Cabin penetration device with noise reduction function

Abstract

The utility model relates to the technical field of cabin penetration pipe fittings, in particular to a cabin penetration device with a noise reduction function, which comprises a cabin plate, a reinforcing circular ring is fixedly mounted in the cabin plate, a cabin penetration piece is clamped in the reinforcing circular ring, air pipes are clamped at two ends of the cabin penetration piece in a sliding manner, porous noise reduction plates are fixedly connected in the two air pipes, and the porous noise reduction plates are fixedly connected in the cabin plate. The cabin penetration piece can be stably positioned through the reinforcing circular ring, the positioning clamping block and the first bolt, so that the cabin penetration piece can be flexibly and conveniently fixed in a clamping mode, the cabin penetration device can be conveniently maintained, the maintenance efficiency of the whole cabin penetration device can be improved, and the service life of the cabin penetration device can be prolonged. The air pipe can be fixed to the flange plate of the cabin penetration piece through the flange plate at the position of the air pipe, the second bolt and the fastening nut, then the cabin penetration piece and the air pipe can be stably supported and connected through the four connecting supporting plates and the two elastic telescopic arc-shaped bases, and therefore the cabin penetration device can be more stably used.

Description

Technical Field

[0001] The utility model relates to the technical field of through-cabin pipe fittings, in particular to a through-cabin device with a sound-absorbing function. Background Art

[0002] Through-cabin pipe fittings usually refer to the pipes in the ventilation duct system. They are a type of pipe used to transport air and are often used in aerospace, shipbuilding, construction, and industry. Therefore, through-cabin pipe fittings play an important role in modern industry and life. They vary in types and functions, but they are all indispensable components.

[0003] The prior art discloses patent application number "CN202122738370.3", which is a duct access cabin component with a sound-absorbing function, including a hollow cylindrical duct body placed horizontally along the front-to-back direction, and the inner wall of the duct body is a first porous sound-absorbing plate, which improves the compositeness and integration of the ventilation accessories inside the cabin. Rock wool and porous sound-absorbing plates can both play a sound-absorbing role.

[0004] The duct access device can only achieve silencer, and in actual use, since the access devices on the cabin plate are mostly fixed by welding, the fixing of the access devices is not flexible and convenient, which is not conducive to the subsequent maintenance of the interior of the access devices, thus reducing the efficiency of maintenance, thereby affecting the overall use effect of the access devices and making them inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a cabin-through device with a sound-absorbing function to solve the problems raised in the above-mentioned background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A cabin-through device with a silencing function comprises a cabin plate, a reinforcing ring is fixedly installed inside the cabin plate, a cabin-through piece is clamped inside the reinforcing ring, air ducts are slidably clamped at both ends of the cabin-through piece, a porous silencing plate is fixed inside the two air ducts, and four first bolts are threadedly connected to the outer surface of the reinforcing ring, and the first bolts are used to fix the cabin-through piece;

[0008] An array-distributed connecting plate is installed on the outer surface of the reinforcing ring, a positioning block is slidably connected to one side of the connecting plate, the positioning block is used to fix the through-cabin part, a disc is connected to one side of the positioning block, and a first spring is fixedly connected between the positioning block and the connecting plate.

[0009] Preferably, flanges are welded to the outer surfaces of the chamber member and the air duct respectively, and one side of the two flanges is threadedly connected with second bolts distributed in an array, one side of the second bolts passes through the flange and extends to the other side of the flange, and the outer surface of the second bolts is threadedly connected with a fastening nut.

[0010] Preferably, two first U-shaped seats are fixedly installed on both sides of the cabin plate, two second U-shaped seats are fixedly connected to the outer surfaces of the two air ducts, and the interiors of the four first U-shaped seats are rotatably connected to connecting support plates, which are located inside the second U-shaped seats.

[0011] Preferably, one side of the four second U-shaped seats is slidably clamped with a positioning plate, one side of the positioning plate passes through the connecting support plate and extends to the other side of the second U-shaped seat, the positioning plate is used to fix the connecting support plate, the upper sides of the four positioning plates are clamped with limiting columns, the lower sides of the limiting columns pass through the positioning plates and extend to the lower side of the positioning plates, and one side of the four positioning plates is threadedly connected with a third bolt.

[0012] Preferably, one side of the two connecting support plates is fixedly connected with a vertical block, the upper sides of the two vertical blocks are slidably connected with a telescopic arc seat, the telescopic arc seat is located below the through-cabin part, and a second spring is connected between the two telescopic arc seats and the vertical blocks.

