CN214045993U - Loudspeaker and sound box - Google Patents

Abstract

The utility model discloses a speaker and audio amplifier. Wherein, the speaker includes basin frame and magnetic circuit, magnetic circuit includes magnetic conduction spare, magnet spare and magnificent department, magnetic conduction spare can dismantle connect in the basin frame, magnetic conduction spare is equipped with the fixed orifices, magnet spare with magnificent department all is equipped with the connecting hole to accessible connecting piece passes the connecting hole with the fixed orifices, so that magnificent department magnet spare with magnetic conduction spare can be dismantled fixedly. The utility model discloses technical scheme's speaker can improve the efficiency of production equipment, promote the aesthetic property of product appearance.

Description

Loudspeaker and sound box

Technical Field

The utility model relates to an electroacoustic product technical field, in particular to speaker and applied this speaker's audio amplifier.

Background

With the development of the loudspeaker industry, the types and structures of the loudspeakers are more and more abundant. In the process of production and assembly of the loudspeaker in the related art, the magnet, the washer and the magnetic conduction piece in the magnetic circuit system are assembled and fixed, and the magnetic circuit system and the frame are assembled and fixed by different glues. The traditional mode of adopting glue water has certain limitation in the production of the loudspeaker, complex and complicated process and long time for drying the glue water, thereby not only influencing the efficiency of production and assembly, but also easily bringing adverse effect to the appearance of the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a speaker aims at can improving the efficiency of production equipment, promotes the aesthetic property of product appearance.

In order to achieve the above object, the utility model provides a loudspeaker, including basin frame and magnetic circuit, magnetic circuit includes magnetic conduction piece, magnet piece and magnificent department, the magnetic conduction piece can dismantle connect in the basin frame, the magnetic conduction piece is equipped with the fixed orifices, the magnet piece with magnificent department all is equipped with the connecting hole to the accessible connecting piece passes the connecting hole with the fixed orifices, so that magnificent department the magnet piece with the magnetic conduction piece can be dismantled fixedly.

Optionally, the magnetic conduction piece includes base and barrel, the barrel with the base is connected and is enclosed and close and form accommodating space, the base is equipped with the fixed orifices, and with the connection can be dismantled to the basin frame, the china department with the magnet piece connect in the base, and be located in the accommodating space.

Optionally, one side of the base, which deviates from the washer and the magnet piece, is provided with a limiting groove, the bottom of the basin stand is provided with a limiting boss, and the limiting boss abuts against the inside of the limiting groove.

Optionally, an open slot is opened in the side wall of the barrel, the open slot extends to the opening of the barrel, and the magnet piece is exposed through the open slot.

Optionally, the speaker includes voice coil loudspeaker voice coil and centering piece, centering piece includes inner circle, outer lane and connects the inner circle with the connecting strip of outer lane, the inner circle is located in the outer lane, the outer lane can dismantle connect in the basin frame, the voice coil loudspeaker voice coil can dismantle connect in the inner circle to the part stretches into in the magnetic conduction piece.

Optionally, a buckle is arranged on the outer side wall of the outer ring, a buckling hole is formed in the basin frame corresponding to the buckle, and the buckle is in buckling fit with the buckling hole;

and/or, the inside wall of inner circle is equipped with first screw thread, the lateral wall of voice coil loudspeaker voice coil be equipped with first screw thread matched with second screw thread.

Optionally, the connecting strip is in an S-shaped configuration.

Optionally, the speaker includes vibrating diaphragm and snap ring, the vibrating diaphragm can dismantle cup joint in the outside of voice coil loudspeaker voice coil, the snap ring pressfitting in the upper surface edge of vibrating diaphragm, and with the connection can be dismantled to the basin frame.

Optionally, an elastic arm is arranged on the outer side edge of the snap ring, a jack is formed in the basin frame corresponding to the elastic arm, and the elastic arm is elastically clamped in the jack so that the snap ring and the basin frame can be detachably fixed;

and/or, the speaker includes dustproof cap, the top of voice coil loudspeaker voice coil is equipped with the third screw thread, dustproof cap is equipped with the fourth screw thread, the fourth screw thread with the cooperation of third screw thread, so that dustproof cap fits in the top of voice coil loudspeaker voice coil.

The utility model also provides an audio amplifier, include the audio amplifier body and locate speaker on the audio amplifier body, the speaker is the aforesaid speaker.

The loudspeaker of the technical proposal of the utility model can lead the whole magnetic circuit system to be relatively fixed with the basin frame by detachably connecting the magnetic conduction piece in the basin frame; and through opening the connecting hole in magnet spare and china department, set up the fixed orifices at the magnetic conduction spare simultaneously to utilize the connecting piece to pass behind connecting hole and the fixed orifices, make magnet spare and china department detachably fix on the magnetic conduction spare. Therefore, in the process of assembling the magnetic circuit system, no matter the magnetic circuit system is assembled or the magnetic circuit system and the basin frame are assembled, glue is not required to be used for bonding and fixing, the assembling process is simplified, the time for waiting glue to solidify is not required to be consumed, and the production and assembly efficiency of the loudspeaker is greatly improved. Meanwhile, the phenomenon of glue overflow can not occur, so that the appearance attractiveness of the product is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 an embodiment of a speaker according to the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

fig. 3 is a schematic cross-sectional view of an embodiment of the speaker of the present invention;

fig. 4 is a schematic structural view of an embodiment of a magnetic conducting member in the speaker of the present invention;

fig. 5 is a schematic structural diagram of an embodiment of a frame in a speaker according to the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Basin rack	110	Spacing boss
120	Buckling hole	130	Jack hole
				1000	Loudspeaker	200a	Fixing hole
200b	Connecting hole		210a						Base seat
				210	Magnetic conduction piece	211	Limiting groove
210b	Barrel body		220					Magnet piece
				212	Open slot	240	Connecting piece
230	Washer	310	Second screw thread
				300	Voice coil	400	Centering support plate
320	Third screw thread	411	First screw thread
				410	Inner ring	421	Buckle
420	Outer ring	500	Vibrating diaphragm
				430	Connecting strip	610	Elastic arm
600	Snap ring	710	Fourth screw thread
				700	Dust-proof cap

The objects, 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the 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 motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to 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, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a loudspeaker 1000.

Referring to fig. 1 to 3, in an embodiment of the present invention, the speaker 1000 includes a frame 100, a magnetic circuit system and a vibration system, the magnetic circuit system includes a magnetic conducting member 210, a magnet member 220 and a washer 230, the magnetic conducting member 210 is detachably connected to the frame 100, the magnetic conducting member 210 is provided with a fixing hole 200a, the magnet member 220 and the washer 230 are both provided with a connecting hole 200b, and a connecting member 240 can pass through the connecting hole 200b and the fixing hole 200a, so that the washer 230, the magnet member 220 and the magnetic conducting member 210 can be detachably fixed.

The vibration system mainly includes a voice coil 300 and a diaphragm 500, and the vibration system and the magnetic circuit system work together to convert the audio electrical signal into a sound signal for output. The magnetic conducting member 210 may be U iron or T iron; the magnet piece 220 is disposed in a circular block shape, and the washer 230 is commonly referred to as a spring washer, and the outer shape thereof may be the same circular shape as the magnet piece 220. The magnet piece 220 and the washer 230 are located in the magnetic conducting member 210, and have a magnetic gap with the magnetic conducting member 210, so that the voice coil 300 extends into the magnetic gap to vibrate.

The connecting hole 200b and the fixing hole 200a may be threaded holes, or the connecting hole 200b may be a through hole, the fixing hole 200a may be a threaded hole, and the connecting member 240 may be an aluminum screw, so that the connecting hole 200b and the fixing hole 200a are connected to each other through the screw, and the magnet piece 220, the washer 230, and the magnetic conductive member 210 may be detachably fixed. Of course, the connecting hole 200b and the fixing hole 200a may also be pin holes, and the connecting member 240 is a pin, so that the magnet piece 220, the washer 230 and the magnetic conducting member 210 are fixed by interference-fitting the pin into the connecting hole 200b and the fixing hole 200 a.

