Special-shaped housing for automobile sound box

Abstract

The utility model discloses a special-shaped housing for an automobile sound box, which belongs to the technical field of automobile parts and comprises a front housing and a rear housing, and an external connecting hole is arranged in the rear housing. A front shell connecting hole protruding towards the front shell is formed in the rear shell, a rear shell connecting hole protruding towards the rear shell is correspondingly formed in the front shell, the front shell and the rear shell are detachably and fixedly connected through screws, and the front shell comprises an upper side wall, a left side wall, a right side wall and a front wall. The upper side wall, the left side wall and the right side wall of the front shell are in fillet transition connection; the rear shell comprises a lower side wall, a rear wall, a left side wall and a right side wall, the left side wall and the right side wall correspond to the front shell, the two side walls of the front shell and the two side walls of the rear shell are in streamline design, the front shell and the rear shell are spliced to form an inner space used for installing a loudspeaker, and the front wall of the front shell is provided with a sound transmission hole used for sound of the loudspeaker to pass through. The structure of the front shell and the rear shell in the special-shaped housing is different from that of a traditional housing in an axial symmetry or regular shape, and installation is more flexible.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, more particularly to a special-shaped cover shell for automobile sound box. BACKGROUND

[0002] At present, the shape of automobile sound box is mostly traditional cuboid or cylinder, which has certain limitation in improving the utilization rate of automobile interior space and decoration performance. With the continuous increase of automobile electronic control parts, the installation reserved space of automobile sound box is continuously adjusted, and the installation position and layout of traditional machine case shell cannot meet the new demand, so a special-shaped automobile sound box with more flexible installation and better installation stability needs to be developed. SUMMARY

[0003] In view of the technical problem that the installation position and space layout of the sound box are limited in the prior art, the utility model provides a special-shaped cover shell for automobile sound box. The special-shaped cover shell comprises a front shell and a rear shell, the loudspeaker is fixed in the front shell, thereby facilitating the fixation of the loudspeaker; meanwhile, the two side walls of the front shell and the rear shell are designed in a streamline shape, and the front shell and the rear shell have a shape different from the traditional axial symmetry or regular shape, so that the installation is more flexible.

[0004] To achieve the above-mentioned purpose, the utility model provides a technical scheme as follows:

[0005] A special-shaped cover shell for automobile sound box comprises a front shell and a rear shell, and an external connecting hole is arranged in the rear shell; a front shell connecting hole protruding towards the front shell is arranged in the inside of the rear shell, a rear shell connecting hole protruding towards the rear shell is correspondingly arranged in the inside of the front shell, the front shell and the rear shell are fixedly connected through screws in front of each other in a detachable mode, the front shell comprises an upper side wall, a front wall, a left side wall and a right side wall, and the upper side wall, the left side wall and the right side wall of the front shell are connected through round corners; the rear shell comprises a lower side wall, a rear wall, a left side wall and a right side wall corresponding to the front shell, the left side wall and the right side wall in the front shell and the rear shell are designed in a streamline shape, an internal space for installing the loudspeaker is formed between the front shell and the rear shell, a basket connecting hole parallel to the rear shell connecting hole and protruding towards the rear shell is arranged in the inside of the front shell, the loudspeaker is installed in the inside of the front shell through the basket connecting hole, and the front wall of the front shell is provided with a sound transmission hole for the sound of the loudspeaker to pass through.

[0006] Further, the upper side wall of the front shell is a plane.

[0007] Further, the inside of the rear shell is provided with a circuit board connecting hole parallel to the front shell connecting hole and protruding towards the rear shell; a circuit board is installed in the inside of the rear shell through the circuit board connecting hole, and a plug-in hole in the circuit board is arranged opposite to the external connecting hole.

[0008] Further, the circuit board and the rear shell are further provided with sound insulation cotton matched with the shape of the circuit board, and the sound insulation cotton is provided with through holes corresponding to the external connecting holes and the circuit board connecting holes.

[0009] Further, the front shell is further provided with a light indicating lamp connecting hole protruding towards the rear shell, the light indicating lamp is installed in the interior of the front shell through the light indicating lamp connecting hole, and the front wall of the front shell is provided with a corresponding light transmission hole.

[0010] Further, the light transmission cover is further installed in the light transmission hole.

[0011] Further, the front wall of the front shell is further provided with a decorative groove, and the decorative piece is installed in the decorative groove.

[0012] Further, the front wall of the front shell is further provided with a sound mesh groove for installing a sound mesh, and the sound mesh groove is located at the outer circle of the sound transmission hole.

[0013] Further, the front wall of the front shell is further provided with a second support connecting hole for installing a second mounting support at the lower part of the outer surface of the front wall, and the left side wall or the right side wall of the rear shell is provided with a first support connecting hole for installing a first mounting support at the upper part of the left side wall or the right side wall; the second support connecting hole and the first support connecting hole are located at the left and right sides of the internal space enclosed by the front shell and the rear shell.

[0014] Further, the internal space of the front shell and the internal space of the rear shell are both provided with longitudinal and transverse intersecting reinforcing ribs.

[0015] Compared with the prior art, the technical scheme has the following beneficial effects:

[0016] (1) The front shell and the rear shell are optimized in the specific structure, specifically, the front shell comprises an upper side wall, a front wall, a left side wall and a right side wall, and the upper side wall, the left side wall and the right side wall of the front shell are connected through round corners; the rear shell comprises a lower side wall, a front wall and left and right side walls corresponding to the front shell, the left side wall and the right side wall of the front shell and the rear shell are designed in a streamline shape, and the internal space for installing the loudspeaker is formed by splicing the front shell and the rear shell. During installation, the left side wall and the right side wall of the front shell and the rear shell are in contact with the reserved installation space in the vehicle, so that the reserved installation space in the vehicle is fully utilized, and the installation stability is improved.

[0017] (2) The present invention further optimizes the internal structure of the front shell. The front shell has a frame connection hole that is parallel to the connection hole of the rear shell and protrudes towards the rear shell. The speaker is installed inside the front shell through the frame connection hole. The front wall of the front shell has a sound-transmitting hole for the speaker to pass through. The front shell has a frame connection hole that is parallel to the connection hole of the rear shell and protrudes towards the rear shell. The speaker frame is installed inside the front shell through the frame connection hole, thus fixing the speaker inside the front shell, which is beneficial to fixing the speaker. Attached Figure Description

[0018] Figure 1 This is an exploded structural diagram of the car speaker in an embodiment of this utility model.

[0019] Figure 2 This is an external front view of the front shell in an embodiment of this utility model.

[0020] Figure 3 This is an internal front view of the front shell in an embodiment of this utility model.

[0021] Figure 4 This is an exploded structural diagram showing the connection between the front shell and the speaker in an embodiment of this utility model.

[0022] Figure 5 This is an internal front view of the front shell and speaker after assembly in an embodiment of this utility model.

[0023] Figure 6 for Figure 5 A schematic diagram of the cross-sectional structure from the perspective of the middle AA.

[0024] Figure 7 This is a three-dimensional structural diagram of the rear shell in an embodiment of the present utility model.

[0025] Figure 8 This is an external front view of the rear shell in an embodiment of this utility model.

[0026] Figure 9 This is an exploded structural diagram showing the connection relationship between the rear shell, circuit board, and sound insulation cotton in an embodiment of this utility model.

[0027] Figure 10 This is a schematic diagram of the three-dimensional structure of the irregularly shaped cover after assembly in an embodiment of this utility model.

[0028] Figure 11 for Figure 10 Rear view.

[0029] Label Explanation:

[0030] 1. Sound-permeable mesh;

[0031] 2. Decorative parts;

[0032] 3. A light-transmitting cover;

[0033] 4. A front shell; 401, a decorative groove; 402, a light-transmitting hole; 403, a sound-transmitting hole; 404, a second support connecting hole; 405, a basin support connecting hole; 406, a rear shell connecting hole; 407, an indicator lamp connecting hole; 408,

[0034] 5. A loudspeaker;

[0035] 6. A first mounting support;

[0036] 7. A rear shell; 701, an external connecting hole; 702, a front shell connecting hole; 703, a first support connecting hole; 704, a circuit board connecting hole;

[0037] 8. Soundproof cotton;

[0038] 9. A circuit board;

[0039] 10. An indicator lamp;

[0040] 11. A second mounting support. DETAILED DESCRIPTION

[0041] In order to further understand the content of the present application, the present application will be described in detail in conjunction with the drawings and examples.

