CN102061850A - Wrenching and buckling type window opening limiter - Google Patents
Wrenching and buckling type window opening limiter Download PDFInfo
- Publication number
- CN102061850A CN102061850A CN2010105700168A CN201010570016A CN102061850A CN 102061850 A CN102061850 A CN 102061850A CN 2010105700168 A CN2010105700168 A CN 2010105700168A CN 201010570016 A CN201010570016 A CN 201010570016A CN 102061850 A CN102061850 A CN 102061850A
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- clipping block
- pedestal
- buckling piece
- window opening
- type window
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Abstract
The invention provides a wrenching and buckling type window opening limiter which is arranged at the inner side of a transverse window frame of an external window sash of transverse pull type aluminum door and window. When the limiter is outwards wrenched by a clamping and stopping block which is movably accommodated in an accommodating room of a seat body, a buckling piece close to the clamping and stopping block is buckled at a clamping and buckling part of the clamping and stopping block in a sliding way, so that the clamping and stopping block is in a convex and locking stop status, thereby limiting the openable distance between an outer window sash and an inner window sash; and when the stopping and limiting functions need to be relieved, the buckling piece close to the clamping and stopping block is movably separated from the clamping and buckling part, and the clamping and stopping block can be wrenched to be retracted into the accommodating room of the seat body, so that the window sashes can be completely opened.
Description
Technical field
The present invention is the design of relevant a kind of window opening limiter, in the time of can utilizing the set formula of the pulling clipping block of this limiter outwards to pull out, uses backstop and controls the openable width distance of inside and outside two sash, is specially adapted to the sliding aluminium door and window with as security protection.
Background technology
Building in the design in building at present, can be indoor for making light and fresh air by outdoor importing, therefore on the wall of building, all can make and establish aluminium door and window.But for preventing to invade after the thief from breaking glass via aluminium door and window, and in order to make sash after opening, safer protection effect be arranged, often again in installing a barred window additional outside window or the aluminium grid is protected, open window unexpected generation of falling down from the building without authorization though can prevent in the family child thus, but also having hindered the effect of escaping in real time when in case fire takes place relatively, barred window or aluminium grid more can be blocked the fire fighter and enter the opportunity of rescuing people, fire fighting in the scene of a fire; And most senior houses are safeguarded the restriction of pact because of facade is arranged, therefore also the barred window fence might can't be installed on the exterior window, therefore the user can be installed a stopper limiter usually additional on aluminum window, to limit the distance that its inside and outside sash is opened, prevent that the child is via opening excessive window unexpected generation of falling down from the building,, be mainly and comprise a pedestal, at least one latch fitting unit and at least one elasticity clipping block as I286586 number " aluminium window immobilizing retaining limiter " a case of TaiWan, China patent announcement in preceding; Wherein, pedestal is provided with a chamber, and holding this elasticity clipping block, the side at this chamber is provided with this latch fitting unit simultaneously, utilizes the latch fitting unit and can control the elasticity clipping block and stick up in chamber and rise or retraction, and located; When clipping block sticks up when rising, can limit this horizontal enable possition of splitting sash of drawing.In addition, when the clipping block retraction, then this aluminum window can recover the function of general sash standard-sized sheet.
The clipping block of right this limiter sticks up when rising, also form the function that a lock is pulled, though can be as the safe window that prevents that children from climbing, also has the effect of saving from damage, and when emergency takes place, then can be in chamber with the clipping block retraction, but making the sash standard-sized sheet use, but since this clipping block by being controlled by a latch fitting unit, so at every turn when using, no matter be clamping block is stuck up rise or retraction, all must drive this latch fitting unit, quite inconvenience on using by a key, and in order to make children not open this latch fitting unit easily, the head of a family tends to this key is covered up, and can not find key when emergency takes place, so the doubt on the safety is also arranged.
In view of this, the inventor newly designs a window opening limiter of exempting to remove with key the clip effect, and makes certain stopper function with buckling piece, can be upward more convenient in using, and have the window opening limiter of safety, escape effect such as antitheft concurrently, consumption is popular to be used to provide.
Summary of the invention
Main purpose of the present invention, a kind of window opening limiter is being provided, utilize an activity to be hubbed at the interior formula of the pulling clipping block of pedestal room, use the spacing that the inside and outside sash of restriction window is opened when the formula clipping block of pulling is pulled out, and be provided with buckling piece in addition in the clipping block side, clipping block can be withdrawn to prevent children its locking location in pulling open when giving prominence to from line operate and then because of the false touch clipping block, make that home safety obtains to ensure.
In order to achieve the above object, the present invention is provided with mainly that a pedestal, is pulled the formula clipping block and an above buckling piece is formed; It is characterized in that:
This pedestal which is provided with a room, and the room side is provided with the slotted eye that inside communicates;
This clipping block has pivot and clamping part, and wherein pivot is located at the clipping block bottom side, and being pivoted clipping block in the room of pedestal, and clamping part is located at the bottom of clipping block; And
This buckling piece, setting is installed in the slotted eye of pedestal, and this buckling piece is extended with the fixing sheet in the clipping block side, fix sheet can with the corresponding buckle of this clamping part, use when clipping block is outwards pulled out, make the fixing sheet slide fastener of this buckling piece fix in the clamping part of clipping block.
Wherein the room of this pedestal more can be provided with a straight trough that leads to mutually and a circular groove in this slotted eye bottom plate body in the set slotted eye of side; Use when buckling piece is installed in the slotted eye of pedestal, this buckling piece removes and is provided with the fixing sheet, fix sheet can with the corresponding buckle of this clamping part, on the buckling piece top, more can be provided with a perforation in addition, in perforation, to be provided with snap close.
And in product, more slotted eye bottom one plate body of pedestal can be provided with a straight trough that leads to mutually and a circular groove, and buckling piece is installed in the slotted eye of pedestal, the buckling piece top is provided with roughness, be provided with a perforation in roughness, the perforation below is provided with two jamming rods in the pedestal plate body back side.Make the buckling piece rear be provided with elastic body, wherein this elastic body can integrally formedly be incorporated into the buckling piece rear end, can be to be provided with foot lever also with elastic body with two extensions, and in its slotted eye of pedestal, be provided with tubing string, utilize the spiral shell spare can be when elastomer sleeve is fixed on the tubing string, locked with spiral shell spare, this seasonal buckling piece is installed in the slotted eye, force two jamming rods to be resisted against on the foot lever of two extensions, use and form a thrust, can make this buckling piece normality for to pulling formula clipping block compacting pushing and pressing, form stopping effect with simple and easy locking function.
Other characteristics of the present invention and specific embodiment can further be understood in the detailed description of following conjunction with figs..
Description of drawings
Fig. 1 is an embodiment of the invention structure decomposition map.
Fig. 2 is an embodiment of the invention stereo appearance figure.
Fig. 3 is an embodiment of the invention sectional view.
Fig. 3 A is an embodiment of the invention local structure enlarged diagram.
Fig. 4 pulls out the back outside drawing for embodiment of the invention clipping block.
Fig. 5 pulls out the action schematic diagram for embodiment of the invention clipping block.
Fig. 6 is another embodiment of the present invention structure decomposition map.
Fig. 7 makes up the rear side viewing stereo appearance figure for Fig. 6 embodiment.
Fig. 8 is Fig. 6 embodiment sectional view of the present invention.
Fig. 9 is yet another embodiment of the invention structure decomposition map.
Figure 10 makes up the rear side viewing stereo appearance figure for Fig. 9 embodiment.
Figure 11 is Fig. 9 embodiment stereo appearance figure.
Figure 12 specifically uses the schematic diagram of demonstration example for the present invention.
Figure 13 is further embodiment of this invention local structure exploded view.
Figure 14 makes up back local structure rear side viewing stereo appearance figure for Figure 13 embodiment.
Figure 15 is Figure 13 embodiment buckling piece and elastic body illustrative view.
