Rearview mirror with noise reduction mechanism

Abstract

The utility model relates to the technical field of automobile accessories, in particular to a rearview mirror with a noise reduction mechanism, which comprises a rearview mirror shell, a lens, a first noise reduction part and a second noise reduction part, the rearview mirror shell is of a hollow structure, the lens is mounted on the rearview mirror shell, the first noise reduction part is sleeved on the outer peripheral surface of the rearview mirror shell, and the second noise reduction part is sleeved on the outer peripheral surface of the rearview mirror shell. A plurality of protrusions are arranged on the peripheral face of the first noise reduction part and annularly distributed at equal intervals, a groove is formed between every two adjacent protrusions, the second noise reduction part is located in the rearview mirror shell and comprises a connecting piece and a balancing weight, the connecting piece is connected with the lens, and the balancing weight is embedded into the connecting piece. According to the rearview mirror, the first noise reduction part is arranged on the peripheral face of the rearview mirror shell, and the protrusions of the first noise reduction part are matched with the grooves, so that the air pressure change of the leeside of the rearview mirror shell can be changed, regular air pressure change is changed into irregular air pressure change, and turbulent air pressure noise generated by the whole rearview mirror can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, especially a rearview mirror with a noise reduction mechanism. BACKGROUND

[0002] The automobile rearview mirror is located at the two sides of the head of the automobile and the front of the interior of the automobile, reflects the situation behind, the side and the lower of the automobile, makes the driver be able to indirectly see clearly the situation of these positions, it plays the role of " second mirror", expands the visual field range of the driver. At present, the wind resistance coefficient of the rearview mirror structure is relatively large, when the automobile is started, it is easy to produce relatively large noise, influences use. SUMMARY

[0003] In view of the above-mentioned shortcomings in the prior art, the present application provides a rearview mirror with a noise reduction mechanism, which can reduce the noise generated by the rearview mirror through improvement of the structure of the rearview mirror.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] A rearview mirror with a noise reduction mechanism comprises a rearview mirror shell, a lens, a first noise reduction part and a second noise reduction part, the rearview mirror shell is a hollow structure, the lens is installed on the rearview mirror shell, the first noise reduction part is sleeved on the outer peripheral surface of the rearview mirror shell, the outer peripheral surface of the first noise reduction part is provided with a plurality of protrusions, the plurality of protrusions are distributed in a ring shape at equal intervals, a groove is formed between adjacent two protrusions, the second noise reduction part is located in the rearview mirror shell, and the second noise reduction part comprises a connecting piece and a counterweight.

[0006] Therefore, by arranging the first noise reduction part on the outer peripheral surface of the rearview mirror shell and arranging the second noise reduction part in the rearview mirror shell, compared with the prior art without noise reduction, the structure is simple and easy to operate, the protrusions of the first noise reduction part cooperate with the grooves to change the air pressure change of the leeward surface of the rearview mirror shell, so that the regular air pressure change becomes irregular, the turbulent air pressure noise generated by the entire rearview mirror is reduced, the counterweight resonates with the vibration of the entire rearview mirror to reduce the noise generated by the vibration, the double noise reduction of the first noise reduction part and the second noise reduction part improves the noise reduction effect of the entire rearview mirror, and in addition, the annular first noise reduction part makes the air pressure change of each position on the leeward surface of the rearview mirror shell be irregular, so that the noise reduction effect of the entire rearview mirror is further improved.

[0007] As a further improvement of the above technical solution: the second noise reduction part is provided with two, and the two second noise reduction parts are oppositely arranged. Therefore, the two second noise reduction parts can balance the lens while improving the resonance effect, thereby further improving the noise reduction effect of the entire rearview mirror.

[0008] As a further improvement of the above technical solution: further comprising: a flow guide strip, the flow guide strip is installed on the outer circumferential surface of the rearview mirror shell, and the flow guide strip is located on the side of the rearview mirror shell away from the first noise reduction part. Therefore, through the flow guide strip, the airflow direction and the flow regulation effect can be guided, the airflow on the leeward surface of the rearview mirror shell is guided away from the automobile direction, so as to reduce the effect of the airflow on the surface of the automobile, thereby reducing the noise of the entire rearview mirror.

[0009] As a further improvement of the above technical solution: the flow guide strip is provided with a plurality of flow guide strips, and the plurality of flow guide strips are distributed in an equidistant annular manner.

[0010] As a further improvement of the above technical solution: the flow guide strip and the protrusion are staggered. Therefore, through the staggered arrangement of the flow guide strip and the protrusion, the air pressure change on the leeward surface of the rearview mirror shell can be further changed, so as to further reduce the turbulent air pressure noise generated by the entire rearview mirror.

[0011] As a further improvement of the above technical solution: the rearview mirror shell is provided with an embedded groove, and the embedded groove is used for installing the lens.

[0012] As a further improvement of the above technical solution: a plurality of spray holes are formed in the side wall of the embedded groove, and the plurality of spray holes are distributed in an equidistant annular manner. Therefore, through the spray hole, when the lens is fogged, the lens can be sprayed with a heat source gas to remove the fog on the lens, thereby ensuring that the lens remains clear.

[0013] As a further improvement of the above technical solution: the inclination angles of the spray holes in the upper, lower, left and right four regions are α1, α2, α3 and α4 respectively; α1>α2, α3>α4. Therefore, through the design of α1>α2, α3>α4, the heat source gas sprayed by the spray hole can cover the entire lens, so as to improve the demisting effect of the heat source gas.

[0014] As a further improvement of the above technical solution: the spray hole is connected with the automobile steam tank through a communication pipe.

[0015] As a further improvement of the above technical solution: further comprising: a rearview mirror support, and the rearview mirror shell is connected with the automobile through the rearview mirror support.

[0016] The beneficial effects of the present application are as follows:

[0017] By setting the first noise reduction part on the peripheral surface of the rearview mirror shell and the second noise reduction part in the rearview mirror shell, compared with the prior art without the noise reduction part, the structure is simple, the operation is convenient, the first noise reduction part is matched with the groove in a protruding mode, the air pressure change of the leeward surface of the rearview mirror shell can be changed, the regular air pressure change is changed into irregular air pressure change, the turbulent air pressure noise generated by the whole rearview mirror can be reduced, meanwhile, the counterweight resonates with the vibration of the whole rearview mirror to reduce the noise generated by the vibration, the double noise reduction of the first noise reduction part and the second noise reduction part can improve the noise reduction effect of the whole rearview mirror, in addition, the annular first noise reduction part can make the air pressure change of each position on the leeward surface of the rearview mirror shell be irregular change, so that the noise reduction effect of the whole rearview mirror can be further improved.

[0018] The utility model also includes the following advantages:

[0019] 1, the utility model discloses a flow guide strip can guide the air flow direction and the rectification effect, the air flow of rearview mirror shell leeward surface is guided to the direction away from the car to reduce the effect of air flow to the car surface, further reduces the noise of whole rearview mirror, through the staggered arrangement of flow guide strip and protruding, can further change the air pressure change of the leeward surface of the rearview mirror shell, to further reduce the turbulent air pressure noise generated by the whole rearview mirror.

[0020] 2, the utility model discloses a spray hole can when the mirror piece fogs, to the mirror piece spray into heat source gas, to remove the fog of mirror piece, further ensure that the mirror piece keeps clear, through the design of α1>α2, α3>α4, can be the heat source gas that spray hole sprays covers whole mirror piece, to improve the demisting effect of heat source gas. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is the front view of the rearview mirror with the noise reduction mechanism of the utility model;

[0022] Fig. 2 It is the top view of the rearview mirror with the noise reduction mechanism of the utility model;

[0023] Fig. 3 It is the structure schematic view of the mirror piece and the second noise reduction part installation of the utility model.

