CN113993039A

CN113993039A - Basin stand structure, loudspeaker and sound production equipment

Info

Publication number: CN113993039A
Application number: CN202111237453.2A
Authority: CN
Inventors: 周江豹; 王爱轩
Original assignee: Weifang Geldanna Electronic Technology Co ltd
Current assignee: Weifang Geldanna Electronic Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-01-28

Abstract

The invention discloses a basin stand structure, a loudspeaker and sound production equipment, wherein the basin stand structure comprises a basin stand body and a chassis, the basin stand body is a plastic part, the basin stand body is provided with a fixing hole, and the wall of the fixing hole is provided with an inserting groove; the chassis is a metal piece, the chassis comprises a chassis body and plug-in components arranged on the periphery of the chassis body, the basin frame body and the chassis are integrally formed by injection molding through matching of the plug-in components and the slots, and the thickness of the plug-in components is smaller than that of the chassis body. The basin stand structure can improve the stress concentration phenomenon caused by injection molding of the basin stand structure made of plastic materials, thereby reducing cracking.

Description

Basin stand structure, loudspeaker and sound production equipment

Technical Field

The invention relates to the technical field of sound generating device structures, in particular to a basin stand structure, a loudspeaker and sound generating equipment.

Background

The loudspeaker is used as an acoustoelectric transducer, and the basin frame is an important part of the acoustoelectric transducer, and is used for fixing the loudspeaker in the sound box and protecting the loudspeaker. The basin frame structure of current speaker is in the structure that adopts plastic basin frame and metal insert injection moulding, because the thermal expansion coefficient of plastic basin frame and metal insert differs 5 ~ 10 times, the basin frame that has the inserts is at the refrigerated in-process of injection moulding, and the plastic is also big because of the big shrink of thermal expansion coefficient, embraces the metal insert easily, so, the plastic around the inserts can produce the internal stress, causes stress concentration phenomenon for basin frame structure can take place stress release and cause the fracture risk of basin frame in high low temperature test or use.

Disclosure of Invention

The invention mainly aims to provide a basin stand structure, aiming at solving the problem that the structure of the combination of a plastic basin stand and a metal insert is easy to crack.

In order to achieve the above object, the present invention provides a frame structure for a basin, the frame structure comprising:

the basin stand comprises a basin stand body, wherein the basin stand body is a plastic part, the basin stand body is provided with a fixing hole, and the wall of the fixing hole is provided with a slot; and

the chassis, the chassis is the metalwork, the chassis includes the chassis body and locates the peripheral plug-in components of chassis body, the basin frame body with the chassis passes through the plug-in components with the integrative injection moulding of cooperation of slot, the thickness of plug-in components is less than the thickness of chassis body.

In an embodiment, the chassis body comprises a bottom plate and a side plate extending along the periphery of the bottom plate in a bending manner, the bottom plate and the side plate are enclosed to form an accommodating groove, the plug-in is arranged on the periphery of the side plate and extends towards one side away from the bottom plate in a bending manner, and the thickness of the plug-in is at least smaller than that of the side plate.

In one embodiment, the thickness of the side plate is equal to the thickness of the bottom plate;

and/or the insert is arranged in the middle of the end part of the side plate in the thickness direction.

In one embodiment, the proportion of the thickness of the insert to the thickness of the side plate is greater than or equal to 1/2 and less than or equal to 2/3.

In one embodiment, the insert abuts against each slot wall of the slot.

In one embodiment, the frame body comprises a top support ring, a bottom fixing part and at least two connecting arms connecting the inner edge of the top support ring and the outer edge of the bottom fixing part, the top support ring, the bottom fixing part and the connecting arms are enclosed to form a mounting groove, and the fixing hole is formed in the middle of the bottom fixing part.

In an embodiment, the basin stand body further comprises an installation part, the installation part is formed by the top support ring extending perpendicularly towards the surface of the bottom fixing part, and installation holes are formed in the installation part.

In an embodiment, the mounting portion includes a connecting section and a mounting section, the connecting section is connected to the top support ring, the mounting section is formed by bending and extending one end of the connecting section, which is far away from the top support ring, and the mounting section is provided with at least two mounting holes.

The invention also provides a loudspeaker which comprises a magnetic circuit system, a vibration system and the basin frame structure, wherein the vibration system is arranged on the basin frame main body, and the magnetic circuit system is arranged on the chassis and is opposite to the vibration system.

The invention further provides sound production equipment which comprises a shell and the loudspeaker arranged on the shell, wherein the loudspeaker is the loudspeaker.

The basin stand structure comprises a basin stand body and a chassis, wherein the basin stand body is a plastic part, the chassis is a metal part, the basin stand body and the chassis are matched with each other through a plug-in and a slot to be integrally injection-molded, the chassis comprises a chassis body and the plug-in, the thickness of the plug-in is smaller than that of the chassis body, and therefore the thickness of the plug-in inserted into the slot in the chassis is reduced, the contact area between the basin stand body made of the plastic material and the chassis made of the metal material is reduced, deformation of the plastic can be improved in the molding and cooling process, the internal stress of the plastic part around the plug-in is effectively reduced, the stress concentration phenomenon at the matching position of the plug-in and the chassis is relieved, and accordingly cracking of the basin stand body is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a speaker according to an embodiment of the present invention;

FIG. 2 is a schematic view of the speaker of FIG. 1 from another perspective;

FIG. 3 is a cross-sectional view of the loudspeaker shown in FIG. 1;

FIG. 4 is a cross-sectional view of one embodiment of the frame structure of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Loudspeaker	13	Chassis
10	Basin stand structure	131	Chassis body
				11	Basin rack body	131a	Accommodating tank
111	Top support ring	1311	Base plate
				113	Bottom fixing part	1313	Side plate
1131	Fixing hole	133	Plug-in component
				1133	Inserting groove	30	Vibration system
115	Connecting arm	31	Vibrating diaphragm
				117	Mounting part	33	Voice coil
1171	Connecting segment	50	Magnetic circuit system
				1173	Mounting segment	51	Magnet
1173a	Mounting hole	53	Magnetic conductive plate

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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

Also, the meaning of "and/or" and/or "appearing throughout is meant to encompass three scenarios, exemplified by" A and/or B "including scenario A, or scenario B, or scenarios where both A and B are satisfied.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a frame structure 10.

Referring to fig. 4, in an embodiment of the present invention, the frame structure 10 includes a frame body 11 and a chassis 13, the frame body 11 is a plastic component, the frame body 11 is provided with a fixing hole 1131, and a slot 1133 is formed on a hole wall of the fixing hole 1131; the chassis 13 is a metal piece, the chassis 13 includes a chassis body 131 and a plug-in 133 arranged on the periphery of the chassis body 131, the frame body 11 and the chassis 13 are integrally injection-molded through the cooperation of the plug-in 133 and the slot 1133, and the thickness of the plug-in 133 is smaller than that of the chassis body 131.

Here, the thickness of the plug-in 133 inserted into the slot 1133 through the thinned chassis 13 reduces the contact area between the plastic frame body 11 and the metal chassis 13, and the plastic deformation can be improved in the molding and cooling process, thereby effectively preventing cracking.

In this embodiment, the frame structure 10 is applied to the speaker 100 as a mounting base and a protective housing of the speaker 100 to mount, fix and protect the parts of the vibration system 30 and the magnetic circuit system 50 of the speaker 100. Specifically, basin frame structure 10 includes basin frame body 11, mainly plays the effect of fixed vibration system 30, and basin frame body 11 is the plastic part, convenient processing. The frame body 11 is provided with a fixing hole 1131, and the fixing hole 1131 is used for accommodating and fixing the chassis 13, so that the cross section shape of the chassis 13 matches with the shape of the fixing hole 1131, for example, circular or square. The chassis 13 is a metal member, which can fix the magnetic circuit system 50, provide an installation foundation for the magnetic circuit system 50, and transmit magnetic lines of force for the magnetic circuit system 50, so that the specific material thereof may be soft magnetic material such as pure iron, cast iron, steel, silicon steel sheet or copper, and is not limited herein.

It can be understood that, for convenience of processing, the insert 133 and the chassis body 131 are integrally formed, and the thickness of the insert 133 is smaller than that of the chassis body 131, that is, when the chassis 13 is formed, the insert 133 may be thinned. Here, slot 1133 has been seted up at the pore wall of fixed orifices 1131, and this slot 1133 can be an annular groove, and correspondingly, plug 133 also is the annular, is located the periphery of chassis body 131, only can through the attenuate processing on the one hand, can make things convenient for plug 133's processing, and on the other hand also can form comparatively stable connection through increasing area of contact. Here, chassis 13 and basin frame body 11 are injection moulding as an organic whole, and optional adoption nanometer injection moulding can make and form good combination between plug-in 133 and the cell wall of slot 1133, guarantees the precision and the structural stability of basin frame structure 10, and then improves the installation stability and the installation precision of speaker 100.

Certainly, in other embodiments, the periphery of the fixing hole 1131 may be provided with a plurality of slots 1133 arranged at intervals, the opening shape of the slot 1133 is not limited, for example, it is rectangular or circular, and correspondingly, the plurality of inserts 133 are also provided, and are distributed at intervals on the periphery of the frame body 11, and correspond to the slots 1133 one by one, so that the material of the inserts 133 can be saved.

The basin stand structure 10 comprises a basin stand body 11 and a chassis 13, wherein the basin stand body 11 is a plastic part, the chassis 13 is a metal part, the two are matched with each other through a plug-in 133 and a slot 1133 to be integrally formed through injection molding, the chassis 13 comprises a chassis body 131 and the plug-in 133, and the thickness of the plug-in 133 is smaller than that of the chassis body 131, so that the thickness of the plug-in 133 inserted into the slot 1133 of the chassis 13 is reduced, the contact area between the basin stand body 11 made of the plastic material and the chassis 13 made of the metal material is reduced, the deformation of the plastic can be improved in the forming and cooling process, the internal stress of the plastic part around the plug-in 133 is effectively reduced, the stress concentration phenomenon at the matching part of the two is relieved, and the occurrence of the cracking phenomenon of the basin stand body 11 is reduced.

Optionally, in one embodiment, the insert 133 abuts against each of the walls of the slot 1133. It can be understood that the surface of the insert 133 abuts against the walls of the slot 1133, so as to form a state of completely covering the insert 133, that is, the thickness of the insert 133 is reduced and can be filled with injection molding material without gaps, which increases the thickness of the frame body 11 at the periphery of the slot 1133, increases the strength of the frame body 11 itself, and also improves the ability to resist deformation and cracking.

With reference to fig. 4, in an embodiment, the chassis body 131 includes a bottom plate 1311 and a side plate 1313 bent and extended along a periphery of the bottom plate 1311, the bottom plate 1311 and the side plate 1313 enclose to form a receiving groove 131a, the insert 133 is disposed on a periphery of the side plate 1313 and bent and extended toward a side away from the bottom plate 1311, and a thickness of the insert 133 is at least smaller than a thickness of the side plate 1313.

In this embodiment, the chassis body 131 is U-shaped, and the material of the chassis body 131 may be carbon steel, that is, the chassis body 131 may be called U-iron, and includes a bottom plate 1311 and a side plate 1313, and the side plate 1313 is formed by bending and extending the periphery of the bottom plate 1311. In a specific machining process, the chassis body 131 can be formed by forging or casting, and the bottom plate 1311 and the side plate 1313 are distinguished by bending, so that the machining process is simple and convenient, and the machining efficiency is improved. The bottom plate 1311 and the side plate 1313 enclose and form a containing groove 131a, so that the magnetic circuit system 50 can be installed and fixed, the magnetic circuit system 50 is limited in the vertical direction and the circumferential direction, and the structural stability of the loudspeaker 100 is guaranteed. The insert 133 is disposed at the periphery of the side plate 1313 and extends to be bent toward a side away from the bottom plate 1311, that is, toward the outside of the receiving groove 131a, so as to be engaged with the insertion groove 1133 of the frame body 11. The thickness of the plug-in piece 133 is at least smaller than the thickness of the side plate 1313, namely the thickness of the plug-in piece is smaller than the thickness of the side plate 1313 or smaller than the thickness of the side plate 1313 and the bottom plate 1311, the thickness of the plug-in piece 133 is reduced, the contact area with a plastic basin frame can be reduced, stress concentration is reduced, and therefore cracking is prevented. The structure of the chassis body 131 can be simplified, and a stable mounting structure is formed, which is beneficial to the stability of the frame structure 10. Here, the plug 133 may be provided at an end portion of the side plate 1313, or may be provided at a middle portion of the side plate 1313 in the vertical direction, and may be set as needed.

Certainly, in order to improve the structural strength, the end part of the side plate 1313 far away from the bottom plate 1311 is bent to form a bent part, and the plug-in 133 is connected to the end face of the bent part, so that the thinned plug-in 133 is prevented from being bent and broken or the connection part with the side plate 1313 is prevented from being bent to cause low structural strength, and the overall structural strength and stability of the chassis 13 are effectively improved; and also the volume of the accommodating groove 131a can be increased.

In one embodiment, the side plate 1313 has a thickness equal to that of the bottom plate 1311;

and/or, the insert 133 is provided at the middle of the end of the side plate 1313 in the thickness direction.

In this embodiment, the thickness of the side plate 1313 is set to be the same as that of the bottom plate 1311, so that the processing is convenient, and the overall strength of the chassis body 131 is uniform, so that the stress is uniform, and the use performance of the chassis body 131 is improved. Similarly, on the basis that the thickness of the side plate 1313 is the same as that of the bottom plate 1311, the plug-in unit 133 is arranged in the middle of the end of the side plate 1313 in the thickness direction, that is, when the plug-in unit 133 is manufactured, the two opposite surfaces are uniformly thinned, so that the structural stability of the plug-in unit 133 is good, the plug-in unit 133 is not prone to fracture, and the structural strength of the chassis body 131 is improved.

In one embodiment, the thickness of the insert 133 is greater than or equal to 1/2 and less than or equal to 2/3 relative to the thickness of the side panel 1313.

In this embodiment, in order to reduce the contact area between the plug 133 and the frame body 11, the thickness of the plug 133 should not be too large, and certainly, in order to prevent the connection position between the plug 133 and the side plate 1313 or the plug 133 itself from being broken, the thickness of the plug 133 should not be too small, and here, the proportion range of the thickness of the plug 133 to the thickness of the side plate 1313 is set to be greater than or equal to 1/2 and less than or equal to 2/3, for example, 1/2, 7/12, 2/3, and the like, so that the structural strength and stability of the chassis 13 can be ensured while the stress concentration occurring in the frame body 11 during the injection molding cooling process is relieved, and the usability of the frame structure 10 can be ensured.

Referring to fig. 1 and 4, in an embodiment, the frame body 11 includes a top support ring 111, a bottom fixing portion 113, and at least two connecting arms 115 connecting an inner edge of the top support ring 111 and an outer edge of the bottom fixing portion 113, the top support ring 111, the bottom fixing portion 113, and the connecting arms 115 surround to form a mounting groove, and the fixing hole 1131 is formed in a middle portion of the bottom fixing portion 113.

In this embodiment, the frame body 11 includes a top support ring 111, a bottom fixing frame, and a connecting arm 115, wherein the connecting arm 115 connects the top support ring 111 and the bottom fixing portion 113, thereby enclosing a mounting groove for the vibration system 30 to operate. Here, the shape of the top support ring 111 may be circular, square, or other polygonal ring or irregular ring, etc. for supporting the vibration system 30 and providing a mounting base for the vibration system 30. The center of the bottom fixing portion 113 is opened with a fixing hole 1131, and the fixing hole 1131 matches with the shape of the top support ring 111, so that the whole structure is more compact and stable. The wall of the fixing hole 1131 is provided with an annular slot 1133, so as to be matched and fixed with the plug 133 of the chassis 13. The connecting arm 115 is provided with at least two, for example, two, four, six, or the like, so as to ensure stability of the frame body 11. The connecting arm 115 may have a circular, square or other cross-section, and the like, and is not limited thereto. Thus, a hollow hole is formed between two adjacent connecting arms 115, and the arrangement of the structure can reduce the weight of the frame while ensuring the support of the chassis 13 and the vibration system 30, and is also beneficial to the heat dissipation of the speaker 100.

Referring to fig. 1 and 2, it can be understood that the frame body 11 and the chassis 13 are insert injection molded, so that the top support ring 111, the bottom fixing portion 113 and the connecting arm 115 are an integral structure, and the structural strength and stability of the frame structure 10 are further improved. The frame body 11 is substantially tapered, i.e., the top support ring 111 has a size larger than that of the bottom fixing part 113, so that the receiving groove 131a is formed in a bowl shape. Optionally, the longitudinal section of the connecting arm 115 is set to be a curved surface, so that the deformation resistance of the basin stand body 11 under the vibration of the ring edge moving along the axial direction and the elastic wave is improved, a certain buffering effect on the resonance of the basin stand structure 10 can be achieved, and the resonance phenomenon is reduced. Of course, in other embodiments, the frame body 11 may have a box shape or other shapes.

Specifically, set up top support ring 111 and be the ring form, bottom fixed part 113 also is the ring form, and the central line of top support ring 111 overlaps mutually with the central line of bottom fixed part 113 to further reduce the stress concentration point of basin frame body 11, prevent to appear the crackle in the cooling process of moulding plastics, guarantee structural stability. The top support ring 111 is formed with an annular step groove, and the edge of the diaphragm 31 of the vibration system 30 can be overlapped at the step groove and fixed by a pressing block, so as to better protect and fix the diaphragm 31.

In addition, the bottom fixing portion 113 has a certain thickness in the axial direction thereof, and the thickness of the plastic material that is fitted with the insert 133 can be further increased, so that the strength of the frame body 11 is increased, and the deformation resistance is improved. In order to match with other components, one side of the bottom fixing portion 113 facing the top support ring 111 is flared, a fixing hole 1131 is formed in the bottom of the flared shape, and the insert 133 corresponds to the middle of the hole wall of the fixing hole 1131 in the axial direction of the fixing hole 1131, so that the structural strength of the frame body 11 can be further improved, and cracks can be prevented from being generated due to local thinness. Meanwhile, in order to increase the connection stability, the plurality of connection arms 115 are arranged as a group of every two adjacent to each other, and 6 groups are uniformly distributed in the circumferential direction of the frame body 11 at intervals, so that the structural stability of the frame body 11 is further improved.

Referring to fig. 4, in an embodiment, the frame body 11 further includes a mounting portion 117, the mounting portion 117 is formed by extending the top support ring 111 toward the surface of the bottom fixing portion 113, and the mounting portion 117 is opened with a mounting hole 1173 a.

In this embodiment, the frame body 11 further includes a mounting portion 117 for connecting and fixing with the applied sound generating device. Here, the mounting part 117 is formed by vertically extending the surface of the top support ring 111 toward the bottom fixing part 113, and the mounting hole 1173a is opened at the mounting part 117, and is connected by a screw, thereby forming a stable connection structure, securing the installation stability of the frame structure 10, and facilitating the assembling and disassembling maintenance. Of course, in other embodiments, the mounting portion 117 may also be a sheet or a plate, and directly connected by bonding; or a lug or a clamping hole is arranged and connected through a buckle, and the like. The top support ring 111 and the mounting part 117 are fixedly connected in a combined mode, the connecting area can be increased by increasing the area of the mounting part 117, the limitation of the space at the periphery of the top support ring 111 is avoided, the mounting stability of the basin stand structure 10 can be obviously improved, and the whole volume of the basin stand body 11 is not increased.

Referring to fig. 4 again, in an embodiment, the mounting portion 117 includes a connecting section 1171 and a mounting section 1173, the connecting section 1171 is connected to the top support ring 111, the mounting section 1173 is formed by bending and extending one end of the connecting section 1171 away from the top support ring 111, and the mounting section 1173 is provided with at least two mounting holes 1173 a.

In this embodiment, in order to connect to the sound generating apparatus, the mounting portion 117 includes a connecting section 1171 formed to extend vertically along the bottom surface of the top support ring 111, and a mounting section 1173 formed to extend along an end portion of the connecting section 1171, and a mounting hole 1173a is opened in the mounting section 1173. That is, the connecting section 1171 leads the mounting position from the top end to the bottom end of the frame body 11, so that the mounting portion 117 can be disposed using the space of the periphery of the bottom end, reducing the space in which the top end extends outward, so that the volume of the entire frame structure 10 is further reduced. Specifically, the installation section 1173 is circular ring-shaped, and at least two have been seted up to mounting hole 1173a, and use the center of installation section 1173 as central symmetric distribution to can provide stable mounting structure for basin frame structure 10, make basin frame structure 10 atress even, difficult emergence is rocked. Optionally, the mounting section 1173 is provided with four mounting holes 1173a, so as to further improve the mounting stability of the frame structure 10.

Referring to fig. 1 to 3, the present invention further provides a speaker 100, where the speaker 100 includes a magnetic circuit system 50, a vibration system 30, and the frame structure 10, the vibration system 30 is mounted on the frame body, and the magnetic circuit system 50 is mounted on the chassis 13 and is opposite to the vibration system 30. Since the frame structure 10 of the speaker 100 adopts all the technical solutions of all the foregoing embodiments, at least all the beneficial effects brought by the technical solutions of the foregoing embodiments are achieved, and no further description is given here.

The vibration system 30 includes a diaphragm 31 and a voice coil 33 connected to each other, the diaphragm 31 is mounted on the frame body 11, the magnetic circuit system 50 includes a magnet 51, the chassis 13 is formed with an accommodating groove 131a, the magnet 51 is disposed in the accommodating groove 131a, a magnetic gap is formed between the magnet 51 and a groove wall of the accommodating groove 131a, and the voice coil 33 is disposed in the magnetic gap in a penetrating manner.

The chassis 13 is a U-shaped iron, and the magnetic circuit system 50 further includes a magnet 51 as a magnetic yoke in the magnetic circuit system 50, and the magnet 51 is mounted on the bottom plate 1311 of the chassis 13 and forms a magnetic gap with the groove wall of the receiving groove 131 a. In order to enhance the magnetic force lines, the magnetic circuit system 50 further includes a magnetic conductive plate 53, the magnetic conductive plate 53 is disposed on the upper surface of the magnet 51, and the cross-sectional area of the magnetic conductive plate 53 is consistent with the cross-sectional area of the magnet 51. The vibration system 30 includes a diaphragm 31 and a voice coil 33, the diaphragm 31 is connected to the top support ring 111 of the frame structure 10 and gradually tapers toward the magnetic circuit 50, one end of the voice coil 33 is connected to the diaphragm 31, and the other end is suspended in the magnetic gap. After the voice coil 33 is connected and conducted with an external circuit, the voice coil 33 introduces current into a magnetic field formed by the magnetic circuit system 50, so that the voice coil 33 rotates in the magnetic gap to drive the diaphragm 31 to vibrate, and sound production is realized.

The invention also provides a sound generating device (not shown) comprising a housing and a loudspeaker 100 arranged on the housing, wherein the loudspeaker 100 is the loudspeaker 100. Since the speaker 100 of the sound generating apparatus adopts all technical solutions of all the foregoing embodiments, at least all the beneficial effects brought by the technical solutions of the foregoing embodiments are achieved, and no further description is given here.

Here, the sound generating device may be a sound box, a mobile phone, an earphone, and the like, which is not limited herein. Of course, the sound generating device may also be applied in a vehicle as an in-vehicle speaker 100, a consumer speaker 100, etc.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A frame structure, characterized in that, the frame structure includes:

2. The frame structure of claim 1, wherein the chassis body comprises a bottom plate and a side plate extending along the periphery of the bottom plate in a bending manner, the bottom plate and the side plate are enclosed to form a receiving groove, the insert is arranged on the periphery of the side plate and extends towards one side away from the bottom plate in a bending manner, and the thickness of the insert is at least smaller than that of the side plate.

3. The frame structure of claim 2, wherein the side plates have a thickness equal to a thickness of the base plate;

4. The frame structure of claim 3, wherein the ratio of the thickness of the insert to the thickness of the side panel is 1/2 or more and 2/3 or less.

5. The frame structure of claim 1, wherein the insert abuts each slot wall of the slot.

6. The frame structure according to any one of claims 1 to 5, wherein the frame body comprises a top support ring, a bottom fixing portion, and at least two connecting arms connecting an inner edge of the top support ring and an outer edge of the bottom fixing portion, the top support ring, the bottom fixing portion and the connecting arms form a mounting groove in an enclosing manner, and the fixing hole is opened in the middle of the bottom fixing portion.

7. The frame structure of claim 6, wherein the frame body further comprises a mounting portion formed by the top support ring extending vertically toward the surface of the bottom fixing portion, the mounting portion being provided with a mounting hole.

8. The frame structure of claim 7, wherein the mounting portion comprises a connecting section and a mounting section, the connecting section is connected with the top support ring, the mounting section is formed by bending and extending one end of the connecting section, which is far away from the top support ring, and the mounting section is provided with at least two mounting holes.

9. A loudspeaker comprising a magnetic circuit system, a vibration system and a frame structure according to any one of claims 1 to 8, wherein the vibration system is mounted to the frame body, and the magnetic circuit system is mounted to the chassis and disposed opposite the vibration system.

10. A sound generating device, wherein the sound generating device comprises a housing and a speaker disposed in the housing, and the speaker is the speaker according to claim 9.