The specific embodiment
Please join Fig. 1, Fig. 2, shown in Figure 12 simultaneously, the present invention is a turning-fastening type window opening limiter structure, is mainly used on the sliding aluminium door and window, and structure is provided with that a pedestal 10, is pulled formula clipping block 20 and an above buckling piece 30 is formed.Wherein pulling formula clipping block 20 pivots closes on pedestal 10, and buckling piece 30 is located at clipping block 20 sides, dash forward when pedestal 10 is outside and pull out when clipping block 20 upset, mobile buckling piece 30 is to limit the openable position of inside and outside two sash, join shown in Figure 12ly, have antitheft effect at home and can prevent that the danger that child accident is fallen down from the building from taking place in using.
Please join shown in Fig. 1～Fig. 3, Fig. 3 A, set pedestal 10 is provided with a room 11, and is provided with the slotted eye 12 that is connected at least one side by the room 11, then respectively is provided with a slotted eye 12 respectively at room 11 both sides among this graphic embodiment.
This is pulled on the formula clipping block 20 can integrally formedly be provided with pivot, or also can utilize a pivot 21 clipping block to be hubbed in the room 11 of pedestal 10 as shown in the figure, making clipping block 20 movablely overturn to pull out is exposed to outside the pedestal 10, or switching bounces back in room 11, when when retraction for making external surface smooth, and pull formula clipping block 20 and be provided with clamping part 22 in the bottom, top ends central authorities then are provided with a concave arc 23, then be provided with locating groove 24 in concave arc 23 both sides, convex with in addition salient point 13 with corresponding to draw-in groove 24 in pedestal 10 rooms 11 apical margin inwall places, as shown in Figure 3A, when pulling formula clipping block 20 and turn back in the room 11, then can be by salient point 13 mutual plastic buckle with draw-in groove 24, make in the smooth room 11 that is positioned pedestal 10 of clipping block 20, as shown in Figure 3.
This buckling piece 30 is installed in the slotted eye 12 of pedestal 10, and buckling piece is provided with and fixes sheet 31, fixing sheet 31 is located near clipping block 20 sides and is extended, fixing sheet 31 in back, the traversing sliding position of buckling piece can be corresponding with clamping part 22 and engage, and buckling piece 30 top better embodiment are for being provided with roughness 32, the side end better embodiment is for establishing elastic body 34, this elastic body can be made as integrally formed buckling piece 30 side ends that are incorporated into of plastics shell fragment pattern, also can as shown in the figure buckling piece 30 bottoms be established and be Openworks shape, be provided with projection 33 in inner transverse again, on projection 33, be nested with the shell fragment of an elastic body 34 or other profile.This pedestal 10 is provided with most elasticity in the bottom side periphery and colludes body 14 in this enforcement in addition, can directly buckling piece 30 be fixedly arranged in the pedestal 10.
Please join Fig. 2, Fig. 4, shown in Figure 5 again, the present invention is when when using, the user can pull out the formula of pulling clipping block 20 upsets that are recessed in pedestal 10 rooms 11, make this pull formula clipping block 20 and be based in pedestal 10 outsides, use the openable stroke of inside and outside two sash of backstop, reach the restriction of window opening width, join shown in Figure 12.Moreover, when pulling formula clipping block 20 and outwards pull out, 30 of buckling pieces being located at clipping block 20 sides can see through that elastic body 34 be shored and slide automatically, and make fixing sheet 31 buckles on the buckling piece in the clamping part 22 of clipping block 20, join shown in Figure 5, to form the locating effect of inlay card effect.And when the user desires to turn back clipping block 20, after then must earlier buckling piece 30 outwards being stirred synchronously with manual mode, just can pull and fix in the clipping block 20 withdrawal rooms 11, make opening limiter outside be tabular surface to remove the unlatching restriction of window opening.
Please join Fig. 6～shown in Figure 8, another embodiment for opening limiter of the present invention, for a torsion spring 25 is hubbed on the pivot of clipping block 20, and be positioned at the buckling piece 30 of pulling formula clipping block 20 both sides and be provided with a groove 35, the end of groove 35 then is provided with a locating hole 36, then the both ends foot lever of torsion spring 25 can be embedded in respectively by this in each locating hole 36, order is pulled formula clipping block 20 and is subjected to the effect of torsion spring 25 to be the setting of elasticity pivot, and torsion spring 25 is for being resisted against on the buckling piece 30.
