CN202602725U - Earphone retractable device and mobile phone - Google Patents

Earphone retractable device and mobile phone Download PDF

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Publication number
CN202602725U
CN202602725U CN 201220178900 CN201220178900U CN202602725U CN 202602725 U CN202602725 U CN 202602725U CN 201220178900 CN201220178900 CN 201220178900 CN 201220178900 U CN201220178900 U CN 201220178900U CN 202602725 U CN202602725 U CN 202602725U
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CN
China
Prior art keywords
earphone
retractor device
winding roll
fixed axis
winding
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
Application number
CN 201220178900
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Chinese (zh)
Inventor
刘湘丽
王欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
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BYD Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN 201220178900 priority Critical patent/CN202602725U/en
Application granted granted Critical
Publication of CN202602725U publication Critical patent/CN202602725U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides an earphone retractable device. The earphone retractable device comprises an upper cover, a lower cover and a retractable device, wherein the lower cover comprises a locking cavity and a storage cavity adjacent to the locking cavity; and the retractable device comprises a locking piece and a wire winding piece. The earphone retractable device provided by the utility model is small in size and can be easily integrated into a small electronic product; and as a mechanical structure is adopted for realizing retraction of the earphone line, no extra power is needed to provide a driving force for realizing the retraction movement of the earphone line. The utility model further provides a mobile phone. The earphone retractable device provided by the utility model is arranged inside the mobile phone.

