Composite PP (polypropylene) flame-retardant board

Abstract

The utility model discloses a composite PP (polypropylene) flame-retardant board, which belongs to the field of PP flame retardance and comprises a PP board body, the strength and hardness of the PP board body during use can be increased through a reinforcing layer formed by honeycomb boards according to the structural shape of the reinforcing layer, and honeycomb holes in the reinforcing layer are filled with a flame-retardant layer formed by rock wool, so that the strength and hardness of the PP board body can be increased. The fireproof performance of the PP board body in use can be improved according to the material characteristics of the rock wool, the waterproof performance of the PP board body in use can be improved according to the characteristics of the PVC material through the waterproof layer made of the PVC material, water is prevented from intruding into the board body to cause corrosion, and the heat insulation layer made of the aluminum oxide ceramic fiber material is used for heat insulation. According to the material structure characteristics of the PP flame-retardant plate, the PP plate body has high thermal stability and corrosion resistance, and the problem that the PP plate body cracks after being subjected to high temperature during use is solved, so that the purposes of improving the use strength of the PP flame-retardant plate and prolonging the service life of the PP flame-retardant plate are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of PP flame -retardant, especially in kind of composite PP flame -retardant board. BACKGROUND

[0002] ‌PP flame -retardant board is a kind of polymer material with excellent flame -retardant performance, mainly used to overcome the inflammable characteristic of PP material, eliminates fire hazard.‌PP flame -retardant board is made of polypropylene (PP), it is a kind of thermoplastic plastic, and oxygen index is 17%, belongs to the relatively flammable polymer material, so the fire -resistant performance is poor, and fire is extremely easy to produce. In order to overcome the inflammable characteristic of PP, Li Da Plastic Industry Co., Ltd. and other companies have developed the PP flame -retardant board with fire -resistant performance, and the flame -retardant level reaches the standard, and has passed the authentication of the authoritative detection organization, greatly eliminates the fire hazard of user. PP flame -retardant board has good flame -retardant performance, can isolate fire and prevent fire spread to a certain extent. In fire safety protection, using PP flame -retardant board is a common fireproof measure. It can effectively slow down the spread of fire, plays the role of fire isolation and prevents the spread of fire. In addition, PP flame -retardant board also has the characteristics of moisture -proof, anticorrosion, anti -aging, therefore has wide application prospect in building, home, automobile and other industries‌.

[0003] In prior art, in order to facilitate the use of PP flame -retardant board, it is usually necessary to splice together and use PP flame -retardant board, however, the existing splicing mode is mostly by the way of sticking to splice two PP flame -retardant boards together, and the splicing operation is not only more troublesome, and PP flame -retardant board is prone to falling off and separating after splicing and receiving external force, simultaneously, PP flame -retardant board is used in external environment, and is prone to damage after receiving sun and rain and receiving external pressure, reduces the use intensity and service life of PP flame -retardant board. UTILITY MODEL CONTENTS

[0004] The utility model mainly aims at providing a kind of composite PP flame -retardant board, can effectively solve the problems in background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a kind of composite PP flame-retardant board, including PP board body, the upper and lower surfaces of the PP board body are respectively fixedly connected with reinforcing layer, and the inside of reinforcing layer is fixedly connected with flame-retardant layer, the outer surface of reinforcing layer is fixedly connected with waterproof layer, and the outer surface of waterproof layer is fixedly connected with heat insulation layer, adjacent the PP board body is respectively fixedly connected by the symmetrical splicing mechanism of left side wall setting, and splicing mechanism includes splicing plug-in board, fixed rod, compression spring, movable cylinder and chuck, the left side wall of the PP board body is fixedly connected with splicing plug-in board, and the both ends of splicing plug-in board are respectively fixedly connected with fixed rod, the outer wall of fixed rod is sleeved with compression spring, and movable cylinder is movably connected on fixed rod, movable cylinder is also fixedly connected with compression spring through the retaining ring on outer wall, and chuck is fixedly connected on the outside end of movable cylinder.

[0007] Preferably, the reinforcing layer is composed of a honeycomb board, and the reinforcing layer is adhesively fixed to the upper and lower surfaces of the PP board body.

[0008] Preferably, a plurality of honeycomb holes are formed on the outer surface of the reinforcing layer, and the flame-retardant layer is fixedly installed in the honeycomb holes in a filling manner, and the flame-retardant layer is composed of rock wool.

[0009] Preferably, the waterproof layer is adhesively fixed to the outer surface of the reinforcing layer, and the waterproof layer is composed of PVC material, the heat insulation layer is adhesively fixed to the outer surface of the waterproof layer, and the heat insulation layer is composed of aluminum oxide ceramic fiber material.

