CN109334134B - Sandwich board with lattice structure - Google Patents
Sandwich board with lattice structure Download PDFInfo
- Publication number
- CN109334134B CN109334134B CN201811101628.5A CN201811101628A CN109334134B CN 109334134 B CN109334134 B CN 109334134B CN 201811101628 A CN201811101628 A CN 201811101628A CN 109334134 B CN109334134 B CN 109334134B
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- hole
- cup joint
- cup
- sucker
- lattice
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
Abstract
The invention discloses a sandwich board with a lattice structure, which comprises a pair of panels arranged at intervals, wherein the inner side surfaces of the pair of panels are connected with a plurality of suckers arranged in a lattice manner, and the suckers on two sides are connected through connecting columns. The sandwich board has the advantages of simple structure and convenient assembly.
Description
Technical Field
The invention mainly relates to the technical field of sandwich boards, in particular to a sandwich board with a lattice structure.
Background
The existing sandwich board comprises an upper panel, a lower panel and round tenons which are arranged in a lattice mode and play a supporting role in the middle, hole positions on the back faces of the upper panel and the lower panel are determined according to the size of a lattice cell element, the round tenons are connected with all hole positions on a first panel and then connected with a second panel during assembly, the operation of the round tenons is simple, the difficulty level of the round tenons depends on the deviation values of technological parameters such as the size of a drilled hole and the hole positions, the machining precision of the drilled hole is required to be very high, the high precision of each hole is difficult to guarantee in reality, and even if one hole has a problem, the assembly cannot be carried. Therefore, the traditional straight column lattice structural plate connected by the tenon holes is difficult to realize. And the connection of the sandwich plates with the V-shaped, triangular pyramid-shaped, rectangular pyramid-shaped and other oblique column lattice structures by the tenon holes cannot be realized.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the sandwich board with the lattice structure, which has a simple structure and is convenient to assemble.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a sandwich panel of dot matrix structure, includes a pair of interval arrangement's panel, and is a pair of the inboard surface connection of panel has a plurality of sucking discs that are the dot matrix and arrange, and each sucking disc of both sides all forms the connection through the spliced pole.
As a further improvement of the above technical solution:
structural adhesive is coated between the suction cups and the surfaces of the panels at the corresponding ends.
The sucking disc is a plastic disc with a low middle part and a high periphery.
The one side that the sucking disc is close to the spliced pole is provided with cup joints the round platform, be provided with the hole of cup jointing on the round platform of cup jointing, the sucking disc is kept away from the one side center of spliced pole and is provided with the exhaust hole, the exhaust hole with cup joint the hole intercommunication, the both ends of each spliced pole and the cup joint hole interference fit of the round platform of cup jointing of corresponding side.
And structural glue is coated between the connecting column and the sleeving hole.
The cup joint hole is arranged at the circle center of the cup joint round platform, the central line of the cup joint hole is perpendicular to the panel, the positions of the suckers on the two sides are in a right corresponding relation, and the connecting column is in interference fit with the cup joint holes on the two sides which are in right corresponding positions.
The honeycomb sandwich is respectively glued with the inner side surfaces of the two panels, and each sucker is just positioned in a honeycomb hole at the corresponding position of the honeycomb sandwich.
The cup joint round platform is provided with two symmetrical conical surfaces, the two conical surfaces are provided with the cup joint holes, the central line of the cup joint holes is perpendicular to the corresponding conical surfaces, the orthographic projection of the sucker on one side is positioned between the two adjacent suckers on the other side and on the same straight line, and the two cup joint holes of the sucker on one side are connected with the cup joint holes of the two adjacent suckers on the other side through the connecting columns.
The cup joint round platform is provided with three conical surfaces which are uniformly arranged, each conical surface is provided with the cup joint hole, the central line of the cup joint hole is perpendicular to the corresponding conical surface, the orthographic projection of the sucker on one side is positioned between the three adjacent suckers on the other side, and the three cup joint holes of the sucker on one side are connected with the cup joint holes of the three adjacent suckers on the other side through the three connecting columns.
The cup joint round platform is provided with four conical surfaces which are uniformly arranged, each conical surface is provided with the cup joint hole, the central line of the cup joint hole is perpendicular to the corresponding conical surface, the orthographic projection of the sucker on one side is positioned between the four adjacent suckers on the other side, and the four cup joint holes of the sucker on one side are connected with the cup joint holes of the four adjacent suckers on the other side through the four connecting columns.
