CN205179357U - Micro loudspeaker - Google Patents

Micro loudspeaker Download PDF

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Publication number
CN205179357U
CN205179357U CN201521042342.6U CN201521042342U CN205179357U CN 205179357 U CN205179357 U CN 205179357U CN 201521042342 U CN201521042342 U CN 201521042342U CN 205179357 U CN205179357 U CN 205179357U
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CN
China
Prior art keywords
conductive part
magnetic conductive
location division
part body
microspeaker
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Active
Application number
CN201521042342.6U
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Chinese (zh)
Inventor
韩丹
杨赟
孙志军
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Goertek Inc
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Goertek Inc
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Priority to CN201521042342.6U priority Critical patent/CN205179357U/en
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Abstract

The utility model discloses a micro loudspeaker relates to electro -acoustic products technical field, which comprises an outer shell, a vibration system and a magnetic circuit system are held in the housing, magnetic circuit is including combining magnetic force transmission member on the shell and fixing the last magnet of magnetic force transmission member, magnetic force transmission member is including being used for the bearing the magnetic force transmission member body of magnet, the the edge of magnetic force transmission member body be equipped with two at least protrusions in the location portion at magnetic force transmission member body edge, each location portion with the magnetic force transmission member body is located coplanar, each location portion all includes at least one right -angle side, correspond each on the shell the position of location portion be equipped with with the positioning phase adaptation dodge the joint portion. The utility model discloses micro loudspeaker has solved micro loudspeaker's magnetic circuit positioning accuracy low grade technical problem among the prior art, the utility model discloses micro loudspeaker's magnetic circuit positioning accuracy is high, and the equipment degree of difficulty is low, and acoustic performance is good simultaneously.

Description

Microspeaker
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of Microspeaker.
Background technology
Microspeaker is the important acoustic element of portable electric appts, for completing the conversion between the signal of telecommunication and voice signal, is a kind of energy conversion device.Existing Microspeaker generally includes shell, contains vibrational system and magnetic circuit system in shell.Magnetic circuit system comprises magnetic conductive part and the magnet that is fixed on inside magnetic conductive part and washer, and magnetic conductive part is fixed on the lower end of shell.The rectangle that existing magnetic conductive part is generally rule adds chamfering or circle, and when magnet bonds to after on magnetic conductive part, the edge of magnet can exceed the edge of magnetic conductive part, causes to position with magnetic conductive part when Microspeaker is assembled.In order to ensure the positioning precision of magnetic circuit system; the location that designer can adopt multiple parts such as magnet and washer to carry out on X, Y, Z tri-directions usually; because positioning element is too much; and multiple parts all have certain tolerance when processing own and assembling; when carrying out magnetic circuit location; the tolerance of each parts can produce superposition; thus cause the positioning precision of magnetic circuit system to decline; add the assembling difficulty of Microspeaker; inaccurate simultaneously due to magnetic circuit system location, the acoustical behavior that further result in Microspeaker declines.
Utility model content
For above defect, technical problem to be solved in the utility model is to provide a kind of Microspeaker, this Microspeaker magnetic circuit system accurate positioning, and assembling difficulty is low, and acoustical behavior is high.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of Microspeaker, comprise shell, vibrational system and magnetic circuit system is contained in described shell, described magnetic circuit system comprises combination magnetic conductive part on the housing and the magnet be fixed on described magnetic conductive part, described magnetic conductive part comprises the magnetic conductive part body for magnet described in support, the edge of described magnetic conductive part body is provided with the location division that at least two protrude from described magnetic conductive part body edges, and each described location division includes at least one right-angle side; On described shell, the position of corresponding each described location division is provided with and suitablely with described location division dodges joint portion.
Wherein, each described location division and described magnetic conductive part body are positioned at same plane.
Wherein, described magnetic conductive part body is rectangular configuration, and each described location division is all arranged on the bight of described magnetic conductive part body.
Wherein, described location division is provided with two, and two described location divisions lay respectively at two bights on the same diagonal of described magnetic conductive part body.
Wherein, described location division is provided with four, and four described location divisions lay respectively at four bights of described magnetic conductive part body.
Wherein, described location division is rectangular block.
As a kind of execution mode, described location division comprises two described rectangular blocks, and two described rectangular blocks mutually vertically and be combined in respectively on the adjacent both sides of the edge of described magnetic conductive part body.
As another kind of execution mode, described location division comprises a described rectangular block, and each described rectangular block is combined on the different edges of described magnetic conductive part body respectively.
As another execution mode, described location division comprises a described rectangular block, and each described rectangular block is combined on the relative both sides of the edge of described magnetic conductive part respectively.
Wherein, described location division is provided with right-angle notch, and described right-angle notch combines with the bight of described magnetic conductive part body.
After have employed technique scheme, the beneficial effects of the utility model are:
Because the utility model Microspeaker comprises shell, vibrational system and magnetic circuit system is contained in shell, magnetic conductive part in magnetic circuit system comprises magnetic conductive part body, the edge of magnetic conductive part body is provided with the location division that at least two protrude from magnetic conductive part body edges, each location division and magnetic conductive part body are positioned at same plane, and each location division includes at least one right-angle side; On shell, the position of corresponding each location division is provided with and dodges joint portion.Location division protrudes from the edge of magnetic conductive part body, bond to be exceeded by magnet after on magnetic conductive part at magnet and block, thus the location in three directions to magnetic circuit system can be played in this location division, namely the effective location of magnetic circuit system is only just achieved by magnetic conductive part parts, because a positioning parts does not exist the problem of tolerance, thus improve the positioning precision of magnetic circuit system greatly, effectively reduce the assembling difficulty of Microspeaker, improve the acoustical behavior of Microspeaker.
Because magnetic conductive part body is rectangular configuration, each location division is all arranged on the bight of magnetic conductive part body, location division is arranged on four bights of magnetic conductive part body, can away from the effective magnetic field region of magnetic circuit system, thus the leakage in magnetic field can not be caused, thus ensure that the magnetic field intensity of magnetic circuit system can not be weakened, while improve the positioning precision of magnetic circuit system, ensure that the acoustical behavior of Microspeaker is not lowered.
In sum, the utility model Microspeaker solves the technical problems such as the magnetic circuit system positioning precision of Microspeaker in prior art is low, assembling difficulty is large, the magnetic circuit system positioning precision of the utility model Microspeaker is high, and assembling difficulty is low, and acoustical behavior is good simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Microspeaker embodiment one;
Fig. 2 is the structural representation of magnetic conductive part in Fig. 1;
Fig. 3 is the structural representation of the magnetic conductive part of the utility model Microspeaker embodiment two;
Fig. 4 is the structural representation of the magnetic conductive part of the utility model Microspeaker embodiment three;
Fig. 5 is the structural representation of the magnetic conductive part of the utility model Microspeaker embodiment four;
In figure: 10, shell, 20a, magnetic conductive part, 20b, magnetic conductive part, 20c, magnetic conductive part, 20d, magnetic conductive part, 22, magnetic conductive part body, 24a, location division, 24b, location division, 24c, location division, 24d, location division.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.
The side at nearly Microspeaker center is depended in the inner side related in this specification, and outside refers to the side away from Microspeaker center.
Embodiment one:
As Fig. 1 and Fig. 2 jointly shown in, a kind of Microspeaker, comprises shell 10, contains vibrational system (not shown) and magnetic circuit system in shell 10.Magnetic circuit system comprises the magnetic conductive part 20a be fixed on shell 10, and the inner side of magnetic conductive part 20a is fixed with magnet and washer (not shown) successively.Magnetic conductive part 20a comprises the magnetic conductive part body 22 for support magnet and washer, in present embodiment, magnetic conductive part body 22 is rectangle, the edge of magnetic conductive part body 22 is provided with the location division 24a that at least two protrude from magnetic conductive part body 22 edge, present embodiment preferred orientation portion 24a is provided with four, and be separately positioned on four bights of magnetic conductive part body 22, two or three location divisions are set certainly, arranging four location division positioning precisioies higher, is the preferred version of present embodiment.If only arrange two location divisions, then in order to ensure that positioning precision is preferably arranged on two bights be positioned on the same diagonal of magnetic conductive part body 22 in two location divisions, namely two location divisions should be arranged at diagonal angle.On shell 10, the position of corresponding each location division 24a is provided with and suitablely with location division 24a dodges joint portion, and dodging joint portion is the breach all consistent with location division 24a geomery or groove.
As Fig. 1 and Fig. 2 jointly shown in, location division 24a and magnetic conductive part body 22 are positioned at same plane, and each location division 24a includes at least one right-angle side, namely require that location division 24a has at least a limit parallel with X-direction, also have at least a limit parallel with Y-direction simultaneously, present embodiment preferred orientation portion 24a is rectangular block, in practical application, location division is not limited to rectangular block, as long as there is a right-angle side, other limit can be arc limit, hypotenuse etc., technical staff can design according to the concrete structure of Microspeaker, illustrates no longer one by one at this.
As shown in Figure 2, location division 24a comprises two rectangular blocks, and these two rectangular blocks are vertically arranged mutually, and two rectangular blocks are combined on the adjacent both sides of the edge of magnetic conductive part body 22 respectively, and whole magnetic conductive part 20a is approximately " well " font.
Embodiment two:
Present embodiment is substantially identical with embodiment one, and its difference is:
As shown in Figure 3, magnetic conductive part 20b comprises the magnetic conductive part body 22 of rectangle, and four bights of magnetic conductive part body 22 are respectively provided with a location division 24b.Location division 24b is provided with a right-angle notch, and namely location division 24b is a rectangle lacking a jiao, and its right-angle notch place combines with the bight of magnetic conductive part body 22, and two edges that namely two limits of its right-angle notch are adjacent with magnetic conductive part body 22 are respectively combined.
Embodiment three:
Present embodiment is substantially identical with embodiment one, and its difference is:
As shown in Figure 4, magnetic conductive part 20c comprises the magnetic conductive part body 22 of rectangle, and four bights of magnetic conductive part body 22 are respectively provided with a location division 24c.Location division 24c comprises a rectangular block, and a lateral edges of each location division 24c is combined on the four side edge of magnetic conductive part body 22 respectively.
Embodiment four:
Present embodiment is substantially identical with embodiment three, and its difference is:
As shown in Figure 5, magnetic conductive part 20d comprises the magnetic conductive part body 22 of rectangle, and four bights of magnetic conductive part body 22 are respectively provided with a location division 24d.Location division 24d comprises a rectangular block, and four location division 24d are separately positioned on the relative both sides of the edge of magnetic conductive part body 22.
The utility model is positioned by the location division and shell arranging protrusion at the edge of magnetic conductive part, thus overcome the technical problem of multiple positioning parts low precision in prior art, improve the positioning precision of magnetic circuit system, reduce the assembling difficulty of Microspeaker, and effectively raise the acoustical behavior of Microspeaker.
The utility model the various embodiments described above are only illustrating of technical scheme the utility model being arranged to location division at the edge of magnetic conductive part, wherein the structure of Microspeaker and the structure of magnetic conductive part are not limited only to above-mentioned rectangular configuration, it can also be oval, circular, track type etc., the structure of location division is also not limited to the structure of above-described embodiment description, the technical solution of the utility model is applicable to the magnetic circuit system location of any one Microspeaker, those skilled in the art do not need to pay any creative work according to the description of above-described embodiment and just can be applied in the Microspeaker of other structure by the technical solution of the utility model, therefore no matter whether other structure of Microspeaker is same as the previously described embodiments, no matter also whether the structure of magnetic conductive part and location division is same as the previously described embodiments, as long as arrange the location division of protrusion at the edge of magnetic conductive part to improve magnetic circuit positioning precision, product in order to reduce assembling difficulty all falls in protection range of the present utility model.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion made, all drop within protection range of the present utility model.

Claims (10)

1. Microspeaker, comprise shell, vibrational system and magnetic circuit system is contained in described shell, described magnetic circuit system comprises combination magnetic conductive part on the housing and the magnet be fixed on described magnetic conductive part, it is characterized in that, described magnetic conductive part comprises the magnetic conductive part body for magnet described in support, and the edge of described magnetic conductive part body is provided with the location division that at least two protrude from described magnetic conductive part body edges, and each described location division includes at least one right-angle side; On described shell, the position of corresponding each described location division is provided with and suitablely with described location division dodges joint portion.
2. Microspeaker according to claim 1, is characterized in that, each described location division and described magnetic conductive part body are positioned at same plane.
3. Microspeaker according to claim 2, is characterized in that, described magnetic conductive part body is rectangular configuration, and each described location division is all arranged on the bight of described magnetic conductive part body.
4. Microspeaker according to claim 3, is characterized in that, described location division is provided with two, and two described location divisions lay respectively at two bights on the same diagonal of described magnetic conductive part body.
5. Microspeaker according to claim 3, is characterized in that, described location division is provided with four, and four described location divisions lay respectively at four bights of described magnetic conductive part body.
6. the Microspeaker according to claim 4 or 5, is characterized in that, described location division is rectangular block.
7. Microspeaker according to claim 6, is characterized in that, described location division comprises two described rectangular blocks, and two described rectangular blocks mutually vertically and be combined in respectively on the adjacent both sides of the edge of described magnetic conductive part body.
8. Microspeaker according to claim 6, is characterized in that, described location division comprises a described rectangular block, and each described rectangular block is combined on the different edges of described magnetic conductive part body respectively.
9. Microspeaker according to claim 6, is characterized in that, described location division comprises a described rectangular block, and each described rectangular block is combined on the relative both sides of the edge of described magnetic conductive part respectively.
10. the Microspeaker according to claim 4 or 5, is characterized in that, described location division is provided with right-angle notch, and described right-angle notch combines with the bight of described magnetic conductive part body.
CN201521042342.6U 2015-12-14 2015-12-14 Micro loudspeaker Active CN205179357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521042342.6U CN205179357U (en) 2015-12-14 2015-12-14 Micro loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521042342.6U CN205179357U (en) 2015-12-14 2015-12-14 Micro loudspeaker

Publications (1)

Publication Number Publication Date
CN205179357U true CN205179357U (en) 2016-04-20

Family

ID=55743282

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521042342.6U Active CN205179357U (en) 2015-12-14 2015-12-14 Micro loudspeaker

Country Status (1)

Country Link
CN (1) CN205179357U (en)

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee after: Goertek Inc.

Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee before: Goertek Inc.