Glass fiber reinforced plastic air duct

Abstract

The glass fiber reinforced plastic air duct comprises a mounting plate and an air duct body, the upper surface of the mounting plate is fixedly connected with the lower surface of the air duct body, the top of the inner wall of the air duct body is connected with a protective net cover through bolts, a plurality of reinforcing plates are circumferentially and fixedly arranged on the outer wall of the air duct body, and the lower surfaces of the reinforcing plates are fixedly connected with the upper surface of the mounting plate. The reinforcing rings are evenly inserted in the reinforcing plates in a penetrating mode, each reinforcing ring comprises a plurality of arc-shaped reinforcing ribs connected end to end, the arc-shaped reinforcing ribs and the reinforcing plates are arranged at intervals, and one ends of the arc-shaped reinforcing ribs penetrate through the reinforcing plates; according to the scheme, the multiple reinforcing rings are installed on the multiple reinforcing plates in a penetrating and inserting mode, the exterior of the air duct body can be protected, and when the air duct body is impacted by external force, a certain interception effect can be achieved through the multiple reinforcing rings; the situation that the air duct body is broken or damaged due to the fact that the air duct body is subjected to strong impact or external force can be avoided as much as possible, and therefore the service life of the air duct body can be prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of air ducts, and in particular to a glass fiber reinforced plastic air duct. Background Art

[0002] FRP is a composite material made of glass fiber and resin matrix through a composite process. FRP air duct is a pipe made of glass fiber reinforced plastic, which has the characteristics of light weight, high strength, corrosion resistance, high temperature resistance and good insulation performance. The main function of FRP air duct is to achieve air circulation and ventilation through forced ventilation or natural ventilation, improve environmental quality, and ensure the health of personnel and the normal operation of equipment.

[0003] In the related art, the FRP air duct is mainly tubular, and its interior is used for air circulation. The FRP material has the characteristics of high strength and low density, which makes the tubular air duct both sturdy and durable, and easy to transport and install, which can reduce the construction difficulty and cost. However, the FRP air duct is generally very brittle and may be hit by external forces during installation and use. When subjected to strong impact or external force, the FRP air duct may be cracked or damaged, which will affect the service life of the FRP air duct and is not conducive to actual use.

[0004] Therefore, those skilled in the art provide a glass fiber reinforced plastic air duct to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to solve the problem mentioned in the above background technology that general FRP air ducts are relatively brittle and may be impacted by external forces during installation and use, which may cause the FRP air duct to crack or be damaged when subjected to strong impact or external force, thereby affecting the service life of the FRP air duct, the present application provides a FRP air duct.

[0006] The glass fiber reinforced plastic air duct provided in this application adopts the following technical solution:

[0007] A glass fiber reinforced plastic air duct comprises a mounting plate and an air duct body, wherein the upper surface of the mounting plate is fixedly connected to the lower surface of the air duct body, the top of the inner wall of the air duct body is connected to a protective mesh cover by bolts, a plurality of reinforcement plates are fixedly arranged on the outer wall of the air duct body in a circular shape, the lower surface of the reinforcement plate is fixedly connected to the upper surface of the mounting plate, a plurality of reinforcement rings are evenly interspersed on the plurality of reinforcement plates, the reinforcement rings comprise a plurality of arc-shaped reinforcement ribs connected end to end, the plurality of arc-shaped reinforcement ribs are spaced apart from the plurality of reinforcement plates, and one end of the arc-shaped reinforcement rib passes through the reinforcement plate.

[0008] By adopting the above technical solution, several reinforcement plates are supported in a circular shape between the upper surface of the mounting plate and the outer wall of the wind cylinder, so that the strength of the wind cylinder can be enhanced. By installing several reinforcement rings on several reinforcement plates, the outside of the wind cylinder can be protected. When an external force hits the wind cylinder, the several reinforcement rings can play a certain interception role, thereby avoiding as much as possible the situation where the wind cylinder is broken or damaged due to strong impact or external force on the wind cylinder.

[0009] Preferably, the mounting plate comprises a rectangular plate fixedly connected to the lower surface of the wind cylinder body, the rectangular plate is provided with a through opening communicating with the wind cylinder body, and the rectangular plate is evenly provided with a plurality of mounting holes.

