Sound insulation pad with through holes

Abstract

The utility model provides a sound insulation pad with perforated holes, which relates to the technical field of sound insulation pads and comprises a perforated plate and a sound insulation plate, fixing devices are arranged on two sides of the perforated plate, each fixing device comprises a threaded rod, each threaded rod is in threaded connection with the perforated plate, one side of each threaded rod is fixedly connected with a nut, and the other side of each threaded rod is fixedly connected with the sound insulation plate. The surface of the threaded rod is in threaded connection with a connecting plate, one side of the connecting plate is fixedly connected with a sound insulation plate, a through hole is formed in one side of the perforated plate, the size of the through hole in the surface of the perforated plate is matched with the size of the connecting plate, and the side, away from the sound insulation plate, of the connecting plate is fixedly connected with a trapezoidal block. According to the sound insulation pad, the perforated plate and the sound insulation plate can be rapidly fixed and detached through the fixing device, then the perforated plate can be rapidly replaced after being damaged, and then the use cost of the sound insulation pad is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sound insulation pads, in particular to a sound insulation pad with perforations. Background Art

[0002] Sound insulation pad is a device used for sound insulation. It can effectively reduce noise and provide a quiet working or living environment. Sound insulation pad is usually made of rubber, polyethylene, polyurethane and other materials. The perforated sound insulation pad can also make the sound refract multiple times inside the sound insulation pad through the perforations, thereby reducing the energy of the sound and improving the sound insulation effect.

[0003] Where high-speed rail passes, perforated sound insulation pads will be installed on both sides of the high-speed rail to reduce the noise during the operation of the high-speed rail and the impact on the surrounding environment. When installing the perforated sound insulation pads, the perforated plate and the sound insulation board will be fixed, and then the sound insulation pads will be fixed for use after the sound insulation pads are assembled. When the holes on the surface of the perforated plate are blocked or damaged, the sound insulation board needs to be replaced as a whole, which will affect the cost of using the sound insulation pads. Utility Model Content

[0004] The utility model proposes a sound insulation pad with perforations to solve the problem that when the holes on the surface of the perforated plate are blocked or damaged, the sound insulation board needs to be replaced as a whole, which then affects the use cost of the sound insulation pad.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a perforated sound insulation pad, comprising a perforated plate and a sound insulation plate, fixing devices are provided on both sides of the perforated plate, the fixing devices include a threaded rod, the threaded rod is threadedly connected to the perforated plate, a nut is fixedly connected to one side of the threaded rod, a connecting plate is threadedly connected to the surface of the threaded rod, one side of the connecting plate is fixedly connected to the sound insulation plate, a through hole is opened on one side of the perforated plate, and the size of the through hole on the surface of the perforated plate is adapted to the size of the connecting plate.

[0006] The effect achieved by the above components is: where the high-speed rail passes, perforated sound insulation pads will be installed on both sides of the high-speed rail, and then the noise generated by the high-speed rail during operation will be reduced, and the impact on the surrounding environment will be reduced. When installing the perforated sound insulation pads, the perforated plates and sound insulation plates will be fixed, and then after the sound insulation pads are assembled, they will be fixed for use. When fixing the sound insulation board and the perforated board together, move the perforated board so that the through holes on the surface of the perforated board contact the connecting blocks on the surface of the sound insulation board, and then turn the nut to make the nut drive the threaded rod to rotate, and then the threaded rod passes through the perforated board to reach the inside of the connecting board, and then the position of the connecting board is fixed, and then the position of the perforated board and the sound insulation board is fixed. When replacing the perforated board, the nut can be turned to disengage the threaded rod from the connecting board and the perforated board, and then the old perforated board can be removed, and then the new perforated board and the sound insulation board can be put together, and then the above fixing steps are repeated, and then the replacement of the perforated board is completed. By using the fixing device, the perforated board and the sound insulation board can be quickly fixed and disassembled, and then the perforated board can be quickly replaced after it is damaged, thereby reducing the use cost of the sound insulation pad.

[0007] Preferably, the side of the connecting plate away from the sound insulation board is fixedly connected to the trapezoidal block, and the size of the trapezoidal block on the side away from the connecting plate is smaller than the size on the other side.

[0008] The effect achieved by the above components is that by using the trapezoidal blocks, the size of one side of the connection plate can be reduced, and then the connection plate can be more easily inserted into the through hole on the surface of the perforated plate.

[0009] Preferably, a storage groove is provided on one side of the perforated plate close to the nut, and the size of the storage groove is adapted to the size of the nut.

[0010] The effect achieved by the above components is: by using the storage groove on the surface of the perforated plate, the nut is stored inside the perforated plate, and then the nut is hidden.

[0011] Preferably, an auxiliary groove is provided on a side of the nut away from the threaded rod, and a cross section of the auxiliary groove on the surface of the nut is cross-shaped.

[0012] The effect achieved by the above components is: by using the auxiliary groove on the surface of the nut, it is convenient for the nut to contact with the screwdriver, and then it is convenient to rotate the nut.

[0013] Preferably, a plurality of anti-skid grooves are provided on both sides of the perforated plate, and the plurality of anti-skid grooves are arranged equidistantly on the surface of the perforated plate.

[0014] The effect achieved by the above components is: by using the anti-skid grooves on the surface of the perforated plate, the friction between the perforated plate and the operator is improved, and then the operator can move the perforated plate more easily.

[0015] Preferably, protective devices are provided on both sides of the perforated plate, and the protective devices include sliding grooves opened on the surface of the perforated plate, and the sliding grooves on the surface of the perforated plate are slidably connected to the protective plates, and the size of the protective plates is adapted to the size of the nuts.

[0016] The effect achieved by the above components is: after using nuts and threaded rods to fix the perforated plate and the sound insulation board, the protective plate can be moved so that the protective plate moves inside the slide groove on the surface of the perforated plate, and then the protective plate reaches the upper end of the nut, and then the nut is shielded and protected. By using a protective device, the nut is prevented from contacting the external environment, and the impact of the external environment on the nut is reduced, and then the service life of the nut is increased, thereby increasing the service life of the fixing device.

[0017] Preferably, a plurality of protruding blocks are fixedly connected to one side of the protective plate, and the plurality of protruding blocks are arranged equidistantly on the surface of the protective plate.

[0018] The effect achieved by the above components is: by using the protruding block, the friction between the operator and the protective plate is improved, and then the operator can move the protective plate more easily.

[0019] Preferably, a sealing block is fixedly connected to one side of the protective plate close to the perforated plate, and the size of the sealing block is matched with the size of the protective plate.

[0020] The effects achieved by the above components are: by using the sealing block, the sealing between the protective plate and the nut is improved, and then the protective effect of the protective plate on the nut is improved.

[0021] In summary, the beneficial effects of the utility model are:

[0022] By using the fixing device, the perforated plate and the sound insulation plate can be quickly fixed and disassembled, and then after the perforated plate is damaged, the perforated plate can be quickly replaced, thereby reducing the use cost of the sound insulation pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the fixing device of the utility model;

[0025] Figure 3 For this utility model Figure 2 Schematic diagram of the local three-dimensional structure;

[0026] Figure 4 It is a partial three-dimensional structural schematic diagram of the fixing device of the utility model.

[0027] Legend: 1. Perforated plate; 2. Fixing device; 21. Threaded rod; 22. Nut; 23. Connecting plate; 24. Through hole; 25. Trapezoidal block; 26. Storage slot; 27. Auxiliary slot; 28. Anti-slip slot; 3. Protective device; 31. Slide slot; 32. Protective plate; 33. Protruding block; 34. Sealing block; 4. Sound insulation board. DETAILED DESCRIPTION

[0028] Reference Figure 1-4 As shown, this embodiment discloses a sound insulation pad with perforations, including a perforated plate 1 and a sound insulation plate 4 , and fixing devices 2 are provided on both sides of the perforated plate 1 .

