CN116546403A

CN116546403A - Sound producing device and vehicle

Info

Publication number: CN116546403A
Application number: CN202310613878.1A
Authority: CN
Inventors: 苗青; 张彦兵; 张迪
Original assignee: Weifang Geldanna Electronic Technology Co ltd
Current assignee: Weifang Geldanna Electronic Technology Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-08-04

Abstract

The invention discloses a sound generating device and a vehicle, the sound generating device is applied to the vehicle, the vehicle is provided with a mounting surface, the mounting surface is provided with a fastening hole and at least two pre-fixing holes, the sound generating device comprises a basin frame, a magnetic circuit system and a vibration system, the basin frame is provided with a containing cavity with an opening at one end, the outer wall of the basin frame is provided with a connecting plate, the connecting plate is provided with a fixing hole and at least two pre-hanging posts, the magnetic circuit system is arranged in the containing cavity, the vibration system covers the opening and is connected with the basin frame, and the vibration system is arranged opposite to the magnetic circuit system; at least two pre-hanging columns penetrate through at least two pre-fixing holes respectively, so that the fixing holes are communicated with the fastening holes in a positive mode. The invention aims to solve the problem that the sounding device is pre-positioned before being assembled and fixed, the manual auxiliary positioning is canceled, and the positioning precision and the assembly efficiency of the sounding device are provided.

Description

Sound producing device and vehicle

Technical Field

The invention relates to the technical field of electroacoustic transduction, in particular to a sound generating device and a vehicle using the sound generating device.

Background

A loudspeaker, also called a loudspeaker, is an electroacoustic transducer that converts electrical energy into acoustic energy by some physical effect. When different electronic energy is transmitted to the voice coil of the loudspeaker, the voice coil generates energy to interact with the magnetic field of the magnet, the interaction causes vibration of the vibrating diaphragm, and the voice coil of the loudspeaker moves forwards or backwards due to the fact that the electronic energy changes at any time, so that the vibrating diaphragm of the loudspeaker moves along with the movement, and the action changes the density degree of air to generate sound.

In the related art, when the loudspeaker is mounted on the car body, before the loudspeaker is locked and attached by a screw after initial assembly, manual positioning is needed, the loudspeaker cannot be moved or loosened, or the loudspeaker is easy to drop, and meanwhile, the positioning accuracy is low, and the assembly efficiency is reduced.

Disclosure of Invention

The invention mainly aims to provide a sound generating device and a vehicle, and aims to solve the problem that the sound generating device is pre-positioned before being assembled and fixed, the manual auxiliary positioning is canceled, and the positioning precision and the assembly efficiency of the sound generating device are provided.

In order to achieve the above object, the present invention provides a sound generating apparatus for a vehicle, the vehicle having a mounting surface, the mounting surface being provided with a fastening hole and at least two pre-fixing holes, the sound generating apparatus comprising:

the basin frame is provided with a containing cavity with an opening at one end, the outer wall of the basin frame is provided with a connecting plate, and the connecting plate is provided with a fixing hole and at least two pre-hanging columns;

the magnetic circuit system is arranged in the accommodating cavity; a kind of electronic device with high-pressure air-conditioning system

The vibration system covers the opening and is connected with the basin frame, and the vibration system and the magnetic circuit system are oppositely arranged;

at least two pre-hanging columns penetrate through at least two pre-fixing holes respectively, so that the fixing holes are communicated with the fastening holes in a positive mode.

In an embodiment, each pre-hanging column comprises a column part and an elastic part, one end of the elastic part is connected with the column part, and the other end of the elastic part extends towards the connecting plate and forms an abutting surface;

when each pre-hanging column penetrates through the pre-fixing hole, the elastic part deforms and penetrates through the pre-fixing hole, so that the abutting surface is in limiting abutting connection with the mounting surface, and the sounding device is fixed on the mounting surface.

In an embodiment, the column portion is formed with a deformation cavity and a notch communicated with the deformation cavity, one end of the elastic portion, which is far away from the abutting surface, is connected with the inner wall of the notch, and the elastic portion corresponds to the notch.

In an embodiment, the column part and the elastic part are in an integral structure;

and/or the column body and the connecting plate are of an integrated structure;

and/or the connecting plate is provided with a communication port communicated with the deformation cavity;

and/or the extending direction of the notch is consistent with the extending direction of the pre-hanging column;

and/or the extending direction of the deformation cavity is consistent with the extending direction of the pre-hanging column;

and/or the elastic part is arranged in an extending way along the extending direction of the pre-hanging column.

