Noise reduction device

Abstract

The utility model belongs to the technical field of noise reduction devices, and provides a noise reduction device which comprises a bottom plate, a connecting plate is fixedly connected to the bottom plate, a sliding groove is formed in the connecting plate, and the noise reduction device is characterized in that an adjusting mechanism used for adjusting the angle is installed on the sliding groove. The adjusting mechanism comprises a driving rotating shaft, the driving rotating shaft is rotationally connected into the sliding groove in a penetrating mode, and a threaded rod is fixedly connected to the end, close to the interior of the sliding groove, of the driving rotating shaft. According to the utility model, the threaded rod rotates to drive the threaded block to move back and forth, the threaded block moves back and forth to drive the driving connecting rod to rotate, and the driving connecting rod rotates to drive the hollow sound insulation plate to rotate on the bottom plate, so that the hollow sound insulation plate can be tightly attached to the wall body of a house built in the field for sound insulation; and meanwhile, the driving connecting rod can also drive the hollow sound insulation plate to be laid flat, the occupied space of the noise reduction device is reduced, and carrying is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to noise reduction device technical field especially relates to a noise noise reduction device. BACKGROUND

[0002] With the rapid development of industry, people's life rhythm is also faster and faster, industrial products, such as cars, televisions, air conditioners, etc., play an increasingly important role in people's production and life, therefore, people's dependence on industrial products is also stronger and stronger.But, with the rapid development of industry, it also brings many problems, for example, many industrial products will emit annoying noise, forming noise pollution.People live in noise pollution for a long time, will be upset, irritable, and even affect rest, cause low work efficiency, frequent errors, or cause accidents;

[0003] To solve the above problems, through the retrieval, prior art discloses (application number: CN201120015914.7) a noise noise reduction device;The paper proposes "including at least two layers of perforated sound-absorbing board, sequentially wrapped outside the noise source, and a spacing is arranged between each layer of perforated sound-absorbing board.The utility model discloses at least two layers of perforated sound-absorbing board are arranged to the noise source, effectively reduce the energy of the full-frequency noise emitted by the noise source in the air, improve the environment around the noise source, ensure the normal rest and physical and mental health of the working and living population around the noise source, and maximumly reduce the adverse effects caused by the noise source;

[0004] But the noise reduction device of the comparative case cannot be collected back, is inconvenient to carry, and the sound insulation area cannot be changed. INVENTION CONTENTS

[0005] The utility model discloses a noise noise reduction device to solve the shortcomings in the prior art.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a noise noise reduction device, including the bottom plate, the bottom plate is fixedly connected with the connecting plate, the connecting plate is equipped with the sliding slot, the sliding slot is installed with the adjusting mechanism for adjusting angle;

[0007] The adjusting mechanism includes the drive pivot, and the drive pivot is rotatably connected in the sliding slot, one end of the drive pivot close to the sliding slot is fixedly connected with the threaded rod, and the other end of the threaded rod away from the drive pivot is rotatably connected on the sliding slot, the threaded rod is rotatably connected with the threaded block, and the threaded block is rotatably connected in the sliding slot, the threaded block is rotatably connected with the drive connecting rod, one end of the drive connecting rod away from the threaded block is rotatably connected with the hollow sound insulation board for sound insulation, and the hollow sound insulation board is rotatably connected on the bottom plate.

[0008] As a further description of the above technical solutions:

[0009] When the threaded block is located at the end of the threaded rod close to the driving shaft, the driving link is in a horizontal state for retracting the hollow sound insulation board to be flat, and when the threaded block is located at the position of the connection between the bottom plate and the connecting plate, the driving link is in an inclined state for adhering the hollow sound insulation board to the object for sound insulation.

[0010] As a further description of the above technical solutions:

[0011] The two ends of the hollow sound insulation board are slidably connected with inner sound insulation sliding plates, and the hollow sound insulation board and the inner sound insulation sliding plates are provided with threaded holes, and the threaded holes are threadedly connected with bolts for fixing the positions of the inner sound insulation sliding plates on the hollow sound insulation board.

[0012] As a further description of the above technical solutions:

[0013] The two ends of the bottom plate are fixedly connected with mounting plates, and the mounting plates are threadedly connected with insertion rods for being inserted into the ground.

[0014] As a further description of the above technical solutions:

[0015] The end, away from the bottom plate, of the connecting plate is fixedly connected with a pull rod for lifting the noise reduction device.

[0016] As a further description of the above technical solutions:

[0017] The hollow sound insulation board and the inner sound insulation sliding plates are composed of polyurethane noise reduction plates, polyester fiber noise reduction plates and glass fiber noise reduction plates.

