CN209017256U - Earphone - Google Patents
Earphone Download PDFInfo
- Publication number
- CN209017256U CN209017256U CN201821960944.3U CN201821960944U CN209017256U CN 209017256 U CN209017256 U CN 209017256U CN 201821960944 U CN201821960944 U CN 201821960944U CN 209017256 U CN209017256 U CN 209017256U
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- China
- Prior art keywords
- screen cloth
- convex portion
- positioning
- earphone
- tuning screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of earphone, which includes shell and tuning screen cloth；Sound outlet hole is offered on the shell；The tuning screen cloth is attached at the inner wall of the shell, and to cover the sound outlet hole, its circumferential part of all edges of the tuning screen cloth is protruding with positioning convex portion, and the inner wall of the shell is equipped with the first positioning groove for positioning convex portion adaptation accommodating.The installation positional accuracy of the tuning screen cloth of earphone can be improved in the technical solution of the utility model.
Description
Technical field
The utility model relates to electro-acoustic conversion device field, in particular to a kind of earphone.
Background technique
Currently, sound outlet hole would generally be equipped on the shell of earphone, tuning screen cloth can be generally posted on the sound outlet hole.Tuning
On the one hand screen cloth can prevent dust from entering inside earphone, on the other hand can also pass through the size in the screen cloth aperture of tuning screen cloth
It influences entrant sound effect and achievees the purpose that tuning, if the screen cloth of tuning screen cloth deflection during fitting, it will cause entrant sound amounts
It changes, and then influences acoustical curve, in this way, for the consistency for guaranteeing acoustics, when screen cloth being attached on sound outlet hole every time just
It must assure that position consistency.However, during practical set, especially when screen cloth is the irregular shapes such as ellipse, sector
When, screen cloth easily causes deflection during being attached on sound outlet hole, so as to cause the variation of entrant sound amount, influences the entrant sound of earphone
Effect.
Utility model content
The main purpose of the utility model is to provide a kind of earphone, it is intended to which the installation positioning for improving the tuning screen cloth of earphone is quasi-
Exactness.
To achieve the above object, the utility model proposes earphone include shell and tuning screen cloth；It is opened up on the shell
There is sound outlet hole；The tuning screen cloth is attached at the inner wall of the shell, to cover the sound outlet hole, the week of the tuning screen cloth
Its circumferential part of edge is protruding with positioning convex portion, and the inner wall of the shell is equipped with for positioning convex portion adaptation accommodating
One positioning groove.
Optionally, the positioning convex portion positioning bonding is in first positioning groove.
Optionally, the positioning convex portion is Nian Jie with the groove bottom of first positioning groove by double-sided adhesive.
Optionally, the positioning convex portion is located in the middle part of the top edge of the tuning screen cloth.
Optionally, the positioning convex portion is arranged in rectangle, and the width of the positioning convex portion and length range be 1mm extremely
2mm。
Optionally, the second positioning groove is equipped at the peritreme of the neighbouring sound outlet hole on the inner wall of the shell.
Optionally, second positioning groove is in that the outer edge profiling with the tuning screen cloth is arranged.
Optionally, the tuning screen cloth has the bonding region of neighboring edge, and the bonding region passes through double-sided adhesive and institute
State the groove bottom bonding of the second positioning groove.
Optionally, the depth of second positioning groove is greater than the thickness of the double-sided adhesive.
In the technical solution of the utility model, since the outer edge of tuning screen cloth is convexly equipped with positioning convex portion, while outside
Therefore the inner wall of shell, which is equipped with, is being labelled to out sound for tuning screen cloth for the first positioning groove of positioning convex portion adaptation accommodating
When on hole, by positioning convex portion and the adaptation positioning between positioning groove is defined, so that it may ensure tuning screen cloth in the process of being sticked
In will not deflection, to will not lead to the case where influencing the entrant sound effect of earphone because of the variation of entrant sound amount generation, i.e., this is practical
Novel technical solution can effectively improve the installation positional accuracy of tuning screen cloth.At the same time, when tuning screen cloth is equipped with
After positioning convex portion, so that it may the border width of tuning screen cloth is effectively increased, so that tweezers etc. can mainly be clamped at positioning convex portion,
Clamping of the tweezers to tuning screen cloth is greatly facilitated, i.e. the installation that the setting of positioning convex portion can also improve tuning screen cloth is convenient
Property.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the part enclosure equipped with sound outlet hole, double-sided adhesive and the tuning screen cloth of one embodiment of the utility model earphone
Explosive view.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Shell | 11 | Sound outlet hole |
| 12 | First positioning groove | 13 | Second positioning groove |
| 2 | Tuning screen cloth | 21 | Positioning convex portion |
| 3 | Double-sided adhesive |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of earphones.