Please join Fig. 9～shown in Figure 11, be an embodiment more of the present invention, have additional a base plate 15 in pedestal 10 bottoms in the present embodiment, and this base plate 15 is provided with depressed part 16, order is hubbed at torsion spring 25 ends of pulling formula clipping block 20 and can directly relies in the depressed part 16, and base plate 15 both sides are respectively equipped with fin 17 again, then are provided with the chute 37 that can Gong set on the corresponding position of buckling piece 30, by this, more smooth-going in the time of can making these buckling piece 30 slippages.
Please join Figure 13～shown in Figure 15, be another embodiment of the present invention, be provided with a straight trough that leads to mutually 18 and circular groove 19 in slotted eye 12 bottoms of pedestal 10 plate body in the present embodiment, and buckling piece 30 is installed in the slotted eye 12 of pedestal 10, the buckling piece top is provided with roughness 32, be provided with a perforation 38 in roughness 32,38 belows of boring a hole are provided with two jamming rods 39 in the pedestal 10 plate body back sides.Make buckling piece 30 rears be provided with elastic body 40, wherein this figure embodiment elastic body 40 is for being provided with the foot lever 41 of two extensions, and in pedestal 10 its slotted eyes 12, be provided with tubing string 42, utilizing a spiral shell spare 43 to be fixed in tubing string 42 backs in elastic body 40 covers is locked with spiral shell spare 43, these seasonal buckling piece 30 installings are gone in the slotted eye 12, force two jamming rods 39 to be resisted against on the foot lever 41 of two extensions, use forming a thrust, can make these buckling piece 30 normalities for to pulling the 20 compacting pushing and pressing of formula clipping block, join shown in Figure 15.
Other is provided with in the perforation 38 that a snap close 50 is arranged in buckling piece 30, snap close 50 is extended with a cylinder 51 downwards, and be provided with clip slot 52 and inclined-plane flange 53 in these cylinder 51 proximal end places, the outside dimension that makes inclined-plane flange 53 is slightly greater than the diameter dimension of circular groove 19, so after utilizing inclined-plane flange 53 can directly make cylinder 51 pass the perforation 38 of buckling piece 30, utilize inclined-plane flange 53 to buckle on circular groove 19 again, therefore when rotating by snap close 50 outer surface grooves 54, clip slot 52 rotations are and 18 one-tenth parallel directions of straight trough, and then can make buckling piece 30 traversing promotions, reach restriction clipping block 20 and can be rotated the function of turning back.
In sum, turning-fastening type window opening limiter of the present invention, for utilizing one to pull the clipping block of formula, use control sash tool backstop effect or be openable state, the buckling piece of establishing by side makes clipping block be the aspect of locking again, to increase the preciseness on using, not only in using safe ready more, and the effect that has escape simultaneously concurrently, protects, the value of utilizing on the tool industry, really belong to the design of a novelty, propose patent application in accordance with the law.
Claims (22)
1. turning-fastening type window opening limiter is provided with that a pedestal, is pulled the formula clipping block and an above buckling piece is formed; It is characterized in that:
This pedestal which is provided with a room, and the room side is provided with the slotted eye that inside communicates;
This clipping block has pivot and clamping part, and wherein pivot is located at the clipping block bottom side, and being pivoted clipping block in the room of pedestal, and clamping part is located at the bottom of clipping block; And
This buckling piece, setting is installed in the slotted eye of pedestal, and this buckling piece is extended with the fixing sheet in the clipping block side, fix sheet can with the corresponding buckle of this clamping part, use when clipping block is outwards pulled out, make the fixing sheet slide fastener of this buckling piece fix in the clamping part of clipping block.
2. turning-fastening type window opening limiter as claimed in claim 1 is characterized in that: wherein these clipping block top ends central authorities are provided with a concave arc, then are provided with draw-in groove in the concave arc both sides, and convexing with salient point in pedestal room apical margin inwall place can be for being fastened in draw-in groove.
3. as each described turning-fastening type window opening limiter in the claim 1～2, it is characterized in that: wherein this clipping block pivot is provided with a torsion spring, makes this clipping block can be elasticity and pivots.
