CN209914027U - Rotation limiting mechanism and headset - Google Patents
Rotation limiting mechanism and headset Download PDFInfo
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- CN209914027U CN209914027U CN201921001761.3U CN201921001761U CN209914027U CN 209914027 U CN209914027 U CN 209914027U CN 201921001761 U CN201921001761 U CN 201921001761U CN 209914027 U CN209914027 U CN 209914027U
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Abstract
The utility model belongs to the technical field of headphone equipment, especially, relate to a rotate stop gear and headphone. The rotation limiting mechanism comprises an inner ring rotation structure and an outer ring rotation structure annularly arranged on the outer peripheral side of the inner ring rotation structure, a plurality of balls arranged at intervals along the circumferential direction are arranged between the inner ring rotation structure and the outer ring rotation structure, elastic sheets used for providing radial elasticity are respectively arranged at positions corresponding to each ball, the balls are rotatably arranged at the corresponding elastic sheets, a plurality of limiting grooves are sequentially arranged in the circumferential direction of one side, away from the elastic sheets, of each ball, and the balls are clamped into the corresponding limiting grooves; the headset comprises a support, a headset assembly and a headset assembly, wherein the headset assembly and the headset assembly are mounted on the end portion of the support, a rotation limiting mechanism is arranged between the headset assembly and the headset assembly, an inner ring rotating structure is fixedly arranged on a shell of the headset assembly, and an outer ring rotating structure is fixedly connected with the headset assembly. The rotation limiting mechanism and the headset solve the problem that rotation restraint at the headset of the headset is prone to failure, and hand feeling during adjustment can be improved.
Description
Technical Field
The utility model belongs to the technical field of headphone equipment, especially, relate to a rotate stop gear and headphone.
Background
A conventional headphone mainly includes a headphone main body, and a headset, which is rotatably mounted on the headphone main body and can be positioned in a rotated position. At present, the mode that can realize this kind of rotatory restraint of headset and earphone main part is more, but the structure is similar roughly, mainly is the mode that sets up the plastic part and spacing draw-in groove at the rotation junction realizes the rotatory restraint to the headset.
However, the structure is not easy to control the torque of the rotation restraint, abrasion and long-term stress damage can be easily caused after long-term use, the rotation restraint is invalid, and the hand feeling is poor when the position is adjusted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotate stop gear and headphone aims at solving the problem that the rotatory restraint of headphone's headset department became invalid easily, can improve the feeling when adjusting.
The utility model discloses a rotation limiting mechanism, which comprises an inner ring rotation structure and an outer ring rotation structure annularly arranged on the outer peripheral side of the inner ring rotation structure, wherein a plurality of balls arranged at intervals along the circumferential direction are arranged between the inner ring rotation structure and the outer ring rotation structure, the positions corresponding to each ball are respectively provided with a spring plate for providing radial elasticity, and the balls are rotatably arranged at the corresponding spring plates; the circumference of one side, far away from the elastic sheet, of the ball is sequentially provided with a plurality of limiting grooves, and the balls are clamped into the corresponding limiting grooves respectively.
As an improvement, the inner ring rotating structure comprises an inner ring body, an inner ring body through hole is respectively arranged on the inner ring body corresponding to each ball, and the radial size of the inner ring body through hole is smaller than that of the ball; the elastic sheet is arranged in an area enclosed by the inner ring body, the ball is clamped between the elastic sheet and the corresponding inner ring body through hole, and part of the ball penetrates through the inner ring body through hole and extends to the outer side of the inner ring rotating structure; the limiting groove is arranged on the inner peripheral side face of the outer ring rotating structure.
As an improvement, the plurality of spring plates are connected into an integrated circular ring structure, circular ring structure through holes are respectively arranged at positions, corresponding to the through holes of the inner ring body, on the circular ring structure, the radial size of the circular ring structure through holes is smaller than that of the balls, and the balls are clamped between the corresponding circular ring structure through holes and the through holes of the inner ring body.
As a refinement, the circular ring structure is a metal ring.
As an improvement, a cylinder body coaxial with the inner ring body is arranged in an area surrounded by the inner ring body, a space is reserved between the cylinder body and the inner ring body, a plurality of cylinder body supporting plates spaced along the circumferential direction are arranged on the peripheral side wall of the cylinder body, an inner ring body supporting plate is respectively arranged on the inner side wall of the inner ring body corresponding to each cylinder body supporting plate, a space is reserved between the inner ring body supporting plate and the corresponding cylinder body supporting plate, annular grooves are formed between the inner ring body supporting plates and the cylinder body supporting plates in a surrounding mode, the annular rings are clamped in the annular grooves, and one ball is arranged between a group of two adjacent inner ring body supporting plates.
As an improvement, the inner ring body comprises a first ring body and a second ring body which are coaxially arranged, the first ring body is fixedly connected with the adjacent end of the second ring body, first ring body grooves are respectively arranged at the positions, corresponding to the balls, of the end part of the first ring body adjacent to the second ring body, second ring body grooves are respectively arranged at the positions, corresponding to the first ring body grooves, of the end part of the second ring body, and an inner ring body through hole is formed by enclosing a corresponding group of first ring body grooves and the second ring body grooves together.
As an improvement, the second ring body is fixedly bonded with the adjacent end of the first ring body.
As a modification, an annular cover plate is connected to the other end of the second ring body, which is far away from the first ring body.
As an improvement, the lengths of the first ring body and the second ring body in the axial direction are equal to the length of the cylinder body in the axial direction, and the end part of the cylinder body is inserted in the inner ring hole of the annular cover plate.
The utility model discloses a headphone, headphone includes the support, installs respectively earphone subassembly on the support both ends, correspond one side the headset subassembly that earphone subassembly set up, a serial communication port headset subassembly and corresponding side be equipped with between the earphone subassembly rotate stop gear, the inner circle rotating-structure is fixed to be set up on earphone subassembly's the casing outer lane rotating-structure with headset subassembly fixed connection outer lane rotating-structure with correspond the side be equipped with rotation connection structure between the earphone subassembly.
Due to the adoption of the technical scheme, the rotation limiting mechanism comprises an inner ring rotation structure and an outer ring rotation structure annularly arranged on the outer peripheral side of the inner ring rotation structure, a plurality of balls arranged at intervals along the circumferential direction are arranged between the inner ring rotation structure and the outer ring rotation structure, the position corresponding to each ball is respectively provided with a spring plate for providing radial elasticity, the balls are rotatably arranged at the corresponding spring plates, a plurality of limiting grooves are sequentially arranged in the circumferential direction of one side of each ball, which is far away from the spring plate, and the balls are respectively clamped into the corresponding limiting grooves; the headset comprises a support, headset components respectively arranged at two end parts of the support, and headset components arranged on one side corresponding to the headset components, wherein a rotation limiting mechanism is arranged between the headset components and the headset components, an inner ring rotating structure is fixedly arranged on a shell of the headset components, an outer ring rotating structure is fixedly connected with the headset components, and a rotation connecting structure is arranged between the outer ring rotating structure and the headset components. When rotating relatively between outer lane rotating-structure and the inner circle rotating-structure, the ball changes from to the spacing groove outside under the exogenic action, and compress the shell fragment until breaking away from the spacing groove completely, when the ball changes to next spacing groove, block into the spacing inslot again under the spring action of shell fragment, the ball rotates and installs in the shell fragment department that corresponds, the ball is in the rotating-state when inner circle rotating-structure rotates with the outer lane rotating-structure relatively, can reduce the friction, thereby alleviate wearing and tearing increase of service life, can avoid restraint inefficacy, continuous breaking away from of ball during the regulation, the card is gone into the spacing groove, can improve the feeling when adjusting, the utility model discloses a rotate stop gear and headphone has solved the problem that the rotatory restraint of headset's headset department is inefficacy easily, can improve the feeling when adjusting.
Drawings
Fig. 1 is an exploded schematic view of a rotation limiting mechanism of the present invention;
fig. 2 is a schematic sectional view of the rotation limiting mechanism of the present invention;
10, an inner ring rotating structure, 11, a first ring body, 12, a first ring body groove, 13, a second ring body, 14, a second ring body groove, 15, a barrel, 16, a barrel supporting plate, 17, an inner ring body supporting plate, 18, an annular cover plate, 19, a buckle, 20, a metal ring, 21, a metal ring through hole, 22, a ball, 30, an outer ring rotating structure, 31, a limiting groove, 32, a headset component, 33 and a protruding rib.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 and fig. 2 are the structural schematic diagram of the rotation limiting mechanism of the present invention, wherein fig. 1 shows the decomposition structural schematic diagram of the rotation limiting mechanism of the present invention, and fig. 2 shows the cross-sectional structural schematic diagram of the rotation limiting mechanism of the present invention. For the sake of convenience, only the parts relevant to the present invention are shown in the drawings.
