CN210986347U

CN210986347U - Supporting structure of portable sound box

Info

Publication number: CN210986347U
Application number: CN202020115725.6U
Authority: CN
Inventors: 周洪亮; 徐前; 贾学军
Original assignee: Anfu Ce Link Ltd
Current assignee: Anfu Ce Link Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-07-10
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a bearing structure of portable audio amplifier, this bearing structure includes: a containing hole (2-1) arranged on the shell of the portable sound box (1); and a support assembly (9) mounted to the housing and having two states, expanded and contracted; in a retracted state, the supporting component (9) is hidden in the accommodating hole (2-1), and the surface of the supporting component is integrated with the shell of the portable sound box, so that the appearance of the portable sound box is smooth and perfect. The supporting assembly (9) comprises a supporting ring (7) and a ring seat (8) which are hinged through a shaft pin (4), and a damping mechanism, a limiting mechanism and a buckling mechanism are arranged between the supporting ring (7) and the ring seat (8). The supporting structure can be integrated with the appearance of the portable sound box, so that the appearance of the portable sound box is close to perfect. In addition, the loudspeaker box has the advantages of being convenient to take, good in opening/closing feeling of the supporting structure, small in influence on the sound quality of the loudspeaker box, not easy to fall off, low in cost and the like.

Description

Supporting structure of portable sound box

Technical Field

The utility model relates to a portable audio amplifier field specifically is a bearing structure of portable audio amplifier.

Background

Most portable sound boxes have no supporting structure, so that a plane needs to be reserved on the appearance or a foot pad needs to be additionally arranged to enable the portable sound box to be stably placed on a desktop, the appearance design of the portable sound box is limited, and the appearance cannot be close to perfect.

Some portable sound boxes can be optionally matched with independent supporting accessories, but the independent accessories are generally adhered to the portable sound boxes, so that the appearance is influenced, the connection strength is not high, and the portable sound boxes are separated.

And a part of portable sound boxes are provided with supporting structures, and the supporting structures borrow independent hinge structures to achieve closing, but the hinge cost is high.

In view of the above problems of the portable sound box, a new supporting structure of the portable sound box is yet to be developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a support structure of portable audio amplifier to solve the above-mentioned defect that the correlation technique exists at least to a certain extent.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a support structure for a portable sound box, the support structure comprising: a containing hole (2-1) arranged on the shell of the portable sound box (1); and a support assembly (9) mounted to the housing and having two states, expanded and contracted; in a retracted state, the supporting component (9) is hidden in the accommodating hole (2-1), and the surface of the supporting component is integrated with the shell of the portable sound box (1), so that the appearance of the portable sound box (1) is smooth and perfect.

Preferably, the support assembly (9) comprises: a ring seat (8) fixed on the shell of the portable sound box (1); the supporting ring (7) is hinged to the ring seat (8) through a shaft pin (4); and a damping mechanism arranged between the support ring (7) and the ring seat (8) and used for providing damping when the support ring (7) rotates around the shaft pin (4) relative to the ring seat (8), a limiting mechanism used for keeping the support ring (7) at a maximum opening angle, and a buckling mechanism used for keeping the support ring (7) at a folding state.

Preferably, the limiting mechanism comprises: a retaining wall (12) arranged in the rotating cavity (8-1) on the ring seat (8); and a retaining rib (13) arranged at the rear end of the support ring (7); when the supporting ring (7) rotates around the shaft pin (4) relative to the ring seat (8) and the blocking rib (13) contacts the retaining wall (12), the supporting ring (7) and the ring seat (8) reach the maximum opening angle.

Preferably, the maximum opening angle is between 50 and 65 degrees.

Preferably, the snap mechanism comprises: the elastic buckle (3) is arranged on the ring seat (8); and a limiting rib (18) which is arranged on the support ring (7) and is opposite to the elastic buckle (3).

