CN220776078U - Vehicle-mounted door panel loudspeaker - Google Patents

Abstract

The utility model discloses a vehicle-mounted door panel loudspeaker which is used for being mounted on a vehicle door of a vehicle, wherein the vehicle-mounted door panel loudspeaker comprises a basin frame and a cone, the basin frame is provided with a cone fixing plate, and the cone fixing plate is provided with a front surface facing a vehicle cab and a back surface opposite to the front surface; the cone is provided with a main body and a yoke ring surrounding the main body, the yoke ring is provided with a circle of hanging edges, and the hanging edges are fixedly connected to the front surface of the cone fixing plate; the included angle between the front surface of the cone fixing plate and the vertical plane is smaller than 45 degrees; the bottom of the cone fixing plate is communicated with a water guide groove, the water guide groove is provided with a water guide inlet which is opposite to the yoke ring, and the water guide inlet is higher than the hanging edge. The vehicle-mounted door panel loudspeaker solves the problem of accumulated water at the joint of the cone and the basin frame, leads the accumulated water out of the loudspeaker, and reduces the adverse effect of the accumulated water on the sound production effect of the loudspeaker and the cone structure.

Description

Vehicle-mounted door panel loudspeaker

Technical Field

The utility model belongs to the field of vehicle-mounted speakers, and relates to a vehicle-mounted door panel speaker.

Background

The door speaker is typically embedded in the door inner panel. For example, a mounting opening may be formed in a mounting plate in the door for fitting a speaker, and a snap hole may be provided at the edge of the opening. During installation, inlay the speaker in the opening, with the buckle daughter card at speaker edge in the mounting hole, form zonulae occludens, convenient to detach simultaneously.

If the sealing effect at the door speaker is not ideal, water may flow along the door glass toward the inside of the door inner panel in a rainy day or during a car wash, so that the water flowing into the door inner panel may be immersed in the passenger compartment through the speaker mounting opening. Accordingly, methods of preventing water from entering the passenger compartment at the speaker have been proposed, including providing a circular sponge gasket between the speaker and the door inner panel mounting portion, covering the mounting film, adding a water guide plate at the tub frame, and the like.

However, existing waterproof structures are mostly focused on the water guiding design of the speaker and the sheet metal parts of the vehicle body (including the inner plate in the vehicle), and mostly neglect the problem of water accumulation in the speaker. Specifically, in rainy days or during car washing, water also can enter into the bonding department of basin and basin frame of speaker and can't discharge, and then forms ponding in the junction of basin frame and basin, leads to appearing abnormal sound, and the basin soaks for a long time and leads to structural failure.

Disclosure of Invention

The utility model aims to provide a vehicle-mounted door panel loudspeaker, which solves the problem of accumulated water at the joint of a cone and a cone frame, leads the accumulated water out of the loudspeaker and reduces the adverse effect of the accumulated water on the sound production effect of the loudspeaker and the cone structure.

The utility model adopts the following technical scheme:

a vehicle door panel speaker for mounting on a door of a vehicle, the vehicle door panel speaker comprising a basin stand and a cone, the basin stand having a cone-mount plate having a front face facing a cabin of the vehicle and a back face opposite thereto; the cone is provided with a main body and a yoke ring surrounding the main body, the yoke ring is provided with a circle of hanging edges, and the hanging edges are fixedly connected to the front surface of the cone fixing plate; the included angle between the front surface of the cone fixing plate and the vertical plane is smaller than 45 degrees; the bottom of the cone fixing plate is communicated with a water guide groove, the water guide groove is provided with a water guide inlet which is opposite to the yoke ring, and the water guide inlet is higher than the hanging edge.

In some preferred embodiments, the yoke ring further has an arch portion arched toward the vehicle cabin, a cavity being formed between a part of the arch portion and the tub fixing surface, wherein a part of the cavity at the bottom of the in-vehicle door panel speaker forms a water accumulation region in which the water introduction inlet is located.

In some preferred embodiments, the basin stand comprises a cylindrical body and a magnetic circuit mounting part positioned in the cylindrical body, the basin fixing plate extends inwards from the cylindrical body, the magnetic circuit mounting part is connected with the basin fixing plate through a plurality of connecting parts, and a hollowed-out area is formed between adjacent connecting parts.

In some more preferred embodiments, the water guide groove is provided on a portion of the cone fixing plate corresponding to the hollowed-out area, and the water guide groove is provided on an inner side surface of the cone fixing plate.

In some more preferred embodiments, the water guide groove is formed at the joint of the cone fixing plate and the connecting part, and penetrates through the connecting part.

