CN108571636B - Silencing soft wind pipe - Google Patents
Silencing soft wind pipe Download PDFInfo
- Publication number
- CN108571636B CN108571636B CN201810659205.9A CN201810659205A CN108571636B CN 108571636 B CN108571636 B CN 108571636B CN 201810659205 A CN201810659205 A CN 201810659205A CN 108571636 B CN108571636 B CN 108571636B
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- elastic sleeve
- protective layer
- air pipe
- hose body
- hose
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides a silencing flexible air pipe. The silencing flexible air hose of the invention comprises: the hose comprises a hose body, a first elastic sleeve and a second elastic sleeve; one end of the hose body is fixedly connected with the first elastic sleeve, and the other end of the hose body is fixedly connected with the second elastic sleeve. According to the invention, the first elastic sleeve and the second elastic sleeve are respectively arranged at the two ends of the hose body of the silencing soft air pipe, the first elastic sleeve and the second elastic sleeve are sleeved at the end opening of the air pipe, and the silencing soft air pipe is fixedly connected with the air pipe by utilizing the elasticity of the first elastic sleeve and the second elastic sleeve, so that the installation and the disassembly are convenient, the time and the labor are saved, and the operation efficiency of workers is high.
Description
Technical Field
The invention relates to the technical field of ventilation, in particular to a silencing flexible air pipe.
Background
In industrial production and life, it is often necessary to use pumps, fans or similar power devices and air ducts for air delivery, such as ventilation systems in industrial and mining enterprises, air conditioning systems centrally controlled in buildings, ventilation and air exchange equipment in homes, etc. Due to the fact that vibration exists in the pump, the fan or similar power devices in the working process, wind noise and vibration sound near the air outlet are large, and normal production and life of people are affected. Therefore, a silencing flexible air pipe is usually connected to the air pipe to eliminate or reduce wind noise and vibration sound.
When the existing silencing soft air pipe is connected with an air pipe, the silencing soft air pipe is usually directly sleeved on the port of the air pipe, the pipe hoop is recycled and sleeved outside the joint of the silencing soft air pipe and the air pipe, the fixing screw of the pipe hoop is screwed, and the fixed connection of the silencing soft air pipe and the air pipe is realized.
However, when the pipe hoop is fixedly connected with the silencing soft air pipe and the air pipe, screws on the pipe hoop need to be screwed down for fixing, when the silencing soft air pipe or the air pipe is disassembled for maintenance, the screws on the pipe hoop need to be unscrewed for disassembly, time and labor are wasted in assembly and disassembly, and the operation efficiency of workers is low.
Disclosure of Invention
The invention provides a silencing flexible air pipe, which aims to solve the technical problems that in the prior art, a pipe hoop is used for fixedly connecting the silencing flexible air pipe and an air pipe, time and labor are wasted, and the operation efficiency of workers is low.
The invention provides a silencing flexible air pipe, which comprises: the hose comprises a hose body, a first elastic sleeve and a second elastic sleeve; one end of the hose body is fixedly connected with the first elastic sleeve, and the other end of the hose body is fixedly connected with the second elastic sleeve;
the first elastic sleeve is adhered or sewn at one end of the hose body;
and/or the second elastic sleeve is adhered or sewn at the other end of the hose body;
the first elastic sleeve and/or the second elastic sleeve are conical sleeves, and the diameter of one end close to the hose body is larger than that of one end far away from the hose body;
the hose body comprises an inner protective layer, an outer protective layer and a sound absorption layer arranged between the inner protective layer and the outer protective layer, and an elastic spiral steel wire is arranged between the outer protective layer and the sound absorption layer;
an isolating layer is arranged between the outer protecting layer and the sound absorbing layer.
The silencing flexible hose as described above, wherein the hose body is a circular tube.
The silencing air hose comprises an outer protective layer, an inner protective layer and a sound absorption layer, wherein the outer protective layer is made of nylon cloth, the inner protective layer is made of non-woven fabric, and the sound absorption layer is made of sound absorption cotton.
The silencing flexible air hose comprises an inner protective layer, an outer protective layer and a first elastic sleeve, wherein the inner protective layer and the outer protective layer are fixedly connected through the first elastic sleeve, and the end parts of the inner protective layer and the outer protective layer are integrated into a whole.
The silencing air hose comprises an inner protective layer, an outer protective layer and a first elastic sleeve, wherein the end parts of the inner protective layer and the outer protective layer are integrally contracted to form a first connecting end, and the first connecting end is fixedly connected with the first elastic sleeve.
According to the silencing soft air pipe, the first elastic sleeve and the second elastic sleeve are respectively arranged at the two ends of the hose body and sleeved at the air pipe port through the first elastic sleeve and the second elastic sleeve, and the silencing soft air pipe is fixedly connected with the air pipe by the elasticity of the first elastic sleeve and the second elastic sleeve, so that the silencing soft air pipe is convenient to mount and dismount, time-saving and labor-saving, and high in operating efficiency of workers.
Drawings
The above and other objects, features and advantages of the embodiments of the present invention will become more readily understood by referring to the following detailed description of the drawings. Embodiments of the invention will now be described, by way of example and not limitation, in the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a muffling air hose according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fan apparatus according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a fan device according to a second embodiment of the present invention.
Description of reference numerals:
1: a silencing soft air pipe;
11: a hose body;
12: a first elastic sleeve;
13: a second elastic sleeve;
2: a fan;
21: an air outlet;
3: a first air duct;
4: and a second air duct.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Fig. 1 is a schematic structural view of a silencing flexible duct according to an embodiment of the present invention, and referring to fig. 1, the embodiment of the present invention provides a silencing flexible duct, including: a hose body 11, a first elastic sleeve 12 and a second elastic sleeve 13; one end of the hose body 11 is fixedly connected with the first elastic sleeve 12, and the other end of the hose body 11 is fixedly connected with the second elastic sleeve 13.
Specifically, the hose body 11 may be a circular pipe, an oval pipe, a square pipe, or an irregular-shaped pipe, which is not limited herein. Preferably, the hose body 11 is a circular tube. Hose body 11 can include from interior protective layer, sound absorbing layer and the outer protective layer that sets gradually outward, and the equipartition has the amortization hole on the inner protective layer, makes sound can see through inner protective layer entering sound absorbing layer. The sound absorbing layer may comprise one or more of glass wool, sound absorbing cotton, polyester fiber, or other sound absorbing material. The inner protective layer can be a double-sided aluminum foil composite glass fiber cloth, a non-woven gauze and the like, and the embodiment of the invention is not limited. The outer protective layer may be a double-sided aluminum foil composite fiberglass cloth, nylon cloth, or the like, and the embodiment of the invention is not limited. Of course, an elastic steel wire can be arranged between the outer protective layer and the sound absorption layer, and the elastic steel wire is spirally wound. In order to prevent the sound absorption layer from being polluted by air, an isolation layer can be arranged between the outer protection layer and the sound absorption layer to isolate particles, water vapor and the like in the air from polluting the sound absorption layer and influencing the sound absorption effect of the sound absorption layer.
The first elastic sleeve 12 may be glued to one end of the hose body 11, and the first elastic sleeve 12 may also be sewn to one end of the hose body 11. The first elastic sleeve 12 may be a circular sleeve, the first elastic sleeve 12 may also be a square sleeve, and the first elastic sleeve 12 may also include a circular portion fixedly connected with the hose body 11 and a conical portion at the other end for connecting with an air duct. Of course, the first elastic sleeve 12 may have other shapes, which is not limited in the embodiment of the present invention. The first elastic sleeve 12 may be a rubber elastic sleeve, or may be other sleeve structures with elasticity, and the specific material of the first elastic sleeve is not limited in the embodiment of the present invention. The first elastic sleeve 12 has a certain length along the axial direction of the hose body 11, so that the first elastic sleeve 12 is connected with the air pipe to have a certain length, and the connection stability is ensured.
The second elastic sleeve 13 may be glued to the other end of the hose body 11, and the second elastic sleeve 13 may also be sewn to the other end of the hose body 11. The second elastic sleeve 13 may be a circular sleeve, the second elastic sleeve 13 may also be a square sleeve, and the second elastic sleeve 13 may also include a circular portion fixedly connected with the hose body 11 and a conical portion at the other end for connecting with an air duct. Of course, the second elastic sleeve 13 may have other shapes, which is not limited in the embodiment of the present invention. The second elastic sleeve 13 may be a rubber elastic sleeve, or may be other sleeve structures with elasticity, and the specific material of the second elastic sleeve is not limited in the embodiment of the present invention. The second elastic sleeve 13 has a certain length along the axial direction of the hose body 11, so that the second elastic sleeve 13 is connected with the air pipe to have a certain length, and the connection stability is ensured.
The first elastic sleeve 12 and the second elastic sleeve 13 may be identical in structure, for example, the first elastic sleeve 12 and the second elastic sleeve 13 are both tapered sleeves; the first elastic sleeve 12 and the second elastic sleeve 13 may have different structures, for example, the first elastic sleeve 12 is a tapered sleeve, and the second elastic sleeve 13 is a circular sleeve. For ease of manufacture and attachment, the first and second elastomeric sleeves 12, 13 are preferably identical in construction.
