CN217037451U

CN217037451U - Basin frame assembly, loudspeaker and sound production equipment

Info

Publication number: CN217037451U
Application number: CN202220935476.4U
Authority: CN
Inventors: 姜凤荷; 王书晓
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-07-22
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a frame assembly, a loudspeaker and sound production equipment. The basin stand is of a cylindrical structure with openings at two opposite ends; the apron connect in one of them at the relative both ends of basin frame, and with the basin frame is the setting of body structure, the apron is used for the lid to fit the opening of casing, with the casing encloses to close and forms the holding chamber of basin frame. The technical scheme of the utility model can improve the assembly efficiency of the loudspeaker and reduce the manufacturing cost of the loudspeaker.

Description

Basin frame assembly, loudspeaker and sound production equipment

Technical Field

The utility model relates to the technical field of speakers, in particular to a frame assembly, a speaker using the frame assembly and sound production equipment using the speaker.

Background

At present, the loudspeaker usually comprises a cover plate, a shell, a basin frame, a vibration system and a magnetic circuit system, wherein the cover plate covers the shell and encloses to form an installation cavity, the basin frame is connected to the inner side of the cover plate, and the vibration system and the magnetic circuit system are both installed on the basin frame. When the loudspeaker is assembled, the frame is required to be mounted on the cover plate, and then the combined structure of the frame and the cover plate is mounted on the shell. The frame, the cover plate and the shell need to be assembled in sequence, and at the moment, the assembling steps of the loudspeaker are relatively more, so that the assembling efficiency of the loudspeaker is relatively low. In addition, in the step of assembling the tub frame and the cover plate, the tub frame and the cover plate are fastened by inserting a plurality of screws. Therefore, when the basin frame and the cover plate are assembled, a plurality of screws are required to be aligned with the threaded holes of the basin frame and the threaded holes of the cover plate one by one for screwing and fixing, the assembling process of screwing the screws one by one is also complex, and the assembling efficiency of the loudspeaker is further influenced. In addition, in order to ensure the sealing performance of the connection between the frame and the cover plate, a sealing ring is further required to be disposed between the frame and the cover plate, which results in an increase in the manufacturing cost of the speaker.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a frame assembly for improving the assembling efficiency of a speaker and reducing the manufacturing cost of the speaker.

In order to achieve the above object, the present invention provides a frame assembly for a speaker, the speaker including a housing, an opening formed at one end of the housing, the frame assembly including:

the pot frame is of a cylindrical structure with openings at two opposite ends; and

the cover plate is connected with one of the two ends of the two opposite ends of the basin frame and is arranged in an integrated structure with the basin frame, and the cover plate is used for covering the opening of the shell to form a containing cavity for containing the basin frame.

Optionally, the basin stand and the cover plate are made of metal.

Optionally, the cover plate comprises:

the first plate body is of an annular plate-shaped structure, and the inner side of the first plate body is connected to the basin frame; and

the second plate body is of a cylindrical structure with openings at two opposite ends, one of the two opposite ends of the second plate body is connected to the outer side of the first plate body, and the other end of the second plate body is used for being connected with one end, with the opening, of the shell.

Optionally, an insertion plate is disposed at an end of the second plate body, which is far away from the first plate body, and extends along an axial direction of the second plate body, and a thickness of the insertion plate is smaller than a thickness of the second plate body, and the insertion plate is used for being inserted into an end of the housing, which has an opening.

Optionally, the plug board is circumferentially arranged along the circumferential direction of the second board body;

and/or the wall surface of the second board body, which is provided with the plug board, is abutted against the wall surface of the shell, which is inserted by the plug board.

The utility model also proposes a loudspeaker comprising:

a housing having an opening formed at one end thereof;

the basin stand assembly is the basin stand assembly, a cover plate of the basin stand assembly covers the opening of the shell and is enclosed with the shell to form an accommodating cavity, and a basin stand of the basin stand assembly is accommodated in the accommodating cavity; and

the magnetic circuit system and the vibration system are mounted on the basin frame.

Optionally, one end of the cover plate, which is far away from the basin stand, and one end of the shell, which is provided with an opening, are fixedly bonded;

and/or one end of the shell, which is provided with an opening, is provided with an insertion groove, and one end of the cover plate, which is far away from the basin stand, is inserted into the insertion groove;

and/or the shell comprises a bottom plate and a side plate, the side plate is connected to the bottom plate and arranged along the periphery of the bottom plate in a surrounding mode, and one end, far away from the bottom plate, of the side plate is surrounded to form an opening of the shell.

The utility model also proposes a sound emitting device comprising:

a body; and

the loudspeaker is the loudspeaker, and the loudspeaker is arranged in the machine body.

Optionally, a heat sink is disposed in the housing, and the heat sink abuts against a cover plate of the frame assembly of the speaker.

When the basin stand component is applied to the loudspeaker to be assembled, the basin stand and the cover plate are arranged in an integrated structure to form a part, so that the cover plate in the basin stand component can be directly covered and installed at one end of the opening of the shell in the loudspeaker, and the basin stand is accommodated in the accommodating cavity formed by the cover plate and the shell in a surrounding mode, and the basin stand and the cover plate can be assembled on the shell at one time. So compare apron and basin frame in the speaker among the prior art and be independent setting, make to assemble both apron and basin frame earlier, need the workman to carry out the equipment operation of comparatively complicated screwing one by one through wearing to establish a plurality of screws simultaneously, apron and basin frame in the basin frame subassembly in this scheme are integrative to be set up and make and need not to further assemble both in the equipment process, thereby can reduce the equipment step of speaker and avoid the workman to need carry out the equipment operation of comparatively complicated screwing one by one, so that improve the packaging efficiency of speaker. Meanwhile, the cover plate and the frame are integrally arranged, so that the sealing performance between the cover plate and the frame can be ensured, a sealing piece is not required to be arranged at the joint of the cover plate and the frame to keep sealing like the loudspeaker in the prior art, the use of parts is reduced, and the manufacturing cost of the loudspeaker 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 partially enlarged view of a portion a in fig. 1.

The reference numbers illustrate:

the implementation, functional features and advantages of the present invention will be further described 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 directional indicators (such as upper, lower, 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.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include 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.

Referring to fig. 1, the present invention provides a frame assembly 10, which can be applied to a speaker 100, wherein the speaker 100 includes a housing 30, and an opening can be formed at one end of the housing 30. In one embodiment of the utility model, the frame assembly 10 comprises a frame 11 and a cover plate 13, wherein the frame 11 is a cylindrical structure with openings at two opposite ends; the cover plate 13 is connected to one of the two opposite ends of the basin stand 11 and is integrally arranged with the basin stand 11, and the cover plate 13 is used for covering the opening of the shell 30 to form an accommodating cavity 50 for accommodating the basin stand 11 together with the shell 30.

In an embodiment of the present invention, the frame 11 may be used to mount and support the magnetic circuit system 70 and the vibration system 80 of the speaker 100, so that the parts can be easily assembled into a whole, and then can be mounted on the housing 30 of the speaker 100 in a disposable manner, so as to improve the assembly efficiency of the speaker 100. Wherein, in the direction of the one end of the cover plate 13 to the one end of being close to the cover plate 13 is kept away from to the basin frame 11, the cross sectional area of this basin frame 11 can be to reduce the setting and form centrum-shaped structure to play to assemble the reinforcing and improve the sound production effect of speaker 100 to the sound that vibration system 80 sent in installing on basin frame 11. Of course, the present application is not limited thereto, and in other embodiments, the cross-sectional area of the basin stand 11 may be uniform from the end of the basin stand 11 away from the cover plate 13 to the end of the basin stand 11 close to the cover plate 13. In addition, the sidewall of the basin frame 11 may be provided with a communication hole for communicating the inside and the outside of the basin frame, so that after the magnetic circuit system 70 and the vibration system 80 are installed on the basin frame 11, the space enclosed by the diaphragm 81 of the vibration system 80 and the basin frame 11 may be communicated with the space of the accommodating chamber 50 located outside the basin frame 11. That is, the diaphragm 81, the cover plate 13, and the housing 30 may enclose an acoustic back cavity of the speaker 100. The cover plate 13 can be used for covering the opening of the shell 30, so as to form the accommodating cavity 50 for accommodating the basin stand 11 by enclosing with the shell 30, and further form the acoustic rear cavity by the space outside the basin stand 11 through the accommodating cavity 50 and the space formed by enclosing the vibrating diaphragm 81 of the vibration system 80 and the basin stand 11, so as to ensure that the acoustic rear cavity has an integrated volume, thereby reducing the possibility that the too large air pressure in the acoustic rear cavity causes large resistance to the vibration of the vibrating diaphragm 81 of the vibration system 80, and ensuring the vibration sounding effect of the vibration system 80.

