CN216774997U - Earphone set - Google Patents
Earphone set Download PDFInfo
- Publication number
- CN216774997U CN216774997U CN202220207780.7U CN202220207780U CN216774997U CN 216774997 U CN216774997 U CN 216774997U CN 202220207780 U CN202220207780 U CN 202220207780U CN 216774997 U CN216774997 U CN 216774997U
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- circuit board
- mounting groove
- groove
- earphone
- side wall
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Abstract
The utility model relates to the technical field of acoustic equipment, and discloses an earphone which comprises a shell and a circuit board, wherein the shell is provided with an installation groove, and two opposite side walls of the installation groove are provided with clamping grooves; the opposite both ends of circuit board are equipped with the elasticity fastener, and elasticity fastener joint is in the draw-in groove to it is fixed to make the circuit board installation in the mounting groove. The circuit board of the earphone provided by the utility model is more convenient and reliable to mount and fix, and is not easy to damage during mounting and fixing.
Description
Technical Field
The utility model relates to the technical field of acoustic equipment, in particular to an earphone.
Background
The earphone is internally provided with a circuit board for controlling the operation of related circuit modules of the earphone, a clamping hook structure is arranged in the shell of the traditional earphone, and the circuit board is pressed into the cavity of the shell and is limited in a clamping mode with the clamping hook structure. Because the inner space of earphones such as in-ear earphones and semi-in-ear earphones is narrow and small, when the circuit board is pressed into the earphones and is clamped with the clamping hook, a large pressing force needs to be applied to the circuit board, the operation is very inconvenient, the thickness of the circuit board is small, the structural strength is not high, and the circuit board is easy to damage during pressing operation and extrusion with the clamping hook structure.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an earphone, aiming at improving the convenience and safety of a circuit board when the circuit board is fixedly arranged in the earphone.
To achieve the above object, the present invention provides a headset, including:
the shell is provided with a mounting groove, and two opposite side walls of the mounting groove are provided with clamping grooves; and
the circuit board, the relative both ends of circuit board are equipped with the elasticity fastener, elasticity fastener joint in the draw-in groove, so that the circuit board is in the installation of mounting groove internal fixation.
In an embodiment of the utility model, at least part of the structure of the elastic clamping piece protrudes out of the outer edge of the circuit board and forms a first extending part;
the extending direction of the first extending portion and the plane where the circuit board is located form an included angle which is not 0 degree and not 180 degrees, and each first extending portion is connected with one clamping groove in a clamping mode.
In an embodiment of the utility model, the elastic clip further includes a second extending portion formed at an end of the first extending portion away from the circuit board;
the extending direction of the second extending portion and the extending direction of the first extending portion form an included angle which is not 0 degree and not 180 degrees, and the second extending portion is accommodated and limited in the clamping groove.
In an embodiment of the utility model, the elastic clip further includes a reinforcing portion formed at one end of the first extending portion close to the circuit board;
the reinforcing part is connected with the circuit board.
In an embodiment of the utility model, each of the reinforcing portions is disposed on a side of the circuit board facing away from the bottom wall of the mounting groove.
In an embodiment of the present invention, the circuit board has a first end and a second end opposite to each other in a width direction, and the first end and the second end are both provided with at least two elastic clips;
the mounting groove is provided with a first side wall and a second side wall which are oppositely arranged along the width direction of the circuit board, and the first side wall and the second side wall are both provided with at least two clamping grooves;
the elastic clamping pieces are clamped with the clamping grooves on the first side wall in a one-to-one corresponding mode, and the elastic clamping pieces on the second end are clamped with the clamping grooves on the second side wall in a one-to-one corresponding mode.
In an embodiment of the present invention, the elastic clip is a copper sheet.
In an embodiment of the utility model, the minimum distance from the notch of each card slot to the bottom wall of the mounting slot is equal.
In an embodiment of the utility model, each of the slots extends toward and communicates with the notch of the mounting groove.
In an embodiment of the utility model, a cross-sectional opening of each of the slots is square.
