CN221175777U - Player volume knob mechanism and player - Google Patents
Player volume knob mechanism and player Download PDFInfo
- Publication number
- CN221175777U CN221175777U CN202323046554.9U CN202323046554U CN221175777U CN 221175777 U CN221175777 U CN 221175777U CN 202323046554 U CN202323046554 U CN 202323046554U CN 221175777 U CN221175777 U CN 221175777U
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- torsion
- rotating shaft
- hole
- central rotating
- player
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- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Mechanical Control Devices (AREA)
Abstract
The utility model relates to a volume knob mechanism of a player, which comprises a central rotating shaft, wherein the central rotating shaft is provided with a torsion part, a stabilizing mechanism and an encoder from top to bottom; the central rotating shaft passes through the inner ring of the stabilizing bearing; the torsion part comprises a torsion seat, a torsion hole is formed in the center of the torsion seat, and the torsion seat is fixedly connected with the central rotating shaft through the torsion hole; an abutting part is extended downwards from the periphery of the torsion hole, the inner surface of the abutting part is attached to the outer surface of the central rotating shaft, and the lower end surface of the abutting part abuts against the inner ring; the stabilizing mechanism is arranged between the torsion part and the encoder to stabilize the whole mechanism, the torsion is smoother by using the stabilizing bearing, the pause feeling is reduced, the contact area can be increased and the degree of freedom is reduced by abutting the inner surface of the abutting part with the outer surface of the central rotating shaft and the lower end surface of the abutting part with the inner ring, so that the knob mechanism can not shake during torsion.
Description
Technical Field
The utility model relates to the field of electronic equipment, in particular to a volume knob mechanism of a player.
Background
Volume adjustment is one of the indispensable functions of a music player, and in a high-end portable music player, the volume adjustment function is extremely attractive in design, so that normal realization of the function is considered, humanization of function control is considered, and comfortable use experience is ensured. The existing high-end portable music player usually adopts a mode that a knob rotates an encoder to realize digital accurate adjustment of volume, but is directly connected and driven to rotate through the knob, when the high-end portable music player rotates, the high-end portable music player has a seed feel, the hand feel is not smooth enough, and due to the tolerance of the size, concentricity and flatness in manufacturing, a gap exists between the knob and the encoder after long use, the knob can shake in the rotating process, and the use experience of high-end music fever friends is affected.
Disclosure of utility model
In order to solve the problems of the volume knob of the music player that the volume knob is in a jerk sense and sways when rotating, the utility model provides a volume knob mechanism of the player, which adopts the technical proposal that:
The player volume knob mechanism comprises a central rotating shaft, wherein the central rotating shaft is sequentially provided with a torsion part, a stabilizing mechanism and an encoder from top to bottom, the stabilizing mechanism comprises a fixing seat and a stabilizing bearing, the fixing seat is fixedly connected with the player, and an outer ring of the stabilizing bearing is fixedly arranged on the fixing seat; the central rotating shaft penetrates through the inner ring of the stable bearing and drives the inner ring to rotate; the torsion part comprises a torsion seat, a torsion hole is formed in the center of the torsion seat, and the torsion seat is fixedly connected with the central rotating shaft through the torsion hole; an abutting part is extended downwards along the periphery of the torsion hole, and the lower end face of the abutting part abuts against the inner ring.
Further, the torsion part also comprises a torsion cover, wherein the torsion cover covers the outer surface of the torsion seat and is fixedly connected with the torsion seat; the torsion cover can be provided with anti-skid patterns and patterns.
Further, the upper end of the central rotating shaft is provided with a clamping surface, and the side wall of the torsion seat is provided with a clamping hole communicated with the torsion hole; after the upper end of the central rotating shaft penetrates into the torsion hole, the torsion seat is screwed into the clamping hole through the clamping bolt and is abutted against the clamping surface so as to be fixedly connected with the central rotating shaft.
Further, be provided with fixed orifices and bearing hole on the fixing base, have the fixed screw to pass the fixed orifices in order fixed connection fixing base and player, the outer loop and the bearing hole fixed connection of stable bearing in order fixed mounting on the fixing base.