[0013] Preferably, one side of the positioning block passes through the connecting plate and extends to the other side of the connecting plate, and the porous sound-absorbing plate is used for sound-absorbing of the cabin-through device.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model can position the through-tank component by using the reinforcement ring, the positioning block and the first bolt, so that the through-tank component can be stably fixed. In this way, the through-tank component can be flexibly and conveniently fixed by the clamping method, thereby facilitating the maintenance of the through-tank device and improving the maintenance efficiency of the entire through-tank device;

[0016] 2. The utility model can fix the air duct at the flange of the through-cabin component by utilizing the flange, the second bolt and the fastening nut at the air duct, and then four connecting support plates and two elastic telescopic arc seats can firmly support the connection between the through-cabin component and the air duct, so that the through-cabin device can be used more stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This utility model Figure 1A schematic diagram of the structure of the middle positioning block and the first spring;

[0020] Figure 3 This utility model Figure 1 Schematic diagram of the installation of the wind pipe and the porous sound-absorbing plate;

[0021] Figure 4 This utility model Figure 3 The enlarged view of point A in the middle;

[0022] The reference numerals in the figures are as follows:

[0023] 1. Cabin plate; 2. Reinforcement ring; 3. Cabin passage; 4. Air duct; 5. Multi-hole silencer; 6. Connecting plate; 7. First bolt; 8. Positioning block; 9. Disc; 10. First spring; 11. Flange; 12. Second bolt; 13. Fastening nut; 14. First U-shaped seat; 15. Second U-shaped seat; 16. Connecting support plate; 17. Positioning plug plate; 18. Limiting column; 19. Third bolt; 111. Vertical block; 222. Telescopic arc seat; 333. Second spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 4 As shown, a cabin-through device with a silencing function comprises a cabin plate 1, a reinforcing ring 2 is fixedly installed inside the cabin plate 1, a cabin-through piece 3 is clamped inside the reinforcing ring 2, and the cabin-through piece 3 can be preliminarily reinforced and positioned by using the reinforcing ring 2, so that the cabin-through piece 3 can be installed inside the cabin plate 1, which is convenient to use, air ducts 4 are slidably clamped at both ends of the cabin-through piece 3, and porous sound-absorbing plates 5 are fixedly connected inside the two air ducts 4, and the porous sound-absorbing plates 5 are arranged, wherein the porous sound-absorbing plates 5 are made of high-density materials and have a large number of uniformly distributed micropores or honeycomb structures inside, which can effectively block and absorb the propagation of sound waves, so that the porous sound-absorbing plates 5 at the air ducts 4 can make the cabin-through piece 3 play a silencing role, so that the cabin-through device has the ability to silence, and the outer surface of the reinforcing ring 2 is threadedly connected with four first bolts 7, and the first bolts 7 are used to fix the cabin-through piece 3;

[0026] The outer surface of the reinforcement ring 2 is installed with an array-distributed connecting plate 6, and a positioning block 8 is slidably connected to one side of the connecting plate 6. The positioning block 8 is used to fix the through-cabin component 3. A disc 9 is connected to one side of the positioning block 8. A first spring 10 is fixedly connected between the positioning block 8 and the connecting plate 6. Through the setting of the disc 9, the elastic positioning block 8 can be compressed by pulling the disc 9 to release the fixation of the through-cabin component 3, which is easy to use.

[0027] Flanges 11 are welded to the outer surfaces of the chamber passage 3 and the air duct 4 respectively. One side of the two flanges 11 is threadedly connected with array-distributed second bolts 12. One side of the second bolts 12 passes through the flange 11 and extends to the other side of the flange 11. The outer surface of the second bolt 12 is threadedly connected with a fastening nut 13.

[0028] Two first U-shaped seats 14 are fixedly installed on both sides of the cabin plate 1, and two second U-shaped seats 15 are fixedly connected to the outer surfaces of the two air ducts 4. The insides of the four first U-shaped seats 14 are rotatably connected with connecting support plates 16, and the connecting support plates 16 are located inside the second U-shaped seats 15.

[0029] One side of the four second U-shaped seats 15 is slidably clamped with a positioning plug plate 17, one side of the positioning plug plate 17 passes through the connecting support plate 16 and extends to the other side of the second U-shaped seat 15, the positioning plug plate 17 is used to fix the connecting support plate 16, the upper sides of the four positioning plug plates 17 are clamped with limiting columns 18, the lower sides of the limiting columns 18 pass through the positioning plug plates 17 and extend to the lower side of the positioning plug plates 17, and one side of the four positioning plug plates 17 is threadedly connected with a third bolt 19.

[0030] One side of the two connecting support plates 16 is fixedly connected with the vertical block 111, and the upper sides of the two vertical blocks 111 are slidably connected with the telescopic arc seat 222, and the telescopic arc seat 222 is located below the cabin member 3. A second spring 333 is connected between the two telescopic arc seats 222 and the vertical blocks 111. By setting the connecting support plates 16 and the telescopic arc seat 222, the four connecting support plates 16 can be used to support and reinforce the installation of the cabin member 3 and the air duct 4 to ensure its stability during use. At the same time, the elastic telescopic arc seat 222 can also be elastically supported below the cabin member 3, so that the cabin member 3 can be used more stably and is not easy to shake and fall off.

