CN218568418U - Automobile prompt tone product structure - Google Patents

Abstract

The utility model relates to the technical field of sounding devices in automobile parts, and discloses an automobile warning sound product structure, which comprises a shell, a first waterproof part, a second waterproof part and a horn assembly; the first waterproof part is provided with a first protruding part, a first groove and a first through hole, the first groove is communicated with the water outlet, and the first through hole is communicated with the cavity; the second waterproof piece is provided with a second protruding piece, a second groove and a second through hole; the second through hole is positioned right below the first groove, a gap exists between the upper surface of the second protruding piece and the lower surface of the first protruding piece, and the second through hole is communicated with the first through hole through the gap; the sound production end of the horn component faces the first waterproof piece; the utility model discloses can prevent through the double-deck waterproof piece that staggers each other that the rainwater from reacing loudspeaker subassembly department and can accomplish the oneself of waterproof piece through the recess on every layer of waterproof piece and sluicing on the basis of the normal work sound production of guaranteeing loudspeaker, have fine waterproof performance.

Description

Automobile prompt tone product structure

Technical Field

The utility model relates to a sound production device technical field, especially car warning tone product structure among the automobile parts.

Background

When the new energy electric automobile runs at a low speed in the pure electric mode, the average noise outside the automobile is obviously lower than that of the traditional fuel oil vehicle, so that pedestrians cannot easily perceive the approach of the automobile, and traffic accidents are easily caused; aiming at the problem of low-speed running safety of the new energy electric automobile, an automobile prompt tone product capable of giving out a warning when the new energy electric automobile runs at a low speed can be configured on an automobile front bumper or an anti-collision steel beam behind a front grille.

Chinese patent [ publication No.: CN209534883U discloses a low-speed pedestrian warning sound module self-waterproof structure of a new energy automobile, which comprises a shell and a shutter, wherein the shutter is arranged on the outer side of the shell, and a honeycomb-shaped through hole plate is arranged on the inner side of the shell; although the patent can prevent a large amount of rainwater from entering the honeycomb through hole plate through the louver and can prevent raindrops from continuously splashing into the low-speed pedestrian warning sound device through the honeycomb through hole plate as a second defense line; however, since the honeycomb-shaped through hole plate is provided with the plurality of through holes opposite to the inlets of the louvers, when the rain is strong, external rain can reach the through holes along the inlets of the louvers and reach the horns through the through holes, thereby reducing the waterproof performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides an automobile warning sound product structure, it can be on the basis of the normal work sound production of guaranteeing loudspeaker, prevent through the double-deck waterproof part that staggers each other that the rainwater from reacing loudspeaker subassembly department to can accomplish the self-draining of waterproof through the recess on every layer of waterproof, have fine waterproof performance.

In order to achieve the above object, the utility model relates to an automobile warning sound product structure, include: a housing having a cavity; the first waterproof piece is fixed on the shell, a water outlet is formed in the side wall of the first waterproof piece, a plurality of rows of first protruding pieces distributed at intervals are arranged on one surface of the first waterproof piece, which is far away from the shell, a first groove is formed between every two adjacent rows of the first protruding pieces, the first grooves are communicated with the water outlet, a plurality of first through holes distributed at intervals are formed in the top surface of each row of the first protruding pieces, and each first through hole is communicated with the cavity; the second waterproof part is fixed on one surface of the first waterproof part, which is far away from the shell, a plurality of rows of second protruding parts which are distributed at intervals are arranged on one surface of the first waterproof part, a second groove is formed between every two adjacent rows of second protruding parts, and the top surface of each row of second protruding parts is provided with a plurality of second through holes which are distributed at intervals; the second protruding piece and the first protruding piece are arranged in a staggered mode, so that the first groove corresponds to the second through hole, the second through hole is located right above the first groove, the first through hole corresponds to the first groove, and the second groove is located right above the first through hole; a gap is formed between the upper surface of the second protruding part and the lower surface of the first protruding part, and the second through hole is communicated with the first through hole through the gap; the loudspeaker assembly is fixed to the cavity, and the sound production end of the loudspeaker assembly faces the first waterproof piece.

Preferably, the first protrusion comprises a plurality of first protrusions distributed at intervals, the top surface of each first protrusion is provided with one first through hole, two adjacent first protrusions in the same row of the first protrusion are provided with third grooves, the third grooves are communicated with the first grooves, and the third grooves and the first grooves are interwoven into a first mesh structure, so that the material consumption of the first waterproof member can be reduced through the mesh structure.

Furthermore, the first protrusion is provided with a first outer side wall, the first outer side wall extends from top to bottom and is inclined and opposite to the first through hole, namely the first protrusion is arranged in a small-top-down manner,

furthermore, the first through hole is arranged in a small top and a big bottom; through big-end-up first arch can make the second recess is big-end-up structure, thereby makes and passes through the rivers of second through-hole all fall into in the first recess, avoid rivers to sputter to first bellied top surface, avoid rivers to pass through first through-hole gets into the cavity, and through big-end-up first through-hole can also reduce first through-hole with the sectional area of clearance intercommunication department reduces rivers and spatters the possibility of first through-hole department, improved by first waterproof with the waterproof nature of the mutual staggered structure of bilayer that the second waterproof formed.

Furthermore, the first protrusion is in a shape of a quadrangular frustum pyramid, and the first through hole is in a shape of a quadrangular frustum pyramid.

Preferably, the second protrusion piece comprises a plurality of second protrusions distributed at intervals, the top surface of each second protrusion is provided with one second through hole, and every two adjacent second protrusions in the same column of second protrusion pieces are provided with fourth grooves communicated with the second grooves; the fourth grooves and the second grooves are interwoven into a second net-shaped structure, and water flow sprayed to the outer surface of the second waterproof piece can leave the outer surface of the second waterproof piece along the second net-shaped structure.

Furthermore, the second protrusion is provided with a second outer side wall, the second outer side wall extends obliquely from top to bottom and back to the second through hole, namely, the second protrusion is arranged in a small-top manner.

Furthermore, the second through hole is arranged in a small top and a big bottom; through big end down the second arch can make second recess and fourth recess all are big end up structure to make spray to the rivers on the surface of second waterproof can fall into in second recess and the fourth recess as much as possible, thereby can reduce the rivers that fall into on the bellied top surface of second, and then reduced and can pass through the second through-hole falls into the water yield in the first recess, simultaneously, through big end down the second through-hole can also reduce with the cross-sectional area of external intercommunication department, can further reduce through the second through-hole falls into the water yield in the first recess.

Furthermore, the second protrusion is in a shape of a truncated pyramid, and the second through hole is in a shape of a truncated pyramid.

Preferably, the minimum width of the second through hole is less than or equal to the maximum width of the first groove; the width relation of the second through hole and the first groove is limited, water flow passing through the second through hole can be enabled to fall into the first groove and be discharged along the first groove through the water outlet, so that the water flow passing through the second through hole can be prevented from falling onto the top surface of the first waterproof piece, the water flow can be prevented from passing through the second through hole and the first through hole, the cavity can be prevented from entering the cavity, and the waterproof performance of a double-layer mutual staggered structure formed by the first waterproof piece and the second waterproof piece is improved.

Preferably, the minimum width of the first through hole is D, the maximum width of the first through hole is E, and the maximum width of the first groove is F;

the minimum width of the second through hole is J, the maximum width of the second through hole is K, and the maximum width of the second groove is L;

j is less than or equal to F;

d is 2-6mm, E is 6-14mm, and F is 2-8mm;

j is 2-6mm, K is 6-14mm, and L is 3-8mm;

the height of the gap is 1-3mm.

It is right the size in second recess, second through-hole, first recess, second through-hole and clearance is injectd because under this size, this car warning sound product structure can not only guarantee loudspeaker assembly's normal sound production can also promote loudspeaker's low frequency acoustic pressure for whole frequency response curve is "level and smooth" increases the bandwidth more.