Therefore, in the speaker 1000 according to the technical solution of the present invention, the magnetic conduction member 210 is detachably connected in the frame 100, so that the whole magnetic circuit system can be relatively fixed with the frame 100; the magnet piece 220 and the washer 230 are detachably fixed on the magnetic conducting member 210 by opening the connecting hole 200b in the magnet piece 220 and the washer 230, opening the fixing hole 200a in the magnetic conducting member 210, and penetrating the connecting hole 200b and the fixing hole 200a through the connecting member 240. Therefore, in the process of assembling the magnetic circuit system, no matter the magnetic circuit system is assembled or the magnetic circuit system and the basin frame 100 are assembled, glue is not needed to be used for bonding and fixing, the assembling process is simplified, the time for waiting glue to solidify is not needed to be consumed, and the production and assembly efficiency of the loudspeaker 1000 is greatly improved. Meanwhile, the phenomenon of glue overflow can not occur, so that the appearance attractiveness of the product is greatly improved.

Referring to fig. 4 in combination, in an embodiment of the present application, the magnetic conducting member 210 includes a base 210a and a cylinder 210b, the cylinder 210b is connected to the base 210a and encloses to form an accommodating space, the base 210a is provided with the fixing hole 200a and is detachably connected to the basin frame 100, and the washer 230 and the magnet member 220 are connected to the base 210a and are located in the accommodating space.

In this embodiment, the magnetic conducting member 210 is a U-shaped iron, the cylinder 210b and the base 210a are an integral structure, one end of the cylinder 210b, which is far away from the base 210a, has a cylinder opening, and the washer 230 is located above the magnet piece 220, so that the connector 240 passes through the connecting hole 200b of the washer 230 and the connecting hole 200b of the magnet piece 220 and then is matched with the fixing hole 200a, so that the washer 230 and the magnet are fixed on the base 210a, and the cylinder 210b can form protection, and the magnetic gap between the washer 230 and the magnet piece 220 and the cylinder 210b can be used for the voice coil 300 to extend into, thereby ensuring that the magnetic circuit system of the speaker 1000 is stably installed.

With reference to fig. 4 and 5, in order to make the magnetic conduction member 210 and the basin frame 100 stably connected, in the present application, the base 210a deviates from the washer 230 with one side of the magnet piece 220 is provided with a limiting groove 211, the bottom of the basin frame 100 is provided with a limiting boss 110, and the limiting boss 110 abuts against in the limiting groove 211. Specifically, the limiting groove 211 may be a circular groove, the limiting boss 110 is a corresponding circular boss, and the depth of the limiting groove 211 may be adaptively set according to the specific size of the speaker 1000. It can understand ground, cooperate through setting up spacing boss 110 and spacing groove 211 for magnetic conduction piece 210 can carry on spacingly through spacing groove 211 and spacing boss 110 when installing in basin frame 100, and then the joint cooperation is fixed, need not to bond fixedly through glue, not only makes magnetic conduction piece 210 and basin frame 100 firm the connection, need not the use of glue simultaneously, has reduced manufacturing cost, improves the efficiency of production.

Further, an opening groove 212 is formed in a side wall of the cylinder 210b, the opening groove 212 extends to a cylinder opening of the cylinder 210b, and the magnet piece 220 is exposed through the opening groove 212. The opening groove 212 is disposed in a U shape, an opening portion of the opening groove is located at a cylindrical opening of the cylindrical body 210b, and a depth of the opening groove 212 can be adaptively designed according to a length of the cylindrical body 210 b. Through the design of the open slot 212, the vibration of the magnet piece 220 and the voice coil 300 in the cylinder 210b can be observed through the open slot, thereby facilitating the subsequent inspection process.

Referring to fig. 2, in the embodiment of the present application, the speaker 1000 includes a damper 400, the damper 400 includes an inner ring 410, an outer ring 420, and a connecting bar 430 connecting the inner ring 410 and the outer ring 420, the inner ring 410 is located in the outer ring 420, the outer ring 420 is detachably connected to the frame 100, the voice coil 300 is detachably connected to the inner ring 410, and a portion of the voice coil extends into the magnetic conductive member 210.

The centering support 400 is also called a damper, and is mainly used to maintain the correct position of the voice coil 300 in the magnetic gap, and to ensure that the vibration system reciprocates in the axial direction when the voice coil 300 is stressed, and to prevent dust from entering the magnetic gap. In this application, inner circle 410 and outer lane 420 are the circle structure, and the diameter of inner circle 410 is less than the diameter of outer lane 420, connecting strip 430, inner circle 410 and outer lane 420 structure as an organic whole, in order to ensure that centering disk 400 has good structural strength, outer lane 420 can be dismantled simultaneously and connect in basin frame 100, make centering disk 400 wholly be located basin frame 100, spacing voice coil 300's position, it is fixed to voice coil 300 need not to utilize glue, the time that glue solidifies is saved, when practicing thrift manufacturing cost, the efficiency of production has been improved.

In order to make the centre clip 400 can dismantle with basin frame 100 and be connected, this application the lateral wall of outer lane 420 is equipped with buckle 421, basin frame 100 corresponds buckle 421 is equipped with detains hole 120, buckle 421 with detain the cooperation of hole 120 joint. Wherein, buckle 421 and outer lane 420 can form into an organic whole structure to have good structural strength between buckle 421 and the outer lane 420, non-deformable during the use, the quantity of buckle 421 can be a plurality ofly, for example 3, 4, 5 or more, a plurality of buckles 421 are at the circumference interval setting of outer wall of outer lane 420, the quantity of buckle hole 120 then can correspond the same with the quantity of buckle 421. So, the cooperation through buckle 421 and lock joint hole 120 makes outer lane 420 fixed, and not only simple structure, the operation of installation, dismantlement is comparatively convenient moreover, need not to use glue fixed simultaneously, can dismantle the equipment repeatedly, and is interesting stronger, realizes manual work. In addition, in order to fix the centering clip 400 to the frame 100, the clip 421 and the fastening hole 120 may be screwed together by screws.

Further, the inner side wall of the inner ring 410 is provided with a first thread 411, and the outer side wall of the voice coil 300 is provided with a second thread 310 matched with the first thread 411. Wherein, first screw 411 is the internal thread, and second screw 310 is the external screw thread, utilizes internal thread and external screw thread to close the mode mutually soon to make inner circle 410 and voice coil 300 fixed mutually to make voice coil 300 wholly be fixed in basin frame 100 through centering support 400, guaranteed the accurate position of voice coil 300.

Further, in an embodiment of the present application, the connecting bar 430 is shaped like an S. In this embodiment, the number of the connecting strips 430 may be 4, the 4 connecting strips 430 are arranged at intervals in the circumferential direction between the inner ring 410 and the outer ring 420, the connecting strips 430 can connect and fix the inner ring 410 and the outer ring 420, and the connecting strips 430 are arranged in an S-shape, so that the connecting strips 430 are bent, and thus the length of the connecting strips arranged in the limited space between the inner ring 410 and the outer ring 420 is longer, thereby increasing the buffering stroke of vibration, and when vibration in other directions is generated, the interference of the vibration to sound vibration can be reduced, and the sound quality of the speaker 1000 is improved.

With reference to fig. 2, in the embodiment of the present application, the speaker 1000 includes a snap ring 600, the diaphragm 500 is detachably sleeved on the outer side of the voice coil 300, and the snap ring 600 is pressed on the edge of the upper surface of the diaphragm 500 and detachably connected to the frame 100. In this embodiment, the diaphragm 500 and the voice coil 300 are fixed by a screw thread, so that the diaphragm 500 and the voice coil 300 are stably and firmly connected. It can be understood that, through the arrangement of the snap ring 600, the diaphragm 500 can be stably connected with the frame 100 and can be detached, thereby avoiding the fixing manner by glue in the related art, and improving the installation efficiency while saving the material cost.

Further, the outer edge of the snap ring 600 is provided with an elastic arm 610, the basin stand 100 is provided with a jack 130 corresponding to the elastic arm 610, and the elastic arm 610 elastically clamps the jack 130, so that the snap ring 600 and the basin stand 100 can be detachably fixed. The number of the elastic arms 610 is preferably 4, the 4 elastic arms 610 are arranged at intervals along the circumferential direction of the snap ring 600, and the number of the insertion holes 130 is the same as that of the elastic arms 610. The structure that the elastic arm 610 and the jack 130 are elastically clamped not only enables the clamp ring 600 to be stably connected with the basin stand 100, but also enables the disassembly and assembly to be simple and convenient, further increases the interest of assembly, and has high efficiency.