According to Fig. 1, in an embodiment of the utility model, which includes shell 1 and tuning screen cloth 2；It is offered on shell 1
Sound outlet hole 11；Tuning screen cloth 2 is attached at the inner wall of shell 1, to cover sound outlet hole 11, its circumferential direction of all edges of tuning screen cloth 2
Part is protruding with positioning convex portion 21, and the inner wall of shell 1 is equipped with the first positioning groove 12 for the adaptation accommodating of positioning convex portion 21.
It should be noted that, for earphone, generally include hollow shell 1 herein and be mounted on raising in 1 inner cavity of shell
The inner cavity of shell 1 is separated into preceding operatic tunes (not shown) and rear operatic tunes (not shown) by sound device monomer (not shown), loudspeaker monomer,
And the sound outlet hole 11 being set on shell 1 is then connected to the preceding operatic tunes and external environment, so that the sound that the loudspeaker monomer in earphone issues
Sound can be passed to the ear of user through the sound outlet hole 11.And tuning screen cloth 2 can be generally posted on sound outlet hole 11, the tuning screen cloth
2 other than it can prevent dust from entering earphone inside, and entrant sound effect can also be influenced by the size in the aperture of tuning screen cloth 2
Fruit and achieve the purpose that tuning.However, sound outlet hole 11 and tuning screen cloth 2 are then smaller due to earphone small volume, therefore in practical dress
With in the process, especially when tuning screen cloth 2 is the irregular shapes such as ellipse, sector, tuning screen cloth 2 is being attached to sound outlet hole 11
On process in just easily cause deflection, so as to cause the variation of entrant sound amount, influence the entrant sound effect of earphone.
In the present embodiment, since the outer edge of tuning screen cloth 2 is convexly equipped with positioning convex portion 21, while in shell 1
Therefore wall surface, which is equipped with, is being labelled to sound outlet hole for tuning screen cloth 2 for the first positioning groove 12 of the adaptation accommodating of positioning convex portion 21
When on 11, by positioning convex portion 21 and the adaptation positioning between positioning groove is defined, so that it may ensure that tuning screen cloth 2 had been sticked
In journey will not deflection, so that the case where influencing the entrant sound effect of earphone because of the variation of entrant sound amount generation, i.e. this reality will not be caused
It can effectively improve the installation positional accuracy of tuning screen cloth 2 with novel technical solution.At the same time, when on tuning screen cloth 2
After positioning convex portion 21, so that it may the border width of tuning screen cloth 2 is effectively increased, so that tweezers etc. can mainly be clamped in positioning
At protrusion 21, clamping of the tweezers to tuning screen cloth 2 is greatly facilitated, i.e. the setting of positioning convex portion 21 can also improve tuning screen cloth
2 installation convenience.
Specifically, in the present embodiment, 21 positioning bonding of positioning convex portion is in the first positioning groove 12.Further, such as Fig. 1
Shown, positioning convex portion 21 is preferably Nian Jie with the groove bottom of the first positioning groove 12 by double-sided adhesive 3.Certainly, in other embodiments
In, positioning convex portion 21 can also be adhered to the first locating slot using modes such as glue, alternatively, positioning convex portion 21 directly positions holding
It can also be with as long as positioning convex portion 21 can play its positioning work with the adaptation connection of the first positioning groove 12 in the first positioning groove 12
With, but double-sided adhesive 3 is pasted in positioning convex portion 21 in the present embodiment and is adhered to the scheme of the first positioning groove 12, it not only can be with
The bonding strength of enhancing between the two, reinforces positioning action, can also prevent from determining because of positioning convex portion 21 and first to a certain extent
Gas leak phenomenon caused by position groove 12 is detached from.
Further, referring to Fig.1, in the present embodiment, positioning convex portion 21 is preferably placed in the one side edge of tuning screen cloth 2
Portion.It is appreciated that this setting energy Convenient tweezers clamps tuning screen cloth 2, it is not easy 2 tiled configuration of tuning screen cloth picked up symmetrically partially
Tiltedly, to achieve the purpose that the installation positional accuracy for improving tuning screen cloth 2.
In the present embodiment, the specific fan-shaped setting of tuning screen cloth 2, it is of course also possible to rounded according to the design needs, ellipse
The other shapes such as round, rectangular.And positioning convex portion 21 is preferably arranged in the rectangle of Convenient tweezers clamping, and the width of positioning convex portion 21
Degree and length range are generally preferred to 1mm to 2mm.Certainly, positioning convex portion 21 also can be, but not limited to be ellipse or triangle
Or the shapes setting such as trapezoidal, specific length and width can design according to actual needs.
Further, as shown in Figure 1, in the present embodiment, being set at the peritreme of neighbouring sound outlet hole 11 on the inner wall of shell 1
There is the second positioning groove 13.The effect of second positioning groove 13 is the edge in order to accommodate tuning screen cloth 2, and the second positioning is recessed
Slot 13 is preferably arranged in the outer edge profiling with tuning screen cloth 2, and the shape and tune for referring to the second positioning groove 13 is arranged in profiling herein
The outer edge shape adaptation of sound screen cloth 2 can further enhance the installation positional accuracy of tuning screen cloth 2 in this way, prevent because of tuning
Screen cloth 2 is crooked and entrant sound amount is caused to change.
Here, the first positioning groove 12 is connected to the second positioning groove 13, i.e. the first positioning groove 12 and the second positioning is recessed
Slot 13 forms a big locating slot after being connected to, which is adapted to 2 global shape of tuning screen cloth for being equipped with positioning convex portion 21,
To obtain maximum installation positional accuracy.
Referring to Fig.1, in the present embodiment, specifically, tuning screen cloth 2 has the bonding region of neighboring edge, bonding region
It is Nian Jie with the groove bottom of the second positioning groove 13 by double-sided adhesive 3.In other words, in order to by 1 phase of shell of tuning screen cloth 2 and earphone
Fitting, on medial surface of the tuning screen cloth 2 towards 1 inner wall of shell, in the edge of tuning screen cloth 2 peripheral portion, that is, bonding region
Double-sided adhesive 3 is usually posted, and no the shape in the region of patch double-sided adhesive 3 is not then consistent with the shape of sound outlet hole 11 among tuning screen cloth 2.
Corresponding to this, double-sided adhesive 3 also in a ring, and shape should be also connected to the first positioning groove 12 and the second positioning groove 13 after formed
Big locating slot it is consistent, in this way, passing through the bonding effect of double-sided adhesive 3, so that it may effectively prevent the 2 edge gas leakage of tuning screen cloth
It happens.Certainly, in other embodiments, tuning screen cloth 2 can also use the modes such as glue be bonded, but this setting compared to
The bonding way of double-sided adhesive 3 has when may generate the excessive glue phenomenon or very few glue amount of obstruction mesh and generates because of leak adhesive
Gas leakage, both of which will cause the variation of entrant sound amount, and then influence the entrant sound effect of earphone.
And further, the depth of the second positioning groove 13 is greater than the thickness of double-sided adhesive 3, so that double-sided adhesive 3 and extremely
A possibility that edge of small part tuning screen cloth 2 is located in the second positioning groove 13, further decreases gas leakage.
Herein specifically, since tuning screen cloth 2 is usually smaller, then the width of its bonding region and double-sided adhesive 3
It is just smaller, therefore in the mounting operation of existing tuning screen cloth 2, tweezers point is easy to can be by the double-sided adhesive 3 below tuning screen cloth 2
Fold is caused, gas leakage easily occurs so as to cause being bonded bad.And in the present embodiment, what it is due to tweezers clamping is positioning convex portion
21, even if the bonding that will not influence 2 edge of tuning screen cloth is close after the double-sided adhesive 3 in positioning convex portion 21 forms fold
Feng Du to can ensure that tuning screen cloth 2 will not be from edge gas leakage, and then influences the variation of entrant sound amount.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (9)
1. a kind of earphone characterized by comprising
Shell offers sound outlet hole on the shell；And
Tuning screen cloth, the tuning screen cloth are attached at the inner wall of the shell, to cover the sound outlet hole, the tuning screen cloth
Its circumferential part of all edges be protruding with positioning convex portion, the inner wall of the shell is equipped with for positioning convex portion adaptation accommodating
The first positioning groove.
2. earphone as described in claim 1, which is characterized in that the peritreme of the neighbouring sound outlet hole on the inner wall of the shell
Place is equipped with the second positioning groove.
3. earphone as claimed in claim 2, which is characterized in that second positioning groove is in the outside with the tuning screen cloth
Edge profiling setting.
4. earphone as claimed in claim 3, which is characterized in that the tuning screen cloth has the bonding region of neighboring edge, institute
It is Nian Jie with the groove bottom of second positioning groove by double-sided adhesive to state bonding region.
5. earphone as claimed in claim 4, which is characterized in that the depth of second positioning groove is greater than the double-sided adhesive
Thickness.
6. such as the described in any item earphones of claim 2 to 5, which is characterized in that the positioning convex portion positioning bonding is in described the
One positioning groove.
7. earphone as claimed in claim 6, which is characterized in that the positioning convex portion is recessed by double-sided adhesive and first positioning
The groove bottom of slot is bonded.
8. earphone as claimed in claim 6, which is characterized in that the positioning convex portion is located at the one side edge of the tuning screen cloth
Middle part.
9. earphone as described in claim 1, which is characterized in that the positioning convex portion is arranged in rectangle, and the positioning convex portion
Width and length range be 1mm to 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821960944.3U CN209017256U (en) | 2018-11-26 | 2018-11-26 | Earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821960944.3U CN209017256U (en) | 2018-11-26 | 2018-11-26 | Earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209017256U true CN209017256U (en) | 2019-06-21 |
Family
ID=66843123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821960944.3U Active CN209017256U (en) | 2018-11-26 | 2018-11-26 | Earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209017256U (en) |
-
2018
- 2018-11-26 CN CN201821960944.3U patent/CN209017256U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |