CN112728377A - Adjusting structure and wearable device - Google Patents
Adjusting structure and wearable device Download PDFInfo
- Publication number
- CN112728377A CN112728377A CN202011594521.6A CN202011594521A CN112728377A CN 112728377 A CN112728377 A CN 112728377A CN 202011594521 A CN202011594521 A CN 202011594521A CN 112728377 A CN112728377 A CN 112728377A
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- Prior art keywords
- knob
- fixedly connected
- fluted disc
- shell
- rings
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- 238000000034 method Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/04—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains, e.g. rifle butt or pistol grip supports, supports attached to the chest or head
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
- F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
- F16B2/08—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D11/16—Clutches in which the members have interengaging parts with clutching members movable otherwise than only axially
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention belongs to the technical field of wearable equipment, and particularly discloses an adjusting structure which comprises a knob, a fluted disc, a fixed seat, an output shaft, a spiral spring and a shell, wherein the fluted disc is arranged on the outer side of the knob; the output shaft is fixedly connected with the knob; the shell is provided with internal teeth; the knob is buckled on the fluted disc, an elastic arm is hinged to the periphery of the fluted disc, a driven bulge is fixedly connected to the inner side of the elastic arm, and elastic outer teeth are fixedly connected to the free end of the outer side of the elastic arm; the active guide rings are symmetrically arranged along the radial direction of the knob and consist of two half open rings, and the middle parts of the half open rings extend towards the center of the knob. The invention also discloses a wearable device comprising the adjusting structure. The adjusting structure and the wearing equipment provided by the invention can not excessively press the body of a user, are simple and convenient to adjust, more conform to use habits, are high in wearing and taking-off efficiency, and are good in user experience.
Description
Technical Field
The invention belongs to the technical field of wearable equipment, and particularly relates to an adjusting structure and wearable equipment.
Background
The adjustment structure and the wearable device are used in many electronic products, such as a Virtual Reality (VR) head-mounted device or an Augmented Reality (AR) head-mounted device.
Traditional wearing equipment is fixed through elastic bandage, and wherein elastic bandage's material often is rubber band or nylon belt, and when using, elastic bandage leans on elastic force fastening user's health, and when fastening dynamics was too big, user's body can appear reining in trace, congestion etc. and user experience feels poor, and live time has been of a specified duration, and elastic bandage can relax, and elasticity disappears.
In order to solve the above problems, the chinese utility model with the publication number CN207666124U discloses an adjustable device and a wearable device, wherein the adjustable device comprises an elastic member, a gear, a unidirectional rotation assembly and a switching control key; the wheel rim of the gear is provided with gear teeth, and the end surface of one side of the gear is provided with first end surface teeth; the unidirectional rotating assembly is provided with second end face teeth which are used for being meshed with the first end face teeth; the switching control key is connected with the gear.
The disclosed adjusting device of above-mentioned patent and wearable equipment all need drive the gear through switching the accuse key and keep away from one-way runner assembly direction and remove when dressing and taking off, make first terminal surface tooth and second terminal surface tooth break away from, and the gear is rotatory, and the process of dressing and taking off is all loaded down with trivial details, can't get at will and put, and user experience feels poor.
Disclosure of Invention
The invention aims to provide an adjusting structure and a wearing device which can be worn and taken down at will and have good user experience.
In order to achieve the purpose, the invention discloses an adjusting structure, which comprises a knob, a fluted disc, a fixed seat, an output shaft and a shell, wherein the fluted disc is arranged on the outer side of the knob; the output shaft is fixedly connected with the knob;
the shell is provided with internal teeth; the knob is buckled on the fluted disc, an elastic arm is hinged to the periphery of the fluted disc, a driven bulge is fixedly connected to the inner side of the elastic arm, and elastic outer teeth capable of being meshed with the inner teeth are fixedly connected to the free end of the outer side of the elastic arm; the driving guide rings are symmetrically arranged along the radial direction of the knob and consist of two half-open rings, the middle parts of the half-open rings extend towards the center of the knob, one end of the driven bulge is inserted into the driving guide rings, and the knob drives the fluted disc to rotate through the driving guide rings;
the gear disc is fixedly connected with the gear disc, and the fixing seat is fixedly connected with the other end of the gear disc; the fixing seat is fixedly connected to the shell.
In order to achieve the purpose, the invention also discloses wearing equipment based on the adjusting structure, which comprises an external gear and two side belts meshed with the external gear besides the adjusting structure; the output shaft is fixedly connected with the external gear.
The working principle and the beneficial effects of the technical scheme are as follows:
(1) the adjusting structure and the wearable device provided by the technical scheme have two using modes.
The method comprises the following steps: because the rotary knob is fixedly connected with a driving guide ring consisting of two semi-open rings, one end of the driven bulge is inserted into the driving guide ring, the rotary knob drives the fluted disc to rotate through the driving guide ring, when the rotary knob is not rotated, the driven bulge is positioned at the joint of the two semi-open rings, and the elastic outer teeth of the elastic arm are meshed with the inner teeth of the shell; when the knob starts to rotate, the driven protrusion moves to the middle part of the half-open ring from the joint of the two half-open rings, the elastic outer teeth of the elastic arm and the inner teeth of the shell are gradually separated, then the knob can drive the fluted disc to rotate clockwise or anticlockwise, so that the output shaft is controlled to rotate clockwise or anticlockwise, or the side belt is controlled to tighten or loosen through the output shaft and the outer gear, a user can wear or take down the equipment, and the user experience is good.
The method II comprises the following steps: for wearing equipment, the side belt is directly pulled outwards, and because the side belt is matched with the outer gear, the outer gear drives the output shaft to rotate, the output shaft drives the knob to rotate, the knob drives the fluted disc to rotate, the spiral spring gradually deforms, and the side belt can stretch out by 2-4cm, so that a user can conveniently wear or take down the equipment easily, and the user experience is good. After the side belt stops being pulled outwards, the spiral spring returns, and the side belt is driven to contract through the fluted disc, the knob, the output shaft and the external gear.
When the device is removed and no further external force is applied to the side straps, the volute spring rebounds and the side straps contract.
(2) Compare with the regulation structure and the wearing equipment of elasticity bandage formula among the prior art, the regulation structure that this technical scheme provided and wearing equipment's long service life to wear for a long time and can not excessively oppress user's health, experience feels good.
(3) When wearing and taking off, all need compare through the prior art who switches the accuse key, this technical scheme's sideband is adjusted portably, outwards pulls the sideband and just can high-efficiently dress and take off this equipment, accords with user's use habit more, has effectively improved the dress and the efficiency of taking off of various regulation structures and wearing equipment (like safety helmet, VR glasses, intelligent bracelet etc.), and user experience feels good.
Drawings
FIG. 1 is a top view of example 1 of the present invention;
fig. 2 is a bottom view of the knob in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a toothed disc, a fixed seat and an output shaft in embodiment 1 of the present invention;
FIG. 4 is a top view of FIG. 1 with the volute spring and knob removed;
FIG. 5 is a perspective view of a volute spring, a fixing seat and an external gear in embodiment 1 of the present invention;
FIG. 6 is a bottom view of the rotary knob, the toothed disc and the fixing base in embodiment 1 of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
FIG. 8 is a perspective view of example 2 of the present invention;
FIG. 9 is a top view of example 2 of the present invention;
FIG. 10 is a top view of embodiment 2 of the present invention with the upper housing and knob removed;
fig. 11 is a plan view of the side belt and the lower case in embodiment 2 of the present invention.
Reference numerals in the drawings of the specification include: the device comprises a knob 1, a semi-open ring 101, an auxiliary reset block 102, an output shaft 103, a shell 2, internal teeth 201, a lower shell 3, a side belt 4, side belt teeth 401, a fluted disc 5, an elastic arm 501, a driven protrusion 502, an auxiliary accommodating frame 503, elastic external teeth 504, a positioning block 505, a spiral spring 6, an auxiliary spring 7, a fixed seat 8, a socket 801 and an external gear 9.
Detailed Description
The following is further detailed by way of specific embodiments:
example 1
The examples are substantially as shown in figures 1 to 7 of the accompanying drawings: an adjustment structure includes a knob 1 and a housing 2.
As shown in fig. 4, the housing 2 is provided with a receiving cavity, as shown in fig. 3, the receiving cavity mainly contains a knob 1, a fluted disc 5, a spiral spring 6, a fixing seat 8 and an output shaft 103, and the knob 1 and the output shaft 103 are fixedly connected through a bolt.
Specifically, as shown in fig. 4, the inner side wall of the accommodating cavity is integrally connected with an inner tooth 201, and the knob 1 is buckled on the fluted disc 5.
