CN207399459U - Earphone shaft position-limit mechanism - Google Patents
Earphone shaft position-limit mechanism Download PDFInfo
- Publication number
- CN207399459U CN207399459U CN201721341426.9U CN201721341426U CN207399459U CN 207399459 U CN207399459 U CN 207399459U CN 201721341426 U CN201721341426 U CN 201721341426U CN 207399459 U CN207399459 U CN 207399459U
- Authority
- CN
- China
- Prior art keywords
- earphone
- limit
- arm axle
- rotary shaft
- earphone arm
- 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.)
- Expired - Fee Related
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- Headphones And Earphones (AREA)
Abstract
The utility model discloses a kind of earphone shaft position-limit mechanisms, including the earphone arm axle being arranged on earphone arm and are arranged on the earphone arm axle hole on ear casing with the cooperation of earphone arm axle；The limit rotary shaft in ear casing and being sleeved on earphone arm axle is further included, limit rotary shaft is rotated synchronously with the earphone arm axle, and the middle part of limit rotary shaft is equipped at least one /V plane parallel with its axis；The limit spring being pressed in the /V plane is also installed in ear casing.The earphone shaft position-limit mechanism of the utility model, by being set with limit rotary shaft on earphone arm axle, it is pressed in using spring in /V plane, it realizes the /V to limit rotary shaft, i.e., in earphone arm and ear casing rotary course, equilbrium position corresponding with /V plane can be found, relative rotation, which occurs, for earphone arm and ear casing then needs the torsion that spring is overcome to act in /V plane, it can play the role of /V, earphone can be made to be preferably bonded wearer ear, promote user experience.
Description
Technical field
The utility model belongs to ear phone technology field, is specifically a kind of earphone shaft position-limit mechanism.
Background technology
Headphone as the term suggests being to be worn on the head, and in non-intrusive duct, is different from a kind of ear of built-in earplug
Machine.It is made of two parts, signal projector and the earphone with signal reception and amplifying device.Headphone is due to it
Without filling in ear, with preferable comfort, and user's favor is received.
The ear casing rotatable engagement of headphone is mounted on earphone arm, and existing ear casing around earphone arm when rotating
There is no position limiting structure, that is, can not find a more stable equilbrium position, ear casing is caused to loosen, wearing can not be preferably bonded
Person ear, causes the usage experience of user to reduce.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of earphone shaft position-limit mechanism, can not only meet makes
It with requiring, and can realize the /V to ear casing, can effectively promote user experience.
In order to achieve the above objectives, the utility model provides following technical solution：
A kind of earphone shaft position-limit mechanism including the earphone arm axle being arranged on earphone arm and is arranged on ear casing and institute
State the earphone arm axle hole of earphone arm axle cooperation, the /V for further including in the ear casing and being sleeved on the earphone arm axle
Shaft, the limit rotary shaft are rotated synchronously with the earphone arm axle, and the middle part of the limit rotary shaft is equipped at least one and its axis
The parallel /V plane of line；The limit spring being pressed in the /V plane is also installed in the ear casing.
Further, the limit spring includes spring body, and the middle part bending of the spring body is in be pressed in the /V
U-shaped portion I in plane, the both sides of the U-shaped portion I are respectively towards the opposite U-shaped portion II of direction inverse bending, the U-shaped portion II
One side downward bending away from the U-shaped portion I forms connection-peg.
Further, corresponded in the ear casing with the connection-peg and be equipped with plug socket.
Further, screw base is correspondingly provided in the ear casing with the U-shaped portion II, is equipped with that be used for will in the screw base
The screw that the U-shaped portion II is fixed.
Further, the middle part annular of the limit rotary shaft is laid with the /V plane.
Further, the one end of the limit rotary shaft away from the earphone arm axle is equipped with socket cap, is equipped in the ear casing
The support base of the socket cap is used to support, the support base is equipped with the semi-circular recesses with socket cap cooperation.
Further, the limit rotary shaft is equipped with the connecting hole with earphone arm axle cooperation；Outside the earphone arm axle
Peripheral wall is equipped with confined planes I, and the inner wall of the connecting hole is equipped with the confined planes II with I /V of confined planes cooperation；Or institute
It states and connecting key is equipped between connecting hole and the earphone arm axle.
The beneficial effects of the utility model are：
The earphone shaft position-limit mechanism of the utility model, by being set with limit rotary shaft on earphone arm axle, when earphone arm axle
Through after earphone arm axle hole, limit rotary shaft is sleeved on synchronous rotation on earphone arm axle, is then pressed in /V using spring
In plane, the /V to limit rotary shaft is realized, i.e., in earphone arm and ear casing rotary course, can find and /V plane pair
Relative rotation, which occurs, for the equilbrium position answered, earphone arm and ear casing then needs the torsion that spring is overcome to act in /V plane,
It can play the role of /V, earphone can be made to be preferably bonded wearer ear, promote user experience.
Description of the drawings
In order to make the purpose of this utility model, technical solution and advantageous effect clearer, the utility model provides as follows
Attached drawing illustrates：
Fig. 1 is the structure diagram of the utility model earphone shaft position-limit mechanism embodiment；
Fig. 2 is the explosive view of the present embodiment earphone shaft position-limit mechanism；
Fig. 3 is the structure diagram of limit rotary shaft；
Fig. 4 is the axonometric drawing of the present embodiment limit rotary shaft；
Fig. 5 is the structure diagram of limit spring.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
It can be better understood from the utility model and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As shown in Figure 1, the structure diagram for the utility model earphone shaft position-limit mechanism embodiment.The ear of the present embodiment
Machine shaft position-limit mechanism coordinates including the earphone arm axle 2 being arranged on earphone arm 1 and being arranged on ear casing 3 with earphone arm axle 2
Earphone arm axle hole 4.The earphone shaft position-limit mechanism of the present embodiment further includes in ear casing 3 and is sleeved on earphone arm axle 2
On limit rotary shaft 5, limit rotary shaft 5 rotates synchronously with earphone arm axle 2, and the middle part of limit rotary shaft 5 is equipped at least one with its axis
The parallel /V plane 6 of line；The limit spring 7 being pressed in /V plane 6 is also installed in ear casing 3.The present embodiment
The middle part of limit rotary shaft 5 is equipped with 4 /V planes 6, certainly, as needed, annular can also be uniformly arranged in limit rotary shaft 5
/V plane 6, the i.e. section at the middle part of limit rotary shaft 5 are in regular polygon.Certainly, as needed, /V plane can also be set to
One, two, three or four or more, principle is suitable, is not repeated.
Specifically, limit spring 7 includes spring body, the middle part bending of spring body is U-shaped in /V plane 6 in being pressed in
The both sides of I 7a of portion, I 7a of U-shaped portion are respectively towards opposite U-shaped II 7b of portion of direction inverse bending, i.e. two II 7b of U-shaped portion difference positions
In the both sides of I 7a of U-shaped portion.One side downward bendings of II 7b of U-shaped portion away from I 7a of U-shaped portion forms connection-peg 7c.The ear of the present embodiment
It is corresponded in casing 3 with connection-peg 7c and is equipped with plug socket 8, two connection-peg 7c of limit spring 7 are inserted into two plug sockets 8
It is interior.Screw base 9 is correspondingly provided in the ear casing 3 of the present embodiment with II 7b of U-shaped portion, is equipped in screw base 9 for by II 7b of U-shaped portion
The screw 10 being fixed, in this way, the installation that limit spring 7 can be realized is fixed.
Further, the one end of the limit rotary shaft 5 of the present embodiment away from earphone arm axle 2 is equipped with socket cap 5a, is set in ear casing 3
The support base 11 of support socket cap 5a is useful for, support base 11 is equipped with the semi-circular recesses 11a with socket cap 5a cooperations.
Further, limit rotary shaft 5 is equipped with the connecting hole 5b coordinated with earphone arm axle 2；It is set on the periphery wall of earphone arm axle 2
The inner wall for having confined planes I 2a, connecting hole 5b is equipped with II 5c of confined planes with I 2a /Vs of confined planes cooperation.It is of course also possible to
Connecting key is equipped between connecting hole and earphone arm axle, can also realize the technology mesh that limit rotary shaft 5 is rotated synchronously with earphone arm axle 2
's.
The earphone shaft position-limit mechanism of the present embodiment, by being set with limit rotary shaft on earphone arm axle, when earphone arm axle is worn
After crossing earphone arm axle hole, limit rotary shaft is sleeved on synchronous rotation on earphone arm axle, being then pressed in /V using spring puts down
On face, the /V to limit rotary shaft is realized, i.e., in earphone arm and ear casing rotary course, can find corresponding with /V plane
Equilbrium position, relative rotation, which occurs, for earphone arm and ear casing then needs the torsion that spring is overcome to act in /V plane, energy
Enough play the role of /V, earphone can be made to be preferably bonded wearer ear, promote user experience.
Embodiment described above is only the preferred embodiment to absolutely prove the utility model and being lifted, the utility model
Protection domain it is without being limited thereto.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model
It changes, within the scope of protection of the utility model.The scope of protection of the utility model is subject to claims.
Claims (7)
1. a kind of earphone shaft position-limit mechanism, including the earphone arm axle being arranged on earphone arm and be arranged on ear casing with it is described
The earphone arm axle hole of earphone arm axle cooperation, it is characterised in that：It further includes in the ear casing and is sleeved on the earphone arm
Limit rotary shaft on axis, the limit rotary shaft are rotated synchronously with the earphone arm axle, and the middle part of the limit rotary shaft is equipped at least
One /V plane parallel with its axis；The /V bullet being pressed in the /V plane is also installed in the ear casing
Spring.
2. earphone shaft position-limit mechanism according to claim 1, it is characterised in that：The limit spring includes spring sheet
Body, the middle part bending of the spring body are in the U-shaped portion I being pressed in the /V plane, the both sides of the U-shaped portion I court respectively
The U-shaped portion II of opposite direction inverse bending, one side downward bending of the U-shaped portion II away from the U-shaped portion I form grafting
Head.
3. earphone shaft position-limit mechanism according to claim 2, it is characterised in that：In the ear casing with the connection-peg
It corresponds and is equipped with plug socket.
4. earphone shaft position-limit mechanism according to claim 3, it is characterised in that：In the ear casing with the U-shaped portion
II is correspondingly provided with screw base, and the screw for being fixed the U-shaped portion II is equipped in the screw base.
5. earphone shaft position-limit mechanism according to claim 1, it is characterised in that：The middle part annular of the limit rotary shaft is
It is laid with the /V plane.
6. according to claim 1-5 any one of them earphone shaft position-limit mechanisms, it is characterised in that：The limit rotary shaft is separate
One end of the earphone arm axle is equipped with socket cap, and the support base for being used to support the socket cap is equipped in the ear casing, described
Support base is equipped with the semi-circular recesses with socket cap cooperation.
7. according to claim 1-5 any one of them earphone shaft position-limit mechanisms, it is characterised in that：It is set in the limit rotary shaft
There is the connecting hole with earphone arm axle cooperation；The periphery wall of the earphone arm axle be equipped with confined planes I, the connecting hole it is interior
Wall is equipped with the confined planes II with I /V of confined planes cooperation；Or the company of being equipped between the connecting hole and the earphone arm axle
Connect key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721341426.9U CN207399459U (en) | 2017-10-18 | 2017-10-18 | Earphone shaft position-limit mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721341426.9U CN207399459U (en) | 2017-10-18 | 2017-10-18 | Earphone shaft position-limit mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207399459U true CN207399459U (en) | 2018-05-22 |
Family
ID=62328645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721341426.9U Expired - Fee Related CN207399459U (en) | 2017-10-18 | 2017-10-18 | Earphone shaft position-limit mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207399459U (en) |
-
2017
- 2017-10-18 CN CN201721341426.9U patent/CN207399459U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20181018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |