Engine hood with sound insulation and noise reduction functions

Abstract

The utility model relates to the related technical field of engines, in particular to an engine hood with sound insulation and noise reduction functions, which comprises a hood body, a sound insulation mechanism is arranged on one side of the surface of the hood body, and a fixing mechanism is arranged in the hood body. According to the engine hood with the sound insulation and noise reduction functions, through the arrangement of a connecting strip, first sound insulation cotton, a fixing frame, second sound insulation cotton, a sound insulation plate, a circular shaft and a fixing strip, when an engine needs to be subjected to sound insulation, the first sound insulation cotton is installed in the connecting strip in the hood body firstly, and the hood body is attached to the first sound insulation cotton; the fixing frame is placed on one side of the first sound insulation cotton, the second sound insulation cotton is laid in the fixing frame, the fixing frame is attached to the second sound insulation cotton, the sound insulation plate covers one side of the second sound insulation cotton, the fixing strip is made to rotate through the circular shaft, one side of the fixing strip is attached to the sound insulation plate, and the sound insulation plate can be fixed in the fixing frame.

Description

Technical Field

[0001] The utility model relates to the technical field related to engines, and in particular to an engine cover with sound insulation and noise reduction functions. Background Art

[0002] The engine hood, also known as the engine hood, is the most eye-catching body component and one of the parts that car buyers often check. The main requirements for the engine hood are heat insulation and sound insulation, light weight and strong rigidity. Its geometric shape is selected by the manufacturer and is basically a skeleton form. Therefore, there is a special need for an engine hood with sound insulation and noise reduction functions.

[0003] However, although the existing engine hoods with sound insulation and noise reduction functions can meet the sound insulation effect, most of them can only perform sound insulation once. During the driving of the car, the sound generated by the engine will still be transmitted to the car, affecting the riding experience of the driver and passengers, and posing a safety hazard. Utility Model Content

[0004] The purpose of the utility model is to provide an engine hood with sound insulation and noise reduction functions to solve the problem that the existing engine hood with sound insulation and noise reduction functions proposed in the above background technology can meet the sound insulation effect, but most of them can only perform sound insulation once. During the driving of the car, the sound generated by the engine will still be transmitted to the car, affecting the riding experience of the driver and passengers, and posing a safety hazard.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an engine hood with sound insulation and noise reduction function, comprising a hood body, a sound insulation mechanism is arranged on one side of the surface of the hood body, and a fixing mechanism is arranged inside the hood body;

[0006] The sound insulation mechanism includes a connecting strip, a first sound insulation cotton, a fixed frame, a second sound insulation cotton, a sound insulation board, a round shaft and a fixed strip. One side of the surface of the cover body is connected to the connecting strip, the first sound insulation cotton is embedded in the connecting strip, one side of the surface of the connecting strip is connected to the fixed frame, the second sound insulation cotton is installed in the fixed frame, the fixed frame is connected to the sound insulation board, one side of the surface of the fixed frame is connected to the round shaft, and the surface of the round shaft is sleeved with a fixing strip.

[0007] Preferably, the interior of the cover body is in contact with the first sound insulation cotton, and the interior of the cover body is in contact with the fixing frame.

[0008] Preferably, the interior of the fixing frame is in contact with the second sound insulation cotton, and the interior of the fixing frame is in contact with the sound insulation board.

[0009] Preferably, one side of the surface of the sound insulation board is in contact with the fixing strip, and ten groups of the circular shafts are provided.

[0010] Preferably, the fixing mechanism includes a limit groove, a limit block, a threaded column and a nut. A limit groove is provided on one side of the surface of the connecting strip, a limit block is embedded inside the limit groove, one end of the limit block is connected to a threaded column, and one end of the threaded column is connected to a nut.

[0011] Preferably, four groups of the limiting grooves are provided, and eight groups of the limiting blocks are provided.

[0012] Preferably, one side of the surface of the sound insulation board is in contact with the nut, and the threaded column passes through the second sound insulation cotton and is threadedly connected to the nut.