In an embodiment of the present application, the speaker 1000 includes a dust cap 700, the top of the voice coil 300 is provided with third threads 320, the dust cap 700 is provided with fourth threads 710, and the fourth threads 710 are matched with the third threads 320, so that the dust cap 700 covers the top of the voice coil 300.

In this embodiment, the third thread 320 is an internal thread and the fourth thread 710 is an external thread, but the third thread 320 may be an external thread and the fourth thread 710 may be an internal thread. Dustproof cap 700 and voice coil loudspeaker voice coil 300 are connected through helicitic texture, and it is convenient to dismantle the equipment, and efficiency is higher, need not glue moreover and fix, saves the technology and the cost of viscose, the effectual aesthetic property that has promoted speaker 1000.

The utility model also provides an audio amplifier, this audio amplifier include the audio amplifier body and locate speaker 1000 on the audio amplifier body, wherein, this audio amplifier can be intelligent audio amplifier, bluetooth speaker or other audio amplifier equipment and so on. The specific structure of the speaker 1000 refers to the above embodiments, and since the sound box adopts all the technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides a loudspeaker, its characterized in that, includes basin frame and magnetic circuit, magnetic circuit includes magnetic conduction spare, magnet spare and magnificent department, magnetic conduction spare can dismantle connect in the basin frame, magnetic conduction spare is equipped with the fixed orifices, magnet spare with magnificent department all is equipped with the connecting hole to the accessible connecting piece passes the connecting hole with the fixed orifices, so that magnificent department magnet spare with magnetic conduction spare can be dismantled fixedly.

2. The loudspeaker of claim 1, wherein the magnetic conducting member comprises a base and a barrel, the barrel is connected with the base and encloses to form an accommodating space, the base is provided with the fixing hole and is detachably connected with the frame, and the washer and the magnet member are connected with the base and are located in the accommodating space.

3. The loudspeaker of claim 2, wherein a limiting groove is formed in one side of the base, which faces away from the washer and the magnet piece, a limiting boss is arranged at the bottom of the basin frame, and the limiting boss abuts against the limiting groove.

4. The loudspeaker of claim 2, wherein the side wall of the cylinder is provided with an open slot, the open slot extends to the cylinder opening of the cylinder, and the magnet piece is exposed through the open slot.

5. The loudspeaker according to any one of claims 1 to 4, wherein the loudspeaker comprises a voice coil and a damper, the damper comprises an inner ring, an outer ring and a connecting strip connecting the inner ring and the outer ring, the inner ring is located in the outer ring, the outer ring is detachably connected to the frame, and the voice coil is detachably connected to the inner ring and partially extends into the magnetic conductor.

6. The loudspeaker of claim 5, wherein the outer side wall of the outer ring is provided with a buckle, the frame is provided with a buckling hole corresponding to the buckle, and the buckle is in buckling fit with the buckling hole;

and/or, the inside wall of inner circle is equipped with first screw thread, the lateral wall of voice coil loudspeaker voice coil be equipped with first screw thread matched with second screw thread.

7. A loudspeaker according to claim 5, wherein the connecting strips are shaped in an S-shaped configuration.

8. The loudspeaker of claim 5, wherein the loudspeaker comprises a diaphragm and a snap ring, the diaphragm is detachably sleeved outside the voice coil, and the snap ring is press-fitted on the edge of the upper surface of the diaphragm and detachably connected with the frame.

9. The loudspeaker as claimed in claim 8, wherein the outer edge of the snap ring is provided with an elastic arm, the frame is provided with a jack corresponding to the elastic arm, and the elastic arm is elastically clamped in the jack so as to detachably fix the snap ring and the frame;

and/or, the speaker includes dustproof cap, the top of voice coil loudspeaker voice coil is equipped with the third screw thread, dustproof cap is equipped with the fourth screw thread, the fourth screw thread with the cooperation of third screw thread, so that dustproof cap fits in the top of voice coil loudspeaker voice coil.

10. A loudspeaker box, comprising a loudspeaker box body and a loudspeaker arranged on the loudspeaker box body, wherein the loudspeaker is the loudspeaker according to any one of claims 1 to 9.

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