CN214228468U - Loudspeaker for miniature projector - Google Patents
Loudspeaker for miniature projector Download PDFInfo
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- CN214228468U CN214228468U CN202022712136.9U CN202022712136U CN214228468U CN 214228468 U CN214228468 U CN 214228468U CN 202022712136 U CN202022712136 U CN 202022712136U CN 214228468 U CN214228468 U CN 214228468U
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- voice coil
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- iron bowl
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Abstract
The utility model discloses a speaker for miniature projecting apparatus, its characterized in that: the utility model discloses a preceding shell, vibrating diaphragm, support, play ripples, voice coil loudspeaker voice coil, china department, magnet, U-shaped iron bowl, backshell, sound hole, frame, wire casing, voice coil loudspeaker voice coil hole, triangular supports column cap, vibration membrane groove, play ripples groove, iron bowl card holds in the palm, iron bowl groove, voice coil loudspeaker voice coil hold in the palm the shoulder, the groove of penetrating sound, detain the limit, the integrated configuration of installation piece realizes that miniature projecting apparatus speaker is small, power is big and high acoustic pressure, vibration sensitivity is high, resonance is effectual, sound production sensitivity is high, the volume is big, tone quality is good, the tone quality is graceful, fidelity is high, simple structure is reasonable. Design scientific and reasonable adopts plane vibrating diaphragm and special resonance cavity structure, compromises the needs of high frequency and low frequency, can produce graceful tone quality, and the thickness of audio amplifier is very thin simultaneously, only 1/3 of conventional audio amplifier thickness, the installation and the use of the various occasions of wide adaptation. The defects of the prior art are overcome.
Description
Technical Field
The utility model relates to a speaker technical field especially relates to a speaker for miniature projecting apparatus.
Background
The miniature projector in the prior art adopts the great ordinary speaker of volume, leads to the whole volume increase of miniature projector, adopts the less ordinary miniature speaker of volume, and power is little, and acoustic pressure and vibration are low, and tone quality and audio can not satisfy the needs of broadcast. Because of its small size, the micro projector needs a small size, high power and high sound pressure speaker to achieve an ideal playing effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a speaker for miniature projecting apparatus, the problem of the needs that the miniature projecting apparatus speaker of reasonable prior art has solved effectively that leads to miniature projecting apparatus's whole volume increase, or power is little, acoustic pressure and vibration are low, tone quality and audio can not satisfy the broadcast.
The utility model adopts the following technical scheme:
the utility model provides a speaker for miniature projecting apparatus, includes preceding shell, vibrating diaphragm, support, bullet ripples, voice coil loudspeaker voice coil, china department, magnet, U-shaped iron bowl, backshell, sound hole, frame, wire casing, voice coil loudspeaker voice coil hole, triangular supports column cap, vibration diaphragm groove, bullet ripples groove, iron bowl card hold in the palm, iron bowl groove, voice coil loudspeaker voice coil support shoulder, pass through the sound groove, detain limit, installation piece, its characterized in that:
the front shell is in a round-corner rectangle shape, sound holes in the round-corner rectangle shape are formed in the front side of the front shell, a frame is vertically arranged on the rear side edge of the front shell, a buckling edge is arranged in a right-angled concave mode in a port of the frame, a wire groove is formed in the buckling edge at one end of the frame, a vibrating diaphragm is arranged in the front shell in a connected mode, elastic waves are arranged on the rear side edge of the vibrating diaphragm in a retracted mode, a support is arranged on the four corners of the inner bottom surface of the front shell in a connected mode, a voice coil hole is formed in the center of the support and the center of the elastic waves, triangular support column heads are arranged on the four corners of the front side of the support and connected with the four corners of the inner bottom surface of the front shell in a supporting mode, a vibrating diaphragm groove and an elastic wave groove are arranged on the inner wall of the front side in a stepped mode, the rear side edges of the vibrating diaphragm and the elastic waves are respectively arranged in the vibrating diaphragm groove and the elastic wave groove in a clamping mode, an iron bowl groove is arranged on the two sides of the four corners between the iron bowl groove and the vibrating groove, the iron bowl groove and the iron bowl clamping support are fixedly connected with a U-shaped iron bowl, four corners and the bottom surface of the U-shaped iron bowl are provided with sound transmission grooves, a rectangular magnet is arranged on the bottom surface in the U-shaped iron bowl in a connecting mode, a rectangular washer is arranged on the front side surface of the magnet in a connecting mode, a rectangular voice coil is arranged on the periphery of the washer and the magnet in a connecting mode, a voice coil supporting shoulder with a right-angled concave shape is arranged on the outer wall of the front end of the voice coil, the front end of the voice coil penetrates through a voice coil hole formed in the center of the support and the center of the elastic wave to be connected with the rear side surface of the vibrating diaphragm, the voice coil supporting shoulder is connected with the rear side surface of the elastic wave, a rectangular rear shell is arranged on the periphery and the rear side of the support in a connecting mode, a buckling edge is arranged on the right-angled concave shape of the outer wall of the front port of the rear shell, a wire groove is arranged on the buckling edge of one end of the front shell and the wire groove in a corresponding mode, and installation blocks are arranged at two ends of the rear shell, the speaker for a pico projector is constituted.