Preferably, the housing comprises a front cover and a rear cover; the rear cover is detachably connected to one end, far away from the first waterproof piece, of the front cover; the first waterproof piece is fixed on the front cover, and a sealing ring is arranged between the front cover and the rear cover in a cushioning mode.

Preferably, the first waterproof member is integrally formed on one surface of the front cover.

Preferably, the first flashing and the second flashing are detachably connected; the side of waterproof piece has the card foot, first waterproof piece have with the card foot corresponds complex draw-in groove. The front cover and the rear cover are detachably connected, so that the loudspeaker assembly is convenient to mount in the cavity; the sealing performance of the shell formed by assembling the front cover and the rear cover can be improved through the sealing ring.

Optionally, the front cover and the rear cover are screwed.

Preferably, the horn assembly comprises a horn, a circuit board and a guide pin; the loudspeaker is fixed in the cavity, and the sound production end of the loudspeaker faces the first waterproof piece; the circuit board is fixed in the cavity and positioned on one side of the loudspeaker, which is far away from the first waterproof part, and the circuit board is electrically connected with the loudspeaker; the guide pin is fixed on the circuit board, and one end of the guide pin extends to the outside of the shell.

Further, the guide PIN is a PIN, and the PIN is a metal substance used for completing the conduction (transmission) of electricity (signals) in the connector.

Preferably, the loudspeaker with the casing can be dismantled and be connected, can select for use buckle connection, screw connection etc. can dismantle the connected mode.

Compared with the prior art, the utility model provides a, its beneficial effect lies in: the first through hole, the gap and the second through hole form a sound production channel together, so that the sound of the loudspeaker component can be ensured to be transmitted normally; through the first protruding piece and the second protruding piece which are mutually staggered, and the first through hole and the second through hole are respectively arranged on the first protruding piece and the second protruding piece, the first waterproof piece and the second waterproof piece can form a double-layer waterproof structure which is mutually staggered, and water flow is prevented from entering the cavity along the path of the second through hole, the gap and the first through hole; when water flow is sprayed to the surface of the second waterproof piece, the water flow can flow away along the second groove, and the self-draining of the second waterproof piece is completed; when water flow enters the first waterproof piece through the second through hole, the water flow can be discharged from the water outlet along the first groove, and the self-draining of the first waterproof piece is completed; therefore, the utility model discloses can be on the basis of the normal work sound production of guaranteeing loudspeaker, prevent through the double-deck waterproof piece that staggers each other that the rainwater from reacing loudspeaker subassembly department and can accomplish the oneself of waterproof piece through the recess on every layer of waterproof piece sluices, have fine waterproof performance.

Drawings

Fig. 1 is a top view of a structure of an automobile warning sound product provided by an embodiment of the present invention;

FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a block diagram of the first flashing of FIG. 3;

FIG. 5 is a block diagram of the second flashing of FIG. 3;

fig. 6 is a top view of a second flashing provided by an embodiment of the present invention;

fig. 7 is a schematic view of an assembly relationship of the front cover, the first waterproof member and the second waterproof member according to the embodiment of the present invention;

fig. 8 is a schematic diagram of sound coming out along the path of the first through hole, the gap and the second through hole according to an embodiment of the present invention;

fig. 9 is a schematic diagram illustrating the comparison between the structure of the automobile warning sound product and the relationship between the frequency and the sound pressure of the bare speaker according to the embodiment of the present invention.

In the figure, 1, a housing; 11. a front cover; 12. a rear cover; 13. a seal ring; 101. a cavity;

2. a first waterproof member; 21. a first projecting member; 22. a first groove; 23. a first through hole; 24. a card slot; 25. a water outlet;

3. a second waterproof member; 31. a second boss member; 32. a second groove; 33. a second through hole; 34. clamping a pin; 311. a second protrusion; 312. a fourth groove;

4. a horn assembly; 41. a horn; 42. a circuit board; 43. guiding a needle; 421. fixing the column;

10. a gap;

1000. an automotive warning sound product structure;

2000. a bare horn.