[0031] One side of the positioning block 8 passes through the connecting plate 6 and extends to the other side of the connecting plate 6. The porous sound-absorbing plate 5 is used for sound-absorbing of the cabin-through device.

[0032] The working principle of a cabin-through device with a silencing function provided by the utility model is as follows:

[0033] By inserting the cabin through piece 3 into the reinforcing ring 2 of the cabin plate 1, the reinforcing ring 2 can preliminarily position the entire cabin through piece 3. At this time, the positioning block 8 equipped with the first spring 10 will also automatically embed into the cabin through piece 3, so as to further clamp and fix the cabin through piece 3. Then, four first bolts 7 are used to squeeze and fix the cabin through piece 3 at the reinforcing ring 2, so that the cabin through piece 3 can be stably fixed. In this way, the cabin through piece 3 can be fixed flexibly and conveniently by clamping, so as to facilitate the maintenance of the cabin through device, which is conducive to improving the maintenance efficiency of the entire cabin through device.

[0034] The air duct 4 can be fixed to the flange 11 of the cabin member 3 by using the flange 11, the second bolt 12 and the fastening nut 13 at the air duct 4, so that the air duct 4 can be preliminarily positioned, and then the four connecting support plates 16 are respectively rotated to the inside of the four second U-shaped seats 15, and then the positioning plug plate 17 is clamped into the second U-shaped seat 15 and the connecting support plate 16, and then the limiting column 18 and the third bolt 19 can be used to limit and fix the positioning plug plate 17, so that the four connecting support plates 16 can stably support the connection between the cabin member 3 and the air duct 4, and at the same time, the two telescopic arc seats 222 with the second spring 333 installed at the vertical block 111 will also support the bottom of the cabin member 3, so that the cabin device can be used more stably.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A cabin access device with a sound-absorbing function, comprising a cabin plate (1), characterized in that: A reinforcing ring (2) is fixedly installed inside the cabin plate (1), a cabin passage piece (3) is clamped inside the reinforcing ring (2), air ducts (4) are slidably clamped at both ends of the cabin passage piece (3), and a porous sound-absorbing plate (5) is fixedly connected inside the two air ducts (4), and four first bolts (7) are threadedly connected to the outer surface of the reinforcing ring (2), and the first bolts (7) are used to fix the cabin passage piece (3); The outer surface of the reinforcing ring (2) is provided with connecting plates (6) distributed in an array, one side of the connecting plate (6) is slidably connected with a positioning block (8), the positioning block (8) is used to fix the through-chamber member (3), one side of the positioning block (8) is connected with a disc (9), and a first spring (10) is fixedly connected between the positioning block (8) and the connecting plate (6).

2. A cabin-through device with a sound-absorbing function according to claim 1, characterized in that: The outer surfaces of the chamber passage (3) and the air duct (4) are respectively welded with flanges (11), one side of the two flanges (11) is threadedly connected with second bolts (12) distributed in an array, one side of the second bolts (12) passes through the flange (11) and extends to the other side of the flange (11), and the outer surface of the second bolts (12) is threadedly connected with a fastening nut (13).

3. A cabin-passing device with a sound-absorbing function according to claim 1, characterized in that: Two first U-shaped seats (14) are fixedly installed on both sides of the cabin plate (1), and two second U-shaped seats (15) are fixedly connected to the outer surfaces of the two air ducts (4). The interiors of the four first U-shaped seats (14) are rotatably connected to connecting support plates (16), and the connecting support plates (16) are located inside the second U-shaped seats (15).

4. A cabin-passing device with a sound-absorbing function according to claim 3, characterized in that: One side of the four second U-shaped seats (15) is slidably connected with a positioning plug plate (17), one side of the positioning plug plate (17) passes through the connecting support plate (16) and extends to the other side of the second U-shaped seat (15), the positioning plug plate (17) is used to fix the connecting support plate (16), the upper sides of the four positioning plug plates (17) are all connected with a limiting column (18), the lower side of the limiting column (18) passes through the positioning plug plate (17) and extends to the lower side of the positioning plug plate (17), and one side of the four positioning plug plates (17) is threadedly connected with a third bolt (19).

5. A cabin-through device with a sound-absorbing function according to claim 4, characterized in that: One side of the two connecting support plates (16) is fixedly connected to a vertical block (111), the upper sides of the two vertical blocks (111) are slidably connected to a telescopic arc seat (222), the telescopic arc seat (222) is located below the cabin member (3), and a second spring (333) is connected between the two telescopic arc seats (222) and the vertical blocks (111).

6. A cabin-passing device with a sound-absorbing function according to claim 1, characterized in that: One side of the positioning block (8) passes through the connecting plate (6) and extends to the other side of the connecting plate (6); the porous sound-absorbing plate (5) is used for sound-absorbing the through-cabin device.

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