[0042] The structure, proportion, size, etc. shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification, to enable those skilled in the art to understand and read, and are not used to limit the limiting conditions of the implementation of the present application, so they do not have technical substantive significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect and purpose that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "up", "down", "left", "right", "middle" and the like in the present specification are only for the convenience of clear description, and are not used to limit the scope of implementation. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the implementation scope of the present application.

[0043] Reference Figures 1-4As shown in the figure, a special-shaped cover for a car audio box comprises a front shell 4 and a rear shell 7, the rear shell 7 is provided with an external connecting hole 701; the inside of the rear shell 7 is provided with a front shell connecting hole 702 protruding towards the front shell 4, the inside of the front shell 4 is correspondingly provided with a rear shell connecting hole 406 protruding towards the rear shell 7, the front shell 4 and the rear shell 7 are detachably fixedly connected by screws in front of each other, the front shell 4 comprises an upper side wall, a left side wall, a right side wall and a front wall, the upper side wall of the front shell 4 is connected to the left side wall and the right side wall by a round corner transition respectively; the rear shell 7 comprises a lower side wall, a rear wall and left and right side walls corresponding to the front shell 4, the left and right side walls of the front shell 4 and the rear shell 7 are designed in a streamline shape, the inside of the front shell 4 and the rear shell 7 is split to form an internal space for mounting a loudspeaker 5, the inside of the front shell 4 is provided with a yoke connecting hole 405 parallel to the rear shell connecting hole 406 and protruding towards the rear shell 7, the yoke of the loudspeaker 5 is mounted in the inside of the front shell 4 through the yoke connecting hole 405, and the front wall of the front shell 4 is provided with a sound hole 403 for the sound of the loudspeaker 5 to pass through.

[0044] When assembled, the outer contour line of the front shell 4 corresponds to the outer contour line of the rear shell 7 and is split. Specifically, the outer contour line of the upper side wall in the front shell 4 is split with the outer contour line of the upper end surface of the rear wall in the rear shell 7, the outer contour line of the left and right side walls in the front shell 4 corresponds to the outer contour line of the right and left side walls in the rear shell 7 and is split, and the outer contour line of the lower end surface of the front wall in the front shell 4 is split with the outer contour line of the lower side wall in the rear shell 7, so that the front shell 4 and the rear shell 7 enclose a closed internal space.

[0045] Further preferably, the distance between the left and right side walls in the front shell 4 and the rear shell 7 gradually changes along the height direction thereof. Specifically, the distance between the left and right side walls gradually decreases from top to bottom.

[0046] Further preferably, as shown in the figure, Figure 4 , Figure 7 Further preferably, the distance between the left and right side walls in the front shell 4 and the rear shell 7 gradually changes along the height direction thereof. Specifically, the distance between the left and right side walls gradually decreases from top to bottom.

[0047] When mounted, as shown in the figure, Figure 10As shown, the front shell 4 and the rear shell 7 enclose a special-shaped cover, the left side wall, the right side wall and the lower side wall of the special-shaped cover are in contact with the reserved installation space in the vehicle. Specifically, the contact surfaces of the front shell 4 and the rear shell 7 with the reserved installation space in the vehicle are all designed in a profile, thereby facilitating the reduction of installation gaps, the full use of the reserved installation space in the vehicle, the increase of the contact area between the shell and the reserved installation space in the vehicle and the improvement of the installation stability.

[0048] Reference Figures 4-6 As shown, in the embodiment, the speaker spider is installed in the interior of the front shell 4 through the spider connecting hole 405, the speaker is fixed in the interior of the front shell 4 and the layout of the speaker is optimized, thereby facilitating the fixation of the speaker.

[0049] As a preferred embodiment of the front shell 4, the upper side wall of the front shell 4 is a plane, thereby being able to provide a better support plane.

[0050] Preferably, as shown in Figure 7 , Figure 8 As shown, the interior of the rear shell 7 is provided with a circuit board connecting hole 704 which is parallel to the front shell connecting hole 702 and protrudes towards the rear shell 7; the circuit board 9 is installed in the interior of the rear shell 7 through the circuit board connecting hole 704 and the plug-in hole in the circuit board 9 is arranged opposite to the external connecting hole 701. The circuit board 9 is connected with the speaker 5 through an electric wire, thereby providing the speaker 5 with an electric signal.

[0051] Further preferably, as shown in Figure 9 The circuit board 9 and the rear shell 7 are further provided with sound insulation cotton 8 which matches the shape of the circuit board 9, the sound insulation cotton 8 is provided with through holes corresponding to the external connecting hole 701 and the circuit board connecting hole 704, and the sound insulation cotton 8 plays a role in shockproof and air leakage prevention.

[0052] Specifically, as shown in Figure 1 The interior of the front shell 4 is further provided with an indicator lamp connecting hole 407 which protrudes towards the rear shell 7, the indicator lamp 10 is installed in the interior of the front shell 4 through the indicator lamp connecting hole 407, and the front wall of the front shell 4 is provided with a corresponding light-transmitting hole 402. The indicator lamp and the circuit board connecting hole 704 are connected through an electric wire. More specifically, the light-transmitting cover 3 is installed in the light-transmitting hole 402, thereby facilitating the observation of the working state of the speaker 5 and playing a role in dust prevention. Further preferably, the light-transmitting cover 3 is installed in the light-transmitting hole 402 through glue, thereby increasing the installation stability.

[0053] In some embodiments, the front wall of the front shell 4 is further provided with a decorative recess 401, and a decorative piece is installed in the decorative recess 401. Preferably, the decorative piece 2 in the decorative recess 401 is similar to the appearance of a CD stylus. The decorative piece 2 is installed in the decorative recess 401 through glue, thereby increasing the installation stability.

[0054] In some other embodiments, the participants Figure 6 、 Figure 2 As shown in FIG. 4, the front wall of the front shell 4 is further provided with a sound mesh groove 408 for installing a sound mesh, which is located outside the outer ring of the sound hole 403. The sound mesh 1 is installed in the sound mesh groove 408, and the surface of the sound mesh 1 is plated, which can be black, white chrome or black nickel. The sound mesh 1 is installed in the sound mesh groove 408 by glue, so as to increase the stability of the installation.

[0055] As a further preferred embodiment of any of the above embodiments, the participants Figure 10 、 Figure 11 As shown in FIG. 4, the front wall of the front shell 4 is further provided with a sound mesh groove 408 for installing a sound mesh, which is located outside the outer ring of the sound hole 403. The sound mesh 1 is installed in the sound mesh groove 408, and the surface of the sound mesh 1 is plated, which can be black, white chrome or black nickel. The sound mesh 1 is installed in the sound mesh groove 408 by glue, so as to increase the stability of the installation.

[0056] Further, the front shell 4 and the rear shell 7 are both provided with reinforcing ribs arranged in a crisscross manner, which can increase the strength of the front shell 4 and the rear shell 7. Specifically, the reinforcing ribs are in a mesh shape, and the surface of the reinforcing ribs is paved with sound-absorbing material, which is preferably a corrugated sponge filler, which can effectively reduce the standing wave in the sound box, so as to achieve excellent bass quality and clear bass strength, thereby realizing the optimization of the acoustic structure.

[0057] As a further preferred embodiment of the front shell 4 and the rear shell 7, the material thereof can be selected from high-strength and lightweight plastics, such as PP material injection molding, so as to ensure the durability and sound quality of the sound box. Further, the surface thereof can be subjected to various decoration treatments, such as paint spraying, chrome plating and leather pasting, so as to increase the aesthetic degree and personalized features of the sound box.

[0058] In order to further improve the stability of the installation of the loudspeaker 5, the inside of the rear shell 7 is provided with a magnet connecting hole parallel to the front shell connecting hole 702 and protruding towards the rear shell 7. Correspondingly, the bottom of the loudspeaker 5 is provided with a rear shell connecting hole corresponding to the loudspeaker connecting hole, and the bottom of the loudspeaker 5 is fixedly connected to the rear shell 7 by a screw, so as to further limit the position of the loudspeaker 5 in the special-shaped shell.

[0059] The assembling of the special-shaped cover includes the following steps: (1) mounting the decorative part 2, the light-transmitting cover 3 and the sound-transmitting net 1 to the corresponding hole positions of the front wall of the front shell 4 through glue; (2) mounting the loudspeaker 5 and the indicator lamp 10 to the corresponding hole positions inside the front shell 4; (3) mounting the sound insulation cotton 8 and the circuit board 9 to the corresponding hole positions inside the rear shell 7; (4) laying the sound-absorbing material inside the front shell 4 and the rear shell 7; (5) assembling the corresponding hole positions of the front shell 4 and the rear shell 7; (6) mounting the first mounting bracket 6 and the second mounting bracket 11 to the corresponding hole positions of the side wall of the rear shell 7 and the side wall of the front shell 4 respectively.

[0060] The above description of the utility model and its embodiments is illustrative, and is not limiting, and the embodiments shown in the drawings are only one of the embodiments of the utility model, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by the above description, without departing from the creative purpose of the utility model, similar structural modes and embodiments can be designed without creativity, which should all belong to the protection scope of the utility model.

Claims

1. A special-shaped cover for a car speaker, comprising a front cover (4) and a rear cover (7), wherein the rear cover (7) is provided with an external connecting hole (701); the inside of the rear cover (7) is provided with a front cover connecting hole (702) protruding towards the front cover (4), and the inside of the front cover (4) is provided with a rear cover connecting hole (406) protruding towards the rear cover (7); the front cover (4) and the rear cover (7) are detachably fixed and connected by screws, characterized in that, The front shell (4) comprises an upper side wall, a front wall, a left side wall and a right side wall, and the upper side wall of the front shell (4) is connected to the left side wall and the right side wall through a round corner; the rear shell (7) comprises a lower side wall, a rear wall, a left side wall and a right side wall corresponding to the front shell (4), the left side wall and the right side wall of the front shell (4) and the rear shell (7) are designed in a streamline shape, the front shell (4) and the rear shell (7) are combined to form an internal space for mounting the loudspeaker (5), the internal space of the front shell (4) is provided with a speaker stand connecting hole (405) parallel to the rear shell connecting hole (406) and protruding towards the rear shell (7), and the front wall of the front shell (4) is provided with a sound transmission hole (403) for sound transmission of the loudspeaker (5).

2. The irregular shaped enclosure for car audio speaker as claimed in claim 1, wherein, The upper side wall of the front shell (4) is a plane.

3. The irregular shaped enclosure for car audio speaker as claimed in claim 1 wherein, The internal space of the rear shell (7) is provided with a circuit board connecting hole (704) parallel to the front shell connecting hole (702) and protruding towards the rear shell (7); the circuit board (9) is mounted in the internal space of the rear shell (7) through the circuit board connecting hole (704), and the plug-in hole in the circuit board (9) is arranged opposite to the external connecting hole (701).

4. The irregular shaped enclosure for car audio speaker as claimed in claim 3, wherein, The circuit board (9) and the rear shell (7) are further provided with sound insulation cotton (8) matched with the shape of the circuit board (9), and the sound insulation cotton (8) is provided with through holes corresponding to the external connecting hole (701) and the circuit board connecting hole (704).

5. The irregularly shaped cover for a car speaker cone as claimed in any one of claims 1-4, characterized in that, The internal space of the front shell (4) is further provided with a indicator lamp connecting hole (407) protruding towards the rear shell (7), the indicator lamp (10) is mounted in the internal space of the front shell (4) through the indicator lamp connecting hole (407), and the front wall of the front shell (4) is provided with a light transmission hole (402) corresponding to the indicator lamp connecting hole (407).

6. The irregular shaped enclosure for a car audio speaker of claim 5, wherein, A light transmission cover (3) is further mounted in the light transmission hole (402).

7. The irregularly shaped cover for a car speaker cone as claimed in any one of claims 1-4, characterized in that, The front wall of the front shell (4) is further provided with a decorative groove (401) on the outer surface, and a decorative part (2) is mounted in the decorative groove (401).

8. The irregularly shaped cover for a car speaker cone as claimed in any one of claims 1-4, characterized in that, The front wall of the front shell (4) is further provided with a sound mesh groove (408) on the outer surface for mounting a sound transmission mesh (1); the sound mesh groove (408) is located outside the sound transmission hole (403).

9. The irregularly shaped cover for a car speaker cone as claimed in any one of claims 1-4, characterized in that, The lower part of the front wall of the front shell (4) is provided with a second support connecting hole (404) for mounting a second mounting support (11); the upper part of the left side wall or the right side wall of the rear shell (7) is provided with a first support connecting hole (703) for mounting a first mounting support (6); the second support connecting hole (404) and the first support connecting hole (703) are located on the left and right sides of the internal space enclosed by the front shell (4) and the rear shell (7).

10. The irregularly shaped cover for a car speaker cone as claimed in any one of claims 1-4, characterized in that, The internal space of the front shell (4) and the internal space of the rear shell (7) are both provided with reinforcing ribs arranged in a longitudinal and transverse manner.

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