CN207968941U

CN207968941U - Loud speaker

Info

Publication number: CN207968941U
Application number: CN201820241551.0U
Authority: CN
Inventors: 刘冬冬; 黄荣贵; 邹宝达
Original assignee: Jiangxi Lian Electronic Ltd By Share Ltd
Current assignee: Jiangxi Lian Electronic Ltd By Share Ltd
Priority date: 2018-02-10
Filing date: 2018-02-10
Publication date: 2018-10-12
Anticipated expiration: 2028-02-10

Abstract

The utility model provides a kind of loud speaker, including shell, voice coil, vibrating diaphragm and middle patch, loud speaker further includes the guide part of annular, guide part includes butting section, the first extension, and second extension, butting section is enclosed with the first extension into the first positioning angle, and the second extension encloses the second positioning angle with butting section.Above-mentioned loud speaker is in assembling, first voice coil is fixed in shell, vibrating diaphragm is sticky in voice coil upper end by glue again, then middle patch is fixed on to the upper end of the butting section of guide part by glue, and make the edge of middle patch be resisted against the first extension and butting section enclose first positioning angle, the lower end of butting section is sticky in the upper end of vibrating diaphragm by glue again, so that the edge of vibrating diaphragm is resisted against the second positioning angle that the second extension is enclosed with butting section simultaneously, the positioning and fixation of the vibrating diaphragm and middle patch of loud speaker can be completed without tool fixture.

Description

Loud speaker

Technical field

The utility model is related to electro-acoustic product technical field, more particularly to a kind of loud speaker.

Background technology

Loud speaker is the important acoustic element of contemporary portable electronic device, is widely used in mobile phone, computer, tablet, hand The portable devices such as table.Loud speaker module is used to complete the conversion of electric signal and acoustical signal, is a kind of energy conversion device, packet Shell is included, and the vibrating diaphragm and voice coil being housed in shell, wherein vibrating diaphragm vibrates under the active force of voice coil, and vibrating diaphragm is filling The positioning accuracy mixed directly affects the reliability of speaker product.

It is additionally provided in one and pastes in traditional design, in the middle part of vibrating diaphragm, to prevent vibrating diaphragm to be deformed after long-time is vibrated, During assembling loud speaker, vibrating diaphragm, which is attached to under the location fit of external tool fixture, completes assembly, to ensure vibrating diaphragm It is accurately mounted on scheduled position with middle patch.

But because tool fixture has processing consistency, and tool fixture long-time service can be worn, and can cause vibrating diaphragm in Deviation, the final reliability for influencing loud speaker occur for positioning when being attached to assembling.

Utility model content

The purpose of this utility model is to provide a kind of loud speaker, to solve to there is processing consistency and tooling because of tool fixture Jig long-time service can be worn, so cause vibrating diaphragm and in the problem of deviation occurs for positioning when being attached to assembling.

A kind of loud speaker, including shell, be disposed in the housing voice coil, set on the voice coil upper end vibrating diaphragm and set Middle patch in the vibrating diaphragm upper end, the loud speaker further include the guide part of annular, and the guide part includes being resisted against described shake The butting section of film upper end, the upper end-face edge position set on the butting section and the first extension for extending straight up, Yi Jishe In the butting section lower end and the second extension for extending straight down, the butting section is enclosed with first extension First positioning angle, second extension and the butting section enclose the second positioning angle, when installation, the side of the middle patch Edge is resisted against the first positioning angle, and the upper end of the vibrating diaphragm is resisted against the lower end of the butting section, the vibrating diaphragm and described The edge of voice coil is resisted against the second positioning angle.

Compared to the prior art, voice coil is first fixed in shell, then vibrating diaphragm is passed through glue by above-mentioned loud speaker in assembling Water is sticky in voice coil upper end, then middle patch is fixed on to the upper end of the butting section of guide part by glue, and makes the edge of middle patch Be resisted against the first extension and the first positioning angle for enclosing of butting section, then the lower end of butting section is sticky in by glue The upper end of vibrating diaphragm, while the edge of vibrating diaphragm being made to be resisted against the second positioning angle that the second extension is enclosed with butting section, it is not necessarily to The positioning and fixation of the vibrating diaphragm and middle patch of loud speaker can be completed by tool fixture.

Further, the shape of the cross section of the guide part is in " Z " font.

Further, the vibrating diaphragm includes lug boss and is respectively arranged on two interconnecting pieces of the lug boss both sides, described Butting section is resisted against the upper end of an interconnecting piece.

Further, the height of first extension is less than the height of the lug boss.

Further, the length of second extension is more than the thickness of the vibrating diaphragm.

Further, the length of the butting section is less than the length of the interconnecting piece.

Further, the shape of the butting section is identical as the shape of middle patch.

Further, it is set in the middle part of the shell there are one mounting groove, the voice coil is set in the mounting groove.

Description of the drawings

Fig. 1 is the configuration schematic diagram for the loud speaker that the utility model one embodiment provides；

Fig. 2 is the enlarged structure schematic diagram at Fig. 1 centre circles I；

Fig. 3 is the cross-sectional view of the loud speaker in Fig. 1；

Fig. 4 is the enlarged structure schematic diagram at Fig. 3 centre circles II.

Main element symbol description：

Shell	10	Lug boss	31	Butting section	51
						Mounting groove	11	Interconnecting piece	32	First extension	52
Voice coil	20	Middle patch	40	Second extension	53
						Vibrating diaphragm	30	Guide part	50

Following specific implementation mode will further illustrate the utility model in conjunction with above-mentioned attached drawing.