Further, the bracket is made of hard plastic or metal.
Furthermore, the rear shell, the voice coil hole and the sound transmitting groove form a resonant sound cavity.
The utility model has the beneficial technical effects that:
the utility model discloses a speaker for miniature projecting apparatus has solved the problem that prior art's miniature projecting apparatus speaker leads to the whole volume increase of miniature projecting apparatus, or power is little, acoustic pressure and vibration are low, tone quality and audio can not satisfy the needs of broadcast rationally effectively.
The utility model discloses a preceding shell, vibrating diaphragm, support, play ripples, voice coil loudspeaker voice coil, china department, magnet, U-shaped iron bowl, backshell, sound hole, frame, wire casing, voice coil loudspeaker voice coil hole, triangular supports column cap, vibration membrane groove, play ripples groove, iron bowl card holds in the palm, iron bowl groove, voice coil loudspeaker voice coil hold in the palm the shoulder, the groove of penetrating sound, detain the limit, the integrated configuration of installation piece realizes that miniature projecting apparatus speaker is small, power is big and high acoustic pressure, vibration sensitivity is high, resonance is effectual, sound production sensitivity is high, the volume is big, tone quality is good, the tone quality is graceful, fidelity is high, simple structure is reasonable. Design scientific and reasonable adopts plane vibrating diaphragm and special resonance cavity structure, compromises the needs of high frequency and low frequency, can produce graceful tone quality, and the thickness of audio amplifier is very thin simultaneously, only 1/3 of conventional audio amplifier thickness, the installation and the use of the various occasions of wide adaptation. The defects of the prior art are overcome.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic releasing diagram of the present invention.
Fig. 3 is a schematic sectional structure of the present invention.
Shown in the figure: 1-front shell, 2-vibrating diaphragm, 3-support, 4-damper, 5-voice coil, 6-washer, 7-magnet, 8-U-shaped iron bowl, 9-rear shell, 10-sound hole, 11-frame, 12-wire groove, 13-voice coil hole, 14-triangular support column head, 15-vibrating diaphragm groove, 16-damper groove, 17-iron bowl clamp, 18-iron bowl groove, 19-voice coil shoulder support, 20-sound transmission groove, 21-buckle edge and 22-mounting block.
Detailed Description
The following description of the embodiments will help the public to understand the present invention, but the specific embodiments given by the applicant should not be considered as limiting the technical solution of the present invention, and any changes in the definition of the components or technical features and/or in the form of the overall structure rather than substantial changes should be considered as the protection scope defined by the technical solution of the present invention.
Example (b):
as shown in fig. 1-3, a speaker for a micro projector includes a front housing 1, a diaphragm 2, a bracket 3, a damper 4, a voice coil 5, a washer 6, a magnet 7, a U-shaped iron bowl 8, a rear housing 9, a sound hole 10, a frame 11, a wire slot 12, a voice coil hole 13, a triangular support column head 14, a diaphragm slot 15, a damper slot 16, an iron bowl clamp 17, an iron bowl slot 18, a voice coil support shoulder 19, a sound transmission slot 20, a fastening edge 21, and a mounting block 22.
The front shell 1 is first set. And the front shell 1 is provided with a sound hole 10, a frame 11, a wire casing 12 and a fastening edge 21. The sound hole 10 is rectangular and is arranged on the front side face, the vertical edge of the frame 11 is arranged on the rear side face, the buckling edge 21 is perpendicularly recessed and arranged on the side wall of the inner side of the port at the rear end, and the wire casing 12 is arranged on the buckling edge 21 at one end.
The holder 3 is then set. The support 3 is provided with a voice coil hole 13, a triangular support column head 14, a diaphragm groove 15, an elastic wave groove 16, an iron bowl clamping support 17 and an iron bowl groove 18. Voice coil hole 13 is the penetrating setting of arc fillet rectangle and is in the center of support 3 the triangular supports column cap 14 is the protruding form setting of triangle-shaped in front side four corners, diaphragm groove 15 and ripples groove 16 are the echelonment setting and are in voice coil hole 13 front side inner wall, iron bowl groove 18 sets up voice coil hole 13 rear side inner wall, iron bowl card holds in the palm 17 and is in towards the setting of protrusion between ripples groove 16 and iron bowl groove 18 the both sides of voice coil hole 13's arc fillet. And a vibrating diaphragm 2 and an elastic wave 4 are respectively arranged in the vibrating diaphragm groove 15 and the elastic wave groove 16, the back side surface of the vibrating diaphragm 2 is attached to the front side surface of the elastic wave 4, and a voice coil hole 13 which is arc-shaped rounded rectangle is arranged at the center of the elastic wave 4. The iron bowl clamping support 17 and the iron bowl groove 18 are fixedly connected with a rectangular U-shaped iron bowl 8 with an arc-shaped fillet, and the arc-shaped fillet and the bottom surface of the U-shaped iron bowl 8 are provided with a sound transmission groove 20. U-shaped iron bowl 8's interior bottom surface is connected and is set up and be arc fillet rectangular magnet 7, connects magnet 7's leading flank sets up and is arc fillet rectangular china department 6 and magnet 7's periphery cover are established and are arc fillet rectangular voice coil loudspeaker voice coil 5 front end lateral wall right angle concave recess of voice coil loudspeaker voice coil 5 sets up voice coil support shoulder 19, will 5 front ends of voice coil loudspeaker voice coil are passed support 3 and play ripples 4 are equipped with voice coil hole 13 with the trailing flank of vibrating diaphragm 2 is connected, will voice coil loudspeaker voice coil support shoulder 19 with the trailing flank of playing ripples 4 is connected. And then the support 3 is fixedly connected in the front shell 1, the front side surface of the vibrating diaphragm 2 is connected with the sound hole 10, and the triangular support column head 14 is fixedly connected with four corners of the inner bottom surface of the front shell 1.
