CN113885202B - Lens cone spacing adjusting mechanism and head-mounted product - Google Patents
Lens cone spacing adjusting mechanism and head-mounted product Download PDFInfo
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- CN113885202B CN113885202B CN202111158452.9A CN202111158452A CN113885202B CN 113885202 B CN113885202 B CN 113885202B CN 202111158452 A CN202111158452 A CN 202111158452A CN 113885202 B CN113885202 B CN 113885202B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 238000013016 damping Methods 0.000 claims abstract description 17
- 230000006872 improvement Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention belongs to the technical field of head-mounted products, and particularly relates to a lens barrel spacing adjusting mechanism and a head-mounted product; the lens barrel spacing adjusting mechanism comprises a supporting structure, a first lens barrel and a second lens barrel which are respectively and slidably arranged on the supporting structure, an elastic telescopic structure for driving the first lens barrel and the second lens barrel to slide in opposite directions or away from each other, an adjusting wheel and a damping structure arranged between the side part of the adjusting wheel and the supporting structure, wherein a first traction wire is arranged between the adjusting wheel and the first lens barrel, a second traction wire is arranged between the first lens barrel and the second lens barrel, and a steering wheel for steering the second traction wire is arranged on the supporting structure corresponding to the second lens barrel; the head-wearing product comprises a product shell and a lens barrel spacing adjusting mechanism, and the supporting structure is the product shell or the lens barrel spacing adjusting mechanism is fixed in a cavity surrounded by the product shell. Stepless adjustment can be realized, the problem of inaccurate adjustment of the existing interval adjusting mechanism is solved, and adjustment of any position can be realized.
Description
Technical Field
The invention belongs to the technical field of head-mounted products, and particularly relates to a lens barrel spacing adjusting mechanism and a head-mounted product.
Background
With the development of technology and the improvement of living standard, the wear products are increasingly appeared in daily life, such as AR wear products and VR wear products. In general, the distance between the two lens barrels of the head-mounted product can be adjusted to adapt to the interpupillary distances of different users.
At present, the distance between two lens barrels of the head-mounted product is adjusted through a worm gear mechanism and a rack and pinion mechanism, the adjustment of the distance is limited by the tooth pitch of the worm gear mechanism and the rack and pinion mechanism, the adjustment of a fixed gear can be realized, the adjustment is inaccurate, the occupied space of the existing adjusting structure is larger, and the appearance of the head-mounted product is generally larger.
Disclosure of Invention
The invention aims to provide a lens barrel spacing adjusting mechanism and a head-mounted product, and aims to solve the problem that the existing spacing adjusting mechanism is inaccurate in adjustment and can realize adjustment of any position.
The invention discloses a lens barrel spacing adjusting mechanism, which comprises a supporting structure, a first lens barrel, a second lens barrel, an elastic telescopic structure, an adjusting wheel and a damping structure, wherein the first lens barrel and the second lens barrel are respectively and slidably arranged on the supporting structure, the elastic telescopic structure is used for driving the first lens barrel and the second lens barrel to slide in opposite/far directions, the adjusting wheel is rotatably arranged on the supporting structure, the damping structure is arranged between the side part of the adjusting wheel and the supporting structure and is used for preventing the adjusting wheel from rotating, a first traction wire is arranged between the adjusting wheel and the first lens barrel and is used for pulling the first lens barrel to slide along the reverse direction of the elastic force of the elastic telescopic structure acting on the first lens barrel, a second traction wire is arranged between the first lens barrel and the second lens barrel, a steering wheel is arranged on the supporting structure corresponding to the second lens barrel, and the second traction wire is used for pulling the second lens barrel to slide along the reverse direction of the elastic force of the elastic telescopic structure acting on the second lens barrel after being wound on the steering wheel.
As an improvement, the elastic telescopic structure comprises a first elastic piece and a second elastic piece which are arranged at intervals along the sliding direction, wherein a first sliding block and a second sliding block which are fixedly connected with the first lens cone and the second lens cone are respectively arranged at the proximal ends of the first elastic piece and the second elastic piece, and a first limiting piece and a second limiting piece are respectively arranged at the distal ends of the first elastic piece and the second elastic piece; a guide wheel is arranged at the far end of the first elastic piece, and the first traction wire is fixedly connected with the first sliding block after bypassing the guide wheel; the second traction wire is connected between the first slider and the second slider, and the steering wheel is arranged at one side of the second slider away from the first slider.
As an improvement, the support structure is provided with a first groove body and a second groove body which extend along the sliding direction, the first elastic piece and the first sliding block are arranged in the first groove body, the second sliding block and the second elastic piece are arranged in the second groove body, and the side walls of the distal ends of the first groove body and the second groove body are respectively the first limiting piece and the second limiting piece.
As an improvement, the support structure is provided with two first groove bodies which are arranged at intervals along the sliding direction at the position corresponding to the first lens barrel, and two second groove bodies which are arranged at intervals along the sliding direction at the position corresponding to the second lens barrel; the first elastic piece and the first sliding block are arranged in one first groove body close to one side of the second lens cone, and a first auxiliary sliding block fixedly connected with the first lens cone is arranged in the other first groove body; the second sliding block and the second elastic piece are arranged in one second groove body close to one side of the first lens cone, and a second auxiliary sliding block fixedly connected with the second lens cone is arranged in the other second groove body.
As an improvement, a guide shaft penetrating through the two first groove bodies and the two second groove bodies is fixed on the supporting structure, and the first auxiliary sliding block, the first elastic piece, the first sliding block, the second elastic piece and the second auxiliary sliding block are respectively sleeved on the guide shaft.
As an improvement, an intermediate wheel is arranged between the first lens barrel and the second lens barrel, the second traction wire is fixedly connected with the first sliding block after being wound on the intermediate wheel, and a second traction wire part positioned between the intermediate wheel and the first sliding block is consistent with the sliding direction of the first sliding block.
As an improvement, a mounting plate is fixed on the supporting structure, and the guide wheel, the middle wheel and the steering wheel are respectively mounted on the mounting plate.
As an improvement, a take-up pulley coaxially arranged with the adjusting pulley is arranged on one side of the adjusting pulley far away from the damping structure, and the end part of the first traction wire is fixed in the take-up pulley.
As an improvement, the damping structure is a disc spring in a compressed state.
The invention also discloses a head-wearing product, which comprises a product shell and the lens barrel spacing adjusting mechanism, wherein the supporting structure is the product shell, or the lens barrel spacing adjusting mechanism is fixed in a cavity enclosed by the product shell.
Due to the adoption of the technical scheme, the lens barrel spacing adjusting mechanism comprises a supporting structure, a first lens barrel and a second lens barrel which are respectively and slidably arranged on the supporting structure, an elastic telescopic structure for driving the first lens barrel and the second lens barrel to slide in opposite/far directions, an adjusting wheel rotatably arranged on the supporting structure, and a damping structure arranged between the side part of the adjusting wheel and the supporting structure and used for preventing the adjusting wheel from rotating, wherein a first traction wire for pulling the first lens barrel to slide in the opposite direction of the elastic force of the elastic telescopic structure acting on the first lens barrel is arranged between the adjusting wheel and the first lens barrel, a second traction wire is arranged between the first lens barrel and the second lens barrel, a steering wheel is arranged on the supporting structure corresponding to the second lens barrel, and the second traction wire is wound on the steering wheel and then turns to slide in the opposite direction of the elastic force of the elastic telescopic structure acting on the second lens barrel; the head-wearing product comprises a product shell and a lens barrel spacing adjusting mechanism, and the supporting structure is the product shell or the lens barrel spacing adjusting mechanism is fixed in a cavity surrounded by the product shell. When the adjusting wheel is rotated, the first lens barrel can be pulled to slide along the reverse direction of the elastic force of the elastic telescopic structure on the first lens barrel by the first traction wire, and the second lens barrel can be pulled to slide along the reverse direction of the elastic force of the elastic telescopic structure on the second lens barrel by the second traction wire when the first traction wire pulls the first lens barrel to slide, namely along the reverse direction of the sliding of the first lens barrel; when the adjusting wheel is reversely rotated, the length of the first traction wire part between the adjusting wheel and the first lens barrel is increased, the first lens barrel slides in the opposite direction under the action of the elastic force of the elastic telescopic structure, and simultaneously, the second lens barrel slides in the direction approaching/separating from the first lens barrel; after adjustment, can keep the regulating wheel in the optional position department that adjusts to under damping structure's effect, the regulation of interval only with the position correlation after the regulating wheel rotates, can not receive worm gear mechanism, rack and pinion mechanism's pitch to inject, can realize stepless adjustment, can accurate distance between first lens cone and the second lens cone, solved current interval adjustment mechanism and adjusted inaccurately's problem, can realize the regulation of optional position.
Drawings
Fig. 1 is a schematic front view of a lens barrel pitch adjustment mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of a lens barrel spacing adjustment mechanism and a head-mounted product according to an embodiment of the present invention;
wherein, 11, the supporting structure; 12. a mounting plate; 13. a first tank body; 14. a second tank body; 15. a guide shaft; 20a, a first lens barrel; 20b, first lens barrel; 30a, a first elastic member; 30b, a second elastic member; 41. an adjusting wheel; 42. a first traction wire; 43. a first slider; 44. a second slider; 45. a second traction wire; 46. a steering wheel; 47. a guide wheel; 48. a wire winding wheel; 49. and an intermediate wheel.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 and 2 are schematic structural views of a lens barrel pitch adjustment mechanism according to an embodiment of the present invention, wherein fig. 1 shows a schematic front view of the lens barrel pitch adjustment mechanism according to an embodiment of the present invention, and fig. 2 shows a schematic partial cross-sectional structure of the lens barrel pitch adjustment mechanism and a head-mounted product according to an embodiment of the present invention. For convenience of description, only the parts related to the present invention are shown in the drawings.
It should be noted that, if directional indications (e.g., up, down, front, back, left, right, etc.) are referred to in the present invention, the directional indications are merely used to explain the relative positional relationship between the components in a specific posture, and if the specific posture is changed, the directional indications are correspondingly changed; if the description of "first", "second", etc. is referred to in this disclosure, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
As can be seen from fig. 1 and 2, the interval adjusting mechanism comprises a supporting structure 11, a first barrel 20a and a second barrel 20b which are respectively and slidably mounted on the supporting structure 11, an elastic telescopic structure for driving the first barrel 20a and the second barrel 20b to slide in opposite/distant directions, an adjusting wheel 41 rotatably mounted on the supporting structure 11, and a damping structure provided between the side of the adjusting wheel 41 and the supporting structure 11 for preventing the adjusting wheel 41 from rotating, wherein a first traction wire 42 for sliding the first barrel 20a in the opposite direction of the elastic force acting on the first barrel 20a by the elastic telescopic structure is provided between the adjusting wheel 41 and the first barrel 20a, a second traction wire 45 is provided between the first barrel 20a and the second barrel 20b, a steering wheel 46 is mounted on the supporting structure 11 corresponding to the second barrel 20b, the second traction wire 45 is rotated around the steering wheel 46 and is rotated in the opposite direction of the elastic force acting on the second barrel 20b by the elastic telescopic structure, and normally the steering wheel 46 is rotatably mounted on the supporting structure 11, and friction between the steering wheel 46 and the second barrel 20 can be reduced.
When the adjusting wheel 41 is rotated, the first traction wire 42 is wound on the adjusting wheel 41 or the mounting shaft of the adjusting wheel 41, the first lens barrel 20a can be pulled to slide in the opposite direction of the elastic force acting on the first lens barrel 20a by the first traction wire 42, and the second traction wire 45 for pulling the second lens barrel 20b to slide in the opposite direction of the elastic force acting on the second lens barrel 20b by the elastic telescopic structure is arranged between the first lens barrel 20a and the second lens barrel 20b, so that the second lens barrel 20b can be pulled to slide in the opposite direction of the elastic force acting on the second lens barrel 20b by the second traction wire 45 while the first traction wire 42 pulls the first lens barrel 20a to slide, namely, in the opposite direction of the sliding of the first lens barrel 20 a; when the regulating wheel 41 is reversely rotated, the first traction wire 42 wound on the regulating wheel 41 or the mounting shaft of the regulating wheel 41 is partially outwards rotated, so that the length of the first traction wire 42 between the regulating wheel 41 and the first lens barrel 20a is increased, the first lens barrel 20a slides in the opposite direction under the action of the elastic force of the elastic telescopic structure, and simultaneously, the second lens barrel 20b slides in the direction approaching/separating from the first lens barrel 20 a; after adjustment, the adjusting wheel 41 can be kept at any position adjusted under the action of the damping structure, the adjustment of the distance is only related to the position of the adjusting wheel 41 after rotation, the adjustment is not limited by the tooth pitch of the worm gear mechanism and the tooth pitch of the gear rack mechanism, stepless adjustment can be realized, and the distance between the first lens cone 20a and the second lens cone 20b can be accurately adjusted. The lens barrel spacing adjusting mechanism solves the problem that the existing spacing adjusting mechanism is inaccurate in adjustment, and can achieve adjustment of any position.
And the interval is adjusted through first traction wire 42, second traction wire 45 and elasticity extending structure, no longer sets up worm gear mechanism, rack and pinion mechanism etc. and carries out the transmission, thereby can effectively reduce occupation space and reduce the appearance of wear product.
In the embodiment of the present invention, the elastic telescopic structure includes a first elastic member 30a and a second elastic member 30b arranged at intervals along the sliding direction, a first slider 43 and a second slider 44 fixedly connected with the first lens barrel 20a and the second lens barrel 20b are respectively arranged at the proximal ends of the first elastic member 30a and the second elastic member 30b, and a first limiting member and a second limiting member are respectively arranged at the distal ends of the first elastic member 30a and the second elastic member 30 b; at the distal end of the first elastic member 30a, a guiding wheel 47 is provided, and the first traction wire 42 is fixedly connected to the first slider 43 after bypassing the guiding wheel 47, and typically, the guiding wheel 47 is rotatably mounted on the supporting structure 11, so that friction between the first traction wire 42 and the guiding wheel 47 can be reduced; the second traction wire 45 is connected between the first slider 43, the second slider 44, and the steering wheel 46 is provided at a side of the second slider 44 remote from the first slider 43.
During adjustment, the adjustment wheel 41 is rotated to enable the first traction wire 42 to wind on the adjustment wheel 41 or the installation shaft of the adjustment wheel 41, the first sliding block 43 is pulled by the first traction wire 42 to slide in a direction away from the second lens barrel 20b and compress the first elastic piece 30a, the first sliding block 43 drives the first lens barrel 20a to slide in a direction away from the second lens barrel 20b, the first sliding block 43 slides and simultaneously the second sliding block 44 is pulled by the second traction wire 45 to slide in a direction away from the first lens barrel 20a and compress the second elastic piece 30b, the second sliding block 44 drives the second lens barrel 20b to slide in a direction away from the first lens barrel 20a, and the distance between the first lens barrel 20a and the second lens barrel 20b can be increased; the adjusting wheel 41 is reversely rotated, so that the first traction wire 42 wound on the adjusting wheel 41 or the mounting shaft of the adjusting wheel 41 is partially rotated out, the first lens barrel 20a is pushed to slide in a direction approaching the second lens barrel 20b by the first sliding block 43 under the compression elastic force of the first elastic member 30a, the second lens barrel 20b is pushed to slide in a direction approaching the first lens barrel 20a by the second sliding block 44 under the compression elastic force of the second elastic member 30b, and the distance between the first lens barrel 20a and the second lens barrel 20b can be reduced.
In order to facilitate the installation, the supporting structure 11 is provided with a first groove body 13 and a second groove body 14 which extend along the sliding direction and correspond to the first lens barrel 20a and the second lens barrel 20b, the first elastic piece 30a and the first sliding block 43 are arranged in the first groove body 13, the second elastic piece 30b and the second sliding block 44 are arranged in the second groove body 14, and the side walls of the distal ends of the first groove body 13 and the second groove body 14 are respectively a first limiting piece and a second limiting piece.
In general, in order to facilitate smooth sliding by pulling the second barrel 20b through the second traction wire 45, an intermediate wheel 49 is provided between the first barrel 20a and the second barrel 20b, the second traction wire 45 is fixedly connected to the first slider 43 after being wound around the intermediate wheel 49, and a portion of the second traction wire 45 located between the intermediate wheel 49 and the first slider 43 coincides with a sliding direction of the first slider 43.
Specifically, the first elastic member 30a and the second elastic member 30b are springs, and of course, the first elastic member 30a and the second elastic member 30b may be elastic sleeves.
Of course, the first slider 43 and the second slider 44 may be disposed at distal ends of the first elastic member 30a and the second elastic member 30b, and an installation member may be disposed between proximal ends of the first elastic member 30a and the second elastic member 30b, wherein both ends of the first elastic member 30a are fixedly connected with the first slider 43 and the installation member, respectively, and both ends of the first elastic member 30a are fixedly connected with the second slider 44 and the installation member, respectively. When the distance between the first lens barrel 20a and the second lens barrel 20b needs to be increased, the adjusting wheel 41 is rotated, the first sliding block 43 is pulled to slide in a direction away from the second lens barrel 20b through the first traction wire 42 and stretches the first elastic piece 30a, the first sliding block 43 drives the first lens barrel 20a to slide in a direction away from the second lens barrel 20b, meanwhile, the second sliding block 44 is pulled to slide in a direction away from the first lens barrel 20a through the second traction wire 45 and stretches the second elastic piece 30b, the second sliding block 44 drives the second lens barrel 20b to slide in a direction away from the first lens barrel 20a, and the distance between the first lens barrel 20a and the second lens barrel 20b can be increased; when the distance between the first barrel 20a and the second barrel 20b needs to be reduced, the adjusting wheel 41 is reversely rotated, and the distance between the first barrel 20a and the second barrel 20b can be reduced by the retracting tension of the first elastic member 30a and the second elastic member 30 b.
In other embodiments, the elastic telescopic structure is an elastic stretching member in a stretched state, and the first slider 43 and the second slider 44 are fixedly connected with two ends of the elastic stretching member respectively; the supporting structure 11 is correspondingly provided with a mounting groove body, and the first sliding block 43, the elastic stretching piece and the second sliding block 44 are all arranged in the mounting groove body.
In the embodiment of the present invention, two first grooves 13 are disposed on the support structure 11 corresponding to the first lens barrel 20a and disposed at intervals along the sliding direction, and two second grooves 14 are disposed on the support structure corresponding to the second lens barrel 20b and disposed at intervals along the sliding direction; the first elastic member 30a and the first slider 43 are disposed in one first groove 13 near one side of the second barrel 20b, and a first auxiliary slider fixedly connected with the first barrel 20a is disposed in the other first groove 13; the second slider 44 and the second elastic member 30b are disposed in one second groove 14 near one side of the first barrel 20a, and a second auxiliary slider fixedly connected to the second barrel 20b is disposed in the other second groove 14. The first slider 43 and the first auxiliary slider make the sliding of the first barrel 20a smoother, and the second slider 44 and the second auxiliary slider make the sliding of the second barrel 20b smoother.
Specifically, a guide shaft 15 passing through the two first grooves 13 and the two second grooves 14 is fixed to the support structure 11, and the first auxiliary slider, the first elastic member 30a, the first slider 43, the second slider 44, the second elastic member 30b, and the second auxiliary slider are respectively sleeved on the guide shaft 15. Not only is convenient for slide, but also the installation of the whole mechanism is more convenient.
In the embodiment of the present invention, for the convenience of winding, a take-up pulley 48 coaxially disposed with the regulating wheel 41 is provided at a side thereof remote from the damping structure, and an end portion of the first traction wire 42 is fixed in the take-up pulley 48.
In general, the outer diameter of the wire takeup wheel 48 is smaller than the outer diameter of the adjustment wheel 41, so that the moment acting on the adjustment wheel 41 by the first traction wire 42 can be reduced, and the adjustment wheel 41 is prevented from rotating when the first traction wire 42 is pulled.
In the embodiment of the invention, the damping structure is a disc spring in a compressed state, and rotational friction can be generated between washer plates of the disc spring when the force on the first traction wire 42 acts on the adjustment wheel 41. The damping structure may also be configured to include a first friction plate fixed to a side of the adjustment wheel 41, and a second friction plate fixed to the support structure 11, between which friction force can be generated. As long as the moment of force on the first traction wire 42 acting on the adjustment wheel 41 is smaller than the moment of force of the damping structure acting on the adjustment wheel 41, stepless adjustment can be achieved in turn by the damping structure limiting the adjustment wheel 41 to the position to which it is adjusted.
In the embodiment of the present invention, for easy installation, the mounting plate 12 is fixed to the supporting structure 11, and the guide wheel 47, the intermediate wheel 49, and the steering wheel 46 are respectively mounted on the mounting plate 12.
The present invention also relates to a head-mounted product, which includes a product housing and the lens barrel spacing adjustment mechanism, and the support structure 11 is usually a product housing, and of course, the lens barrel spacing adjustment mechanism may be directly fixed in a cavity enclosed by the product housing.
Specifically, the headgear product is an AR headgear, a VR headgear.
The foregoing description of the embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. The lens barrel distance adjusting mechanism comprises a supporting structure, a first lens barrel and a second lens barrel which are respectively and slidably arranged on the supporting structure, and is characterized by further comprising an elastic telescopic structure, an adjusting wheel and a damping structure, wherein the elastic telescopic structure is used for driving the first lens barrel and the second lens barrel to slide in a distance direction; the elastic telescopic structure comprises a first elastic piece and a second elastic piece which are arranged at intervals along the sliding direction, a first sliding block and a second sliding block which are fixedly connected with the first lens cone and the second lens cone are respectively arranged at the proximal ends of the first elastic piece and the second elastic piece, and a first limiting piece and a second limiting piece are respectively arranged at the distal ends of the first elastic piece and the second elastic piece; a guide wheel is arranged at the far end of the first elastic piece, and the first traction wire is fixedly connected with the first sliding block after bypassing the guide wheel; the second traction wire is connected between the first slider and the second slider, and the steering wheel is arranged at one side of the second slider away from the first slider; an intermediate wheel is arranged between the first lens cone and the second lens cone, the second traction wire is fixedly connected with the first sliding block after being wound on the intermediate wheel, and a second traction wire part positioned between the intermediate wheel and the first sliding block is consistent with the sliding direction of the first sliding block.
2. The lens barrel spacing adjusting mechanism according to claim 1, wherein a first groove body and a second groove body extending along a sliding direction are respectively arranged on the supporting structure corresponding to the first lens barrel and the second lens barrel, the first elastic piece and the first sliding block are arranged in the first groove body, the second sliding block and the second elastic piece are arranged in the second groove body, and side walls of the distal ends of the first groove body and the second groove body are respectively the first limiting piece and the second limiting piece.
3. The lens barrel pitch adjustment mechanism according to claim 2, wherein the support structure is provided with two first groove bodies arranged at intervals in the sliding direction at positions corresponding to the first lens barrel, and two second groove bodies arranged at intervals in the sliding direction at positions corresponding to the second lens barrel; the first elastic piece and the first sliding block are arranged in one first groove body close to one side of the second lens cone, and a first auxiliary sliding block fixedly connected with the first lens cone is arranged in the other first groove body; the second sliding block and the second elastic piece are arranged in one second groove body close to one side of the first lens cone, and a second auxiliary sliding block fixedly connected with the second lens cone is arranged in the other second groove body.
4. The lens barrel pitch adjustment mechanism according to claim 3, wherein a guide shaft passing through the two first grooves and the two second grooves is fixed to the support structure, and the first auxiliary slider, the first elastic member, the first slider, the second elastic member, and the second auxiliary slider are respectively sleeved on the guide shaft.
5. The lens barrel pitch adjustment mechanism according to claim 1, wherein a mounting plate is fixed to the support structure, and the guide wheel, the intermediate wheel, and the steering wheel are mounted on the mounting plate, respectively.
6. The lens barrel spacing adjustment mechanism according to any one of claims 1 to 5, wherein a take-up pulley coaxially disposed therewith is provided on a side of the adjustment pulley remote from the damping structure, and an end portion of the first traction wire is fixed in the take-up pulley.
7. The barrel spacing adjustment mechanism of claim 1, wherein the damping structure is a disc spring in a compressed state.
8. A head-mounted product comprising a product housing, and further comprising a lens barrel spacing adjustment mechanism according to any one of claims 1 to 7, wherein the support structure is the product housing or the lens barrel spacing adjustment mechanism is secured within a cavity defined by the product housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111158452.9A CN113885202B (en) | 2021-09-28 | 2021-09-28 | Lens cone spacing adjusting mechanism and head-mounted product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111158452.9A CN113885202B (en) | 2021-09-28 | 2021-09-28 | Lens cone spacing adjusting mechanism and head-mounted product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113885202A CN113885202A (en) | 2022-01-04 |
| CN113885202B true CN113885202B (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111158452.9A Active CN113885202B (en) | 2021-09-28 | 2021-09-28 | Lens cone spacing adjusting mechanism and head-mounted product |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773059B (en) * | 2017-01-18 | 2023-08-22 | 北京小鸟看看科技有限公司 | Flexible transmission adjusting mechanism |
| CN207010089U (en) * | 2017-06-29 | 2018-02-13 | 佛山市南海同亿电气有限公司 | A kind of erecting cable Portable support |
| CN109012923A (en) * | 2018-07-23 | 2018-12-18 | 刘洁 | A kind of quick shredding mechanism of Chinese medicine processing Chinese medicine |
| CN209433128U (en) * | 2019-02-21 | 2019-09-24 | 歌尔科技有限公司 | Lens barrel distance adjusting means and VR helmet |
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| CN113885202A (en) | 2022-01-04 |
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