[0029] Reference Figure 1-4 As shown, this embodiment discloses that the fixing device 2 includes a threaded rod 21, the threaded rod 21 is threadedly connected to the perforated plate 1, a nut 22 is fixedly connected to one side of the threaded rod 21, a connecting plate 23 is threadedly connected to the surface of the threaded rod 21, one side of the connecting plate 23 is fixedly connected to the sound insulation board 4, a through hole 24 is opened on one side of the perforated plate 1, and the size of the through hole 24 on the surface of the perforated plate 1 is adapted to the size of the connecting plate 23. In places where high-speed rails pass, perforated sound insulation pads will be installed on both sides of the high-speed rail to reduce the noise during the operation of the high-speed rail and the impact on the surrounding environment. When installing the perforated sound insulation pads, the perforated plate 1 and the sound insulation board 4 will be fixed, and then after the sound insulation pads are assembled, they will be fixed for use. When fixing the sound insulation board 4 and the perforated plate 1 together, move the perforated plate 1 so that the through hole 24 on the surface of the perforated plate 1 contacts the connecting block on the surface of the sound insulation board 4, and then turn the nut 22 to make the nut 22 drive the threaded rod 21 to rotate, and then the threaded rod 21 passes through the perforated plate 1 to reach the inside of the connecting plate 23, and then the position of the connecting plate 23 is fixed, and then the position of the perforated plate 1 and the sound insulation board 4 is fixed. When replacing the perforated plate 1, the nut 22 can be turned to make the threaded rod 21 disengage from the connecting plate 23 and the perforated plate 1, and then the old perforated plate 1 can be removed, and then the new perforated plate 1 and the sound insulation board 4 are put together, and then the above fixing steps are repeated, and then the replacement of the perforated plate 1 is completed. By using the fixing device 2, the perforated plate 1 and the sound insulation board 4 can be quickly fixed and disassembled, and then the perforated plate 1 can be quickly replaced after it is damaged, thereby reducing the use cost of the sound insulation pad.

[0030] Reference Figure 1-4As shown, this embodiment discloses that the side of the connecting plate 23 away from the sound insulation board 4 is fixedly connected to the trapezoidal block 25, and the size of the side of the trapezoidal block 25 away from the connecting plate 23 is smaller than the size of the other side. By using the trapezoidal block 25, the size of one side of the connecting plate 23 can be reduced, and then the connecting plate 23 can be more easily inserted into the through hole 24 on the surface of the perforated plate 1. A storage groove 26 is provided on the side of the perforated plate 1 close to the nut 22, and the size of the storage groove 26 is adapted to the size of the nut 22. By using the storage groove 26 on the surface of the perforated plate 1, the nut 22 is stored inside the perforated plate 1, and then the nut 22 is hidden. An auxiliary groove 27 is provided on the side of the nut 22 away from the threaded rod 21, and the cross-section of the auxiliary groove 27 on the surface of the nut 22 is cross-shaped. By using the auxiliary groove 27 on the surface of the nut 22, it is convenient for the nut 22 to contact with the screwdriver, and then it is convenient to rotate the nut 22. A plurality of anti-skid grooves 3128 are provided on both sides of the perforated plate 1, and the plurality of anti-skid grooves 3128 are arranged equidistantly on the surface of the perforated plate 1. By using the anti-skid grooves 3128 on the surface of the perforated plate 1, the friction between the perforated plate 1 and the operator is increased, and then the operator can move the perforated plate 1 more easily.

[0031] Reference Figure 1-4 As shown, the present embodiment discloses that both sides of the perforated plate 1 are provided with protective devices 3, and the protective devices 3 include a slide groove 31 opened on the surface of the perforated plate 1, and a protective plate 32 is slidably connected inside the slide groove 31 on the surface of the perforated plate 1, and the size of the protective plate 32 is adapted to the size of the nut 22. After the perforated plate 1 and the sound insulation board 4 are fixed by using the nut 22 and the threaded rod 21, the protective plate 32 can be moved to move inside the slide groove 31 on the surface of the perforated plate 1, and then the protective plate 32 reaches the upper end of the nut 22, and then the nut 22 is shielded and protected. By using the protective device 3, the nut 22 is prevented from contacting the external environment, and then the influence of the external environment on the nut 22 is reduced, and then the service life of the nut 22 is increased, thereby increasing the service life of the fixing device 2.

[0032] Reference Figure 1-4 As shown, the present embodiment discloses that a plurality of protrusions 33 are fixedly connected to one side of the protective plate 32, and the plurality of protrusions 33 are arranged equidistantly on the surface of the protective plate 32. By using the protrusions 33, the friction between the operator and the protective plate 32 is increased, and then the operator can move the protective plate 32 more easily. A sealing block 34 is fixedly connected to one side of the protective plate 32 close to the perforated plate 1, and the size of the sealing block 34 is adapted to the size of the protective plate 32. By using the sealing block 34, the sealing between the protective plate 32 and the nut 22 is improved, and then the protective effect of the protective plate 32 on the nut 22 is improved.

