CN213564848U - Dual-density EPP plate with energy absorption and buffering functions - Google Patents
Dual-density EPP plate with energy absorption and buffering functions Download PDFInfo
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- CN213564848U CN213564848U CN202022120575.0U CN202022120575U CN213564848U CN 213564848 U CN213564848 U CN 213564848U CN 202022120575 U CN202022120575 U CN 202022120575U CN 213564848 U CN213564848 U CN 213564848U
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Abstract
The utility model discloses a dual density EPP panel with energy-absorbing buffer function, including the low density skeleton, buffer board and high density buffer board down in the high density, the low density skeleton includes low density EPP board and a plurality of low density buffering strip, is equipped with spacer groove one between the adjacent low density buffering strip, and buffer board slip scarf joint is on the low density skeleton in the high density, including high density EPP board one and a plurality of high density buffering strip one, high density buffering strip bottom still is equipped with the spacing one that corresponds with the dashpot, and buffer board slip scarf joint is below the low density skeleton under the high density, including high density EPP board two and a plurality of high density buffering strip two, two upper ends of high density buffering strip still are equipped with the spacing two that correspond with the dashpot. In a word, the utility model has the advantages of novel structure, equipment convenience, energy-absorbing buffering effect are good.
Description
Technical Field
The utility model belongs to the technical field of the new material, specifically relate to a dual density EPP panel with energy-absorbing buffer function.
Background
EPP is an abbreviation of expanded polypropylene and is a abbreviation of a novel foam plastic. EPP is a polypropylene plastic foaming material, is a high-crystallization polymer/gas composite material with excellent performance, and becomes the environment-friendly novel compression-resistant buffering heat-insulating material with the fastest growth due to the unique and superior performance. EPP is also an environment-friendly material, can be recycled and can be naturally degraded without causing white pollution.
The EPP has the advantages of light specific gravity, good elasticity, shock resistance, compression resistance, high deformation recovery rate, good absorption performance, oil resistance, acid resistance, alkali resistance, resistance to various chemical solvents, no water absorption, insulation, heat resistance (-40-130 ℃), no toxicity and no odor, can be recycled by 100 percent, has almost no reduction in performance, and is a real environment-friendly foam plastic. EPP articles of various shapes can be molded from the EPP beads in the mold of the molding machine. EPP is widely applied to automobiles, such as bumper core materials, anti-collision blocks, roof and other lining parts, door filling, headrests, sun visors and the like, can save oil consumption and improve the safety factor of passengers. EPP is widely used in the packaging industry, such as electronic products, medical appliances and the like, and particularly in the packaging of export products, the EPP becomes an irreplaceable package according to the requirement of environmental protection. It is non-toxic and has high temperature resistance, so that it is widely used in food packing and microwave heating.
But the EPP panel buffer capacity of single density is limited, so the utility model designs a dual density EPP panel with energy-absorbing buffer function.
SUMMERY OF THE UTILITY MODEL
To the problem that exists, the utility model provides a dual density EPP panel with energy-absorbing buffer function.
The utility model provides a technical scheme is: a dual-density EPP plate with energy-absorbing and buffering functions mainly comprises a low-density framework, a high-density upper buffer plate and a high-density lower buffer plate which are mutually combined and connected,
the low-density framework comprises a low-density EPP plate and a plurality of low-density buffer strips which are equidistantly arranged on the upper surface and the lower surface of the low-density EPP plate, a first spacing groove is arranged between every two adjacent low-density buffer strips at intervals, a buffer groove is arranged at the end, close to the low-density EPP plate, of the first spacing groove,
the high-density upper buffer plate is embedded on the low-density framework in a sliding mode, the high-density upper buffer plate comprises a high-density EPP plate I and a plurality of high-density buffer strips I which are arranged on the lower surface of the high-density EPP plate in an equidistance mode, the high-density buffer strips I correspond to the low-density buffer strips on the upper surface of the low-density EPP plate, a spacing groove II is arranged between every two adjacent high-density buffer strips I at intervals, the spacing groove II corresponds to the low-density buffer strips on the upper surface of the low-density EPP plate, a limiting strip I corresponding to the spacing groove is further arranged at the bottom end of each high-density buffer strip I,
buffer board slip scarf joint under the high density is in below the low density skeleton, the buffer board includes that high density EPP board two and equidistance set up under the high density a plurality of high density buffering strip two of high density EPP board two upper surfaces, high density buffering strip two with the low density buffering strip of low density EPP board lower surface corresponds, and the interval is equipped with the spacer groove three between two adjacent high density buffering strip two, spacer groove three corresponds with the low density buffering strip of low density EPP board lower surface, two upper ends of high density buffering strip still be equipped with spacing strip two that the buffer groove corresponds.
Furthermore, the outer side surfaces of the low-density buffer strips at the two side ends of the low-density framework are planes which are flush with the side surfaces of the low-density EPP plate, so that the application is convenient.
Furthermore, the thickness of the first limiting strip and the second limiting strip is smaller than one half of the depth of the buffer groove, and a buffer room is reserved for the high-density buffer strip.
Furthermore, the first limiting strip, the second limiting strip and the buffer groove are connected in an adaptive mode, and assembly is facilitated.
Further, the density of the low-density framework is 50-60% of that of the high-density upper buffer plate or the high-density lower buffer plate.
Furthermore, the low-density framework, the high-density upper buffer plate and the high-density lower buffer plate are all integrally formed by adopting a die and are not easy to break.
The utility model discloses an equipment and theory of operation are:
the first high-density buffer strip of the high-density upper buffer plate corresponds to the first spacing groove on the upper surface of the low-density framework, the second natural spacing groove also corresponds to the low-density buffer strip, the high-density upper buffer plate is arranged above the low-density framework in a staggered sliding installation mode, the limiting strip at the lower end of the first high-density buffer strip is positioned in the buffer groove, and a buffer space is reserved in the buffer groove,
the high-density lower buffer plate is arranged below the low-density framework in a staggered movable installation mode by corresponding the high-density buffer strips II of the high-density lower buffer plate to the spacing grooves I on the lower surface of the low-density framework and corresponding the natural spacing grooves III to the low-density buffer strips, the limiting strips II on the upper ends of the high-density buffer strips II are arranged in the buffer grooves, and buffer spaces are reserved in the buffer grooves,
when the upper surface of dual density EPP panel received the impact, then impact force that high density buffering strip one of impact point position department received can exert an extrusion force and exert an extrusion force to the dashpot to two adjacent low density buffering strips respectively, low density buffering strip can carry out deformation buffering to the extrusion force, air in the dashpot also can cushion low density buffering strip, thereby offset the impact force that the upper surface of dual density EPP panel received, the impact force disappears the back, low density buffering strip restores to shape under the effect of internal stress, make the upper surface of dual density EPP panel reconversion, and the same reason, the lower surface when dual density EPP panel receives the impact, the principle is the same as above.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of dual density EPP panel with energy-absorbing buffer function, the low density skeleton, the buffer board all adopts mould integrated into one piece under buffer board and the high density on the high density, difficult fracture, through on the low density skeleton, below set up the high density buffer board that can built-up mounting, the energy-absorbing buffer capacity of EPP panel has been improved, the interval sets up low density buffering strip on the low density skeleton, set up the high density buffering strip with low density buffering strip dislocation on the high density buffer board, assemble through slidable mounting's mode, make the integrality of dual density EPP panel better, be difficult for droing, and be equipped with the dashpot between high density buffering strip and spacer groove one, leave the buffering leeway for high density buffering strip. In a word, the utility model has the advantages of novel structure, equipment convenience, energy-absorbing buffering effect are good.
Drawings
FIG. 1 is a schematic diagram of the separation structure of the dual density EPP plate of the present invention;
FIG. 2 is a schematic view of the dual density EPP plate assembly structure of the present invention;
FIG. 3 is a sectional view of the dual density EPP plate assembly of the present invention;
FIG. 4 is a schematic view of the low density skeleton structure of the present invention;
FIG. 5 is a schematic structural view of the high-density upper buffer plate of the present invention;
fig. 6 is a schematic structural view of the high-density lower buffer plate of the present invention.
Wherein, 1-low density framework, 11-low density EPP board, 12-low density buffer strip, 13-spacing groove I, 14-buffer groove, 2-high density upper buffer board, 21-high density EPP board I, 22-high density buffer strip I, 221-limiting strip I, 23-spacing groove II, 3-high density lower buffer board, 31-high density EPP board II, 32-high density buffer strip II, 321-limiting strip II and 33-spacing groove III.
Detailed Description
In order to facilitate understanding of the technical solution of the present invention, the present invention is further explained with reference to the accompanying fig. 1 to 6 and the specific embodiments, which do not limit the protection scope of the present invention.
As shown in figures 1-3, a dual density EPP board with energy absorption and buffering functions mainly comprises a low density framework 1, a high density upper buffer board 2 and a high density lower buffer board 3 which are mutually combined and connected, wherein the low density framework 1, the high density upper buffer board 2 and the high density lower buffer board 3 are all integrally formed by adopting a mould, the density of the low density framework 1 is 60 percent of that of the high density upper buffer board 2 or the high density lower buffer board 3,
as shown in fig. 4, the low-density framework 1 comprises a low-density EPP board 11 and a plurality of low-density buffer strips 12 equidistantly arranged on the upper and lower surfaces of the low-density EPP board 11, and a first spacing groove 13 is arranged between two adjacent low-density buffer strips 12 at intervals, a buffer groove 14 is arranged at the end of the first spacing groove 13 close to the low-density EPP board 11, the outer side surfaces of the low-density buffer strips 12 at the two side ends of the low-density framework 1 are planes which are flush with the side surfaces of the low-density EPP board 11,
the high-density upper buffer plate 2 is embedded on the low-density framework 1 in a sliding way, as shown in fig. 5, the high-density upper buffer plate 2 comprises a high-density EPP plate 21 and a plurality of high-density buffer strips 22 which are equidistantly arranged on the lower surface of the high-density EPP plate 21, the high-density buffer strips 22 correspond to the low-density buffer strips 12 on the upper surface of the low-density EPP plate 11, two spacing grooves 23 are arranged between two adjacent high-density buffer strips 22 at intervals, the spacing grooves 23 correspond to the low-density buffer strips 12 on the upper surface of the low-density EPP plate 11, the bottom ends of the high-density buffer strips 22 are also provided with first limit strips 221 corresponding to the buffer grooves 14,
the high-density lower buffer plate 3 is embedded below the low-density framework 1 in a sliding manner, as shown in fig. 6, the high-density lower buffer plate 3 comprises a second high-density EPP plate 31 and a plurality of second high-density buffer strips 32 which are equidistantly arranged on the upper surface of the second high-density EPP plate 31, the second high-density buffer strips 32 correspond to the low-density buffer strips 12 on the lower surface of the low-density EPP plate 11, a third spacing groove 33 is arranged between two adjacent second high-density buffer strips 32 at intervals, the third spacing groove 33 corresponds to the low-density buffer strips 12 on the lower surface of the low-density EPP plate 11, a second limiting strip 321 corresponding to the buffer groove 14 is further arranged at the upper end of the second high-density buffer strips 32,
the thicknesses of the first limiting strip 221 and the second limiting strip 321 are smaller than one half of the depth of the buffer groove 14, and the first limiting strip 221, the second limiting strip 321 and the buffer groove 14 are connected in a matched mode.
The assembly and working principle of the embodiment are as follows:
the first high-density buffer strip 22 of the upper high-density buffer plate 2 corresponds to the first spacing groove 13 on the upper surface of the low-density framework 1, the second natural spacing groove 23 also corresponds to the low-density buffer strip 12, the upper high-density buffer plate 2 is arranged above the low-density framework 1 in a staggered sliding installation mode, the first limiting strip 221 at the lower end of the first high-density buffer strip 22 is positioned in the buffer groove 14, and a buffer space is reserved in the buffer groove 14,
the second high-density buffer strip 32 of the lower high-density buffer plate 3 corresponds to the first spacing groove 13 on the lower surface of the lower low-density framework 1, the third natural spacing groove 33 also corresponds to the low-density buffer strip 12, the lower high-density buffer plate 3 is arranged below the low-density framework 1 in a staggered movable installation mode, the second limit strip 321 at the upper end of the second high-density buffer strip 32 is positioned in the buffer groove 14, and a buffer space is reserved in the buffer groove 14,
when the upper surface of dual density EPP panel received the impact, then impact force that high density buffering strip 22 of impact point position department received can exert an extrusion force to two adjacent low density buffering strips 12 respectively and exert an extrusion force to dashpot 14, low density buffering strip 12 can carry out deformation buffering to the extrusion force, air in dashpot 14 also can cushion low density buffering strip 12, thereby offset the impact force that the upper surface of dual density EPP panel received, the impact force disappears the back, low density buffering strip 12 restores to deform under the effect of internal stress, make the upper surface of dual density EPP panel restore to the original state, and in the same way, the lower surface when dual density EPP panel received the impact, the principle is the same as above.
