CN212838011U - Noise reduction device for automobile engine - Google Patents
Noise reduction device for automobile engine Download PDFInfo
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- CN212838011U CN212838011U CN202020985913.4U CN202020985913U CN212838011U CN 212838011 U CN212838011 U CN 212838011U CN 202020985913 U CN202020985913 U CN 202020985913U CN 212838011 U CN212838011 U CN 212838011U
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- 229920000742 Cotton Polymers 0.000 claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims 8
- 239000000428 dust Substances 0.000 abstract description 5
- 230000000630 rising effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an automobile engine noise reduction device, a second shell is welded on one side of the outer surface of a first shell, two fixed blocks are welded on one side of the inner part of the second shell, a chute is formed on one side adjacent to the two fixed blocks, one side of the slider close to a filter screen is welded with the filter screen, one side of the slider far away from a limiting block is welded with a connecting rod, one end of the connecting rod far away from the slider is welded with a fixed plate, and one side of the fixed block close to the fixed plate is provided with a first threaded hole; this device is when using, inhales the sound cotton through the setting and absorbs the noise that the engine operation produced to keep apart it with the external world by the cavity, noise abatement is to driver's influence, and discharge the heat that the motor operation produced through heat conduction piece cooperation conducting strip and fan, prevent to lead to the noise propagation efficiency to rise because of the rising of temperature in the first casing, set up the filter screen and prevent that dust debris from getting into first casing, prevent that it from causing the influence to the normal use of engine.
Description
Technical Field
The utility model relates to an engine noise reduction technical field specifically is automobile engine noise reduction device.
Background
An engine is a machine capable of converting other forms of energy into mechanical energy, and includes, for example, an internal combustion engine (reciprocating piston engine), an external combustion engine (stirling engine, steam engine, etc.), a jet engine, an electric motor, etc., and the internal combustion engine generally converts chemical energy into mechanical energy, and the engine is suitable for a power generation device, and may also refer to an entire machine including a power device (e.g., a gasoline engine, an aircraft engine), and the engine is originally produced in the united kingdom, so the engine concept is also derived from english, and its meaning refers to that "mechanical device for generating power".
The engine can produce great noise in service, and automobile engine influences driver's hearing easily if the noise is too big for driver's fatigue speed causes the traffic accident easily, has certain potential safety hazard.
The invention is disclosed in China: CN201720625813.9 discloses automobile engine noise reduction device, the device falls to making an uproar through setting up the engine of a plurality of breather pipes to the car and carry out the air-breathing formula, reduce the noise that the engine produced, noise reduction is to driver's influence, but the device only carries out the noise reduction effect through setting up the breather pipe and is comparatively weak, still there is great noise when the engine moves, the device is not perfect enough to the noise processing of engine, and the air-breathing formula falls to make dust get into easily, influence the normal use of engine, for this reason, it falls the device to propose automobile engine noise reduction.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a device of making an uproar falls in automobile engine.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the noise reduction device for the automobile engine comprises a first shell, wherein a second shell is welded on one side of the outer surface of the first shell, two fixed blocks are welded on one side of the inner portion of the second shell, sliding grooves are formed in two adjacent sides of the two fixed blocks, a limiting block is welded on one side of the inner portion of each sliding groove, a sliding block is connected to the inner portion of each sliding groove in a sliding mode, a filter screen is arranged between the two sliding blocks, one side, close to the filter screen, of each sliding block is welded with the corresponding filter screen, a connecting rod is welded on one side, far away from the limiting block, of each sliding block, a fixed plate is welded at one end, far away from the corresponding sliding block, of each fixed block, a first threaded hole is formed in one side, close to the corresponding fixed plate, of each fixed plate, the fan comprises a first shell, a second shell and a fan body, wherein a heat conducting block is welded on one side of the first shell, heat conducting fins are evenly welded on one side, close to the second shell, of the heat conducting block, and the fan body is installed on one side, close to the heat conducting fins, of the inside of the second shell.
Preferably, a switch is installed on one side of the top of the second casing, and an electrical output end of the switch is electrically connected with an electrical input end of the fan.
Preferably, a cavity is formed in the first shell.
Preferably, sound absorption cotton is bonded to one side of the interior of the first shell, which is close to the cavity.
(III) advantageous effects
Compared with the prior art, the utility model provides a device of making an uproar falls in automobile engine possesses following beneficial effect: this device is when using, inhales the sound cotton through the setting and absorbs the noise that the engine operation produced to keep apart it with the external world by the cavity, noise abatement is to driver's influence, and discharge the heat that the motor operation produced through heat conduction piece cooperation conducting strip and fan, prevent to lead to the noise propagation efficiency to rise because of the rising of temperature in the first casing, set up the filter screen and prevent that dust debris from getting into first casing, prevent that it from causing the influence to the normal use of engine.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the filter net of the present invention;
fig. 3 is a schematic structural diagram of the middle fixing block of the present invention.
In the figure: 1. sound-absorbing cotton; 2. a cavity; 3. a first housing; 4. a switch; 5. a second housing; 6. a fixed block; 7. filtering with a screen; 8. a fan; 9. a heat conductive sheet; 10. a heat conducting block; 11. a slider; 12. a limiting block; 13. a chute; 14. a first threaded hole; 15. a bolt; 16. a second threaded hole; 17. a fixing plate; 18. A connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: the noise reduction device for the automobile engine comprises a first shell 3, wherein a second shell 5 is welded on one side of the outer surface of the first shell 3, two fixed blocks 6 are welded on one side inside the second shell 5, sliding grooves 13 are formed in adjacent sides of the two fixed blocks 6, limiting blocks 12 are welded on one side inside the sliding grooves 13, sliding blocks 11 are connected inside the sliding grooves 13 in a sliding mode, a filter screen 7 is arranged between the two sliding blocks 11, one sides, close to the filter screen 7, of the sliding blocks 11 are welded with the filter screen 7, connecting rods 18 are welded on one sides, far away from the limiting blocks 12, of the sliding blocks 11, fixing plates 17 are welded on one ends, far away from the sliding blocks 11, of the connecting rods 18, first threaded holes 14 are formed in one sides, close to the fixing plates 17, of the fixing plates 17, second threaded holes 16 are formed in one sides, close to the first threaded holes 14, one side of the first shell 3 is welded with a heat conducting block 10, one side of the heat conducting block 10 close to the second shell 5 is evenly welded with a heat conducting sheet 9, one side of the inside of the second shell 5 close to the heat conducting sheet 9 is provided with a fan 8, the filter screen 7 is arranged to prevent dust from entering the inside of the first shell 3 and influencing the normal use of an engine inside the first shell 3, the slide block 11 is arranged to be matched with the chute 13 so that a user can conveniently detach the filter screen 7 for cleaning or replacing after using the device for a long time, the heat conducting block 10 is arranged to be matched with the heat conducting sheet 9 to lead out heat generated by the operation of the engine inside the first shell 3, the temperature rise inside the first shell 3 caused by the heat generated by the engine is prevented, the molecular motion in the air is more violent, the increase of the noise propagation caused by the temperature rise is reduced, the model of the fan 8 is JY20672HBL2, the fan 8 is arranged to radiate the, and blow to the outside of second casing 5, strengthen this device cooling effect, reduce the influence that the temperature propagated to the noise.
In this embodiment, specifically: switch 4 is installed to top one side of second casing 5, and the electrical property output of switch 4 and the electrical property input electric connection of fan 8 set up switch 4 control fan 8 start and close.
In this embodiment, specifically: cavity 2 has been seted up to the inside of first casing 3, sets up cavity 2 and strengthens the noise reduction effect of this device, and the noise that the engine operation produced is kept apart it by cavity 2, restricts its propagation range.