[0010] Preferably, a group of symmetrical splicing slots are formed on the right side wall of the PP board body, and the clamping slots are respectively formed on the two side walls in the slots.

[0011] Preferably, a group of symmetrical splicing plug-in boards corresponding to the splicing slots are fixedly installed on the left side wall of the PP board body, and the movable slots are respectively formed on the front and rear end walls of the splicing plug-in boards, the limiting rings are respectively fixedly installed in the slot openings of the movable slots, and the fixed rods are fixedly installed on the slot bottoms of the movable slots, the compression spring is sleeved on the outside of the fixed rod, and the inside end of the compression spring is fixedly installed on the slot bottom of the movable slot, the fixed rod is inserted and installed in the movable cylinder, and the retaining ring is fixedly installed on the outside end of the compression spring, and the chuck corresponding to the clamping slot is fixedly installed on the outside end of the movable cylinder.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses a reinforcing layer is filled with the fire -retardant layer of rock wool in the honeycomb hole on the reinforcing layer, can improve the fire -resistant performance of the PP plate body according to the material quality characteristics of rock wool when using, and through the waterproof layer of PVC material, can improve the waterproof performance of the PP plate body according to the characteristics of PVC material when using, prevents water from invading into the plate body and causes corrosion, and then through the heat -insulating layer of alumina ceramic fiber material, according to the material structure characteristics of its own, the PP plate body has higher thermal stability and corrosion resistance, can withstand thermal shock under high temperature environment and is not easy to break, and can effectively block the conduction and radiation of heat, prevents the problem that the PP plate body appears cracking after using under high temperature, thereby reaches the purpose that improves the use intensity and service life of PP fire -retardant board.

[0014] Meanwhile, cooperate with the use of the splicing mechanism, insert the splicing plugboard into the splicing slot set up on the side wall of the adjacent PP plate body, make the compression spring retract and stretch in this process, push the movable cylinder along the fixed rod through the stop ring, make the clamping head clamp into the clamping groove, can quickly clamp and fix two PP plate bodies together, thereby reach the purpose that the PP plate body is conveniently spliced and used, and can effectively prevent the problem of falling off after splicing. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure split schematic view of the PP plate body of the utility model;

[0016] Figure 2 It is the splicing structure schematic view of the PP plate body of the utility model;

[0017] Figure 3 It is the Figure 2 It is the structure split schematic view of the splicing mechanism of the utility model.

[0018] Figure 4 It is the structure split schematic view of the splicing mechanism of the utility model.

[0019] In the drawing: 1, PP plate body;2, reinforcing layer;3, fire -retardant layer;4, waterproof layer;5, heat -insulating layer;6, honeycomb hole;7, splicing mechanism;8, splicing slot;9, clamping groove;10, splicing plugboard;11, movable groove;12, limit ring;13, fixed rod;14, compression spring;15, movable cylinder;16, stop ring;17, clamping head. DETAILED DESCRIPTION

[0020] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0021] As shown in Figure 1 - Figure 4 The composite PP flame-retardant plate comprises a PP plate body 1, a reinforcing layer 2 fixedly connected to the upper and lower surfaces of the PP plate body 1, a flame-retardant layer 3 fixedly connected to the inside of the reinforcing layer 2, a waterproof layer 4 fixedly connected to the outer surface of the reinforcing layer 2, and a heat insulation layer 5 fixedly connected to the outer surface of the waterproof layer 4. Adjacent PP plate bodies 1 are fixedly connected together through symmetric splicing mechanisms 7 arranged on the left side walls, and the splicing mechanism 7 comprises a splicing plug 10, a fixed rod 13, a compression spring 14, a movable cylinder 15, and a chuck 17. The splicing plug 10 is fixedly connected to the left side wall of the PP plate body 1, and the two ends of the splicing plug 10 are fixedly connected with the fixed rod 13. The compression spring 14 is sleeved on the outer wall of the fixed rod 13, and the movable cylinder 15 is movably connected to the fixed rod 13. The movable cylinder 15 is fixedly connected with the compression spring 14 through the stop ring 16 on the outer wall, and the chuck 17 is fixedly connected to the outer side end of the movable cylinder 15.

[0022] As shown in Figure 1 The reinforcing layer 2 is composed of a honeycomb plate, and the reinforcing layer 2 is adhesively fixed to the upper and lower surfaces of the PP plate body 1. The reinforcing layer 2 composed of a honeycomb plate can increase the strength and hardness of the PP plate body 1 during use according to its own structural shape.

[0023] As shown in Figure 1 A plurality of honeycomb holes 6 are formed on the outer surface of the reinforcing layer 2, and the flame-retardant layer 3 is fixedly installed in the holes in a filling manner. The flame-retardant layer 3 is composed of rock wool. By filling the flame-retardant layer 3 composed of rock wool into the honeycomb holes 6 of the reinforcing layer 2, the fireproof performance of the PP plate body 1 during use can be improved according to the material properties of the rock wool.

[0024] As shown in Figure 1 The waterproof layer 4 is adhesively fixed to the outer surface of the reinforcing layer 2, and the waterproof layer 4 is composed of PVC material. The heat insulation layer 5 is adhesively fixed to the outer surface of the waterproof layer 4, and the heat insulation layer 5 is composed of alumina ceramic fiber material. The waterproof performance of the PP plate body 1 during use can be improved according to the characteristics of the PVC material by the waterproof layer 4 composed of PVC material, which prevents water from entering the plate body and causing corrosion. The PP plate body has high thermal stability and corrosion resistance according to the material structure characteristics of the heat insulation layer 5 composed of alumina ceramic fiber material.

[0025] As shown in Figure 2 and Figure 3As shown, a group of symmetrical splicing slots 8 are arranged on the right side wall of the PP plate body 1, and clamping grooves 9 are arranged on both sides of the slots of the splicing slots 8. The splicing slots 8 on the PP plate body 1 are used to cooperate with the splicing plugs 10 to realize the positioning and splicing between adjacent PP plate bodies 1, and the clamping grooves 9 are used to cooperate with the clamping heads 17 to realize the splicing and clamping between the PP plate bodies 1, so as to prevent the PP plate body 1 from falling off after splicing;

[0026] As shown in Figure 2 and Figure 4 A group of symmetrical splicing plugs 10 corresponding to the splicing slots 8 are fixedly installed on the left side wall of the PP plate body 1, and movable grooves 11 are arranged on the front and rear end walls of the splicing plugs 10. Limiting rings 12 are fixedly installed in the grooves of the movable grooves 11, and fixed rods 13 are fixedly installed on the groove bottoms of the movable grooves 11. Compression springs 14 are sleeved on the outside of the fixed rods 13, and the inside end of the compression spring 14 is fixedly installed on the groove bottom of the movable groove 11. The fixed rod 13 is inserted into the movable cylinder 15, and the outer wall of the movable cylinder 15 is fixedly installed with a stop ring 16. The stop ring 16 is fixedly installed on the outside end of the compression spring 14. The outside end of the movable cylinder 15 is fixedly installed with a clamping head 17 corresponding to the clamping groove 9. When the splicing plug 10 is inserted into the splicing slot 8 arranged on the adjacent PP plate body 1, the clamping head 17 will be extruded to pass through the limiting ring 12 and enter the movable groove 11. The clamping head 17 moves the movable cylinder 15 along the fixed rod 13 through the movable cylinder 15, and forces the compression spring 14 to retract through the stop ring 16. After the splicing plug 10 is completely inserted into the splicing slot 8, the compression spring 14 performs elastic expansion operation, and the clamping head 17 enters the clamping groove 9 by moving the movable cylinder 15 outward through the stop ring 16, so as to realize the quick assembly between the PP plate bodies 1.

[0027] It needs to be explained that the utility model discloses a composite PP flame-retardant board, when the PP plate body 1 is assembled and used, the splicing plug-in board 10 installed on the left side wall of the PP plate body 1 is inserted into the corresponding splicing slot 8 formed on the right side wall of the adjacent PP plate body 1, when the splicing plug-in board 10 enters the splicing slot 8, the clamping head 17 protruding from both ends of the splicing plug-in board 10 will be extruded, the clamping head 17 will enter the movable slot 11 formed at both ends of the splicing plug-in board 10 through the limiting ring 12, and the clamping head 17 pushes the movable cylinder 15 to move along the fixed rod 13, when the movable cylinder 15 moves, the fixed rod 13 will be forced to retract the compression spring 14 outside the fixed rod 13, after the splicing plug-in board 10 is completely inserted into the splicing slot 8, the clamping head 17 will lose the extrusion force, the compression spring 14 will be elastically stretched and recovered, and after the movable cylinder 15 moves outward along the fixed rod 13 by pushing the blocking ring 16, the clamping head 17 enters the clamping groove 9 formed on the inner wall of the splicing slot 8, so that the PP plate body 1 can be quickly spliced and fixed together in a clamping manner, so as to conveniently assemble and use the PP plate body 1, and when the PP plate body 1 is used in the external environment, the strength and hardness of the PP plate body 1 during use can be increased according to the structure and shape of the reinforcing layer 2 formed by the honeycomb plate, the fireproof performance of the PP plate body 1 during use can be improved according to the material properties of the rock wool filled in the honeycomb hole 6 formed in the reinforcing layer 2, the waterproof performance of the PP plate body 1 during use can be improved according to the properties of the PVC material of the waterproof layer 4, water intrusion into the plate body is prevented to cause corrosion, the heat stability and corrosion resistance of the PP plate body 1 are improved according to the material structure properties of the heat insulation layer 5 formed by the alumina ceramic fiber material, the PP plate body 1 can withstand thermal shock in a high-temperature environment without being easily broken, and the conduction and radiation of heat can be effectively blocked, so that the problem of cracking of the PP plate body 1 after being used in high temperature is prevented, and the use strength and service life of the PP flame-retardant board are improved.

[0028] In conclusion, only the preferred embodiments of the utility model are described, and are not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, however, various improvements can be made and the components can be replaced with equivalent ones, or some technical features can be replaced with equivalent ones without departing from the scope of the utility model, and all should be included in the protection scope of the utility model within the spirit and principles of the utility model.

Claims

1. A composite PP flame-retardant board comprising a PP board body (1), characterized in that: The upper and lower surfaces of the PP plate body (1) are fixedly connected with a reinforcing layer (2), and the inside of the reinforcing layer (2) is fixedly connected with a flame-retardant layer (3), the outer surface of the reinforcing layer (2) is fixedly connected with a waterproof layer (4), and the outer surface of the waterproof layer (4) is fixedly connected with a heat insulation layer (5), the adjacent PP plate bodies (1) are fixedly connected together through the symmetric splicing mechanisms (7) arranged on the left side walls, and the splicing mechanism (7) comprises a splicing plug-in plate (10), a fixed rod (13), a compression spring (14), a movable cylinder (15) and a clamping head (17), the splicing plug-in plate (10) is fixedly connected to the left side wall of the PP plate body (1), both ends of the splicing plug-in plate (10) are fixedly connected with the fixed rod (13), the compression spring (14) is sleeved on the outer wall of the fixed rod (13), and the movable cylinder (15) is movably connected to the fixed rod (13), the movable cylinder (15) is further fixedly connected with the compression spring (14) through the stop ring (16) on the outer wall, and the clamping head (17) is fixedly connected to the outer side end of the movable cylinder (15).

2. The composite PP flame-retardant board according to claim 1, characterized in that: The reinforcing layer (2) is composed of a honeycomb plate, and the reinforcing layer (2) is adhesively fixed to the upper and lower surfaces of the PP plate body (1).

3. The composite PP flame-retardant board according to claim 2, characterized in that: A plurality of honeycomb holes (6) are formed in the outer surface of the reinforcing layer (2), and the flame-retardant layer (3) is fixedly installed in the holes in a filling manner, and the flame-retardant layer (3) is composed of rock wool.

4. The composite PP flame-retardant board according to claim 3, characterized in that: The waterproof layer (4) is adhesively fixed to the outer surface of the reinforcing layer (2), and the waterproof layer (4) is composed of PVC material, the heat insulation layer (5) is adhesively fixed to the outer surface of the waterproof layer (4), and the heat insulation layer (5) is composed of aluminum oxide ceramic fiber material.

5. The composite PP flame-retardant board according to claim 4, characterized in that: A group of symmetric splicing slots (8) are formed in the right side wall of the PP plate body (1), and clamping grooves (9) are formed in the two side walls of the slots.

6. The composite PP flame-retardant board according to claim 5, characterized in that: A group of symmetric splicing plug-in plates (10) corresponding to the splicing slots (8) are fixedly installed on the left side wall of the PP plate body (1), and movable grooves (11) are formed in the front and rear end walls of the splicing plug-in plates (10), respectively, limit rings (12) are fixedly installed in the slots of the movable grooves (11), respectively, fixed rods (13) are fixedly installed on the groove bottoms of the movable grooves (11), the compression spring (14) is sleeved on the outside of the fixed rod (13), the inside end of the compression spring (14) is fixedly installed on the groove bottom of the movable groove (11), the fixed rod (13) is inserted into the movable cylinder (15), the stop ring (16) is fixedly installed on the outer wall of the movable cylinder (15), the clamping head (17) corresponding to the clamping groove (9) is fixedly installed on the outside end of the movable cylinder (15).

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