CN209462593U - Vibrating diaphragm and loudspeaker - Google Patents
Vibrating diaphragm and loudspeaker Download PDFInfo
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- CN209462593U CN209462593U CN201920266185.9U CN201920266185U CN209462593U CN 209462593 U CN209462593 U CN 209462593U CN 201920266185 U CN201920266185 U CN 201920266185U CN 209462593 U CN209462593 U CN 209462593U
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Abstract
The utility model belongs to electro-acoustic product technical field more particularly to a kind of vibrating diaphragm and loudspeaker.A kind of vibrating diaphragm, hemispherical film portion including middle part protrusion, the horizontally extending formation annular membrane portion in the outer peripheral edge in hemispherical film portion, the horizontally extending formation arch film portion in the outer peripheral edge in annular membrane portion, the middle part protrusion and protrusion direction in arch film portion are consistent with the protrusion direction in hemispherical film portion；The surface in hemispherical film portion is provided with several first reinforcing ribs, and the surface in arch film portion is provided with several second reinforcing ribs, each equidistant arranged for interval of second reinforcing rib, each first reinforcing rib radial equidistant arranged for interval centered on the center in hemispherical film portion.The first reinforcing rib and the second reinforcing rib is respectively set in hemispherical film portion and arch film portion, the intensity in hemispherical film portion and arch film portion can be increased, the power tolerance of vibrating diaphragm is improved, the anti-air-flow impact capacity of vibrating diaphragm increases, the stability enhancing in big stroke movement.
Description
Technical field
The utility model belongs to electro-acoustic product technical field more particularly to a kind of vibrating diaphragm and loudspeaker.
Background technique
In recent years, since functional characteristic requirement of the market to loudspeaker is higher and higher, vibrating diaphragm is as loudspeaker vibration sounding
One of main component, the superiority and inferiority of quality has been largely fixed the effective frequency range of loudspeaker, distortion and sound quality,
It is the key Design for controlling loudspeaker audio.But the performance of vibrating diaphragm depends on geometry and material of vibrating diaphragm etc. again, tradition
Vibrating diaphragm be typically designed to have the linear structure either taper peviform structure of smooth surface, and material then mostly uses paper
The material of matter, plastic material either aluminium and aluminum alloy material etc., but the rigidity of this class formation or the vibrating diaphragm of material is not enough, leads
It causes loudspeaker to be easy to appear diaphagras in high-frequency vibration, possibly even occurs quick-fried film when serious, influence the audio of loudspeaker.
Utility model content
The purpose of this utility model is to provide a kind of vibrating diaphragm and loudspeakers, it is intended to solve the vibration of loudspeaker in the prior art
The technical issues of film is easy to appear diaphagras because rigid inadequate.
In order to achieve the above purposes, the technical solution adopted by the utility model is: a kind of vibrating diaphragm, the hemisphere including middle part protrusion
Shape film portion, the horizontally extending formation annular membrane portion in the outer peripheral edge in hemispherical film portion, the outer peripheral edge in annular membrane portion is along level side
To arch film portion is extended to form, the middle part protrusion and protrusion direction in arch film portion are consistent with the protrusion direction in hemispherical film portion；Half
The surface in spherical film portion is provided with several first reinforcing ribs, and the surface in arch film portion is provided with several second reinforcing ribs, and each second
The equidistant arranged for interval of reinforcing rib, each first reinforcing rib radial equidistant interval cloth centered on the center in hemispherical film portion
It sets.
Further, the first reinforcing rib is the shape of stripes reinforcing rib that the surface bulge in hemispherical film portion is formed, and the
The extending direction of one reinforcing rib is the outer peripheral edge from the inner peripheral in hemispherical film portion towards hemispherical film portion.
Further, the second reinforcing rib is the shape of stripes reinforcing rib that the surface indentation in arch film portion is formed, and second
The extending direction of reinforcing rib is the outer peripheral edge from the inner peripheral in arch film portion towards arch film portion.
Preferably, hemispherical film portion, annular membrane portion and arch film portion are by one or both of plastics and resin material
It is made.
Preferably, vibrating diaphragm with a thickness of 5 μm~100 μm.
Further, the height that arches upward in arch film portion is greater than or equal to the height of the top dome in hemispherical film portion.
Further, the upper and lower surfaces rule in annular membrane portion is smooth, and the upper and lower surfaces in annular membrane portion
It is parallel to the horizontal plane.
