A noise reduction cover for an engine

Abstract

This utility model provides a noise reduction cover for an engine, including a body, sound-absorbing cotton, and a rubber ball cap. The body is specifically a rectangular shell with one open side. The four edges of the rectangular shell have avoidance arcs. The inner side of the front surface of the rectangular shell has mounting holes and locking posts. The mounting holes are used to install the rubber ball cap, and the locking posts are used to securely connect the sound-absorbing cotton. The body is injection molded from fiber-reinforced thermoplastic composite material, and the sound-absorbing cotton is made of polyurethane (PU). This engine noise reduction cover achieves a double-layer sound insulation effect and has high strength.

Description

Technical Field

[0001] This utility model relates to the field of engine technology, and in particular to a noise reduction cover for an engine. Background Technology

[0002] Engine noise reduction covers help prevent dust, static electricity, and noise from the engine, providing a clean and quiet working environment.

[0003] Currently, most engine noise reduction covers adopt a single-layer design, which has poor sound insulation effect and low strength.

[0004] In view of this, there is a need to provide an engine noise reduction cover with multi-layer sound insulation and high strength in order to solve the problems in the prior art. Utility Model Content

[0005] The purpose of this utility model embodiment is to provide a multi-layered sound insulation and high-strength engine noise reduction cover to overcome the shortcomings of the prior art. The specific technical solution is as follows:

[0006] An engine noise reduction cover includes a body, sound-absorbing cotton, and a rubber ball cap;

[0007] The main body is specifically a rectangular shell with one open side. The four sides of the rectangular shell are provided with avoidance arcs. The inner side of the front surface of the rectangular shell is provided with mounting holes and locking posts. The mounting holes are used to install the rubber ball cap, and the locking posts are used to fix and connect the sound-absorbing cotton.

[0008] The main body is injection molded from fiber-reinforced thermoplastic composite material, and the sound-absorbing cotton is made of polyurethane (PU) material.

[0009] Optionally, the sound-absorbing cotton is provided with a locking hole, and the locking post passes through the locking hole to fix the body and the sound-absorbing cotton together.

[0010] Optionally, the number of mounting holes is specifically 6, and the number of locking pins is specifically 13.

[0011] Optionally, an oil can marking is provided on the outer side of the front surface of the body to indicate that there is an oil filler port below that location.

[0012] Optionally, the inner side of the facade of the body is provided with reinforcing ribs to enhance the strength of the body and reduce noise.

[0013] Optionally, a supporting rib is provided around the mounting hole to enhance its strength.

[0014] Compared with existing technologies, the engine noise reduction cover of this utility model achieves a double-layer sound insulation effect through a combination of the main body and sound-absorbing cotton. The main body of the noise reduction cover is made of fiber-reinforced thermoplastic composite material, and the sound-absorbing cotton is processed from polyurethane (PU) material, which can further reduce noise pollution generated by the car during driving. The inner side of the noise reduction cover is equipped with reinforcing ribs to ensure the impact resistance and high strength of the main body. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of the noise reduction cover provided by this utility model;

[0017] Figure 2 This is a top view structural diagram of an embodiment of the noise reduction cover provided by this utility model.

[0018] in, Figures 1 to 2 The correspondence between the component names and their corresponding reference numerals in the figures is as follows:

[0019] 1. Main body, 11. Front surface, 12. Elevation;

[0020] 101 Avoidance arc, 102 Mounting hole, 103 Clip post, 104 Reinforcing rib;

[0021] 2. Sound-absorbing cotton;

[0022] 3. Rubber ball cap. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] It should be noted that in this embodiment, the orientation "left" is based on... Figure 2 The position of the noise reduction cover embodiment shown is defined based on the reference.

[0025] Please combine Figures 1 to 2 , Figure 1This is a three-dimensional structural schematic diagram of an embodiment of the noise reduction cover provided by this utility model; Figure 2 This is a top view structural diagram of an embodiment of the noise reduction cover provided by this utility model. Figures 1 to 2 As shown, the engine noise reduction cover provided in this embodiment includes a body 1, sound-absorbing cotton 2, and a rubber ball cap 3;

[0026] The main body 1 is specifically a rectangular shell with one open side. The four sides of the rectangular shell are provided with avoidance arcs 101. The inner side of the front surface 11 of the rectangular shell is provided with mounting holes 102 and locking posts 103. The mounting holes 102 are used to install the rubber ball cap 3, and the locking posts 103 are used to fix the sound-absorbing cotton 2.

