Rotary base, support and sound box

Abstract

The utility model provides a rotating base, a support and a sound box. The rotating base comprises a first supporting plate, a second supporting plate, a limiting mechanism, a positioning mechanism and a first supporting ring. The first supporting ring is arranged on the top face of the first supporting plate, the second supporting plate is arranged above the first supporting ring, and the limiting mechanism is arranged in the center of the second supporting plate and connected to the first supporting plate, so that the second supporting plate and the first supporting ring are in sealed sliding fit. The limiting mechanism corresponds to the center of the first supporting ring. The second supporting plate rotates around the center of the limiting mechanism. The positioning mechanism is located between the first supporting ring and the limiting mechanism and used for fixing the placement angle after rotation. The rotary base is simple and compact in structure, can be conveniently processed, produced and assembled, can reduce the overall space for installation, and can be conveniently applied to sound box products.

Description

Technical Field

[0001] The utility model relates to the field of display screen support, and more specifically, to a rotating base, a bracket and a sound box. Background Art

[0002] At present, many speakers on the market are equipped with display screens, which provide multiple functions such as song selection, prompting, video, etc.; the current display screens are mainly installed in two ways. One is to fix it directly on the speaker, which cannot be adjusted and the viewing experience is obviously limited; the other is to support it with a bracket so that the display screen can swing, which is convenient for storage and also convenient for providing a better viewing experience;

[0003] Moreover, some brackets also have the functions of rotating and adjusting angles. For example, patent CN220436028U discloses a display screen rotation positioning structure, in which a rotation mechanism is arranged in the middle, and the rotation mechanism is used as a rotation support; and its rotation mechanism includes a connecting groove at the upper end of the base plate, a mounting groove 1 at the lower end of the connecting plate, and a rotating fixture, and the rotating fixture includes a connecting ring, a connecting column and a ball. The connecting column is multiple and circumferentially arranged on the connecting ring, and the ball is embedded in the upper and lower ends of the connecting column and is rotatably connected to the connecting column, and the upper end of the connecting column is inserted into the mounting groove 1; the rotating fixture structure is relatively complex, and the corresponding base plate and connecting plate design are also relatively complex. In addition, the rotating fixture structure occupies a large space in the vertical direction, so that the overall structure is relatively thick and the compactness is poor, so it needs to be improved. Utility Model Content

[0004] In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to propose a rotating base, a bracket and a speaker. The rotating base has a simple and compact structure, can be easily processed, produced and assembled, and can also reduce the overall space for installation, making it easy to apply to speaker products.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a rotating base, comprising a first support plate, a second support plate, a limiting mechanism, a positioning mechanism, and a first support ring; the first support ring is arranged on the top surface of the first support plate, the second support plate is arranged above the first support ring, the limiting mechanism is arranged at the center of the second support plate, and is connected to the first support plate, so that the second support plate and the first support ring form a sealed sliding fit; the limiting mechanism corresponds to the center of the first support ring, and the second support plate rotates around the center of the limiting mechanism; the positioning mechanism is located between the first support ring and the limiting mechanism, and is used to fix the placement angle after rotation.

[0007] In a preferred technical solution of the utility model, a first groove is provided on the top surface of the first support plate, and the first groove forms a closed-loop structure around the center of the first support plate. The shape of the first groove is adapted to the shape of the first support ring. The first support ring is arranged at the first groove, and the top surface of the first support ring is higher than the top surface of the first support plate, so as to support the second support plate.

[0008] In a preferred technical solution of the utility model, a second groove is provided on the top surface of the first support plate, the second groove forms a closed-loop structure around the center of the first support plate, and the second groove is located between the limiting mechanism and the positioning mechanism; a second support ring is provided at the second groove, and the top surface of the second support ring is flush with the top surface of the first support ring.

[0009] In a preferred technical solution of the utility model, a first through hole is provided in the middle of the second support plate, and a supporting ring is fixedly provided on the inner wall at the bottom end of the first through hole; the limiting mechanism includes a pressure ring, and a coaxial gasket is provided on the bottom surface of the pressure ring; the diameter of the gasket is adapted to the inner diameter of the supporting ring, and the diameter of the pressure ring is adapted to the diameter of the first through hole; the sum of the height of the first support ring protruding from the top surface of the second support plate and the thickness of the supporting ring is adapted to the thickness of the gasket; the limiting mechanism is rotatably penetrated at the first through hole, and the bottom is fixed to the first support plate by bolts, and the second support plate rotates around the gasket.

[0010] The utility model provides a bracket, comprising a supporting structure and the above-mentioned rotating base; the bottom of the supporting structure is installed on the top surface of the second supporting plate.

[0011] The utility model provides a sound box, comprising a sound box body, a display screen, and the above-mentioned bracket; a first supporting plate is installed on the top of the sound box body, and the display screen is installed on the supporting structure.

[0012] The beneficial effects of the utility model are:

[0013] The utility model provides a rotating base, comprising a first supporting plate, a second supporting plate, a limiting mechanism, a positioning mechanism, and a first supporting ring; the first supporting ring is arranged on the top surface of the first supporting plate, the second supporting plate is arranged above the first supporting ring, the limiting mechanism is arranged at the center of the second supporting plate, and is connected to the first supporting plate, so that the second supporting plate and the first supporting ring form a sealed sliding fit; the limiting mechanism corresponds to the center of the first supporting ring, and the second supporting plate rotates around the center of the limiting mechanism; the first supporting ring is used as a rotating supporting component of the second supporting plate, the structure is simple, and processing, production and assembly are convenient; and the second supporting plate can be closely adjacent to the first supporting plate, so that the overall structure is more compact, which is convenient for subsequent application to speaker products;

[0014] The positioning mechanism is located between the first supporting ring and the limiting mechanism, and is used to fix the placement angle after rotation. It can be adjusted according to needs to facilitate practical use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a rotating base provided in a specific embodiment of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional unfolded structure of the rotating base provided in a specific embodiment of the utility model;

[0017] Figure 3 It is a partial cross-sectional view of a rotating base provided in a specific embodiment of the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the first support plate provided in a specific embodiment of the utility model;

[0019] Figure 5 is a schematic diagram of the three-dimensional structure of the second support plate from a first viewing angle provided in a specific embodiment of the utility model;

[0020] Figure 6 is a schematic diagram of the three-dimensional structure of the second support plate provided in a specific embodiment of the utility model from a second viewing angle;

[0021] Figure 7 It is a schematic diagram of the three-dimensional structure of the bracket provided in a specific embodiment of the utility model;

[0022] Figure 8 It is a three-dimensional structural schematic diagram of a speaker provided in a specific embodiment of the utility model.

[0023] In the figure:

[0024] 100, speaker body; 200, display screen; 300, bracket; 400, supporting structure;

[0025] 500, rotating base; 510, first support plate; 511, first groove; 512, second groove; 513, first convex tube; 514, second convex tube; 520, second support plate; 521, first through hole; 522, support ring; 523, third groove; 524, clamping groove; 525, fourth groove; 530, limiting mechanism; 531, pressing ring; 532, gasket; 540, positioning mechanism; 541, spring; 542, clamping bead; 550, first support ring; 560, second support ring; 570, column block. DETAILED DESCRIPTION

[0026] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0027] like Figure 1 , Figure 2As shown, a specific embodiment of the utility model discloses a rotating base, including a first support plate 510, a second support plate 520, a limiting mechanism 530, a positioning mechanism 540, and a first support ring 550; the first support ring 550 is arranged on the top surface of the first support plate 510, the second support plate 520 is arranged above the first support ring 550, the limiting mechanism 530 is arranged at the center of the second support plate 520, and is connected to the first support plate 510, so that the second support plate and the first support ring form a sealed sliding fit; the limiting mechanism 530 corresponds to the center of the first support ring 550, and the second support plate 520 rotates around the center of the limiting mechanism 530; the positioning mechanism 540 is located between the first support ring 550 and the limiting mechanism 530, and is used to fix the placement angle after rotation.

[0028] The above-mentioned rotating base uses the first support ring as the rotating support component of the second support plate, has a simple structure, and can be easily processed, produced and assembled; and can make the second support plate closely adjacent to the first support plate, making the overall structure more compact, which is convenient for subsequent application to speaker products; the positioning mechanism is used to fix the placement angle after rotation, which can be adjusted according to needs, facilitating practical use.

