Composite material shutter

Abstract

The utility model discloses a shutter made of composite materials, and relates to the field of vehicle components. The window comprises a frame, the frame comprises a frame type window plate and a window frame, the window frame corresponds to the window plate in shape and is connected to the inner side of the window plate, the window frame comprises an outer layer connected with the window plate, and a covering core is arranged between the outer layer and the window plate. According to the utility model, the window plate and the window frame are integrally formed, foam is adopted as a sandwich structure, and the periphery of the sandwich structure is coated with the resin infiltration piece made of the composite material, so that the light-weight requirement is met, and the overall rigidity can be ensured at the same time.

Description

Technical Field

[0001] The utility model discloses a composite material shutter, which relates to the field of vehicle components. Background Art

[0002] As military vehicles develop towards lightweight and high mobility, lightweight composite material technology has become a key technical approach to reducing the weight of military vehicles. In military vehicles, shutters (such as air intake windows and exhaust windows) are important components of the vehicle body subsystem, with functions such as ventilation, heat dissipation and shielding. Traditional metal shutters are heavy and difficult to use and maintain, making it difficult to meet lightweight requirements. Summary of the invention

[0003] The purpose of the utility model is to design a composite material shutter that can meet the lightweight requirements.

[0004] The utility model comprises a frame, which comprises a frame-type window panel and a window frame corresponding to the shape of the window panel and connected to the inner side of the window panel. The window frame comprises an outer layer connected to the window panel, and a core is arranged between the outer layer and the window panel.

[0005] Furthermore, the core is composed of a coating layer and a core inside the coating layer.

[0006] Furthermore, a left support bar and a right support bar with a group of slots on the inner side are respectively installed on the inner surfaces of the left and right frames of the window frame, and a group of long strip blades correspond to them, and the two ends of each blade are inserted into the slots of the left support bar and the right support bar.

[0007] Furthermore, at least one pressure strip is arranged between the left support bar and the right support bar, the upper and lower ends of the pressure strip are fixed on the upper beam and the lower beam of the window frame, and the outer side of each pressure strip is provided with a slot corresponding to each blade, and at least a part of each blade is inserted into the slot on the pressure strip.

[0008] Furthermore, each blade has protrusions smaller than its width at both ends, and the protrusions are inserted into the slots of the left support bar and the right support bar.

[0009] Furthermore, the blade is composed of two flat plate parts forming an angle, and one of the flat plate parts is inserted into the slots of the left support bar and the right support bar.

[0010] Furthermore, the outer layer is bonded to the window panel.

[0011] Furthermore, the window panel and the outer layer are resin-impregnated parts of a composite material, and the window panel and the outer layer are bonded by resin.

[0012] Furthermore, the core is composed of a covering layer and a sandwich core in the covering layer, and the covering layer is a resin impregnated part of a composite material, which is bonded to the window panel and the outer layer by resin.

[0013] In the utility model, the window panel and the window frame are integrally formed, and the foam is used as the sandwich structure, and the resin impregnation part of the composite material is coated on the periphery, so that the utility model can meet the lightweight requirements while ensuring the overall rigidity. The utility model adopts blades with a certain angle. Compared with flat blades, blades with a certain angle have better structural rigidity and shading effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of embodiment 1 of the utility model;

[0015] Figure 2 for Figure 1 The cross-sectional view of the blade and frame at A in the figure;

[0016] Figure 3 for Figure 2 A partial enlarged view of point B in the middle;

[0017] Figure 4 for Figure 2 A partial enlarged view of point C in the middle;

[0018] Figure 5 for Figure 1 The main view of the middle frame;

[0019] Figure 6 for Figure 1 Top view of the middle blade;

[0020] Figure 7 for Figure 1 Left view of the middle layer;

[0021] Figure 8 It is a stereogram of Example 2 of the utility model;

[0022] Among them: 1. frame, 2. window panel, 3. window frame, 4. sandwich core, 5. covering layer, 6. outer layer, 7. notch, 8. left support bar, 9. right support bar, 10. blade, 11. protrusion, 12. pressure strip, 13. core. DETAILED DESCRIPTION

