Automobile sound absorption and heat insulation cotton convenient to install

Abstract

The utility model discloses automobile sound-absorbing and heat-insulating cotton convenient to install, which comprises a facing layer, an upper connecting block is installed outside the facing layer, a second fixing rod is fixedly connected outside the upper connecting block, a first fixing rod is installed outside the facing layer, a threaded rod penetrates through the inside of the first fixing rod, the threaded rod is in threaded connection with a threaded hole, and the second fixing rod is fixedly connected with the threaded hole. The threaded hole is formed in the surface of the second fixing rod, and a knob is arranged at the top end of the threaded rod. According to the automobile sound absorption and heat insulation cotton convenient to install, an upper connecting block is installed outside the facing layer, a second fixing rod is fixedly connected to the exterior of the upper connecting block, a first fixing rod is installed outside the facing layer, then a threaded rod penetrates through the interior of the first fixing rod, and the threaded rod is in threaded connection with a threaded hole; in this way, operation of workers is very convenient during installation, and when replacement is needed due to damage after long-term use, time and labor are saved during disassembly and replacement of the workers.

Description

Technical Field

[0001] The utility model belongs to the technical field of sound-absorbing and heat-insulating cotton, and in particular relates to a car sound-absorbing and heat-insulating cotton which is easy to install. Background Art

[0002] Sound-absorbing and heat-insulating cotton is a finished cotton product with sound-absorbing, heat-insulating and fire-proof effects formed by a mixture of polyester fiber and low-melting-point fiber through opening, carding, laying nets, high-temperature box, and finally a needle punching or hot air process. The heat-insulating cotton has the characteristics of high temperature resistance, non-flammability, and low thermal conductivity. It is now widely used in industry. This type of product can be further processed and compounded with aluminum foil and glass fiber cloth to make its use more extensive.

[0003] The car sound-absorbing and heat-insulating cotton currently on the market has the following problems when used:

[0004] 1. When using traditional car sound-absorbing and heat-insulating cotton, it is usually fixed to the car exhaust pipe with glue during installation, which is very inconvenient to operate. Moreover, when it is damaged after long-term use and needs to be replaced, it is time-consuming and laborious for the staff to disassemble it;

[0005] 2. When most car sound-absorbing and heat-insulating cotton is used, after it is installed on the car exhaust pipe, the edge of the sound-absorbing and heat-insulating cotton is difficult to fit tightly and is easy to loosen and form gaps, resulting in poor sealing and reducing the sound-absorbing and heat-insulating effect of the sound-absorbing and heat-insulating cotton. Utility Model Content

[0006] The purpose of the utility model is to provide an automobile sound-absorbing and heat-insulating cotton that is easy to install, so as to solve the technical problems raised in the background technology.

[0007] To achieve the above-mentioned purpose, the specific technical solution of the present invention is as follows: an automobile sound-absorbing and heat-insulating cotton that is easy to install, comprising a finishing layer, an upper connecting block is installed on the outside of the finishing layer, the upper connecting block is fixedly connected to the second fixing rod on the outside of the finishing layer, and a first fixing rod is installed on the outside of the finishing layer, a threaded rod passes through the inside of the first fixing rod, the threaded rod is threadedly connected to the threaded hole, the threaded hole is opened on the surface of the second fixing rod, and a knob is provided on the top of the threaded rod. In this way, when installing the sound-absorbing and heat-insulating cotton, it is only necessary to fit the inside of the sound-absorbing and heat-insulating cotton to the position of the automobile exhaust pipe, and then turn the knob so that the bottom of the threaded rod is threadedly connected to the inside of the threaded hole until it is tightened, so that the first fixing rod and the second fixing rod can be fixed together, and the installation of the sound-absorbing and heat-insulating cotton is completed. When disassembling, the knob can be turned in the opposite direction so that the threaded rod is screwed out of the threaded hole, and the sound-absorbing and heat-insulating cotton can be removed. In this way, the staff can operate very conveniently during installation, and if it is damaged after long-term use and needs to be replaced, it saves time and effort for the staff to disassemble and replace it.