According to the technical scheme, the elastic clamping pieces are arranged at the two opposite ends of the circuit board, the clamping grooves are formed in the two opposite side walls of the mounting groove of the shell, and the circuit board is detachably connected with the shell through the clamping matching of the elastic clamping pieces and the clamping grooves. Because the elasticity fastener has elasticity, when installing the circuit board to the mounting groove, the tip that the circuit board was kept away from to the elasticity fastener slides the butt with the lateral wall of mounting groove, the elasticity fastener produces elastic deformation under the extrusion of mounting groove lateral wall, avoid the circuit board to produce stronger extrusion and frictional resistance effect with the lateral wall rigid contact of mounting groove, thereby can realize the installation of circuit board on the shell more conveniently, the circuit board can not receive when installing to the mounting groove yet and come from the direct extrusion force of mounting groove lateral wall and strong frictional force effect, the structural damage of circuit board has been avoided effectively. When the lateral wall of elasticity fastener along the mounting groove slides draw-in groove department, the elasticity fastener breaks away from and the card goes into in the draw-in groove with the lateral wall of mounting groove, and the circuit board passes through the joint cooperation of elasticity fastener and draw-in groove at this moment and installs fixedly in the mounting groove, under the elastic action and the spacing cooperation of elasticity fastener and draw-in groove cell wall, the circuit board even can not receive strong extrusion power with the lateral wall contact of mounting groove yet, the circuit board is difficult to concentrate and damage because of the local strong stress that lasts.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the earphone of the present invention;
fig. 2 is an exploded view of the headset of fig. 1;
fig. 3 is another exploded view of the headset of fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
21 | |
| 1a | |
22 | |
| 1b | Clamping |
3 | |
| 11 | |
31 | |
| 2 | |
32 | Reinforcing part |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. The meaning of "and/or" appearing throughout is the same and is meant to encompass three juxtapositions, exemplified by "A and/or B" and including either scheme A, scheme B, or both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The present invention provides a headset for use in sound production, including but not limited to in-ear or semi-in-ear wireless headsets.
In an embodiment of the present invention, as shown in fig. 1, the earphone includes a housing 1 and a circuit board 2, wherein the housing 1 is provided with a mounting groove 1a, and two opposite side walls of the mounting groove 1a are provided with a clamping groove 1 b; the opposite both ends of circuit board 2 are equipped with elasticity fastener 3, and elasticity fastener 3 joint is in draw-in groove 1b to it is fixed to make circuit board 2 install in mounting groove 1 a.
In this embodiment, the mounting groove 1a is used for mounting a circuit module such as a circuit board 2 of an earphone, the mounting groove 1a has a notch, and the circuit module such as the circuit board 2 can be put into and mounted in the mounting groove 1a through the notch of the mounting groove 1 a. The mounting groove 1a can be a strip-shaped groove, a polygonal groove and the like, the mounting groove has two opposite side walls, a clamping groove 1b with a notch is formed in each of the two side walls, and the clamping groove 1b can be a strip-shaped groove, a polygonal groove and the like.
Circuit components are integrated on the circuit board 2, and the circuit board 2 is used for realizing the functions of sound production control, power management and the like of the earphone. The circuit board 2 is provided with at least two elastic clamping pieces 3 which are used for being in clamping fit with the clamping grooves 1b, and the at least two elastic clamping pieces 3 are respectively positioned at two opposite ends of the circuit board 2 and respectively arranged corresponding to the clamping grooves 1b on two opposite side walls of the mounting groove 1 a. The elastic clamping piece 3 has elasticity and can be deformed, the material of the elastic clamping piece 3 includes but is not limited to metal or plastic with elasticity, and the whole elastic clamping piece 3 includes but is not limited to a block-shaped or plate-shaped or columnar structure. When the elastic clamping piece 3 is a copper sheet, the elastic clamping piece 3 has good elasticity and can generate enough elastic deformation. Elastic clamping piece 3 also can be conveniently on circuit board 2 welded connection and paster encapsulation, also makes elastic clamping piece 3 have higher structural strength simultaneously, is difficult for deformation, is favorable to realizing elastic clamping piece 3 and draw-in groove 1 b's reliable joint. In addition, the excellent heat-conducting property of the copper material is utilized, and the heat-radiating capacity of the circuit board 2 can be improved through the heat conduction of the elastic clamping piece 3 to the circuit board 2.
