Flame-retardant modified sound insulation cotton
By designing a detachable internal and external protective layer structure, the problem of the sound insulation cotton needing to be replaced as a whole due to aging of the sound-absorbing layer is solved, and efficient use of materials and cost reduction are achieved.
Patent Information
- Application Number
- CN202422978204.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The existing sound insulation cotton needs to be replaced as a whole due to aging of the sound-absorbing layer during use, resulting in material waste and increased replacement costs.
The inner and outer protective layers are designed to be detachably connected and connected with Velcro. The inner protective layer can be replaced independently, and the outer protective layer is provided with a wear-resistant layer to extend its service life.
The independent replacement of the inner protective layer is realized, which reduces material waste and replacement cost, and enhances the wear resistance of the outer protective layer and prolongs its service life.
Smart Images

Figure CN223456577U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of sound insulation cotton, and specifically relates to a flame-retardant modified sound insulation cotton. BACKGROUND
[0002] The air conditioner compressor is a key component in the air conditioning system, which generates a large noise during operation. In order to reduce the influence of noise on the surrounding environment, sound insulation cotton is generally used to isolate noise in the prior art. Currently, the sound insulation cotton used in air conditioner compressors is usually custom-produced and mainly consists of an inner sound-absorbing layer attached to the air conditioner compressor, a flame-retardant layer, and an external protective layer for protecting the sound-absorbing layer and reducing the influence of the external environment on the sound-absorbing layer.
[0003] The sound-absorbing layer and the external protective layer in the traditional sound insulation cotton are usually integrally processed and formed, which meets the requirements of noise reduction and heat preservation. However, in actual application, there are still some deficiencies. Specifically, as the use time increases, the sound-absorbing layer may decrease in sound insulation capacity due to aging, wear, and other reasons, and therefore needs to be replaced. According to the existing technology, the entire sound insulation cotton needs to be replaced, including the external protective layer and the internal sound-absorbing layer. Therefore, the external protective layer is also discarded, which not only causes material waste but also increases the replacement cost. Therefore, a flame-retardant modified sound insulation cotton is proposed for the above-mentioned situation. SUMMARY
[0004] In order to solve the problem of material waste and increased replacement cost caused by replacing the entire sound insulation cotton in the prior art, the utility model provides a flame-retardant modified sound insulation cotton.
[0005] The utility model discloses the technical scheme adopted to solve the technical problem is: a kind of flame-retardant modified sound insulation cotton, including internal protective layer and external protective layer, third connecting part is provided on the internal protective layer, the external protective layer includes second flame-retardant layer, waterproof layer is provided on the second flame-retardant layer, wear-resistant layer is provided on the waterproof layer, the both sides of the second flame-retardant layer are respectively provided with first side and second side, the first side and the second side are distributed in staggered, the bottom of the first side has first connecting part, the top of the second side has second connecting part.
[0006] The bottom of the second flame-retardant layer is provided with fourth connecting part, when the internal protective layer and the external protective layer are assembled and connected, the fourth connecting part and the third connecting part are mutually bonded.
[0007] As preferred, a first reserved hole is formed through the internal protective layer, a second reserved hole is formed through the external protective layer, and the first reserved hole and the second reserved hole are in communication when the internal protective layer and the external protective layer are assembled and connected.
[0008] Preferably, the internal protective layer comprises a felt layer, a damping material layer is arranged on the felt layer, a foamed material layer is arranged on the damping material layer, a sound insulation layer is arranged on the foamed material layer, and a first fireproof layer is arranged on the sound insulation layer.
[0009] Preferably, the third connecting part is fixed on the top of the first fireproof layer.
[0010] Preferably, the foamed material layer is made of any one of EVA foamed material or PE foamed material.
[0011] Preferably, the damping material layer is made of high polymer material or rubber material.
[0012] Preferably, the first connecting part and the third connecting part are both magic tape sub-tapes, and the second connecting part and the fourth connecting part are both magic tape mother tapes.
[0013] Preferably, the third connecting part and the fourth connecting part are both arranged in a ring shape.
[0014] The utility model discloses the beneficial effect lies in:
[0015] 1. The utility model discloses a structure design of internal protective layer, external protective layer, third connecting part and fourth connecting part, and the internal protective layer and external protective layer are connected by adopting detachable connection mode, realize the benefit that internal protective layer can be independently replaced, when sound insulation layer needs to be replaced because of aging or performance reduction, user does not need to discard entire sound insulation cotton, only needs to detach and replaces internal protective layer to can, thereby greatly reduce the waste of material, reduce replacement cost.
[0016] 2. The utility model discloses setting up wear -resisting layer on external protective layer, further enhanced the wear -resisting degree of external protective layer, can resist the friction, scratch and other physical damage caused by the disassembly of external protective layer when overhauling air conditioner compressor, effectively prevent the occurrence of the thinning, rupture and other conditions of external protective layer because of wear and tear, and further prolong the overall service life of external protective layer. ACCURACY
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0018] Figure 1 It is a structural schematic view of sound insulation cotton.
[0019] Figure 2It is a schematic view of the assembly structure of the sound insulation cotton.
[0020] Figure 3 It is a schematic view of the structure of the internal protective layer.
[0021] Figure 4 It is a schematic view of the structure of the external protective layer.
[0022] Figure 5 It is Figure 3 It is a schematic view of the local enlarged structure at A in the middle.
[0023] In the figure: 1, internal protective layer; 101, felt layer; 102, damping material layer; 103, foamed material layer; 104, sound insulation layer; 105, first flame-retardant layer; 106, first reserved hole; 2, external protective layer; 201, second flame-retardant layer; 202, waterproof layer; 203, wear-resistant layer; 204, first side edge; 2040, first connecting part; 205, second side edge; 2050, second connecting part; 206, second reserved hole; 3, third connecting part; 4, fourth connecting part. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] The following will be described in detail with reference to the drawings in the embodiments of the present application. Figures 1-5 The present application will be further described in detail,
[0026] The embodiments of the present application disclose a flame-retardant modified sound insulation cotton. Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a flame-retardant modified sound insulation cotton, comprising an internal protective layer 1 and an external protective layer 2, the internal protective layer 1 is provided with a third connecting part 3, the external protective layer 2 comprises a second flame-retardant layer 201, the second flame-retardant layer 201 is provided with a waterproof layer 202, the waterproof layer 202 is provided with a wear-resistant layer 203, the two sides of the second flame-retardant layer 201 are respectively provided with a first side edge 204 and a second side edge 205, the first side edge 204 and the second side edge 205 are distributed in a staggered manner, the bottom of the first side edge 204 has a first connecting part 2040, and the top of the second side edge 205 has a second connecting part 2050.
[0027] The wear-resistant layer 9 is made of rubber material, the waterproof layer 202 is made of DWR material coating, and the second fire-retardant layer 201 is sprayed by fire-retardant coating.
[0028] The bottom of the second fire-retardant layer 201 is provided with a fourth connecting part 4, and the fourth connecting part 4 is bonded with the third connecting part 3 when the internal protective layer 1 and the external protective layer 2 are assembled and connected.
[0029] The third connecting part 3 and the fourth connecting part 4 are both annularly arranged, so that the bonding surface of the internal protective layer 1 and the external protective layer 2 is larger, and the stability after connection is improved.
[0030] The first connecting part 2040 and the third connecting part 3 are both magic tape sub-tapes, and the second connecting part 2050 and the fourth connecting part 4 are both magic tape mother tapes, so that the internal protective layer 1 and the external protective layer 2 can be conveniently disassembled and replaced.
[0031] Referring to Figure 2 The internal protective layer 1 is provided with a first reserved hole 106, and the external protective layer 2 is provided with a second reserved hole 206, and the first reserved hole 106 and the second reserved hole 206 are in communication with each other when the internal protective layer 1 and the external protective layer 2 are assembled and connected.
[0032] The number and position of the first reserved hole 106 and the second reserved hole 206 are designed according to the number and position of the pipeline on the air conditioner compressor, so as to ensure that the pipeline connecting end passes through the first reserved hole 106 and the second reserved hole 206, and then the connection of the pipeline is facilitated.
