CN211860502U - Marble formula telescoping device and head-mounted apparatus - Google Patents
Marble formula telescoping device and head-mounted apparatus Download PDFInfo
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- CN211860502U CN211860502U CN202020716149.0U CN202020716149U CN211860502U CN 211860502 U CN211860502 U CN 211860502U CN 202020716149 U CN202020716149 U CN 202020716149U CN 211860502 U CN211860502 U CN 211860502U
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- cavity
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- side wall
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- 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
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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Abstract
The utility model belongs to the technical field of the telescoping device, especially, relate to a marble formula telescoping device and head-mounted apparatus, this marble formula telescoping device include a casing, a slider and a marble mechanism. A cavity is formed in the shell and is provided with an insertion opening; the sliding piece is provided with an insertion end and a telescopic end, the insertion end is inserted into the cavity through the insertion port and is movably limited in the cavity, and the telescopic end can extend out of the insertion port in a telescopic manner; the marble mechanism comprises at least one marble and at least two clamping grooves; at least one marble is arranged on the side wall of the cavity, and at least two clamping grooves are arranged on the side wall of the sliding part; or at least one marble is arranged on the side wall of the sliding part and at least two clamping grooves are arranged on the side wall of the cavity; the sliding piece slides in the cavity, and the marble slides out of one clamping groove and is embedded into the other clamping groove, so that the sliding piece is fixed in the cavity. The marble type telescopic device has the characteristics of compact structure and small volume; the structure of marble mechanism is more stable, and is more durable, and life is longer.
Description
Technical Field
The utility model belongs to the technical field of the telescoping device, especially, relate to a marble formula telescoping device and head-mounted apparatus.
Background
A head-mounted device is a device worn on the head, such as a headphone, a hearing aid, and the like. The headphone comprises a head band and speaker modules arranged at two ends of the head band, wherein the connection positions of the head band and the speaker modules are generally provided with telescopic adjusting devices for the speaker modules to be more fitted with ears, and the telescopic adjusting devices are telescopic to adjust the positions of the speaker modules, so that a user can use the headphone more comfortably.
Chinese patent CN201821455405.4 discloses a headphone's extending structure, including lid and flexible subassembly, the lid includes lid and lower lid, the lid is equipped with the sliding tray down, flexible subassembly slidable mounting is in the sliding tray, the tank bottom interval of sliding tray is provided with the lug, forms between two adjacent lugs to hold the position, flexible subassembly includes bandeau, extensible member and shell fragment, bandeau fixed mounting is in the top of extensible member, the shell fragment includes convex part, buffer part and hook portion, be equipped with logical groove and installation piece on the extensible member, the convex part stretches out in logical groove, and the convex part is held and is held in holding the position, hook portion pothook is in the installation piece, the upper surface of buffer part and the lower surface butt of bandeau, the extensible member is equipped with spacing pothook. The disadvantages of the telescopic structure are: 1. the elastic sheet is influenced by the pressure acted on the elastic sheet by the head band and the resistance in the sliding direction when sliding, and the surface of the elastic sheet is also worn by friction and easy to deform to cause the failure of the telescopic structure; 2. the smaller the size of the elastic sheet is, the more easily the elastic sheet is deformed by force, so the telescopic structure is limited by the elastic sheet, and the volume is larger.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a marble formula telescoping device and head-mounted apparatus aims at solving the technical problem that the extending structure among the prior art easily became invalid.
In order to achieve the above object, the utility model provides a pair of marble type telescoping device, include:
the device comprises a shell, a first fixing piece and a second fixing piece, wherein a cavity is formed in the shell and provided with an insertion opening;
this marble formula telescoping device still includes:
a sliding member, the sliding member is provided with an inserting end and a telescopic end, the inserting end is inserted into the cavity through the inserting port and is movably limited in the cavity, and the telescopic end can be extended out from the inserting port in a telescopic way; and
the marble mechanism comprises at least one marble and at least two clamping grooves;
the at least one marble is arranged on the side wall of the cavity, and the at least two clamping grooves are arranged on the side wall of the sliding part;
or, at least one marble is arranged on the side wall of the sliding part, and at least two clamping grooves are arranged on the side wall of the cavity;
the sliding piece slides in the cavity, the marble slides out of one clamping groove and is embedded into the other clamping groove, and therefore the sliding piece is fixed in the cavity.
Optionally, the marble mechanism comprises a plurality of said marbles and a plurality of said slots; a plurality of said marbles are equidistantly arranged on a side wall of said cavity; the clamping grooves are equidistantly arranged on the side wall of the sliding part; or, it is a plurality of the marble equidistance is located on the lateral wall of slider, it is a plurality of the draw-in groove equidistance is located on a lateral wall of cavity.
Optionally, the marble mechanism comprises one marble and a plurality of clamping grooves;
the marble is arranged on one side wall of the cavity and is adjacent to the insertion opening, and the clamping grooves are linearly arranged on the side wall of the sliding piece;
or, one marble is arranged on the side wall of the sliding part and is adjacent to the insertion end, and the plurality of clamping grooves are arranged on one side wall of the cavity along a straight line.
Optionally, the marble mechanism comprises an even number of said marbles and a plurality of said slots;
the even number of marbles are respectively arranged on two side walls of the cavity and are adjacent to the insertion hole, and the plurality of clamping grooves are respectively arranged on two side walls of the sliding piece in two rows;
or even numbers of the marbles are respectively arranged on two side walls of the sliding part and are adjacent to the insertion end, and the plurality of the clamping grooves are respectively arranged on two side walls of the cavity in two rows.
Optionally, a first limiting portion and a second limiting portion are arranged on the sliding member, the first limiting portion is adjacent to the insertion end, the second limiting portion is adjacent to the telescopic end, a third limiting portion is arranged on the side wall of the cavity, the third limiting portion is adjacent to the insertion port, and the sliding member is movably limited in the cavity by the cooperation of the first limiting portion or the second limiting portion and the third limiting portion;
or a fourth limiting part is arranged on the sliding part and is adjacent to the insertion end; a fifth limiting part and a sixth limiting part are arranged on the side wall of the cavity; the sliding part is movably limited in the cavity through the matching of the fourth limiting part or the fifth limiting part and the sixth limiting part respectively.
Optionally, the marble comprises an elastic member and a ball body; the ball body is arranged at the other end of the elastic piece and protrudes outwards from the orifice of the mounting hole.
Optionally, the ball-type telescopic device further comprises an electric wire; the electric wire is arranged in the sliding part in a penetrating mode through a first through hole or integrally formed in the sliding part.
Optionally, the ball-type telescopic device further comprises a rigid bar; the rigid strip is arranged in the sliding part in a penetrating way through a second through hole or is integrally formed in the sliding part.
Optionally, a wire chamber is formed between the insertion end and the rear wall of the cavity, a wire hole communicated with the wire chamber is further formed in the wall surface of the cavity, the tail portion of the wire is accommodated in the wire chamber, and the tail end of the wire is led out from the wire hole.
The utility model also provides a head-wearing device, which comprises a head band, wherein the head band is provided with two mounting ends; the head-wearing equipment further comprises the marble type telescopic devices, and the two marble type telescopic devices are respectively arranged on the two mounting ends.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in marble formula telescoping device and the head-mounted apparatus have one of following technological effect at least:
1. when the marble type telescopic device is used, the sliding piece is pulled and pulled, the sliding piece slides relative to the shell, and the telescopic end can stretch out from the insertion hole in a telescopic manner, so that telescopic adjustment is realized; the sliding piece slides in the cavity, and the marble slides out of one clamping groove and is embedded into the other clamping groove, so that the sliding piece is fixed in the cavity; the marble mechanism plays a role in fixing the sliding part; the marble type telescopic device has the characteristics of compact structure and small volume; the structure of the marble mechanism is more stable and durable, and the service life is longer;
2. the head-wearing equipment with the marble type telescopic device has the characteristics of small volume, firmness and durability correspondingly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of a marble type telescopic device provided in embodiment 1 of the present invention.
Fig. 2 is another schematic structural diagram of a marble type telescopic device provided in embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of the head-mounted device provided in embodiment 2 of the present invention.
Fig. 4 is a schematic structural view of a marble type telescopic device provided in embodiment 3 of the present invention.
Fig. 5 is another schematic structural diagram of a marble type telescopic device according to embodiment 3 of the present invention.
Fig. 6 is a schematic structural view of a marble type telescopic device provided in embodiment 4 of the present invention.
Fig. 7 is a schematic structural view of a marble type telescopic device according to embodiment 5 of the present invention.
Fig. 8 is another schematic structural diagram of a marble type telescopic device according to embodiment 5 of the present invention.
Fig. 9 is a schematic structural view of a marble type telescopic device according to embodiment 6 of the present invention.
Fig. 10 is a schematic structural view of a marble type telescopic device according to embodiment 7 of the present invention.
Fig. 11 is a schematic structural view of a marble type telescopic device according to embodiment 8 of the present invention.
Fig. 12 is a schematic structural view of a marble type telescopic device according to embodiment 9 of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
Example 1
As shown in fig. 1-2, the present embodiment provides a marble type telescopic device 100, which includes a housing 110, a sliding member 120, and a marble mechanism 130. A cavity 111 is formed in the housing 110, and the cavity 111 has an insertion opening 1111. The slider 120 has an insertion end 121 inserted into the cavity 111 through the insertion port 1111 and movably defined within the cavity 111, and a telescopic end 122 telescopically extended from the insertion port 1111. The ball mechanism 130 includes at least one ball 131 and at least two slots 132. At least one of the balls 131 is disposed on a sidewall of the cavity 111 and at least two of the slots 132 are disposed on a sidewall of the slider 120. The slider 120 slides in the cavity 111, and the ball 131 slides out of one of the slots 132 and fits into the other slot 132, so that the slider 120 is fixed in the cavity 111.
When the ball-type telescopic device 100 is used, the sliding member 120 is pulled, the sliding member 120 slides relative to the housing 110, and the telescopic end 122 can be telescopically extended from the insertion opening 1111, so that telescopic adjustment is realized. The slider 120 slides in the cavity 111, and the ball 131 slides out of one of the slots 132 and fits into the other slot 132, so that the slider 120 is fixed in the cavity 111. The ball mechanism 130 functions to fix the slider 120. The marble type telescopic device 100 has the characteristics of compact structure and small volume. And the structure of the marble mechanism 130 is more stable, more durable and longer in service life.
The marble mechanism 130 includes a plurality of marbles 131 and a plurality of slots 132. A plurality of said balls 131 are equidistantly arranged on a side wall of said cavity 111. Specifically, a plurality of the balls 131 are linearly distributed along the sliding direction of the slider 120. A plurality of the locking slots 132 are equidistantly formed on the side wall of the slider 120. Specifically, a plurality of the card slots 132 are linearly distributed along the sliding direction of the slider 120. The damping feeling and the drawing feeling of the slider 120 when sliding can be improved by the plurality of balls 131.
The sliding member 120 is provided with a first position-limiting portion 123 and a second position-limiting portion 124, and specifically, the first position-limiting portion 123 and the second position-limiting portion 124 are two side walls of a position-limiting groove 125 respectively. The first limiting portion 123 is adjacent to the insertion end 121, the second limiting portion 124 is adjacent to the telescopic end 122, and a third limiting portion 1112 is arranged on a side wall of the cavity 111. Specifically, the third position-limiting portion 1112 is a protrusion inserted into the position-limiting groove 125. The third position-limiting portion 1112 is adjacent to the insertion opening 1111, and the slider 120 is movably limited in the cavity 111 by the cooperation of the first position-limiting portion 123 or the second position-limiting portion 124 with the third position-limiting portion 1112. When the slider 120 is drawn out to the maximum stroke, the third position-limiting portion 1112 blocks the first position-limiting portion 123, and the slider 120 is limited. When the slider 120 is inserted to the maximum stroke, the third position-limiting portion 1112 blocks the second position-limiting portion 124, and the slider 120 is limited. The protrusion and the limiting groove 125 cooperate to prevent the sliding member 120 from shaking.
The marble 131 comprises an elastic member 1311 and a ball 1312, and the elastic member 1311 is a spring. In a preferred embodiment of the present invention, the elastic member 1311 may also be a spring plate, an elastic thimble, or the like. The side wall of the cavity 111 is provided with a first mounting hole 1113, one end of the elastic member 1311 is fixedly arranged in the first mounting hole 1113, and the bead 1312 is arranged at the other end of the elastic member 1311 and protrudes outwards from the hole opening of the first mounting hole 1113. The elastic member 1311 pushes the beads 1312 upward. When the ball 1312 is located below the slot 132, the ball 1312 protrudes outward and is inserted into the slot 132. When the sliding member 120 slides, the ball 1312 slides out of the slot 132 and is pressed into the first mounting hole 1113, and when the ball 1312 slides to a position below the other slot 132, the elastic member 1311 pushes up the ball 1312, and the ball 1312 is inserted into the slot 132. The elastic member 1311 is only subjected to a downward force, and thus, the elastic member 1311 is not easily deformed or failed.
The ball-type telescopic device 100 further comprises an electric wire 140. The electric wire 140 is inserted into the sliding member 120 through a first through hole 126, and has a hidden lead feature, so as to be beautiful and safe.
The ball-and-socket device 100 further includes a rigid bar 150. The rigid strip 150 is inserted into the sliding member 120 through a second through hole 127.
A wire chamber 1114 is formed between the insertion end 121 and the rear wall of the cavity 111, and the wire chamber 1114 plays a role of accommodating wires. The wall surface of the cavity 111 is further provided with a lead hole 1115 communicated with the wire chamber 1114. The wires 140 are received at their tail ends in the wire housings 1114, and their tail ends are led out through the wire holes 1115. The tail of the electric wire 140 is a spring wire, which has the characteristic of being retractable, and the spring wire meets the requirement that the wire needs to be retracted when the sliding member 120 slides.
Example 2
As shown in fig. 3, the present embodiment provides a head-mounted device, which includes a head band 200, wherein the head band 200 has two mounting ends 210. The head-mounted device further includes the ball type telescopic device 100 of embodiment 1, and the two ball type telescopic devices 100 are respectively disposed on the two mounting ends 210. The head-mounted device with the marble type telescopic device 100 has the characteristics of small volume, firmness and durability.
The rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
Example 3
As shown in fig. 4 and 5, the present embodiment is different from embodiment 1 in that: the ball mechanism 130 includes a ball 131 and a plurality of slots 132. One of the balls 131 is disposed on a sidewall of the cavity 111 and adjacent to the insertion opening 1111, and a plurality of the locking grooves 132 are linearly disposed on a sidewall of the slider 120. One marble 131 has the advantages of convenience in installation and cost saving.
In this embodiment, the marble 131 is a positioning ball. The positioning ball is also called ball plunger or spring plunger. Is a component consisting of a shell, a spring, a ball or a cylinder.
The electric wire 140 is integrally formed in the slider 120. The rigid strip 150 is integrally formed within the slider 120.
The rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
Example 4
As shown in fig. 6, the present embodiment is different from embodiment 3 in that: one of the balls 131 is disposed on a sidewall of the slider 120 adjacent to the insertion end 121, and a plurality of the catching grooves 132 are linearly disposed on a sidewall of the cavity 111. The side wall of the sliding member 120 is provided with a second mounting hole 128, one end of the elastic member 1311 is fixedly arranged in the second mounting hole 128, and the bead 1312 is arranged at the other end of the elastic member 1311 and protrudes outwards from the opening of the second mounting hole 128.
The rest of this embodiment is the same as embodiment 3, and the features that are not explained in this embodiment are explained by embodiment 3, which is not described again here.
Example 5
As shown in fig. 7 and 8, the present embodiment is different from embodiment 1 in that: the ball mechanism 130 includes an even number of balls 131, 131 ' and a plurality of slots 132, 132 ', and in this embodiment, the number of the balls 131, 131 ' is two. In some embodiments of the invention, the number of said marbles may be 4, 6, 8, etc. The two marbles 131 and 131 'are respectively disposed on two side walls of the cavity 111 and adjacent to the insertion opening 1111, and the plurality of slots 132 and 132' are respectively disposed on two side walls of the slider 120 in two rows. The two balls 131, 131 'reduce the failure rate of the ball mechanism 130, and even if one ball 131 fails, the other ball 131' can continue to operate.
The rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
Example 6
As shown in fig. 9, the present embodiment is different from embodiment 5 in that: an even number of the balls 131 and 131 'are respectively disposed on two side walls of the sliding member 120 and adjacent to the insertion end 121, and a plurality of the slots 132 and 132' are respectively disposed on two side walls of the cavity 111 in two rows.
The rest of this embodiment is the same as embodiment 5, and the features not explained in this embodiment are explained by embodiment 5, which is not described again here.
Example 7
As shown in fig. 10, the present embodiment is different from embodiment 1 in that: a plurality of said balls 131 are equidistantly disposed on the side wall of said sliding member 120, and a plurality of said slots 132 are equidistantly disposed on a side wall of said cavity 111.
The rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
Example 8
As shown in fig. 11, the present embodiment is different from embodiment 1 in that: the sliding member 120 is provided with a fourth position-limiting portion 129, the fourth position-limiting portion 129 is adjacent to the insertion end 121, and specifically, the fourth position-limiting portion 129 is a protrusion. A fifth limiting portion 1116 and a sixth limiting portion 1117 are disposed on the side wall of the cavity 111, and specifically, the fifth limiting portion 1116 and the sixth limiting portion 1117 are two side walls of a groove respectively. The sliding member 120 is movably limited in the cavity 111 by the fourth position-limiting portion 129 cooperating with the fifth position-limiting portion 1116 or the sixth position-limiting portion 1117, respectively.
The rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
Example 9
As shown in fig. 12, the present embodiment is different from embodiment 1 in that: the first position-limiting portion 123, the second position-limiting portion 124 and the third position-limiting portion 1112 are all a protrusion. The second position-limiting portion 124 is positioned outside the third position-limiting portion 1112.
The rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Marble formula telescoping device includes:
the device comprises a shell, a first fixing piece and a second fixing piece, wherein a cavity is formed in the shell and provided with an insertion opening;
it is characterized by also comprising:
a sliding member, the sliding member is provided with an inserting end and a telescopic end, the inserting end is inserted into the cavity through the inserting port and is movably limited in the cavity, and the telescopic end can be extended out from the inserting port in a telescopic way; and
the marble mechanism comprises at least one marble and at least two clamping grooves;
the at least one marble is arranged on the side wall of the cavity, and the at least two clamping grooves are arranged on the side wall of the sliding part;
or, at least one marble is arranged on the side wall of the sliding part, and at least two clamping grooves are arranged on the side wall of the cavity;
the sliding piece slides in the cavity, the marble slides out of one clamping groove and is embedded into the other clamping groove, and therefore the sliding piece is fixed in the cavity.
2. The hoodle telescoping device of claim 1, wherein the hoodle mechanism includes a plurality of the hoodle and a plurality of the slot; the plurality of marbles are arranged on one side wall of the cavity at equal intervals, and the plurality of clamping grooves are arranged on the side wall of the sliding piece at equal intervals; or, it is a plurality of the marble equidistance is located on the lateral wall of slider, it is a plurality of the draw-in groove equidistance is located on a lateral wall of cavity.
3. The hoodle telescoping device of claim 1, wherein said hoodle mechanism includes one said hoodle and a plurality of said slots;
the marble is arranged on one side wall of the cavity and is adjacent to the insertion opening, and the clamping grooves are linearly arranged on the side wall of the sliding piece;
or, one marble is arranged on the side wall of the sliding part and is adjacent to the insertion end, and the plurality of clamping grooves are arranged on one side wall of the cavity along a straight line.
4. The hoodle type telescopic device according to claim 1, wherein said hoodle mechanism includes an even number of said hoobles and a plurality of said slots;
the even number of marbles are respectively arranged on two side walls of the cavity and are adjacent to the insertion hole, and the plurality of clamping grooves are respectively arranged on two side walls of the sliding piece in two rows;
or, the even number of marbles are respectively arranged on the two side walls of the sliding part and are adjacent to the insertion end, and the plurality of clamping grooves are respectively arranged on the two side walls of the cavity in two rows.
5. The marble-type telescopic device according to any one of claims 1 to 4, wherein the sliding member is provided with a first limiting portion and a second limiting portion, the first limiting portion is adjacent to the insertion end, the second limiting portion is adjacent to the telescopic end, a third limiting portion is provided on a side wall of the cavity, the third limiting portion is adjacent to the insertion port, and the sliding member is movably limited in the cavity by the cooperation of the first limiting portion or the second limiting portion with the third limiting portion;
or a fourth limiting part is arranged on the sliding part and is adjacent to the insertion end; a fifth limiting part and a sixth limiting part are arranged on the side wall of the cavity; the sliding part is movably limited in the cavity through the matching of the fourth limiting part or the fifth limiting part and the sixth limiting part respectively.
6. The hoodle type telescopic device according to any one of claims 1 to 4, wherein the hoodle comprises an elastic member and a bead body; the ball body is arranged at the other end of the elastic piece and protrudes outwards from the orifice of the mounting hole.
7. The device as claimed in any one of claims 1 to 4, further comprising a wire; the electric wire is arranged in the sliding part in a penetrating mode through a first through hole or integrally formed in the sliding part.
8. The device as claimed in any one of claims 1 to 4, further comprising a rigid bar; the rigid strip is arranged in the sliding part in a penetrating way through a second through hole or is integrally formed in the sliding part.
9. The marble type telescopic device according to any one of claims 1 to 4, wherein a wire chamber is formed between the insertion end and the rear wall of the cavity, and a lead hole communicated with the wire chamber is further formed on the wall surface of the cavity; the tail part of the wire is accommodated in the wire chamber, and the tail end of the wire is led out from the lead hole.
10. The head-mounted equipment comprises a head band, wherein the head band is provided with two mounting ends; the ball type telescopic device is characterized by further comprising two ball type telescopic devices according to any one of claims 1 to 9, wherein the two ball type telescopic devices are respectively arranged on the two mounting ends.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020716149.0U CN211860502U (en) | 2020-04-30 | 2020-04-30 | Marble formula telescoping device and head-mounted apparatus |
| PCT/CN2021/088581 WO2021218726A1 (en) | 2020-04-30 | 2021-04-21 | Snap-type extendable device and head-mounted device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020716149.0U CN211860502U (en) | 2020-04-30 | 2020-04-30 | Marble formula telescoping device and head-mounted apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211860502U true CN211860502U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020716149.0U Active CN211860502U (en) | 2020-04-30 | 2020-04-30 | Marble formula telescoping device and head-mounted apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211860502U (en) |
| WO (1) | WO2021218726A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021218720A1 (en) * | 2020-04-30 | 2021-11-04 | 朱达云 | Embedded telescopic apparatus and head-mounted device |
| WO2021218726A1 (en) * | 2020-04-30 | 2021-11-04 | 朱达云 | Snap-type extendable device and head-mounted device |
| WO2022192913A1 (en) * | 2021-03-12 | 2022-09-15 | Magic Leap, Inc. | Eyewear device with improved stability |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011123459A1 (en) * | 2010-03-29 | 2011-10-06 | My Innoventure, LLC | Cases and covers for electronic handheld devices |
| CN206472272U (en) * | 2017-01-19 | 2017-09-05 | 李群如 | A kind of earphone for having novel telescopic structure |
| CN211860502U (en) * | 2020-04-30 | 2020-11-03 | 深圳市创想听力技术有限公司 | Marble formula telescoping device and head-mounted apparatus |
-
2020
- 2020-04-30 CN CN202020716149.0U patent/CN211860502U/en active Active
-
2021
- 2021-04-21 WO PCT/CN2021/088581 patent/WO2021218726A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021218720A1 (en) * | 2020-04-30 | 2021-11-04 | 朱达云 | Embedded telescopic apparatus and head-mounted device |
| WO2021218726A1 (en) * | 2020-04-30 | 2021-11-04 | 朱达云 | Snap-type extendable device and head-mounted device |
| WO2022192913A1 (en) * | 2021-03-12 | 2022-09-15 | Magic Leap, Inc. | Eyewear device with improved stability |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021218726A1 (en) | 2021-11-04 |
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