Sound insulation curtain

Abstract

The utility model discloses a sound insulation curtain, which relates to the technical field of curtains, and comprises a sound insulation curtain, the sound insulation curtain comprises curtain cloth and a plurality of shock absorption strips arranged on the curtain cloth in sequence, so that the sound insulation curtain has a folded state and a flatly paved unfolded state; the sliding rails extend in the unfolding direction of the sound insulation curtain, and the two ends, perpendicular to the unfolding direction, of the sound insulation curtain are slidably connected with the sliding rails; and the sealing device comprises first sealing pieces arranged on the two sides of the sound insulation curtain, each first sealing piece is provided with a first sealing face making contact with the sound insulation curtain and a second sealing face making contact with the sliding rail, and the sliding rail, the first sealing pieces and the sound insulation curtain are used for sealing the connecting position of the sound insulation curtain in the tiled and unfolded state and the sliding rail. By arranging the sealing device and the shock absorption strip, self-locking type sealing and active suppression of curtain body vibration in the curtain unfolding state are achieved, and sound leakage at the joint of the curtain body and the rail can be effectively eliminated on the premise that smooth sliding of the curtain is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of curtain technology, and in particular to a soundproof curtain. Background Technology

[0002] With increasing societal attention to noise pollution, soundproof curtains, as an important auxiliary device for building sound insulation, have been widely used in environments requiring acoustic control, such as offices and home theaters. Traditional soundproof curtains often improve sound insulation performance by increasing the curtain thickness or adding multiple layers of sound-absorbing materials, but significant shortcomings still exist in practical use.

[0003] In existing technologies, soundproof curtains typically operate via sliding tracks. However, because a certain clearance needs to be maintained between the curtain and the track, sound leakage channels can easily form between the curtain edge and the track when the curtain is open. This structural gap significantly weakens the overall sound insulation effect, especially during the propagation of mid-to-high frequency sound waves. Some improvements attempt to add a sealing structure to the track, but these often result in increased resistance to curtain movement and easier wear of components, making it difficult to balance sound insulation performance with ease of use.

[0004] There is an urgent market demand for a new type of soundproof curtain structure that can effectively eliminate sound leakage at the connection between the curtain body and the track while ensuring smooth curtain sliding. This structure needs to overcome the technical bottleneck of the mutual constraint between moving parts and sealing performance in traditional designs, and maintain a reliable acoustic sealing effect during use, thereby truly achieving an organic unity between sound insulation performance and ease of operation. Utility Model Content

[0005] The purpose of this invention is to provide a soundproof curtain to solve the problems existing in the prior art, and to effectively eliminate sound leakage at the connection between the curtain and the track while ensuring smooth sliding of the curtain.

[0006] To achieve the above objectives, this utility model provides the following solution:

[0007] A soundproof curtain, comprising:

[0008] The soundproof curtain includes a curtain fabric and a plurality of shock-absorbing strips arranged sequentially on the curtain fabric, so that the soundproof curtain has a folded state and a flat unfolded state;

[0009] The slide rail extends in the unfolding direction of the soundproof curtain, and the two ends of the soundproof curtain perpendicular to the unfolding direction are slidably connected to the slide rail;

[0010] The sealing device includes a first sealing member disposed on both sides of the soundproof curtain. The first sealing member has a first sealing surface that contacts the soundproof curtain and a second sealing surface that contacts the slide rail. The slide rail, the first sealing member, and the soundproof curtain are used to seal the connection between the soundproof curtain and the slide rail when the curtain is laid flat.

[0011] In one exemplary embodiment, the damping strip includes a damper that includes a support and a flexible membrane supported by the support, the flexible membrane having a plurality of mass blocks attached thereto; wherein the damper is combined with the acoustic plate to absorb the kinetic energy of the acoustic plate caused by sound transmission or vibration passing through the acoustic plate.

[0012] In one exemplary embodiment, the sealing device further includes a first mounting bracket for mounting on a wall, wherein the end of the slide rail opposite to the soundproof curtain is sealed to the first mounting bracket;

[0013] The first mounting bracket is provided with a first motion component and a second motion component. The first motion component drives the first seal to move closer to or away from the side of the soundproof curtain, so that the first sealing surface is in contact with or away from the side of the soundproof curtain, while the second sealing surface is in contact with or away from the slide rail. The second motion component drives the first seal to reciprocate in a direction perpendicular to the unfolding of the soundproof curtain.