Specific implementation mode

The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.Several embodiments of the utility model are given in attached drawing.But the utility model can come in many different forms It realizes, however it is not limited to embodiment described herein.Make to the utility model on the contrary, purpose of providing these embodiments is Disclosure is more thorough and comprehensive.

It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement are for illustrative purposes only.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more relevant Listed Items.

Please refer to Fig.1 to Fig.4, the utility model one embodiment provide loud speaker, including shell 10, be set to the shell Voice coil 20 in body 10, the middle patch 40 set on the vibrating diaphragm 30 of 20 upper end of the voice coil and set on 30 upper end of the vibrating diaphragm, it is described Loud speaker further includes the guide part 50 of annular, specifically, in the present embodiment, the middle part of the shell 10 sets that there are one mounting grooves 11, the voice coil 20 is set in the mounting groove 11.

Specifically, in the present embodiment, the shape of the cross section of the guide part 50 is in " Z " font, the guide part 50 Including be resisted against 30 upper end of the vibrating diaphragm butting section 51, set on the butting section 51 upper end-face edge position and prolong straight up The first extension 52 stretched, and set on 51 lower end of the butting section and the second extension 53 for extending straight down, it is described to support Relying part 51 and first extension 52 are enclosed into the first positioning angle (figure does not mark), second extension 53 with it is described Butting section 51 encloses the second positioning angle (figure do not mark), and when installation, it is fixed that the edge of the middle patch 40 is resisted against described first Position angle, the upper end of the vibrating diaphragm 30 is resisted against the lower end of the butting section 51, the edge of the vibrating diaphragm 30 and the voice coil 20 It is resisted against the second positioning angle.

Voice coil 20 is first fixed on by glue in shell 10, then vibrating diaphragm 30 is passed through glue by above-mentioned loud speaker in assembling Water is sticky in 20 upper end of voice coil, then middle patch 40 is fixed on by glue to the upper end of the butting section 51 of guide part 50, and makes The edge of patch 40 be resisted against the first extension 52 and the first positioning angle that encloses of butting section 51, then will be under butting section 51 End is sticky in the upper end of vibrating diaphragm 30 by glue, while so that the edge of vibrating diaphragm 30 is resisted against the second extension 53 and being enclosed with butting section 51 Second positioning angle of synthesis, specifically, the vibrating diaphragm 30 is ring-type, it is possible to understand that, the butting section 51 connects with vibrating diaphragm 30 After connecing, the end of second extension 53 with voice coil 20, can also make the edge of the inner ring of vibrating diaphragm 30 quickly with voice coil Madial wall is aligned, and realizes that the vibrating diaphragm 30 and middle patch 40 of loud speaker can be completed without tool fixture for the quick positioning of vibrating diaphragm 30 Positioning and fixation.

Specifically, in the present embodiment, the vibrating diaphragm 30 includes lug boss 31 and is respectively arranged on 31 both sides of the lug boss Two interconnecting pieces 32, the butting section 51 is resisted against the upper end of an interconnecting piece 32.

Specifically, in order to reduce the installation space of loud speaker occupancy, the height of first extension 52 is less than described convex Play the height in portion 31.Specifically, in order to which the second positioning angle for enabling the second extension 53 and butting section 51 to enclose plays The effect of positioning, the length of second extension 53 are more than the thickness of the vibrating diaphragm 30, make the interconnecting piece 32 of vibrating diaphragm 30 can be with It is placed in and reaches in the second positioning angle completely, operating personnel can be conveniently by interconnecting piece 32 and second locating clip Angle against.

Specifically, in the present embodiment, the length of the butting section 51 is less than the length of the interconnecting piece 52, avoids reaching Guide part 50 squeezes the lug boss 31 of the vibrating diaphragm 30.

It should be understood that in different loud speakers, the shape of voice coil 20, the shape of the shape of vibrating diaphragm 30 and middle patch 40 Can be varied, therefore the shape of the butting section 31 only need to be identical as the shape of the middle patch 40.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims

1. a kind of loud speaker, including shell, be disposed in the housing voice coil, set on the voice coil upper end vibrating diaphragm and be set to The middle patch of the vibrating diaphragm upper end, which is characterized in that the loud speaker further include annular guide part, the guide part include against Butting section in the vibrating diaphragm upper end, the upper end-face edge position set on the butting section and the first extension extended straight up Portion, and set on the butting section lower end and the second extension for extending straight down, the butting section extends with described first Portion is enclosed into the first positioning angle, and second extension and the butting section enclose the second positioning angle, when installation, institute The edge for stating middle patch is resisted against the first positioning angle, and the upper end of the vibrating diaphragm is resisted against the lower end of the butting section, described The edge of vibrating diaphragm and the voice coil is resisted against the second positioning angle.

2. loud speaker according to claim 1, which is characterized in that the shape of the cross section of the guide part is in " Z " font.

3. loud speaker according to claim 1, which is characterized in that the vibrating diaphragm includes lug boss and is respectively arranged on described convex Two interconnecting pieces of portion both sides are played, the butting section is resisted against the upper end of an interconnecting piece.

4. loud speaker according to claim 3, which is characterized in that the height of first extension is less than the lug boss Height.

5. loud speaker according to claim 1, which is characterized in that the length of second extension is more than the vibrating diaphragm Thickness.

6. loud speaker according to claim 3, which is characterized in that the length of the butting section is less than the length of the interconnecting piece Degree.

7. loud speaker according to claim 1, which is characterized in that the shape phase of the shape of the butting section and the middle patch Together.

8. loud speaker according to claim 1, which is characterized in that mounting groove there are one being set in the middle part of the shell, it is described Voice coil is set in the mounting groove.