Finally, the rear housing 9 is provided. A buckling edge 21 is arranged on the inner side wall of a front side port of the rear shell 9 in a right-angled concave mode, a wire casing 12 is arranged on the buckling edge 21 at one end and corresponds to the front shell 1, and mounting blocks 22 are arranged at two ends of the rear shell 9. The wire casing 12 and the buckling edge 21 arranged on the front shell 1 and the rear shell 9 are buckled, connected and fixed. The implementation of the speaker for a pico projector is completed.
Of course, the present invention can have other various embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (3)
1. The utility model provides a speaker for miniature projecting apparatus, includes preceding shell, vibrating diaphragm, support, bullet ripples, voice coil loudspeaker voice coil, china department, magnet, U-shaped iron bowl, backshell, sound hole, frame, wire casing, voice coil loudspeaker voice coil hole, triangular supports column cap, vibration diaphragm groove, bullet ripples groove, iron bowl card hold in the palm, iron bowl groove, voice coil loudspeaker voice coil support shoulder, pass through the sound groove, detain limit, installation piece, its characterized in that:
the front shell is in a round-corner rectangle shape, sound holes in the round-corner rectangle shape are formed in the front side of the front shell, a frame is vertically arranged on the rear side edge of the front shell, a buckling edge is arranged in a right-angled concave mode in a port of the frame, a wire groove is formed in the buckling edge at one end of the frame, a vibrating diaphragm is arranged in the front shell in a connected mode, elastic waves are arranged on the rear side edge of the vibrating diaphragm in a retracted mode, a support is arranged on the four corners of the inner bottom surface of the front shell in a connected mode, a voice coil hole is formed in the center of the support and the center of the elastic waves, triangular support column heads are arranged on the four corners of the front side of the support and connected with the four corners of the inner bottom surface of the front shell in a supporting mode, a vibrating diaphragm groove and an elastic wave groove are arranged on the inner wall of the front side in a stepped mode, the rear side edges of the vibrating diaphragm and the elastic waves are respectively arranged in the vibrating diaphragm groove and the elastic wave groove in a clamping mode, an iron bowl groove is arranged on the two sides of the four corners between the iron bowl groove and the vibrating groove, the iron bowl groove and the iron bowl clamping support are fixedly connected with a U-shaped iron bowl, four corners and the bottom surface of the U-shaped iron bowl are provided with sound transmission grooves, a rectangular magnet is arranged on the bottom surface in the U-shaped iron bowl in a connecting mode, a rectangular washer is arranged on the front side surface of the magnet in a connecting mode, a rectangular voice coil is arranged on the periphery of the washer and the magnet in a connecting mode, a voice coil supporting shoulder with a right-angled concave shape is arranged on the outer wall of the front end of the voice coil, the front end of the voice coil penetrates through a voice coil hole formed in the center of the support and the center of the elastic wave to be connected with the rear side surface of the vibrating diaphragm, the voice coil supporting shoulder is connected with the rear side surface of the elastic wave, a rectangular rear shell is arranged on the periphery and the rear side of the support in a connecting mode, a buckling edge is arranged on the right-angled concave shape of the outer wall of the front port of the rear shell, a wire groove is arranged on the buckling edge of one end of the front shell and the wire groove in a corresponding mode, and installation blocks are arranged at two ends of the rear shell, the speaker for a pico projector is constituted.
2. A loudspeaker according to claim 1, wherein: the bracket is made of hard plastic or metal.
3. A loudspeaker according to claim 1, wherein: the rear shell, the voice coil hole and the sound transmitting groove form a resonance sound cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022712136.9U CN214228468U (en) | 2020-11-22 | 2020-11-22 | Loudspeaker for miniature projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022712136.9U CN214228468U (en) | 2020-11-22 | 2020-11-22 | Loudspeaker for miniature projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214228468U true CN214228468U (en) | 2021-09-17 |
Family
ID=77698396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022712136.9U Active CN214228468U (en) | 2020-11-22 | 2020-11-22 | Loudspeaker for miniature projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214228468U (en) |
-
2020
- 2020-11-22 CN CN202022712136.9U patent/CN214228468U/en active Active
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