[0029] Furthermore, if Figures 2 to 4 As shown, a first groove 511 is provided on the top surface of the first support plate 510. The first groove 511 forms a closed loop structure around the center of the first support plate 510. The shape of the first groove 511 is adapted to the shape of the first support ring 550. The first support ring 550 is arranged at the first groove 511. The top surface of the first support ring 550 is higher than the top surface of the first support plate 510, and is used to support the second support plate 520. The design of the first groove can be used to clamp the first support ring to prevent the first support ring from running off. On the other hand, it can further reduce the distance between the second support plate and the first support plate, making it more compact as a whole.

[0030] Furthermore, a second groove 512 is provided on the top surface of the first support plate 510, and the second groove 512 forms a closed-loop structure around the center of the first support plate 510, and the second groove 512 is located between the limiting mechanism 530 and the positioning mechanism 540; a second support ring 560 is provided at the second groove 512, and the top surface of the second support ring 560 is flush with the top surface of the first support ring 550; the second support ring can further strengthen the support for the second support plate, and the second groove is provided to accommodate the second support ring to prevent the second support ring from deviating, and can also make it flush with the first support ring to provide stable support for the second support plate.

[0031] Furthermore, the bottom of the first groove and the second groove is an arc-shaped structure, and the cross-section of the first support ring and the second support ring is circular, and is respectively adapted to the bottom diameter of the first groove and the second groove; the contact area between the first support ring and the second support ring can be reduced, thereby reducing the rotational friction and facilitating the rotation of the second support plate; it should be noted that the cross-section of the first groove and the second groove can also be rectangular, and the first support ring and the second support ring are respectively adapted to the shape of the first groove and the second groove. This design can increase the support area and make the overall support more stable, but the friction force is higher, and the rotation of the second support plate is not as easy as the above structure. The above-mentioned matching structure with less rotational friction is preferred;

[0032] Furthermore, during actual use, lubricating oil is applied to the first groove, the second groove, the first support ring, and the second support ring to further reduce friction and facilitate rotation.

[0033] Furthermore, if Figures 3 to 5 As shown, a first through hole 521 is provided in the middle of the second support plate 520, and a supporting ring 522 is fixedly provided on the inner wall of the bottom end of the first through hole 521; the limiting mechanism 530 includes a pressing ring 531, and a coaxial gasket 532 is provided on the bottom surface of the pressing ring 531; the diameter of the gasket 532 is adapted to the inner diameter of the supporting ring 522, and the diameter of the pressing ring 531 is adapted to the diameter of the first through hole 521; the sum of the height of the first support ring protruding from the top surface of the second support plate and the thickness of the supporting ring is adapted to the thickness of the gasket; the limiting mechanism is rotatably penetrated at the first through hole, and the bottom is fixed to the first support plate by bolts, and the second support plate rotates around the gasket; the center of the second support plate is limited by the limiting mechanism so that it cannot be separated, maintaining the effect of sealing and sliding cooperation with the first support ring; the overall structure of this limiting mechanism is simple, convenient for processing and production, and also convenient for assembly and assembly;

[0034] The bottom surface of the gasket is provided with a plurality of first threaded holes, and the bottom surface of the first support plate is correspondingly provided with a plurality of countersunk holes. The limiting mechanism is fixed to the first support plate by a plurality of countersunk bolts, and the countersunk bolts will not protrude from the bottom surface of the first support plate, so as to prevent affecting the subsequent installation of other structural components.

[0035] Furthermore, if Figures 2 to 6As shown, the positioning mechanism 540 includes a spring 541 and a card bead 542. The top surface of the first support plate 510 is fixedly provided with a first convex tube 513, the spring 541 is placed inside the first convex tube 513, and the card bead 542 is located on the top of the spring 541; the bottom surface of the second support plate 520 is correspondingly provided with a third groove 523, and the third groove forms a closed loop structure around the center of the second support plate. The groove width of the third groove is adapted to the outer diameter of the first convex tube, and the depth of the third groove is greater than the length of the first convex tube; the groove bottom of the third groove 523 is provided with a plurality of card grooves 524, and the plurality of card grooves are distributed in an array around the central circumference of the third groove. The shape of the card groove is adapted to the shape of the card bead. The card bead is provided with an upward thrust through the spring, so that the card bead and the card groove form a card position fit, thereby achieving the effect of rotation positioning;

[0036] Furthermore, if Figure 3 , Figure 5 As shown, a second convex tube 514 is fixedly provided on the top surface of the first support plate 510, a column block 570 is installed on the top of the second convex tube 514, and a fourth groove 525 is correspondingly provided on the bottom surface of the second support plate 520. The fourth groove is in an arc-shaped structure around the center of the second support plate, and the central angle is between 180° and 300°. The groove width of the fourth groove is adapted to the outer diameter of the column block, and a spacing is left between the top surface of the column block and the groove bottom of the fourth groove. The column block 570 slides along the fourth groove 525 to limit the maximum angle of rotation so as to meet the actual rotation angle of the product, prevent exceeding the rotation stroke, and avoid twisting the conductive wiring stroke to prevent damage to the conductive wiring.

[0037] The utility model also discloses a bracket, such as Figure 7 As shown, it includes a support structure 400 and the above-mentioned rotating base 500; the bottom of the support structure 400 is installed on the top surface of the second support plate 520; in combination, the bracket has a rotating function to better meet different adjustment requirements.

[0038] The utility model also discloses a sound box, such as Figure 8 As shown, it includes a speaker body 100, a display screen 200, and the above-mentioned bracket 300; a first support plate 510 is installed on the top of the speaker body 100, and the display screen 200 is installed on the support structure 400; wherein, a wire hole is provided in the middle of the limiting mechanism and the first support plate, and the wiring of the display screen and the speaker body passes through the wire hole; it should be noted that the support structure for installing the display screen, the display screen and the speaker body are all common structures in the speaker field, and are not the focus of this application, and the specific structure and connection method will not be repeated.

[0039] The present invention is described by preferred embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited to the specific embodiments disclosed herein, and other embodiments falling within the claims of this application are within the scope of protection of the present invention.

Claims

1. A rotating base, characterized in that: It includes a first support plate, a second support plate, a limiting mechanism, a positioning mechanism, and a first support ring; The first support ring is arranged on the top surface of the first support plate, the second support plate is arranged above the first support ring, the limiting mechanism is arranged at the center of the second support plate and connected to the first support plate, so that the second support plate and the first support ring form a sealed sliding fit; the limiting mechanism corresponds to the center of the first support ring, and the second support plate rotates around the center of the limiting mechanism; The positioning mechanism is located between the first supporting ring and the limiting mechanism, and is used to fix the placement angle after rotation.

2. A rotating base according to claim 1, characterized in that: A first groove is provided on the top surface of the first support plate. The first groove forms a closed loop structure around the center of the first support plate. The shape of the first groove is adapted to the shape of the first support ring. The first support ring is provided at the first groove. The top surface of the first support ring is higher than the top surface of the first support plate, and is used to support the second support plate.

3. A rotating base according to claim 2, characterized in that: A second groove is provided on the top surface of the first support plate, the second groove forms a closed loop structure around the center of the first support plate, and the second groove is located between the limiting mechanism and the positioning mechanism; A second supporting ring is provided at the second groove, and a top surface of the second supporting ring is flush with a top surface of the first supporting ring.

4. A rotating base according to claim 3, characterized in that: A first through hole is provided in the middle of the second support plate, and a supporting ring is fixedly provided on the inner wall of the bottom end of the first through hole; The limiting mechanism includes a pressure ring, and a coaxial gasket is provided on the bottom surface of the pressure ring; the diameter of the gasket matches the inner diameter of the support ring, and the diameter of the pressure ring matches the diameter of the first through hole; the sum of the height of the first support ring protruding from the top surface of the second support plate and the thickness of the support ring matches the thickness of the gasket; The limiting mechanism is rotatably arranged at the first through hole, and the bottom is fixed to the first support plate by bolts, and the second support plate rotates around the gasket.

5. A bracket, characterized in that: A supporting structure and a rotating base as claimed in any one of claims 1 to 4; The bottom of the support structure is mounted on the top surface of the second support plate.

6. A sound box, characterized in that: It comprises a speaker body, a display screen, and the bracket according to claim 5; The first supporting plate is installed on the top of the sound box body, and the display screen is installed on the supporting structure.

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