CN213472384U - Flame-retardant high-temperature-resistant polypropylene sheet - Google Patents

Abstract

The utility model discloses a fire-retardant high temperature resistance polypropylene sheet, including the plate, the first connecting block of plate one side fixedly connected with, first connecting block is kept away from plate one side and is seted up flutedly, first connecting block one side fixedly connected with second connecting block is kept away from to the plate, plate one side fixedly connected with lug is kept away from to the second connecting block, lug and recess phase-match. The utility model discloses an add the layer of toughening and the layer of toughening down on by high melt strength polypropylene making, make the utility model discloses intensity obtains guaranteeing, cooperates the buffering strip of both sides simultaneously for on toughen the layer and toughen the layer down and strengthen at the shock resistance of breach department, through first through-hole and first fire-retardant excellent cooperation and the cooperation of second through-hole and the fire-retardant excellent cooperation of second through-hole, set up fire-retardant layer and lower fire-retardant layer simultaneously, greatly increased the utility model discloses a fire behaviour and high temperature resistance can make the utility model discloses an applicability is more extensive, is worth promoting.

Description

Flame-retardant high-temperature-resistant polypropylene sheet

Technical Field

The utility model relates to a sheet field, concretely relates to fire-retardant high temperature resistant polypropylene sheet.

Background

Polypropylene is a polymer formed by propylene addition polymerization, and is widely applied to the production of fiber products such as clothes, blankets and the like, medical instruments, automobiles, bicycles, parts, conveying pipelines, chemical containers and the like, and is also used for packaging food and medicines, and the application of polypropylene sheets is more and more extensive.

However, in practical use, polypropylene is flammable and does not resist high temperature, so that the application of polypropylene sheets is greatly limited.

Therefore, it is necessary to invent a flame-retardant high-temperature-resistant polypropylene sheet to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire-retardant high temperature resistance polypropylene sheet is through addding a plurality of fire-retardant layers to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: a flame-retardant high-temperature-resistant polypropylene sheet comprises a sheet, wherein a first connecting block is fixedly connected to one side of the sheet, a groove is formed in one side of the first connecting block, which is far away from the sheet, a second connecting block is fixedly connected to one side of the sheet, which is far away from the first connecting block, a lug is fixedly connected to one side of the second connecting block, which is far away from the sheet, the lug is matched with the groove, buffer grooves are formed in the sides, close to the sheet, of the first connecting block and the second connecting block, buffer strips are fixedly connected to the inner parts of the buffer grooves, the sheet comprises an electromagnetic shielding layer, an upper flame-retardant layer is fixedly connected to the bottom of the electromagnetic shielding layer, an upper toughening layer is fixedly connected to one side, far away from the electromagnetic shielding layer, of the upper toughening layer is fixedly connected with an upper substrate layer, a middle flame-, the middle flame-retardant layer is far away from the lower substrate layer of fixedly connected with on one side of the upper substrate layer, the lower substrate layer is far away from the toughening layer under the fixedly connected with on one side of the middle flame-retardant layer, and the lower toughening layer is far away from the lower flame-retardant layer under the fixedly connected with on one side of the lower substrate layer.

Preferably, the buffer strip is made of a rubber material, and the buffer strip is respectively matched with the upper toughening layer and the lower toughening layer.

Preferably, the electromagnetic shielding film is arranged on the top of the electromagnetic shielding layer, the upper flame-retardant layer, the middle flame-retardant layer and the lower flame-retardant layer are made of chloroprene rubber materials, the upper toughening layer and the lower toughening layer are made of high-melt-strength polypropylene, and the upper substrate layer and the lower substrate layer are made of polypropylene materials.

Preferably, the top of the upper base material layer is provided with a plurality of first through holes, the first through holes are uniformly distributed on the surface of the upper base material layer, the top of the lower base material layer is provided with a plurality of second through holes, and the second through holes are uniformly distributed on the surface of the lower base material layer.

Preferably, the top of the middle flame-retardant layer is fixedly connected with a first flame-retardant rod, the number of the first flame-retardant rods is set to be multiple, the first flame-retardant rods are uniformly distributed at the top of the middle flame-retardant layer and are multiple, and the first flame-retardant rods are respectively matched with the first through holes.

Preferably, the top of the middle flame-retardant layer is fixedly connected with a plurality of second flame-retardant rods, the number of the second flame-retardant rods is multiple, the second flame-retardant rods are uniformly distributed at the bottom of the middle flame-retardant layer, and the second flame-retardant rods are respectively matched with the second through holes.

In the technical scheme, the utility model provides a technological effect and advantage:

through addding the upper toughening layer and the lower toughening layer made by high melt strength polypropylene, make the utility model discloses intensity obtains guaranteeing, cooperates the buffering strip of both sides simultaneously for upper toughening layer and lower toughening layer strengthen in the shock resistance of breach department, through first through-hole and first fire-retardant excellent cooperation and the cooperation of second through-hole and the fire-retardant excellent cooperation of second, set up fire-retardant layer and lower fire-retardant layer simultaneously, greatly increased the utility model discloses a fire behaviour and high temperature resistance can make the utility model discloses an applicability is more extensive, is worth promoting.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the present invention clamped with each other;

fig. 4 is a side sectional view of the present invention;

fig. 5 is the utility model discloses go up the connection schematic diagram of substrate layer, middle fire-retardant layer and lower substrate layer.

Description of reference numerals:

1. a sheet; 2. a first connection block; 3. a groove; 4. a second connecting block; 5. a bump; 6. a buffer tank; 7. a buffer strip; 8. an electromagnetic shielding layer; 9. an upper flame retardant layer; 10. an upper toughening layer; 11. an upper substrate layer; 12. an intermediate flame retardant layer; 13. a lower substrate layer; 14. a lower toughening layer; 15. a lower flame retardant layer; 16. a first through hole; 17. a second through hole; 18. a first flame retardant rod; 19. a second flame retardant rod.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a flame-retardant high-temperature-resistant polypropylene sheet material as shown in figures 1-5, which comprises a sheet plate 1, wherein one side of the sheet plate 1 is fixedly connected with a first connecting block 2, one side of the first connecting block 2, which is far away from the sheet plate 1, is provided with a groove 3, one side of the sheet plate 1, which is far away from the first connecting block 2, is fixedly connected with a second connecting block 4, one side of the second connecting block 4, which is far away from the sheet plate 1, is fixedly connected with a lug 5, the lug 5 is matched with the groove 3, one side of the first connecting block 2 and one side of the second connecting block 4, which is close to the sheet plate 1, are both provided with a buffer groove 6, a buffer strip 7 is fixedly connected inside the buffer groove 6, the sheet plate 1 comprises an electromagnetic shielding layer 8, the bottom of the electromagnetic shielding layer 8 is fixedly connected with an upper flame-retardant layer 9, one side of the upper flame-retardant layer 9, which is far away, go up substrate layer 11 and keep away from in the middle of last toughened layer 10 one side fixedly connected with fire-retardant layer 12, in the middle of fire-retardant layer 12 keep away from substrate layer 13 under 11 one side fixedly connected with of substrate layer, lower substrate layer 13 keeps away from in the middle of fire-retardant layer 12 one side fixedly connected with toughen layer 14 down, toughened layer 14 keeps away from down fire-retardant layer 15 under 13 one side fixedly connected with of substrate layer, only need when the concatenation with lug 5 along groove 3 draw into can, convenient and fast, the operation of being convenient for.

Further, in the above technical solution, the buffer strip 7 is made of a rubber material, and the buffer strip 7 is respectively matched with the upper toughening layer 10 and the lower toughening layer 14, so that the impact resistance of the upper toughening layer 10 and the lower toughening layer 14 at the notch is enhanced.

Further, in above-mentioned technical scheme, electromagnetic shield layer 8 top is provided with the electromagnetic shielding film, go up fire-retardant layer 9, middle fire-retardant layer 12 and fire-retardant layer 15 down and make by the chloroprene rubber material, go up and toughen layer 10 and toughen layer 14 down and make by high melt strength polypropylene, go up substrate layer 11 and lower substrate layer 13 and make by the polypropylene material, make the utility model discloses intensity is ensured, avoids the sheet to receive the ultraviolet ray and decomposes simultaneously.

Further, in the above technical scheme, first through holes 16 have been seted up at upper substrate layer 11 top, first through holes 16 quantity sets up to a plurality ofly, and is a plurality of first through holes 16 evenly distributed is on upper substrate layer 11 surface, second through holes 17 have been seted up at lower substrate layer 13 top, second through holes 17 quantity sets up to a plurality ofly, and is a plurality of second through holes 17 evenly distributed is on lower substrate layer 13 surface.

Further, in the above technical scheme, the top of the middle flame-retardant layer 12 is fixedly connected with a plurality of first flame-retardant rods 18, the number of the first flame-retardant rods 18 is set to be a plurality, the first flame-retardant rods 18 are uniformly distributed on the top of the middle flame-retardant layer 12, and the plurality of first flame-retardant rods 18 are respectively matched with the plurality of first through holes 16.

Further, in above-mentioned technical scheme, middle fire-retardant layer 12 top fixedly connected with second fire-retardant stick 19, second fire-retardant stick 19 quantity sets up to a plurality of, and is a plurality of second fire-retardant stick 19 evenly distributed is in middle fire-retardant layer 12 bottom, and is a plurality of second fire-retardant stick 19 respectively with a plurality of second through-hole 17 phase-matches, goes up substrate layer 11 and middle fire-retardant layer 12 through first fire-retardant stick 18 and first through-hole 16 joint, and lower substrate layer 13 and middle fire-retardant layer 12 pass through second fire-retardant stick 19 and second through-hole 17 joint, greatly increased the utility model discloses a fire behaviour and high temperature resistance make the utility model discloses an applicability is more extensive, is worth promoting.

This practical theory of operation:

referring to the description attached figure 1-5, go up substrate layer 11 and middle fire-retardant layer 12 through first flame retardant rod 18 and first through-hole 16 joint, lower substrate layer 13 passes through second flame retardant rod 19 and second through-hole 17 joint with middle fire-retardant layer 12, and buffering strip 7 matches with last toughening layer 10 and lower substrate layer 13 simultaneously, and plate 1 is fixed in between first connecting block 2 and the second connecting block 4, the utility model discloses only need when the concatenation with lug 5 along recess 3 draw in can.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (6)

1. A flame-retardant high-temperature-resistant polypropylene sheet comprising a sheet (1), characterized in that: the anti-corrosion and anti-corrosion composite plate is characterized in that a first connecting block (2) is fixedly connected to one side of the plate (1), a groove (3) is formed in one side, away from the plate (1), of the first connecting block (2), a second connecting block (4) is fixedly connected to one side, away from the first connecting block (2), of the plate (1), of the second connecting block (4), a lug (5) is fixedly connected to one side, away from the plate (1), of the second connecting block (4), the lug (5) is matched with the groove (3), buffer grooves (6) are formed in one sides, close to the plate (1), of the first connecting block (2) and the second connecting block (4), buffer strips (7) are fixedly connected to the inner portions of the buffer grooves (6), the plate (1) comprises an electromagnetic shielding layer (8), an upper flame-retardant layer (9) is fixedly connected to the bottom of the electromagnetic shielding layer (8), and a toughening upper layer (10) is fixedly, go up toughening layer (10) and keep away from last fire-retardant layer (9) one side fixedly connected with and go up substrate layer (11), go up substrate layer (11) and keep away from middle fire-retardant layer (12) of last toughening layer (10) one side fixedly connected with, middle fire-retardant layer (12) keep away from substrate layer (11) one side fixedly connected with lower substrate layer (13), middle fire-retardant layer (12) one side fixedly connected with toughening layer (14) down is kept away from to substrate layer (13) down, toughening layer (14) keep away from down fire-retardant layer (15) under substrate layer (13) one side fixedly connected with down.

2. The flame-retardant high-temperature-resistant polypropylene sheet according to claim 1, wherein: the buffer strip (7) is made of rubber materials, and the buffer strip (7) is respectively matched with the upper toughening layer (10) and the lower toughening layer (14).

3. The flame-retardant high-temperature-resistant polypropylene sheet according to claim 1, wherein: electromagnetic shielding film is arranged on the top of the electromagnetic shielding layer (8), the upper flame-retardant layer (9), the middle flame-retardant layer (12) and the lower flame-retardant layer (15) are made of chloroprene rubber materials, the upper toughening layer (10) and the lower toughening layer (14) are made of high melt strength polypropylene, and the upper substrate layer (11) and the lower substrate layer (13) are made of polypropylene materials.

4. The flame-retardant high-temperature-resistant polypropylene sheet according to claim 1, wherein: go up substrate layer (11) top and seted up first through-hole (16), first through-hole (16) quantity sets up to a plurality ofly, and is a plurality of first through-hole (16) evenly distributed is on last substrate layer (11) surface, second through-hole (17) have been seted up at substrate layer (13) top down, second through-hole (17) quantity sets up to a plurality ofly, and is a plurality of second through-hole (17) evenly distributed is on substrate layer (13) surface down.

5. The flame-retardant high-temperature-resistant polypropylene sheet according to claim 4, wherein: middle fire-retardant layer (12) top fixedly connected with first fire-retardant stick (18), first fire-retardant stick (18) quantity sets up to a plurality ofly, and is a plurality of first fire-retardant stick (18) evenly distributed is at middle fire-retardant layer (12) top, and is a plurality of first fire-retardant stick (18) are respectively with a plurality of first through-hole (16) phase-matchs.

6. The flame-retardant high-temperature-resistant polypropylene sheet according to claim 4, wherein: middle fire-retardant layer (12) top fixedly connected with second flame retardant stick (19), second flame retardant stick (19) quantity sets up to a plurality ofly, and is a plurality of second flame retardant stick (19) evenly distributed is in middle fire-retardant layer (12) bottom, and is a plurality of second flame retardant stick (19) respectively with a plurality of second through-hole (17) phase-matches.

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