CN214707946U

CN214707946U - Knob structure for frequency modulation of sound box

Info

Publication number: CN214707946U
Application number: CN202120624035.8U
Authority: CN
Inventors: 余朝亮
Original assignee: Shenzhen Divoom Technology Co ltd
Current assignee: Shenzhen Divoom Technology Co ltd
Priority date: 2021-03-27
Filing date: 2021-03-27
Publication date: 2021-11-12
Anticipated expiration: 2031-03-27

Abstract

The utility model belongs to the technical field of audio-visual electrical apparatus and specifically relates to a knob structure is used in audio amplifier frequency modulation is related to, its axis of rotation direction that includes the pivot along frequency modulation element has set gradually stabilizator pipe, calibrated scale, rolling disc and has decorated the cap by being close to frequency modulation element to keeping away from frequency modulation element one side, the stabilizator pipe is located inside the calibrated scale, the rolling disc activity runs through behind calibrated scale and the stabilizator pipe with frequency modulation element's pivot is connected, it is connected with the rolling disc through connection structure to decorate the cap. This application has the comparatively complicated exquisiteness of messenger's frequency modulation knob structure, improves the aesthetic property, strengthens the effect of discerning the degree.

Description

Knob structure for frequency modulation of sound box

Technical Field

The application relates to the field of audio and video electrical appliances, in particular to a knob structure for frequency modulation of a sound box.

Background

With the development of society and the improvement of living standard, people have higher and higher requirements on audio-visual electronic products, wherein small-volume sound boxes have excellent portability and are gradually valued and accepted by consumers.

The existing loudspeaker box with the radio function generally comprises a box shell, a radio assembly used for listening to broadcast is arranged inside the box shell, the radio assembly comprises a vertically arranged radio mainboard, a frequency modulation element is arranged on the radio mainboard, a corresponding frequency modulation knob can be generally installed on the frequency modulation element, and the existing frequency modulation knob is only connected with a rotating shaft with an end cap.

In view of the above-mentioned related technologies, the inventor believes that the existing frequency modulation knob has the defects of too simple structure, poor aesthetic property and low recognition degree.

SUMMERY OF THE UTILITY MODEL

In order to make the comparatively complicated exquisiteness of frequency modulation knob structure, improve the aesthetic property, reinforcing discernment degree, this application provides a knob structure for audio amplifier frequency modulation.

The application provides a knob structure for audio amplifier frequency modulation adopts following technical scheme:

the utility model provides a knob structure for audio amplifier frequency modulation, includes that the axis of rotation direction of the pivot along frequency modulation element has set gradually stabilizator pipe, calibrated scale, rolling disc and has decorated the cap by being close to frequency modulation element to keeping away from frequency modulation element one side, the stabilizator pipe is located inside the calibrated scale, the rolling disc activity runs through behind calibrated scale and the stabilizator pipe with frequency modulation element's pivot is connected, it is connected with the rolling disc through connection structure to decorate the cap.

Through adopting above-mentioned technical scheme, during the installation, earlier put into connecting sleeve with the stabilizator pipe, then will decorate the cap through connection structure and install on the rolling disc, install the rolling disc in the pivot of frequency modulation component again, so, the knob structure is whole comparatively complicated, improves the aesthetic property through installing additional simultaneously and decorates the cap, and the reinforcing discernment degree.

Preferably, the rotating disc comprises a butt joint pipe and a connecting disc connected to the butt joint pipe, the decoration cap comprises a decoration ring pipe, a fixing ring is arranged in the decoration pipe, the connecting structure is provided with a plurality of groups, the connecting structure comprises an H-shaped fixing frame arranged on the side face, close to the rotating disc, of the fixing ring, the fixing frame comprises two side rods which are parallel to each other and a stop rod connected between the two side rods, a clamping groove is formed between the two side rods, the stop rod, the fixing ring and the decoration ring pipe in an enclosing mode, the connecting structure further comprises a avoiding groove arranged on the side wall of the connecting disc, the avoiding groove is communicated with the two opposite side faces of the connecting disc, a clamping sheet is further arranged in the avoiding groove, and the clamping sheet is clamped and matched in the clamping groove.

Through adopting above-mentioned technical scheme, when installing the rolling disc together with decorating the cap, with the rolling disc push decorative ring intraduct to thereby promote the rolling disc and make the joint piece extrude in the time and get into and the joint to the joint groove can, so simple to operate, easy operation.

Preferably, the number of the connecting structures is provided with three groups, and the three groups of the connecting structures are uniformly arranged around the central axis of the connecting disc at intervals.

Through adopting above-mentioned technical scheme, connection structure's quantity sets up the joint strength that can effectively improve rolling disc and decoration cap for setting up of three groups, and three groups of connection structure form the triangle-shaped structure to improve connection stability.

Preferably, the end of the clamping sheet is further provided with a first inclined plane facing a side surface where the decoration cap is located, and correspondingly, a second inclined plane which can be attached to the first inclined plane is arranged on a side surface, away from the fixing ring, of the stop lever.

Through adopting above-mentioned technical scheme, the setting on first inclined plane and second inclined plane can play the guide effect, from being convenient for the joint piece joint to in the joint groove.

Preferably, the dial comprises a connecting sleeve, a mounting ring is arranged on the outer side of the connecting sleeve, an arc-shaped decorative plate is further arranged on one side, close to the frequency modulation element, of the mounting ring, and the arc-shaped decorative plate is located above the stabilizing pipe.

Through adopting above-mentioned technical scheme, the aesthetic measure and the degree of discerning of knob structure are further improved in setting up of arc decorative board.

Preferably, one side of the mounting ring close to the frequency modulation element is also provided with a plurality of fixing rods for connecting a radio main board.

Through adopting above-mentioned technical scheme, the setting of dead lever is convenient for later stage fixed mounting calibrated scale.

Preferably, still be provided with on the inside wall of solid fixed ring along radial direction and show the position pole, the end connection who shows the position pole has central cap, be provided with on the connection disc and hold show the position groove of position pole and hold the central groove of central cap.

Through adopting above-mentioned technical scheme, the setting of position indicating pole and center cap can show the rotation amplitude of rolling disc better, increases the aesthetic property simultaneously.

Preferably, a center rod is arranged in the center groove, and the center cap is clamped on the center rod.

Through adopting above-mentioned technical scheme, well setting up of core rod can play spacing effect to the center cap to improve the structural stability of center cap, reduce the center cap and show that the cracked condition appears in the position pole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the knob is installed, the stabilizing pipe is placed into the connecting sleeve, the decoration cap is installed on the rotating disc through the connecting structure, and the rotating disc is installed on a rotating shaft of the frequency modulation element;

2. the arrangement of the arc-shaped decorative plate further improves the aesthetic degree and the identification degree of the knob structure;

3. the arrangement of the position indicating rod and the central cap can better show the rotation amplitude of the rotating disc, and meanwhile, the attractiveness is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of a knob structure for tuning a sound box according to the present application.

Fig. 2 is a schematic structural diagram of a decoration cap in an embodiment of a knob structure for tuning a sound box according to the present application.

Description of reference numerals: 1. a stabilizer tube; 2. a dial scale; 21. a connecting sleeve; 22. a mounting ring; 23. fixing the rod; 24. inserting a block; 3. rotating the disc; 31. butt-joint pipes; 32. connecting the disks; 53. the disc is convex; 34. a position avoiding groove; 35. a clip sheet; 36. a first inclined plane; 37. a position indicating groove; 38. a central slot; 39. a center pole; 4. a decorative cap; 41. a decorative ring tube; 42. a fixing ring; 43. a side lever; 44. a gear lever; 45. a second inclined plane; 46. a clamping groove; 47. a position indicating rod; 48. a center cap; 5. an arc-shaped decorative plate; 51. and (4) inserting and connecting the grooves.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a knob structure for adjusting the frequency of a sound box. Referring to fig. 1, the knob structure for tuning a sound box includes a stabilizer tube 1, a dial 2, a rotary disk 3, and a decoration cap 4 sequentially disposed from a side close to a tuning element to a side far from the tuning element along a rotation axis direction of a rotation shaft of the tuning element (not shown).

Referring to fig. 1, specifically, the dial 2 is generally countersunk on the outer side of the enclosure of the sound box, the dial 2 includes a connecting sleeve 21, an open end of the connecting sleeve 21 faces the frequency modulation element, the stabilizing tube 1 is located in the connecting sleeve 21 and is coaxially arranged with the connecting sleeve 21, one end of the stabilizing tube 1 close to the frequency modulation element protrudes out of the open end of the connecting sleeve 21, and a rotating shaft of the frequency modulation element extends into the stabilizing tube 1.