[0033] Referring to Figure 5 The internal protective layer 1 comprises a felt layer 101, the felt layer 101 is provided with a damping material layer 102, the damping material layer 102 is provided with a foamed material layer 103, the foamed material layer 103 is provided with a sound insulation layer 104, the sound insulation layer 104 is provided with a first fire-retardant layer 105, and the first fire-retardant layer 105 is sprayed by fire-retardant coating.
[0034] Specifically, the third connecting part 3 is fixed at the top of the first fire-retardant layer 105.
[0035] The foamed material layer 103 is made of any one of EVA foamed material or PE foamed material.
[0036] Correspondingly, the foamed material layer 103 cooperates with the sound insulation layer 104 to effectively block the noise from spreading outward, and the sound insulation layer 104 is made of synthetic fiber material.
[0037] The damping material layer 102 is made of high polymer material or rubber material.
[0038] Working principle: in use, the fourth connecting part 4 on the outer protective layer 2 is aligned with the third connecting part 3 on the inner protective layer 1, then the third connecting part 3 and the fourth connecting part 4 are bonded together to complete the assembly of the inner protective layer 1 and the outer protective layer 2, then the sound insulation cotton formed after assembly is wound around the air compressor, the first connecting part 2040 and the second connecting part 2050 are bonded to complete the installation, in the installation process, the pipeline interface of the air compressor is ensured to pass through the first reserved hole 106 and the second reserved hole 206, when the sound insulation layer 104 needs to be replaced due to aging or performance decline, the user does not need to discard the entire sound insulation cotton, only needs to disassemble and replace the inner protective layer 1, thereby greatly reducing the waste of materials and reducing the replacement cost.
[0039] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model.
Claims
1. A flame-retardant modified acoustic wool, characterized in that, The utility model relates to a kind of fireproof and waterproof protective layer, including: Interior protective layer (1), third connecting part (3) is provided on the interior protective layer (1); Outer protective layer (2), the outer protective layer (2) includes second fire-retardant layer (201), waterproof layer (202) is provided on the second fire-retardant layer (201), wear-resistant layer (203) is provided on the waterproof layer (202), first side (204) and second side (205) are respectively provided on the two sides of the second fire-retardant layer (201), the first side (204) and second side (205) are distributed staggeredly, the bottom of the first side (204) has first connecting part (2040), the top of the second side (205) has second connecting part (2050); The bottom of the second fire-retardant layer (201) is provided with fourth connecting part (4), when interior protective layer (1) and outer protective layer (2) assembly connection, fourth connecting part (4) and third connecting part (3) are mutually bonded.
2. The fire-retardant modified acoustic cotton according to claim 1, characterized in that: First reserved hole (106) is set through on the interior protective layer (1), second reserved hole (206) is set through on the outer protective layer (2), when interior protective layer (1) and outer protective layer (2) assembly connection, first reserved hole (106) and second reserved hole (206) are mutually communicated.
3. The fire-retardant modified acoustic cotton according to claim 2, characterized in that: The interior protective layer (1) includes felt layer (101), damping material layer (102) is provided on the felt layer (101), foamed material layer (103) is provided on the damping material layer (102), sound insulation layer (104) is provided on the foamed material layer (103), first fire-retardant layer (105) is provided on the sound insulation layer (104).
4. The fire-retardant modified acoustic cotton according to claim 1 or 2, characterized in that: Third connecting part (3) is fixed at the top of first fire-retardant layer (105).
5. The fire-retardant modified acoustic cotton according to claim 3, characterized in that: The foamed material layer (103) is made of any one of EVA foamed material or PE foamed material.
6. The fire-retardant modified acoustic cotton according to claim 3, characterized in that: The damping material layer (102) is made of high molecular material or rubber material.
7. The fire-retardant modified acoustic cotton according to claim 1, characterized in that: First connecting part (2040) and third connecting part (3) are both magic tape sub-paste, second connecting part (2050) and fourth connecting part (4) are both magic tape mother paste.
8. The fire-retardant modified acoustic cotton according to claim 5, characterized in that: Third connecting part (3) and fourth connecting part (4) are both annularly arranged.