4. turning-fastening type window opening limiter as claimed in claim 1 is characterized in that: wherein the pedestal bottom more is provided with a base plate.
5. turning-fastening type window opening limiter as claimed in claim 4, it is characterized in that: wherein base plate is provided with fin, is provided with the chute that can Gong set in the position, corresponding position of buckling piece simultaneously.
6. turning-fastening type window opening limiter as claimed in claim 1, it is characterized in that: wherein buckling piece is provided with roughness in the top, and the bottom establishes and is Openworks shape, and be provided with projection in inside, an elastic body is set in projection.
7. turning-fastening type window opening limiter is provided with that a pedestal, is pulled the formula clipping block and a buckling piece is formed; It is characterized in that:
This pedestal which is provided with a room, and the room side is provided with the slotted eye that an inside communicates, and one plate body is provided with a straight trough that leads to mutually and a circular groove in the slotted eye bottom of pedestal;
This clipping block has pivot and clamping part, and wherein pivot is located at the clipping block bottom side, and being pivoted clipping block in the room of pedestal, and clamping part is located at the bottom of clipping block; And
This buckling piece, setting is installed in the slotted eye of pedestal, and this buckling piece is extended with the fixing sheet in the clipping block side, fix sheet can with the corresponding buckle of this clamping part, use when clipping block is outwards pulled out, make the fixing sheet slide fastener of this buckling piece fix in the clamping part of clipping block, the buckling piece top is provided with a perforation, to be provided with snap close in perforation.
8. turning-fastening type window opening limiter as claimed in claim 7 is characterized in that: wherein these clipping block top ends central authorities are provided with a concave arc, then are provided with draw-in groove in the concave arc both sides, and convexing with salient point in pedestal room apical margin inwall place can be for being fastened in draw-in groove.
9. as each described turning-fastening type window opening limiter in the claim 7～8, it is characterized in that: wherein this clipping block pivot is provided with a torsion spring, makes this clipping block can be elasticity and pivots.
10. turning-fastening type window opening limiter as claimed in claim 7 is characterized in that: wherein the pedestal bottom more is provided with a base plate.
11. turning-fastening type window opening limiter as claimed in claim 10, it is characterized in that: wherein base plate is provided with fin, is provided with the chute that can Gong set in the position, corresponding position of buckling piece simultaneously.
12. turning-fastening type window opening limiter as claimed in claim 7, it is characterized in that: wherein buckling piece is provided with roughness in the top, and the bottom establishes and be Openworks shape, and is provided with projection in inside, and an elastic body is set in projection.
13. turning-fastening type window opening limiter as claimed in claim 7, it is characterized in that: wherein set perforation on the buckling piece top, the perforation below is provided with two jamming rods in the pedestal plate body back side, make the buckling piece rear be provided with elastic body, elastic body is provided with the foot lever of two extensions, and in its slotted eye of pedestal, be provided with tubing string, utilize a spiral shell spare after elastomer sleeve is fixed in tubing string, to be locked with spiral shell spare, make buckling piece install in the slotted eye, force two jamming rods to be resisted against on the foot lever of two extensions, use forming a thrust.
14. as each described turning-fastening type window opening limiter in the claim 7～13, it is characterized in that: wherein snap close is extended with a cylinder downwards, and be provided with clip slot and inclined-plane flange in this cylinder proximal end place, the outside dimension that makes the inclined-plane flange is slightly greater than the diameter dimension of circular groove, so after utilizing the inclined-plane flange can directly make cylinder pass the perforation of buckling piece, utilize the inclined-plane flange to buckle on circular groove again.
15. a turning-fastening type window opening limiter is provided with that a pedestal, is pulled the formula clipping block and two buckling pieces are formed; It is characterized in that:
This pedestal which is provided with a room, and room two sides respectively is provided with the slotted eye that inside communicates, and plate body is provided with straight trough and the circular groove that leads to mutually in one of them slotted eye bottom of pedestal;
This clipping block has pivot and clamping part, and wherein pivot is arranged in the clipping block bottom side, and being pivoted clipping block in the room of pedestal, and clamping part is located at the bottom of clipping block; And
Two buckling pieces, be arranged at respectively in the slotted eye of pedestal room two sides, and this buckling piece is extended with the fixing sheet in the clipping block side, fix sheet can with the corresponding buckle of its clamping part, use when clipping block is outwards pulled out, make the fixing sheet slide fastener of this buckling piece fix in the clamping part of clipping block;
One of them buckling piece is provided with a perforation, to be provided with snap close in perforation.