[0010] By adopting the above technical solution, the installation holes cooperate with the bolts to limit the installation of the rectangular plate, and the installation position of the wind cylinder body can be restricted by installing the rectangular plate. The opening can facilitate the circulation of air inside the wind cylinder body.

[0011] Preferably, the protective net cover comprises a cross support frame connected to the top of the inner wall of the wind cylinder by bolts, and a steel wire mesh is fixedly connected to the upper surface of the cross support frame.

[0012] By adopting the above technical solution, the cross support frame can play a certain supporting role on the wire mesh, and the wire mesh can play a certain protective role on the inside of the wind cylinder body to prevent foreign objects from entering the wind cylinder body.

[0013] Preferably, the reinforcement plate includes a triangular plate fixedly connected to the outer wall of the wind cylinder, the lower surface of the triangular plate is fixedly connected to the upper surface of the rectangular plate, and a plurality of insertion holes are evenly opened on the triangular plate for passing through the triangular plate, and one end of the arc-shaped reinforcement rib passes through the interior of the insertion hole.

[0014] By adopting the above technical solution, the connection between the wind cylinder body and the rectangular plate can be reinforced by the triangular plate to enhance the strength of the wind cylinder body, and the plug hole can facilitate personnel to install the arc-shaped reinforcement ribs.

[0015] Preferably, the arc-shaped reinforcement rib comprises an arc-shaped bar, one end of which is fixedly connected with a plug post, the plug post passes through the interior of the insertion hole, and the other end of the arc-shaped bar is provided with a slot, the plug post matches the slot.

[0016] By adopting the above technical solution, the plug post at one end of the arc-shaped bar can be passed through the insertion hole and inserted into the slot at one end of the adjacent arc-shaped bar, so that the arc-shaped bar can be installed.

[0017] Preferably, a first reinforcement hole connected to the slot is formed at one end of the arc strip, a second reinforcement hole passing through the insertion column is formed on the insertion column, and reinforcement bolts are provided inside the first reinforcement hole and the second reinforcement hole.

[0018] By adopting the above technical solution, the first reinforcement hole cooperates with the second reinforcement hole, which can facilitate personnel to insert and install the reinforcement bolt at the connection between one end of the adjacent arc strip and the plug column, thereby enhancing the stability of the connection between the adjacent arc strips.

[0019] Preferably, both ends of the arc strip are fixedly connected with protective pads, one end of the protective pad away from the arc strip abuts against the outer wall of the triangular plate, a through hole is opened on the protective pad for passing the protective pad, and the plug passes through the inside of the through hole.

[0020] By adopting the above technical solution, the protective pad can be located between one end of the arc strip and the outer wall of the triangular plate during installation, which can play a certain protective role, and the through holes can facilitate the insertion of the plug column.

[0021] In summary, this application includes the following beneficial technical effects:

[0022] 1. The protective net cover of the fiberglass wind tube can prevent foreign objects from entering the wind tube body. Several reinforcement plates can play a certain reinforcement role between the wind tube body and the mounting plate. Several reinforcement rings are inserted and installed on several reinforcement plates so that several reinforcement rings are located outside the wind tube body. When an external force hits the wind tube body, several reinforcement rings can play a certain interception role, thereby avoiding the situation where the wind tube body is broken or damaged due to strong impact or external force on the wind tube body as much as possible, and extending the service life of the wind tube body.

[0023] 2. The fiberglass wind tube has mounting holes and bolts that can be used to limit the installation of the rectangular plate. The installation position of the wind tube body can be limited by installing the rectangular plate. The opening can facilitate the air circulation inside the wind tube body. The cross support frame can provide a certain support for the steel wire mesh. The steel wire mesh can provide a certain protection for the inside of the wind tube body to prevent foreign matter from entering the wind tube body. The triangular plate can reinforce the connection between the wind tube body and the rectangular plate to enhance the strength of the wind tube body. The sockets provided can facilitate the installation of arc-shaped reinforcement ribs by personnel.