[0008] Preferably, the outside of the finishing layer is fixedly connected to a fixing ring, a sealing strip is installed on the inner wall of the fixing ring, a screw hole is provided on the surface of the fixing ring, a screw rod is threadedly connected to the inside of the screw hole, and an adjusting button is provided on the top of the screw rod. In this way, after the sound-absorbing and heat-insulating cotton is installed, the fixing ring and the sealing strip on its inner wall can be tightly fitted on the exhaust pipe of the automobile, so that it has better sealing. Then the adjusting button is turned to screw the screw rod into the screw hole until the bottom of the screw rod is tightly fitted on the surface of the automobile exhaust pipe for fixation, so that the edge of the sound-absorbing and heat-insulating cotton is not easy to loosen and has good sealing. After the sound-absorbing and heat-insulating cotton is installed on the automobile exhaust pipe, the edge of the sound-absorbing and heat-insulating cotton can fit tightly, avoiding the appearance of gaps caused by loosening, and its sealing is strong, so that the sound-absorbing and heat-insulating cotton can maintain good sound absorption and heat insulation effects.

[0009] Preferably, a sound-absorbing layer is installed at the bottom of the finishing layer, and a mesh layer is installed at the bottom of the sound-absorbing layer. The sound-absorbing layer and the mesh layer structure can effectively absorb noise and have the effect of reinforcing the sound-absorbing and heat-insulating cotton.

[0010] Preferably, the bottom of the grid layer is fixedly connected to the heat insulation layer, and the bottom of the heat insulation layer is installed with a bonding layer. Through the provided heat insulation layer and bonding layer structure, heat can be effectively isolated and can be well bonded to the surface of the automobile exhaust pipe.

[0011] Preferably, the outside of the bonding layer is fixedly connected to the lower connecting block, and the lower connecting block is bonded to the bottom of the upper connecting block. The sealing performance at the interface of the sound-absorbing and heat-insulating cotton can be effectively improved by providing the lower connecting block and the upper connecting block structure.

[0012] Preferably, the exterior of the finishing layer is fixedly connected to a fastening ring, and the fastening rings are symmetrically distributed. The fastening ring structure can effectively reinforce the sound-absorbing and heat-insulating cotton to prevent it from loosening.

[0013] The utility model is an easy-to-install automobile sound-absorbing and heat-insulating cotton with the following advantages:

[0014] 1. This car sound-absorbing and heat-insulating cotton that is easy to install is characterized by installing an upper connecting block on the outside of the finishing layer, and fixing the second fixing rod on the outside of the upper connecting block, installing the first fixing rod on the outside of the finishing layer, and then passing a threaded rod through the inside of the first fixing rod, wherein the threaded rod is threadedly connected to the threaded hole, and the threaded hole is opened on the surface of the second fixing rod, and then a knob is provided on the top of the threaded rod. In this way, when installing the sound-absorbing and heat-insulating cotton, it is only necessary to fit the inside of the sound-absorbing and heat-insulating cotton to the position of the exhaust pipe of the automobile, and then turn the knob so that the bottom of the threaded rod is threadedly connected to the inside of the threaded hole until it is tightened, so that the first fixing rod and the second fixing rod can be fixed together, and the installation of the sound-absorbing and heat-insulating cotton is completed. When disassembling, the knob can be turned in the opposite direction so that the threaded rod is screwed out of the threaded hole, and the sound-absorbing and heat-insulating cotton can be removed. In this way, the staff can operate very conveniently during installation, and if it is damaged after long-term use and needs to be replaced, it saves time and effort for the staff to disassemble and replace it.

[0015] 2. This easy-to-install car sound-absorbing and heat-insulating cotton is achieved by fixing a fixing ring on the outside of the finishing layer, installing a sealing strip on the inner wall of the fixing ring, opening a screw hole on the surface of the fixing ring, and threading a screw rod inside the screw hole. Then, an adjusting button is provided on the top of the screw rod. In this way, after the sound-absorbing and heat-insulating cotton is installed, the fixing ring and the sealing strip on its inner wall can be tightly fitted on the exhaust pipe of the car, so that it has better sealing. Then, the adjusting button is turned to screw the screw rod into the screw hole until the bottom of the screw rod is tightly fitted on the surface of the car exhaust pipe for fixation. This can make the edge of the sound-absorbing and heat-insulating cotton not easy to loosen and has good sealing. After the sound-absorbing and heat-insulating cotton is installed on the car exhaust pipe, the edge of the sound-absorbing and heat-insulating cotton can be tightly fitted, avoiding the appearance of gaps caused by loosening. Its sealing is strong, so that the sound-absorbing and heat-insulating cotton can maintain good sound-absorbing and heat-insulating effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic structural diagram of the upper connecting block of the present utility model;

[0019] Figure 3 For the utility model Figure 1 Enlarged view of part A;

[0020] Figure 4For the utility model Figure 1 Enlarged view of part B.