In an embodiment, the elastic portion has an inner sidewall facing the deformation cavity and an outer sidewall facing away from the deformation cavity, and the outer sidewall forms an angle with the axial direction of the deformation cavity of more than 3 °.

In an embodiment, the inner sidewall is disposed parallel to an axial direction of the deformation cavity; or, the inner side wall and the outer side wall are arranged in parallel;

and/or the distance from the outer side wall to the inner side wall gradually increases from one end of the elastic part away from the abutting surface to one end of the elastic part adjacent to the abutting surface.

In an embodiment, the elastic portion further has a first side wall and a second side wall facing the inner wall of the notch, and the distance between the first side wall and the second side wall is defined as the width of the elastic portion, and the width of the elastic portion is smaller than 1/2 of the diameter of the column portion.

In an embodiment, the extension length of the elastic part along the axial direction of the deformation cavity is greater than or equal to 1/3 of the extension length of the column part;

and/or one end of the column part, which is far away from the connecting plate, is provided with a guide conical surface.

In an embodiment, the pre-hanging columns include a plurality of pre-hanging columns, the plurality of pre-hanging columns are arranged on the connecting plate at intervals, and the number of the pre-fixing holes is consistent with that of the pre-hanging columns;

and/or the fixing holes comprise a plurality of fixing holes, the fixing holes are arranged on the connecting plate at intervals, and the number of the fixing holes is consistent with that of the fastening holes.

The invention also provides a vehicle, which comprises a vehicle body and the sounding device, wherein the vehicle body is provided with a sheet metal part, the sheet metal part is provided with a mounting surface, and the sounding device is connected with the mounting surface through a fastener.

According to the sounding device, the accommodating cavity is arranged in the basin frame, so that the magnetic circuit system and the vibration system are installed, fixed and protected by the accommodating cavity, and the sounding device can work normally; meanwhile, the connecting plate is arranged on the outer wall of the basin frame, the fixing holes and the at least two pre-hanging columns are formed in the connecting plate, so that the sounding device is assembled in the vehicle, the at least two pre-hanging columns are respectively arranged in the at least two pre-fixing holes in a penetrating mode, guiding and auxiliary positioning effects can be achieved through the at least two pre-hanging columns, the fixing holes of the sounding device and the fastening holes of the mounting face are opposite to each other, the pre-positioning of the sounding device is achieved, assembly accuracy is provided, interference assembly is achieved through the at least two pre-hanging columns and the metal plate of the vehicle, manual auxiliary positioning is omitted, and accordingly assembly efficiency of the sounding device can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a basin stand according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic view showing a part of a basin stand according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a pre-hanging column according to an embodiment of the present invention;

FIG. 5 is a schematic view of a pre-suspension post according to another embodiment of the present invention;

FIG. 6 is a schematic view of a pre-suspension post according to another embodiment of the present invention;

FIG. 7 is an exploded view of a basin stand and a sheet metal part according to an embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view illustrating a connection between a basin stand and a sheet metal part according to an embodiment of the present invention;

fig. 9 is an enlarged schematic view at B in fig. 8.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Meanwhile, the meaning of "and/or" and/or "appearing throughout the text is to include three schemes, taking" a and/or B "as an example, including a scheme, or B scheme, or a scheme that a and B satisfy simultaneously.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

Based on the above conception and problems, the present invention provides a sound generating apparatus. It will be appreciated that the sound generating apparatus is applied to a terminal device or a vehicle, and the terminal device may be an earphone, a sound box, a vehicle-mounted sound box, or the like, which is not limited herein. In this embodiment, the sound generating device may be used as a vehicle speaker, in order to achieve the installation and fixation of the sound generating device, as shown in fig. 6 to 8, the vehicle is provided with a mounting surface 21, the mounting surface 21 is provided with a fastening hole 22 and at least two pre-fixing holes 23, the sound generating device is placed on the mounting surface 21 of the vehicle, and the pre-fixation of the sound generating device and the vehicle is achieved by using the cooperation of the pre-hanging posts 14 and the pre-fixing holes 23 of the mounting surface 21, so that on one hand, the alignment accuracy of the fastening holes 132 of the sound generating device and the fastening holes 22 of the mounting surface 21 is improved, and on the other hand, the cooperation of the at least two pre-hanging posts 14 and the at least two pre-fixing holes 23 is also utilized to achieve the elimination of manual auxiliary positioning, so that the assembly efficiency of the sound generating device can be improved.

Referring to fig. 1 to 9 in combination, in the embodiment of the present invention, the sound generating apparatus includes a frame 1, a magnetic circuit system and a vibration system, wherein the frame 1 is formed with a cavity 12 having an opening 11 at one end, the outer wall of the frame 1 is provided with a connecting plate 13, the connecting plate 13 is provided with a fixing hole 132 and at least two pre-hanging posts 14, the magnetic circuit system is disposed in the cavity 12, the vibration system covers the opening 11 and is connected with the frame 1, and the vibration system is disposed opposite to the magnetic circuit system; wherein, at least two pre-hanging posts 14 are respectively penetrated in at least two pre-fixing holes 23, so that the fixing holes 132 are in opposite communication with the fastening holes 22.

In this embodiment, the frame 1 of the sound generating device is used for mounting, fixing, supporting and protecting components such as a magnetic circuit system and a vibration system, that is, the frame 1 provides a mounting base for the components such as the magnetic circuit system and the vibration system. It should be understood that the frame 1 may be a structure such as a mounting shell, a housing or a box with a cavity 11, that is, the frame 1 defines a receiving space, which is not limited herein.

Alternatively, the basin stand 1 can be cylindrical, square or horn-shaped. The cavity 11 of the basin stand 1 can be a cavity structure with one end open, and can be a cavity structure with two ends open. In this embodiment, the basin stand 1 is a cylindrical, columnar or basin-mounted structure with an opening at one end, and the magnetic circuit system and the vibration system are disposed in the cavity 11 of the basin stand 1.

It can be understood that the vibration system comprises a vibrating diaphragm and a voice coil, the magnetic circuit system is provided with a magnetic gap, and the voice coil electrified in the way receives the magnetic field to drive the voice coil to drive the vibrating diaphragm to vibrate so as to realize sound. Of course, the magnetic circuit system can be a structure that the magnetic conductive yoke is matched with the central magnetic circuit and the side magnetic circuit, and the side magnetic circuit is positioned outside the central magnetic circuit and forms a magnetic gap; alternatively, the magnetic circuit system may be a structure of T-iron or U-iron matching the magnetic circuit, which is not limited herein.

When the basin frame 1 is a metal piece, the magnetic circuit system and the basin frame 1 are bonded or welded and fixed, so that the heat dissipation effect of the sound generating device is improved. In other embodiments, when the frame 1 is formed by injection molding, the magnetic circuit system may be injection molded in the frame 1 as an insert, or the magnetic circuit system and the frame 1 may be fixed by adhesion, and then the other parts are fixed by adhesion, which is not limited herein.

In this embodiment, in order to facilitate pre-positioning assembly during assembly of the sound generating device, and cancel manual auxiliary positioning, the connecting plate 13 is disposed on the outer wall of the basin frame 1 of the sound generating device, and the fixing hole 132 is disposed on the connecting plate 13, and at least two pre-hanging posts 14 are disposed, so when the sound generating device is assembled on a vehicle, the connecting plate 13 is correspondingly abutted to the mounting surface 21 of the vehicle, at least two pre-hanging posts 14 are respectively disposed in at least two pre-fixing holes 23, and the at least two pre-hanging posts 14 and the at least two pre-fixing holes 23 are mutually matched, so that the connecting plate 13 and the mounting surface 21 can be prevented from moving relative to each other, and the sound generating device can be prevented from rotating in the axial direction along the accommodating cavity 12, thereby realizing pre-positioning of the fixing hole 132 and the fastening hole 22, and meanwhile, canceling manual auxiliary positioning can be realized by mutually matching the at least two pre-hanging posts 14 and the at least two pre-fixing holes 23, so as to improve positioning accuracy and assembly efficiency.

It is to be understood that the pre-fixing hole 23 may be a polygonal hole such as a round hole, an oval hole, a triangular hole, a square hole, or a special-shaped hole, which is not limited herein. In order to realize the adaptation of the pre-hanging column 14 and the pre-fixing hole 23 and the positioning and matching, the outline of the pre-hanging column 14 is adapted to the outline of the pre-fixing hole 23.

Alternatively, the pre-hanging post 14 may be a boss, a protrusion, a protruding strip, a buckling structure, an elastic buckling structure, or a spring plate, which is not limited herein.

In this embodiment, the size and shape of the fixing hole 132 and the fastening hole 22 are adapted to facilitate the sound generating device to sequentially penetrate through the fixing hole 132 and the fastening hole 22 by using the fastening device, so as to realize the fixed installation on the vehicle and other devices. It will be appreciated that the fasteners may be screws, pins or other structures capable of achieving a secure connection, without limitation.

According to the sounding device, the accommodating cavity 11 is arranged in the basin frame 1, so that the magnetic circuit system and the vibration system are installed, fixed and protected by the accommodating cavity 11, and the sounding device can work normally; meanwhile, the connecting plate 13 is arranged on the outer wall of the basin frame 1, and the fixing holes 132 and the at least two pre-hanging columns 14 are formed in the connecting plate 13, so that in the process of assembling the sounding device on a vehicle, the at least two pre-hanging columns 14 are respectively penetrated into the at least two pre-fixing holes 23 of the mounting surface 21 on the vehicle, the guiding and auxiliary positioning functions can be realized by the at least two pre-hanging columns 14, the pre-positioning of the fixing holes 132 of the sounding device and the fastening holes 22 of the mounting surface 21 which are just opposite to be communicated can be realized, the assembling precision is provided, the interference assembling is carried out by the at least two pre-hanging columns 14 and the metal plate of the vehicle, and the manual auxiliary positioning is canceled, so that the assembling efficiency of the sounding device can be improved.

In one embodiment, each pre-hanging post 14 includes a column portion 141 and an elastic portion 142, one end of the elastic portion 142 is connected to the column portion 141, and the other end of the elastic portion 142 extends toward the connecting plate 13 and forms an abutment surface 1421; when each pre-hanging post 14 is inserted into the pre-fixing hole 23, the elastic portion 142 deforms and passes through the pre-fixing hole 23, so that the abutting surface 1421 is in limited abutting contact with the mounting surface 21, and the sound generating device is fixed on the mounting surface 21.

In the present embodiment, as shown in fig. 1 to 9, by providing the pre-hanging post 14 as a mating structure of the cylindrical portion 141 and the elastic portion 142, deformation of the elastic portion 142 is achieved in the assembly process, and supporting and limiting mating of the abutment surface 1421 of the elastic portion 142 with the mounting surface 21 is enabled by utilizing elastic deformation, so that manual auxiliary positioning mating is effectively canceled.

As can be appreciated, one end of the elastic portion 142 is connected to the cylindrical portion 141, and the other end of the elastic portion 142 extends toward the connection plate 13 and forms an abutment surface 1421. Alternatively, the outer contour of the column portion 141 is adapted to the contour of the pre-fixing hole 23. When the pre-hanging post 14 is inserted into the pre-fixing hole 23, the post portion 141 of the pre-hanging post 14 is inserted into the pre-fixing hole 23, the elastic portion 142 deforms when passing through the pre-fixing hole 23, and after passing through the pre-fixing hole 23, the elastic portion 142 deforms and resets, so that the abutting surface 1421 is in limited abutting contact with the mounting surface 21, and the sound generating device is fixed on the mounting surface 21.

In an embodiment, the column portion 141 is formed with a deformation cavity 1411 and a notch 1412 communicating with the deformation cavity 1411, an end of the elastic portion 142 away from the abutment surface 1421 is connected with an inner wall of the notch 1412, and the elastic portion 142 corresponds to the notch 1412.

In this embodiment, as shown in fig. 1 and 9, by arranging the cylindrical portion 141 in a cylindrical structure, that is, forming a deformation cavity 1411 and a notch 1412 communicating with the deformation cavity 1411 in the cylindrical portion 141, and arranging the elastic portion 142 in the notch 1412, or arranging the elastic portion 1412 corresponding to the notch 1412, one end of the elastic portion 142 away from the abutment surface 1421 is connected with the inner wall of the notch 1412, when the elastic portion 142 passes through the pre-fixing hole 23, one end of the elastic portion 142 adjacent to the abutment surface 1421 deforms toward the deformation cavity 1411 through the notch 1412, that is, the deformation cavity 1411 and the notch 1412 provide a deformation space and an avoidance space for deformation of the elastic portion 142.

It will be appreciated that the post portion 141 and the elastic portion 142 may be formed integrally, which may improve the structural strength of the pre-suspension post 14 and simplify the processing steps. Of course, in other embodiments, the column portion 141 and the elastic portion 142 may be configured as separate structures, and then connected together by other connecting structures, such as welding, bonding, fastening, or detachable connecting structures, which are not limited herein.

Optionally, the pre-hanging column 14 and the connecting plate 13 are integrally formed, that is, the column portion 141 and the connecting plate 13 are integrally formed, so that the connection stability and the connection strength of the pre-hanging column 14 and the connecting plate 13 can be effectively improved, and the processing steps are simplified.

In the present embodiment, as shown in fig. 1 to 3, the connection plate 13 is formed with the communication port 131 that communicates with the deformation chamber 1411. It will be appreciated that the arrangement is such that the deformation chamber 1411 is integrally formed with the pre-hang post 14 of the connection plate 13 through the communication port 131. Of course, the deformation cavity 1411 may be formed by forming the notch 1412 in the pre-hang post 14 and then forming the deformation cavity 1412 by the notch 1412, which is not limited herein.

In order to facilitate improvement of the assembly efficiency of the sound generating device, as shown in fig. 1 to 9, in this embodiment, optionally, the extending direction of the notch 1412 coincides with the extending direction of the pre-hanging post 14. The direction of extension of the deformation chamber 1411 coincides with the direction of extension of the pre-post 14. In order to further improve the deformability of the elastic portion 142 and the support strength after assembly, the elastic portion 142 is extended in the extending direction of the pre-hanging post 14 as shown in fig. 1 to 9.

In one embodiment, the elastic portion 142 has an inner sidewall 1422 facing the deformation chamber 1411 and an outer sidewall 1423 facing away from the deformation chamber 1411, wherein the outer sidewall 1423 forms an angle with the axial direction of the deformation chamber 1411 of more than 3 °.

It can be understood that, as shown in fig. 2 to 5, by setting the outer side wall 1423 of the elastic portion 142 in the extending direction of the pre-hanging post 14 to form an included angle, on one hand, the deformability of the elastic portion 142 can be improved, and on the other hand, when the sound generating device is assembled on the mounting surface 21 of the vehicle, after the elastic portion 142 is elastically reset, the contact area between the abutting surface 1421 and the mounting surface 21 is increased, so as to realize pre-positioning, and at the same time, realize pre-fixing, and cancel manual auxiliary positioning.

In this embodiment, the outer sidewall 1423 of the elastic portion 142 may be optionally provided with a cambered surface, or may be provided with a convex cambered surface. Alternatively, the cylindrical portion 141 of the pre-hanging post 14 is cylindrically disposed. It will be appreciated that the deformation chamber 1411 is cylindrical in shape.

In one embodiment, as shown in FIG. 5, the inner sidewall 1422 is disposed parallel to the axial direction of the deformation chamber 1411. Optionally, the inner sidewall 1422 of the elastic portion 142 may be disposed with an arc surface, or may be disposed with a concave arc surface. By arranging the inner sidewall 1422 of the elastic portion 142 in parallel with the axial direction of the deformation chamber 1411, the molding efficiency of the pre-suspension post 14 is further improved.

In the present embodiment, as shown in fig. 5, the distance from the outer sidewall 1423 to the inner sidewall 1422 gradually increases from the end of the elastic portion 142 away from the abutment surface 1421 to the end of the elastic portion 142 adjacent to the abutment surface 1421. By this arrangement, the contact surface 1421 of the elastic portion 142 can be effectively ensured, and the contact area between the contact surface 1421 and the mounting surface 21 can be increased, thereby improving the pre-fixing stability.

In another embodiment, the inner sidewall 1422 of the elastic portion 142 may be disposed parallel to the outer sidewall 1423, i.e. the elastic portion 142 is disposed in an inclined structure as a whole, which is not limited herein. Of course, the inner sidewall 1422 of the elastic portion 142 may be disposed not parallel to the outer sidewall 1423, and the included angle formed between the inner sidewall 1422 of the elastic portion 142 and the axial direction of the deformation cavity 1411 is greater than 0.5 °, i.e. the inner sidewall 1422 is disposed obliquely, which is not limited herein.

In an embodiment, the elastic portion 142 further has a first sidewall 1424 and a second sidewall 1425 facing the inner wall of the notch 1412, and the distance between the first sidewall 1424 and the second sidewall 1425 is defined as the width of the elastic portion 142, where the width of the elastic portion 142 is less than 1/2 of the diameter of the pillar portion 141.

In the present embodiment, as shown in fig. 1 to 6, the distance between the first sidewall 1424 and the second sidewall 1425 of the elastic portion 142 gradually increases from the inner sidewall 1422 to the outer sidewall 1423. It can be appreciated that by setting the width of the elastic portion 142 to be smaller than half the diameter of the cylindrical portion 141, the deformability and structural strength of the elastic portion 142 are ensured, and the problems such as breakage occurring during deformation of the elastic portion 142 are avoided.

As shown in FIG. 6, a distance D between an end of the first side wall 1424 adjacent to the outer side wall 1423 and an end of the second side wall 1425 adjacent to the outer side wall 1423 is defined, and a maximum distance D between the outer wall of the pillar portion 141 of the pre-hanging pillar 14 and the abutting surface 1421 of the elastic portion 142 adjacent to the outer side wall 1423 is defined, wherein (D-D)/2 is equal to or greater than 0.6mm. It will be appreciated that the arrangement effectively ensures the area of the abutment surface 1421 of the elastic portion 142, thereby increasing the contact area between the abutment surface 1421 and the mounting surface 21 and improving the pre-fixing stability.

In one embodiment, the extension length of the elastic portion 142 along the axial direction of the deformation cavity 1411 is greater than or equal to 1/3 of the extension length of the cylindrical portion 141. In the present embodiment, as shown in fig. 5, the distance from the fixed end of the elastic portion 142 to the connection plate 13 is smaller than the extension length of the column portion 141. Alternatively, the fixed end of the elastic portion 142 is located at 1/3 of the extension length of the column portion 141.

It can be understood that by limiting the extension length of the elastic portion 142 to 1/3 of the extension length of the cylindrical portion 141, the deformability and structural strength of the elastic portion 142 can be ensured, and the problems such as breakage occurring during the deformation of the elastic portion 142 can be avoided.

In one embodiment, as shown in fig. 1 to 5, the end of the cylindrical portion 141 remote from the connection plate 13 is formed with a guide tapered surface 1413. It will be appreciated that such an arrangement facilitates the easy and quick threading of the pre-hang post 14 into the pre-attachment hole 23 for guiding purposes during assembly of the sound generating device to the vehicle.

In one embodiment, the pre-hanging columns 14 include a plurality of pre-hanging columns 14, and the plurality of pre-hanging columns 14 are arranged on the connecting plate 13 at intervals, and the number of the pre-fixing holes 23 is consistent with the number of the pre-hanging columns 14. It can be appreciated that the plurality of pre-hanging posts 14 are provided, so that when the sound generating device is assembled on the vehicle, the plurality of pre-hanging posts 14 are matched with the plurality of pre-fixing holes 23 to realize the pre-positioning and pre-fixing of the sound generating device, and the stability of the connecting structure is enhanced.

Alternatively, the fixing holes 132 include a plurality of fixing holes 132 spaced apart from the connecting plate 13, and the number of the fixing holes 132 corresponds to the number of the fastening holes 22. In the present embodiment, the plurality of fixing holes 132 are disposed at intervals along the circumferential direction of the connecting plate 13, so that when the sound generating device is assembled on the vehicle, the plurality of fasteners sequentially penetrate through the fixing holes 132 and the fastening holes 22, so as to enhance the assembling stability of the sound generating device.

In this embodiment, the pre-hanging post 14 is arranged on the basin stand 1 of the sounding device to be in interference fit with the metal plate of the vehicle body, and the pre-hanging post 14 is additionally provided with a back-off structure, so that the pre-hanging post 14 can be assembled into the pre-fixing hole 23 without complex sliding blocks or inclined tops, and is never dropped unless the elastic part 142 (buckle) is intentionally moved or broken by strong force if the pre-hanging post 14 is taken off.

It can be appreciated that the post portion 141 of the pre-hanging post 14 is partially hollowed out to form a popup structure, namely the elastic portion 142, so that the post-assembly sound-emitting device can be effectively clamped on the mounting surface 21 of the vehicle after assembly, is prevented from falling off, can be precisely positioned and is easy to assemble, and the problem that a station is moved under the condition that a screw is not locked after the sound-emitting device is assembled is effectively solved.

As shown in fig. 7 to 9, the present invention also proposes a vehicle including a vehicle body provided with a sheet metal member 2, the sheet metal member 2 being formed with a mounting surface 21, and the above-described sound emitting device connected to the mounting surface 21 by a fastener. The specific structure of the sound generating device refers to the foregoing embodiments, and since the vehicle adopts all the technical solutions of all the foregoing embodiments, at least the sound generating device has all the beneficial effects brought by the technical solutions of the foregoing embodiments, which are not described in detail herein.

In the present embodiment, the sheet metal member 2 is provided on the body of the vehicle body, and the sheet metal member 2 is formed with the mounting surface 21. Alternatively, the fastening holes 22 include a plurality of fastening holes 22 that are spaced apart in the circumferential direction of the mounting surface 21. It can be appreciated that the main body is further provided with a gasket 3, and the gasket 3 is arranged between the mounting surface 21 and the connecting plate 13, so that the sound generating device can be protected in the assembly process, and the sound generating device is prevented from being damaged in the assembly process. Optionally, the distance from the abutting surface 1421 of the elastic portion 142 of the pre-hanging post 14 to the connecting plate 13 is equal to the thickness of the sheet metal part 2, so that not only can the precise positioning be realized, but also the pre-fixing effect can be improved.

It will be appreciated that, in order to position the spacer 3, to avoid the problem of displacement of the spacer 3 during the assembly process, the pre-fixing hole 23 of the spacer 3 corresponding to the mounting surface 21 is provided with a positioning hole, a positioning slot, a positioning notch, or other structures, which are not limited herein.

The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all equivalent structural modifications made by the present description and accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the present invention.

Claims

1. The utility model provides a sound generating mechanism, is applied to the vehicle, the vehicle is equipped with the installation face, fastening hole and two at least pre-fixing holes have been seted up to the installation face, its characterized in that, sound generating mechanism includes:

2. The sound generating apparatus according to claim 1, wherein each of the pre-hanging posts includes a cylindrical portion and an elastic portion, one end of the elastic portion is connected to the cylindrical portion, and the other end of the elastic portion extends toward the connection plate and forms an abutment surface;

3. The sound generating apparatus according to claim 2, wherein the column portion is formed with a deformation chamber and a notch communicating with the deformation chamber, an end of the elastic portion remote from the abutment surface is connected to an inner wall of the notch, and the elastic portion corresponds to the notch.

4. The sound generating apparatus according to claim 3, wherein the column portion and the elastic portion are of an integrally formed structure;

and/or the column body and the connecting plate are of an integrated structure;

5. The sound emitting device of claim 3, wherein the elastic portion has an inner sidewall facing the deformation chamber and an outer sidewall facing away from the deformation chamber, the outer sidewall forming an angle of greater than 3 ° with an axial direction of the deformation chamber.

6. The sound generating apparatus of claim 5, wherein the inner sidewall is disposed parallel to an axial direction of the deformation chamber; or, the inner side wall and the outer side wall are arranged in parallel;

7. The sound emitting device of claim 5, wherein the resilient portion further has a first side wall and a second side wall facing the inner wall of the gap, defining a distance between the first side wall and the second side wall as a width of the resilient portion, the width of the resilient portion being less than 1/2 of a diameter of the cylindrical portion.

8. The sound generating apparatus according to claim 3, wherein an extension length of the elastic portion in an axial direction of the deformation chamber is greater than or equal to 1/3 an extension length of the column portion;

9. The sound generating apparatus according to any one of claims 1 to 8, wherein the pre-hanging columns include a plurality of the pre-hanging columns, the plurality of the pre-hanging columns being arranged at intervals on the connection plate, the number of the pre-fixing holes being identical to the number of the pre-hanging columns;

10. A vehicle comprising a vehicle body provided with a sheet metal part formed with a mounting surface and the sound generating device according to any one of claims 1 to 9, the sound generating device being connected to the mounting surface by a fastener.