[0014] In an exemplary embodiment, the sealing device further includes a second sealing member disposed on both sides of the soundproof curtain, the second sealing member being perpendicular to the first sealing member, and the second sealing member having a third sealing surface that contacts the soundproof curtain for sealing the edges of the soundproof curtain that move along the unfolding direction.

[0015] In one exemplary embodiment, the sealing device further includes a second mounting bracket for mounting on a wall, wherein one end of the second sealing member facing away from the soundproof curtain is sealed to the second mounting bracket;

[0016] The second mounting bracket is provided with a third motion component, which drives the second seal to move closer to or away from the side of the soundproof curtain, so that the third sealing surface is in contact with or away from the side of the soundproof curtain.

[0017] In an exemplary embodiment, the first motion component, the second motion component, and the third motion component each include a fixed end and a movable end. The fixed end of the first motion component is mounted on the first mounting bracket, the fixed end of the second motion component is mounted on the movable end of the first motion component, and the seal is mounted on the movable end of the second motion component.

[0018] In one exemplary embodiment, a first mounting cavity is provided in the first mounting bracket, the first motion component is disposed in the first mounting cavity, and the movable end of the second motion component extends out of the first mounting cavity and connects to the seal.

[0019] In one exemplary embodiment, a second mounting cavity is provided in the second mounting bracket, and the end of the third motion component and the second seal opposite to the soundproof curtain is located in the second mounting cavity.

[0020] In one exemplary embodiment, the second seal includes a fixed portion and a movable portion, both the fixed portion and the movable portion having the third sealing surface, and the third sealing surfaces of the fixed portion and the movable portion are disposed opposite to each other; the fixed portion is mounted on the second mounting bracket, the fixed end of the third motion component is mounted on the fixed portion, and the movable portion is mounted on the movable end of the third motion component.

[0021] In an exemplary embodiment, the first motion component, the second motion component, and the third motion component employ one or more of the following: a telescopic rod mechanism, a lead screw and nut mechanism, a guide rail and slider mechanism, a gear and rack mechanism, a ball spline mechanism, a flexible hinge mechanism, and a linear motor.

[0022] The present invention achieves the following technical advantages over the prior art:

[0023] By installing first sealing elements on both sides of the soundproof curtain, when the curtain is fully extended, the first sealing surface of the first sealing element adheres to the surface of the curtain to form a seal, while the second sealing surface adheres to the track to form a seal. In this way, the first sealing element completely blocks the gap between the curtain and the track from top to bottom, preventing sound from entering the room through the gap. Simultaneously, the vibration-damping strips arranged on the curtain not only enhance the curtain's stiffness but, more importantly, create multi-level vibration attenuation nodes, absorbing the vibrational energy of sound waves. This structure, while maintaining the curtain's sliding flexibility, achieves a positive coupling between improved sound insulation and smooth operation through self-locking sealing in the extended state and active suppression of curtain vibration, while also extending the service life of the sealing components. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1This is a schematic diagram of the unfolded state of a soundproof curtain as disclosed in a specific embodiment of the present utility model.

[0026] Figure 2 This is a schematic diagram of the folded structure of a soundproof curtain as disclosed in a specific embodiment of the present utility model.

[0027] Figure 3 for Figure 1 The main view;

[0028] Figure 4 for Figure 2 The main view;

[0029] Figure 5 for Figure 3 Enlarged view of section A in the middle;

[0030] Figure 6 for Figure 5 Schematic diagram of the structure of the intermediate vibration damper;

[0031] Figure 7 for Figure 3 Side view;

[0032] Figure 8 for Figure 4 Side view;

[0033] Figure 9 for Figure 7 Enlarged view of section E in the middle;

[0034] Figure 10 for Figure 8 Enlarged view of section F in the middle;

[0035] Figure 11 for Figure 3 Sectional view along the BB direction;

[0036] Figure 12 for Figure 11 Enlarged view of section G in the middle;

[0037] Figure 13 for Figure 3 C-axis sectional view;

[0038] Figure 14 for Figure 4 Sectional view along the DD direction;

[0039] Figure 15 for Figure 13 Enlarged view of section H in the middle;

[0040] Figure 16 for Figure 14 Enlarged view of section I;

[0041] Among them, 1. Soundproof curtain; 11. Curtain fabric; 12. Vibration damping strip; 121. Acoustic sheet; 122. Vibration damper; 1221. Support component; 1222. Flexible membrane; 1223. Mass block;

[0042] 2. Slide rail; 21. Slider;

[0043] 3. Sealing device; 31. First sealing element; 311. First sealing surface; 312. Second sealing surface; 32. First mounting bracket; 321. First mounting cavity; 33. First moving component; 34. Second moving component; 35. Second sealing element; 351. Third sealing surface; 352. Fixed part; 353. Moving part; 36. Second mounting bracket; 361. Second mounting cavity; 37. Third moving component. Detailed Implementation

[0044] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0045] The purpose of this invention is to provide a soundproof curtain to solve the problems existing in the prior art, which can effectively eliminate sound leakage at the connection between the curtain and the track while ensuring smooth sliding of the curtain.

[0046] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0047] Please refer to Figures 1 to 16 This embodiment provides a soundproof curtain, including a soundproof curtain 1, a sliding track 2, and a sealing device 3. The soundproof curtain 1 is composed of a flexible curtain fabric 11 and longitudinally arranged vibration damping strips 12. Multiple vibration damping strips 12 are arranged along the length or width of the curtain fabric 11, forming a foldable structure similar to accordion pleats. Two layers of curtain fabric 11 wrap the multiple vibration damping strips inside. When the soundproof curtain 1 is fully unfolded, the vibration damping strips 12 stretch the curtain fabric 11 into a flat state. At this time, the spacing between adjacent vibration damping strips 12 is evenly distributed, which maintains the flatness of the curtain surface and forms a continuous vibration attenuation unit.

[0048] The sliding track 2 extends parallel to the direction of the curtain's unfolding and has a C-shaped channel structure in its cross-section. The two ends of the soundproof curtain 1 perpendicular to the unfolding direction are moved by pulleys embedded in the channel of the sliding track 2.

[0049] The sealing device 3 includes first sealing elements 31 disposed on both sides of the soundproof curtain 1. The first sealing elements 31 have a first sealing surface 311 that contacts the soundproof curtain 1 and a second sealing surface 312 that contacts the slide rail 2. After the soundproof curtain 1 is fully unfolded, the first sealing surfaces 311 of the first sealing elements 31 on both sides are respectively attached to the two side surfaces of the soundproof curtain 1 to form a seal. At the same time, the second sealing surfaces 312 are attached to the slide rail 2 to form a seal. In this way, the slide rail 2, the first sealing elements 31 on both sides and the soundproof curtain 1 form a perfect sealing structure, completely sealing the gap at the connection between the soundproof curtain 1 and the slide rail 2 to prevent sound leakage.

[0050] Furthermore, flexible sealing elements can be provided at the first sealing surface 311 and the second sealing surface 312. This allows for a more flexible and tighter fit with both sides of the curtain with damping strips, and further increases the tightness of the fit with the slide rail surface. Specifically, a raised silicone sealing strip can be added to the working surface of the first sealing surface 311. This sealing strip is molded from food-grade silicone material. When the first sealing surface 311 clamps the curtain 11 with damping strips 12, the protrusions on the silicone sealing strip will embed into the gaps between adjacent damping strips 12, significantly increasing the contact area between the soundproof curtain and the first sealing surface 311, forming a seamless, sealed seal. Simultaneously, a foamed rubber layer can be laminated to the working surface of the second sealing surface 312. This layer has a 0.3mm deep water ripple pattern on its surface. When the sealing element contacts the slide rail 2, the ripple structure generates a negative pressure effect similar to a suction cup, significantly improving the tightness of the fit.

[0051] The damping strip 12 specifically includes an acoustic thin plate 121 and a plurality of dampers 122. The plurality of dampers 122 are fixed on the acoustic thin plate 121. At least a portion of the dampers 122 include a support member 1221 and a flexible diaphragm 1222 supported by the support member 1221. The flexible diaphragm 1222 has a plurality of mass blocks 1223 attached thereto. The dampers 122, in combination with the acoustic thin plate 121, absorb the kinetic energy of the acoustic thin plate 121 caused by sound transmission or vibration passing through it.