Preferably, hemispherical film portion, annular membrane portion and arch film portion integrated hot pressing formed.
Further, the outer peripheral edge in arch film portion is horizontally extending is formed with cyclic annular clinch.
The utility model has the beneficial effects that the vibrating diaphragm of the utility model, including hemispherical film portion, arch film portion and connection
The annular membrane portion in hemispherical film portion and arch film portion, and the first reinforcing rib is provided in hemispherical film portion, arch film is arranged in portion
There is the second reinforcing rib, in this way, the first reinforcing rib and the second reinforcing rib is respectively set in hemispherical film portion and arch film portion, it can
The intensity for further increasing hemispherical film portion and arch film portion improves the power tolerance of vibrating diaphragm, makes its anti-air-flow impact capacity
Increase, stability enhancing of the vibrating diaphragm in big stroke movement avoids hemispherical film portion and arch film portion from deforming, promote the height of vibrating diaphragm
Frequency characteristic, also, each first reinforcing rib and the equidistantly evenly spaced setting of each second reinforcing rib, are conducive to vibrating diaphragm integral rigidity
Uniform raising, the intensity homogeneity of vibrating diaphragm entirety is more preferable, and suffered power is evenly dispersed when making diaphragm oscillations, it is ensured that vibrating diaphragm is being raised
Linear displacement can be remained in the magnetism circuit of sound device, reduces the diaphagras of vibrating diaphragm, further promote vibrating diaphragm quality.
The utility model another solution is that a kind of loudspeaker, including above-mentioned vibrating diaphragm.
The loudspeaker of the utility model, due to having used above-mentioned vibrating diaphragm, diaphagras when high frequency is reduced, vibrating diaphragm
High frequency characteristics is more excellent, and high frequency curve is more smooth, and loudspeaker tonequality effect is more preferable, and user experience is more preferably.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram one of vibrating diaphragm provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram two of vibrating diaphragm provided by the embodiment of the utility model；
Fig. 3 is the Section View of the line A-A along Fig. 1；
Fig. 4 is the structural schematic diagram of loudspeaker provided by the embodiment of the utility model；
Fig. 5 is the Section View of the line B-B along Fig. 4；
Fig. 6 is the decomposition view of loudspeaker provided by the embodiment of the utility model.
Wherein, each appended drawing reference in figure:
10-magnetic circuit system 11-main magnet, 12-washers
20-vibrational system 21-vibrating diaphragm, 25-voice coils
30-31-U of loudspeaker support cup, 32-frame
41-the first damping piece 50-circuit board of the 42-the second damping piece
111-the first magnetic gap the 121-the second magnetic gap 211-hemispherical film portion
212-213-arch film portion, annular membrane portion, 214-ring-type clinch
311-location hole the 2131-the second reinforcing ribs of the 2111-the first reinforcing rib.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining the description of attached drawing 1~6 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figures 1 to 3, an embodiment of the utility model provides a kind of vibrating diaphragm 21, the hemisphere including middle part protrusion
Shape film portion 211, the horizontally extending formation annular membrane portion 212 in the outer peripheral edge in hemispherical film portion 211, annular membrane portion 212 it is outer
The horizontally extending formation arch film portion 213 of periphery, the middle part protrusion and protrusion direction in arch film portion 213 and hemispherical film portion
211 protrusion direction is consistent；The surface in hemispherical film portion 211 is provided with several first reinforcing ribs 2111, the table in arch film portion 213
Face is provided with several second reinforcing ribs 2131, the equidistant arranged for interval of each second reinforcing rib 2131, each first reinforcing rib 2111 with
Radial equidistant arranged for interval centered on the center in hemispherical film portion 211.
The vibrating diaphragm 21 of the utility model embodiment, including hemispherical film portion 211, arch film portion 213 and connection hemispherical
The annular membrane portion 212 in film portion 211 and arch film portion 213, and the first reinforcing rib 2111, arch are provided in hemispherical film portion 211
The second reinforcing rib 2131 is provided in film portion 213, in this way, being respectively set first in hemispherical film portion 211 and arch film portion 213
Reinforcing rib 2111 and the second reinforcing rib 2131, can further increase the intensity in hemispherical film portion 211 and arch film portion 213, mention
The power tolerance of high vibrating diaphragm 21 increases its anti-air-flow impact capacity, stability enhancing of the vibrating diaphragm 21 in big stroke movement,
It avoids hemispherical film portion 211 and arch film portion 213 from deforming, promotes the high frequency characteristics of vibrating diaphragm 21, also, each first reinforcing rib
2111 and the equidistant evenly spaced setting of each second reinforcing rib 2131, be conducive to the uniform raising of 21 integral rigidity of vibrating diaphragm, shake
The whole intensity homogeneity of film 21 is more preferable, and the power for keeping vibrating diaphragm 21 suffered when vibrating is evenly dispersed, it is ensured that vibrating diaphragm 21 is in loudspeaker
Linear displacement can be remained in magnetism circuit, reduces the diaphagras of vibrating diaphragm 21, further promote 21 quality of vibrating diaphragm.