Further, the cross section of the lower end of the central rotating shaft is regular polygon, the encoder is provided with a connecting hole with a corresponding shape, and the lower end of the central rotating shaft penetrates into the connecting hole to connect and rotate the encoder.
Further, the stabilizing bearing is a P5-stage bearing.
Further, the dimensional tolerance range of the bore diameter of the bearing hole and the outer diameter of the central rotating shaft is 0-0.02mm.
Further, the concentricity tolerance and the flatness tolerance of each part are not more than 0.02mm.
A player uses the volume knob mechanism.
The utility model has the beneficial effects that:
The volume knob mechanism comprises a central rotating shaft, wherein the central rotating shaft is sequentially provided with a torsion part, a stabilizing mechanism and an encoder from top to bottom, the stabilizing mechanism comprises a fixing seat and a stabilizing bearing, the fixing seat is fixedly connected with a player, and an outer ring of the stabilizing bearing is fixedly arranged on the fixing seat; the center rotating shaft penetrates through the inner ring of the stabilizing bearing, the torsion part is abutted against the inner ring, the torsion part comprises a torsion seat, a torsion hole is formed in the center of the torsion seat, and the torsion seat is fixedly connected with the center rotating shaft through the torsion hole; an abutting part is extended downwards from the periphery of the torsion hole, the inner surface of the abutting part is attached to the outer surface of the central rotating shaft, and the lower end surface of the abutting part abuts against the inner ring; the stabilizing mechanism is arranged between the torsion part and the encoder to stabilize the whole mechanism, the torsion is smoother by using the stabilizing bearing, the pause feeling is reduced, the contact area can be increased and the degree of freedom is reduced by abutting the inner surface of the abutting part with the outer surface of the central rotating shaft and the lower end surface of the abutting part with the inner ring, so that the knob mechanism can not shake during torsion.
Drawings
The utility model will be further described with reference to the accompanying drawings and specific examples, in which:
FIG. 1 is a perspective view of a knob mechanism of the present utility model;
FIG. 2 is an exploded view of the knob mechanism of the present utility model;
FIG. 3 is a cross-sectional view of the knob mechanism of the present utility model;
fig. 4 is a cross-sectional exploded view of the knob mechanism of the present utility model.
Drawing number marks:
100. A torsion part; 101. twisting the cover; 102. twisting the hole; 103. twisting the base; 104. a clamping hole; 105. a clamping bolt; 106. an abutting portion;
200. A stabilizing mechanism; 201. a set screw; 202. a fixing seat; 203. stabilizing the bearing; 2031. an outer ring; 2032. an inner ring; 204. a bearing hole; 205. a fixing hole;
300. a central spindle; 301. a clamping surface;
400. an encoder; 401. and a connection hole.
Detailed Description
For a better understanding of the objects, structures and functions of the present utility model, a more detailed description of specific embodiments of a "player volume knob mechanism" according to the present utility model will be provided with reference to the accompanying drawings.
Referring to fig. 1-4, the player volume knob mechanism of the present embodiment includes a central spindle 300; the central rotation shaft 300 is sequentially provided with the torsion part 100, the stabilizing mechanism 200 and the encoder 400 from top to bottom, and the torsion part 100 and the stabilizing mechanism 200 are coaxially arranged to improve the stability of the knob mechanism.
Further, the stabilizing mechanism 200 is sleeved on the central rotating shaft 300 and is fixedly connected with the player casing, the stabilizing mechanism 200 comprises a fixing seat 202 and a stabilizing bearing 203, the fixing seat 202 is preferably made of an aluminum alloy material, a plurality of fixing holes 205 are formed in the fixing seat 202, fixing screws 201 penetrate through the fixing holes 205 to fix the fixing seat 202 on the player casing, a bearing hole 204 is further formed in the central position of the fixing seat 202, an outer ring 2031 of the stabilizing bearing 203 is fixedly connected with the inner surface of the bearing hole 204 to be fixedly mounted on the fixing seat 202, the central rotating shaft 300 penetrates through an inner ring 2032 of the stabilizing bearing 203, and the outer surface of the central rotating shaft 300 is fixedly connected with the inner ring 2032 of the stabilizing bearing 203 to drive the inner ring 2032 to rotate.