D. A minimum width of the first via; E. a maximum width of the first via; F. a maximum width of the first groove;

J. a minimum width of the second via; K. a maximum width of the second via; l, the maximum width of the second groove.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-2, the embodiment of the present invention provides an automobile warning sound product structure, which includes a housing 1, a first waterproof member 2, a second waterproof member 3 and a speaker assembly 4, wherein the housing 1 has a cavity 101.

Further, as shown in fig. 3, the housing 1 provided in the present embodiment includes a front cover 11 and a rear cover 12, where the front cover 11 and the rear cover 12 are detachably connected; the first waterproof part 2 is fixed on the front cover 11, and a sealing ring 13 is padded between the front cover 11 and the rear cover 12. The front cover 11 and the rear cover 12 are detachably connected, so that the loudspeaker assembly 4 is convenient to mount in the cavity 101; the sealing ring 13 can improve the sealing performance of the housing 1 assembled by the front cover 11 and the rear cover 12.

Preferably, the front cover 11 and the rear cover 12 are screwed.

Preferably, the first waterproof member 2 is integrally formed on one surface of the front cover 11.

Further, as shown in fig. 2-4, in this embodiment, the first waterproof member 2 is fixed to the housing 1, a water outlet 25 is formed in a side wall of the first waterproof member, a plurality of rows of first protruding members 21 are arranged on a surface of the first waterproof member facing away from the housing 1, a first groove 22 is formed between the two adjacent rows of first protruding members 21, the first groove 22 is communicated with the water outlet 25, each row of first protruding members 21 has a plurality of first through holes 23 arranged at intervals on a top surface thereof, and each first through hole 23 is communicated with the cavity 101.

Preferably, the first protruding part 21 includes a plurality of first protrusions distributed at intervals, a top surface of each first protrusion has one first through hole 23, and two adjacent first protrusions in the same column of the first protruding part 21 are formed with third grooves, and the third grooves are communicated with the first grooves 22.

The third grooves are interwoven with the first grooves 22 to form a first mesh structure, by means of which the material consumption of the first flashing 2 can be reduced. The first protrusion, the first groove 22 and the third groove of the first flashing 2 are structured and shaped as described above with reference to the second protrusion 311, the second groove 32 and the fourth groove 312 of the second flashing 3 of fig. 6.

Preferably, the first protrusion is provided with a first outer side wall, the first outer side wall extends obliquely from top to bottom and back to the first through hole, namely, the first protrusion is arranged in a small-top-large manner.

Preferably, the first through hole 23 is arranged in a small-top manner. Through big-end-up first arch 211, can make second recess 32 is big-end-up structure to make through the rivers of second through-hole 33 all fall into in first recess 22, avoid rivers to sputter to the top surface of first arch 211, avoid rivers to pass through first through-hole 23 gets into cavity 101, and through big-end-up first through-hole 23 can also reduce first through-hole 23 with the sectional area of clearance 10 intercommunication department reduces rivers and sputters the possibility of first through-hole 23 department, has improved by the waterproof nature of the mutual staggered structure of bilayer that first flashing 2 and second flashing 3 formed.

Specifically, the first protrusion is in a shape of a truncated pyramid, and the first through hole 23 is in a shape of a truncated pyramid.

Further, as shown in fig. 2, fig. 3, fig. 5 and fig. 6, the second waterproof member 3 of this embodiment is fixed on a surface of the first waterproof member 2 away from the housing 1, a plurality of rows of second protruding members 31 distributed at intervals are arranged on a surface of the second waterproof member away from the first waterproof member 2, a second groove 32 is formed between two adjacent rows of the second protruding members 31, and a plurality of second through holes 33 distributed at intervals are formed on a top surface of each row of the second protruding members 31; the second protruding member 31 and the first protruding member 21 are arranged in a staggered manner, so that the second through hole 33 corresponds to the first groove 22 and the second through hole 33 is located right above the first groove 22, the second groove 32 corresponds to the first through hole 23 and the second groove 32 is located right above the first through hole 23; a gap 10 exists between the upper surface of the second projecting member 31 and the lower surface of the first projecting member 21, and the second through hole 33 communicates with the first through hole 23 through the gap 10.