[0024] 3. The fiberglass wind duct can install the arc strip by passing the plug post at one end of the arc strip through the plug hole and inserting it into the slot at one end of the adjacent arc strip. The first reinforcement hole cooperates with the second reinforcement hole, which is convenient for personnel to insert the reinforcement bolt into the connection between the end of the adjacent arc strip and the plug post, and can enhance the stability of the connection between the adjacent arc strips. When installing, the protective pad can be located between one end of the arc strip and the outer wall of the triangle plate, which can play a certain protective role and enhance the stability of the connection between the arc strip and the triangle plate. The through hole can facilitate the insertion of the plug post. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of a glass fiber reinforced plastic air duct in an embodiment of the present application;

[0026] Figure 2 It is a partial cross-sectional structural schematic diagram of a glass fiber reinforced plastic air duct in an embodiment of the present application;

[0027] Figure 3 This is a glass fiber reinforced plastic wind tube in the embodiment of the present application. Figure 2 A schematic diagram of the structure enlargement at point A;

[0028] Figure 4 It is a schematic diagram of the mounting plate structure of a fiberglass reinforced plastic air duct in an embodiment of the present application.

[0029] Explanation of the reference numerals: 1. Mounting plate; 101. Rectangular plate; 102. Through opening; 103. Mounting hole; 2. Air cylinder body; 3. Reinforcement plate; 301. Triangular plate; 302. Plug hole; 4. Reinforcement ring; 401. Arc-shaped reinforcement rib; 4011. Arc-shaped strip; 4012. Plug column; 4013. Slot; 5. Protective mesh cover; 501. Cross support frame; 502. Wire mesh; 6. First reinforcement hole; 7. Second reinforcement hole; 8. Reinforcement bolt; 9. Protective pad; 10. Perforation. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-4 This application is described in further detail.

[0031] The present application embodiment discloses a glass fiber reinforced plastic wind tube. Figure 1 , Figure 2 and Figure 3A glass fiber reinforced plastic air duct comprises a mounting plate 1 and an air duct body 2, the upper surface of the mounting plate 1 is fixedly connected to the lower surface of the air duct body 2, a protective net cover 5 is connected to the top of the inner wall of the air duct body 2 by bolts, a plurality of reinforcing plates 3 are fixedly arranged on the outer wall of the air duct body 2 in a circular shape, the lower surface of the reinforcing plate 3 is fixedly connected to the upper surface of the mounting plate 1, a plurality of reinforcing rings 4 are evenly interspersed on the plurality of reinforcing plates 3, the reinforcing ring 4 comprises a plurality of arc-shaped reinforcing ribs 401 connected end to end, the plurality of arc-shaped reinforcing ribs 401 are spaced apart from the plurality of reinforcing plates 3, and one end of the arc-shaped reinforcing rib 401 passes through the reinforcing plate 3.

[0032] In the present embodiment, the fiberglass wind tube is provided with a mounting plate 1 which cooperates with bolts to limit the installation of the wind tube body 2. The interior of the wind tube body 2 is used for air circulation, and a protective mesh cover 5 is connected to the top of the inner wall of the wind tube body 2 by bolts. The protective mesh cover 5 can provide a certain protection for the interior of the wind tube body 2 and prevent foreign matter from entering the wind tube body 2 and affecting the circulation of gas. Furthermore, a plurality of reinforcing plates 3 are fixedly installed in a circle between the outer wall of the wind tube body 2 and the upper surface of the mounting plate 1. The reinforcing plates 3 can provide a certain reinforcement between the wind tube body 2 and the mounting plate 1, thereby enhancing the stability of the wind tube body 2 during use and the strength of the wind tube body 2. Furthermore, the plurality of reinforcing plates 3 are fixedly installed in a circle between the outer wall of the wind tube body 2 and the upper surface of the mounting plate 1. There are several reinforcement rings 4 inserted on it, and the several reinforcement rings 4 are all located on the outside of the wind cylinder body 2, so that when an external force hits the wind cylinder body 2, the several reinforcement rings 4 can play a certain interception role, and can try to avoid the wind cylinder body 2 from being broken or damaged due to strong impact or external force on the wind cylinder body 2, thereby extending the service life of the wind cylinder body 2, and the reinforcement ring 4 includes a plurality of arc-shaped reinforcement ribs 401 connected end to end, the number of the plurality of arc-shaped reinforcement ribs 401 is the same as the number of the plurality of reinforcement plates 3, and the plurality of arc-shaped reinforcement ribs 401 and the plurality of reinforcement plates 3 are arranged at intervals, so that it is convenient for personnel to install or disassemble and replace the arc-shaped reinforcement ribs 401, which can make the present application more conducive to practical use.

[0033] In a further preferred embodiment of the present invention, Figure 1 , Figure 2 and Figure 4 As shown, the mounting plate 1 comprises a rectangular plate 101 fixedly connected to the lower surface of the wind cylinder body 2 , a through opening 102 communicating with the wind cylinder body 2 is formed on the rectangular plate 101 , and a plurality of mounting holes 103 are evenly formed on the rectangular plate 101 .

[0034] In this embodiment, the rectangular plate 101 can be installed and limited by cooperating with the bolts through the opening of several installation holes 103. The installation position of the wind cylinder body 2 can be limited by installing the rectangular plate 101, and the opening 102 can facilitate the circulation of air inside the wind cylinder body 2.

[0035] In a further preferred embodiment of the present invention, Figure 1 and Figure 4 As shown, the protective net cover 5 includes a cross support frame 501 connected to the top of the inner wall of the wind cylinder body 2 by bolts, and a steel wire mesh 502 is fixedly connected to the upper surface of the cross support frame 501.

[0036] In this embodiment, the cross support frame 501 can provide a certain support to the wire mesh 502, thereby minimizing deformation of the wire mesh 502 after long-term use. The wire mesh 502 can provide a certain protection to the interior of the wind cylinder body 2 to prevent foreign matter from entering the wind cylinder body 2.

[0037] In a further preferred embodiment of the present invention, Figure 1 , Figure 3 and Figure 4 As shown, the reinforcing plate 3 includes a triangular plate 301 fixedly connected to the outer wall of the wind cylinder body 2, the lower surface of the triangular plate 301 is fixedly connected to the upper surface of the rectangular plate 101, and a plurality of insertion holes 302 are evenly opened on the triangular plate 301 for passing through the triangular plate 301, and one end of the arc-shaped reinforcing rib 401 passes through the interior of the insertion hole 302.

[0038] In this embodiment, the triangular plate 301 is fixedly installed on the outer wall of the wind cylinder body 2 and the upper surface of the rectangular plate 101, so that the connection between the wind cylinder body 2 and the rectangular plate 101 can be reinforced through the triangular plate 301, and the strength of the wind cylinder body 2 is enhanced at the same time. The opened socket 302 can facilitate personnel to install the arc-shaped reinforcement rib 401.

[0039] In a further preferred embodiment of the present invention, Figure 2 , Figure 3 and Figure 4 As shown, the arc-shaped reinforcement rib 401 includes an arc-shaped bar 4011 , one end of which is fixedly connected with a plug post 4012 , which passes through the interior of the insertion hole 302 , and the other end of the arc-shaped bar 4011 is provided with a slot 4013 , and the plug post 4012 matches the slot 4013 .

[0040] In this embodiment, the arc strip 4011 can be installed by passing the plug post 4012 at one end of the arc strip 4011 through the insertion hole 302 and inserting it into the slot 4013 at one end of the adjacent arc strip 4011. The arc strip 4011 can provide a certain degree of protection for the wind cylinder body 2.

[0041] In a further preferred embodiment of the present invention, Figure 3As shown, a first reinforcement hole 6 connected to the slot 4013 is formed at one end of the arc strip 4011, a second reinforcement hole 7 for passing the plug post 4012 is formed on the plug post 4012, and reinforcement bolts 8 are arranged inside the first reinforcement hole 6 and the second reinforcement hole 7.

[0042] In this embodiment, by cooperating with the first reinforcement hole 6 and the second reinforcement hole 7, it is convenient for personnel to insert and install the reinforcement bolt 8 at the connection between one end of the adjacent arc strip 4011 and the plug column 4012, thereby enhancing the stability of the connection between the adjacent arc strips 4011.

[0043] In a further preferred embodiment of the present invention, Figure 3 As shown, both ends of the arc strip 4011 are fixedly connected with protective pads 9, and one end of the protective pad 9 away from the arc strip 4011 abuts against the outer wall of the triangular plate 301. The protective pad 9 is provided with a through hole 10 for passing the protective pad 9, and the plug 4012 passes through the inside of the through hole 10.

[0044] In this embodiment, when installing the arc strip 4011, the protective pad 9 can be made of rubber material. When installed, the protective pad 9 can be located between one end of the arc strip 4011 and the outer wall of the triangular plate 301 to play a certain protective role. At the same time, it can also enhance the stability of the connection between the arc strip 4011 and the triangular plate 301. The through hole 10 provided can facilitate the insertion of the column 4012.

[0045] The implementation principle of a glass fiber reinforced plastic air duct in the embodiment of the present application is:

[0046] When in use, the interior of the wind cylinder 2 is protected by the protective mesh cover 5 to prevent foreign matter from entering the interior of the wind cylinder 2. By supporting several reinforcement plates 3 in a circular shape between the upper surface of the mounting plate 1 and the outer wall of the wind cylinder 2, a certain reinforcement effect is played between the wind cylinder 2 and the mounting plate 1, thereby enhancing the stability of the wind cylinder 2 when in use and the strength of the wind cylinder 2. Several reinforcement rings 4 are installed on several reinforcement plates 3 so that several reinforcement rings 4 are all located outside the wind cylinder 2. Therefore, when an external force hits the wind cylinder 2, the several reinforcement rings 4 can play a certain interception role, and can try to avoid the wind cylinder 2 from being broken or damaged due to strong impact or external force on the wind cylinder 2, thereby extending the service life of the wind cylinder 2 and making the present application more conducive to practical use.

[0047] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A glass fiber reinforced plastic air duct, comprising a mounting plate (1) and an air duct body (2), characterized in that: The upper surface of the mounting plate (1) is fixedly connected to the lower surface of the wind cylinder body (2), and the top of the inner wall of the wind cylinder body (2) is connected to a protective net cover (5) by bolts; A plurality of reinforcing plates (3) which are fixedly arranged in a circumferential manner on the outer wall of the wind cylinder body (2), and the lower surface of the reinforcing plates (3) is fixedly connected to the upper surface of the mounting plate (1); A plurality of reinforcement rings (4) are uniformly interspersed on the plurality of reinforcement plates (3); the reinforcement rings (4) include a plurality of arc-shaped reinforcement ribs (401) connected end to end; the plurality of arc-shaped reinforcement ribs (401) are spaced apart from the plurality of reinforcement plates (3); one end of the arc-shaped reinforcement rib (401) passes through the reinforcement plate (3).

2. A glass fiber reinforced plastic air duct according to claim 1, characterized in that: The mounting plate (1) comprises a rectangular plate (101) fixedly connected to the lower surface of the wind cylinder body (2), the rectangular plate (101) being provided with a through opening (102) connected to the wind cylinder body (2), and the rectangular plate (101) being evenly provided with a plurality of mounting holes (103).

3. A glass fiber reinforced plastic air duct according to claim 1, characterized in that: The protective net cover (5) comprises a cross support frame (501) connected to the top of the inner wall of the wind cylinder body (2) by bolts, and a steel wire mesh (502) is fixedly connected to the upper surface of the cross support frame (501).

4. A glass fiber reinforced plastic air duct according to claim 2, characterized in that: The reinforcing plate (3) comprises a triangular plate (301) fixedly connected to the outer wall of the wind cylinder body (2); the lower surface of the triangular plate (301) is fixedly connected to the upper surface of the rectangular plate (101); a plurality of insertion holes (302) are evenly arranged on the triangular plate (301) for passing through the triangular plate (301); and one end of the arc-shaped reinforcing rib (401) passes through the interior of the insertion hole (302).

5. A glass fiber reinforced plastic air duct according to claim 4, characterized in that: The arc-shaped reinforcing rib (401) comprises an arc-shaped bar (4011), one end of the arc-shaped bar (4011) is fixedly connected with a plug post (4012), the plug post (4012) passes through the interior of the insertion hole (302), and the other end of the arc-shaped bar (4011) is provided with a slot (4013), and the plug post (4012) matches the slot (4013).

6. A glass fiber reinforced plastic air duct according to claim 5, characterized in that: A first reinforcement hole (6) connected to the slot (4013) is provided at one end of the arc strip (4011), a second reinforcement hole (7) passing through the insertion column (4012) is provided on the insertion column (4012), and reinforcement bolts (8) are provided inside the first reinforcement hole (6) and the second reinforcement hole (7).

7. A glass fiber reinforced plastic air duct according to claim 6, characterized in that: Both ends of the arc-shaped strip (4011) are fixedly connected with protective pads (9), one end of the protective pad (9) away from the arc-shaped strip (4011) is in contact with the outer wall of the triangular plate (301), and a through hole (10) is provided on the protective pad (9) for passing the protective pad (9), and the plug (4012) passes through the inside of the through hole (10).

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