In this embodiment, specifically: the cotton 1 of inhaling sound is bonded to the inside one side that is close to cavity 2 of first casing 3, sets up the noise reduction effect who inhales the cotton 1 reinforcing of sound this device, and the noise is by inhaling the cotton 1 absorption of sound, and noise abatement is to driver's influence.
In summary, the working principle and working process of the noise reducer for the automobile engine are that, when the noise reducer is used, the engine is installed inside the first shell 3, the switch 4 is pressed to start the fan 8, when the engine runs, the noise generated by the engine is transmitted to the sound absorption cotton 1 from the inner wall of the first shell 3, the sound absorption cotton 1 absorbs part of the noise, the noise is isolated by the cavity 2 to limit the transmission range of the noise, the engine runs to generate a large amount of heat, as the higher the air temperature is, the more violent the movement of molecules in the air is, the easier the sound energy is transmitted, the heat conduction block 10 is arranged to guide the heat to the heat conduction sheet 9, the fan 8 drives the air to flow, the heat adhered on the heat conduction sheet 9 is driven to be discharged out of the second shell 5 together, the influence of the temperature on the noise transmission is reduced, in order to prevent dust from entering the second shell 5 and the first shell 3 to influence the normal use of, set up filter screen 7 and carry out the interception to it, this device is after long-time the use, need dismantle filter screen 7 and clear up or change, rotates bolt 15, makes its one end break away from first screw hole 14, and pulling fixed plate 17 drives slider 11 through connecting rod 18 and slides in spout 13, makes slider 11 break away from spout 13, can drive filter screen 7 and take out it, changes or clears up it.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Automobile engine noise reduction device, including first casing (3), its characterized in that: the welding of surface one side of first casing (3) has second casing (5), the welding of inside one side of second casing (5) has two fixed blocks (6), and spout (13) have all been seted up to two one side that fixed block (6) are adjacent, the welding of inside one side of spout (13) has stopper (12), the inside sliding connection of spout (13) has slider (11), two be equipped with filter screen (7) between slider (11), slider (11) are close to one side of filter screen (7) and filter screen (7) welding, the welding of slider (11) one side of keeping away from stopper (12) has connecting rod (18), the welding of connecting rod (18) one end of keeping away from slider (11) has fixed plate (17), first screw hole (14) have been seted up to fixed block (6) one side that is close to fixed plate (17), second screw hole (16) have been seted up to fixed plate (17) one side that is close to first screw hole (14), fixed plate (17) have bolt (15) through second screw hole (16) threaded connection, the one end that bolt (15) are close to fixed block (6) is through first screw hole (14) and fixed block (6) threaded connection, one side welding of first casing (3) has heat conduction piece (10), one side uniform welding that heat conduction piece (10) are close to second casing (5) has conducting strip (9), fan (8) are installed to one side that second casing (5) inside is close to conducting strip (9).
2. The automotive engine noise reduction device according to claim 1, characterized in that: and a switch (4) is installed on one side of the top of the second shell (5), and the electrical output end of the switch (4) is electrically connected with the electrical input end of the fan (8).
3. The automotive engine noise reduction device according to claim 1, characterized in that: a cavity (2) is formed in the first shell (3).
4. The automotive engine noise reduction device according to claim 3, characterized in that: and sound absorption cotton (1) is bonded on one side of the interior of the first shell (3) close to the cavity (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985913.4U CN212838011U (en) | 2020-06-03 | 2020-06-03 | Noise reduction device for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985913.4U CN212838011U (en) | 2020-06-03 | 2020-06-03 | Noise reduction device for automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212838011U true CN212838011U (en) | 2021-03-30 |
Family
ID=75170342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020985913.4U Expired - Fee Related CN212838011U (en) | 2020-06-03 | 2020-06-03 | Noise reduction device for automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212838011U (en) |
-
2020
- 2020-06-03 CN CN202020985913.4U patent/CN212838011U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210330 |