When the frame assembly 10 of the technical scheme of the utility model is applied to the loudspeaker 100 for assembly, as the frame 11 and the cover plate 13 are arranged in an integrated structure to form a part, the cover plate 13 in the frame assembly 10 can be directly covered and installed at one end of the opening of the shell 30 in the loudspeaker 100, and the frame 11 is accommodated in the accommodating cavity 50 formed by enclosing the cover plate 13 and the shell 30, thus the assembly of the frame 11 and the cover plate 13 on the shell 30 can be completed at one time. So compare apron 13 and basin frame 11 in speaker 100 in prior art and be independent setting, make need assemble apron 13 and basin frame 11 both earlier, need the workman to carry out the equipment operation of comparatively complicated screwing one by one through wearing to establish a plurality of screws simultaneously, apron 13 and basin frame 11 in the basin frame subassembly 10 in this scheme are integrative the setting and make and need not to further assemble both in the assembling process, thereby can reduce the equipment step of speaker 100 and avoid the workman to need carry out the equipment operation of comparatively complicated screwing one by one, so that improve speaker 100's packaging efficiency. Meanwhile, the cover plate 13 and the frame 11 are integrally arranged, so that the sealing performance between the cover plate 13 and the frame 11 can be ensured, a sealing part does not need to be arranged at the joint of the cover plate 13 and the frame 11 to keep sealing like the loudspeaker 100 in the prior art, and the use of parts is reduced, so that the manufacturing cost of the loudspeaker 100 is reduced.

In an embodiment of the present invention, the frame 11 and the cover plate 13 are made of metal.

In the present embodiment, the frame 11 is made of metal, which can provide better strength to stably mount and support the magnetic circuit system 70 and the vibration system 80 of the speaker 100. The cover plate 13 is also made of metal, so that the cover plate 13 and the basin stand 11 can be made of the same material, and the cover plate 13 and the basin stand can be integrally formed by the same material, so that the convenience of manufacturing the basin stand assembly 10 is improved, and the manufacturing cost is further reduced due to the simplification of the processing technology. Moreover, when the material of the frame 11 and the cover plate 13 is metal, the frame assembly 10 can have good heat conductivity, so that the heat generated by the speaker 100 in the working process can be dissipated through the frame assembly 10, thereby prolonging the service life of the speaker 100 and improving the power that the speaker 100 can bear. Specific materials of the frame 11 and the cover plate 13 may be iron, aluminum, and the like. It should be noted that, the present application is not limited thereto, and in other embodiments, the materials of the basin frame 11 and the cover plate 13 may be both plastics, or one of the two materials may be metal, and the other material may be plastic.

Referring to fig. 1, in an embodiment of the present invention, the cover plate 13 includes a first plate 131 and a second plate 133, the first plate 131 is a ring-shaped plate structure, and an inner side of the first plate 131 is connected to the frame 11; the second plate 133 is a cylindrical structure with openings at two opposite ends, one of the two opposite ends of the second plate 133 is connected to the outside of the first plate 131 and is disposed around the basin frame 11, and the other is used for connecting with one end of the housing 30 with an opening.

In the present embodiment, the cover 13 is composed of the first plate 131 and the second plate 133, so that the cover 13 can be parallel to the plane of the opening of the housing 30 through the first plate 131, thereby facilitating the cover 13 to cover the opening of the housing 30 well. The second plate 133 can be better inserted into and assembled with the housing 30, so as to increase the connection area between the frame assembly 10 and the housing 30, and thus, the stability of the frame assembly 10 mounted on the housing 30 can be improved. Of course, even if the second plate 133 and the housing 30 are not assembled by insertion, the second plate 133 can abut against the inside or outside of the housing 30 when the two are connected, thereby positioning the assembly of the cover 13 and the housing 30 and preventing the two from sliding to affect the assembly efficiency when the two are assembled. The first plate 131 may be a flat plate, and the second plate 133 may be a straight cylinder, so that the shapes of the first plate 131 and the second plate 133 are regular, thereby facilitating the improvement of the convenience of processing and molding the cover plate 13. At this time, the projection of the first plate 131 on the projection plane perpendicular to the axial direction of the basin frame 11 may be a circular ring, a square ring, or the like; and the projection of the second plate 133 on the projection plane perpendicular to the axial direction of the frame 11 may be circular, square, etc. Of course, it should be noted that the present application is not limited thereto, and in other embodiments, the first plate 131 may be an arc plate, and the second plate 133 may be a curved tube. In addition, the cover plate 13 may include only the first plate 131, and in this case, the first plate 131 may be directly connected to the end of the housing 30 having the opening.

Referring to fig. 1 and fig. 2, in an embodiment of the present invention, a plugging plate 135 is disposed at an end of the second plate 133 away from the first plate 131, the plugging plate 135 extends along an axial direction of the second plate 133, a thickness of the plugging plate 135 is smaller than a thickness of the second plate 133, and the plugging plate 135 is used for being inserted into an end of the housing 30 having an opening.

In the present embodiment, the second plate 133 is inserted and mounted by the insertion board 135 having a relatively small thickness and the housing 30, so that the thickness of the housing 30 can be set to be relatively small, thereby facilitating to reduce the use of raw materials for manufacturing the housing 30, so as to further reduce the manufacturing cost of the speaker 100. Of course, in other embodiments, when the thickness of the second plate 133 is set to be relatively small and the thickness of the housing 30 is set to be relatively large, the second plate 133 may be directly inserted into the housing 30 for assembly.

In an embodiment of the present invention, the insertion plate 135 is circumferentially disposed along the second plate 133.

In the present embodiment, the insertion plate 135 is configured in an annular structure, so that the insertion plate 135 can be inserted and installed in the circumferential direction of the housing 30, thereby further improving the stability and the sealing performance of the connection between the two. Of course, it should be noted that the present invention is not limited thereto, and in other embodiments, the inserting plate 135 may be provided in a plurality of segments spaced apart from each other in the circumferential direction of the second plate 133. In addition, in order to further improve the stability and the sealing performance of the mounting of the frame assembly 10 on the housing 30, the wall surface of the second plate 133 provided with the insertion plate 135 is abutted against the wall surface of the housing 30 into which the insertion plate 135 is inserted, so that the wall surface of the second plate 133 provided with the insertion plate 135 can be abutted and supported by the housing 30.

Referring to fig. 1, the present invention further provides a speaker 100, where the speaker 100 includes a housing 30, a frame assembly 10, a magnetic circuit system 70, and a vibration system 80, and the specific structure of the frame assembly 10 refers to the above embodiments, and since the speaker 100 adopts all technical solutions of all the above embodiments, the speaker 100 at least has all beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated here. Wherein, the cover plate 13 of the basin stand assembly 10 covers the opening of the shell 30 and forms an accommodating cavity 50 with the shell 30 in a surrounding manner, and the basin stand 11 of the basin stand assembly 10 is accommodated in the accommodating cavity 50; the magnetic circuit system 70 and the vibration system 80 are both mounted to the frame 11.

In an embodiment of the present invention, a magnetic circuit system 70 may be used to form the magnetic gap 71 to improve the fixed magnetic field. Specifically, the magnetic circuit system 70 may include a T-shaped core 73 of the magnetic iron 75, a magnet 75 sleeved on the core 73 of the magnetic iron 75, and an upper magnetic plate 77 stacked above the core 73 of the magnetic iron 75 and the magnet 75. The magnet 75 and the core 73 of the magnetic conductive iron 75 may be disposed at an interval to form a magnetic gap 71, and the upper magnetic conductive plate 77 may form an escape space at the magnetic gap 71, so as to allow the voice coil 83 in the vibration system 80 to pass through. At this time, the energized voice coil 83 may be subjected to an ampere force in the fixed magnetic field at the magnetic gap 71 to vibrate along the axial direction thereof, and further, the vibrating diaphragm 81 connected to one end of the voice coil 83 far away from the magnetic gap 71 in the vibration system 80 is driven to vibrate, so as to realize the vibration sound production of the vibrating diaphragm 81. Further, in order to ensure that the voice coil 83 vibrates accurately in the axial direction thereof, a centering lug 90 may be provided between the voice coil 83 and the frame 11.

In an embodiment of the present invention, an end of the cover plate 13 away from the tub 11 and an end of the housing 30 formed with an opening are adhesively fixed.

In this embodiment, the cover plate 13 and the housing 30 are fixed by bonding with glue, so that it can be ensured that there is no gap at the joint, the sealing performance can be ensured without causing a resonance problem, and the acoustic performance of the speaker 100 can be ensured. Meanwhile, the arrangement also avoids the need of arranging connecting structures on the cover plate 13 and the shell 30, thereby being beneficial to improving and ensuring that the structural strength of the cover plate and the shell is not easy to damage. Wherein, the end of the housing 30 with the opening can be opened with a plugging slot 31, so as to place glue in the plugging slot 31, and then when the frame assembly 10 is installed on the housing 30, the plugging plate 135 on the second plate 133 of the cover plate 13 can be inserted into the plugging slot 31 to complete the bonding and fixing more quickly and effectively. It should be noted that, the present application is not limited to this, and in other embodiments, the cover plate 13 may also be fixed by the insertion plate 135 disposed on the second plate 133 of the cover plate 13 and the groove of the housing 30 through interference fit. Alternatively, the second plate 133 of the cover 13 is directly fixed to the end of the housing 30 with the opening by magnetic attraction.