[0018] As a further description of the above technical solutions:

[0019] The lengths of the two groups of inner sound insulation sliding plates are equal to the length of the hollow sound insulation board, and are used for filling the internal space of the hollow sound insulation board.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、The utility model discloses a threaded rod is rotated and drives threaded block to move forward and backward, and threaded block moves forward and backward and drives driving link to rotate, and driving link rotates and drives hollow sound insulation board to rotate on the bottom plate, and then this can make hollow sound insulation board adhere to the wall of the house built in the field and carry out sound insulation, and driving link can also drive hollow sound insulation board to be flat, reduce the space occupied by the noise reduction device, and be convenient for carrying.

[0022] 2. In this utility model, an inner sound insulation slide plate is slidably provided inside the hollow sound insulation board, and the inner sound insulation slide plate is fixed on the hollow sound insulation board by bolts passing through the threaded holes. The position of the inner sound insulation slide plate inside the hollow sound insulation board can be adjusted, which can increase the sound insulation area. Moreover, the inner sound insulation slide plate can be retracted into the hollow sound insulation board for easy carrying. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of a noise reduction device proposed in this utility model. Figure 1 ;

[0024] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0025] Figure 3 This is a schematic diagram of the structure of a noise reduction device proposed in this utility model. Figure 2 ;

[0026] Figure 4 This is a schematic diagram of the structure of a noise reduction device proposed in this utility model. Figure 3 ;

[0027] Figure 5 This is a partial exploded view of the noise reduction device proposed in this utility model.

[0028] Legend:

[0029] 1. Base plate; 2. Connecting plate; 3. Slide groove; 4. Adjustment mechanism; 41. Drive shaft; 42. Threaded rod; 43. Threaded block; 44. Drive connecting rod; 45. Hollow sound insulation board; 5. Inner sound insulation sliding plate; 6. Threaded hole; 7. Bolt; 8. Mounting plate; 9. Insert rod; 10. Pull rod. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figures 1-5 An embodiment of this utility model is provided: a noise reduction device, including a base plate 1, a connecting plate 2 fixedly connected to the base plate 1, a sliding groove 3 provided on the connecting plate 2, and an adjustment mechanism 4 for adjusting the angle installed on the sliding groove 3;

[0032] The adjusting mechanism 4 comprises a driving rotating shaft 41, which is rotatably connected in the sliding groove 3, and the driving rotating shaft 41 is fixedly connected with a threaded rod 42 at one end close to the inside of the sliding groove 3, and the threaded rod 42 is rotatably connected with the sliding groove 3 at the other end away from the driving rotating shaft 41, and the threaded rod 42 is threadedly connected with a threaded block 43, which is slidably connected in the sliding groove 3, and the threaded block 43 is hingedly connected with a driving connecting rod 44, and the driving connecting rod 44 is hingedly connected with a hollow soundproof board 45 for sound insulation at the end away from the threaded block 43, and the hollow soundproof board 45 is hingedly connected with the bottom plate 1.

[0033] Working principle: by rotating the driving rotating shaft 41, the driving rotating shaft 41 rotates to drive the threaded rod 42 to rotate, the threaded rod 42 rotates to drive the threaded block 43 to slide back and forth in the sliding groove 3, the threaded block 43 moves back and forth to drive the driving connecting rod 44 to rotate, the driving connecting rod 44 rotates to drive the hollow soundproof board 45 to rotate on the bottom plate 1, so that the hollow soundproof board 45 can be tightly attached to the wall of the house built in the wild for sound insulation, and the driving connecting rod 44 can also drive the hollow soundproof board 45 to be flat, reducing the space occupied by the noise reduction device, and facilitating carrying.

[0034] As a preferred embodiment, when the threaded block 43 is located at one end of the threaded rod 42 close to the driving rotating shaft 41, the driving connecting rod 44 is in a horizontal state for retracting and flattening the hollow soundproof board 45, and when the threaded block 43 is located at the position of the connection between the bottom plate 1 and the connecting plate 2, the driving connecting rod 44 is in an inclined state for attaching the hollow soundproof board 45 to the object for sound insulation.

[0035] As shown in Figure 1 : adjusting the angle of the hollow soundproof board 45 not only can make the hollow soundproof board 45 flat to reduce the occupation of space, but also can make the hollow soundproof board 45 tightly attached to the wall of the house built in the wild for sound insulation.

[0036] As a preferred embodiment, the two ends of the hollow soundproof board 45 are slidably connected with an inner soundproof sliding plate 5, and the hollow soundproof board 45 and the inner soundproof sliding plate 5 are provided with threaded holes 6, and the threaded holes 6 are threadedly connected with bolts 7 for fixing the position of the inner soundproof sliding plate 5 on the hollow soundproof board 45.

[0037] As shown in Figure 3 : adjusting the position of the inner soundproof sliding plate 5 in the hollow soundproof board 45 can increase the sound insulation area, and the inner soundproof sliding plate 5 can be retracted into the hollow soundproof board 45 for easy carrying.

[0038] As a preferred embodiment, the two ends of the bottom plate 1 are fixedly connected with mounting plates 8, and the mounting plates 8 are threadedly connected with insertion rods 9 for insertion into the ground.

[0039] As shown in Figure 1As shown: by inserting the insertion rod 9 on the ground, the sound insulation and noise reduction device can be installed on the ground.

[0040] As a preferred embodiment, the connecting plate 2 is fixed with a pull rod 10 at the end away from the bottom plate 1, which is used to lift the noise reduction device.

[0041] As shown: Figures 1-3 The pull rod is located at the rear of the noise reduction device.

[0042] As a preferred embodiment, the hollow sound insulation plate 45 and the inner sound insulation sliding plate 5 are composed of polyurethane noise reduction plate, polyester fiber noise reduction plate and glass fiber noise reduction plate.

[0043] As shown: Figures 1-3 By setting three layers of noise reduction plates, the noise can be sound-insulated and noise-reduced in multiple layers, and the noise reduction effect can be improved.

[0044] As a preferred embodiment, the sum of the length dimensions of the two groups of inner sound insulation sliding plates 5 is equal to the length dimension of the hollow sound insulation plate 45, and is used to fill the internal space of the hollow sound insulation plate 45.

[0045] As shown: Figures 1-3 When it is not necessary to expand the sound insulation range, the two groups of inner sound insulation sliding plates 5 can be retracted into the internal space of the hollow sound insulation plate 45.

[0046] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A noise reduction device, comprising a base plate (1), a connecting plate (2) is fixedly connected on the base plate (1), a sliding groove (3) is arranged on the connecting plate (2), characterized in that: The chute (3) is provided with an adjusting mechanism (4) for adjusting the angle. The adjusting mechanism (4) comprises a driving shaft (41) penetrating into the chute (3), a threaded rod (42) fixed to one end of the driving shaft (41) close to the inside of the chute (3), a threaded block (43) threadedly penetrating the threaded rod (42), a driving link (44) hinged to the threaded block (43), and a hollow soundproof board (45) hinged to one end of the driving link (44) away from the threaded block (43) and to the bottom plate (1).

2. The noise reduction device of claim 1, wherein: When the threaded block (43) is located at one end of the threaded rod (42) close to the driving shaft (41), the driving link (44) is in a horizontal state for retracting the hollow soundproof board (45) to be flat, and when the threaded block (43) is located at the position of the connection between the bottom plate (1) and the connecting plate (2), the driving link (44) is in an inclined state for adhering the hollow soundproof board (45) to the object for soundproofing.

3. A noise reducing device according to claim 2, characterized in that: Both ends of the hollow soundproof board (45) are slidingly connected with inner soundproof sliding plates (5), and the hollow soundproof board (45) and the inner soundproof sliding plates (5) are provided with threaded holes (6), and the threaded holes (6) are threadedly penetrated by bolts (7) for fixing the positions of the inner soundproof sliding plates (5) on the hollow soundproof board (45).

4. A noise reducing device according to claim 3, characterized in that: Both ends of the bottom plate (1) are fixedly connected with mounting plates (8), and the mounting plates (8) are threadedly penetrated by insertion rods (9) for being inserted into the ground.

5. A noise reducing device according to claim 4, characterized in that: One end of the connecting plate (2) away from the bottom plate (1) is fixedly connected with a pull rod (10) for lifting the noise reduction device.

6. A noise reducing device according to claim 5, characterized in that: The hollow soundproof board (45) and the inner soundproof sliding plates (5) are composed of polyurethane noise reduction plates, polyester fiber noise reduction plates, and glass fiber noise reduction plates.

7. A noise reducing device according to claim 6, characterized in that: The lengths of the two groups of inner soundproof sliding plates (5) are equal to the length of the hollow soundproof board (45), and are used for filling the internal space of the hollow soundproof board (45). The lengths of the two groups of inner soundproof sliding plates (5) are equal to the length of the hollow soundproof board (45), and are used for filling the internal space of the hollow soundproof board (45).

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