[0021] Explanation of the marks in the figure: 1. Finishing layer; 2. Fastening ring; 3. First fixing rod; 4. Second fixing rod; 5. Sound-absorbing layer; 6. Mesh layer; 7. Heat-insulating layer; 8. Laminating layer; 9. Lower connecting block; 10. Upper connecting block; 11. Knob; 12. Threaded hole; 13. Threaded rod; 14. Sealing strip; 15. Fixing ring; 16. Adjusting knob; 17. Screw hole; 18. Screw rod. DETAILED DESCRIPTION

[0022] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0023] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0025] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0026] The disclosure below provides many different embodiments or examples for implementing different structures of the embodiments of the present invention. In order to simplify the disclosure of the embodiments of the present invention, the components and settings of specific examples are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. In addition, the embodiments of the present invention may repeat reference numbers and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0027] In order to better understand the purpose, structure and function of the present invention, the following is a further detailed description of the easy-to-install car sound-absorbing and heat-insulating cotton of the present invention in conjunction with the accompanying drawings.

[0028] like Figure 1-4 The first fixing rod 3 is screwed to the second fixing rod 4 and the second fixing rod 4 is screwed to the first fixing rod 3.

[0029] The outside of the finishing layer 1 is fixedly connected to the fixing ring 15, and the sealing strip 14 is installed on the inner wall of the fixing ring 15. A screw hole 17 is opened on the surface of the fixing ring 15, and the screw hole 17 is threadedly connected to the screw rod 18. The top of the screw rod 18 is provided with an adjusting button 16. In this way, after the sound-absorbing and heat-insulating cotton is installed, the fixing ring 15 and the sealing strip 14 on its inner wall can be tightly fitted on the automobile exhaust pipe, so that it has better sealing. Then, the adjusting button 16 is turned to screw the screw rod 18 into the screw hole 17 until the bottom of the screw rod 18 is tightly fitted on the surface of the automobile exhaust pipe for fixation, so that the edge of the sound-absorbing and heat-insulating cotton is not easy to loosen and has good sealing. After the sound-absorbing and heat-insulating cotton is installed on the automobile exhaust pipe, the edge of the sound-absorbing and heat-insulating cotton can fit tightly, avoiding the appearance of gaps caused by loosening, and its sealing is strong, so that the sound-absorbing and heat-insulating cotton can maintain good sound absorption and heat insulation effects.

[0030] A sound-absorbing layer 5 is installed at the bottom of the finishing layer 1, and a mesh layer 6 is installed at the bottom of the sound-absorbing layer 5. The structure of the sound-absorbing layer 5 and the mesh layer 6 can effectively absorb noise and have the effect of reinforcing the sound-absorbing and heat-insulating cotton.

[0031] The bottom of the grid layer 6 is fixedly connected to the insulation layer 7, and the bonding layer 8 is installed at the bottom of the insulation layer 7. Through the structure of the insulation layer 7 and the bonding layer 8, heat can be effectively isolated and can be well bonded to the surface of the automobile exhaust pipe.

[0032] The outside of the bonding layer 8 is fixedly connected to the lower connecting block 9, and the lower connecting block 9 is bonded to the bottom of the upper connecting block 10. The structure of the lower connecting block 9 and the upper connecting block 10 can effectively improve the sealing performance of the interface of the sound-absorbing and heat-insulating cotton.

[0033] The exterior of the finishing layer 1 is fixedly connected to a fastening ring 2, which is symmetrically distributed. The fastening ring 2 structure can effectively reinforce the sound-absorbing and heat-insulating cotton so that it is not easy to loosen.

[0034] The working principle of the easy-to-install car sound-absorbing and heat-insulating cotton: when using the car sound-absorbing and heat-insulating cotton, first, when installing the sound-absorbing and heat-insulating cotton, you only need to fit the bonding layer 8 inside the sound-absorbing and heat-insulating cotton to the surface of the car exhaust pipe, then pinch the first fixing rod 3 and the second fixing rod 4, and turn the knob 11 so that the bottom of the threaded rod 13 is threadedly connected to the inside of the threaded hole 12 until it is tightened, and the first fixing rod 3 and the second fixing rod 4 can be fixed together to complete the installation of the sound-absorbing and heat-insulating cotton. When it needs to be disassembled, the knob 11 can be turned in the opposite direction to make the threaded rod 13 screwed out of the threaded hole 12, and the sound-absorbing and heat-insulating cotton can be removed. In this way, the staff is very convenient to operate during installation, and if it is damaged after long-term use and needs to be replaced, it is time-saving and labor-saving for the staff to disassemble and replace it. Secondly, by fixing the fixing ring 15 on the outside of the finishing layer 1, and A sealing strip 14 is installed on the inner wall of the fixing ring 15, and a screw hole 17 is opened on the surface of the fixing ring 15. The screw hole 17 is threadedly connected to a screw rod 18, and then an adjusting button 16 is provided on the top of the screw rod 18. In this way, after the sound-absorbing and heat-insulating cotton is installed, the sealing strip 14 on the fixing ring 15 and its inner wall can be tightly fitted on the automobile exhaust pipe, so that it has better sealing. Then, the adjusting button 16 is turned to screw the screw rod 18 into the screw hole 17 until the bottom of the screw rod 18 is tightly fitted on the surface of the automobile exhaust pipe for fixation. This can make the edge of the sound-absorbing and heat-insulating cotton not easy to loosen and has good sealing. After the sound-absorbing and heat-insulating cotton is installed on the automobile exhaust pipe, the edge of the sound-absorbing and heat-insulating cotton can be tightly fitted, avoiding the appearance of gaps caused by loosening. Its sealing is strong, so that the sound-absorbing and heat-insulating cotton can maintain good sound absorption and heat insulation effects.

[0035] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. An automobile sound-absorbing and heat-insulating cotton that is easy to install, comprising a finishing layer (1), characterized in that: An upper connecting block (10) is installed on the outside of the finishing layer (1), and the upper connecting block (10) is fixedly connected to the second fixing rod (4) on the outside. A first fixing rod (3) is installed on the outside of the finishing layer (1), and a threaded rod (13) passes through the inside of the first fixing rod (3). The threaded rod (13) is threadedly connected to a threaded hole (12), and the threaded hole (12) is opened on the surface of the second fixing rod (4). A knob (11) is provided at the top end of the threaded rod (13).

2. The easy-to-install car sound-absorbing and heat-insulating cotton according to claim 1 is characterized in that: The exterior of the finishing layer (1) is fixedly connected to a fixing ring (15), a sealing strip (14) is installed on the inner wall of the fixing ring (15), a screw hole (17) is provided on the surface of the fixing ring (15), a screw rod (18) is threadedly connected to the interior of the screw hole (17), and an adjusting button (16) is provided at the top of the screw rod (18).

3. The easy-to-install automobile sound-absorbing and heat-insulating cotton according to claim 1 is characterized in that: A sound-absorbing layer (5) is installed at the bottom of the finishing layer (1), and a mesh layer (6) is installed at the bottom of the sound-absorbing layer (5).

4. The easy-to-install automobile sound-absorbing and heat-insulating cotton according to claim 3 is characterized in that: The bottom of the grid layer (6) is fixedly connected to the heat insulation layer (7), and the bottom of the heat insulation layer (7) is installed with a bonding layer (8).

5. The easy-to-install automobile sound-absorbing and heat-insulating cotton according to claim 4 is characterized in that: The outside of the bonding layer (8) is fixedly connected to the lower connection block (9), and the lower connection block (9) is bonded to the bottom of the upper connection block (10).

6. The easy-to-install automobile sound-absorbing and heat-insulating cotton according to claim 1 is characterized in that: The exterior of the finishing layer (1) is fixedly connected to a fastening ring (2), and the fastening ring (2) is symmetrically distributed.

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