Claims (6)
1. A dual-density EPP plate with energy absorption and buffering functions is characterized by mainly comprising a low-density framework (1), a high-density upper buffer plate (2) and a high-density lower buffer plate (3) which are mutually combined and connected,
the low-density framework (1) comprises a low-density EPP plate (11) and a plurality of low-density buffer strips (12) which are equidistantly arranged on the upper surface and the lower surface of the low-density EPP plate (11), a first spacing groove (13) is arranged between every two adjacent low-density buffer strips (12) at intervals, a buffer groove (14) is arranged at the end, close to the low-density EPP plate (11), of the first spacing groove (13),
the high-density upper buffer plate (2) is in sliding scarf joint with the low-density framework (1), the high-density upper buffer plate (2) comprises a high-density EPP plate I (21) and a plurality of high-density buffer strips I (22) which are arranged on the lower surface of the high-density EPP plate I (21) in an equidistance mode, the high-density buffer strips I (22) correspond to the low-density buffer strips (12) on the upper surface of the low-density EPP plate (11), two spacing grooves II (23) are arranged between every two adjacent high-density buffer strips I (22) at intervals, the spacing grooves II (23) correspond to the low-density buffer strips (12) on the upper surface of the low-density EPP plate (11), and the bottom ends of the high-density buffer strips I (22) are further provided with limiting strips I (221) corresponding to the buffer grooves (14),
buffer board (3) slip scarf joint under the high density is in below low density skeleton (1), buffer board (3) are in including high density EPP board two (31) and equidistance setting under the high density a plurality of high density buffering strip two (32) of high density EPP board two (31) upper surface, high density buffering strip two (32) with low density buffering strip (12) of low density EPP board (11) lower surface correspond, and the interval is equipped with spacer groove three (33) between two adjacent high density buffering strip two (32), spacer groove three (33) correspond with low density buffering strip (12) of low density EPP board (11) lower surface, high density buffering strip two (32) upper end still be equipped with spacing strip two (321) that buffer groove (14) correspond.
2. The dual density EPP plate with energy absorbing and cushioning functions as claimed in claim 1, wherein the outer side surfaces of the low density cushioning strips (12) at both side ends of the low density skeleton (1) are flat surfaces which are flush with the side surfaces of the low density EPP plate (11).
3. The dual-density EPP plate with energy absorption and buffer functions as claimed in claim 1, wherein the thickness of the first and second spacing strips (221, 321) is less than half of the depth of the buffer groove (14).
4. The dual-density EPP plate with energy absorption and buffer functions as claimed in claim 1, wherein the first limit strip (221), the second limit strip (321) and the buffer groove (14) are connected in a fitting manner.
5. The dual density EPP plate with energy absorbing and buffering functions as claimed in claim 1, wherein the density of the low density skeleton (1) is 50-60% of that of the high density upper cushion plate (2) or the high density lower cushion plate (3).
6. The dual density EPP plate with energy absorption and buffering functions as claimed in claim 1, wherein the low density frame (1), the high density upper buffer plate (2) and the high density lower buffer plate (3) are integrally formed by using a mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022120575.0U CN213564848U (en) | 2020-09-24 | 2020-09-24 | Dual-density EPP plate with energy absorption and buffering functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022120575.0U CN213564848U (en) | 2020-09-24 | 2020-09-24 | Dual-density EPP plate with energy absorption and buffering functions |
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| CN213564848U true CN213564848U (en) | 2021-06-29 |
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| CN202022120575.0U Active CN213564848U (en) | 2020-09-24 | 2020-09-24 | Dual-density EPP plate with energy absorption and buffering functions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541678A (en) * | 2022-03-24 | 2022-05-27 | 安徽永锋防护科技股份有限公司 | Combined EPP plate convenient for adjusting use area and adjusting method |
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2020
- 2020-09-24 CN CN202022120575.0U patent/CN213564848U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541678A (en) * | 2022-03-24 | 2022-05-27 | 安徽永锋防护科技股份有限公司 | Combined EPP plate convenient for adjusting use area and adjusting method |
| CN114541678B (en) * | 2022-03-24 | 2024-10-18 | 安徽永锋防护科技股份有限公司 | Combined EPP plate convenient for adjusting use area and adjusting method |
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