Preferably, said first and second flashing 2, 3 are removably connected; the side of the waterproof piece 3 is provided with a clamping foot 34, the first waterproof piece 2 is provided with a clamping groove 24 correspondingly matched with the clamping foot 34, and the second waterproof piece 3 is detachably connected to the first waterproof piece 2 through the clamping foot 34.

Preferably, the second protrusion 31 includes a plurality of second protrusions 311 distributed at intervals, a top surface of each second protrusion 311 has one second through hole 33, two adjacent second protrusions 311 in the same column of the second protrusion 31 are formed with fourth grooves 312, and the fourth grooves 312 are communicated with the second grooves 32; the fourth grooves 312 and the second grooves 32 are interwoven to form a second net structure, and the water sprayed to the outer surface of the second waterproof member 3 can leave the outer surface of the second waterproof member 3 along the second net structure.

Preferably, the second protrusion 311 has a first outer sidewall, and the first outer sidewall extends from top to bottom and slantingly back to the second through hole 33, that is, the second protrusion is arranged in a small-top-down manner.

Preferably, the second through hole 33 is arranged in a small-top manner.

It should be noted that, the description of the present application, which is small in top and big in bottom, is based on the positional relationship of the drawings of the present application, and not the positional relationship when the structure of the automobile warning sound product is actually installed, and when the structure of the automobile warning sound product is actually installed on the vehicle body, the second waterproof member 3 is located on the side of the housing 1, but not on the top of the housing 1.

Specifically, the second protrusion 311 has a truncated quadrangular pyramid shape, and the second through hole 33 has a truncated quadrangular pyramid shape. Through the second protrusion 311 with a small upper part and a large lower part, the second groove 32 and the fourth groove 312 can be both in a large upper part and a small lower part, so that water flow sprayed to the surface of the second waterproof member 3 can fall into the second groove 32 and the fourth groove 312 as much as possible, water flow falling onto the top surface of the second protrusion 311 can be reduced, the amount of water which can fall into the first groove 22 through the second through hole 33 is reduced, meanwhile, the cross section area of the communication part between the second through hole 33 and the outside can be reduced through the second through hole 33 with a small upper part and a large lower part, and the amount of water which falls into the first groove 22 through the second through hole 33 can be further reduced.

Preferably, the minimum width of the second through hole 33 is less than or equal to the maximum width of the first groove 22; the width relationship between the second through hole 33 and the first groove 22 is defined, so that water flow passing through the second through hole 33 can all fall into the first groove 22 and be discharged through the water outlet 25 along the first groove 22, and therefore the water flow passing through the second through hole 33 can be prevented from falling to the top surface of the first waterproof member 2, and further the water flow can be prevented from entering the cavity 101 through the path of the second through hole 33 and the first through hole 23.

Preferably, as shown in fig. 4-5, the minimum width of the first through hole 23 is D, the maximum width of the first through hole 23 is E, and the maximum width of the first groove 22 is F;

d is 4mm, E is 10mm, and F is 4mm;

the minimum width of the second through hole 33 is J, the maximum width of the second through hole 33 is K, and the maximum width of the second groove 32 is L;

j is 4mm, K is 10mm, and L is 4mm;

the height of the gap 10 is 1mm.

Referring to fig. 8, fig. 8 is a schematic view of sound as it travels along the path of the front cover 11, the first flashing 2 and the second flashing 3, where the direction of the arrows represents the direction of sound.

Referring to fig. 9, fig. 9 is a schematic diagram illustrating a comparison between the frequency-sound pressure relationship of the automotive warning sound product structure 1000 and the bare speaker 2000 provided in the present embodiment. By adopting the sound transmission structure of the first through hole 23, the gap 10 and the second through hole 33 and limiting the sizes of the first through hole 23, the gap 10 and the second through hole 33, the sound pressure dB of the automobile warning sound product structure 1000 of the embodiment is obviously superior to that of the bare horn 2000 in the frequency range of 160-1434HZ, and the whole frequency response curve is smoother.