[0024] 1, rearview mirror shell;

[0025] 101, inlay groove;102, spray hole;103, communication pipe;

[0026] 2, mirror piece;

[0027] 3, first noise reduction part;

[0028] 301, protruding;302, groove;

[0029] 4. Second noise reduction section;

[0030] 401. Connector; 402. Counterweight;

[0031] 5. Guide strip;

[0032] 6. Rearview mirror bracket. Detailed Implementation

[0033] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0034] like Figs. 1 to 3 The diagram shows the preferred embodiment of this utility model. The rearview mirror with noise reduction mechanism in this embodiment includes: a rearview mirror housing 1, a lens 2, a first noise reduction part 3, and a second noise reduction part 4. The rearview mirror housing 1 has a hollow structure. The lens 2 is installed on the rearview mirror housing 1. The first noise reduction part 3 is sleeved on the outer peripheral surface of the rearview mirror housing 1. The outer peripheral surface of the first noise reduction part 3 is provided with a plurality of protrusions 301. The plurality of protrusions 301 are distributed in a ring at equal intervals. A groove 302 is formed between two adjacent protrusions 301. The second noise reduction part 4 is located inside the rearview mirror housing 1. The second noise reduction part 4 includes: a connector 401 and a counterweight 402. The connector 401 is connected to the lens 2, and the counterweight 402 is embedded in the connector 401. Therefore, by providing a first noise reduction part 3 on the outer circumference of the rearview mirror housing 1 and a second noise reduction part 4 inside the rearview mirror housing 1, compared to existing methods without noise reduction, this method has a simpler structure and is easier to operate. The way the protrusion 301 of the first noise reduction part 3 cooperates with the groove 302 can change the air pressure change on the leeward side of the rearview mirror housing 1, so that the regular air pressure change becomes an irregular air pressure change, which can reduce the turbulent air pressure noise generated by the entire rearview mirror. At the same time, the counterweight 402 will resonate with the vibration of the entire rearview mirror to reduce the noise generated by the vibration. Through the dual noise reduction of the first noise reduction part 3 and the second noise reduction part 4, the noise reduction effect of the entire rearview mirror can be improved. In addition, the annular first noise reduction part 3 can make the air pressure change at each position around the leeward side of the rearview mirror housing 1 irregular, thus further improving the noise reduction effect of the entire rearview mirror.

[0035] In this embodiment, two second noise reduction units 4 are provided, and the two second noise reduction units 4 are arranged opposite to each other. Therefore, the two second noise reduction units 4 can improve the resonance effect while balancing the lens 2, thereby further improving the noise reduction effect of the entire rearview mirror.

[0036] In the embodiment, the rearview mirror shell 1 is provided with an embedded groove 101 for mounting the lens 2, the sidewall of the embedded groove 101 is provided with a plurality of spray holes 102 which are distributed in a ring shape at equal intervals, the spray holes 102 in the four regions of up, down, left and right have inclination angles of α1, α2, α3 and α4 respectively, α1>α2 and α3>α4, and the spray holes 102 are connected to a vehicle vapor tank (not shown in the figure) through a communication pipe 103.

[0037] In the embodiment, the rearview mirror shell 1 is provided with an embedded groove 101 for mounting the lens 2, the sidewall of the embedded groove 101 is provided with a plurality of spray holes 102 which are distributed in a ring shape at equal intervals, the spray holes 102 in the four regions of up, down, left and right have inclination angles of α1, α2, α3 and α4 respectively, α1>α2 and α3>α4, and the spray holes 102 are connected to a vehicle vapor tank (not shown in the figure) through a communication pipe 103.

[0038] In the embodiment, the rearview mirror shell 1 is connected to a vehicle (not shown in the figure) through the rearview mirror support 6.

[0039] The noise reduction process of the rearview mirror is as follows: first, the whole rearview mirror is mounted on the vehicle through the rearview mirror support 6;

[0040] In the process of driving the vehicle, the air flow on the leeward surface of the rearview mirror shell 1 is guided through the flow guide strip 5, the air pressure change on the leeward surface of the rearview mirror shell 1 is changed through the cooperation of the protrusions 301 and the grooves 302 of the first noise reduction part 3, so as to improve the noise reduction effect of the whole rearview mirror.

