CN111146622A - Anti-falling device for earphone - Google Patents
Anti-falling device for earphone Download PDFInfo
- Publication number
- CN111146622A CN111146622A CN201911227974.2A CN201911227974A CN111146622A CN 111146622 A CN111146622 A CN 111146622A CN 201911227974 A CN201911227974 A CN 201911227974A CN 111146622 A CN111146622 A CN 111146622A
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- CN
- China
- Prior art keywords
- earphone
- positioning protrusion
- plug
- positioning
- earphone plug
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- 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.)
- Pending
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
- H01R13/213—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together by bayonet connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention discloses an anti-drop device for an earphone, which comprises a positioning groove and a positioning bulge, wherein the positioning groove is arranged on one of an earphone plug and an earphone seat, the positioning bulge is arranged on the other of the earphone plug and the earphone seat, the positioning bulge is of a telescopic structure, and the positioning bulge and the positioning groove can be detachably clamped to position the earphone plug or enable the earphone plug to slide relative to the earphone seat, so that the earphone can be effectively prevented from being accidentally dropped, the normal plugging and unplugging of the earphone are not influenced, and the user experience is enhanced.
Description
Technical Field
The invention relates to the technical field of electronic equipment accessories, in particular to an anti-falling device for an earphone.
Background
Portable electronic equipment all is furnished with the earphone, all be the formula structure of cuting straightly between the earphone hole of current earphone and electronic equipment, as shown in fig. 1, earphone plug 200 'inserts behind the earphone hole of earphone seat 300', mainly interfere with the earphone hole through some rubber circles on earphone plug 200 ', guarantee that earphone plug 200' fixes in the earphone hole, but after long-term the use, the interference effect greatly reduced of rubber circle, when unexpected touching, when dragging the earphone line, cause the earphone to drop easily, seriously influence user experience.
Therefore, it is necessary to provide a device capable of effectively preventing the earphone from falling off from the earphone hole accidentally, so as to solve the above problems in the prior art.
Disclosure of Invention
The invention aims to provide an anti-falling device for an earphone, which can effectively prevent the earphone from falling off from an earphone hole accidentally.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides an earphone dropout prevention means for prevent that headphone plug from coming off from the earphone seat, it includes positioning groove and location arch, positioning groove set up in headphone plug one in the earphone seat, the location arch is located headphone plug another in the earphone seat, just the location arch is extending structure, the location arch with the detachable block of positioning groove is in order to right headphone plug fixes a position or makes headphone plug can for the earphone seat slides.
Preferably, the earphone anti-falling device further comprises an elastic piece connected with the positioning protrusion, the positioning protrusion has a first position and a second position which are opposite to each other, the positioning protrusion is clamped in the positioning groove when located at the first position, the positioning protrusion is separated from the positioning groove when located at the second position, and the elastic piece constantly has a tendency of moving the positioning protrusion from the second position to the first position.
Preferably, the moving direction of the positioning protrusion is perpendicular to the sliding direction of the earphone plug.
Preferably, the earphone plug or the earphone seat is concavely provided with a mounting hole, the elastic piece is accommodated in the mounting hole, and two ends of the elastic piece are respectively fixed on the positioning protrusion and the bottom of the mounting hole.
Preferably, the positioning groove extends along a radial direction of the earphone plug, and the positioning protrusion can be switched between the first position and the second position by rotating the earphone plug.
Preferably, one end of the positioning protrusion, which is far away from the elastic member, is provided with a guide slope, and when the earphone plug slides or rotates in the earphone seat, the positioning protrusion is pushed by the guide slope to switch between the first position and the second position.
Preferably, the positioning protrusion is mounted on the earphone seat, an insertion end in a shape of a circular truncated cone is arranged at an end of the earphone plug, and when the earphone plug is inserted into the earphone seat, the insertion end pushes the guide slope so that the positioning protrusion moves from the first position to the second position.
Preferably, the earphone anti-drop device further includes a rotating shaft, the rotating shaft is rotatably installed on the earphone plug and connected to the positioning protrusion installed on the earphone plug, and the rotating shaft is rotated to drive the positioning protrusion to switch between the first position and the second position.
Preferably, the earphone anti-falling device further comprises a pull wire, two ends of the pull wire are respectively fixed to the rotating shaft and the positioning protrusion, and the rotating shaft pulls the positioning protrusion to move from the first position to the second position through the pull wire when rotating.
Preferably, the earphone anti-drop device further comprises a turntable, the turntable is rotatably mounted on the earphone plug and fixed at one end of the rotating shaft, which is far away from the pull wire, and the turntable drives the rotating shaft to rotate.
Compared with the prior art, the anti-falling device for the earphone has the advantages that the positioning groove and the positioning protrusion which are matched are arranged between the earphone plug and the earphone seat, the positioning protrusion is of the telescopic structure, and the positioning protrusion is detachably clamped with the positioning groove, so that the earphone plug is positioned by clamping the positioning protrusion and the positioning groove after the earphone plug is plugged into the earphone seat, the earphone is effectively prevented from falling off accidentally, the earphone plug can slide relative to the earphone seat to pull out the earphone after the positioning groove is separated from the positioning protrusion, normal plugging and unplugging of the earphone are not affected, and user experience is enhanced.
Drawings
Fig. 1 is a schematic structural diagram of a matching structure of an earphone plug and an earphone base in the prior art.
Fig. 2 is a schematic structural diagram of an earphone plug inserted in an earphone seat according to an embodiment of the present invention.
Fig. 3 is an exploded view of fig. 2.
Fig. 4 is a sectional view of fig. 3.
Fig. 5 is a cross-sectional view of the earphone base of fig. 3 at another angle.
Fig. 6 is a schematic view illustrating a state of the earphone plug and the earphone base in the plugging process in fig. 3.
Fig. 7 is a schematic diagram illustrating a state of the earphone plug and the earphone base in fig. 6 after being plugged.
Fig. 8 is a schematic view of the state of the headset plug of fig. 7 after rotation.
Fig. 9 is a schematic structural diagram of an earphone plug according to another embodiment of the present invention.
Fig. 10 is a cross-sectional view of fig. 9.
Fig. 11 is a cross-sectional view of the earphone plug of fig. 9 inserted into the earphone holder.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements. The anti-falling device 100 for earphones provided by the present invention is mainly used for preventing the earphone plug 200 from falling off from the earphone base 300, wherein the earphone base 300 is disposed on the main board of the electronic device and has an earphone hole 310 (see fig. 2-3), but the specific structure and the arrangement manner of the earphone base 300 are conventional in the art.
As shown in fig. 2 to 11, the anti-falling device 100 for an earphone according to the present invention includes a positioning groove 110 and a positioning protrusion 120, wherein the positioning groove 110 is disposed on one of the earphone plug 200 and the earphone base 300, the positioning protrusion 120 is disposed on the other of the earphone plug 200 and the earphone base 300, the positioning protrusion 120 is of a retractable structure, and the positioning protrusion 120 is detachably engaged with the positioning groove 110 to position the earphone plug 200 inserted into the earphone base 300 or to enable the earphone plug 200 to slide relative to the earphone base 300.
More specifically, the anti-falling device 100 further includes an elastic element 130 connected to the positioning protrusion 120, the positioning protrusion 120 has a first position and a second position opposite to each other, the positioning protrusion 120 is engaged with the positioning groove 110 when located at the first position, the positioning protrusion 120 is disengaged from the positioning groove 110 when located at the second position, the elastic element 130 constantly has a tendency of moving the positioning protrusion 120 from the second position to the first position, and the moving direction of the positioning protrusion 120 is perpendicular to the sliding direction of the headphone plug 200.
Different embodiments of the anti-falling device 100 for earphones according to the present invention will be described with reference to fig. 2 to 11.
Referring to fig. 3-5, in an embodiment of the anti-falling device 100 for earphones according to the present invention, the positioning protrusion 120 is disposed in the earphone base 300, and the positioning groove 110 is disposed in the earphone plug 200. Specifically, at least one positioning groove 110 is formed on the outer wall of the headphone plug 200, two symmetrical positioning grooves 110 are provided in this embodiment, the number of the positioning grooves 110 is not limited thereto, and each positioning groove 110 extends along the radial direction of the headphone plug 200. Correspondingly, two corresponding positioning grooves 110 are arranged on the hole wall of the earphone hole 310 of the earphone base 300, and the positioning of the earphone plug 200 is more stable through the matching of the two sets of positioning grooves 110 and the positioning protrusions 120.
Referring to fig. 4 and 6-8, two mounting holes 320 are concavely formed on a hole wall of the earphone hole 310 of the earphone holder 300, a positioning protrusion 120 is disposed in each mounting hole 320, an elastic member 130 is fixed between each positioning protrusion 120 and the bottom of the mounting hole 320, the elastic member 130 makes the positioning protrusion 120 protrude out of the hole wall of the earphone holder 300 in a natural state, when the positioning protrusion 120 receives an acting force, the elastic member 130 is compressed and slides into the mounting hole 320 to a second position, after the positioning protrusion 120 loses the acting force, the elastic member 130 recovers deformation and drives the positioning protrusion 120 to move from the second position to the first position and protrude out of the hole wall of the earphone holder 300, and a direction in which the positioning protrusion 120 moves between the first position and the second position is perpendicular to a sliding direction of the earphone plug 200 along the earphone holder 300.
Referring to fig. 5, the positioning protrusion 120 in this embodiment is a rectangular parallelepiped structure, and four guiding inclined planes 121 are formed at one end of the positioning protrusion 120 away from the elastic member 130, and the four guiding inclined planes 121 are gradually folded from the side surface of the positioning protrusion 120 to the top surface thereof, so that when the earphone plug 200 slides or rotates in the earphone base 300, the positioning protrusion 120 can be conveniently pushed by the four guiding inclined planes 121 to be switched between the first position and the second position.
Referring to fig. 4 and 6-8 again, in this embodiment, the end of the earphone plug 200 is provided with a truncated cone-shaped inserting end 210, and the outer surface of the inserting end 210 gradually draws toward the end thereof, so as to form an inclined action surface on the outer surface thereof, so that when the earphone plug 200 is inserted into the earphone seat 300, the positioning protrusion 120 can be conveniently pushed by the guiding action of the inclined action surface of the inserting end 210 and the guiding inclined surface 121 of the positioning protrusion 120, so as to move from the first position to the second position, that is, the positioning protrusion 120 slides into the mounting hole 320.
The following describes the insertion and removal process of the anti-falling device 100 of the earphone of this embodiment with reference to fig. 2-8.
When the earphone plug 200 is pushed into the earphone hole 310 of the earphone base 300, the outer surface of the inserting end 210 of the earphone plug 200 interacts with the positioning protrusion 120 (see fig. 6), and the positioning protrusion 120 is gradually pushed by the guiding action of the inclined outer surface of the inserting end 210 and the guiding inclined plane 121 of the positioning protrusion 120, so that the positioning protrusion 120 slides into the mounting hole 320 of the earphone base 300, and in the process, the elastic member 130 is compressed to deform, so that the earphone plug 200 can be smoothly inserted into the earphone base 300.
After the earphone plug 200 is completely inserted, the positioning groove 110 on the earphone plug 200 corresponds to the positioning protrusion 120 by rotating the earphone plug 200, and at this time, the positioning protrusion 120 protrudes downwards under the action of the elastic element 130 and is clamped in the positioning groove 110 (see fig. 7), so that the earphone plug 200 and the earphone base 300 are positioned, and the earphone plug 200 is prevented from falling off from the earphone base 300.
When the earphone needs to be removed, the earphone plug 200 is rotated first, the two end walls of the positioning groove 110 interact with the guide inclined plane 121 to gradually push the positioning protrusion 120 to slide into the mounting hole 320, and after the positioning protrusion 120 is completely separated from the positioning groove 110, the outer wall of the earphone plug 200 is pressed against the positioning protrusion 120 to keep the positioning protrusion at the second position (see fig. 8), so that the earphone plug 200 can be smoothly pulled out of the earphone base 300, and normal use of a user is not affected.
Referring to fig. 9-11, in another embodiment of the anti-falling device 100 for earphones of the present invention, the difference from the above embodiment is mainly that: the positioning protrusion 120 and the positioning groove 110 are disposed at different positions, in this embodiment, the positioning protrusion 120 is disposed on the earphone plug 200, and the positioning groove 110 is disposed on the hole wall of the earphone seat 300.
As shown in fig. 10, two symmetrical mounting holes 220 are concavely provided on the earphone plug 200, each mounting hole 220 is provided with a positioning protrusion 120 therein, an elastic member 130 is fixed between each positioning protrusion 120 and the bottom of the mounting hole 220, the elastic member 130 makes the positioning protrusion 120 protrude out of the outer wall of the earphone plug 200 in a natural state, when the positioning protrusion 120 receives an acting force, the elastic member 130 is compressed and slides into the mounting hole 220 to a second position, after the positioning protrusion 120 loses the acting force, the elastic member 130 recovers to deform and drives the positioning protrusion 120 to move from the second position to the first position and protrude out of the outer wall of the earphone plug 200 again, and a direction in which the positioning protrusion 120 moves between the first position and the second position is perpendicular to a sliding direction of the earphone plug 200 along the earphone base 300.
With reference to fig. 10, the anti-falling device 100 of the earphone of this embodiment further includes a pulling wire 140, a rotating shaft 150 and a rotating disc 160, the rotating shaft 150 is rotatably installed on the earphone plug 200, one end of the rotating shaft 150 is connected to the two positioning protrusions 120 through the pulling wire 140, the other end of the rotating shaft 150 is fixedly connected to the rotating disc 160, when the rotating shaft 150 is rotated by the rotating disc 160, the rotating shaft 150 pulls the positioning protrusions 120 through the pulling wire 140 to move from the first position to the second position, at this time, the positioning protrusions 120 slide into the installation holes 220 and compress the elastic member 130, so that the earphone plug 200 can slide along the earphone base 300, and after the rotating disc 160 is released, the elastic member 130 is deformed to drive the positioning protrusions 120 to return from the second position to the first position.
Understandably, the positioning protrusion 120 is driven to slide by the pulling wire 140, the rotating shaft 150 and the rotating disc 160, and the positioning protrusion 120 can be switched between the first position and the second position by rotating the earphone plug 200.
Referring to fig. 9-11 again, the insertion and removal process of the anti-falling device 100 for earphone of this embodiment will be described.
When the earphone plug 200 needs to be pushed into the earphone seat 300, the turntable 160 is firstly rotated to drive the rotation shaft 150 to rotate, the rotation shaft 150 pulls the positioning protrusion 120 to move from the first position to the second position through the pull wire 140, that is, the positioning protrusion 120 slides into the mounting hole 220 on the earphone plug 200, so that the earphone plug 200 can be smoothly inserted into the earphone seat 300, then the earphone plug 200 is rotated, when the positioning groove 110 is rotated to be opposite to the positioning protrusion 120, the positioning protrusion 120 is clamped in the positioning groove 110 under the action of the elastic piece 130, the positioning of the earphone plug 200 and the earphone seat 300 is realized, and the earphone plug 200 is prevented from falling off from the earphone seat 300.
When the earphone needs to be removed, the turntable 160 is rotated to drive the rotating shaft 150 to rotate, the rotating shaft 150 pulls the positioning protrusion 120 to move from the first position to the second position through the pull wire 140, the positioning protrusion 120 slides into the mounting hole 220 on the earphone plug 200 again, and then the earphone plug 200 can be smoothly pulled out of the earphone holder 300 without affecting the normal use of the user.
Referring again to fig. 2 to 11, the elastic member 130 of the present invention is preferably a spring, but is not limited thereto, and other elastic members may be used.
In summary, according to the anti-falling device 100 for earphones of the present invention, the positioning groove 110 and the positioning protrusion 120 are disposed between the earphone plug 200 and the earphone base 300, the positioning protrusion 120 is of a telescopic structure, and the positioning protrusion 120 is detachably engaged with the positioning groove 110, so that when the earphone plug 200 is plugged into the earphone base 300, the earphone plug 200 is positioned by engaging the positioning protrusion 120 with the positioning groove 110, thereby effectively preventing the earphone from falling off accidentally, and after the positioning groove 110 is separated from the positioning protrusion 120, the earphone plug 200 can slide relative to the earphone base 300 to pull out the earphone, thereby not affecting normal plugging and pulling of the earphone, and enhancing user experience.
The structure of the earphone holder 300 and other parts of the earphone according to the present invention are conventional arrangements well known to those skilled in the art, and will not be described in detail herein.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (10)
1. The utility model provides an earphone dropout prevention means for prevent that headphone plug from coming off from the earphone seat, its characterized in that includes:
a positioning groove provided in one of the earphone plug and the earphone holder;
the positioning protrusion is arranged on the other one of the earphone plug and the earphone seat, the positioning protrusion is of a telescopic structure, and the positioning protrusion and the positioning groove are detachably clamped to position the earphone plug or enable the earphone plug to slide relative to the earphone seat.
2. The anti-falling device for earphones according to claim 1, further comprising an elastic member connected to said positioning protrusion, wherein said positioning protrusion has a first position and a second position opposite to each other, said positioning protrusion is engaged with said positioning groove when said positioning protrusion is at said first position, said positioning protrusion is disengaged from said positioning groove when said positioning protrusion is at said second position, said elastic member constantly has a tendency to move said positioning protrusion from said second position to said first position.
3. The anti-falling off device for earphones according to claim 2, wherein the moving direction of said positioning protrusion is perpendicular to the sliding direction of said earphone plug.
4. The anti-falling device for earphones according to claim 2, wherein said earphone plug or said earphone seat is provided with a mounting hole in a concave manner, said elastic member is accommodated in said mounting hole and both ends of said elastic member fix said positioning protrusion and the bottom of said mounting hole respectively.
5. The anti-falling off device for earphones according to any one of claims 2-4, wherein the positioning groove extends in a radial direction of the earphone plug, and the positioning protrusion is switched between the first position and the second position by rotating the earphone plug.
6. The anti-falling device for earphones according to claim 5, wherein a guiding slope is provided at an end of the positioning protrusion far from the elastic member, and the positioning protrusion is pushed to switch between the first position and the second position by the guiding slope when the earphone plug slides or rotates in the earphone seat.
7. The anti-falling device for earphones according to claim 6, wherein said positioning protrusion is installed on said earphone seat, an insertion end having a truncated cone shape is provided at an end of said earphone plug, and when said earphone plug is inserted into said earphone seat, said insertion end pushes said guiding slope to move said positioning protrusion from said first position to said second position.
8. The anti-falling off device for earphones according to claim 5, further comprising a rotation shaft rotatably installed on said earphone plug and connected to said positioning protrusion installed on said earphone plug, wherein said positioning protrusion is driven to switch between said first position and said second position by rotating said rotation shaft.
9. The anti-falling device for earphones according to claim 8, further comprising a pulling wire, wherein both ends of said pulling wire are fixed to said rotation shaft and said positioning protrusion respectively, and said positioning protrusion is pulled by said pulling wire to move from said first position to said second position when said rotation shaft rotates.
10. The anti-falling device for earphones according to claim 9, further comprising a turntable rotatably installed on said earphone plug and fixed to an end of said rotation shaft away from said pull wire, said rotation shaft being rotated by said turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911227974.2A CN111146622A (en) | 2019-12-04 | 2019-12-04 | Anti-falling device for earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911227974.2A CN111146622A (en) | 2019-12-04 | 2019-12-04 | Anti-falling device for earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111146622A true CN111146622A (en) | 2020-05-12 |
Family
ID=70517619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911227974.2A Pending CN111146622A (en) | 2019-12-04 | 2019-12-04 | Anti-falling device for earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111146622A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111954111A (en) * | 2020-08-19 | 2020-11-17 | 苏梦 | Device for preventing earphone from being pulled out accidentally |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205985464U (en) * | 2016-05-19 | 2017-02-22 | 深圳市金立通信设备有限公司 | Headphone plug , earphone, earphone socket and terminal |
| CN106848737A (en) * | 2016-11-04 | 2017-06-13 | 广东乐惠购网络科技有限公司 | A kind of anti-run safety plug |
| CN107845906A (en) * | 2017-12-05 | 2018-03-27 | 四川巨海渔业科技有限公司 | A kind of power pipe connecting structure of pulse power amplifier |
| CN108808368A (en) * | 2018-07-11 | 2018-11-13 | 广州爱玩派信息科技有限公司 | A kind of novel domestic electric appliance |
-
2019
- 2019-12-04 CN CN201911227974.2A patent/CN111146622A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205985464U (en) * | 2016-05-19 | 2017-02-22 | 深圳市金立通信设备有限公司 | Headphone plug , earphone, earphone socket and terminal |
| CN106848737A (en) * | 2016-11-04 | 2017-06-13 | 广东乐惠购网络科技有限公司 | A kind of anti-run safety plug |
| CN107845906A (en) * | 2017-12-05 | 2018-03-27 | 四川巨海渔业科技有限公司 | A kind of power pipe connecting structure of pulse power amplifier |
| CN108808368A (en) * | 2018-07-11 | 2018-11-13 | 广州爱玩派信息科技有限公司 | A kind of novel domestic electric appliance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111954111A (en) * | 2020-08-19 | 2020-11-17 | 苏梦 | Device for preventing earphone from being pulled out accidentally |
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Application publication date: 20200512 |