Further, as shown in fig. 2 to 3, the speaker assembly 4 of the present embodiment is fixed inside the cavity 101, and a sound generating end of the speaker assembly faces the first waterproof member 2.

Specifically, the horn assembly 4 includes a horn 41, a circuit board 42 and a guide pin 43; the horn 41 is fixed in the cavity 101, and the sound emitting end of the horn 41 faces the first waterproof member 2; the circuit board 42 is fixed in the cavity 101 and located on one side of the horn 41 away from the first waterproof part 2, and the circuit board 42 is electrically connected with the horn 41; the guide pin 43 is fixed on the circuit board 42, and one end of the guide pin 43 extends to the outside of the housing 1.

Preferably, the circuit board 42 is wired to the speaker 41.

Preferably, the guide PIN 43 is a PIN.

Preferably, a fixing post 421 is provided on a side of the circuit board 42 facing away from the speaker 41, the fixing post 421 has a screw hole, and the circuit board 42 is screwed to the rear cover 12 through the screw hole. The fixing posts 421 mainly support, position and fix the circuit board 42 and the housing 1.

To sum up, the embodiment of the utility model provides a pair of car prompt tone product structure has following beneficial effect:

(1) Adopt first through-hole 23, clearance 10 and second through-hole 33 constitute the vocal passageway jointly, can guarantee the normal outgoing of the sound of loudspeaker subassembly 4.

(2) The first protruding piece 21 and the second protruding piece 31 which are staggered with each other are adopted, the first through hole 23 and the second through hole 33 are respectively arranged on the top surfaces of the first protruding piece 21 and the second protruding piece 31, so that the first waterproof piece 2 and the second waterproof piece 3 form a double-layer waterproof structure which is staggered with each other, water flow is prevented from entering the cavity 101 through the second through hole 33, the gap 10 and the path of the first through hole 23, and the waterproof performance is good.

(3) By adopting the second groove 32 and the first groove 22, when water is sprayed on the surface of the second waterproof member 3, the water can flow away along the second groove 32, and the self-draining of the second waterproof member 3 is completed; rivers pass through during the second through-hole 33 gets into first waterproof part 2, rivers can be along first recess 22 is discharged from delivery port 25, accomplishes the self-bleeding of first waterproof part 2, has the function that can the self-bleeding be accomplished, has improved by the waterproof performance of the mutual staggered structure of bilayer that first waterproof part 2 and second waterproof part 3 formed.

(4) By adopting the first protrusion with a structure of small top and small bottom, the second groove 32 can be made to be of a structure of small top and small bottom, so that the water flow passing through the second through hole 33 falls into the first groove 22 as much as possible, the water flow is prevented from sputtering to the top surface of the first protrusion 211, and the water flow is prevented from entering the cavity 101 through the first through hole 23.

(5) By adopting the first through hole 23 with a structure which is small at the top and large at the bottom, the sectional area of the communication part of the first through hole 23 and the gap 10 can be reduced, the possibility that water splashes to the first through hole 23 is reduced, and the waterproofness of the double-layer staggered structure formed by the first waterproof piece 2 and the second waterproof piece 3 is improved.

(6) The second protrusion 311 with a small top and a large bottom is used to make the second groove 32 have a small top and a small bottom, so that the water flow sprayed to the surface of the second waterproof member 3 can fall into the second groove 32 as much as possible, thereby reducing the water flow falling onto the top surface of the second protrusion 311, and further reducing the water amount that can fall into the first groove 22 through the second through hole 33.

(7) By adopting the second through hole 33 with a structure that the upper part is small and the lower part is large, the sectional area of the communication part of the second through hole 33 and the outside can be reduced, and thus the water quantity falling into the first groove 22 through the second through hole 33 can be reduced.

(8) By adopting the sound transmission structure of the first through hole 23, the gap 10 and the second through hole 33 and limiting the sizes of the first through hole 23, the gap 10 and the second through hole 33, the sound pressure dB of the automobile warning sound product structure 1000 in the embodiment is obviously better than that of a bare loudspeaker in the frequency range of 160-1434HZ, and the whole frequency response curve is smoother.

(9) The front cover 11 and the rear cover 12 are detachably assembled to form the housing 1, so that the horn assembly 4 can be conveniently installed in the cavity 101.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. An automobile warning sound product structure, comprising:

a housing having a cavity;

the first waterproof piece is fixed on the shell, a water outlet is formed in the side wall of the first waterproof piece, a plurality of rows of first protruding pieces which are distributed at intervals are arranged on one surface of the first waterproof piece, which is far away from the shell, a first groove is formed between every two adjacent rows of the first protruding pieces, the first groove is communicated with the water outlet, a plurality of first through holes which are distributed at intervals are formed in the top surface of each row of the first protruding pieces, and each first through hole is communicated with the cavity;

the second waterproof part is fixed on one surface of the first waterproof part, which is far away from the shell, a plurality of rows of second protruding parts which are distributed at intervals are arranged on one surface of the first waterproof part, a second groove is formed between every two adjacent rows of second protruding parts, the top surface of each row of second protruding parts is provided with a plurality of second through holes which are distributed at intervals, the second through holes correspond to the first grooves, the second through holes are positioned right above the first grooves, the second grooves correspond to the first through holes, the second grooves are positioned right above the first through holes, gaps exist between the upper surfaces of the second protruding parts and the lower surfaces of the first protruding parts, and the second through holes are communicated with the first through holes through the gaps;

the loudspeaker assembly is fixed to the cavity, and the sound production end of the loudspeaker assembly faces the first waterproof piece.

2. The automobile warning sound product structure as claimed in claim 1, wherein the first protrusion member includes a plurality of first protrusions spaced apart from each other, a top surface of each of the first protrusions has one of the first through holes, and two adjacent first protrusions in the same row of the first protrusion members are formed with third grooves, the third grooves communicating with the first grooves.

3. The automotive warning sound product structure of claim 2, wherein the first protrusion has a first outer side wall extending obliquely from top to bottom and facing away from the first through hole.

4. The automobile warning sound product structure of claim 3, wherein the first through hole is arranged to be small at the top and large at the bottom.

5. The automobile warning sound product structure of claim 1, wherein the second protrusion includes a plurality of second protrusions spaced apart from each other, a top surface of each of the second protrusions has one of the second through holes, and adjacent two of the second protrusions in the same row of the second protrusion are formed with fourth grooves communicating with the second grooves.

6. The automotive cue tone product structure of claim 5 wherein the second protrusion has a second outer wall that extends obliquely from top to bottom and away from the second through hole.

7. The automobile warning sound product structure as claimed in claim 6, wherein the second through hole is arranged in a vertically small manner.

8. The automotive alert tone product structure as claimed in claim 3 or claim 6, wherein a minimum width of the first through hole is D, a maximum width of the first through hole is E, and a maximum width of the first groove is F;

the minimum width of the second through hole is J, the maximum width of the second through hole is K, and the maximum width of the second groove is L;

j is less than or equal to F;

d is 2-6mm, E is 6-14mm, and F is 2-8mm;

j is 2-6mm, K is 6-14mm, and L is 3-8mm

The height of the gap is 1-3mm.

9. The automotive alert tone product structure of any one of claims 1 to 7, wherein the housing includes a front cover and a rear cover; the rear cover is detachably connected to one end, far away from the first waterproof piece, of the front cover; the first waterproof piece is fixed on the front cover, and a sealing ring is arranged between the front cover and the rear cover in a cushioning mode.

10. The automotive alert tone product structure of any one of claims 1 to 7, wherein the horn assembly includes a horn, a circuit board and a guide pin; the loudspeaker is fixed in the cavity, and the sound production end of the loudspeaker faces the first waterproof piece; the circuit board is fixed in the cavity and positioned on one side of the loudspeaker, which is far away from the first waterproof part, and the circuit board is electrically connected with the loudspeaker; the guide pin is fixed on the circuit board, and one end of the guide pin extends to the outside of the shell.

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