Compared with the prior art, the invention has the advantages that:
the sandwich panel with the lattice structure comprises a pair of panels which are arranged at intervals, wherein the inner side surfaces of the pair of panels are connected with a plurality of suckers which are arranged in a lattice manner, and the suckers on two sides are connected through connecting columns. When the sandwich board is assembled, the suckers are fixed at two ends of the connecting column to form cell elements, and then the cell elements are arranged along the space between the pair of panels in a dot matrix manner, so that the suckers are fixedly connected with the surfaces of the corresponding end panels. Compared with the traditional structure, the panel of the sandwich panel does not need to be drilled, the number of the cell elements and the intervals of the cell elements can be adjusted randomly according to the strength requirement required by the whole panel, the whole installation does not have accurate matching of column holes, the structure is simple, and the convenience of assembly is greatly improved.
Drawings
Fig. 1 is an exploded perspective view of embodiment 1 of the present invention.
Fig. 2 is an exploded perspective view of a core layer in example 1 of the present invention.
Fig. 3 is a schematic structural view of a suction cup in embodiment 1 of the present invention.
Fig. 4 is an exploded perspective view (with honeycomb sandwich) of example 1 of the present invention.
Fig. 5 is an exploded perspective view of embodiment 2 of the present invention.
Fig. 6 is a schematic top view of embodiment 2 of the present invention.
Fig. 7 is an exploded perspective view of a core layer in example 2 of the present invention.
Fig. 8 is a schematic structural view of a suction cup in embodiment 2 of the present invention.
Fig. 9 is an exploded perspective view of embodiment 3 of the present invention.
Fig. 10 is a schematic top view of embodiment 3 of the present invention.
Fig. 11 is an exploded perspective view of embodiment 4 of the present invention.
Fig. 12 is a schematic top view of embodiment 4 of the present invention.
Fig. 13 is an exploded perspective view of a core layer in example 4 of the present invention.
Fig. 14 is a schematic structural view of a suction cup in embodiment 4 of the present invention.
Fig. 15 is an exploded perspective view of embodiment 5 of the present invention.
Fig. 16 is a schematic top view of embodiment 5 of the present invention.
Fig. 17 is an exploded perspective view of a core layer in example 5 of the present invention.
Fig. 18 is a schematic structural view of a suction cup in embodiment 5 of the present invention.
Fig. 19 is a schematic top view of embodiment 6 of the present invention.
Fig. 20 is a schematic top view of embodiment 7 of the present invention.
The reference numerals in the figures denote:
1. a panel; 2. connecting columns; 3. a suction cup; 31. a circular truncated cone is sleeved; 32. sleeving a hole; 33. an exhaust hole; 34. a conical surface; 4. a honeycomb interlayer; 41. and (4) honeycomb holes.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
Example 1:
fig. 1 to 4 show a first embodiment of a sandwich panel with a lattice structure according to the invention, which comprises a pair of panels 1 arranged at intervals, wherein a plurality of suckers 3 arranged in a lattice manner are connected to the inner side surfaces of the pair of panels 1, and the suckers 3 on both sides are connected through connecting columns 2. When the sandwich panel is assembled, the suckers 3 are fixed at two ends of the connecting column 2 to form cell elements, and then the cell elements are arranged along the space between the pair of panels 1 in a dot matrix manner, so that the suckers 3 are fixedly connected with the surfaces of the corresponding end panels 1. Compared with the traditional structure, the panel 1 of the sandwich panel does not need to be drilled, the number of the cell elements and the intervals of the cell elements can be adjusted randomly according to the strength requirement required by the whole panel, the whole installation does not have accurate matching of column holes, the structure is simple, and the convenience of assembly is greatly improved.
In this embodiment, the structural adhesive is coated between the suction cup 3 and the surface of the panel 1 at the corresponding end. In this structure, sucking disc 3 produces suction to panel 1, and the rethread structure is glued and is formed the bonding (the structure is glued and can be coated on panel 1, also can coat on sucking disc 3), has further improved the joint strength between cell element and the panel 1.
In this embodiment, the suction cup 3 is a plastic plate with a low middle and a high peripheral edge. The arrangement is that only pressing is needed during installation, the middle plastic disc with the low periphery and the high periphery is extruded, and then structural glue is matched to form strong bonding.
In this embodiment, one side of the suction cup 3 close to the connecting column 2 is provided with a sleeving circular truncated cone 31, the sleeving circular truncated cone 31 is provided with a sleeving hole 32, the center of one side of the suction cup 3 far away from the connecting column 2 is provided with an exhaust hole 33, the exhaust hole 33 is communicated with the sleeving hole 32, and two ends of each connecting column 2 are in interference fit with the sleeving hole 32 of the sleeving circular truncated cone 31 on the corresponding side. Set up like this and make spliced pole 2 and sucking disc 3 be removable structure, spliced pole 2 can adopt the material that is different from sucking disc 3 when the preparation like wooden, steel etc. can be according to the required intensity of whole panel selection spliced pole 2 corresponding support intensity, spliced pole 2 again with cup joint hole 32 interference fit to guarantee joint strength, exhaust hole 33 makes can discharge the air when sucking disc 3 extrudees, has further improved suction, its simple structure, design benefit.
In this embodiment, a structural adhesive is coated between the connecting column 2 and the sleeving hole 32. The connecting column 2 and the sleeving hole 32 are further bonded through structural adhesive, so that the connecting strength between the connecting column 2 and the sucker 3 is greatly improved.
In this embodiment, the sleeving hole 32 is arranged at the center of the sleeving circular truncated cone 31, the center line of the sleeving hole 32 is perpendicular to the panel 1, the positions of the suckers 3 on the two sides are in a corresponding relationship, and the connecting column 2 is in interference fit with the sleeving holes 32 on the two sides corresponding to the positions. The arrangement is such that the connecting columns 2 are vertically arranged, namely, a straight column type lattice structure is formed, and the structure is simple and practical.
In this embodiment, the honeycomb sandwich structure further includes a honeycomb sandwich layer 4, the honeycomb sandwich layer 4 is respectively glued to the inner side surfaces of the two panels 1, and each suction cup 3 is exactly located in a honeycomb hole 41 at a corresponding position of the honeycomb sandwich layer 4. In the structure, a core layer of a mixed structure is formed by combining a lattice structure of the cell and a honeycomb structure, so that the transverse shear strength is ensured.
Example 2:
fig. 5 to 8 show a second embodiment of a sandwich panel of a lattice structure of the invention, which is substantially identical to embodiment 1, except that: in this embodiment, the sleeving round table 31 is provided with two symmetrical conical surfaces 34, the two conical surfaces 34 are provided with sleeving holes 32, the central line of the sleeving hole 32 is perpendicular to the corresponding conical surface 34, the orthographic projection of the sucker 3 on one side is located between the two adjacent suckers 3 on the other side and on the same straight line, and the two sleeving holes 32 of the sucker 3 on one side are connected with the sleeving holes 32 of the two adjacent suckers 3 on the other side through the two connecting columns 2. In this structure, two of one side sucking disc 3 cup joint the hole 32 through two spliced poles 2 connection opposite side two adjacent sucking discs 3 cup joint the hole 32, have formed V type dot matrix structure cell element promptly in same row or same row for spliced pole 2 formation connection relation that the sucking disc 3 of same side arranged through the V type has further improved joint strength.
Example 3:
fig. 9 to 10 show a third embodiment of a sandwich panel of a lattice structure of the invention, which is substantially identical to embodiment 1, except that: in the present embodiment, in the whole core structure, each row and each column form a V-shaped lattice structure cell, and the V-shaped connection pillars 2 of the rows and the columns are arranged in a cross manner, i.e., the transverse shear strength is improved.
Example 4:
fig. 11 to 14 show a fourth embodiment of a sandwich panel of a lattice structure of the invention, which is substantially identical to embodiment 1, except that: in this embodiment, the sleeving round table 31 is provided with three conical surfaces 34 which are uniformly arranged, each conical surface 34 is provided with a sleeving hole 32, the central line of each sleeving hole 32 is perpendicular to the corresponding conical surface 34, the orthographic projection of the suction cup 3 on one side is located between the three adjacent suction cups 3 on the other side, and the three sleeving holes 32 of the suction cup 3 on one side are connected with the sleeving holes 32 of the three adjacent suction cups 3 on the other side through the three connecting posts 2. In this structure, the three hole 32 that cup joints of 3 adjacent three sucking discs of opposite side of the three hole 32 that cup joints of 3 through three spliced poles 2 connection of one side sucking disc has formed the triangular prism lattice structure cell element promptly, and every sucking disc 3 supports by the triangular supports frame that three spliced poles 2 formed, and stable in structure is reliable, and horizontal shear strength and joint strength all obtain very big optimization.
Example 5:
fig. 15 to 18 show a fifth embodiment of a sandwich panel of a lattice structure of the invention, which is substantially identical to embodiment 1, except that: in this embodiment, the sleeving round table 31 is provided with four conical surfaces 34 which are uniformly arranged, each conical surface 34 is provided with a sleeving hole 32, the central line of each sleeving hole 32 is perpendicular to the corresponding conical surface 34, the orthographic projection of the sucker 3 on one side is located between the adjacent four suckers 3 on the other side, and the four sleeving holes 32 of the sucker 3 on one side are connected with the sleeving holes 32 of the adjacent four suckers 3 on the other side through the four connecting columns 2. In this structure, four cup joint holes 32 of one side sucking disc 3 connect the cup joint hole 32 of the adjacent four sucking discs 3 of opposite side through four spliced poles 2, have formed the quadrangular lattice structure cell element promptly, and every sucking disc 3 is supported by the toper support frame that four spliced poles 2 formed, and stable in structure is reliable, and its horizontal shear strength and joint strength all obtain very big optimization equally.
Example 6:
fig. 19 shows a sixth embodiment of a sandwich panel of a lattice structure of the invention, which is substantially identical to embodiment 1 except that: the embodiment is the combination of the quadrangular prism dot matrix cell element in embodiment 5 and the V-shaped dot matrix cell element in embodiment 2, that is, the sucker 3 on one side is set to be the sucker 3 with four sleeving holes 32, the sucker 3 on the other side is set to be the sucker 3 with two sleeving holes 32, and finally the rectangular dot matrix is formed by combination.
Example 7:
fig. 20 shows a seventh embodiment of a sandwich panel of a lattice structure of the invention, which is substantially identical to embodiment 1 except that: the embodiment is the combination of the V-shaped dot matrix cell in embodiment 2 and the triangular prism dot matrix cell in embodiment 4, that is, the suction cup 3 on one side is set to be the suction cup 3 with three sleeving holes 32, the suction cup 3 on the other side is set to be the suction cup 3 with two sleeving holes 32, and finally the combination forms a plurality of regular hexagonal dot matrixes, so that the structure is stable and reliable, and the transverse shearing strength and the connection strength are greatly optimized.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (9)
1. A sandwich panel with a lattice structure is characterized in that: the suction cup comprises a pair of panels (1) which are arranged at intervals, wherein the inner side surfaces of the pair of panels (1) are connected with a plurality of suction cups (3) which are arranged in a dot matrix manner, and the suction cups (3) on two sides are connected through connecting columns (2); the one side that sucking disc (3) are close to spliced pole (2) is provided with cup joints round platform (31), cup joint and be provided with on round platform (31) and cup joint hole (32), the one side center that spliced pole (2) were kept away from in sucking disc (3) is provided with exhaust hole (33), exhaust hole (33) and cup joint hole (32) intercommunication, the both ends of each spliced pole (2) and the cup joint hole (32) interference fit of cup jointing round platform (31) of corresponding side.
2. A sandwich panel of lattice structure according to claim 1, wherein: structural adhesive is coated between the surface of the panel (1) at the corresponding end and the sucker (3).
3. A sandwich panel of lattice structure according to claim 2, wherein: the sucking disc (3) is a plastic disc with a low middle part and a high periphery.
4. A sandwich panel of lattice structure according to any one of claims 1 to 3, wherein: structural glue is coated between the connecting column (2) and the sleeving hole (32).
5. The lattice-structured sandwich panel according to claim 4, wherein: the sleeving hole (32) is arranged at the circle center position of the sleeving round table (31), the central line of the sleeving hole (32) is perpendicular to the panel (1), the positions of the suckers (3) on the two sides are in a right corresponding relation, and the connecting column (2) is in interference fit with the sleeving hole (32) in the right corresponding position on the two sides.
6. The lattice-structured sandwich panel according to claim 5, wherein: the novel honeycomb structure is characterized by further comprising a honeycomb interlayer (4), wherein the honeycomb interlayer (4) is respectively bonded with the inner side surfaces of the two panels (1), and each sucking disc (3) is just positioned in a honeycomb hole (41) at the corresponding position of the honeycomb interlayer (4).
7. The lattice-structured sandwich panel according to claim 4, wherein: the cup joint is characterized in that two symmetrical conical surfaces (34) are arranged on the cup joint round table (31), the two conical surfaces (34) are respectively provided with the cup joint hole (32), the central line of the cup joint hole (32) is perpendicular to the corresponding conical surface (34), the orthographic projection of the sucker (3) on one side is positioned between the two adjacent suckers (3) on the other side and positioned on the same straight line, and the two cup joint holes (32) of the sucker (3) on one side are connected with the cup joint hole (32) of the two adjacent suckers (3) on the other side through the connecting column (2).
8. The lattice-structured sandwich panel according to claim 4, wherein: the cup joint is characterized in that three conical surfaces (34) which are uniformly arranged are arranged on the cup joint round table (31), each conical surface (34) is provided with the cup joint hole (32), the central line of the cup joint hole (32) is perpendicular to the corresponding conical surface (34), the orthographic projection of the sucker (3) on one side is positioned between the three adjacent suckers (3) on the other side, and the three cup joint holes (32) of the sucker (3) on one side are connected with the cup joint holes (32) of the three adjacent suckers (3) on the other side through the connecting columns (2).
9. The lattice-structured sandwich panel according to claim 4, wherein: the socket joint is characterized in that four conical surfaces (34) which are uniformly arranged are arranged on the socket joint round table (31), each conical surface (34) is provided with a socket joint hole (32), the central line of the socket joint hole (32) is perpendicular to the corresponding conical surface (34), the orthographic projection of the sucker (3) on one side is positioned between the four adjacent suckers (3) on the other side, and the four socket joint holes (32) of the sucker (3) on one side are connected with the socket joint holes (32) of the four adjacent suckers (3) on the other side through four connecting columns (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101628.5A CN109334134B (en) | 2018-09-20 | 2018-09-20 | Sandwich board with lattice structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101628.5A CN109334134B (en) | 2018-09-20 | 2018-09-20 | Sandwich board with lattice structure |
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| Publication Number | Publication Date |
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| CN109334134A CN109334134A (en) | 2019-02-15 |
| CN109334134B true CN109334134B (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811101628.5A Active CN109334134B (en) | 2018-09-20 | 2018-09-20 | Sandwich board with lattice structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327410A (en) * | 1999-08-30 | 2001-12-19 | 日本碍子株式会社 | Corrugated wall honeycomb structure and production method thereof |
| CN104441795A (en) * | 2013-11-05 | 2015-03-25 | 赵坤 | Heat-preservation sound-insulation honeycomb plate |
| CN105415235A (en) * | 2015-12-11 | 2016-03-23 | 哈尔滨工程大学 | Self-locking flexible lattice sucker |
| CN206155100U (en) * | 2016-08-31 | 2017-05-10 | 平湖翊天汽车零部件有限公司 | Automotive sun visor |
| CN106969678A (en) * | 2017-03-17 | 2017-07-21 | 武汉大学 | Telescopic flexible rectangular pyramid sandwich structure for underwater explosion energy dissipating |
-
2018
- 2018-09-20 CN CN201811101628.5A patent/CN109334134B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327410A (en) * | 1999-08-30 | 2001-12-19 | 日本碍子株式会社 | Corrugated wall honeycomb structure and production method thereof |
| CN104441795A (en) * | 2013-11-05 | 2015-03-25 | 赵坤 | Heat-preservation sound-insulation honeycomb plate |
| CN105415235A (en) * | 2015-12-11 | 2016-03-23 | 哈尔滨工程大学 | Self-locking flexible lattice sucker |
| CN206155100U (en) * | 2016-08-31 | 2017-05-10 | 平湖翊天汽车零部件有限公司 | Automotive sun visor |
| CN106969678A (en) * | 2017-03-17 | 2017-07-21 | 武汉大学 | Telescopic flexible rectangular pyramid sandwich structure for underwater explosion energy dissipating |
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| CN109334134A (en) | 2019-02-15 |
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