[0052] For details, please refer to Figure 6The shock absorber 122 includes a support 1221, a flexible membrane 1222, and a mass block 1223. The flexible membrane 1222 is mounted on the support 1221, and the mass block 1223 is fixed to the flexible membrane 1222. The mass block 1223 is similar to the mass block 1223 or weight described in U.S. Patent 2014060962A1, which has been granted and is patent number US8960365B2, and is incorporated herein by reference. In the construction of this application, the mass block 1223 is specifically used as part of the shock absorber 122, which in turn serves as a sound-absorbing element. In a non-limiting example, the thickness of the flexible membrane 1222 is less than 1 mm, and the flexible membrane 1222 may be breathable.

[0053] The mass 1223 may be fixed to or hinged to the flexible membrane 1222. In a non-limiting example, the mass 1223 is intentionally formed into an asymmetrical shape to induce a "slapping" motion as described in U.S. Patent US2014060962A1. The mass 1223 may be replaced by any other rigid or semi-rigid sheet having an asymmetrical shape.

[0054] Please refer to Figure 5 The damping strip 12 includes an acoustic plate 121 having an array of dampers 122 fixed to the acoustic plate 121. The dampers 122 absorb energy as the acoustic plate 121 moves. As a non-limiting example, the dampers 122 are fixed to the acoustic plate 121 at their supports 1221 by adhesive; of course, other attachment methods, such as rivets or expansion materials, may also be used.

[0055] For the noise reduction principle of the vibration damping strip 12, please refer to another domestic invention patent of the applicant with authorization announcement number CN106536189B, which is incorporated herein by reference.

[0056] In this embodiment, the sealing device 3 also includes a first mounting bracket 32 ​​for installation on the wall. The end of the slide rail 2 away from the soundproof curtain 1 is sealed to the first mounting bracket 32 ​​to prevent sound leakage gaps from appearing between the slide rail 2 and the first mounting bracket 32.

[0057] The first mounting bracket 32 ​​is equipped with a first motion component 33 and a second motion component 34. The first motion component 33 drives the first sealing member 31 to move closer to or away from the soundproof curtain 1, so that the first sealing surface 311 is in contact with or away from the side of the soundproof curtain 1, while the second sealing surface 312 is in contact with or away from the slide rail 2. The second motion component 34 drives the first sealing member 31 to reciprocate in a direction perpendicular to the unfolding of the soundproof curtain 1. When the seal is activated, the second motion component 34 first drives the first sealing member 31 to move, so that the first sealing surface 311 corresponds to the side of the soundproof curtain 1. Then, the first motion component 33 drives the first sealing member 31 closer to the soundproof curtain 1, so that the first sealing surface 311 is in contact with the side of the soundproof curtain 1. At the same time, the second sealing surface 312 is in contact with the slide rail 2. When the seal is deactivated, the process is reversed. First, the first motion component 33 drives the first sealing member 31 away from the soundproof curtain 1, so that the distance between the two first sealing members 31 is greater than the width of the slide rail 2. Then, the second motion component 34 drives the first sealing member 31 back to its original position.

[0058] As a preferred embodiment, the sealing device 3 further includes a second sealing member 35 disposed on both sides of the soundproof curtain 1. The second sealing member 35 is perpendicular to the first sealing member 31. The second sealing member 35 has a third sealing surface 351 that contacts the soundproof curtain 1. The third sealing surface 351 has the same function as the first sealing surface 311, and is used to seal the edge of the soundproof curtain 1 that moves along the unfolding direction. In this way, the first sealing member 31 and the second sealing member 35 cooperate to completely seal three or four sides of the soundproof curtain 1.

[0059] The sealing device 3 also includes a second mounting bracket 36 for mounting the second seal 35. The second mounting bracket 36 is used to install on the wall. The end of the second seal 35 facing away from the soundproof curtain 1 is sealed to the second mounting bracket 36 to prevent sound leakage gaps from appearing between the second seal 35 and the second mounting bracket 36.