Further, the torsion part 100 is sleeved on the top of the central rotating shaft 300 and is fixedly connected with the central rotating shaft 300, the torsion part 100 comprises a torsion seat 103, the torsion seat 103 is preferably made of a siren material, a torsion hole 102 is formed in the center of the torsion seat 103, and the torsion seat 103 is fixedly connected with the central rotating shaft 300 through the torsion hole 102; the circumference side of the torsion hole 102 extends downwards to form an abutting portion 106, the inner surface of the abutting portion 106 is attached to the outer surface of the central rotating shaft 300 to increase the contact area between the torsion portion 100 and the central rotating shaft 300, and the lower end surface of the abutting portion 106 abuts against the inner ring 2032 to reduce the degree of freedom of the torsion portion 100 in the vertical direction, so that the stability of the torsion portion 100 during torsion is ensured.
With further reference to fig. 1 and 2, in some embodiments, the torsion portion 100 further includes a torsion cover 101, where the torsion cover 101 covers the outer surface of the torsion seat 103 and is fixedly connected to the torsion seat 103; the torsion cover 101 is preferably made of brass material, and anti-skid patterns and patterns can be designed on the torsion cover 101 so as to increase the hand feeling and the aesthetic property during torsion; in other embodiments, the twist cap 101 is detachably and fixedly connected to the twist base 103, preferably by a snap-fit or screw-fit connection, so that the twist cap 101 may be designed and replaced in a different manner.
With further reference to fig. 2, in some embodiments, the upper end of the central spindle 300 is provided with a detent surface 301, and the side wall of the torsion seat 103 is provided with a detent hole 104 communicating with the torsion hole 102; after the upper end of the central rotating shaft 300 penetrates into the torsion hole 102, the torsion seat 103 is screwed into the clamping hole 104 through the clamping bolt 105 and abuts against the clamping surface 301, so that fixed connection with the central rotating shaft 300 is completed, and stable connection between the torsion part 100 and the central rotating shaft 300 is ensured.
Further, the lower end of the central rotating shaft 300 is detachably connected with the encoder 400, the cross section of the lower end of the central rotating shaft 300 is regular polygon, the encoder 400 is provided with a connecting hole 401 with a corresponding shape, and the lower end of the central rotating shaft 300 penetrates into the connecting hole 401 to connect and drive the encoder 400 to rotate. In other embodiments, the lower end of the central shaft 309 may be fixedly coupled to the encoder 400.
More specifically, to further ensure stability of the volume knob mechanism during twisting, in some embodiments, the stabilizing bearing 203 is selected to be a P5 or higher grade bearing, the dimensional tolerance of the bore diameter of the bearing bore 204 and the outer diameter of the central spindle 300 is in the range of 0-0.02mm, and the concentricity tolerance and flatness tolerance of the individual components are no greater than 0.02mm.
In some embodiments, the player includes a volume knob mechanism according to the present utility model, the encoder 400 is disposed inside the player and electrically connected to the volume control unit, the lower end of the central rotating shaft 300 is connected to the encoder 400 and can drive the encoder 400 to rotate, the stabilizing mechanism 200 is sleeved on the central rotating shaft 400, the stabilizing mechanism is fixedly connected to the shell of the player, and the torsion portion 100 is sleeved and fixed on the top end of the central rotating shaft 400.
In summary, the volume knob mechanism of the present utility model has the following advantages:
1. The stabilizing mechanism 200 is added between the torsion portion 100 and the encoder 400, and the stabilizing bearing 203 is arranged in the stabilizing mechanism 200, so that the smoothness and stability of the torsion portion 100 during torsion can be enhanced, and the shock during torsion can be reduced.
2. The circumference side of the torsion hole 102 extends downwards to form an abutting part 106, the inner surface of the abutting part 106 is attached to the outer surface of the central rotating shaft 300 to enlarge the contact area between the torsion part 100 and the central rotating shaft 300, the lower end surface of the abutting part 106 abuts against the inner ring 2032 to reduce the freedom degree of the torsion part 100 in the vertical direction, and therefore the knob cannot swing during torsion due to the fact that the use time is long and parts are loose.