The toothed disc 5 is hinged with a flexible arm 501 in the circumferential direction, the inner side of the flexible arm 501 is integrally connected with a driven projection 502, and the outer free end of the flexible arm 501 is integrally connected with a flexible outer tooth 504 capable of meshing with the inner tooth 201 of the accommodating cavity (or the housing 2).
As shown in fig. 3, one end of the spiral spring 6 is fixedly connected to the toothed disc 5, and the other end of the spiral spring 6 is fixedly connected to the fixing base 8, specifically, one end of the spiral spring 6 is integrally connected to a U-shaped return portion, the toothed disc 5 is integrally connected to a positioning block 505, and the return portion is hung on the positioning block 505. The toothed disc 5 is provided with a central hole into which one end of the fixed seat 8 is inserted, and with a socket 801 (fig. 4) into which the end of the volute spring 6 is inserted. The fixed seat 8 is fixedly connected or integrally connected to the shell 2 through bolts.
The number of the spiral springs 6 is two, and the fluted disc 5 is integrally connected with two positioning blocks 505. The number of sockets 801 is also two.
In addition, an auxiliary return block 102 for laterally limiting the spiral spring 6 is integrally connected to the top lower surface of the knob 1.
As shown in fig. 2, the knob 1 is circular in plan view, a closed driving guide ring is symmetrically arranged on the lower surface of the top of the knob 1 along the radial direction of the knob 1, the driving guide ring is heart-shaped, the driving guide ring is composed of two half-open rings 101, the middle part (b in fig. 2) of the half-open ring 101 extends towards the center of the knob 1, one end of a driven protrusion 502 is inserted into the driving guide ring, the knob 1 rotates through a driving guide ring driving toothed disc 5, and specifically, when the driven protrusion 502 is located at the connection part (a in fig. 2) of the two half-open rings 101, an elastic outer tooth 504 of an elastic arm 501 is engaged with an inner tooth 201 of a housing 2; when the driven protrusion 502 moves to the middle of the half-open ring 101 from the joint of the two half-open rings 101, the external elastic teeth 504 of the elastic arm 501 and the internal teeth 201 of the housing 2 are gradually separated (when the driven protrusion 502 is located at the middle of the half-open ring 101, the external elastic teeth 504 of the elastic arm 501 and the internal teeth 201 of the housing 2 are separated), and at this time, the knob 1 can drive the fluted disc 5 to rotate clockwise or counterclockwise, so that the output shaft 103 is controlled to rotate clockwise or counterclockwise.
In particular, at least two active guide rings are uniformly arranged on the knob 1. At least two elastic arms 501 are hinged to the circumference of the toothed disc 5, and in particular, the number of the active guide rings and the number of the elastic arms 501 are preferably three in this embodiment.
The specific implementation mode is as follows:
when the knob 1 is not rotated, the volute spring 6 is in a natural length, when the driven protrusion 502 is located at the joint of the two half-open rings 101, the elastic outer teeth 504 of the elastic arms 501 are meshed with the inner teeth 201 of the housing 2, and a user controls the knob 1 to rotate (clockwise or counterclockwise), on one hand, the knob 1 can drive the output shaft 103 to rotate to realize output adjustment, on the other hand, the driven protrusion 502 moves to the middle of the half-open rings 101 from the joint of the two half-open rings 101, the elastic outer teeth 504 of the elastic arms 501 are gradually separated from the inner teeth 201 of the housing 2, when the driven protrusion 502 is located at the middle of the half-open rings 101, the elastic outer teeth 504 of the elastic arms 501 are separated from the inner teeth 201 of the housing 2, the user continues to drive the fluted disc 5;
after the knob 1 is loosened, under the action of the spiral spring 6, the spiral spring 6 returns and drives the fluted disc 5, the knob 1 and the output shaft 103 to return, and the driven protrusion 502 moves from the middle of the half-open ring 101 to the joint of the two half-open rings 101 (since the elastic arm 501 is hinged to the peripheral direction of the fluted disc 5, the free end of the elastic arm 501 has a tendency of opening outwards, so that the elastic external teeth 504 of the elastic arm 501 are meshed with the internal teeth 201 of the housing 2).
Example 2
As shown in figures 8-11: the utility model provides a contain embodiment 1 and adjust wearing equipment of structure, still includes external gear 9 and side area 4, and shell 2 includes last casing and lower casing 3 of mutual lock, goes up and leaves the side opening that supplies the free end of side area 4 to wear out between casing 3 down and the casing 3. The side belt 4 is divided into a left side belt and a right side belt, and side belt teeth 401 that mesh with the external gear 9 are integrally connected to the side belt 4.
The output shaft 103 is fixedly connected with the knob 1 and the external gear 9 by bolts, respectively.
From embodiment 1, after the knob 1 is loosened, under the action of the spiral spring 6, the spiral spring 6 is restored and drives the fluted disc 5, the knob 1 and the output shaft 103 to restore, but when the spiral spring 6 begins to deform, the external elastic teeth 504 of the elastic arms 501 and the internal teeth 201 of the housing 2 are separated, so that the service life of the elastic arms 501 is prevented from being long, the elasticity of the elastic arms 501 is reduced, the driven protrusions 502 can be ensured to accurately restore to the joints of the two half open rings 101, and the knob 1 is further ensured to be restored to the position, and the present embodiment further comprises three sets of auxiliary springs 7. An auxiliary receiving frame 503 for receiving the auxiliary spring 7 is integrally connected to the toothed plate 5.
The auxiliary spring 7 corresponds to the position of the auxiliary reset block 102, when the knob 1 rotates, the auxiliary spring 7 is compressed under the action of the auxiliary reset block 102, and the overlooking of the auxiliary reset block 102 is in a T-like shape.
The specific implementation mode is as follows:
the process is as follows: the user rotates knob 1, driven protruding 502 moves half ring 101 middle part from the junction of two half ring 101, the elasticity external tooth 504 of elastic arm 501 and the internal tooth 201 of shell 2 separate gradually, when driven protruding 502 is in half ring 101 middle part, the elasticity external tooth 504 of elastic arm 501 and the internal tooth 201 of shell 2 separate, knob 1 drives fluted disc 5 and begins to rotate, knob 1 can be through output shaft 103, external gear 9 drives side band 4 and tightens up or loosen, convenience of customers dresses or takes off equipment. In order to prevent the side belt 4 from giving too much pressure to the user, the present embodiment preferably provides that: the volute spring 6 is at its natural length when the user is wearing the device. The side belt 4 is in a locked state without being subjected to an external force.
The process is two: in the process I, the user wears the equipment, the side belt 4 is pulled out relative to the equipment, on the basis of the process I, when the side belt is taken down, the user can continuously pull the side belt 4 outwards, since the side belt teeth 401 on the side belt 4 are engaged with the external gear 9, the external gear 9 drives the output shaft 103 to rotate, the output shaft 103 drives the knob 1 to rotate (the rotation direction is the same as the rotation direction during wearing), the driven protrusion 502 moves from the joint of the two half-open rings 101 to the middle of the half-open ring 101, the elastic external teeth 504 of the elastic arms 501 and the internal teeth 201 of the shell 2 are gradually separated, when the driven protrusion 502 is located in the middle of the semi-open ring 101, the elastic outer teeth 504 of the elastic arm 501 are separated from the inner teeth 201 of the housing 2, the fluted disc 5 starts to rotate, the volute spring 6 starts to deform on the basis of the process, and the side belt 4 can stretch out by 2-4cm along with the gradual deformation of the volute spring 6, so that a user can conveniently wear or take off the device.
When the device is removed and no further external force is applied to the side belt 4, the volute spring 6 springs back and the side belt 4 retracts. Since the free ends of the elastic arms 501 have a tendency to open outwards and the driven protrusions 502 move from the middle of the half-open ring 101 to the junction of the two half-open rings 101 under the action of the three auxiliary springs 7, the external elastic teeth 504 of the elastic arms 501 mesh with the internal teeth 201 of the housing 2.
Compared with the wearing equipment of the elastic bandage type in the prior art, the wearing equipment provided by the embodiment has long service life, and can not excessively press the body of a user after being worn for a long time, so that the experience feeling is good.
When wearing and taking off, all need compare through the prior art who switches the accuse key, the sideband 4 of this embodiment is adjusted portably, outwards pulls sideband 4 just can high-efficiently dress and take off this equipment, accords with the use habit more, has effectively improved the dress and the efficiency of taking off of various wearing equipment (like safety helmet, VR glasses, intelligent bracelet etc.), and user experience feels good.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. An adjusting structure is characterized by comprising a knob (1), a fluted disc (5), a fixed seat (8), an output shaft (103) and a shell (2); the output shaft (103) is fixedly connected with the knob (1);
the shell (2) is provided with internal teeth (201); the knob (1) is buckled on the fluted disc (5), an elastic arm (501) is hinged to the periphery of the fluted disc (5), a driven bulge (502) is fixedly connected to the inner side of the elastic arm (501), and an elastic outer tooth (504) capable of being meshed with the inner tooth (201) is fixedly connected to the outer free end of the elastic arm (501); the driving guide rings are symmetrically arranged along the radial direction of the knob (1) and consist of two half open rings (101), the middle parts of the half open rings (101) extend towards the center of the knob (1), one end of the driven bulge (502) is inserted into the driving guide rings, and the knob (1) rotates through a driving guide ring driving fluted disc (5);
the gear disc is characterized by further comprising a volute spring (6), one end of the volute spring (6) is fixedly connected with the gear disc (5), and the other end of the volute spring (6) is fixedly connected with the fixed seat (8); the fixed seat (8) is fixedly connected on the shell (2).
2. The adjusting mechanism of claim 1, characterized in that one end of the spiral spring (6) is provided with a return portion, a positioning block (505) is fixedly connected to the fluted disc (5), and the return portion is hung on the positioning block (505).
3. An adjustment arrangement according to claim 1 or 2, characterized in that the toothed disc (5) is provided with a central opening into which one end of the holder (8) is inserted and with a socket into which the end of the volute spring (6) is inserted.
4. Adjustment arrangement according to claim 1 or 2, characterized in that at least two active guiding rings are arranged on the knob (1).
5. Adjustment arrangement according to claim 3, characterized in that at least two active guiding rings are arranged on the knob (1).
6. A wearable device, characterized by comprising the adjustment structure of any one of claims 1 to 5; the belt conveyor further comprises an external gear (9) and two side belts (4) meshed with the external gear (9); the output shaft (103) is fixedly connected with the external gear (9).
7. A wearing apparatus in accordance with claim 8, wherein the housing (2) comprises an upper shell and a lower shell (3), and a side opening for the free end of the side strap (4) to pass through is left between the upper shell and the lower shell (3).
8. Wearing device according to claim 6 or 7, wherein the volute spring (6) is at its natural length when worn by the user; the fluted disc (5) is also provided with an auxiliary spring (7) for assisting the driven bulge (502) to return to the joint of the two semi-open rings (101); an auxiliary reset block (102) corresponding to the auxiliary spring (7) is fixedly connected to the knob (1).
Priority Applications (1)
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CN202011594521.6A CN112728377B (en) | 2020-12-29 | 2020-12-29 | Adjusting structure and wearable device |
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CN202011594521.6A CN112728377B (en) | 2020-12-29 | 2020-12-29 | Adjusting structure and wearable device |
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CN112728377A true CN112728377A (en) | 2021-04-30 |
CN112728377B CN112728377B (en) | 2022-12-06 |
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CN110557485A (en) * | 2019-09-19 | 2019-12-10 | 重庆蓝岸通讯技术有限公司 | Rotating shaft and flip equipment using same |
CN210136363U (en) * | 2019-06-25 | 2020-03-10 | 潍坊歌尔电子有限公司 | Adjusting and locking mechanism and head-mounted display device |
TWI699558B (en) * | 2019-07-29 | 2020-07-21 | 和碩聯合科技股份有限公司 | Headband device |
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CN1406788A (en) * | 2001-07-19 | 2003-04-02 | 爱信精机株式会社 | Back device of seat |
US20030173810A1 (en) * | 2002-03-14 | 2003-09-18 | Lee Won Young | Seat reclining device for vehicle |
CN102438857A (en) * | 2009-05-20 | 2012-05-02 | 布罗泽汽车部件制造科堡有限公司 | Detent fitting comprising a spacer ring |
US20160186926A1 (en) * | 2014-12-31 | 2016-06-30 | Hand Held Products, Inc. | Reclosable strap assembly |
US20170308115A1 (en) * | 2016-04-26 | 2017-10-26 | Westunitis Co., Ltd. | Neckband type computer |
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CN209028322U (en) * | 2018-11-15 | 2019-06-25 | 潍坊歌尔电子有限公司 | Headband regulating mechanism and wear display equipment |
CN210136363U (en) * | 2019-06-25 | 2020-03-10 | 潍坊歌尔电子有限公司 | Adjusting and locking mechanism and head-mounted display device |
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CN110557485A (en) * | 2019-09-19 | 2019-12-10 | 重庆蓝岸通讯技术有限公司 | Rotating shaft and flip equipment using same |
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