In some more preferred embodiments, a reinforcing rib is arranged on the back surface of the cone fixing plate, a water guide notch is arranged on the reinforcing rib, and the water guide notch and the water guide groove are corresponding and communicated with each other.

In some further preferred embodiments, the width of the reinforcing bead is greater than the depth of the water guide groove.

In some further preferred embodiments, the water guiding indentation extends into the space enclosed by the basin stand.

In some further preferred embodiments, the vehicle door panel speaker is mounted on a door inner panel, a mounting hole is formed in the door inner panel, the basin frame is inserted into the mounting hole and is in sealing connection with the door inner panel, and the rear end of the basin frame is open and is communicated with the outer side of the door inner panel.

In some preferred embodiments, the cone fixing plate is perpendicular to the horizontal plane, the number of the water guide grooves is plural, and the plurality of water guide grooves are distributed on the lower half part of the cone fixing plate at intervals along the circumferential direction of the cone frame.

Compared with the prior art, the utility model has the following advantages:

the vehicle-mounted door panel loudspeaker plays a role in dividing a dry area and a wet area, and the special water guide notch is formed at the joint of the basin frame and the cone, so that the problem of local ponding is optimized, the problems of loudspeaker failure and dry area water inlet caused by water immersion are radically solved, the ponding removing effect is remarkable, and the distortion problem caused by ponding is avoided. On the premise, the vehicle-mounted door panel loudspeaker of the embodiment has the advantages of simple structure, lower cost, little appearance change of the loudspeaker and wider application range.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a vehicle door panel speaker according to an embodiment of the present utility model.

Fig. 2 is an exploded view of a vehicle door panel speaker according to an embodiment of the present utility model.

Fig. 3 is a partial enlarged view at a in fig. 2.

Fig. 4 is a front view of a vehicle door panel speaker according to an embodiment of the present utility model.

Fig. 5 is a left side view of a vehicle door panel speaker according to an embodiment of the present utility model.

Fig. 6 is a sectional view taken along the direction B-B in fig. 5.

Fig. 7 is a partial enlarged view at D in fig. 6.

Fig. 8 is a sectional view taken along the direction D-D of the portion of fig. 5.

Fig. 9 is a graph comparing distortion curves of examples and comparative examples.

The reference numerals are as follows:

1. a basin stand; 10. a cone fixing plate; 10a, front face; 101. a water guide groove; 101a, a water inlet; 11. reinforcing the convex ribs; 110. a water guiding notch; 12. a cylinder body; 13. a magnetic circuit mounting portion; 14. a connection part; 15. a hollowed-out area;

2. a sound basin; 20. a water accumulation area; 21. a yoke ring; 210. a hanging edge; 211. an arch portion; 22. a main body;

3. a voice coil; 4. a magnetic circuit system; 41. a front sheet; 42. magnetic steel; 43. an iron bowl; 5. a dust cap; 6. pad cotton; 7. pressing strips; 8. and (5) cotton padding.

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

In the present utility model, "inner" and "outer" are defined with reference to the axial center line of the corresponding cone, and are defined with the direction closer to the axial center line as the inner, and vice versa. The azimuth terms "upper", "lower", "horizontal" are intended to facilitate understanding of the structure of the speaker by those skilled in the art and are not intended to limit the state of the speaker after it is installed in a use scenario (e.g., an automobile); typically, the in-vehicle door panel speaker of the present embodiment is mounted to an upstanding member of an automobile, such as a door inner panel.

Example 1

The present embodiment provides a vehicle door panel speaker for mounting on a door of a vehicle, radiating sound into a cabin of the vehicle, as an integral part of a vehicle-mounted audio system. Referring to fig. 1 to 8, the vehicle door panel speaker includes a tub 1, a tub 2, a voice coil 3, and a magnetic circuit 4. The inner plate (usually a sheet metal part) of the car door is provided with a mounting hole, the basin frame 1 is inserted into the mounting hole and is in sealing connection with the inner plate of the car door, and the sealing is realized by a flexible pad cotton 8 between the basin frame and the inner plate of the car door; the rear end of the basin frame 1 is open and communicated with the outer side of the inner plate of the vehicle door, namely, the basin frame can be communicated with the atmosphere outside the vehicle. The cone 2 is fixed on one end of the cone frame 1 through a pressing strip 7 and a pad cotton 6, the magnetic circuit system 4 is arranged in the cone frame 1, and the voice coil 3 is connected with the cone 2 and inserted into a magnetic gap of the magnetic circuit system 4. The middle part of the cone 2 is fixedly connected with a dustproof cap 5 and is covered on the voice coil 3.

The basin stand 1 is provided with a basin fixing plate 10, and the basin fixing plate 10 is in a ring shape as a whole. The basin securing plate 10 has an annular front face 10a facing the vehicle cabin and an opposite rear face, the front face 10a of the basin securing plate 10 being angled at less than 45 degrees to the vertical plane. That is, the speaker in the present embodiment is mounted on a substantially vertical door inner panel, and the axial axis of the cone 2 is substantially perpendicular to the substantially vertical door inner panel. In particular to the present embodiment, the basin securing plate 10 is perpendicular to the horizontal plane, particularly with its front face 10a in a vertical plane.

The cone 2 has a main body 22 and a yoke ring 21 surrounding the main body 22, the yoke ring 21 having a ring of hanging edges 210, the hanging edges 210 being fixedly connected to the front face 10a of the cone-fixing plate 10. The width of the hanging edge 210 is smaller than the width of the front face 10a of the tub fixing plate 10. Here, the "width" refers to the dimension of the component in a direction perpendicular to the axial center line of the tub 1. The inner edge of the hanging rim 210 is deviated to a distance to the outer side of the inner edge of the tub fixing plate 10, and thus, a cavity is formed between the front face 10a of the tub fixing plate 10 and the yoke ring 21, and moisture is collected at the bottom of the cavity to form a water accumulation area 20, as shown in fig. 6 to 8.

The tub fixing plate 10 has a water guide 101 penetrating the bottom thereof, and the water guide 101 has a water guide inlet 101a facing the yoke 21, the water guide inlet 101a being higher than the hanging edge 210. The water in the water accumulation area 20 is guided out by the water guide 101. Further, the yoke 21 further has an arch portion 211 which arches toward the cabin of the vehicle, and a cavity is formed between a part of the arch portion 211 and the fixed surface of the basin 2, wherein a part of the cavity at the bottom of the vehicle door panel speaker forms the above-mentioned water accumulation area 20, and the water introduction port 101a is located in the water accumulation area 20.

The basin stand 1 includes a cylindrical body 12 and a magnetic circuit mounting portion 13 located in the cylindrical body 12. The cylindrical body 12 is hollow and open at both ends, with a first end facing the cabin of the vehicle and a first end facing the outside of the vehicle. The cone mounting plate 10 extends inwardly from a first end of the barrel 12. The magnetic circuit mounting part 13 is located in the second end of the basin stand 1 and is connected to the basin fixing plate 10 through a plurality of connecting parts 14 arranged at intervals, and a hollowed-out area 15 is formed between the adjacent connecting parts 14. The magnetic circuit system 4 is disposed on the magnetic circuit mounting portion 13, and the magnetic circuit system 4 specifically includes a front plate 41, a magnetic steel 42, and an iron bowl 43, the iron bowl 43 is fixed on the magnetic circuit mounting portion 13, and the front plate 41 and the magnetic steel 42 are fixed in the iron bowl 43 and form a magnetic gap. One end of the voice coil 3 is fixedly connected to the main body 22 of the cone 2, and the other end is inserted into the magnetic gap so as to be movable along the axial center line of the cone frame 1.

The number of the water guide grooves 101 is plural, and the plurality of water guide grooves 101 are distributed on the lower half portion of the basin fixing plate 10 at intervals along the circumferential direction of the basin frame 1. Part of the water guide groove 101 is arranged on the part of the cone fixing plate 10 corresponding to the hollowed-out area 15, the part of the water guide groove 101 is arranged on the inner side surface of the cone fixing plate 10, and the cross section of the water guide groove 101 is U-shaped or semicircular. The other part of the water guide 101 penetrates through the connecting part 14 at the joint of the basin fixing plate 10 and the connecting part 14, and the cross section of the water guide 101 at the part is circular or rectangular.

The back of the cone fixing plate 10 is provided with a reinforcing rib 11. The reinforcing ribs 11 are arc-shaped to match the back surface of the cone fixing plate 10, and extend from the inner edge of the back surface of the cone fixing plate 10 along the axial center line of the cone frame 1. The reinforcing rib 11 positioned at the bottom of the vehicle door panel loudspeaker is provided with a water guide notch 110, and the water guide notch 110 and the water guide groove 101 are corresponding and communicated with each other. The width of the reinforcing bead 11 is greater than the depth of the water guide groove 101. The water guiding gap 110 extends downward and outward into the space surrounded by the basin stand 1.

Comparative example

The comparative example provides a vehicle door panel speaker which is basically the same as the embodiment, and differs only in that: the basin fixing plate 10 is not provided with any water guide groove 101, and the reinforcing convex rib 11 is also not provided with a notch.

Testing and results

Distortion curves of the vehicle door panel speakers of the example and the comparative example of the same specification were respectively tested, in which water was present in the water accumulation region 20 of the comparative example, and the water accumulation in the water accumulation region 20 of the example was discharged through the water guide groove 101. Referring to fig. 9, the distortion of the vehicle door panel speaker of the comparative example at about 520Hz is very poor, and the vehicle door panel speaker of the embodiment significantly improves the distortion problem at 520Hz, and also significantly improves the distortion of other frequency bands.

The on-vehicle door plant speaker of this embodiment plays the effect of cutting apart dry wet district, sets up special water guide breach in basin frame 1 and basin 2 junction, has optimized local ponding problem, has solved the speaker inefficacy and the dry district water inlet problem that lead to because of soaking from the root, and it is showing to get rid of ponding effect, has avoided leading the distortion problem that ponding leads to. On the premise, the vehicle-mounted door panel loudspeaker of the embodiment has the advantages of simple structure, lower cost, little appearance change of the loudspeaker and wider application range.

As used in this specification and in the claims, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus.

It is further understood that the term "plurality" in this disclosure means two or more, and other adjectives are similar thereto.

It is further understood that the terms "first," "second," and the like are used to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the expressions "first", "second", etc. may be used entirely interchangeably. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.

The above-described embodiments are provided for illustrating the technical concept and features of the present utility model, and are intended to be preferred embodiments for those skilled in the art to understand the present utility model and implement the same according to the present utility model, not to limit the scope of the present utility model.

Claims (10)

1. A vehicle door panel speaker for mounting on a door of a vehicle, the vehicle door panel speaker comprising a basin stand and a cone, the basin stand having a cone-mount plate having a front face facing a cabin of the vehicle and a back face opposite thereto; the cone is provided with a main body and a yoke ring surrounding the main body, the yoke ring is provided with a circle of hanging edges, and the hanging edges are fixedly connected to the front surface of the cone fixing plate; the included angle between the front surface of the cone fixing plate and the vertical plane is smaller than 45 degrees; the basin is characterized in that a water guide groove is arranged at the bottom of the basin fixing plate in a penetrating mode, the water guide groove is provided with a water guide inlet which is opposite to the yoke ring, and the water guide inlet is higher than the hanging edge.

2. The vehicle door panel speaker of claim 1, wherein the yoke ring further has an arch portion that arches toward the vehicle cabin, a cavity being formed between a portion of the arch portion and the cone mounting surface, wherein a portion of the cavity at a bottom of the vehicle door panel speaker forms a water accumulation region in which the water introduction inlet is located.

3. The vehicle door panel speaker of claim 1, wherein the basin stand comprises a cylindrical body and a magnetic circuit mounting portion positioned in the cylindrical body, the basin fixing plate extends inwards from the cylindrical body, the magnetic circuit mounting portion is connected to the basin fixing plate through a plurality of connecting portions, and a hollowed-out area is formed between adjacent connecting portions.

4. The vehicle door panel speaker according to claim 3, wherein the water guide groove is provided on a portion of the cone fixing plate corresponding to the hollowed-out area, and the water guide groove is provided on an inner side surface of the cone fixing plate.

5. The vehicle door panel speaker according to claim 3 or 4, wherein the water guide groove is provided at a joint between the cone fixing plate and the connecting portion, and the water guide groove penetrates through the connecting portion.

6. The vehicle-mounted door panel loudspeaker according to claim 3, wherein a reinforcing rib is arranged on the back surface of the cone fixing plate, a water guide notch is arranged on the reinforcing rib, and the water guide notch and the water guide groove are corresponding and are mutually communicated.

7. The vehicle door panel speaker of claim 6, wherein the width of the stiffener is greater than the depth of the water guide channel.

8. The vehicle door panel speaker of claim 6, wherein the water guide notch extends into a space enclosed by the basin stand.

9. The vehicle door panel speaker as claimed in claim 8, wherein the vehicle door panel speaker is mounted on a door inner panel, a mounting hole is provided in the door inner panel, the basin stand is inserted into the mounting hole and is connected with the door inner panel in a sealing manner, and a rear end of the basin stand is opened and is communicated with an outer side of the door inner panel.

10. The vehicle door panel speaker of claim 1, wherein the tub fixing plate is perpendicular to a horizontal plane, the number of the water guide grooves is plural, and the plurality of water guide grooves are distributed on a lower half portion of the tub fixing plate at intervals along a circumferential direction of the tub frame.