[0013] Compared with the prior art, the beneficial effect of the utility model is that although the engine hood with sound insulation and noise reduction function can meet the sound insulation effect, most of them can only perform sound insulation once. During the driving of the car, the sound generated by the engine will still be transmitted to the car, affecting the riding experience of the driver and passengers, and posing a safety hazard. Therefore, this engine hood with sound insulation and noise reduction function is installed with a sound insulation mechanism. Through the successive sound insulation of the first sound insulation cotton, the second sound insulation cotton and the sound insulation board, the noise generated when the engine is running can be soundproofed multiple times, thereby increasing the noise reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the cross-sectional appearance structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the exploded structure of the sound insulation mechanism of the utility model;

[0016] Figure 3 This is a schematic diagram of the exploded structure of the fixing mechanism of the utility model;

[0017] Figure 4 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0018] In the figure: 1. cover body; 2. sound insulation mechanism; 201. connecting strip; 202. first sound insulation cotton; 203. fixing frame; 204. second sound insulation cotton; 205. sound insulation board; 206. round shaft; 207. fixing strip; 3. fixing mechanism; 301. limiting groove; 302. limiting block; 303. threaded column; 304. nut. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution: an engine hood with sound insulation and noise reduction function, comprising a hood body 1, a sound insulation mechanism 2 is arranged on one side of the surface of the hood body 1, and a fixing mechanism 3 is arranged inside the hood body 1;

[0021] The sound insulation mechanism 2 includes a connecting strip 201, a first sound insulation cotton 202, a fixing frame 203, a second sound insulation cotton 204, a sound insulation board 205, a round shaft 206 and a fixing strip 207. One side of the surface of the cover body 1 is connected to the connecting strip 201, the first sound insulation cotton 202 is embedded in the connecting strip 201, one side of the surface of the connecting strip 201 is connected to the fixing frame 203, the second sound insulation cotton 204 is installed in the fixing frame 203, the fixing frame 203 is connected to the sound insulation board 205, one side of the surface of the fixing frame 203 is connected to the round shaft 206, and the surface of the round shaft 206 is sleeved with a fixing strip 207. When it is needed When soundproofing the engine, first install the first sound insulation cotton 202 in the connecting strip 201 inside the cover body 1 so that the cover body 1 fits with the first sound insulation cotton 202, then place the fixing frame 203 on one side of the first sound insulation cotton 202, and then spread the second sound insulation cotton 204 inside the fixing frame 203 so that the fixing frame 203 fits with the second sound insulation cotton 204, then cover the sound insulation board 205 on one side of the second sound insulation cotton 204, and rotate the fixing strip 207 through the circular shaft 206 so that one side of the fixing strip 207 fits with the sound insulation board 205, and the sound insulation board 205 can be fixed in the fixing frame 203.

[0022] Furthermore, the interior of the cover body 1 fits with the first sound insulation cotton 202, and the interior of the cover body 1 fits with the fixed frame 203. Through the setting of the first sound insulation cotton 202, since the first sound insulation cotton 202 is installed above the engine, it can partially soundproof the noise generated when the engine is running, thereby achieving a partial noise reduction effect.

[0023] Furthermore, the interior of the fixed frame 203 is in contact with the second sound insulation cotton 204, and the interior of the fixed frame 203 is in contact with the sound insulation board 205. By setting the second sound insulation cotton 204, since the second sound insulation cotton 204 is installed between the first sound insulation cotton 202 and the sound insulation board 205, the noise generated when the engine is running can be secondarily soundproofed, thereby increasing the noise reduction effect.

[0024] Furthermore, one side of the surface of the sound insulation board 205 is in contact with the fixing strip 207, and ten groups of circular shafts 206 are provided. Through the provision of the sound insulation board 205, when the engine is running, the noise generated can be first soundproofed by the sound insulation board 205, and can also play a noise reduction role together with the first sound insulation cotton 202 and the second sound insulation cotton 204, thus playing a complementary role.

[0025] Furthermore, the fixing mechanism 3 includes a limiting groove 301, a limiting block 302, a threaded column 303 and a nut 304. A limiting groove 301 is provided on one side of the surface of the connecting strip 201, and a limiting block 302 is embedded in the limiting groove 301. One end of the limiting block 302 is connected to the threaded column 303, and one end of the threaded column 303 is connected to the nut 304. Through the arrangement of the limiting groove 301, the limiting block 302, the threaded column 303 and the nut 304, when the sound insulation mechanism 2 needs to be assembled, first, the two groups of threaded columns 303 are placed in the limiting groove 301 in sequence, and then the fixing frame 203 and the second sound insulation cotton 204 are passed through the threaded column 303 in sequence, and then the nut 304 is rotated and threadedly connected to one end of the threaded column 303. At this time, the fixing frame 203 and the second sound insulation cotton 204 are fixed in the cover body 1, and the limiting block 302 can firmly fix the threaded column 303 inside the connecting strip 201.