[0023] by Figure 5 The up, down, left, right, front, and back directions of the embodiment are defined as follows: Figure 5 The front-to-back direction defines the inner and outer sides of the embodiment, wherein Figure 5 The front side in the figure is the inner side of the embodiment, and the rear side is the outer side of the embodiment. Example 1

[0024] As shown in the figure, this embodiment includes a frame 1, and the frame 1 includes a window panel 2 and a window frame 3. Among them, the window panel 2 is of a frame structure, and in this embodiment, a "day" - shaped structure is adopted; a downward protrusion is provided at the upper part of the window panel 2 for installing hinges. In this embodiment, 10 layers of fiber fabrics are arranged inside the window panel 2, which can be made of fiberglass or carbon fiber, and can enhance the overall stiffness of the shutter when in use. The thickness of the window panel 2 is 4 - 8 mm, for example, it can be 4 mm, 5 mm, 6 mm, 7 mm, 8 mm.

[0025] On the inner side of the window panel 2, there is a window frame 3, and the window frame 3 corresponds to the shape of the window panel 2. The window frame 3 includes an outer layer 6; in this embodiment, the outer layer 6 is composed of five layers of fiber fabrics. The outer layer 6 can be made of fiberglass or carbon fiber and is adhesively fixed on the inner surface of the window frame. A core - wrapped layer 13 is arranged between the outer layer 6 and the window panel 2; the core - wrapped layer 13 includes a sandwich core 4, the sandwich core 4 is made of polyurethane foam, and a cladding layer 5 is arranged on the outer periphery. The cladding layer 5 is composed of two layers of fiber fabrics, which can be made of fiberglass or carbon fiber, and plays a certain supporting role for the sandwich core 4.

[0026] Resin infiltration parts are used between the cladding layer 5, the outer layer 6 and the window panel 2; the resin is poured into each layer of fiber fabric by infiltration, and after curing, it forms a composite material with the fiber fabric; the window panel 2, the cladding layer 5 and the outer layer 6 are adhesively bonded to each other through resin, so that the window panel 2 and the window frame 3 are integrally formed. The thickness of the window frame 3 is 20 - 40 mm, for example, it can be 20 mm, 30 mm, 40 mm; a groove is provided at the upper part of the window frame 2, and its position corresponds to the protrusion at the upper part of the window panel 2, for providing an installation space for the hinge.

[0027] On the inner sides of the left and right frames of the window frame 3, there are a left support bar 8 and a right support bar 9. The left support bar 8 and the right support bar 9 are installed on the inner surface of the window frame 3 through right - angle corner brackets and rivets. The two support bars have the same shape and are both made of composite material plates of fiberglass or carbon fiber. A group of slots are arranged on the inner side for placing the blades 10. In this embodiment, a group of blades is provided. The blades 10 are made of composite material plates of fiberglass or carbon fiber, and the number corresponds to the number of slots of the support bars. The blades 10 are long - strip - shaped and are composed of two flat - plate parts with an included angle. The included angle can be set to 155° - 170°, for example, it can be 155°, 160°, 165°, 170°; when in use, the blades with a certain included angle have a better light - shielding effect than flat blades. The thickness of the blades 10 is 3 - 8 mm, for example, it can be 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm. At the left and right ends of the inner flat - plate part of the blades 10, there are protrusions 11. The width of the protrusions 11 is smaller than the width of the inner flat - plate part of the blades 10; the shape of the protrusions 11 corresponds to the shape of the slots of the support bars, and the length of the protrusions 11 extending along the left - right direction of the blades 10 is greater than the length of the support bars. When in use, the blades 10 can be inserted into the slots of the two support bars through the protrusions 11.

[0028] A group of notches are provided on the inner surface of the blade 10, and three notches 7 are provided in this embodiment. A group of beadings are provided on the inner side of the blade 10, and the beadings 12 are made of a composite material plate of glass fiber or carbon fiber, and the number and position correspond to the notches 7. The upper and lower ends of the beading 12 are respectively installed on the upper beam and the lower beam of the window frame 3 through right-angle brackets and screws; a groove is provided in the middle position of the outer side of the beading 12, which matches the shape of the window frame 3, and a group of slots are provided above and below the groove, and the number and position of the slots correspond to the blade 10. When in use, the slots of the beading 12 are plugged into the notches 7 to ensure the stability of the blade 10 after installation.