16. turning-fastening type window opening limiter as claimed in claim 15 is characterized in that: wherein these clipping block top ends central authorities are provided with a concave arc, then are provided with draw-in groove in the concave arc both sides, and convexing with salient point in pedestal room apical margin inwall place can be for being fastened in draw-in groove.
17. as each described turning-fastening type window opening limiter in the claim 15～16, it is characterized in that: wherein this clipping block pivot is provided with a torsion spring, makes this clipping block can be elasticity and pivots.
18. turning-fastening type window opening limiter as claimed in claim 15 is characterized in that: wherein the pedestal bottom more is provided with a base plate.
19. turning-fastening type window opening limiter as claimed in claim 18, it is characterized in that: wherein base plate is provided with fin, is provided with the chute that can Gong set in the position, corresponding position of buckling piece simultaneously.
20. turning-fastening type window opening limiter as claimed in claim 15, it is characterized in that: wherein buckling piece is provided with roughness in the top, and the bottom establishes and be Openworks shape, and is provided with projection in inside, and an elastic body is set in projection.
21. as each described turning-fastening type window opening limiter in the claim 15～20, it is characterized in that: wherein set perforation on the buckling piece top, the perforation below is provided with two jamming rods in the pedestal plate body back side, make the buckling piece rear be provided with elastic body, elastic body is the foot lever that is provided with two extensions, and in its slotted eye of pedestal, be provided with tubing string, utilize a spiral shell spare after elastomer sleeve is fixed in tubing string, to be locked with spiral shell spare, make buckling piece install in the slotted eye, force two jamming rods to be resisted against on the foot lever of two extensions, use forming a thrust.
22. as each described turning-fastening type window opening limiter in the claim 15～21, it is characterized in that: wherein snap close is extended with a cylinder downwards, and be provided with clip slot and inclined-plane flange in this cylinder proximal end place, the outside dimension that makes the inclined-plane flange is slightly greater than the diameter dimension of circular groove, so after utilizing the inclined-plane flange can directly make cylinder pass the perforation of buckling piece, utilize the inclined-plane flange to buckle on circular groove again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105700168A CN102061850A (en) | 2010-12-02 | 2010-12-02 | Wrenching and buckling type window opening limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105700168A CN102061850A (en) | 2010-12-02 | 2010-12-02 | Wrenching and buckling type window opening limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102061850A true CN102061850A (en) | 2011-05-18 |
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ID=43997327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105700168A Pending CN102061850A (en) | 2010-12-02 | 2010-12-02 | Wrenching and buckling type window opening limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102061850A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061168A (en) * | 2016-08-10 | 2016-10-26 | 歌尔科技有限公司 | Apparatus capable of realizing displacement direction changes and wearable product structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133170Y (en) * | 2007-11-10 | 2008-10-15 | 张金龙 | Door and window fastening apparatus |
| TW200920920A (en) * | 2007-11-14 | 2009-05-16 | zhen-li Lin | Anti-burglary aluminum door/window and transversal-slide limiting lock |
-
2010
- 2010-12-02 CN CN2010105700168A patent/CN102061850A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133170Y (en) * | 2007-11-10 | 2008-10-15 | 张金龙 | Door and window fastening apparatus |
| TW200920920A (en) * | 2007-11-14 | 2009-05-16 | zhen-li Lin | Anti-burglary aluminum door/window and transversal-slide limiting lock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061168A (en) * | 2016-08-10 | 2016-10-26 | 歌尔科技有限公司 | Apparatus capable of realizing displacement direction changes and wearable product structure |
| CN106061168B (en) * | 2016-08-10 | 2021-08-06 | 歌尔科技有限公司 | Device capable of realizing displacement direction conversion and wearable product structure |
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