In another embodiment of the utility model, as shown in Figures 2 and 3, the first reinforcing rib 2111 is in hemispherical film
The shape of stripes reinforcing rib that the surface bulge in portion 211 is formed, and the extending direction of the first reinforcing rib 2111 is from hemispherical film portion
211 inner peripheral is towards the outer peripheral edge in hemispherical film portion 211, i.e. inner peripheral of the first reinforcing rib 2111 from hemispherical film portion 211
The outer peripheral edge in hemispherical film portion 211 is extended to, in this way, radian of first reinforcing rib 2111 along hemispherical film portion 211 is arranged, with
The case where influencing the stress in hemispherical film portion 211 because of the first reinforcing rib 2111 of setting is avoided as far as possible, is guaranteed as far as possible
The identity of first reinforcing rib 2111 setting front and back, 21 forced vibration of vibrating diaphragm.
In another embodiment of the utility model, as shown in Figures 2 and 3, the second reinforcing rib 2131 is in arch film portion
The shape of stripes reinforcing rib that 213 surface indentation is formed, the recess setting of the second reinforcing rib 2131, lower concave space can be used in holding
Air is received, in this way, the area increase that arch film portion 213 contact with air after the second reinforcing rib 2131 of setting, vibration Shi Suoneng
The air quality of promotion increases, and equivalent mass when vibrating diaphragm 21 vibrates increases, and the lowest resonance frequency value of vibrating diaphragm 21 reduces, thus
Be conducive to be promoted the bass effect of the loudspeaker using the present embodiment vibrating diaphragm 21；Also, the extending direction of the second reinforcing rib 2131
For from the inner peripheral in arch film portion 213 towards the outer peripheral edge in arch film portion 213, i.e. the second reinforcing rib 2131 is from arch film portion 213
Inner peripheral extend to the outer peripheral edge in arch film portion 213, in this way, extension arc of second reinforcing rib 2131 along arch film portion 213
Degree setting to the greatest extent may be used with avoiding the case where influencing the stress in arch film portion 213 because of the second reinforcing rib 2131 of setting as far as possible
The identity of the setting of the second reinforcing rib of guarantee 2131 front and back 21 forced vibration of vibrating diaphragm of energy.
In another embodiment of the utility model, it is preferable that hemispherical film portion 211, annular membrane portion 212 and arch film portion
213 are made of one or both of plastics and resin material.That is hemispherical film portion 211, annular membrane portion 212 and arch film portion
213 be plastic foil portion；Alternatively, hemispherical film portion 211, annular membrane portion 212 and arch film portion 213 are resin film portion；Or
Person, the composite material film of hemispherical film portion 211, annular membrane portion 212 and arch film portion 213 to be made of plastics and resin material
Portion；Alternatively, hemispherical film portion 211, annular membrane portion 212 and arch film portion 213 are respectively plastic foil portion, resin film portion or compound
One or both of material membrane portion.Since plastics and resin material all have preferable flexibility, it is shaken using its production
Film 21 is conducive to improve the pliable of vibrating diaphragm 21, to reduce the lowest resonance frequency of vibrating diaphragm 21, is shaken with optimization using the present embodiment
The bass effect of the loudspeaker of film 21；Also, by the way that the first reinforcing rib 2111 and the second reinforcing rib 2131 is arranged, vibrating diaphragm 21
Rigidity and intensity are ensured that vibrating diaphragm 21 has enough anti-air-flow impact capacities.
In another embodiment of the utility model, the thickness of vibrating diaphragm 21 is preferably 5 μm~100 μm, the vibration of different-thickness
The corresponding different rigid of film 21, as its rigid water hammer of the increase of 21 thickness of vibrating diaphragm increases, therefore, when designing loudspeaker
The rigid according to required for loudspeaker selects the thickness of vibrating diaphragm 21, does not do to its thickness herein very specific
Limitation.It is specifically as follows 5 μm, 20 μm, 30 μm, 40 μm, 50 μm, 60 μm, 70 μm, 80 μm, 90 μm or 100 μm etc..
