, and lower production and use costs has become a technical problem that technical personnel in this field urgently need to solve. Utility Model Content
[0005] The technical problem to be solved by the utility model is to provide a plastic container which has a simple and practical structure, good sealing performance, is easy to open, and has lower production and use costs.
[0006] The solution of the utility model is achieved as follows: the utility model proposes a plastic container, including a box and a lid arranged on the box, the lid including a cover body, the cover body is provided with a pull ring for opening the cover, the outer periphery of the cover body is provided with a cover edge, and the cover edge extends horizontally outward; the box includes a box body, the box body is provided with a box edge that matches the cover edge, and the matching surface of the cover edge and the box edge is provided with a plurality of welding lines. In the plastic container of this structure, the cover edge extends horizontally outward without a downward vertical edge, so it saves more materials and has better economy. In addition, the box and the lid are fixed together by welding through a plurality of welding lines, which changes the traditional method of screwing the cover or snapping the cover and adding a sealing diaphragm, and has better sealing performance, is easy to open, safer, and simpler. Therefore, it has the advantages of simple and practical structure, good sealing performance, easy to open, and lower production and use costs.
[0007] Another technical solution of the utility model is that on the basis of the above, the cover body includes a pull plate, the outer periphery of the pull plate is provided with a tear line, the pull ring is arranged on the pull plate, and when the pull ring is pulled, the pull plate is opened along the tear line.
[0008] Another technical solution of the utility model is that on the basis of the above, the welding line includes a first welding line, and the first welding line is arranged on the edge of the cover or the edge of the box.
[0009] Another technical solution of the present invention is that on the basis of the above, the welding wire further includes a second welding wire with the same structure as the first welding wire, and the second welding wire is arranged on one side of the first welding wire.
[0010] Another technical solution of the utility model is that on the basis of the above, the corresponding positions of the first welding wire and the second welding wire are also provided with a first welding groove and a second welding groove matching the first welding wire and the second welding wire, and the first welding wire and the second welding wire are respectively placed in the first welding groove and the second welding groove.
[0011] Another technical solution of the utility model is that on the basis of the above, the height range of the first welding line and the second welding line is between 0.1mm and 2mm; the width range of the first welding line and the second welding line is between 0.2mm and 5mm; the distance between the first welding line and the second welding line is between 0.2mm and 4mm.
[0012] Another technical solution of the present invention is that on the basis of the above, the width of the box edge ranges from 2 mm to 20 mm, and the width of the cover edge is greater than the width of the box edge.
[0013] Another technical solution of the utility model is that on the basis of the above, the thickness of the first welding line and the second welding line is less than or equal to 2 mm, and the width of the box edge is less than or equal to 20 mm.
[0014] Another technical solution of the utility model is that on the basis of the above, a box step is further provided on the surface where the box body and the cover body cooperate, and when the cover body is covered on the box body, the cover body is placed on the box step.
[0015] Another technical solution of the utility model is that on the basis of the above, the cross-sectional shape of the box body is circular; or polygonal; or irregular. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.
[0017] Figure 1This is a structural schematic diagram of a plastic container of the utility model;
[0018] Figure 2 It is a cross-sectional schematic diagram of a plastic container of the utility model;
[0019] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the middle part A;
[0020] Figure 4 This is a schematic diagram of the reverse structure of a lid of a plastic container of the utility model;
[0021] Figure 5 This is a schematic diagram of the front structure of a lid of a plastic container of the utility model;
[0022] Figure 6 for Figure 5 A cross-sectional schematic diagram of
[0023] Figure 7 for Figure 6 Schematic diagram of the enlarged structure of part B in the middle.
[0024] The corresponding relationship of the reference numerals is:
[0025] 1 cover edge 2 cover body 3 pull ring
[0026] 4 boxes along 5 boxes body 6 boxes step
[0027] 7 first welding line 8 second welding line 9 easy tear line
[0028] 10 box bottom 11 pull plate DETAILED DESCRIPTION
[0029] The present invention is described in detail below in conjunction with the accompanying drawings. The description in this section is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present invention. In addition, those skilled in the art can make corresponding combinations of the features in the embodiments and in different embodiments of the present invention according to the description of this document.
[0030] The utility model embodiments are as follows, see Figures 1 to 7The plastic container shown specifically includes a box and a lid arranged on the box, wherein the lid specifically includes a lid body 2, on which a pull ring 6 for opening the lid is arranged, and on the periphery of the lid body 2 a lid edge 1 is arranged, and the lid edge 1 extends horizontally outward. As for the box, it specifically includes a box body 5, on which a box edge 4 cooperating with the lid edge 1 is arranged, and on the mating surfaces of the lid edge 1 and the box edge 4, a plurality of welding lines are arranged. In the plastic container of this structure, the lid edge 1 extends horizontally outward without a downward vertical edge, so that it saves more materials and has better economy. In addition, the box and the lid are fixed together by welding through a plurality of welding lines, which changes the traditional method of screwing the lid or snapping the lid and adding a sealing diaphragm, and has better sealing performance, is easy to open, is safer, and is simpler. Therefore, it has the advantages of simple and practical structure, good sealing performance, easy to open, and lower production and use costs.
[0031] Based on the above embodiment, in another embodiment of the utility model, as Figures 1 to 7 As shown, the cover body 2 includes a pull plate 11, and a tear line 9 is provided on the periphery of the pull plate 11. The pull ring 6 is arranged on the pull plate 11. When the cover needs to be opened, when the pull ring 6 is pulled, the pull plate 11 can be opened along the tear line 9, and the food in the box can be taken out.
[0032] Based on the above embodiment, in another embodiment of the utility model, as Figures 1 to 7 As shown, the welding wires specifically include first welding wires 7 , and the first welding wires 7 are specifically arranged on the cover edge 1 , and of course, can also be arranged on the box edge 4 .
[0033] Based on the above embodiment, in another embodiment of the utility model, as Figures 1 to 7 As shown, the welding wire also includes a second welding wire 8 having the same structure as the first welding wire 7 and arranged opposite to the first welding wire 7. The second welding wire 8 is arranged on one side of the first welding wire 7. Figure 3 As shown on the left side, the first welding line 7 is generally in the shape of a circular ring connected end to end, and its shape depends on the shape of the box.
[0034] Based on the above embodiment, in another embodiment of the utility model, as Figures 1 to 7 As shown, the corresponding positions of the first welding wire 7 and the second welding wire 8 are also provided with a first welding groove and a second welding groove matching the first welding wire 7 and the second welding wire 8, respectively, and the first welding wire 7 and the second welding wire 8 are placed in the first welding groove and the second welding groove, respectively.
[0035] Based on the above embodiment, in another embodiment of the utility model, as Figures 1 to 7As shown, the height range of the first welding line 7 and the second welding line 8 is preferably between 0.1 mm and 2 mm. The width range of the first welding line 7 and the second welding line 8 is preferably between 0.2 mm and 5 mm. The spacing distance between the first welding line 7 and the second welding line 8 is preferably between 0.2 mm and 4 mm.
[0036] Based on the above embodiment, in another embodiment of the utility model, as Figures 1 to 7 As shown, the width of the box edge 4 is preferably between 2 mm and 20 mm, the width of the cover edge 1 is greater than the width of the box edge 4, and the cover edge 1 extends horizontally outward and is arranged without vertical edges.
[0037] Based on the above embodiment, in another embodiment of the utility model, as Figures 1 to 7 As shown, the thickness of the first welding line 7 and the second welding line 8 is 2 mm, and the width of the box edge 4 is less than or equal to 20 mm.
[0038] Based on the above embodiment, in another embodiment of the utility model, as Figures 1 to 7 As shown, a box step 6 is also provided on the surface of the box body 5 that cooperates with the cover body. Figure 1 As shown, when the cover body 2 is covered on the box body 5, the lower edge of the cover body 2 is just placed on the box step 6.
[0039] Based on the above embodiment, in another embodiment of the utility model, as Figures 1 to 7 As shown, the cross-sectional shape of the box body 5 is circular, polygonal, or irregular, that is, the shape of the box body 5 can be cylindrical, truncated cone, polygonal, and other various irregular shapes, which are not limited here.
[0040] In addition, a box bottom 10 is provided at the bottom of the box body 5 , and the box bottom 10 is arranged inside the box body 5 .
[0041] As mentioned above, the plastic container of the above structure has a cover edge 1 extending horizontally outwards without downward drooping edges, thus saving more materials and being more economical. In addition, the box and the cover are fixed together by welding through a plurality of welding lines, which changes the traditional method of screwing the cover or snapping the cover and adding a sealing diaphragm, and has better sealing performance, is easy to open, safer, and simpler. Therefore, it has the advantages of simple and practical structure, good sealing performance, easy to open, and lower production and use costs.
[0042] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A plastic container, characterized in that: The invention comprises a box and a cover arranged on the box, wherein the cover comprises a cover body, a pull ring for opening the cover is arranged on the cover body, and a cover edge is arranged on the periphery of the cover body, and the cover edge extends outward horizontally; The box comprises a box body, the box body is provided with a box edge matched with the cover edge, and a plurality of welding lines are provided on the matching surfaces of the cover edge and the box edge.
2. The plastic container according to claim 1, characterized in that: The cover body comprises a pull plate, a tear line is arranged on the periphery of the pull plate, the pull ring is arranged on the pull plate, and when the pull ring is pulled, the pull plate is opened along the tear line.
3. The plastic container according to claim 2, characterized in that: The welding wires include first welding wires, and the first welding wires are arranged on the cover edge or the box edge.
4. The plastic container according to claim 3, characterized in that: The bonding wire further includes a second bonding wire having the same structure as the first bonding wire, and the second bonding wire is disposed on one side of the first bonding wire.
5. The plastic container according to claim 4, characterized in that: The corresponding positions of the first welding wire and the second welding wire are also respectively provided with a first welding groove and a second welding groove matching the first welding wire and the second welding wire, and the first welding wire and the second welding wire are respectively placed in the first welding groove and the second welding groove.
6. The plastic container according to claim 5, characterized in that: The height range of the first welding line and the second welding line is between 0.1 mm and 2 mm; The width of the first welding line and the second welding line ranges from 0.2 mm to 5 mm; The distance between the first welding line and the second welding line is between 0.2 mm and 4 mm.
7. The plastic container according to claim 6, characterized in that: The width of the box edge ranges from 2 mm to 20 mm, and the width of the cover edge is greater than the width of the box edge.
8. The plastic container according to claim 7, characterized in that: The thickness of the first welding line and the second welding line is 2 mm, and the width of the box edge is less than or equal to 20 mm.
9. The plastic container according to claim 8, characterized in that: A box step is also provided on the surface where the box body and the cover body cooperate. When the cover body is covered on the box body, the cover body is placed on the box step.
10. The plastic container according to claim 9, characterized in that: The cross-sectional shape of the box body is circular; or polygonal; or irregular.