[0029] In this embodiment, the contact positions between the blade 10 and the two support bars and each pressure strip 12 need to be bonded by adhesive to ensure that the blade is firmly connected to avoid shaking, abnormal noise and the like.

[0030] When assembling this embodiment, first place the window panel 2 horizontally with the outer side facing downward, then place the core 13 on the inner surface of the window panel 2, and after completion, bond the outer layer 6 on the inner surface of the window panel 2, and then pour the resin into the fiber fabric layers of the window panel 2 and the window frame 3, and after curing, form a composite material with the fiber fabric; so that the window panel 2 and the window frame 3 are integrally formed. Then, the excess resin is polished and removed. After completion, the left support bar 8 and the right support bar 9 are installed on the inner surface of the window frame 3 through right-angle brackets and screws, and each blade 10 is inserted into the slots of the two support bars, and then the pressure strip 12 is inserted into the notch 7 on the inner surface of the blade 10, and the upper and lower ends of the pressure strip are fixed to the inner surface of the window frame 2 through right-angle brackets. After completion, the contact position between the blade 10 and the two support bars and the pressure strip 12 is fixed with adhesive to complete the assembly of this embodiment. Example 2

[0031] As shown in the figure, the present embodiment includes a frame 1, which is composed of a window panel 2 and a window frame 3. In the present embodiment, the window panel 2 adopts a "mouth"-shaped structure with different surfaces, and the left end forms an angle of 155 degrees with the middle plane part of the window panel 2, and the right end forms an angle of 170 degrees with the middle plane part of the window panel 2; the shape of the window frame 3 corresponds to the window panel 2. The specific structure of the window frame 2 is the same as that of the embodiment 1, and will not be repeated here.

[0032] In this embodiment, a left support bar 8 and a right support bar 9 are provided on the inner side of the window frame 2, a group of blades are inserted on the front side of the two support bars, and a notch 7 is provided on the inner surface of the blade 10; and a pressure strip 12 corresponding to the number of the notches 7 is provided on the inner side of the blade 10. The structure and connection relationship between the blade 10, the pressure strip 12 and the two support bars are the same as those in Embodiment 1, and will not be repeated here.

[0033] When the utility model is used, it is necessary to select technical solutions of different embodiments according to the location where the utility model is installed on the vehicle.

Claims

1. A composite material blind, including a frame thereof, characterized in that: The frame includes a frame-type window panel and a window frame corresponding to the shape of the window panel and connected to the inner side of the window panel. The feature of the frame is that the window frame includes an outer layer connected to the window panel, and a core is arranged between the outer layer and the window panel.

2. The composite material blind according to claim 1, characterized in that: The core is composed of a coating layer and a sandwich core in the coating layer.

3. The composite material blind according to claim 1 or 2, characterized in that: A left support bar and a right support bar with a group of slots on the inner side are respectively installed on the inner surfaces of the left and right frames of the window frame, and a group of long strip blades correspond to them, and the two ends of each blade are inserted into the slots of the left support bar and the right support bar.

4. The composite material blind according to claim 3, characterized in that: At least one pressure strip is arranged between the left support strip and the right support strip, and the upper and lower ends of the pressure strip are fixed on the upper beam and the lower beam of the window frame. The outer side of each pressure strip is provided with a slot corresponding to each blade, and at least a part of each blade is inserted into the slot on the pressure strip.

5. The composite material blind according to claim 3, characterized in that: Both ends of each blade are provided with protrusions smaller than the width thereof, and the protrusions are inserted into the slots of the left supporting bar and the right supporting bar.

6. The composite material blind according to claim 5, characterized in that: The blade is composed of two flat plate parts which form an angle, and one of the flat plate parts is inserted into the slots of the left supporting bar and the right supporting bar.

7. The composite material blind according to claim 1 or 2, characterized in that: The outer layer is bonded to the window plate.

8. The composite material blind according to claim 1 or 2, characterized in that: The window plate and the outer layer are resin impregnated parts of a composite material, and the window plate and the outer layer are bonded by resin.

9. The composite material blind according to claim 8, characterized in that: The core is composed of a covering layer and a sandwich core in the covering layer. The covering layer is a resin impregnated part of a composite material and is bonded to the window plate and the outer layer through resin.

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