[0041] In the process of driving the vehicle, when vibration occurs, the counterweight 402 resonates with the vibration of the whole rearview mirror, so as to reduce the noise generated by the vibration.

[0042] In summary, the utility model discloses a first noise reduction part 3 is provided on the rear -view mirror shell 1 outer peripheral surface, through setting up the second noise reduction part 4 in the rear -view mirror shell 1, compared with the prior art without setting noise reduction mode, this mode simple structure, convenient operation, the first noise reduction part 3 protruding 301 and recess 302 cooperation mode, can change the rear -view mirror shell 1 leeward face barometric pressure change, to make the regular barometric pressure change become irregular barometric pressure change, can reduce the turbulent air pressure noise of whole rear -view mirror, simultaneously, the counterweight 402 will resonate with the vibration of whole rear -view mirror to reduce the noise of vibration, through the double noise reduction of first noise reduction part 3 and second noise reduction part 4, can improve the noise reduction effect of whole rear -view mirror, in addition, annular first noise reduction part 3 can make the barometric pressure change of each position of the leeward face of rear -view mirror shell 1 be irregular change, like this, can further improve the noise reduction effect of whole rear -view mirror.

[0043] The above description is the explanation of the utility model, is not the limitation of the utility model, the range defined in the utility model refers to the claim, within the protection scope of the utility model, can make any form of modification.

Claims

1. A rearview mirror with a noise reduction mechanism, characterized by, Include: The rearview mirror shell (1) is a hollow structure; The lens (2) is installed on the rearview mirror shell (1); The first noise reduction part (3) is sleeved on the outer peripheral surface of the rearview mirror shell (1), the outer peripheral surface of the first noise reduction part (3) is provided with a plurality of protrusions (301), a plurality of protrusions (301) are distributed in a ring shape at equal intervals, and a groove (302) is formed between adjacent two protrusions (301); The second noise reduction part (4) is located in the rearview mirror shell (1), and the second noise reduction part (4) comprises: The connecting piece (401) is connected with the lens (2), and the counterweight (402) is embedded into the connecting piece (401).

2. The mirror with noise reduction mechanism according to claim 1, wherein: The second noise reduction part (4) is provided with two, and the two second noise reduction parts (4) are oppositely arranged.

3. The mirror with noise reduction mechanism according to claim 1, wherein: Also include: The flow guide strip (5) is installed on the outer peripheral surface of the rearview mirror shell (1), and the flow guide strip (5) is located on the side of the rearview mirror shell (1) away from the first noise reduction part (3).

4. The mirror with noise reduction mechanism according to claim 3, wherein: The flow guide strip (5) is provided with a plurality of, and a plurality of flow guide strips (5) are distributed in a ring shape at equal intervals.

5. The mirror with noise reduction mechanism according to claim 3, wherein: The flow guide strip (5) and the protrusion (301) are staggered.

6. The mirror with noise reduction mechanism according to claim 1, wherein: The rearview mirror shell (1) is provided with an embedded groove (101), and the embedded groove (101) is used for installing the lens (2).

7. The mirror with noise reduction mechanism according to claim 6, wherein: The side wall of the embedded groove (101) is provided with a plurality of spray holes (102), and a plurality of spray holes (102) are distributed in a ring shape at equal intervals.

8. The mirror with noise reduction mechanism according to claim 7, wherein: The inclination angles of the spray holes (102) in the four areas of up, down, left and right are α1, α2, α3 and α4 respectively. α1＞α2，α3＞α4。 9. The mirror with noise reduction mechanism according to claim 7, wherein: The spray hole (102) is connected with the automobile steam box through the communication pipe (103).

10. The mirror with a noise reducing mechanism according to claim 1, wherein: Also include: The rearview mirror support (6) is connected with the automobile through the rearview mirror support (6).

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