[0060] The second mounting bracket 36 is provided with a third motion component 37, which drives the second seal 35 to approach or move away from the side of the soundproof curtain 1, so that the third sealing surface 351 is in contact with or away from the side of the soundproof curtain 1.

[0061] The first motion component 33, the second motion component 34, and the third motion component 37 each include a fixed end and a movable end. The fixed end of the first motion component 33 is mounted on the first mounting bracket 32, the fixed end of the second motion component 34 is mounted on the movable end of the first motion component 33, and the seal is mounted on the movable end of the second motion component 34.

[0062] Specifically, the first motion component 33, the second motion component 34, and the third motion component 37 may be one or more of the following: telescopic rod mechanism, lead screw and nut mechanism, guide rail and slider mechanism, gear and rack mechanism, ball spline mechanism, flexible hinge mechanism, and linear motor.

[0063] In a preferred embodiment, the first mounting frame 32 has a first mounting cavity 321, the first moving component 33 is disposed in the first mounting cavity 321, and the moving end of the second moving component 34 extends out of the first mounting cavity 321 to connect with the sealing element. The second mounting frame 36 has a second mounting cavity 361, and the end of the third moving component 37 and the second sealing element 35 facing away from the soundproof curtain 1 is located in the second mounting cavity 361.

[0064] The second sealing element 35 includes a fixed part 352 and a movable part 353. Both the fixed part 352 and the movable part 353 have a third sealing surface 351, and the third sealing surfaces 351 of the fixed part 352 and the movable part 353 are arranged opposite to each other. The fixed part 352 is mounted on the second mounting bracket 36, the fixed end of the third motion component 37 is mounted on the fixed part 352, and the movable part 353 is mounted on the movable end of the third motion component 37. When the soundproof curtain 1 is unfolded, after the movable end enters the gap between the fixed part 352 and the movable part 353, the third motion component 37 drives the movable part 353 to approach the fixed part 352 until the third sealing surfaces 351 on the fixed part 352 and the movable part 353 are respectively in contact with the two sides of the soundproof curtain 1.

[0065] The dual mounting bracket design integrates the sealing system with the building structure. In practical applications, when the curtains are fully closed, the three sets of moving components work together to form a three-dimensional sealing network.

[0066] In the description of this utility model, it should be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are used only for the convenience of describing this utility model, and do not imply or require that the device or element referred to have a specific orientation or construction method, and therefore should not be construed as a limitation on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish the objects of description and should not be construed as limiting importance or order, and the features defined by such terms may explicitly or implicitly include one or more of those features. Unless otherwise stated, "a plurality of" in the description of this utility model refers to two or more.

[0067] The terms "installation," "connection," and "joining" should be interpreted broadly, unless otherwise explicitly defined, to include, but are not limited to, fixed connections, detachable connections, or integrally formed connections; mechanical or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art can understand their meaning based on the specific technical solution. The fixed connections involved in this utility model, unless otherwise stated, include both detachable fixed connections (such as bolt and screw connections) and non-detachable fixed connections (such as riveting and welding), and may also include integral structures achieved through an integral forming process (such as casting) (except where integral forming is clearly impossible).

[0068] Unless otherwise stated, the terms used in any of the technical solutions disclosed in this utility model to indicate positional relationships or shapes cover states or shapes that are similar to, close to, or adjacent to them.

[0069] Any component provided by this utility model can be assembled from multiple individual components, or it can be a single component manufactured by a one-piece molding process.

[0070] It should be noted that the structures, proportions, sizes, etc., depicted in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0071] In the embodiments of this application, the same reference numerals are used to denote the same component or part.

[0072] Any adaptive changes made according to actual needs are within the protection scope of this utility model.

[0073] It should be noted that, for those skilled in the art, it is obvious that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0074] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A soundproof curtain, characterized in that, include: The soundproof curtain (1) includes a curtain fabric (11) and a plurality of shock-absorbing strips (12) arranged sequentially on the curtain fabric (11), so that the soundproof curtain (1) has a folded state and a flat unfolded state; The slide rail (2) extends in the unfolding direction of the soundproof curtain (1), and the two ends of the soundproof curtain (1) perpendicular to the unfolding direction are slidably connected to the slide rail (2); The sealing device (3) includes a first sealing element (31) disposed on both sides of the soundproof curtain (1). The first sealing element (31) has a first sealing surface (311) that contacts the soundproof curtain (1) and a second sealing surface (312) that contacts the slide rail (2). The slide rail (2), the first sealing element (31) and the soundproof curtain (1) are used to seal the connection between the soundproof curtain (1) and the slide rail (2) when the curtain is laid flat.