3. The stable bearing 203 is a bearing of P5 grade or higher grade, the dimensional tolerance range of the aperture of the bearing hole 204 and the outer diameter of the central rotating shaft 300 is 0-0.02mm, and the concentricity tolerance and the flatness tolerance of each part are not more than 0.02mm; the high-precision parts are used, the tightness and stability of the knob matching can be further improved,
The probability of the knob mechanism swinging during use is reduced.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. A volume knob mechanism of a player is characterized by comprising a central rotating shaft (300), wherein the central rotating shaft (300) is sequentially provided with a torsion part (100), a stabilizing mechanism (200) and an encoder (400) from top to bottom,
The stabilizing mechanism (200) comprises a fixed seat (202) and a stabilizing bearing (203), the fixed seat (202) is fixedly connected with the player, and an outer ring (2031) of the stabilizing bearing (203) is fixedly arranged on the fixed seat (202); the central rotating shaft (300) passes through the inner ring (2032) of the stabilizing bearing (203) and drives the inner ring (2032) to rotate;
The torsion part (100) comprises a torsion seat (103), a torsion hole (102) is formed in the center of the torsion seat (103), and the torsion seat (103) is fixedly connected with a central rotating shaft (300) through the torsion hole (102); an abutting portion (106) extends downwards along the circumferential side of the torsion hole (102), and the lower end face of the abutting portion (106) abuts against the inner ring (2032).
2. The player volume knob mechanism of claim 1, wherein said torsion portion (100) further comprises a torsion cover (101), said torsion cover (101) covering an outer surface of said torsion seat (103) and being fixedly connected to said torsion seat (103); the torsion cover (101) can be provided with anti-skid patterns and patterns.
3. The player volume knob mechanism according to claim 1, wherein a clamping surface (301) is provided at an upper end of the central rotating shaft (300), and a clamping hole (104) communicating with the torsion hole (102) is provided on a side wall of the torsion seat (103); after the upper end of the central rotating shaft (300) penetrates into the torsion hole (102), the torsion seat (103) is screwed into the clamping hole (104) through the clamping bolt (105) and abuts against the clamping surface (301) so as to be fixedly connected with the central rotating shaft (300).
4. The volume knob mechanism of claim 1, wherein the fixing base (202) is provided with a fixing hole (205) and a bearing hole (204), and a fixing screw (201) passes through the fixing hole (205) to fixedly connect the fixing base (202) and the player; the outer ring (2031) of the stabilizing bearing (203) is fixedly connected with the bearing hole (204) so as to be fixedly arranged on the fixing seat (202).
5. The volume knob mechanism of claim 1, wherein the cross section of the lower end of the central rotating shaft (300) is regular polygon, the encoder (400) is provided with a correspondingly shaped connecting hole (401), and the lower end of the central rotating shaft (300) penetrates into the connecting hole (401) to connect and rotate the encoder (400).
6. A player volume knob mechanism according to claim 1, wherein said stabilizing bearing (203) is a P5 bearing.
7. The player volume knob mechanism of claim 4, wherein said bearing hole (204) aperture and said center spindle (300) outer diameter each have dimensional tolerances in the range of 0-0.02mm.
8. The player volume knob mechanism according to claim 7, wherein the concentricity tolerance and flatness tolerance of each component is no greater than 0.02mm.
9. A player characterized in that a volume knob mechanism according to any of the preceding claims 1-8 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323046554.9U CN221175777U (en) | 2023-11-10 | 2023-11-10 | Player volume knob mechanism and player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323046554.9U CN221175777U (en) | 2023-11-10 | 2023-11-10 | Player volume knob mechanism and player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221175777U true CN221175777U (en) | 2024-06-18 |
Family
ID=91438343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323046554.9U Active CN221175777U (en) | 2023-11-10 | 2023-11-10 | Player volume knob mechanism and player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221175777U (en) |
-
2023
- 2023-11-10 CN CN202323046554.9U patent/CN221175777U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |