CN216666882U

CN216666882U - Sound insulation device for plugging pipeline through-wall gap

Info

Publication number: CN216666882U
Application number: CN202220113936.5U
Authority: CN
Inventors: 肖书博; 孙鑫; 王威; 张斌; 周涛
Original assignee: China Aviation Changsha Design And Research Co ltd
Current assignee: China Aviation Changsha Design And Research Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-06-03
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a sound insulation device for plugging a pipeline through-wall gap, which comprises an installation frame, wherein the installation frame is a cylindrical structure with openings at two ends, a pair of fixing parts are arranged on the installation frame, each fixing part is of a flat annular structure, and a filling layer is arranged between the two fixing parts; the axial outer end face of each fixing part is respectively attached to at least one sealing element, and the sealing element matched with the fixing part on one side forms an annular structure; the side face of the sealing element, which is in contact with the mounting frame, is an inclined plane, and the inclined plane is in line contact with the edge of the inner wall of the mounting frame; each sealing element is fixedly connected with the fixing part through a fastening assembly. The utility model is convenient to disassemble, and can adjust the compression degree of the sealing element by loosening and screwing the fastening component to change the radial displacement of the pipeline, thereby ensuring that the sound insulation device can effectively block the gap generated by the pipeline penetrating through the wall all the time.

Description

Sound insulation device for plugging pipeline through-wall gap

Technical Field

The utility model belongs to the technical field of wall sound insulation, and particularly relates to a sound insulation device for plugging a pipeline wall-through space.

Background

Noise pollution, air pollution and water pollution are called world pollution, with the development of social economy, the requirements of people on the quality of life are increasingly improved, and the problem of noise pollution also increasingly draws wide attention of society. Especially, sound insulation facilities are important for places such as production plants, laboratories and equipment rooms which generate high noise.

For a building maintenance structure, wall materials, door and window members and the like with excellent sound insulation performance are adopted, so that a good sound insulation effect can be achieved, and for sound insulation measures of the parts, a large number of technical achievements are accumulated at present. However, in some places where high noise is generated, various pipelines are inevitably required to enter and exit the room, and gaps between the pipelines and wall bodies are weak links for sound insulation, so that the research on the aspects is relatively immature at present.

Chinese utility model patent CN206245504U discloses a sound insulation shock insulation system for building construction's wall floor pipeline, has proposed the concrete wall body noise elimination treatment measure that is used for near the wall pipe box, mainly carries out local enhancement and improvement to the syllable-dividing effect in the wall body. The utility model discloses a sound insulation structure for a pipeline penetrating through a double-layer wall and a construction method, and provides the sound insulation structure and the construction method for solving the sound insulation problem of the pipeline penetrating through the double-layer wall. The utility model discloses a sound insulation and noise reduction device for a wall-through pipeline of a hydraulic power plant, which comprises a sound insulation and noise reduction plate and an installation frame, wherein the sound insulation and noise reduction plate is vertically arranged, the installation frame is embedded in a through hole of a wall body, and a pipeline passes through the sound insulation and noise reduction plate to enter and exit.

Although above-mentioned patent or patent application all have certain effect to the syllable-dividing in high noise place, the sound arrester structure among the above-mentioned technical scheme is fixed, and can take place radial displacement along with operating mode environment's change pipeline in the in-service use, sound arrester among the prior art will be unable effective shutoff such pipeline to wear the gap that the wall produced, also can not carry out effectual adjustment in order to deal with the change of pipeline promptly, the sound insulation effect of above-mentioned sound arrester can descend by a wide margin this moment, can't realize effective syllable-dividing purpose.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sound insulation device for plugging a pipeline through-wall gap, which is convenient to disassemble and can solve the technical problems that the existing sound insulation device cannot cope with radial displacement generated by a pipeline in the actual operation process, so that the sealing performance of a sound insulation structure is reduced, and the sound insulation effect is poor.

In order to realize the purpose, the utility model adopts the following specific technical scheme:

a sound insulation device for blocking a pipeline through-wall gap comprises an installation frame positioned on an outer ring, wherein the installation frame is of a cylindrical structure with openings at two ends;

the axial outer end face of each fixing part is respectively attached to at least one sealing element, and the sealing element matched with the fixing part on one side forms an annular structure; the side face of the sealing element, which is in contact with the mounting frame, is an inclined plane, and the inclined plane is in line contact with the edge of the inner wall of the mounting frame;

each sealing element is fixedly connected with the fixing part through a fastening assembly.

Therefore, the sealing piece in line contact with the mounting frame is adopted, the fastening assembly is used for pressing the sealing piece on the fixing part, the pressing degree of the sealing piece is adjusted by loosening and screwing the fastening assembly, the change of the radial displacement of the pipeline is adapted, the sound insulation device is ensured to always effectively plug a gap generated by the pipeline through the wall, and the effective sound insulation of the pipeline through the wall in the actual operation is ensured.

Furthermore, the sealing element is made of rubber materials, the rubber materials belong to high-elasticity polymer materials, the requirement for the change of the compression degree of the sealing element is met, the deformation of the rubber materials can be restored, and the service performance of the sealing element is guaranteed.

Furthermore, each sealing member is equipped with the apron that is used for compressing tightly on keeping away from the terminal surface of fixed part the sealing member, apron, sealing member and fixed part pass through fastening components fixed connection in proper order, have increased the area of contact that compresses tightly of nut to the sealing member through the apron for the sealing member compresses tightly evenly, has also avoided the stress concentration of nut and sealing member contact site.

Preferably, the fastening assembly comprises a bolt and a nut, one end of the bolt is fixedly connected with the fixing portion, and the free end of the bolt is matched with the nut to press the sealing element. The fastening assembly is simple in structure, convenient to adjust and capable of effectively compressing the sealing element.

Preferably, the material of filling layer is centrifugal glass cotton, and centrifugal glass cotton performance is stable, and the sound absorption effect is good.

Preferably, the inner diameter of each fixing portion is not smaller than the inner diameter of the corresponding side formed into the annular structure by the sealing member.

The utility model has the following advantages:

1. the sealing element is in line contact with the mounting frame, the compression degree of the sealing element can be adjusted by loosening and screwing the fastening assembly, the sound insulation device can adapt to pipelines which can radially displace under different working conditions, gaps generated by the pipeline penetrating through the wall can be effectively blocked, and a good sound insulation effect is further generated. Simultaneously, select for use the sealing member of being made by rubber materials, can fully satisfy the demand to the sealing member deformation, with it matched with set up the apron for the sealing member can effectively compress tightly.

2. The sound insulation device is arranged on the inner side and the outer side of a wall body and used for plugging gaps generated by the pipeline penetrating the wall respectively, and centrifugal glass wool is filled between the fixing parts, so that the sound insulation effect can meet the actual requirement, and the sound insulation device can be applied to places with high noise level and large pipeline size.

Drawings

FIG. 1 is a schematic installation diagram of a sound insulation device for blocking a pipeline through-wall gap, a wall body and a pipeline in the embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an installation schematic of FIG. 1 with the insulation removed;

the notation in the figure is: 1. mounting the frame; 11. flanging; 2. a fixed part; 3. a filling layer; 4. a seal member; 41. a bevel; 5. a fastening assembly; 51. a bolt; 52. a nut; 6. a cover plate; 7. a wall body; 8. a pipeline; 9. pipe sleeve; 91. a first pipe sleeve; 92. a second pipe sleeve; 10. and (7) an insulating layer.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, a sound insulation device for blocking a wall-through gap of a pipeline according to the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the sound insulation device for blocking a pipeline through-wall gap of the present embodiment includes an installation frame 1 embedded in a wall 7, where the installation frame 1 is a cylindrical structure with two open ends, and in the present embodiment, the installation frame 1 is a circular cylindrical structure, and may be selected according to actual needs in practical applications. A pair of fixing parts 2 are symmetrically fixed on the inner wall of the mounting frame 1, and each fixing part 2 is of a flat ring structure. A filling layer 3 for sound absorption is arranged between the two fixing parts 2, the material of the filling layer 3 is preferably centrifugal glass wool, and the centrifugal glass wool has excellent sound absorption performance. Preferably, the density of the centrifugal glass wool is not less than 48kg/m³. The axial outer end of each fixing part 2 is attached to a sealing element 4, the sealing element 4 and the fixing part 2 are fixedly connected together through a fastening assembly 5, the sealing element 4 matched with the fixing part 2 on one side forms an annular structure, and a gap is formed by penetrating a pipeline 8 through the wallPlugging, namely separating two sides of the wall 7 and blocking noise transmission. The side of the sealing member 4 away from the pipe 8 is a bevel 41, that is, the sealing member 4 is shaped like a cone, the bevel 41 abuts against the edges of the two ends of the inner wall of the mounting frame 1, and the bevel 41 forms a line contact with the mounting frame 1. The degree of compression of the seal 4 can be adjusted by the fastening assembly 5. Preferably, the material of the sealing member 4 is a highly elastic polymer material. This embodiment is through the degree that compresses tightly of fastening components 5 adjustment sealing member 4 to the radial displacement that adaptation pipeline 8 took place under different operating mode environment, this sound arrester can guarantee throughout to wear the wall with pipeline 8 and produce the both ends shutoff in gap, realizes effectively giving sound insulation.

As shown in fig. 1 and 2, in the present embodiment, the cross section of the sealing member 4 along the axial direction of the pipe 8 is a right trapezoid, and the cross section of the right trapezoid can ensure that the sealing member 4 is in full contact with the pipe 8 and the sealing member 4 is effectively abutted to the mounting frame 1, and meanwhile, the adjustment of the pressing degree of the fastening assembly 5 on the sealing member 4 is facilitated, and the structure is simple and the operation is convenient. The fastening assembly 5 comprises a bolt 51 and a nut 52, one end of the bolt 51 is fixedly connected with the fixing part 2, and the other end of the bolt 51 is matched with the nut 52 to press the sealing element 4. In order to fully compress the sealing element 4, the cover plate 6 is additionally arranged on the outer side of the sealing element 4, the cover plate 6 is compressed through the nut 52, then the cover plate 6 compresses the sealing element 4, the compression area of the cover plate 6 capable of compressing the sealing element 4 is arranged, the sealing element 4 can be effectively compressed, the sealing effect is guaranteed, and the phenomenon that the nut 52 directly compresses the sealing element 4 to generate stress concentration to damage the sealing element 4 can also be avoided. The both ends of installation frame 1 are equipped with respectively along radial outside turn-ups 11 to it is fixed with wall body 7 block to make installation frame 1, leads to installation frame 1 not hard up and influence syllable-dividing effect when avoiding twisting fastening component 5.

As shown in fig. 1, for a pipeline 8 with a thermal insulation requirement, an insulating layer 10 is disposed on the outer side of the pipeline 8, and in order to protect the insulating layer 10 from being damaged, a first pipe sleeve 91 is sleeved on the outer side of the insulating layer 10, and the first pipe sleeve 91 is generally made of a stainless steel plate with a thickness of 0.5 mm. The sound insulation device of the embodiment can generate pressing force on the pipeline 8 when in use, in order to enhance the strength of the pipeline 8, a second pipe sleeve 92 is sleeved outside the first pipe sleeve 91, the length of the second pipe sleeve 92 should exceed the thickness of the wall 7 by 200-300 mm, and the second pipe sleeve 92 is usually made of a stainless steel plate with the thickness of 3-8 mm. In order to avoid the interference between the fixing part 2 and the pipe 8 when the pipe 8 is installed, the inner diameter of the fixing part 2 is designed to be not smaller than the inner diameter of the annular structure formed by the sealing member 4. For the pipeline 8 without the requirement of heat preservation, if the medium in the pipeline 8 is normal temperature water, compressed air or other normal temperature gas, etc., the heat preservation layer 10 can be omitted, as shown in fig. 3, the first pipe sleeve 91 is directly sleeved on the pipeline 8, and the first pipe sleeve 91 directly plays a role in protecting the pipeline 8.

The installation method of the sound insulation device for plugging the pipeline through-wall gap comprises the following steps:

a) when the wall body 7 is constructed, the installation frame 1 with a proper specification is fixed in the wall body 7 according to the size of the through hole in the wall body 7, and a gap does not exist between the wall body 7 and the installation frame 1.

b) After the installation of the installation frame 1 is completed, a pair of fixing portions 2 are welded to the inner wall of the installation frame 1.

c) Before the pipeline 8 with the pipe sleeve 9 and/or the heat insulation layer 10 installed is installed, the sealing elements 4 and the cover plate 6 are respectively installed on two sides of the wall body 7, after the pipeline 8 is constructed, the space between the fixing parts 2 is filled with the filling layer 3, and then the sealing elements 4 on two sides and the cover plate 6 are tightly extruded through the fastening assembly 5 and are tightly combined with the pipeline 8. If the sealing element 4 and the cover plate 6 cannot be installed in advance before construction, the sealing element 4 and the cover plate 6 can be installed after the pipeline 8 is installed, and at the moment, the sealing element 4 and the cover plate 6 need to be cut into two semicircular parts respectively and then installed respectively.

It is to be understood that the present invention has been described with reference to the embodiments, and those skilled in the art will recognize that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a sound-proof device for shutoff pipeline through-wall gap, is including installation frame (1) that is located the outer lane, installation frame (1) is both ends open-ended tubular structure, its characterized in that:

a pair of fixing parts (2) are arranged on the inner wall of the mounting frame (1), each fixing part (2) is of a flat annular structure, and a filling layer (3) is arranged between the two fixing parts (2);

the axial outer end face of each fixing part (2) is respectively attached to at least one sealing element (4), and the sealing element (4) matched with the fixing part (2) on one side forms an annular structure; the side face of the sealing element (4) contacting with the mounting frame (1) is an inclined plane (41), and the inclined plane (41) and the edge of the inner wall of the mounting frame (1) form line contact;

each sealing element (4) is fixedly connected with the fixing part (2) through a fastening component (5).

2. The sound insulation device for blocking the pipeline through-wall gap according to claim 1, characterized in that: the sealing element (4) is made of rubber materials.

3. The sound insulation device for blocking the pipeline through-wall gap according to claim 1, characterized in that: be equipped with on the terminal surface that fixed part (2) were kept away from in sealing member (4) and be used for compressing tightly apron (6) of sealing member (4), apron (6), sealing member (4) and fixed part (2) are through fastening components (5) fixed connection in proper order.

4. A sound-insulating device for closing off a wall gap of a pipeline according to any one of claims 1 to 3, characterized in that: the fastening assembly (5) comprises a bolt (51) and a nut (52), one end of the bolt (51) is fixedly connected with the fixing portion (2), and the free end of the bolt (51) is matched with the nut (52) to press the sealing element (4).

5. A sound-insulating device for closing off a wall gap of a pipeline according to any one of claims 1 to 3, characterized in that: the material of the filling layer (3) is centrifugal glass wool.

6. A sound-insulating device for closing off a wall gap of a pipeline according to any one of claims 1 to 3, characterized in that: the inner diameter of each fixing part (2) is not less than that of the corresponding side formed into an annular structure by the sealing element (4).