2. The soundproof curtain according to claim 1, characterized in that: The damping strip (12) includes an acoustic plate (121) and a plurality of dampers (122), the plurality of dampers (122) being fixed on the acoustic plate (121). The damper (122) includes a support (1221) and a flexible membrane (1222) supported by the support (1221). The flexible membrane (1222) has a plurality of mass blocks (1223) attached thereto. The damper (122) is combined with the acoustic plate (121) to absorb the kinetic energy of the acoustic plate (121) caused by sound transmission or vibration passing through the acoustic plate (121).

3. The soundproof curtain according to claim 1 or 2, characterized in that: The sealing device (3) further includes a first mounting bracket (32) for installation on the wall, and the end of the slide rail (2) facing away from the soundproof curtain (1) is sealed to the first mounting bracket (32); The first mounting bracket (32) is provided with a first motion component (33) and a second motion component (34). The first motion component (33) drives the first sealing member (31) to approach or move away from the side of the soundproof curtain (1), so that the first sealing surface (311) is in contact with or away from the side of the soundproof curtain (1), and at the same time, the second sealing surface (312) is in contact with or away from the slide rail (2). The second motion component (34) drives the first sealing member (31) to reciprocate in a direction perpendicular to the unfolding of the soundproof curtain (1).

4. The soundproof curtain according to claim 3, characterized in that: The sealing device (3) further includes a second sealing member (35) disposed on both sides of the soundproof curtain (1). The second sealing member (35) is perpendicular to the first sealing member (31). The second sealing member (35) has a third sealing surface (351) that contacts the soundproof curtain (1) and is used to seal the edge of the soundproof curtain (1) that moves along the unfolding direction.

5. The soundproof curtain according to claim 4, characterized in that: The sealing device (3) further includes a second mounting bracket (36) for mounting on the wall, wherein the end of the second sealing element (35) facing away from the soundproof curtain (1) is sealed to the second mounting bracket (36); The second mounting bracket (36) is provided with a third motion component (37), which drives the second seal (35) to approach or move away from the side of the soundproof curtain (1), so that the third sealing surface (351) is in contact with or away from the side of the soundproof curtain (1).

6. The soundproof curtain according to claim 5, characterized in that: The first motion component (33), the second motion component (34) and the third motion component (37) each include a fixed end and a movable end. The fixed end of the first motion component (33) is mounted on the first mounting bracket (32), the fixed end of the second motion component (34) is mounted on the movable end of the first motion component (33), and the seal is mounted on the movable end of the second motion component (34).

7. The soundproof curtain according to claim 6, characterized in that: The first mounting bracket (32) has a first mounting cavity (321) inside, the first motion component (33) is disposed in the first mounting cavity (321), and the moving end of the second motion component (34) extends out of the first mounting cavity (321) to connect to the seal.

8. The soundproof curtain according to claim 6, characterized in that: The second mounting bracket (36) has a second mounting cavity (361) inside, and the third motion component (37) and the second seal (35) are located in the second mounting cavity (361) at the end opposite to the soundproof curtain (1).

9. The soundproof curtain according to claim 8, characterized in that: The second sealing member (35) includes a fixed part (352) and a movable part (353). Both the fixed part (352) and the movable part (353) have the third sealing surface (351), and the third sealing surfaces (351) of the fixed part (352) and the movable part (353) are arranged opposite to each other. The fixed part (352) is mounted on the second mounting bracket (36), the fixed end of the third motion component (37) is mounted on the fixed part (352), and the movable part (353) is mounted on the movable end of the third motion component (37).

10. The soundproof curtain according to claim 6, characterized in that: The first motion component (33), the second motion component (34) and the third motion component (37) adopt one or more of the following: telescopic rod mechanism, lead screw and nut mechanism, guide rail and slider mechanism, gear and rack mechanism, ball spline mechanism, flexible hinge mechanism and linear motor.

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