It should be noted that the silencing flexible air hose provided by the embodiment of the invention can be applied to various ventilation equipment, such as ventilation pipes in industrial and mining sites, air pipe pipelines of air conditioning equipment in buildings such as shopping malls and the like, and air pipes of household ventilation equipment.
When the silencing soft air pipe provided by the embodiment of the invention is practically applied, the first elastic sleeve 12 is sleeved at the port of one section of the air pipe, and is stably and firmly connected with the port of the air pipe by using the elasticity of the first elastic sleeve 12, and the first elastic sleeve 12 can also play a role in sealing, and a sealing gasket is not required to be arranged between the first elastic sleeve 12 and the port of the air pipe, so that the silencing soft air pipe is more convenient to install and saves time. The second elastic sleeve 13 is sleeved at the port of the other section of the air pipe, and is firmly connected with the port of the air pipe by utilizing the elastic stability of the second elastic sleeve 13, and the second elastic sleeve 13 can also play a role in sealing, and a sealing gasket is not required to be arranged between the second elastic sleeve 13 and the port of the air pipe, so that the installation is more convenient and time-saving.
According to the silencing soft air pipe provided by the embodiment of the invention, the first elastic sleeve and the second elastic sleeve are respectively arranged at the two ends of the hose body and sleeved at the end opening of the air pipe through the first elastic sleeve and the second elastic sleeve, and the silencing soft air pipe is fixedly connected with the air pipe by utilizing the elasticity of the first elastic sleeve and the second elastic sleeve, so that the silencing soft air pipe is convenient to mount and dismount, time-saving and labor-saving, and high in operating efficiency of workers.
In some embodiments, the hose body 11 includes an inner protective layer, an outer protective layer, and a sound absorbing layer disposed between the inner protective layer and the outer protective layer, with an elastic spiral wire disposed between the outer protective layer and the sound absorbing layer. Wherein, the inner protective layer can be double-sided aluminum foil composite glass fiber cloth, non-woven gauze and the like; the outer protective layer can be double-sided aluminum foil composite glass fiber cloth, nylon cloth and the like; the sound absorbing layer may comprise one or more of glass wool, sound absorbing cotton, polyester fiber, or other sound absorbing material. A spiral winding elastic steel wire is arranged between the outer protective layer and the sound absorption layer, so that the hose body 11 can be extended or shortened within a certain range. The embodiment of the invention does not limit the thread pitch when the elastic steel wire is spirally wound.
Preferably, the outer protective layer is nylon cloth, the inner protective layer is non-woven fabric, and the sound absorption layer is sound absorption cotton. Wherein the non-woven fabrics equipartition has the hole for sound can permeate the non-woven fabrics and get into to inhale the sound cotton. The size of the holes in the non-woven fabric is not limited in the embodiment of the invention.
Furthermore, the port parts at one ends of the inner protective layer and the outer protective layer are contracted to form a first connecting end which is fixedly connected with the first elastic sleeve 12; the port parts at the other ends of the inner protective layer and the outer protective layer are contracted into a second connecting end which is fixedly connected with the second elastic sleeve 13.
Specifically, the port of the same end of the inner protective layer and the outer protective layer is pressed and contracted into a whole, or is adhered into a whole by using an adhesive to form a first connecting end, the first connecting end is fixedly connected with the first elastic sleeve 12, the first elastic sleeve 12 can be adhered to the first connecting end, and the first elastic sleeve 12 can also be sewn on the first connecting end. When the first elastic sleeve 12 is sewn on the first connecting end, optionally, when the silencing soft air pipe is connected with the air pipe, the air pipe can extend into the hose body 11, so that the sewing positions of the first elastic sleeve 12 and the first connecting end are positioned on the air pipe, and air leakage is avoided.
The port parts of the other ends of the inner protective layer and the outer protective layer are pressed and compressed into a whole or are adhered into a whole by using viscose glue to form a first connecting end, the second connecting end is fixedly connected with a second elastic sleeve 13, the second elastic sleeve 13 can be adhered to the second connecting end, and the second elastic sleeve 13 can also be sewn on the second connecting end. When the second elastic sleeve 13 is sewn on the second connecting end, optionally, when the silencing hose pipe is connected with the air pipe, the air pipe can extend into the hose body 11, so that the second elastic sleeve 13 and the second connecting end are sewn on the air pipe, and air leakage is avoided.
The first elastic sleeve 12 and the first connection end may be fixedly connected in the same manner as the second elastic sleeve 13 and the second connection end, for example, the first elastic sleeve 12 is bonded to the first connection end, and the second elastic sleeve 13 is bonded to the second connection end. The fixed connection mode of the first elastic sleeve 12 and the first connection end and the fixed connection mode of the second elastic sleeve 13 and the second connection end may also be different, for example, the first elastic sleeve 12 is bonded with the first connection end, and the second elastic sleeve 13 is fixedly connected with the second connection end by sewing.
For convenience of manufacture and installation, the first elastic sleeve 12 and the first connecting end may be fixedly connected in the same manner as the second elastic sleeve 13 and the second connecting end.
On the basis of the above embodiment, the first elastic sleeve 12 is a conical sleeve, and the diameter of the end close to the hose body 11 is larger than the diameter of the end far from the hose body 11.
In order to improve the reliability of the connection between the first elastic sleeve 12 and the air pipe and ensure that the joint of the silencing soft air pipe and the air pipe is air-tight, the first elastic sleeve 12 is a conical sleeve, the diameter of the conical sleeve is gradually reduced from one end of the hose body 11 to one end of the air pipe, the diameter of the first elastic sleeve 12 is smaller when the first elastic sleeve is closer to one end of the air pipe, the elastic force of the first elastic sleeve 12 sleeved on the air pipe is larger, and the reliability and the sealing performance of the connection are ensured.
With continued reference to fig. 1, the second elastic sleeve 13 is a tapered sleeve, and has a larger diameter near the end of the hose body 11 than at the end away from the hose body 11.
In order to improve the reliability of the connection between the second elastic sleeve 13 and the air pipe and ensure that the joint of the silencing soft air pipe and the air pipe is air-tight, the second elastic sleeve 13 is a conical sleeve, the diameter of the conical sleeve is gradually reduced from one end of the hose body 11 to one end of the air pipe, the diameter of the second elastic sleeve 13 is smaller when the second elastic sleeve is closer to one end of the air pipe, the elastic force of the second elastic sleeve 13 sleeved on the air pipe is larger, and the reliability and the sealing performance of the connection are ensured.
As a preferred embodiment, the first elastic sleeve 12 and the second elastic sleeve 13 are both tapered sleeves.
A specific application of the muffling air hose of the present invention is described in detail below, and it should be understood that the muffling air hose of the present invention can also be applied to various other ventilation devices, such as ventilation pipes in industrial and mining sites, air-conditioning air-duct pipelines in buildings such as shopping malls, and the like.
Fig. 2 is a schematic structural diagram of a fan apparatus according to an embodiment of the present invention, and referring to fig. 2, the embodiment of the present invention further provides a fan apparatus, which includes a fan 2, a first air duct 3, and a silencing flexible air duct 1; the first elastic sleeve 12 of the silencing soft air pipe 1 is sleeved at the air outlet 21 of the fan 2, and the second elastic sleeve 13 of the silencing soft air pipe 1 is sleeved at the port of the first air pipe 3.
Specifically, the fan 2 is used as a device for discharging gas, and may be an existing fan structure, which is not limited in the embodiment of the present invention. The fan 2 may further comprise an outer housing, on which the air outlet 21 is arranged. The first air duct 3 may be an existing ventilation duct structure, which is not limited in the embodiment of the present invention.
The silencing flexible air hose 1 includes: a hose body 11, a first elastic sleeve 12 and a second elastic sleeve 13; one end of the hose body 11 is fixedly connected with the first elastic sleeve 12, and the other end of the hose body 11 is fixedly connected with the second elastic sleeve 13.
In some embodiments, the muffling air hose 1 is directly connected to the air outlet 21 of the fan 2, that is: the first elastic sleeve 12 of the silencing soft air pipe 1 is sleeved at the air outlet 21 of the fan 2, and the second elastic sleeve 13 of the silencing soft air pipe 1 is sleeved at the port of the first air pipe 3. The structure, function and effect of the muffling air hose provided by the embodiment of the present invention are the same as those of the above embodiment, and specific reference may be made to the above embodiment, which is not repeated herein.
According to the fan device provided by the embodiment of the invention, the first elastic sleeve and the second elastic sleeve are respectively arranged at the two ends of the hose body of the silencing soft air pipe, the first elastic sleeve and the second elastic sleeve are sleeved at the end opening of the air pipe, and the silencing soft air pipe is fixedly connected with the air pipe by utilizing the elasticity of the first elastic sleeve and the second elastic sleeve, so that the fan device is convenient to install and disassemble, time-saving and labor-saving, and high in operating efficiency of workers.
Fig. 3 is a schematic structural diagram of a fan apparatus according to a second embodiment of the present invention, referring to fig. 3, in another embodiment, the silencing flexible air hose 1 is connected to an air outlet 21 of the fan 2 through another air hose, that is: the fan device also comprises a second air pipe 4 fixedly connected with an air outlet 21 of the fan 2; the first elastic sleeve 12 of the silencing soft air pipe 1 is sleeved at the port of the second air pipe 4.
Specifically, one end of the second air duct 4 is fixedly connected to the air outlet 21 of the blower 2, and one end of the second air duct 4 may be connected to the air outlet 21 of the blower 2 by a flange or a thread, which is not limited herein. The first elastic sleeve 12 of the silencing soft air pipe 1 is sleeved at the port of the other end of the second air pipe 4, and the second elastic sleeve 12 of the silencing soft air pipe 1 is sleeved at the port of one end of the first air pipe 3. Optionally, a silencing flexible air hose 1 is installed at one end close to the fan 2.
Optionally, the fan device may further include three, four, and other sections of air ducts, and the silencing flexible air duct is installed between two adjacent sections of air ducts.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A muffling air hose, comprising: the hose comprises a hose body, a first elastic sleeve and a second elastic sleeve;
one end of the hose body is fixedly connected with the first elastic sleeve, and the other end of the hose body is fixedly connected with the second elastic sleeve;
the first elastic sleeve is adhered or sewn at one end of the hose body;
and/or the second elastic sleeve is adhered or sewn at the other end of the hose body;
the first elastic sleeve and/or the second elastic sleeve are conical sleeves, and the diameter of one end close to the hose body is larger than that of one end far away from the hose body;
the hose body comprises an inner protective layer, an outer protective layer and a sound absorption layer arranged between the inner protective layer and the outer protective layer, and an elastic spiral steel wire is arranged between the outer protective layer and the sound absorption layer;
an isolating layer is arranged between the outer protecting layer and the sound absorbing layer.
2. The muffling flexible air hose of claim 1, wherein the hose body is a circular tube.
3. The muffling air hose according to claim 1, wherein the outer protective layer is nylon cloth, the inner protective layer is non-woven cloth, and the sound absorbing layer is sound absorbing cotton.
4. The muffling air hose according to claim 3, wherein the port of the inner protective layer and the port of the outer protective layer are integrally shrunk to form a first connection end, and the first connection end is fixedly connected to the first elastic sleeve.
5. The muffling air hose according to claim 3, wherein the port of the other end of the inner protective layer and the port of the other end of the outer protective layer are shrunk to form a second connecting end, and the second connecting end is fixedly connected with the second elastic sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810659205.9A CN108571636B (en) | 2018-06-25 | 2018-06-25 | Silencing soft wind pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810659205.9A CN108571636B (en) | 2018-06-25 | 2018-06-25 | Silencing soft wind pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571636A CN108571636A (en) | 2018-09-25 |
| CN108571636B true CN108571636B (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810659205.9A Active CN108571636B (en) | 2018-06-25 | 2018-06-25 | Silencing soft wind pipe |
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| CN (1) | CN108571636B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212116A (en) * | 2020-10-16 | 2021-01-12 | 张贵杰 | Utilize gasbag structure to realize soft tuber pipe butt joint installation device of amortization |
| CN113898800A (en) * | 2021-10-22 | 2022-01-07 | 长沙跃康暖通设备有限公司 | Iron sheet presss from both sides cloth fabric tuber pipe |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2108800U (en) * | 1991-12-14 | 1992-07-01 | 张爱华 | Open bundling type flexible air duct |
| CN2519095Y (en) * | 2001-12-24 | 2002-10-30 | 靖江市东亚通风空调制造有限公司 | Double-face aluminium foil composite glass cloth noise-absorbing hose |
| CN204785212U (en) * | 2015-06-16 | 2015-11-18 | 山东唐骏欧铃汽车制造有限公司 | Two seal structure of negative and positive soft or hard connect body |
| CN206695321U (en) * | 2017-05-13 | 2017-12-01 | 昆山斯莱姆节能科技有限公司 | A kind of fast joint structure of pressure fan and Rose Box |
| CN207215524U (en) * | 2017-09-13 | 2018-04-10 | 深圳市查知科技有限公司 | Pipeline connection component and aspirated smoke detection device |
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2018
- 2018-06-25 CN CN201810659205.9A patent/CN108571636B/en active Active
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| CN108571636A (en) | 2018-09-25 |
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