In another embodiment of the utility model, shown in Fig. 3, arch film portion 213 is away from the outer of hemispherical film portion 211
The height of periphery is greater than or equal to the height of the top dome in hemispherical film portion 211, in this way, hemispherical film portion 211 can be in arch
Film portion 213 encloses the oscillation space internal vibration for setting and being formed, and provides bigger oscillation space for hemispherical film portion 211, effectively expands
The vibration frequency range of vibrating diaphragm 21 is opened up.
In another embodiment of the utility model, as shown in Figures 2 and 3, the upper and lower surfaces in annular membrane portion 212
Rule is smooth, and the upper and lower surfaces in annular membrane portion 212 are parallel to the horizontal plane.When vibrating diaphragm 21 is fixed on the branch of loudspeaker
When being fixedly connected in frame and with voice coil, voice coil need to be only adhered to the lower surface in the annular membrane portion 212, i.e. annular membrane portion
212 play the role of positioning voice coil, so that being connected and fixed between voice coil and vibrating diaphragm 21, more convenient, operation is more simple, and
And its even curface structure can be improved the compactness of voice coil, it will not be steady because of the connection that concave-convex surface is different and influences voice coil
It is qualitative；In addition, when 21 forced vibration of vibrating diaphragm, annular membrane portion 212 also can forced vibration, be designed into two-sided smooth plane
Structure makes only to generate the power in up and down direction when its vibration, the power without generating horizontal direction, and for the annular membrane portion
For 212, the power of this kind of horizontal direction is detrimental to its vibration sounding, not only will affect the normal vibration of vibrating diaphragm 21, very
To being also possible to lead to vibrating diaphragm 21, deformation occurs.
Specifically, as shown in figure 3, the angle of annular membrane portion 212 and 211 junction of hemispherical film portion is 90 °~180 °；
Annular membrane portion 212 same as the angle of 213 junction of arch film portion is also 90 °~180 °.That is, hemispherical film portion 211
It is that annular membrane portion 212 is transitted in the form of gentle obtuse angle, annular membrane portion 212 is equally transitted in the form of gentle obtuse angle again
Arch film portion 213 so, it is possible the intensity for improving connection intermediate location, so that it is not fractureed vulnerable to cross force, preferably
It ensure that the overall stability of 21 structure of vibrating diaphragm.
In another embodiment of the utility model, hemispherical film portion 211, annular membrane portion 212 and arch film portion 213 1
Body heat is molded, i.e., the vibrating diaphragm 21 of the present embodiment is preferably using the composite material of plastics, resin or plastics and resin through hot pressing
The molding of technique integral production.By above-mentioned hemispherical film portion 211, annular membrane portion 212 and 213 three in one of arch film portion heat
Machine-shaping is pressed, makes to make molding vibrating diaphragm 21 with good continuity, the vibration processes of vibrating diaphragm 21 are more stable, will not
The normal vibration sounding of vibrating diaphragm 21 is influenced because there is gap between three.
In another embodiment of the utility model, as shown in Figures 1 to 3, the outer peripheral edge in arch film portion 213 is in the horizontal direction
Cyclic annular clinch 214 is extended to form, in this way, passing through when the vibrating diaphragm 21 of the present embodiment is fixed on the bracket of loudspeaker
The ring-type clinch 214 and bracket overlap joint are fixed.
As shown in figures 4-6, another embodiment of the utility model additionally provides a kind of loudspeaker, including magnetic circuit system 10,
Vibrational system 20, loudspeaker support 30 and above-mentioned vibrating diaphragm 21, loudspeaker support 30 include frame 32 and U cup 31, frame 32
It is mutually fastened and connected with U cup 31 and encloses to set together to form installation cavity, magnetic circuit system 10 and vibrational system 20 are contained in installation sky
Intracavitary, vibrating diaphragm 21 is fixedly connected by its cyclic annular clinch 214 with frame 32.
The loudspeaker of the present embodiment, due to having used above-mentioned vibrating diaphragm 21, diaphagras when high frequency is reduced, vibrating diaphragm 21
High frequency characteristics it is more excellent, high frequency curve is more smooth, and loudspeaker tonequality effect is more preferable, and user experience is more preferably.
In the present embodiment, as shown in figures 4-6, it is provided with the first reinforcing rib 211 in the hemispherical film portion 211 of vibrating diaphragm 21,
The second reinforcing rib 2131 is provided in arch film portion 213, in this way, setting respectively in hemispherical film portion 211 and arch film portion 213
The first reinforcing rib 2111 and the second reinforcing rib 2131 are set, the strong of hemispherical film portion 211 and arch film portion 213 can be further increased
Degree improves the power tolerance of vibrating diaphragm 21, increases its anti-air-flow impact capacity, enhancing vibrating diaphragm 21 is steady in big stroke movement
It is qualitative, it avoids hemispherical film portion 211 and arch film portion 213 from deforming, promotes the high frequency characteristics of vibrating diaphragm 21, also, each first reinforces
Muscle 2111 and the equidistant evenly spaced setting of each second reinforcing rib 2131, are conducive to the uniform raising of 21 integral rigidity of vibrating diaphragm,
The whole intensity homogeneity of vibrating diaphragm 21 is more preferable, and the power for keeping vibrating diaphragm 21 suffered when vibrating is evenly dispersed, it is ensured that vibrating diaphragm 21 is in loudspeaker
Magnetism circuit in can remain linear displacement, reduce the diaphagras of vibrating diaphragm 21, further promote 21 quality of vibrating diaphragm.
Also, the height of the vibrating diaphragm 21 of the present embodiment, the periphery away from hemispherical film portion 211 in arch film portion 213 is big
In or equal to hemispherical film portion 211 centre height, in this way, hemispherical film portion 211 can be in arch film portion 213
The oscillation space internal vibration for setting and being formed is enclosed, bigger oscillation space is provided for hemispherical film portion 211, can effectively extend vibration
The vibration frequency range of film 21.
In the present embodiment, as shown in Figure 4 and Figure 5, the height of the periphery away from hemispherical film portion 211 in arch film portion 213
Degree is greater than or equal to the height in the centre in hemispherical film portion 211, the i.e. inside that is housed in frame 32 substantially of vibrating diaphragm 21, keeps away
Exempt from the interference and damage due to vibrating diaphragm 21 protrudes out frame 32 by outside environmental elements.
In the present embodiment, as shown in Figure 5 and Figure 6, magnetic circuit system 10 includes the main magnet being sequentially stacked in U cup 31
11 and washer 12, the center of U cup 31, main magnet 11 and washer 12 be located along the same line；Main magnet 11 and washer 12 with U glasss
31 inner sidewall interval setting, forms the first magnetic gap 111, washer 12 and U glasss between main magnet 11 and the inner sidewall of U cup 31
The second magnetic gap 121 is formed between 31 inner sidewall, the first magnetic gap 111 and the second magnetic gap 121 are interconnected.
Specifically, as shown in Figure 5 and Figure 6, shape, the size of above-mentioned main magnet 11 and washer 12 are substantially suitable, main magnetic
The inner bottom surface of U cup 31 is fixed in the lower surface fitting of iron 11, and the upper surface of main magnet 11 is bonded with the lower surface of washer 12, and main
The side of magnet 11 and the lateral wall consistency from top to bottom setting of washer 12, so that between the first magnetic gap 111 and the second magnetic gap 121
The area of connection is maximum, provides maximum space for the formation of magnetic induction line, improves the phonation efficiency of the present embodiment loudspeaker.
Specifically, as shown in Figure 5 and Figure 6, the centre of above-mentioned U cup 31 offers location hole 311, and above-mentioned
Main magnet 11 and washer 12 are ring structure, when it is stacked in U cup 31, the center of above-mentioned main magnet 11 and washer 12
It is located along the same line with the center of location hole 311, and the inner sidewall of the side of main magnet 11 and washer 12 and location hole 311
Hole wall consistency from top to bottom setting, thus achieve the purpose that prepare positioning.
In the present embodiment, as shown in figures 4-6, vibrational system 20 further includes voice coil 22, the first end and ring-type of voice coil 22
The lower surface in film portion 212 is fixedly connected, and the second end of voice coil 22 passes through the second magnetic gap 121 and is suspended at the first magnetic gap 111
It is interior.The lower surface in the annular membrane portion 212 of power source of the voice coil 22 as the present embodiment loudspeaker, one end and vibrating diaphragm 21 is fixed to be connected
It connects, the other end is set in the first magnetic gap 111 by 121 rear overhang of the second magnetic gap, when extraneous tone currents signal reaches sound
When enclosing 22, voice coil 22 cuts the first magnetic gap 111 and magnetic induction line in the second magnetic gap 121 and generates mechanical oscillation to make to raise
Sound device vibration sounding.
In the present embodiment, as shown in Figure 5 and Figure 6, loudspeaker further includes the first resistance for being covered in the outer bottom of frame 32
Second damping piece 42 of damping member 41 and the outer bottom for being covered in U cup 31.In the outer bottom part of outer bottom and the U cup 31 of frame 32
First damping piece 41 and the second damping piece 42 are not set, to enhance the damping characteristic of vibrating diaphragm 21, reduce the vibration counter-force of vibrating diaphragm 21,
The vibrating effect for increasing vibrating diaphragm 21, improves the sounding effect of loudspeaker.Specifically, first damping piece 41 and second of the present embodiment
Damping piece 42 such as damps paper, damping rubber and damping plastic by the preferable damping material of damping capacity common in the market
Deng material be made, and preferably cheap and excellent damping characteristic damping paper.
In the present embodiment, as shown in figure 5, loudspeaker further includes the circuit board 50 being electrically connected with voice coil 22, circuit board
50 are fixedly installed in frame 32.The loudspeaker of the present embodiment realizes the conducting of peripheral circuits, loudspeaking by circuit board 50
Voice-frequency signalling current outside device is transferred to the inside of loudspeaker by circuit board 50.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of vibrating diaphragm, it is characterised in that: the hemispherical film portion including middle part protrusion, the outer peripheral edge Yan Shui in hemispherical film portion
Square to extending to form annular membrane portion, the horizontally extending formation arch film portion in the outer peripheral edge in the annular membrane portion, the arch
The middle part protrusion and protrusion direction in shape film portion are consistent with the protrusion direction in hemispherical film portion；The surface in hemispherical film portion
Several first reinforcing ribs are provided with, the surface in arch film portion is provided with several second reinforcing ribs, each second reinforcing rib
Equidistant arranged for interval, each first reinforcing rib radial equidistant interval centered on the center in hemispherical film portion
Arrangement.
2. vibrating diaphragm according to claim 1, it is characterised in that: first reinforcing rib is in the table in hemispherical film portion
The shape of stripes reinforcing rib that face convexes to form, and the extending direction of first reinforcing rib is the inner circumferential from hemispherical film portion
Outer peripheral edge of the edge towards hemispherical film portion.
3. vibrating diaphragm according to claim 1, it is characterised in that: second reinforcing rib is in the surface in arch film portion
Be recessed the shape of stripes reinforcing rib formed, and the extending direction of second reinforcing rib is the inner peripheral court from arch film portion
To the outer peripheral edge in arch film portion.
4. described in any item vibrating diaphragms according to claim 1~3, it is characterised in that: hemispherical film portion, the annular membrane portion
It is made with arch film portion of one or both of plastics and resin material.
5. described in any item vibrating diaphragms according to claim 1~3, it is characterised in that: the vibrating diaphragm with a thickness of 5 μm~100 μm.
6. described in any item vibrating diaphragms according to claim 1~3, it is characterised in that: the height that arches upward in arch film portion is greater than
Or the height of the top dome equal to hemispherical film portion.
7. described in any item vibrating diaphragms according to claim 1~3, it is characterised in that: the upper surface in the annular membrane portion and following table
Face rule is smooth, and the upper and lower surfaces in the annular membrane portion are parallel to the horizontal plane.
8. described in any item vibrating diaphragms according to claim 1~3, it is characterised in that: hemispherical film portion, the annular membrane portion
With arch film portion integrated hot pressing formed.
9. described in any item vibrating diaphragms according to claim 1~3, it is characterised in that: the outer peripheral edge in arch film portion is along level
Direction has extended to form cyclic annular clinch.
10. a kind of loudspeaker, it is characterised in that: including vibrating diaphragm according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266185.9U CN209462593U (en) | 2019-02-28 | 2019-02-28 | Vibrating diaphragm and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266185.9U CN209462593U (en) | 2019-02-28 | 2019-02-28 | Vibrating diaphragm and loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462593U true CN209462593U (en) | 2019-10-01 |
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ID=68047059
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920266185.9U Active CN209462593U (en) | 2019-02-28 | 2019-02-28 | Vibrating diaphragm and loudspeaker |
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| Country | Link |
|---|---|
| CN (1) | CN209462593U (en) |
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2019
- 2019-02-28 CN CN201920266185.9U patent/CN209462593U/en active Active
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