CN110944263A - Folding rotating shaft mechanism and headset - Google Patents
Folding rotating shaft mechanism and headset Download PDFInfo
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- CN110944263A CN110944263A CN201911188837.2A CN201911188837A CN110944263A CN 110944263 A CN110944263 A CN 110944263A CN 201911188837 A CN201911188837 A CN 201911188837A CN 110944263 A CN110944263 A CN 110944263A
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- plate
- elastic
- folding
- rotating shaft
- arm
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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
- H04R1/105—Earpiece supports, e.g. ear hooks
Abstract
The invention belongs to the technical field of a headset, and particularly relates to a folding rotating shaft mechanism and a headset; the folding rotating shaft mechanism comprises a sliding arm and a rotating shaft which is rotatably connected with the end part of the sliding arm, wherein a limiting elastic sheet is arranged at the rotating connection part of the rotating shaft and the sliding arm, the limiting elastic sheet comprises a connecting structure fixedly arranged on the sliding arm and an elastic limiting structure fixedly connected with the connecting structure, the rotating connection end of the rotating shaft is abutted against the elastic limiting structure, the folding rotating shaft mechanism also comprises a support arm which is sleeved on the rotating shaft and can rotate relatively, and a damping structure is arranged between the support arm and the rotating shaft; the head-wearing earphone comprises a head band and two earphone units, wherein the head band comprises an arc-shaped support and folding rotating shaft mechanisms respectively arranged at two sides of the arc-shaped support, a sliding arm is slidably arranged on the corresponding side of the arc-shaped support, and the earphone units are arranged on the end parts of supporting arms. The problem of the folding state of keeping that can not be stable after the headphone folding is solved, the earphone unit can keep in folding position after folding, avoids taking place to rock.
Description
Technical Field
The invention belongs to the technical field of headsets, and particularly relates to a folding rotating shaft mechanism and a headset.
Background
The headset mainly comprises a headband and headset units arranged at two end parts of the headband, at present, the headset is arranged to be foldable due to the large size of the headset, the headset units at two sides can be folded to the inner side of the headband, and the size of the headset can be reduced, so that the headset is convenient to carry. There is a main problem that the earphone units at both sides cannot be stably maintained in a folded state after being folded, and shaking occurs.
Disclosure of Invention
The invention aims to provide a folding rotating shaft mechanism and a headset, and aims to solve the problem that the folded state of the headset cannot be stably maintained after the headset is folded.
The invention discloses a folding rotating shaft mechanism which comprises a sliding arm and a rotating shaft rotatably connected with the end part of the sliding arm, wherein a limiting elastic sheet is arranged at the rotating connection part of the rotating shaft and the sliding arm, the limiting elastic sheet comprises a connecting structure fixedly arranged on the sliding arm and an elastic limiting structure fixedly connected with the connecting structure, the rotating connection end of the rotating shaft is abutted against the elastic limiting structure, the folding rotating shaft mechanism also comprises a support arm sleeved on the rotating shaft and capable of rotating relative to the rotating shaft, and a damping structure is arranged between the support arm and the rotating shaft.
As an improvement, the end part of the sliding arm is provided with a containing groove, and the support arm is provided with an axial hole; the pivot is including rotating the installation connector in the storage tank, with connector fixed connection axis body as an organic whole, the axis body inserts in the axial hole and with the axial hole rotates to be connected, damping structure sets up the axis body with between the lateral wall of axial hole.
As an improvement, two connecting lugs are arranged on the connecting head at intervals, and rotary connecting pieces are respectively arranged between two groove walls of the accommodating groove and the connecting lugs on the corresponding side; the bottom of the accommodating groove is provided with an installation groove, and the limiting elastic sheet is arranged at the installation groove.
As an improvement, the limiting elastic sheet comprises a sheet body and a connecting plate fixedly connected with the sheet body, wherein a sheet body supporting part is arranged on one side edge of the sheet body away from the connecting plate, a connecting plate supporting part is arranged on one end of the connecting plate away from the sheet body, and two elastic plates fixedly connected with the sheet body are respectively arranged on two sides of the connecting plate; the plate body supporting part the plate body the connecting plate and the connecting plate supporting part form a connecting structure, and the elastic plate forms an elastic limiting structure, two the engaging lugs respectively support against the elastic plate corresponding to the engaging lugs, and one side of the engaging lugs close to the elastic plate is arranged to be arc-shaped.
As an improvement, elastic plate supporting parts are respectively arranged at one ends of the two elastic plates far away from the plate body, and the length of the elastic plates is smaller than that of the connecting plates; the plate body supporting part is arranged at a position close to one side of the support arm, the connecting plate supporting part is arranged at a position far away from the other side of the support arm, the height of the plate body supporting part is smaller than that of the connecting plate supporting part, and the height of the elastic plate supporting part is the same as that of the connecting plate supporting part.
As an improvement, the limiting elastic sheet is arranged in the mounting groove, and the plate body supporting part and the connecting plate supporting part are limited at two opposite side walls of the mounting groove.
As an improvement, the length of elastic plate is greater than the length of connecting plate be equipped with the barricade on the tank bottom of mounting groove, the height of barricade is less than the degree of depth of mounting groove, the plate body supporting part the fishplate bar supporting part is injectd the cell wall of mounting groove with between the barricade, two the elastic plate extends to outside the mounting groove.
As an improvement, the limiting elastic sheet comprises an elastic flat plate and two supporting side walls respectively arranged on two opposite side edges of the elastic flat plate, the two connecting lugs are abutted against the elastic flat plate, the elastic flat plate forms an elastic limiting structure, and the two supporting side walls form a connecting structure; the two support side walls are defined between the two opposite side walls of the mounting groove.
As an improvement, two connecting lug bulges are respectively arranged on the two connecting lugs, two plane parts are respectively arranged at two end parts of the peripheral surface of the connecting lug bulge, the peripheral surface part of the connecting lug bulge between the two plane parts is a convex surface part, the distance between the rotating axis and the plane parts and the distance between the rotating axis and the elastic flat plates are equal, and the distance between the rotating axis and the convex surface part is greater than the distance between the rotating axis and the elastic flat plates.
As an improvement, an annular clamping groove is arranged on the part of the rotating shaft inserted into the axial hole, a mounting hole communicated with the axial hole is arranged on the support arm corresponding to the annular clamping groove, and a clamp spring clamped on the annular clamping groove is arranged in the mounting hole; the outer side wall of the support arm is provided with a concave limit area corresponding to the mounting hole, the mounting hole is formed in the bottom side wall of the concave limit area, and a cover plate is fixed in the concave limit area.
As an improvement, the damping structure is a damping ring sleeved on the shaft body.
The invention discloses a headset which comprises a head band and two headset units, wherein the head band comprises an arc-shaped support and folding rotating shaft mechanisms respectively arranged at two sides of the arc-shaped support, sliding arms of the folding rotating shaft mechanisms are slidably arranged on the corresponding sides of the arc-shaped support, and the two headset units are respectively arranged on the end parts of support arms of the two folding rotating shaft mechanisms.
By adopting the technical scheme, the folding rotating shaft mechanism comprises a sliding arm and a rotating shaft rotatably connected with the end part of the sliding arm, wherein a limiting elastic sheet is arranged at the rotating connection part of the rotating shaft and the sliding arm, the limiting elastic sheet comprises a connecting structure fixedly arranged on the sliding arm and an elastic limiting structure fixedly connected with the connecting structure, the rotating connection end of the rotating shaft is abutted against the elastic limiting structure, the folding rotating shaft mechanism also comprises a support arm sleeved on the rotating shaft and capable of rotating relative to the rotating shaft, and a damping structure is arranged between the support arm and the rotating shaft; the head-wearing earphone comprises a head band and two earphone units, wherein the head band comprises an arc-shaped support and folding rotating shaft mechanisms arranged on two sides of the arc-shaped support respectively, a sliding arm is slidably mounted on the corresponding side of the arc-shaped support, and the two earphone units are mounted on the end parts of support arms of the two folding rotating shaft mechanisms respectively. The folding rotating shaft mechanism and the headset of the embodiment of the invention solve the problem that the folding state of the headset cannot be stably kept after the headset is folded, the earphone unit can be kept at a folding position after being folded, and shaking is avoided.
Drawings
Fig. 1 is a schematic perspective view of a folding spindle mechanism according to a first embodiment of the present invention;
FIG. 2 is an exploded view of the folding spindle mechanism according to the first embodiment of the present invention;
FIG. 3 is a schematic view of a folded structure of the folding spindle mechanism according to the first embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of the spring structure of the folding hinge mechanism according to the first embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a folding spindle mechanism according to a second embodiment of the present invention;
FIG. 6 is a schematic perspective view of a spring structure of a folding hinge mechanism according to a second embodiment of the present invention;
FIG. 7 is a schematic sectional view of a folding spindle mechanism according to a third embodiment of the present invention;
FIG. 8 is a schematic perspective view of a spring structure of a folding hinge mechanism according to a third embodiment of the present invention;
wherein, 10, the sliding arm, 11, the receiving groove, 12, the rotating connecting piece, 13a, the mounting groove, 13b, the mounting groove, 13c, the mounting groove, 131, the retaining wall, 14, the convex rib, 20, the rotating shaft, 21, the connecting head, 22, the shaft body, 23, the connecting lug, 231, the connecting lug protrusion, 232, the plane portion, 233, the convex portion, 24, the damping ring, 25, the annular clamping groove, 26, the clamping spring, 30, the supporting arm, 31, the axial hole, 32, the concave limiting area, 33, the mounting hole, 34, the cover plate, 40, the limiting elastic sheet, 41, the plate body, 42, the connecting plate, 43, the plate body supporting portion, 44, the connecting plate supporting portion, 45a, the elastic plate, 45b, the elastic plate, 46a, the elastic plate supporting portion, 46b, the elastic plate supporting portion, 50, the limiting elastic sheet, 51, the plate body, 52, the connecting plate, 53, the plate body supporting portion, 54, the, 60. spacing shell fragment, 61, elasticity flat board, 62a, flat board backup pad, 62b, flat board backup pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 to 8 are schematic structural views of a folding spindle mechanism according to an embodiment of the present invention, wherein fig. 1 shows a schematic perspective structural view of the folding spindle mechanism according to a first embodiment of the present invention, fig. 2 is an exploded view showing the folding spindle mechanism according to the first embodiment of the present invention, fig. 3 is a folded view showing the folding spindle mechanism according to the first embodiment of the present invention, figure 4 shows a schematic cross-sectional structural view of the spring structure of the folding spindle mechanism according to the first embodiment of the present invention, fig. 5 is a schematic sectional view showing a folding spindle mechanism according to a second embodiment of the present invention, fig. 6 is a schematic perspective view showing a leaf spring structure of the folding spindle mechanism according to the second embodiment of the present invention, fig. 7 is a schematic cross-sectional structural view illustrating a folding spindle mechanism according to a third embodiment of the present invention, and fig. 8 is a schematic perspective structural view illustrating a spring structure of the folding spindle mechanism according to the third embodiment of the present invention. For the sake of convenience, only the portions related to the embodiments of the present invention are shown in the drawings.
First embodiment
As can be seen from fig. 1, 2, 3 and 4, the folding pivot mechanism includes a sliding arm 10, a pivot 20 rotatably connected to an end of the sliding arm 10, a limiting elastic sheet 40 is disposed at a rotational connection position between the pivot 20 and the sliding arm 10, the limiting elastic sheet 40 includes a connection structure fixedly mounted on the sliding arm 10, and an elastic limiting structure fixedly connected to the connection structure, a rotational connection end of the pivot 20 abuts against the elastic limiting structure, and further includes a support arm 30 sleeved on the pivot 20 and capable of rotating relative to the pivot 20, and a damping structure is disposed between the support arm 30 and the pivot 20.
The headband of the headset comprises an arc-shaped support and folding rotating shaft mechanisms arranged at two sides of the arc-shaped support, sliding arms 10 of the folding rotating shaft mechanisms are slidably arranged on the corresponding sides of the arc-shaped support, two headset units of the headset are arranged on the end parts of supporting arms 30 of the two folding rotating shaft mechanisms, and after the headset is folded, the supporting arms 30 of the folding rotating shaft mechanisms rotate to the inner side of the headband and rotate the supporting arms 30 along rotating shafts 20 to adjust the arrangement direction of the headset units so that the two headset units are arranged face to face; because the rotation connecting part of the rotating shaft 20 and the sliding arm 10 is provided with the limiting elastic sheet 40, the rotation connecting end of the rotating shaft 20 is abutted against the elastic limiting structure of the limiting elastic sheet 40, damping can be formed at the rotation connecting part of the rotating shaft 20 and the sliding arm 10, the support arm 30 can be kept at the position to which the support arm rotates after rotating towards the inner side of the headband, the support arm 30 is sleeved on the rotating shaft 20 and can rotate relative to the rotating shaft 20, the damping structure is arranged between the support arm 30 and the rotating shaft 20, and the earphone unit can be kept at the adjusted setting direction after the support arm 30 is rotated along the rotating shaft 20 to adjust the setting direction of the earphone unit.
In this embodiment, the end of the sliding arm 10 is provided with a receiving groove 11, and the support arm 30 is provided with an axial hole 31; the rotating shaft 20 includes a connecting head 21 rotatably mounted in the accommodating groove 11, and a shaft body 22 fixedly connected with the connecting head 21 as a whole, the shaft body 22 is inserted into the axial hole 31 and rotatably connected with the axial hole 31, and the damping structure is disposed between the shaft body 22 and the side wall of the axial hole 31.
In order to facilitate the rotation connection between the rotating shaft 20 and the sliding arm 10, two connecting lugs 23 are provided at intervals on the connecting head 21, and a rotation connecting member 12 is provided between two groove walls of the accommodating groove 11 and the corresponding connecting lugs 23, wherein the rotation connecting member 12 may be in the form of a cylindrical pin or a bolt.
In this embodiment, the limiting elastic sheet 40 includes a plate body 41 and a connecting plate 42 fixedly connected to the plate body 41, a plate body supporting portion 43 is disposed on one side of the plate body 41 away from the connecting plate 42, a connecting plate supporting portion 44 is disposed on one end of the connecting plate 42 away from the plate body 41, and an elastic plate 45a and an elastic plate 45b fixedly connected to the plate body 41 are respectively disposed on two sides of the connecting plate 42; the connecting structure is formed by the plate body supporting part 43, the plate body 41, the connecting plate 42 and the connecting plate supporting part 44, the elastic limiting structure is formed by the elastic plate 45a and the elastic plate 45b, the two connecting lugs 23 respectively abut against the corresponding elastic plate 45a and the corresponding elastic plate 45b, and one side of each connecting lug 23 close to the corresponding elastic plate is arc-shaped.
Specifically, the ends of the elastic plates 45a and 45b far away from the plate body 41 are respectively provided with an elastic plate supporting part 46a and an elastic plate supporting part 46b, and the lengths of the elastic plates 45a and 45b are smaller than that of the connecting plate 42; the plate body support portion 43 is provided at one side close to the arm 30, the connection plate support portion 44 is provided at the other side away from the arm 30, the height of the plate body support portion 43 is smaller than that of the connection plate support portion 44, and the height of the spring plate support portion 46a and that of the spring plate support portion 46b are the same as those of the connection plate support portion 44. Like this, after the rotation junction is installed to spacing shell fragment 40, elastic plate 45a, elastic plate 45b are the slope form, and when folding pivot mechanism's support arm 30 rotated to the bandeau inboard, elastic deformation that elastic plate 45a, elastic plate 45b took place crescent, can provide bigger damping and make support arm 30 rotate the back to the bandeau inboard can be more firm keep rotating the position department to, and the damping gradual change can strengthen the operation and feel.
Usually, the position-limiting elastic sheet 40 is an integral structure, and is formed by cutting a metal plate and bending, or of course, it may be an injection-molded plastic part.
In order to facilitate the installation of the limiting elastic sheet 40 at the rotation connection position, the groove bottom of the accommodating groove 11 is provided with an installation groove 13a, the limiting elastic sheet 40 is arranged in the installation groove 13a, the plate body supporting part 43 and the connecting plate supporting part 44 are limited at two opposite side walls of the installation groove 13a, and the fastening is realized through interference fit.
In this embodiment, in order to facilitate the relative rotation and connection between the shaft body 22 of the rotating shaft 20 and the supporting arm 30, an annular locking groove 25 is provided on a portion of the rotating shaft 20 inserted into the axial hole 31, a mounting hole 33 communicating with the axial hole 31 is provided on the supporting arm 30 corresponding to the annular locking groove 25, and a snap spring 26 locked to the annular locking groove 25 is provided in the mounting hole 33.
Correspond mounting hole 33 department on the lateral wall of support arm 30 and be equipped with concave limit district 32, mounting hole 33 sets up on the bottom lateral wall of concave limit district 32, is fixed with apron 34 at concave limit district 32, can be with preventing that jump ring 26 from droing, can cover mounting hole 33 again, can not influence and seem more pleasing to the eye, and usually, apron 34 is through screw and support arm 30 fixed connection.
In this embodiment, the damping structure is a damping ring 24 sleeved on the shaft body 22, the damping ring 24 is usually made of rubber and has certain elasticity, an annular ring-shaped slot is arranged on the periphery of the shaft body 22, and the damping ring 24 is installed in the annular ring-shaped slot.
Second embodiment
As can be seen from fig. 5 and 6, this embodiment is substantially the same as the first embodiment, except that:
the limiting elastic sheet 50 comprises a sheet body 51 and a connecting plate 52 fixedly connected with the sheet body 51, wherein a sheet body supporting part 53 is arranged on one side edge of the sheet body 51 far away from the connecting plate 52, a connecting plate supporting part 54 is arranged on one end of the connecting plate 52 far away from the sheet body 51, and an elastic plate 55a and an elastic plate 55b fixedly connected with the sheet body 51 are respectively arranged on two sides of the connecting plate 42; the plate body supporting part 53, the plate body 51, the connecting plate 52 and the connecting plate supporting part 54 form a connecting structure, the elastic plate 55a and the elastic plate 55b form an elastic limiting structure, and the two connecting lugs 23 respectively abut against the corresponding elastic plate 55a and the corresponding elastic plate 55 b; the length of the elastic plate 55a and the length of the elastic plate 55b are greater than the length of the connection plate 52. The elastic deformation areas of the elastic plates 55a and 55b can be increased, the elastic performance of the whole limiting elastic sheet 50 is enhanced, and the service life of the limiting elastic sheet 50 can be prolonged
In this embodiment, an installation groove 13b is formed on the bottom of the accommodation groove 11, a retaining wall 131 is formed on the bottom of the installation groove 13b, the height of the retaining wall 131 is smaller than the depth of the installation groove 13b, the plate body support portion 53 and the tab plate support portion 54 are defined between the wall of the installation groove 13b and the retaining wall 131, and the elastic plate 55a and the elastic plate 55b extend out of the installation groove 13 b.
Third embodiment
As can be seen from fig. 7 and 8, this embodiment is substantially the same as the first embodiment, except that:
the limiting elastic sheet 60 comprises an elastic flat plate 61, and a supporting side wall 62a and a supporting side wall 62b which are respectively arranged on two opposite side edges of the elastic flat plate 61, and the two connecting lugs 23 are respectively abutted on the elastic flat plate 61; the elastic plate 61 forms an elastic limit structure, and the support side walls 62a and 62b form a connecting structure. When the rotating shaft 20 rotates, the two engaging lugs 23 press the elastic plate 61 to make the elastic plate 61 generate elastic deformation, and the elastic force acting on the two engaging lugs 23 forms damping at the rotating connection position of the rotating shaft 20 and the sliding arm 10, so that the support arm 30 can be kept at the position to which the support arm rotates after rotating towards the inner side of the headband.
In this embodiment, the two engaging lugs 23 are respectively provided with an engaging lug protrusion 231, two end portions of the outer peripheral surface of the engaging lug protrusion 231 are respectively provided with a plane portion 232, the outer peripheral surface portion of the engaging lug protrusion 231 between the two plane portions 232 is a convex portion 233, the distance between the rotation axis and the plane portion 232 is equal to the distance between the rotation axis and the elastic flat plate 61, and the distance between the rotation axis and the convex portion 233 is greater than the distance between the rotation axis and the elastic flat plate 61, so that when the earphone unit is in the folded state and the earphone unit is in the open state, the plane portion 232 on the corresponding side is attached to the elastic flat plate 61, the engaging lug protrusion 231 does not press the elastic flat plate 61, and when the convex portion 233 between the two plane portions 232 rotates to the two plane portions 232, the elastic flat plate 61 rebounds to collide with the plane portion 232 to generate a certain.
In the present embodiment, a mounting groove 13c is provided on the bottom of the receiving groove 11, and the supporting side wall 62a and the supporting side wall 62b are defined between two opposite side walls of the mounting groove 13 c.
The present invention also relates to a headphone comprising a headband and two headphone units, wherein the headband comprises an arc-shaped support and folding rotation shaft mechanisms arranged at two sides of the arc-shaped support, sliding arms 10 of the folding rotation shaft mechanisms are slidably arranged on corresponding sides of the arc-shaped support, and the two headphone units are respectively arranged on the end parts of support arms 30 of the two folding rotation shaft mechanisms.
When the headset is not used, the support arms 30 of the folding rotating shaft mechanisms are rotated towards the inner side of the headset, so that the two support arms 30 of the two folding rotating shaft mechanisms are oppositely arranged, the arrangement direction of the headset units is adjusted by rotating the support arms 30 along the rotating shafts 20, and the two headset units are oppositely arranged; because the rotation connecting part of the rotating shaft 20 and the sliding arm 10 is provided with the limiting elastic sheet, the rotation connecting end of the rotating shaft 20 is abutted against the elastic limiting structure of the limiting elastic sheet, the damping can be formed at the rotation connecting part of the rotating shaft 20 and the sliding arm 10, the support arm 30 can be kept at the position to which the support arm rotates after rotating towards the inner side of the headband, the support arm 30 is sleeved on the rotating shaft 20 and can rotate relative to the rotating shaft 20, the damping structure is arranged between the support arm 30 and the rotating shaft 20, and the earphone unit can be kept at the adjusted setting direction after the support arm 30 is rotated along the rotating shaft 20 to adjust the setting direction of the earphone unit.
The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. The utility model provides a folding pivot mechanism, its characterized in that, including the sliding arm, with sliding arm tip department rotates the pivot of connecting the pivot with the rotation junction of sliding arm is equipped with spacing shell fragment, spacing shell fragment includes fixed mounting and is in connection structure on the sliding arm, with connection structure fixed connection's elasticity limit structure, the rotation link of pivot supports elasticity limit structure is last, still including the cover in the pivot and can with the pivot carries out relative pivoted support arm the support arm with be equipped with damping structure between the pivot.
2. The folding spindle mechanism according to claim 1, wherein a receiving groove is provided on an end of the sliding arm, and an axial hole is provided on the arm; the pivot is including rotating the installation connector in the storage tank, with connector fixed connection axis body as an organic whole, the axis body inserts in the axial hole and with the axial hole rotates to be connected, damping structure sets up the axis body with between the lateral wall of axial hole.
3. The folding spindle mechanism of claim 2, wherein two engaging lugs are provided at an interval on the connecting head, and a rotating connecting member is provided between two groove walls of the accommodating groove and the engaging lug on the corresponding side; the bottom of the accommodating groove is provided with an installation groove, and the limiting elastic sheet is arranged at the installation groove.
4. The folding spindle mechanism according to claim 3, wherein the limiting elastic sheet comprises a plate body and a connecting plate fixedly connected with the plate body, a plate body supporting part is arranged on one side edge of the plate body away from the connecting plate, a connecting plate supporting part is arranged on one end of the connecting plate away from the plate body, and two elastic plates fixedly connected with the plate body are respectively arranged on two sides of the connecting plate; the plate body supporting part the plate body the connecting plate and the connecting plate supporting part form a connecting structure, and the elastic plate forms an elastic limiting structure, two the engaging lugs respectively support against the elastic plate corresponding to the engaging lugs, and one side of the engaging lugs close to the elastic plate is arranged to be arc-shaped.
5. The folding spindle mechanism according to claim 4, wherein an elastic plate support portion is respectively disposed at one end of each of the two elastic plates away from the plate body, and the length of the elastic plate is smaller than that of the connecting plate; the plate body supporting part is arranged at a position close to one side of the support arm, the connecting plate supporting part is arranged at a position far away from the other side of the support arm, the height of the plate body supporting part is smaller than that of the connecting plate supporting part, and the height of the elastic plate supporting part is the same as that of the connecting plate supporting part.
6. The folding spindle mechanism of claim 5, wherein the limiting spring is disposed in the mounting groove, and the plate support portion and the connecting plate support portion are defined at two opposite sidewalls of the mounting groove.
7. The folding hinge mechanism of claim 4, wherein the length of the resilient plate is greater than the length of the connecting plate, a retaining wall is disposed on the bottom of the mounting groove, the height of the retaining wall is less than the depth of the mounting groove, the plate supporting portion and the connecting plate supporting portion are defined between the wall of the mounting groove and the retaining wall, and the two resilient plates extend out of the mounting groove.
8. The folding spindle mechanism of claim 3, wherein the limiting spring comprises an elastic plate, and two supporting sidewalls respectively disposed on two opposite sides of the elastic plate, wherein both of the connecting lugs abut against the elastic plate, the elastic plate forms an elastic limiting structure, and the two supporting sidewalls form a connecting structure; the two support side walls are defined between the two opposite side walls of the mounting groove.
9. The folding spindle mechanism according to claim 8, wherein the engaging lug protrusions are provided on both the engaging lugs, a flat surface portion is provided on both end portions of an outer peripheral surface of the engaging lug protrusion, an outer peripheral surface portion of the engaging lug protrusion between both the flat surface portions is a convex surface portion, a distance between a rotation axis and the flat surface portion and a distance between the rotation axis and the convex surface portion are equal, and the distance between the rotation axis and the convex surface portion is greater than the distance between the rotation axis and the elastic flat plate.
10. The folding spindle mechanism according to claim 2, wherein an annular slot is provided on a portion of the spindle inserted into the axial hole, a mounting hole communicating with the axial hole is provided on the arm corresponding to the annular slot, and a snap spring clamped on the annular slot is provided in the mounting hole; the outer side wall of the support arm is provided with a concave limit area corresponding to the mounting hole, the mounting hole is formed in the bottom side wall of the concave limit area, and a cover plate is fixed in the concave limit area.
11. The folding spindle mechanism of claim 2, wherein the damping structure is a damping ring that fits over the spindle body.
12. A headphone comprising a headband and two headphone units, wherein the headband comprises an arc-shaped support, the folding spindle mechanism according to any one of claims 1 to 11 disposed at both sides of the arc-shaped support, respectively, the sliding arm of the folding spindle mechanism is slidably mounted on the corresponding side of the arc-shaped support, and the two headphone units are mounted on the arm ends of the two folding spindle mechanisms, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911188837.2A CN110944263A (en) | 2019-11-28 | 2019-11-28 | Folding rotating shaft mechanism and headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911188837.2A CN110944263A (en) | 2019-11-28 | 2019-11-28 | Folding rotating shaft mechanism and headset |
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| CN110944263A true CN110944263A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911188837.2A Pending CN110944263A (en) | 2019-11-28 | 2019-11-28 | Folding rotating shaft mechanism and headset |
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| CN206506668U (en) * | 2017-02-21 | 2017-09-19 | 深圳市冠旭电子股份有限公司 | A kind of earphone connection mounting structure and headphone |
| CN206960774U (en) * | 2017-03-24 | 2018-02-02 | 潍坊歌尔电子有限公司 | A kind of head-mounted display retaining mechanism and head-mounted display |
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| CN105554603A (en) * | 2015-12-04 | 2016-05-04 | 魅族科技（中国）有限公司 | Headset and connecting rod assembly |
| CN205726271U (en) * | 2016-04-27 | 2016-11-23 | 范伏清 | A kind of folded head bone conduction earphone |
| CN106210952A (en) * | 2016-08-25 | 2016-12-07 | 歌尔股份有限公司 | A kind of tuning earphone |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200331 |
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| RJ01 | Rejection of invention patent application after publication |