In practical application, taking the above-mentioned half-in-ear earphone as an example, the earphone includes an ear stem portion and an ear entering portion, a circuit module of the earphone is installed in the ear stem portion, and a sound generating unit is installed in the ear entering portion and is controlled by the circuit module in the ear stem portion to generate sound. The housing 1 may be a housing 1 of an ear portion, and since the ear portion itself has a limited volume and the space of the mounting groove 1a is compact and narrow, the mounting of the circuit board 2 in the mounting groove 1a is realized in a manner as simple and convenient as possible. Because the elasticity fastener 3 that this embodiment provided has elasticity, when installing circuit board 2 in to mounting groove 1a, the tip that circuit board 2 was kept away from to elasticity fastener 3 and mounting groove 1 a's lateral wall slip butt, elasticity fastener 3 produces elastic deformation under the extrusion of mounting groove 1a lateral wall, can avoid circuit board 2 and mounting groove 1 a's lateral wall rigid contact and produce stronger extrusion and frictional resistance effect, thereby can realize the installation of circuit board 2 on shell 1 more conveniently, circuit board 2 can not receive the direct extrusion force and the strong frictional force effect of installation groove 1a lateral wall yet when installing in to mounting groove 1a simultaneously, circuit board 2's structural damage has been avoided effectively. When elasticity fastener 3 slides draw-in groove 1b department along the lateral wall of mounting groove 1a, elasticity fastener 3 breaks away from and blocks into in draw-in groove 1b with the lateral wall of mounting groove 1a, circuit board 2 is fixed in mounting groove 1a through elasticity fastener 3 and draw-in groove 1 b's joint cooperation this moment, under elasticity fastener 3 and draw-in groove 1b cell wall's elastic action and spacing cooperation, circuit board 2 also can not receive strong extrusion power with the lateral wall contact of mounting groove 1a, circuit board 2 is difficult to damage because of the local strong stress concentration that lasts.
In an embodiment of the present invention, as shown in fig. 2 and fig. 3, at least a part of the structure of the elastic clip 3 in the above embodiment protrudes from the outer edge of the circuit board 2 and forms a first extending portion 31; the extending direction of the first extending portion 31 forms an included angle of not 0 degree and not 180 degrees with the plane where the circuit board 2 is located, and each first extending portion 31 is clamped with a clamping groove 1 b.
In the present embodiment, the first extension portion 31 is disposed obliquely with respect to the plane on which the circuit board 2 is located, and the end portion of the first extension portion 31 away from the circuit board 2 is located outside the outer edge of the circuit board 2. When circuit board 2 when installing in to mounting groove 1a, the tip that circuit board 2 was kept away from to first extension 31 and the lateral wall slip butt of mounting groove 1a, first extension 31 receives the extrusion of mounting groove 1a lateral wall and produces towards the deformation of circuit board 2 direction, make first extension 31 can slide to draw-in groove 1b along the lateral wall of mounting groove 1a, until first extension 31 slides the notch department to draw-in groove 1b, first extension 31 breaks away from with mounting groove 1a lateral wall, a certain amount of elastic recovery appears in first extension 31 and the draw-in groove 1b is gone into to the card, the realization is fixed with draw-in groove 1 b's joint, first extension 31 this moment. In the present embodiment, due to the elasticity of the first extending portion 31, during the installation of the circuit board 2 into the installation groove 1a, no strong squeezing or friction is formed between the outer edge of the circuit board 2 and the housing 1, and the structure of the circuit board 2 is reliably protected.
In an embodiment of the present invention, as shown in fig. 2 and fig. 3, the elastic clip 3 in the above embodiment further includes a second extending portion (not shown) formed at an end of the first extending portion 31 away from the circuit board 2; the extending direction of the second extending portion and the extending direction of the first extending portion 31 form an included angle of not 0 degree but not 180 degrees, and the second extending portion is accommodated and limited in the slot 1 b.
In the embodiment, the extending direction of the second extending portion forms an included angle with the extending direction of the first extending portion 31, which is not 0 degree but not 180 degrees, for example, the extending direction of the second extending portion may be parallel to the plane where the circuit board 2 is located. The second extension part and the first extension part 31 are combined to form a hook-shaped structure, so that when the first extension part 31 is limited in the card slot 1b, the second extension part can be in stop fit with the lower side wall of the card slot 1b along the shown Z-axis direction, thereby preventing the first extension part 31 from moving towards the bottom wall of the mounting groove 1a without limit and possibly being separated from the card slot 1 b. In addition, when the second extending portion is limited in the slot 1b, the first extending portion 31 is prevented from easily slipping upwards from the slot 1b along the illustrated Z-axis direction by the stop fit of the second extending portion and the upper sidewall of the slot 1b along the illustrated Z-axis direction, so as to improve the reliability of the snap fit of the elastic clip 3 and the slot 1 b.
In an embodiment of the present invention, as shown in fig. 2 and 3, the elastic clip 3 in the above embodiment further includes a reinforcing portion 32 formed at an end of the first extending portion 31 close to the circuit board 2, and the reinforcing portion 32 is connected to the circuit board 2.
In the embodiment, the reinforcing part 32 is arranged at one end of the first extending part 31 close to the circuit board 2, so that the first extending part 31 is connected with the circuit board 2 through the reinforcing part 32, and the connecting area of the elastic clamping piece 3 and the circuit board 2 is increased through the reinforcing part 32, thereby improving the stability and reliability of the connection of the elastic clamping piece 3 and the circuit board 2. The connection of the reinforcing portion 32 to the circuit board 2 includes, but is not limited to, soldering or bonding.
In an embodiment of the present invention, as shown in fig. 2 and 3, each of the reinforcements 32 in the above-mentioned embodiments is disposed on a side of the circuit board 2 opposite to the bottom wall of the mounting groove 1 a.
In the embodiment, the reinforcing part 32 is arranged on the same side of the circuit board 2 facing the bottom wall of the mounting groove 1a, on one hand, the elastic clamping pieces 3 can be conveniently processed and connected on the same side of the circuit board 2, and the processing procedure and the cost are saved; on the other hand, when the circuit board 2 is mounted in the mounting groove 1a, the circuit board 2 can be moved downward by pressing the reinforcement portion 32 or the first extension portion 31 above the circuit board 2, so that a pressing force is prevented from being directly applied to the circuit, and the risk of damage to the circuit board 2 due to pressing can be effectively reduced.
In an embodiment of the present invention, as shown in fig. 2 and fig. 3, the circuit board 2 in the above embodiment has a first end 21 and a second end 22 opposite to each other in the width direction, and the first end 21 and the second end 22 are both provided with at least two elastic clips 3; the mounting groove 1a is provided with a first side wall 11 and a second side wall which are oppositely arranged along the width direction of the circuit board 2, and the first side wall 11 and the second side wall are both provided with at least two clamping grooves 1 b; at least two elastic clamping pieces 3 on the first end 21 are correspondingly clamped with at least two clamping grooves 1b on the first side wall 11 one by one, and at least two elastic clamping pieces 3 on the second end 22 are correspondingly clamped with at least two clamping grooves 1b on the second side wall one by one.
In this embodiment, the width direction of the circuit board 2 may be the illustrated Y-axis direction, the first end 21 and the second end 22 are two ends of the circuit board 2 oppositely disposed along the illustrated Y-axis direction, the first side wall 11 and the second side wall are two side walls of the mounting groove 1a oppositely disposed along the illustrated Y-axis direction, the at least two elastic latches 3 on the first end 21 may be respectively located at two opposite ends of the first end 21 along the illustrated X-axis direction, i.e., the length direction of the circuit board 2, and the at least two elastic latches 3 on the second end 22 may be respectively located at two opposite ends of the second end 22 along the illustrated X-axis direction, i.e., the length direction of the circuit board 2. Therefore, the first end 21 and the second end 22 of the circuit board 2 are respectively connected and fixed with the first side wall 11 and the second side wall of the mounting groove 1a through the clamping matching of the corresponding elastic clamping piece 3 and the clamping groove 1b, and the reliability of the mounting and fixing of the circuit board 2 in the mounting groove 1a is improved.
In an embodiment of the present invention, as shown in fig. 2 and 3, the minimum distance from the notch of each card slot 1b to the bottom wall of the mounting groove 1a is equal in the above embodiments.
In this embodiment, the minimum distance from the notch of the card slot 1b to the bottom wall of the mounting groove 1a is the distance between the position point of the notch of the card slot 1b closest to the bottom wall of the mounting groove 1a and the bottom wall of the mounting groove 1 a. Set up to equal through the minimum distance with each draw-in groove 1b notch to mounting groove 1a diapire, can make circuit board 2 through each elasticity fastener 3 and the corresponding joint cooperation of each draw-in groove 1b when the installation is fixed in mounting groove 1a, the plane at circuit board 2 place is parallel with the diapire of mounting groove 1a, so be favorable to reducing circuit board 2's extension length, reduce circuit board 2's space and occupy, also be convenient for provide bigger installation space for the circuit module who installs in mounting groove 1 a.
In an embodiment of the present invention, as shown in fig. 2 and 3, each of the slots 1b in the above embodiments extends toward the notch of the mounting groove 1a and is communicated with the notch of the mounting groove 1 a.
In this embodiment, through the notch intercommunication that makes draw-in groove 1b and mounting groove 1a, can go into draw-in groove 1b with elasticity fastener 3 card through the intercommunication department of draw-in groove 1b and mounting groove 1a notch, and elasticity fastener 3 can be followed draw-in groove 1 b's extending direction and removed towards the diapire of mounting groove 1a, it is spacing to make elasticity fastener 3 finally follow the lower lateral wall butt of graphic presentation Z axle direction with draw-in groove 1b, it is fixed to realize the joint of elasticity fastener 3 in draw-in groove 1b, with this installation of convenient circuit board 2 in mounting groove 1a is fixed.
In an embodiment of the present invention, as shown in fig. 2 and 3, the cross-sectional opening of each slot 1b in the above-mentioned embodiment is square.
In this embodiment, through setting up draw-in groove 1b to square groove, make draw-in groove 1b have four lateral walls and a diapire, when elasticity fastener 3 is spacing in draw-in groove 1b, four lateral walls of 3 accessible draw-in grooves 1b of elasticity fastener carry out the backstop from the upper and lower position of picture drawing Z axle and the left and right position of picture drawing X axle spacing to the elastic component, it is spacing in draw-in groove 1b to make elasticity fastener 3 spacing, prevent that elasticity fastener 3 from slipping in draw-in groove 1b, promote elasticity fastener 3 and draw-in groove 1b joint complex reliability.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An earphone, characterized in that the earphone comprises:
the shell is provided with a mounting groove, and two opposite side walls of the mounting groove are provided with clamping grooves; and
the circuit board, the relative both ends of circuit board are equipped with the elasticity fastener, elasticity fastener joint in the draw-in groove, so that the circuit board is in the installation of mounting groove internal fixation.
2. The headset of claim 1, wherein at least a portion of the structure of the spring clip protrudes beyond an outer edge of the circuit board and forms a first extension;
the extending direction of the first extending portion and the plane where the circuit board is located form an included angle which is not 0 degree and not 180 degrees, and each first extending portion is connected with one clamping groove in a clamping mode.
3. The headset of claim 2, wherein the spring clip further comprises a second extension formed at an end of the first extension remote from the circuit board;
the extending direction of the second extending portion and the extending direction of the first extending portion form an included angle which is not 0 degree and not 180 degrees, and the second extending portion is accommodated and limited in the clamping groove.
4. The headset of claim 2, wherein the spring clip further comprises a reinforcement formed at an end of the first extension proximate the circuit board;
the reinforcing part is connected with the circuit board.
5. The earphone according to claim 4, wherein each of the reinforcing portions is provided on a side of the circuit board facing away from the bottom wall of the mounting groove.
6. The headset according to any one of claims 1 to 5, wherein the circuit board has a first end and a second end disposed opposite to each other in a width direction, each of the first end and the second end being provided with at least two of the elastic snaps;
the mounting groove is provided with a first side wall and a second side wall which are oppositely arranged along the width direction of the circuit board, and the first side wall and the second side wall are both provided with at least two clamping grooves;
the elastic clamping pieces are clamped with the clamping grooves on the first side wall in a one-to-one corresponding mode, and the elastic clamping pieces on the second end are clamped with the clamping grooves on the second side wall in a one-to-one corresponding mode.
7. The headset according to any of claims 1 to 5, wherein the resilient clip is a copper sheet.
8. The earphone as claimed in any one of claims 1 to 5, wherein the slots of each card slot have a minimum distance to the bottom wall of the mounting groove that is equal.
9. The earphone according to any one of claims 1 to 5, wherein each of the card slots extends toward and communicates with the notch of the mounting groove.
10. The earphone according to any one of claims 1 to 5, wherein the cross-sectional opening of each of the card slots is square in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220207780.7U CN216774997U (en) | 2022-01-25 | 2022-01-25 | Earphone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220207780.7U CN216774997U (en) | 2022-01-25 | 2022-01-25 | Earphone set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216774997U true CN216774997U (en) | 2022-06-17 |
Family
ID=81978685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220207780.7U Active CN216774997U (en) | 2022-01-25 | 2022-01-25 | Earphone set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216774997U (en) |
-
2022
- 2022-01-25 CN CN202220207780.7U patent/CN216774997U/en active Active
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