Referring to fig. 1, in an embodiment of the present invention, the housing 30 includes a bottom plate 33 and a side plate 35, the side plate 35 is connected to the bottom plate 33 and disposed around a periphery of the bottom plate 33, and an end of the side plate 35 away from the bottom plate 33 encloses an opening of the housing 30.

In the present embodiment, the housing 30 is composed of both the bottom plate 33 and the side plate 35, so that the structure of the housing 30 is simple, thereby facilitating the process molding thereof. Meanwhile, the accommodating cavity 50 enclosed by the casing 30 and the cover plate 13 may be relatively large, so that an acoustic back cavity formed by combining a space enclosed by the diaphragm 81 of the vibration system 80 of the subsequent speaker 100 and the frame 11 and a space of the accommodating cavity 50 located outside the frame 11 has a large volume. Of course, it should be noted that the present application is not limited thereto, and in other embodiments, the housing 30 may further include a top plate connected to an end of the side plate 35 far from the bottom plate 33 on the basis of the bottom plate 33 and the side plate 35, and in this case, the top plate encloses the opening of the housing 30.

The present invention further provides a sound generating apparatus, which includes a body and a speaker 100, and the specific structure of the speaker 100 refers to the above embodiments, and since the sound generating apparatus adopts all technical solutions of all the above embodiments, the sound generating apparatus at least has all beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein. In which the speaker 100 is installed in a body. The sound production device can be a sound box, a television, a telephone, a tablet computer and other devices with sound production functions.

In an embodiment of the present invention, a heat sink is disposed in the housing, and the heat sink abuts against the cover plate 13 of the frame assembly 10 of the speaker 100.

In this embodiment, the cover plate 13 may be made of metal, so that the cover plate 13 can absorb and dissipate heat generated by the speaker 100. At this time, by providing the heat dissipating fins abutting against the cover plate 13, the heat exchange capacity and effect between the heat dissipating fins and the air can be increased, so that the heat absorbed by the cover plate 13 can be quickly conducted away, and further, the heat generated by the speaker 100 during operation can be quickly dissipated indirectly.

The above description is only a preferred 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. The utility model provides a frame subassembly, is applied to the speaker, the speaker includes the casing, the one end of casing is formed with the opening, its characterized in that, the frame subassembly includes:

the basin stand is of a cylindrical structure with openings at two opposite ends; and

the cover plate is connected to one of the two opposite ends of the basin frame and integrally arranged with the basin frame, and the cover plate is used for covering the opening of the shell to form an accommodating cavity for accommodating the basin frame.

2. The frame assembly of claim 1, wherein the frame and the cover plate are both metal.

3. The frame assembly of claim 1, wherein the cover plate comprises:

4. The frame assembly of claim 3, wherein an end of the second plate remote from the first plate is provided with a plug plate extending in an axial direction of the second plate, the plug plate having a thickness less than that of the second plate for insertion into the open end of the housing.

5. The frame assembly of claim 4, wherein the peg board is circumferentially disposed along the second board body;

6. A loudspeaker, comprising:

a housing having an opening formed at one end thereof;

the basin stand assembly is the basin stand assembly as claimed in any one of claims 1 to 5, a cover plate of the basin stand assembly covers the opening of the shell and is enclosed with the shell to form an accommodating cavity, and a basin stand of the basin stand assembly is accommodated in the accommodating cavity; and

7. The speaker of claim 6, wherein an end of the cover plate remote from the frame is adhesively secured to an end of the housing formed with the opening;

and/or the shell comprises a bottom plate and a side plate, the side plate is connected to the bottom plate and is arranged along the periphery of the bottom plate in a surrounding mode, and one end, far away from the bottom plate, of the side plate is surrounded to form an opening of the shell.

8. A sound generating apparatus, comprising:

a body; and

a loudspeaker according to claim 6 or 7, mounted within the body.

9. The sound generating apparatus of claim 8 wherein a heat sink is provided in said housing, said heat sink abutting a cover plate of a frame assembly of said speaker.