As can be seen from fig. 1 and 2, the rotation limiting mechanism includes an inner ring rotation structure 10 and an outer ring rotation structure 30 annularly disposed on the outer peripheral side of the inner ring rotation structure 10, a plurality of balls 22 circumferentially spaced apart are disposed between the inner ring rotation structure 10 and the outer ring rotation structure 30, a spring plate for providing radial elasticity is disposed at a position corresponding to each ball 22, and the balls 22 are rotatably mounted at the corresponding spring plate; a plurality of limiting grooves 31 are sequentially arranged in the circumferential direction of one side, away from the elastic sheet, of the ball 22, and the balls 22 are respectively clamped into the corresponding limiting grooves 31.
Because a plurality of balls 22 are arranged between the inner ring rotating structure 10 and the outer ring rotating structure 30, each ball 22 is provided with a spring plate for providing radial elasticity, the balls 22 are rotatably mounted at the corresponding spring plate, a plurality of limiting grooves 31 are sequentially arranged in the circumferential direction of one side of each ball 22 away from the spring plate, when no external force is applied, the balls 22 are respectively clamped into the corresponding limiting grooves 31, and the inner ring rotating structure 10 and the outer ring rotating structure 30 are in a constrained state and cannot rotate relatively; when an external force acts, the inner ring rotating structure 10 and the outer ring rotating structure 30 rotate relatively, the ball 22 rotates away from the outer side of the limiting groove 31 under the action of the external force and compresses the elastic sheet until the elastic sheet completely separates from the limiting groove 31, and when the ball 22 rotates to the next limiting groove 31, the ball is clamped into the limiting groove 31 under the action of the elastic force of the elastic sheet; ball 22 rotates and installs in the shell fragment department that corresponds, and ball 22 is in the rotation state when inner circle revolution mechanic 10 rotates with outer lane revolution mechanic 30 relatively, can reduce the friction to alleviate wearing and tearing increase of service life, avoid restraint inefficacy, ball 22 continuous break away from during the regulation, card go into spacing groove 31, feel when can improving the regulation, the utility model discloses a rotation stop gear has solved the problem that the rotatory restraint of headset's headset department became invalid easily, can improve and feel when adjusting.
In the present embodiment, the inner ring rotating structure 10 includes an inner ring body, and inner ring body through holes are respectively formed in the inner ring body corresponding to each ball 22, and the radial size of each inner ring body through hole is smaller than that of each ball 22; the elastic sheet is arranged in the area enclosed by the inner ring body, the ball 22 is clamped between the elastic sheet and the corresponding inner ring body through hole, and a part of the ball 22 passes through the inner ring body through hole and extends to the outer side of the inner ring rotating structure 10; a stopper groove 31 is provided on an inner peripheral side surface of the outer race turning structure 30.
Specifically, the plurality of spring plates are connected to form an integral circular ring structure, circular ring structure through holes are respectively formed in the circular ring structure corresponding to each inner ring body through hole, the radial dimension of each circular ring structure through hole is smaller than that of each ball 22, the balls 22 are clamped between the circular ring structure through holes and the inner ring body through holes, and the circular ring structure is generally a metal ring 20.
In order to facilitate installation of the circular ring structure and provide elasticity, a cylinder body 15 which is coaxial with the inner ring body is arranged in an area which is defined by the inner ring body, an interval is reserved between the cylinder body 15 and the inner ring body, a plurality of cylinder body supporting plates 16 which are spaced along the circumferential direction are arranged on the peripheral side wall of the cylinder body 15, an inner ring body supporting plate 17 is respectively arranged on the inner side wall of the inner ring body corresponding to each cylinder body supporting plate 16, an interval is reserved between the inner ring body supporting plate 17 and the corresponding cylinder body supporting plate 16, annular grooves are defined between the inner ring body supporting plates 17 and the cylinder body supporting plates 16, the circular ring structure is clamped in the annular grooves, and one ball 22 is arranged between a group of. When the rolling ball 22 rotates, the rolling ball 22 is subjected to external pressure, and the circular ring structure part between the two adjacent cylinder support plates 16 is extruded to generate elastic deformation, when the rolling ball 22 is aligned with the other limiting groove 31, the external pressure acting on the rolling ball 22 disappears, and the rolling ball 22 is clamped into the limiting groove 31 under the elastic action of the circular ring structure part between the two adjacent cylinder support plates 16.
In this embodiment, the inner ring body includes the first ring body 11, the second ring body 13 that set up coaxially, and this first ring body 11 is in the same place with the fixed connection in the vicinity of second ring body 13, corresponds every ball 22 punishment on the tip that first ring body 11 is close to second ring body 13 and is equipped with first ring body recess 12 respectively, corresponds every first ring body recess 12 punishment on the tip of second ring body 13 and is equipped with second ring body recess 14 respectively, and a set of first ring body recess 12 that corresponds encloses into an inner ring body through-hole with second ring body recess 14 jointly.
An annular cover plate 18 is connected to the other end portion, far away from the first ring body 11, of the second ring body 13, generally, the annular cover plate 18 and the second ring body 13 are of an integral structure, and the adjacent end of the second ring body 13 and the first ring body 11 is fixedly bonded, so that the installation is convenient, and the metal ring 20 can be limited.
Specifically, the lengths of the first ring body 11 and the second ring body 13 in the axial direction and the length of the cylinder 15 in the axial direction are equal, so that the end of the cylinder 15 is inserted into the inner ring hole of the annular cover plate 18.
The utility model discloses in still relate to a headphone, this headphone includes the support, install the earphone subassembly on the support both ends respectively, the headset subassembly 32 that the earphone subassembly that corresponds one side set up, and set up headset subassembly 32 and correspond the above-mentioned rotation stop gear between the side earphone subassembly, inner circle revolution mechanic 10 is fixed to be set up on earphone subassembly's casing, outer lane revolution mechanic 30 and headset subassembly 32 fixed connection, specific saying so, be in the same place with headset subassembly 32's body of rod fixed connection, be equipped with rotation connection structure between outer lane revolution mechanic 30 and the earphone subassembly that corresponds the side.
When the anti-rotation device is used, the headset assembly 32 is shifted to drive the outer ring rotating structure 30 to rotate, so that relative rotation is generated between the outer ring rotating structure 30 and the inner ring rotating structure 10, the ball 22 rotates away from the outer side of the limiting groove 31 under the action of external force and compresses the elastic sheet until the elastic sheet is completely separated from the limiting groove 31, and when the ball 22 rotates to the next limiting groove 31, the ball is clamped into the limiting groove 31 under the action of the elastic force of the elastic sheet; ball 22 rotates and installs in the shell fragment department that corresponds, and ball 22 is in the rotation state when inner circle revolution mechanic 10 rotates with outer lane revolution mechanic 30 relatively, can reduce the friction to alleviate wearing and tearing increase of service life, can avoid the restraint inefficacy, ball 22 continuous break away from during the regulation, card go into spacing groove 31, feel when can improving the regulation, the utility model discloses a headset has solved the problem that the rotatory restraint of headset's headset department is inefficacy easily, feel when can improving the regulation.
In this embodiment, the rotation connection structure includes a plurality of buckles 19 that are the arc form that set up along outer lane revolution mechanic 30's circumference interval, and this buckle 19's discount sets up on one side that is close to outer lane revolution mechanic 30, and the interval is provided with a plurality of protruding muscle 33 that are the arc form in the circumference of corresponding setting outer lane revolution mechanic 30's lateral wall, and a plurality of protruding muscle 33 can be followed the slip that forms between a plurality of buckles 19's discount and the casing and carried out the axial rotation to this realizes rotating the connection.
Generally, headset assembly 32 need not rotate 360 degrees with the earphone subassembly that corresponds the side between, consequently is equipped with limit structure between outer lane revolution mechanic 30 and earphone subassembly's casing, and specifically speaking, this limit structure is including setting up the arch on outer lane revolution mechanic 30's the terminal surface, correspond the spacing that is the arc form that sets up in the slide, and the arch is followed outer lane revolution mechanic 30 and is rotated the both ends department formation of spacing and is injectd.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements 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. A rotation limiting mechanism comprises an inner ring rotation structure and an outer ring rotation structure annularly arranged on the outer peripheral side of the inner ring rotation structure, and is characterized in that a plurality of balls arranged at intervals along the circumferential direction are arranged between the inner ring rotation structure and the outer ring rotation structure, elastic sheets used for providing radial elasticity are respectively arranged at positions corresponding to each ball, and the balls are rotatably arranged at the corresponding elastic sheets; the circumference of one side, far away from the elastic sheet, of the ball is sequentially provided with a plurality of limiting grooves, and the balls are clamped into the corresponding limiting grooves respectively.
2. The rotation limiting mechanism according to claim 1, wherein the inner ring rotating structure comprises an inner ring body, an inner ring body through hole is respectively formed in the inner ring body corresponding to each ball, and the radial dimension of the inner ring body through hole is smaller than that of each ball; the elastic sheet is arranged in an area enclosed by the inner ring body, the ball is clamped between the elastic sheet and the corresponding inner ring body through hole, and part of the ball penetrates through the inner ring body through hole and extends to the outer side of the inner ring rotating structure; the limiting groove is arranged on the inner peripheral side face of the outer ring rotating structure.
3. The rotation limiting mechanism according to claim 2, wherein the plurality of resilient plates are connected to form an integral circular ring structure, circular ring structure through holes are respectively formed in the circular ring structure corresponding to each of the inner ring body through holes, the radial dimension of each circular ring structure through hole is smaller than that of each ball, and the ball is clamped between the corresponding circular ring structure through hole and the corresponding inner ring body through hole.
4. The rotation-limiting mechanism of claim 3 wherein said circular ring structure is a metal ring.
5. The rotation limiting mechanism according to claim 3, wherein a cylinder is disposed coaxially with the inner ring body in the region defined by the inner ring body, a space is left between the cylinder and the inner ring body, a plurality of cylinder support plates are disposed on the outer circumferential side wall of the cylinder at intervals in the circumferential direction, an inner ring body support plate is disposed on the inner side wall of the inner ring body corresponding to each cylinder support plate, a space is left between the inner ring body support plate and the corresponding cylinder support plate, an annular groove is defined between the plurality of inner ring body support plates and the plurality of cylinder support plates, the annular ring is engaged with the annular groove, and one ball is disposed between a set of two adjacent inner ring body support plates.
6. The rotation limiting mechanism according to claim 5, wherein the inner ring body comprises a first ring body and a second ring body which are coaxially arranged, the first ring body and the second ring body are fixedly connected together at the adjacent ends, a first ring body groove is respectively arranged at the end part of the first ring body adjacent to the second ring body and corresponding to each ball, a second ring body groove is respectively arranged at the end part of the second ring body and corresponding to each first ring body groove, and an inner ring body through hole is defined by the corresponding group of first ring body grooves and the second ring body grooves.
7. The rotation limiting mechanism of claim 6 wherein the second ring member is adhesively secured to the adjacent end of the first ring member.
8. The rotation limiting mechanism of claim 6 wherein an annular cover plate is attached to the second ring at the other end of the second ring remote from the first ring.
9. The rotation-limiting mechanism of claim 8 wherein the first ring and the second ring have the same axial length as the cylinder, and the end of the cylinder is inserted into the inner ring hole of the annular cover plate.
10. A headset, comprising a support, headset components respectively mounted on two ends of the support, and a headset component disposed corresponding to the headset component on one side, wherein a rotation limiting mechanism according to any one of claims 1 to 8 is disposed between the headset component and the headset component on the corresponding side, the inner ring rotating structure is fixedly disposed on a housing of the headset component, the outer ring rotating structure is fixedly connected with the headset component, and a rotating connection structure is disposed between the outer ring rotating structure and the headset component on the corresponding side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001761.3U CN209914027U (en) | 2019-06-28 | 2019-06-28 | Rotation limiting mechanism and headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001761.3U CN209914027U (en) | 2019-06-28 | 2019-06-28 | Rotation limiting mechanism and headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209914027U true CN209914027U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921001761.3U Active CN209914027U (en) | 2019-06-28 | 2019-06-28 | Rotation limiting mechanism and headset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209914027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381406A (en) * | 2019-07-23 | 2019-10-25 | 歌尔股份有限公司 | Shaft plug-in connection and intelligent headphone |
-
2019
- 2019-06-28 CN CN201921001761.3U patent/CN209914027U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381406A (en) * | 2019-07-23 | 2019-10-25 | 歌尔股份有限公司 | Shaft plug-in connection and intelligent headphone |
| CN110381406B (en) * | 2019-07-23 | 2021-02-12 | 歌尔光学科技有限公司 | Rotating shaft inserting mechanism and intelligent headset |
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