[0027] The body 1 is injection molded from fiber-reinforced thermoplastic composite material, and the sound-absorbing cotton 2 is made of polyurethane (PU) material.

[0028] It should be noted that the shape of the sound-absorbing cotton 2 matches the shape of the body 1, and the sound-absorbing cotton 2 is assembled to the inside of the body 1.

[0029] The noise reduction cover for engines of this invention achieves a double-layer sound insulation effect through a body 1 and sound-absorbing cotton 2. The body of the noise reduction cover is made of fiber-reinforced thermoplastic composite material, and the sound-absorbing cotton is processed from polyurethane (PU) material, which can further reduce noise pollution generated by automobiles during driving.

[0030] Specifically, a locking hole can be set on the sound-absorbing cotton 2, and the position of the locking hole corresponds one-to-one with the position of the locking post 103. In actual use, the locking post 103 passes through the locking hole, and the end size of the locking post 103 is larger than the size of the locking hole, so that the locking post 103 will not fall off after passing through the locking hole, thereby fixing the body 1 and the sound-absorbing cotton 2 together.

[0031] More specifically, such as Figure 1 As shown, in this embodiment, there are 6 mounting holes 102 and 13 locking posts 103.

[0032] Furthermore, to facilitate the identification of the refueling port location, in this embodiment, an oil can mark is provided on the left side of the outer side of the front surface 11 of the main body 1 to indicate that there is a refueling port below that location.

[0033] To enhance the strength of the main body 1 and reduce noise, reinforcing ribs 104 are provided on the inner side of the facade 12 of the main body 1, ensuring the impact resistance and high strength of the main body 1.

[0034] In this embodiment, a supporting rib is provided around the mounting hole 102 to enhance the strength of the mounting hole 102.

[0035] Compared with existing technologies, the engine noise reduction cover of this invention achieves a double-layer sound insulation effect through a combination of the main body and sound-absorbing cotton. The main body of the noise reduction cover is made of fiber-reinforced thermoplastic composite material, and the sound-absorbing cotton is processed from polyurethane (PU) material, which can further reduce noise pollution generated by the car during driving. Reinforcing ribs are provided on the inner side of the noise reduction cover to ensure the impact resistance and high strength of the main body.

[0036] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model are included within the scope of protection of this utility model.

Claims

1. A noise reduction cover for an engine, characterized in that, It includes the main body (1), sound-absorbing cotton (2), and a rubber ball cap (3); The main body (1) is specifically a rectangular shell with one open side. The four sides of the rectangular shell are provided with clearance arcs (101). The inner side of the front surface (11) of the rectangular shell is provided with mounting holes (102) and locking posts (103). The mounting holes (102) are used to install the rubber ball cap (3), and the locking posts (103) are used to fix and connect the sound-absorbing cotton (2). The main body (1) is injection molded from fiber-reinforced thermoplastic composite material, and the sound-absorbing cotton (2) is made of polyurethane (PU) material.

2. The engine noise reduction cover according to claim 1, characterized in that, The sound-absorbing cotton (2) is provided with a card hole, and the card post (103) passes through the card hole to fix the body (1) and the sound-absorbing cotton (2) together.

3. The engine noise reduction cover according to claim 2, characterized in that, The number of mounting holes (102) is specifically 6, and the number of locking posts (103) is specifically 13.

4. The engine noise reduction cover according to claim 3, characterized in that, An oil can marking is provided on the outer side of the front surface (11) of the main body (1) to indicate that there is an oil filling port below that location.

5. The engine noise reduction cover according to claim 4, characterized in that, The inner side of the facade (12) of the main body (1) is provided with reinforcing ribs (104) to enhance the strength of the main body (1) and reduce noise.

6. The engine noise reduction cover according to claim 5, characterized in that, Supporting ribs are provided around the mounting hole (102) to enhance the strength of the mounting hole (102).

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