Referring to fig. 1, the outside of the connecting sleeve 21 is provided with a mounting ring 22, and the side of the mounting ring 22 close to the still pipe 1 is flush with the end surface of the open end of the connecting sleeve 21. The side surface of the mounting ring 22 close to the frequency modulation element is also provided with a plurality of fixing rods 23 which are used for being connected with the box shell, and the central axes of the fixing rods 23 and the central axis of the connecting sleeve 21 are arranged in parallel. In the present embodiment, the number of the fixing rods 23 is three, the three fixing rods 23 are uniformly spaced around the central axis of the mounting ring 22, and two of the fixing rods 23 are located on the same horizontal plane and above the other fixing rod 23.

Referring to fig. 1, the rotating disc 3 is located on one side of the connecting sleeve 21 far away from the mounting ring 22, the rotating disc 3 includes a butt pipe 31 and a connecting disc 32 connected to one end of the butt pipe 31 far away from the connecting sleeve 21, the butt pipe 31 and the connecting sleeve 21 are coaxially arranged and movably penetrate through the end portion of the connecting sleeve 21 far away from the mounting ring 22, and a rotating shaft of the frequency modulation element is inserted into the butt pipe 31. Meanwhile, a clamping block (not shown in the figure) is further arranged on the inner side wall of the butt joint pipe 31, the clamping block is close to the connecting disc 32, and a clamping groove (not shown in the figure) matched with the clamping block is correspondingly arranged on the end part of the rotating shaft of the frequency modulation knob.

Referring to fig. 1, a disk protrusion 53 is further provided at a side of the coupling disk 32 away from the docking pipe 31, the disk protrusion 53 is located at a middle position of the coupling disk 32, and the cosmetic cap 4 is mounted on the rotary disk 3 through a coupling structure. And in this embodiment, three sets of connecting structures are provided, and the three sets of connecting structures are uniformly spaced around the central axis of the connecting disk 32.

Referring to fig. 1 and 2, in particular, the decoration cap 4 includes a decoration collar 41, and a fixing ring 42 is disposed inside the decoration collar 41, and the fixing ring 42 is biased toward an end of the decoration collar 41 away from the rotary disk 3. The connecting structure includes an H-shaped fixing frame disposed on the side of the fixing ring 42 close to the rotating disk 3, the fixing frame includes two side rods 43 parallel to each other and a stopper rod 44 connected between the two side rods 43, wherein the length direction of the side rods 43 is parallel to the central axis of the decorative ring tube 41, the ends of the side rods 43 are fixedly connected to the fixing rod 23 and the sides of the side rods 43 are fixedly connected to the inner side wall of the decorative ring tube 41, so that a clamping groove 46 is defined between the two side rods 43, the stopper rod 44, the fixing ring 42 and the decorative ring tube 41.

Referring to fig. 1 and 2, the connecting structure further includes a avoiding groove 34 disposed on the side wall of the connecting disc 32, the avoiding groove 34 communicates with two opposite side surfaces of the connecting disc 32, a clamping piece 35 is further disposed in the avoiding groove 34, the clamping piece 35 has certain elasticity, and the clamping piece 35 is clamped and matched with the clamping groove 46. Meanwhile, a first inclined surface 36 is further arranged at the end portion of the clamping piece 35, the first inclined surface 36 faces a side surface where the disc protrusion 53 is located, a second inclined surface 45 which can be attached to the first inclined surface 36 is correspondingly arranged on a side surface, away from the fixing ring 42, of the stop lever 44, and in the installation process, the first inclined surface 36 and the second inclined surface 45 on the clamping piece 35 are attached to each other and slide relatively until the clamping piece 35 is clamped into the clamping groove 46.

Referring to fig. 1 and 2, a position indicating rod 47 is further provided on an inner sidewall of the fixing ring 42 in a radial direction, a center cap 48 is connected to an end of the position indicating rod 47, and the center cap 48 is coaxially provided with the fixing ring 42. The disc bulge 53 is positioned inside the fixing ring 42, the disc bulge 53 is provided with a position indicating groove 37 for accommodating the position indicating rod 47 and a central groove 38 for accommodating the central cap 48, the central rod 39 is arranged in the central groove 38, and the central cap 48 is sleeved on the central rod 39.

Referring to fig. 1, in addition, an arc decorative plate 5 is further arranged on one side, close to the frequency modulation element, of the mounting ring 22, the arc decorative plate 5 is located above the stabilizing pipe 1, an insertion block 24 is arranged on the side, close to the frequency modulation element, of the mounting ring 22, the insertion block 24 is horizontally arranged, and an insertion connection groove 51 in insertion connection with the insertion block 24 is formed in one end, close to the mounting ring 22, of the arc decorative plate 5.

The implementation principle of the knob structure for frequency modulation of the sound box is as follows: when the device is installed, the stabilizing tube 1 is firstly placed into the connecting sleeve 21, then the arc-shaped decorative plate 5 is installed on the installation ring 22, then the dial 2 is installed on a main board of a radio, and at the moment, a rotating shaft of the frequency modulation element extends into the stabilizing tube 1; then the rotating disc 3 is pushed into the decorative collar 41 until the first inclined surface 36 on the snap-in piece 35 abuts against the second inclined surface 45 on the stop lever 44, and the pushing is continued until the end of the snap-in piece 35 is snapped into the snap-in groove 46, in the process, the position indication lever 47 is simultaneously accommodated in the position indication groove 37, the center cap 48 is simultaneously accommodated in the center groove 38, and then the butt joint pipe 31 of the rotating disc 3 is movably inserted through the connecting sleeve 21 and the rotating shaft of the frequency modulation element is inserted into the butt joint pipe 31.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a knob structure for audio amplifier frequency modulation which characterized in that: include that the axis of rotation direction of the pivot along frequency modulation element has set gradually stabilizator pipe (1), calibrated scale (2), rolling disc (3) and has decorated cap (4) to keeping away from frequency modulation element one side by being close to frequency modulation element, stabilizator pipe (1) is located inside calibrated scale (2), rolling disc (3) activity is run through calibrated scale (2) with after the stabilizator pipe (1) with frequency modulation element's pivot is connected, it is connected with rolling disc (3) through connection structure to decorate cap (4).

2. The knob structure for tuning frequency of sound box according to claim 1, wherein: the rotating disc (3) comprises a butt joint pipe (31) and a connecting disc (32) connected to the butt joint pipe (31), the decoration cap (4) comprises a decoration ring pipe (41), a fixing ring (42) is arranged in the decoration ring pipe (41), the connecting structure is provided with a plurality of groups, the connecting structure comprises an H-shaped fixing frame arranged on the side face, close to the rotating disc (3), of the fixing ring (42), the fixing frame comprises two side rods (43) which are parallel to each other and a stop rod (44) connected between the two side rods (43), a clamping groove (46) is formed by enclosing between the two side rods (43), the stop rod (44), the fixing ring (42) and the decoration ring pipe (41), the connecting structure further comprises a position avoiding groove (34) arranged on the side wall of the connecting disc (32), and the position avoiding groove (34) is communicated with the two opposite side faces of the connecting disc (32), keep away still to be provided with in position recess (34) joint piece (35), joint piece (35) joint cooperation in joint groove (46).

3. The knob structure for tuning frequency of sound box according to claim 2, wherein: the number of the connecting structures is three, and the connecting structures are arranged around the central axis of the connecting disc (32) at even intervals.

4. The knob structure for tuning frequency of sound box according to claim 2, wherein: the tip of joint piece (35) still is provided with first inclined plane (36), first inclined plane (36) orientation decorate a side at cap (4) place, correspond one side that solid fixed ring (42) was kept away from in shelves pole (44) is provided with can with second inclined plane (45) that first inclined plane (36) laminated mutually.

5. The knob structure for tuning frequency of sound box according to claim 1, wherein: dial (2) are including connecting sleeve (21), the connecting sleeve (21) outside is provided with collar (22), collar (22) are close to one side of frequency modulation element still is provided with arc decorative board (5), arc decorative board (5) are located the top of stabilizator pipe (1).

6. The knob structure for tuning frequency of sound box according to claim 5, wherein: and a plurality of fixing rods (23) used for connecting a radio main board are further arranged on one side of the mounting ring (22) close to the frequency modulation element.

7. The knob structure for tuning frequency of sound box according to claim 2, wherein: still be provided with on the inside wall of solid fixed ring (42) along radial direction and show position pole (47), the end connection that shows position pole (47) has central cap (48), be provided with on connection disc (32) and hold show position groove (37) of position pole (47) and hold central groove (38) of central cap (48).

8. The knob structure for tuning frequency of sound box according to claim 7, wherein: a central rod (39) is arranged in the central groove (38), and a central cap (48) is clamped on the central rod (39).