Description

A kind of earphone retractor device and mobile phone
Technical field
The utility model belongs to field of mobile telephony, relates in particular to a kind of earphone retractor device and mobile phone.
Background technology
Improving constantly of Along with people's living standard, mobile electronic products such as mobile phone, mobile TV, MP3, MP4 have become the necessity of family life.These products are furnished with earphone, and conventional earphone is external.
General, its earphone cord of earphone that electronic product attaches is very long, in use is rolled into one, knotting easily, is difficult to make in order; And the earphone telescoping mechanism that occurs on the market can solve this problem, and earphone cord is wrapped in the telescoping mechanism, pulls out during use; When not using, earphone cord can shrink back in the telescoping mechanism; But this telescoping mechanism is generally bi-directional expansion mechanism, and it is very big that its size will be done, and is difficult to be integrated in mobile phone or littler electronic product inside; And a part of earphone telescoping mechanism adopts motor-driven to reclaim earphone cord, and the electric power of motor needs battery to provide, and will increase the consume of battery like this, thereby reduces the service time and the useful life of battery; Therefore it is little to need a kind of size badly, can be integrated in the perhaps littler electronic product of mobile phone, and can reduce the earphone retractor device of battery loss.
Summary of the invention
The utility model technical problem to be solved is: prior art headphone telescoping mechanism is oversize, can't be integrated in the perhaps littler electronic product of mobile phone; And adopt motor as driving the problem that can increase the loss of battery.
In view of the above, it is little that first purpose of the utility model provides a kind of size, can be integrated in the electronic product perhaps littler in the mobile phone, and can reduce the earphone retractor device of battery loss.
A kind of earphone retractor device, it comprises loam cake, lower cover and telescopic component; Lower cover comprises lock chamber and the object placing cavity adjacent with lock chamber; Telescopic component comprises the lock piece that is arranged in the lock chamber, and is rotatably assorted with lock piece and is arranged on the interior spiral spare of object placing cavity; Lock piece comprise rolling disc, be arranged on the locking track of rolling disc bottom surface, in the locking track, slide and be positioned at the lock chamber bottom the locking slide block, and lock piece is positioned at first fixed axis in the lock chamber; Spiral spare comprises winding roll, is fixed on the scroll spring on the winding roll and passes winding roll and spiral spare is positioned at second fixed axis of object placing cavity.
Preferably, winding roll is provided with the first winding portion that is used to twine earphone cord; Lower surface at winding roll is provided with the second winding portion that is used to twine earphone cord; It is inboard that scroll spring is fixed on the first winding portion.
Preferably, in the first winding portion, offer at least one fitting recess, offer fixed groove at the top of second fixed axis; Scroll spring comprises first link, second link; First link of scroll spring is connected on the fitting recess of the first winding portion; Second link is fixed in the fixed groove at the second fixed axis top.
Preferably, on winding roll, offer and be used for the through hole that earphone cord passes.
Preferably, the lower surface at winding roll is provided with the counter-rotating post.
Preferably, be provided with location notch in the lock chamber bottom; Slide block slidably is arranged in the location notch; The locking track is provided with position-arresting part, and the locking slide block comprises the slippery fellow, and turn disc makes the slippery fellow in the locking track, slide and stops at the position-arresting part place.
Preferably, rolling disc is the gear rotation Moving plate; Winding roll is the gear winding roll.
Preferably, the home position of rolling disc, winding roll is respectively equipped with first location hole, second location hole; First fixed axis passes first location hole lock piece is positioned in the lock chamber, and second fixed axis passes second fixing hole spiral spare is positioned in the object placing cavity; First fixed axis, second fixed axis are multidiameter.
Preferably, be covered with down and supply the hole of stretching out that earphone cord stretches out.
Second purpose of the utility model provides a kind of mobile phone.
A kind of mobile phone, it comprises the earphone retractor device that is arranged on mobile phone inside; It is characterized in that said earphone retractor device is the earphone retractor device that the utility model provides.
The earphone retractor device that the utility model provides, because of the separate setting of its lock piece with spiral spare, its thickness reduces greatly, and its size can be built in mobile phone or small-sized electronic product is inner; And the earphone retractor device that provides of the utility model, adopt mechanical operation principle, can be good at accomplishing the folding and unfolding action of earphone cord; In the telescopic process of earphone cord, electronic equipment need not provide extra electric power to the earphone retractor device, thereby can reduce the loss of battery in the electronic equipment, improves the service time of electronic equipment, and then improves the useful life of electronic equipment.
Description of drawings
Fig. 1 is the sketch map of the earphone retractor device that provides of the utility model.
Fig. 2 is the exploded view of the earphone retractor device that provides of the utility model.
Fig. 3 is the vertical view of the winding roll that provides of the utility model.
Fig. 4 is the upward view of the winding roll that provides of the utility model.
Fig. 5 is the upward view of the rolling disc that provides of the utility model.
Fig. 6 is the sketch map of the locking slide block that provides of the utility model.
Fig. 7 is the sketch map of the lower cover that provides of the utility model.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
A kind of earphone retractor device, it comprises loam cake 1, lower cover 3 and telescopic component 2.Lower cover 3 comprises lock chamber 31 and the object placing cavity 32 adjacent with lock chamber 31; Telescopic component 2 comprises the lock piece 21 that is arranged in the lock chamber 31, and is rotatably assorted with lock piece 21 and is arranged on the interior spiral spare 22 of object placing cavity 32.
Lock piece 21 comprise rolling disc 211, be arranged on the locking track 212 of rolling disc 211 bottom surfaces, in locking track 212, slide and be arranged on lock chamber 31 bottoms locking slide block 213, and lock piece 21 is positioned at first fixed axis 214 in the lock chamber 31.
The utility model is not done specific (special) requirements to the shape of lock chamber 31 and object placing cavity 32; Preferably, it is circular.
The telescopic component 2 of the utility model comprises the lock piece 21 that is arranged in the lock chamber 31 and is that be rotatably assorted and be arranged on the spiral spare 22 in the object placing cavity 32 with lock piece 21; Lock piece 21 comprises rolling disc 211, is arranged on the locking track 212 of rolling disc 211 bottoms, in locking track 212, slides and is arranged on the locking slide block 213 of lock chamber 31 bottom surfaces; Preferably, rolling disc 211 is the gear rotation Moving plate; The utility model is not done specific (special) requirements to the material of rolling disc 211, can be for plastic material, can be metal material yet; Preferably, adopt plastic material; Adopt plastic material can reduce the weight of telescopic component 2, thereby reduce the overall weight of earphone retractor device; Preferably, be provided with round boss, can make tightr that telescopic component 2 cooperates with loam cake 1 like this, prevent that rolling disc 211 in the vertical directions from moving up and down, and influences the rotating effect of rolling disc 211 on the top of rolling disc 211.
Be arranged on the locking track 212 of rolling disc 211 lower surfaces, it is irregular circular arc; The locking track is provided with position-arresting part 215, and the utility model is not done specific (special) requirements to the shape of position-arresting part, as long as can block locking slide block 213; Locking track 212 is known in those skilled in the art, repeats no more at this.
Locking slide block 213 comprises backstay 2132, foxy 2131; The utility model is not done specific (special) requirements to the shape of locking slide block 213, can be linear, can be inverted "L" shaped yet; Preferably, it is an inverted "L" shaped; More preferably, foxy 2131 is cylindrical; Adopt the slippery fellow 2131 of this shape, can reduce the damage of foxy 2131 pairs of locking tracks 212, prolong the useful life of locking track 212.
Be provided with the suitable location notch 312 of shape and locking slide block 213 in the bottom of lock chamber 31; What slide block can slide is arranged in the location notch.When rolling disc 211 rotated, foxy 2131 slided in locking track 212, and drive locking slide block 213 along continuous straight runs in location notch 312 is done straight line and moved.Lock piece 21 also comprises first fixed axis 214, offers first location hole 216 at the home position of rolling disc 211; First fixed axis 214 passes first location hole 216 with lock piece 21 firm being positioned in the lock chamber 31; The utility model is not done specific (special) requirements to the shape of first fixed axis 214; Diminished shaft can be, also multidiameter can be; Preferably, it is a multidiameter; Adopt this stair-stepping first fixed axis 214 can make fixing more firm of lock piece 21 and lock chamber 31, be difficult for play.
Spiral spare 22 comprises winding roll 221, is fixed on the scroll spring 222 on the winding roll 221 and passes winding roll 221 and winding roll 221 is positioned at second fixed axis 223 in the object placing cavity 32.
The winding roll 221 that the utility model provides is the gear winding roll; Adopt the gear winding roll, can make spiral spare 22 and lock piece 21 better realize being rotatably assorted; Improve the rotational efficienty of earphone retractor device.Non-home position is provided with the first winding portion 224 in the middle of the top of winding roll 221; Preferably, in the first winding portion 224, be provided with at least one fitting recess 226; The utility model is not done specific (special) requirements to the shape of the first winding portion 224, can be for square, and also annular; Preferably, it is an annular; Earphone cord is wrapped in the first winding portion 224 more closely, has reduced the gap that earphone cord twines; Dwindle the size of winding roll 221, and then reduced the size of earphone retractor device.
Be provided with second location hole, 227, the second locating shafts 223 at the home position of winding roll 221 and pass second location hole 227, spiral spare 22 is positioned in the object placing cavity 32.Preferably, second fixed axis 223 is a multidiameter; Top along continuous straight runs at second fixed axis 223 offers fixed groove 225; The utility model is not done specific (special) requirements to the shape of fixed groove 225, and preferably, it is square.
Scroll spring 222 is arranged on the inboard of the first winding portion 221, and scroll spring 222 comprises first link, second link; First link of scroll spring 222 is connected on the fitting recess 226 of the first winding portion 221; Second link is fixed in the fixed groove 225 at second fixed axis, 223 tops; Wherein scroll spring 222 is parts known in those skilled in the art, repeats no more at this.
Preferably, be provided with first fixing lug boss of semi-round ring shape in the outside of the first winding portion 224, can fix earphone cord like this, thereby make the outside that is wrapped in the first winding portion 224 that earphone cord can be more orderly.
Preferably, on winding roll 221, offer through hole (not marking among the figure) near the position of first fixing lug boss, one end; Lower surface at winding roll 221 is provided with the second winding portion 228, and preferably, the second winding portion 228 is a cylindrical boss; Be provided with second fixing lug boss with the concentric annular of the second winding portion 228 at arbitrary section circular arc place of the second winding portion 228; Can make more orderly being wrapped in the second winding portion 228 of earphone cord of connecting circuit plate portion like this.More preferably, also be provided with counter-rotating post 229 in the bottom of winding roll 221; Counter-rotating post 229 is set; Can make when winding roll 221 when direction is rotated; When the earphone cord that twines in the second winding portion 228 unclamped, earphone cord can make the earphone cord that unclamps along orderly again being wrapped in the second winding portion 228 of opposite direction through counter-rotating post 229.
Preferably, offer with lower cover 3 places of coincidence at object placing cavity 32 and to stretch out groove, the utility model does not have specific (special) requirements to stretching out groove 322, as long as earphone cord is passed; Being wrapped in earphone cord one end in the second winding portion 228 passes and stretches out groove 322 and be connected on the circuit board.
The earphone cord canoe of the utility model earphone wind is specific as follows:
Be wrapped in that earphone comprises two parts on the winding roll 221, first connects headset earpiece, and is wrapped in the first winding portion 224; Second portion passes through hole and is wrapped in the second winding portion 228 and connects cell phone mainboard; And the winding direction that is wrapped in the earphone cord in the first winding portion 224 and the second winding portion 228 respectively is in the same way.
Be connected with headset earpiece and when being wrapped in the earphone cord in the first winding portion 224, earphone cord drives winding roll 221 and rotates when drawing, the earphone cord that is wrapped in the second winding portion 228 begins to loosen; When the earphone cord in the first winding portion 224 was drawn out certain-length, the earphone cord that is wrapped in the second winding portion 228 loosened fully, and beginning is under the effect of reversing shaft 229, along being wrapped in the second winding portion 228 with initial spiral direction in the opposite direction; And along with winding roll 221 rotates, the earphone cord that is wrapped in the second spiral portion 228 is wrapped in the second spiral portion 228 along the direction opposite with initial winding direction gradually closely.
When not using earphone, light drawstring has the earphone cord of receiver one side; Winding roll 221 rotates along rightabout; Earphone cord is retracted and is wrapped in the first spiral portion 224; At this moment, the earphone cord in the second spiral portion 228 begins to loosen; After all loosening, this part earphone cord can be wrapped in along the direction identical with initial winding direction in the second spiral portion 228, twine until earphone cord to finish, and this process, earphone cord can only be drawn out from a direction.
When winding roll 221 rotates, be wrapped in the part earphone cord in the first winding portion 224 and be wrapped in the part earphone cord mutually noninterfere in the second winding portion 228; Promptly after the earphone cord in the first winding portion 224 all was drawn out, winding roll stopped operating; The earphone cord that is wrapped in the second winding portion 228 can not be drawn out so that be wrapped in the length increase that the earphone cord in the first winding portion 224 is stretched through through hole.
Adopt this canoe, in the time of can avoiding winding roll 221 to rotate, be wrapped in the second winding portion and the part earphone cord that connects mainboard is torn, cause this part earphone cord to contact be connected insecure with mainboard; Even in the process that earphone cord is torn, earphone cord and mainboard break away from and are connected, the phenomenon generation that earphone can't operate as normal; And then the working life that prolongs earphone; Its headphone is parts known in those skilled in the art, repeats no more at this.
The earphone retractor device that the utility model provides; When not in use, earphone cord is wrapped in respectively in the first winding portion 224 and the second winding portion 228 of winding roll 221; And scroll spring 222 is in relative relaxed state, the savings part energy.
When using earphone, the stretched earphone cord that is wrapped in the first winding portion 224; Earphone cord stretches out and drives winding roll 221 and begins to rotate, and the earphone cord in the second winding portion 228 begins to loosen; The scroll spring 222 that is fixed on simultaneously in the first winding portion 224 is curled up tight; The rolling disc 211 of lock piece 21 begins to rotate under the drive of winding roll 221; Foxy 2131 slide in locking track 212; When stretched needed length, foxy 2131 can slide into position-arresting part 215, and mechanism just is stuck like this, and the earphone cord that is drawn out can not be withdrawn.After the earphone cord in the second winding portion 228 unclasps fully,, under the effect of counter-rotating post 229, be wrapped in the second winding portion 228 with the direction opposite with original winding direction.After using earphone; Draw the earphone cord of a segment length, the slippery fellow can skid off position-arresting part 215 and slide along the outermost track of locking track 212, at this moment foxy 2131 is sliding and does not hinder; Under the effect of scroll spring 222, the earphone cord retractor device inside of can withdrawing automatically.A duty cycle of the earphone retractor device of the utility model finishes like this.
General, the size of earphone retractor device is very big, can't be integrated in the perhaps littler electronic product of mobile phone; And the earphone retractor device adopts motor-driven, and motor to need battery be that it provides electric power, increased the burden of battery like this, also increased the loss of battery.
And the earphone retractor device that the utility model provides, lock piece and spiral spare branch are arranged, and its thickness in the vertical direction reduces greatly, can be integrated in fully in the perhaps littler electronic product of mobile phone; And the earphone retractor device that the utility model provides adopts mechanical structure, can be good at accomplishing the folding and unfolding action of earphone cord; In the telescopic process of earphone cord, electronic equipment need not provide extra electric power to the earphone retractor device, thereby can reduce the loss of battery in the electronic equipment, improves the service time of electronic equipment, and then improves the useful life of electronic equipment; Simultaneously, the earphone retractor device that the utility model provides is unidirectional flexible, can make the convenient of earphone use like this.
Second purpose of the utility model provides a kind of mobile phone.
A kind of mobile phone, it comprises the earphone retractor device, said earphone retractor device is the earphone retractor device that the utility model provides.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.

Claims (10)

1. earphone retractor device, it is characterized in that: it comprises loam cake, lower cover and telescopic component;
Said lower cover comprises lock chamber and the object placing cavity adjacent with said lock chamber;
Said telescopic component comprise the lock piece that is arranged in the said lock chamber, and and said lock piece be rotatably assorted and be arranged on the spiral spare in said object placing cavity;
Said lock piece comprise rolling disc, be arranged on the locking track of said rolling disc bottom surface, in said locking track, slide and be arranged on said lock chamber bottom the locking slide block, and said lock piece is positioned at first fixed axis in the said lock chamber;
Said spiral spare comprises winding roll, is fixed on the scroll spring on the said winding roll and passes said winding roll and said spiral spare is positioned at second fixed axis of said object placing cavity.
2. earphone retractor device as claimed in claim 1 is characterized in that: said winding roll is provided with the first winding portion that is used to twine earphone cord; Lower surface at said winding roll is provided with the second winding portion that is used to twine earphone cord; It is inboard that said scroll spring is fixed on the said first winding portion.
3. earphone retractor device as claimed in claim 2 is characterized in that: in the said first winding portion, offer at least one fitting recess, offer fixed groove at the top of said second fixed axis; Scroll spring comprises first link, second link; First link of scroll spring is connected on the fitting recess of the first winding portion; Second link is fixed in the fixed groove at the second fixed axis top.
4. like any described earphone retractor device of claim 1-3, it is characterized in that: on said winding roll, offer and be used for the through hole that earphone cord passes.
5. like any described earphone retractor device of claim 1-3, it is characterized in that: the lower surface at said winding roll is provided with the counter-rotating post.
6. earphone retractor device as claimed in claim 1 is characterized in that: establish location notch in said lock chamber bottom; Said slide block slidably is arranged in the location notch; Said locking track is provided with position-arresting part, and said locking slide block comprises the slippery fellow, and turn disc makes the slippery fellow in the locking track, slide and stops at the position-arresting part place.
7. earphone retractor device as claimed in claim 1 is characterized in that: said rolling disc is the gear rotation Moving plate; Said winding roll is the gear winding roll.
8. earphone retractor device as claimed in claim 1 is characterized in that: the home position of said rolling disc, winding roll is respectively equipped with first location hole, second location hole; Said first fixed axis passes said first location hole lock piece is positioned in the lock chamber, and second fixed axis passes second fixing hole spiral spare is positioned in the object placing cavity; Said first fixed axis, second fixed axis are multidiameter.
9. earphone retractor device as claimed in claim 1 is characterized in that: said being covered with down supplies the hole of stretching out that earphone cord stretches out.
10. mobile phone, it comprises and is arranged on the inner earphone retractor device of mobile phone; It is characterized in that: said earphone retractor device is any described earphone retractor device of claim 1 to 9.
CN 201220178900 2012-04-25 2012-04-25 Earphone retractable device and mobile phone Expired - Fee Related CN202602725U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220178900 CN202602725U (en) 2012-04-25 2012-04-25 Earphone retractable device and mobile phone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220178900 CN202602725U (en) 2012-04-25 2012-04-25 Earphone retractable device and mobile phone

Publications (1)

Publication Number Publication Date
CN202602725U true CN202602725U (en) 2012-12-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220178900 Expired - Fee Related CN202602725U (en) 2012-04-25 2012-04-25 Earphone retractable device and mobile phone

Country Status (1)

Country Link
CN (1) CN202602725U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103318717A (en) * 2013-06-28 2013-09-25 张玉麟 One-way rewinding machine and rewinding method thereof
CN104120931A (en) * 2014-07-09 2014-10-29 中国人民武装警察部队工程大学 Double-chain-type connection device
WO2016174499A1 (en) 2015-04-29 2016-11-03 Laidback Life Ltd Device for storing an earphone cable and method for using the device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103318717A (en) * 2013-06-28 2013-09-25 张玉麟 One-way rewinding machine and rewinding method thereof
CN104120931A (en) * 2014-07-09 2014-10-29 中国人民武装警察部队工程大学 Double-chain-type connection device
WO2016174499A1 (en) 2015-04-29 2016-11-03 Laidback Life Ltd Device for storing an earphone cable and method for using the device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121212

Termination date: 20190425