Waterproof packaging carton
By introducing components such as annular elastic bands, short shafts, lifting straps, limiting blocks, sealing rings, protective rings, and sponge pads into the packaging boxes, the problem of water seepage between the cover and the box body is solved, achieving better waterproofing and a more convenient user experience.
Patent Information
- Application Number
- CN202423157172.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing packaging boxes are prone to water seepage at the gap between the lid and the box body, resulting in poor waterproofing.
The box body and lid are designed with a connection structure, including components such as annular elastic band, short shaft, lifting strap, limiting block, sealing ring, protective ring and sponge pad. The use of these components together enhances the airtightness of the box body and lid, preventing water from seeping in from the gaps.
It effectively improves the waterproof performance of the packaging box, preventing water from seeping in through the gaps between the lid and the box body, while also facilitating the opening and movement of the lid.
Smart Images
Figure CN223479652U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of packaging box technology, and in particular to a waterproof packaging paper box. Background Technology
[0002] A packaging box is a box used for packaging, fixing, protecting, and displaying goods or items. It is usually made of paper, plastic, wood, metal, or other materials. Patent publication number CN218777862U discloses a packaging paper box. By setting a wear-resistant layer, heat insulation layer, base layer, compression-resistant layer, and waterproof layer on the paper box body, the paper box body has good wear-resistant and compression-resistant properties, and improves the strength of the paper box body.
[0003] However, there is a problem in implementing the above solution: when the cover is placed on top of the cardboard box, there will be a certain gap between the two. This gap may become a channel for water to seep in, making it easy for water to seep in from the gap between the cardboard box and the cover, thereby reducing the overall waterproof effect. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art, the present invention provides a waterproof packaging cardboard box.
[0005] The technical solution of this utility model is as follows: a waterproof packaging cardboard box, including a box body, a box lid and an annular elastic band. The box body is a shell with an opening on the top side. A bending part is provided on the upper part of the box body. The bending part is used to expand the horizontal cross-sectional dimension of the opening of the box body. A box lid is movably provided on the top of the box body. An annular elastic band is fitted on the upper outer wall of the box body.
[0006] In one embodiment, the box also includes short shafts, lifting straps, and limiting blocks. Short shafts are fixedly connected to the outer walls of the left and right sides of the box, and a lifting strap is rotatably connected between the two short shafts. Limiting blocks are fixedly connected symmetrically to the top of the box lid, and the lifting straps pass through the two limiting blocks respectively.
[0007] In one embodiment, a sealing ring is also included, and a groove is provided at the bottom of the lid, with the sealing ring provided at the groove.
[0008] In one embodiment, a protective ring is also included, which is fixedly connected to the lower side of the outer wall of the box.
[0009] In one embodiment, a limiting ring is also included, which is fixedly connected to the upper side of the outer wall of the box.
[0010] In one embodiment, a sponge pad is also included, with a sponge pad provided on the lower side of the inside of the box.
[0011] The beneficial effects of this utility model are as follows: 1. By setting an elastic band, the elastic band slides upward along the outer wall of the box. As the elastic band slides, it is gradually tightened, thereby applying an inward pressure to the upper part of the box. This pressure makes the lower part of the lid fit more tightly with the upper part of the box, effectively preventing water from flowing in from the gap between the lid and the box, thus achieving a better waterproof effect.
[0012] 2. By setting short shafts and lifting straps, the box body and lid are connected together, making it less likely to be lost after the lid is opened. At the same time, the lifting straps can also be used as lifting handles to facilitate moving the box body. Attached Figure Description
[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0014] Figure 2 This is a three-dimensional structural diagram of the protective ring, limiting ring, and sponge pad of this utility model.
[0015] Figure 3 This is a three-dimensional structural diagram of the lifting belt box limiting block and other components of this utility model.
[0016] Figure 4 This is a three-dimensional structural diagram of the sealing ring of this utility model.
[0017] The markings in the diagram are: 1-box body, 2-bent section, 3-box lid, 4-ring elastic band, 5-short shaft, 6-lifting strap, 7-limiting block, 8-groove, 81-sealing ring, 9-protective ring, 10-limiting ring, 11-sponge pad. Detailed Implementation
[0018] The present invention will now be described more fully below with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. However, the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness and to fully convey the scope of the invention to those skilled in the art.
[0019] Example: A waterproof packaging cardboard box, such as Figures 1-4 As shown, it includes a box body 1, a lid 3, and an annular elastic band 4. The box body 1 is a shell with an opening on the top. A bending part 2 is provided on the upper part of the box body 1. The bending part 2 is used to expand the horizontal cross-sectional dimension of the opening of the box body 1, so that the horizontal cross-sectional dimension of the upper part of the box body 1 is greater than that of the lower part of the box body 1. The lid 3 is movably provided on the top of the box body 1. An annular elastic band 4 is fitted on the upper outer wall of the box body 1. Initially, the annular elastic band 4 is located in the middle of the outer wall of the box body 1 and is in a slightly taut state.
[0020] First, the user places the item inside the box 1, and then snaps the lid 3 onto the opening at the top of the box 1. Initially, the elastic band is located at the middle of the outer wall of the box 1 and is slightly taut, ensuring that it will not slip off the outer wall of the box 1. After the lid 3 is in place, the user slides the elastic band upward along the outer wall of the box 1 to its upper side. Because the box 1 has a bend 2, the elastic band will gradually tighten as it passes the bend 2. When the elastic band reaches the top, its taut state will apply an inward pressure to the box 1, keeping the box 1 and the lid 3 tightly attached, thereby effectively preventing water from flowing in from the gap between the box 1 and the lid 3, thus achieving a better waterproof effect.
[0021] like Figure 1 and Figure 3 As shown, it also includes a short shaft 5, a lifting strap 6, and a limiting block 7. Short shafts 5 are glued and fixed to the outer walls of both sides of the box body 1. A lifting strap 6 is rotatably connected between the two short shafts 5. Limiting blocks 7 are symmetrically glued and fixed to the top of the box cover 3. The lifting strap 6 passes through the two limiting blocks 7 respectively. The lifting strap 6 can slide in the two limiting blocks 7, so that the box cover 3 can be lifted upward without being restricted by the lifting strap 6.
[0022] The short shaft 5, the lifting strap 6, and the limiting block 7 connect the lid 3 to the box body 1, preventing the lid 3 from being lost after being opened. At the same time, the lifting strap 6 can also be used as a lifting handle to facilitate the user to move the box body 1.
[0023] like Figure 2 and Figure 4 As shown, it also includes a sealing ring 81. A groove 8 is provided at the lower part of the box cover 3, and a sealing ring 81 is provided at the groove 8 at the lower part of the box cover 3.
[0024] By setting a sealing ring 81, the airtightness between the box body 1 and the box cover 3 is improved, further preventing water from flowing in from the gap between the box cover 3 and the box body 1.
[0025] like Figure 1 and Figure 3 As shown, it also includes a protective ring 9, which is glued and fixed to the lower side of the outer wall of the box body 1. The protective ring 9 is made of plastic.
[0026] By setting up the protective ring 9, the bottom corners of the box 1 are effectively protected, preventing the waterproof effect from decreasing due to wear and tear on the corners of the box 1.
[0027] like Figure 2 and Figure 3 As shown, it also includes a limiting ring 10, which is bonded and fixed to the upper side of the outer wall of the box 1.
[0028] By setting a limiting ring 10, the highest position of the upward sliding of the annular elastic band 4 is limited, thus preventing the annular elastic band 4 from detaching from the box body 1.
[0029] like Figure 2 As shown, it also includes a sponge pad 11, which is glued and fixed to the lower side of the inside of the box 1.
[0030] By setting up the sponge pad 11, the items placed inside the box 1 are protected, providing a good cushioning effect.
[0031] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.
Claims
1. A waterproof packaging cardboard box, characterized in that: It includes a box body (1), a box cover (3) and an annular elastic band (4). The box body (1) is a shell with an opening on the top. A bending part (2) is provided on the upper part of the box body (1). The bending part (2) is used to expand the horizontal cross-sectional dimension of the opening of the box body (1). The box cover (3) is movably provided on the top of the box body (1). An annular elastic band (4) is fitted on the upper outer wall of the box body (1).
2. A waterproof packaging box as described in claim 1, characterized in that: It also includes a short shaft (5), a lifting strap (6) and a limiting block (7). The short shaft (5) is fixedly connected to the outer walls on both sides of the box body (1). The lifting strap (6) is rotatably connected between the two short shafts (5). The limiting blocks (7) are fixedly connected to the top of the box cover (3) on both sides. The lifting strap (6) passes through the two limiting blocks (7) respectively.
3. A waterproof packaging cardboard box as described in claim 2, characterized in that: It also includes a sealing ring (81), and a groove (8) is provided at the bottom of the box cover (3), and a sealing ring (81) is provided at the groove (8) at the bottom of the box cover (3).
4. A waterproof packaging cardboard box as described in claim 3, characterized in that: It also includes a protective ring (9), which is fixedly connected to the lower side of the outer wall of the box (1).
5. A waterproof packaging cardboard box as described in claim 4, characterized in that: It also includes a limiting ring (10), which is fixedly connected to the upper side of the outer wall of the box (1).
6. A waterproof packaging cardboard box as described in claim 5, characterized in that: It also includes a sponge pad (11), and a sponge pad (11) is provided on the lower side of the inside of the box body (1).