[0033] Working principle: In places where high-speed rail passes, perforated sound insulation pads will be installed on both sides of the high-speed rail to reduce the noise caused by the high-speed rail during operation and the impact on the surrounding environment. When installing the perforated sound insulation pads, the perforated plate 1 and the sound insulation plate 4 will be fixed, and then the sound insulation pads will be assembled and then fixed for use. When fixing the sound insulation plate 4 to the perforated plate 1, move the perforated plate 1 with the anti-slip groove 28 so that the through hole 24 on the surface of the perforated plate 1 contacts the connecting block on the surface of the sound insulation plate 4, and then use a tool to rotate the nut 22 with the auxiliary groove 27 so that the nut 22 drives the threaded rod 21 to rotate, and then the threaded rod 21 passes through the perforated plate 1 to reach the inside of the connecting plate 23 with the trapezoidal block 25. At this time, the nut 22 is inside the storage groove 26, and then the position of the connecting plate 23 is fixed, and then the perforated plate 1 and the sound insulation are completed. To fix the position of the plate 4, when replacing the perforated plate 1, the nut 22 can be turned to disengage the threaded rod 21 from the connecting plate 23 and the perforated plate 1, and then the old perforated plate 1 can be removed, and then the new perforated plate 1 and the sound insulation plate 4 can be put together, and then the above fixing steps are repeated to complete the replacement of the perforated plate 1. By using the fixing device 2, the perforated plate 1 and the sound insulation plate 4 can be quickly fixed and disassembled, and then the perforated plate 1 can be quickly replaced after it is damaged, thereby reducing the use cost of the sound insulation pad.

[0034] After the perforated plate 1 and the sound insulation plate 4 are fixed by using the nut 22 and the threaded rod 21, the protective plate 32 with the protruding block 34 can be moved so that the protective plate 32 with the sealing block 34 moves inside the slide groove 31 on the surface of the perforated plate 1, and then the protective plate 32 reaches the upper end of the nut 22, and then the nut 22 is shielded and protected. By using the protective device 3, the nut 22 is prevented from contacting the external environment, and then the influence of the external environment on the nut 22 is reduced, and then the service life of the nut 22 is increased, thereby increasing the service life of the fixing device 2.

Claims

1. A perforated sound insulation pad, comprising a perforated plate (1) and a sound insulation plate (4), characterized in that: Fixing devices (2) are provided on both sides of the perforated plate (1), and the fixing devices (2) include threaded rods (21), the threaded rods (21) are threadedly connected to the perforated plate (1), a nut (22) is fixedly connected to one side of the threaded rod (21), a connecting plate (23) is threadedly connected to the surface of the threaded rod (21), one side of the connecting plate (23) is fixedly connected to the sound insulation plate (4), and a through hole (24) is opened on one side of the perforated plate (1), and the size of the through hole (24) on the surface of the perforated plate (1) is compatible with the size of the connecting plate (23).

2. A perforated sound insulation pad according to claim 1, characterized in that: The side of the connecting plate (23) away from the sound insulation plate (4) is fixedly connected to the trapezoidal block (25), and the size of the side of the trapezoidal block (25) away from the connecting plate (23) is smaller than the size of the other side.

3. A perforated sound insulation pad according to claim 2, characterized in that: A storage groove (26) is provided on one side of the perforated plate (1) close to the nut (22), and the size of the storage groove (26) is matched with the size of the nut (22).

4. A perforated sound insulation pad according to claim 3, characterized in that: An auxiliary groove (27) is provided on a side of the nut (22) away from the threaded rod (21), and the cross section of the auxiliary groove (27) on the surface of the nut (22) is in a cross shape.

5. The perforated sound insulation pad according to claim 4, characterized in that: A plurality of anti-skid grooves (28) are provided on both sides of the perforated plate (1), and the plurality of anti-skid grooves (28) are arranged at equal distances on the surface of the perforated plate (1).

6. The perforated sound insulation pad according to claim 5, characterized in that: Protective devices (3) are provided on both sides of the perforated plate (1), and the protective devices (3) include a slide groove (31) opened on the surface of the perforated plate (1), and a protective plate (32) is slidably connected inside the slide groove (31) on the surface of the perforated plate (1), and the size of the protective plate (32) is adapted to the size of the nut (22).

7. The perforated sound insulation pad according to claim 6, characterized in that: A plurality of protruding blocks (33) are fixedly connected to one side of the protective plate (32), and the plurality of protruding blocks (33) are arranged at equal distances on the surface of the protective plate (32).

8. The perforated sound insulation pad according to claim 7, characterized in that: A sealing block (34) is fixedly connected to one side of the protective plate (32) close to the perforated plate (1), and the size of the sealing block (34) is compatible with the size of the protective plate (32).

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