[0026] Furthermore, four groups of limiting grooves 301 are provided, and eight groups of limiting blocks 302 are provided. Through the setting of the limiting blocks 302, when one end of the threaded column 303 is embedded in the limiting groove 301, the limiting blocks 302 and the limiting groove 301 are engaged with each other, and the threaded column 303 can be fixed on the connecting strip 201.

[0027] Furthermore, one side of the surface of the sound insulation board 205 is fitted with the nut 304, and the threaded column 303 passes through the second sound insulation cotton 204 and is threadedly connected with the nut 304. Through the setting of the nut 304, when the two groups of threaded columns 303 of the nut 304 are threadedly connected, the two groups of threaded columns 303 can be tightly fitted so that the threaded columns 303 will not be separated from the connecting strip 201.

[0028] Working principle: When the engine needs to be soundproofed, first install the first soundproofing cotton 202 in the connecting strip 201 inside the cover 1, so that the cover 1 fits the first soundproofing cotton 202, then put the two sets of threaded columns 303 into the limiting grooves 301 in turn, then place the fixing frame 203 on one side of the first soundproofing cotton 202, and lay the second soundproofing cotton 204 inside the fixing frame 203, so that the fixing frame 203 and the second soundproofing cotton 204 pass through the threaded column 303 in turn, and then put the nut 304 and the threaded column 303 together. 03 is rotated and threadedly connected, at this time, the fixing frame 203 and the second sound insulation cotton 204 are fixed in the cover body 1, and the limit block 302 can firmly fix the threaded column 303 inside the connecting strip 201, and then the sound insulation board 205 is covered on one side of the second sound insulation cotton 204, and the fixing strip 207 is rotated by the circular shaft 206 to make one side of the fixing strip 207 fit with the sound insulation board 205, so that the sound insulation board 205 can be fixed in the fixing frame 203, and finally the cover body 1 can be installed on the outside of the engine.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An engine hood with sound insulation and noise reduction function, comprising a hood body (1), characterized in that: A sound insulation mechanism (2) is provided on one side of the surface of the cover body (1), and a fixing mechanism (3) is provided inside the cover body (1); The sound insulation mechanism (2) comprises a connecting strip (201), a first sound insulation cotton (202), a fixing frame (203), a second sound insulation cotton (204), a sound insulation board (205), a round shaft (206) and a fixing strip (207); one side of the surface of the cover body (1) is connected to the connecting strip (201); the first sound insulation cotton (202) is embedded in the interior of the connecting strip (201); one side of the surface of the connecting strip (201) is connected to the fixing frame (203); the second sound insulation cotton (204) is installed in the interior of the fixing frame (203); the interior of the fixing frame (203) is connected to the sound insulation board (205); one side of the surface of the fixing frame (203) is connected to the round shaft (206); the surface of the round shaft (206) is sleeved with the fixing strip (207).

2. The engine hood with sound insulation and noise reduction function according to claim 1, characterized in that: The interior of the cover body (1) is in close contact with the first sound insulation cotton (202), and the interior of the cover body (1) is in close contact with the fixing frame (203).

3. The engine hood with sound insulation and noise reduction function according to claim 1, characterized in that: The interior of the fixing frame (203) is in contact with the second sound insulation cotton (204), and the interior of the fixing frame (203) is in contact with the sound insulation board (205).

4. The engine hood with sound insulation and noise reduction function according to claim 1, characterized in that: One side of the surface of the sound insulation board (205) is in contact with the fixing strip (207), and ten groups of the circular shafts (206) are provided.

5. The engine hood with sound insulation and noise reduction function according to claim 1, characterized in that: The fixing mechanism (3) comprises a limiting groove (301), a limiting block (302), a threaded column (303) and a nut (304); a limiting groove (301) is provided on one side of the surface of the connecting strip (201); a limiting block (302) is embedded in the limiting groove (301); one end of the limiting block (302) is connected to the threaded column (303); and one end of the threaded column (303) is connected to the nut (304).

6. The engine hood with sound insulation and noise reduction function according to claim 5, characterized in that: The limiting grooves (301) are provided in four groups, and the limiting blocks (302) are provided in eight groups.

7. The engine hood with sound insulation and noise reduction function according to claim 5, characterized in that: One side of the surface of the sound insulation board (205) is in contact with the nut (304), and the threaded column (303) passes through the second sound insulation cotton (204) and is threadedly connected to the nut (304).

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