Preferably, the snap (3) comprises: a U-shaped body; button holes (14) arranged on two arm parts of the U-shaped main body; and a spring rib (16) formed in the inner space of the U-shaped body; the buckling hole (14) is buckled on a boss (15) on the ring seat (8), and the elastic rib (16) penetrates through an elastic groove (17) on the ring seat (8) and extends into the rotating cavity (8-1).

Preferably, the damping mechanism comprises: an arc surface (20) in a rotating cavity (8-1) on the ring seat (8); and the friction pad (6) is arranged at the rear end of the support ring (7) and is in interference fit with the arc surface (20).

Preferably, the friction pad (6) is of an elongated structure.

Preferably, the ring seat (8) is assembled on the inner wall of the casing of the portable sound box (1) through a plurality of screws, the middle part of the ring seat (8) protrudes into the accommodating hole (2-1) to form an accommodating groove (23) matched with the support ring (7), and the support ring (7) is hidden in the accommodating groove (23) in the folded state.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

the supporting structure is integrated with the appearance of the portable sound box, so that the appearance of the portable sound box is close to perfect.

The supporting structure has the function of a handle. Under the open state, the user can stretch into the support ring with single finger in order to carry and take portable audio amplifier to release other fingers, make things convenient for other fingers to hold simultaneously and take other article.

The support ring has the effect of friction damping in the process of folding and unfolding in the support structure, so that the support ring not only has better hand feeling, but also can be tightly combined with the shaft pin, the noise generated by mutual impact due to looseness between the support ring and the shaft pin is eliminated, and the tone quality effect of the portable sound box is prevented from being influenced.

This bearing structure and portable audio amplifier's joint strength is high, is difficult for droing.

The supporting structure needs fewer parts, needs fewer manufacturing links and has lower cost.

Drawings

FIG. 1 is an exploded view of a support structure for a portable sound enclosure;

FIG. 2 is a schematic structural view of a support assembly;

FIG. 3 is an exploded view of the support assembly;

FIG. 4 is a schematic view of the structure of the snap fastener;

FIG. 5 is an expanded view of the support assembly;

FIG. 6 is a collapsed state view of the support assembly;

FIG. 7 is a schematic view of a receiving hole and a stud on the back shell;

FIG. 8 is a schematic view of the combination of the support assembly and the back shell;

FIG. 9 is a state diagram of the portable sound box with the support assembly in a retracted state;

FIG. 10 is a cross-sectional view of the portable sound enclosure with the support assembly in a retracted state;

FIG. 11 is a diagram illustrating the portable speaker in an open position of the support assembly;

reference numerals: 1. a portable sound box; 2. a back shell; 2-1, accommodating holes; 3. snapping; 4. a shaft pin; 5. a meson screw; 6. a friction pad; 7. a support ring; 8. a ring seat; 9. a support assembly; 10. a seat shaft hole; 11. a ring shaft hole; 12. retaining walls; 13. blocking ribs; 14. buckling holes; 15. a boss; 16. d, elastic reinforcement; 17. a spring slot; 18. limiting ribs; 19. rotating the groove; 20. a circular arc surface; 21. a collar; 22. a stud; 23. a receiving groove.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to fig. 1, 9, 10, and 11, the supporting structure of the portable speaker includes: a containing hole 2-1 arranged on the back shell 2 of the portable sound box 1; and a support assembly 9 mounted to the back shell 2. The supporting component 9 has an open state (see fig. 5 and 11) and a retracted state (see fig. 6, 9 and 10), in which the supporting component 9 is hidden in the accommodating hole 2-1 and the surface is integrated with the back shell 2 of the portable sound box 1, so that the appearance of the portable sound box 1 is smooth and perfect.

Referring to fig. 1 to 11, the supporting assembly 9 includes: the device comprises a ring seat 8, a support ring 7, a damping mechanism, a limiting mechanism and a buckling mechanism, wherein the damping mechanism is arranged between the support ring 7 and the ring seat 8 and used for providing damping when the support ring 7 rotates around the shaft pin 4 relative to the ring seat 8, the limiting mechanism is used for keeping the support ring 7 at a maximum opening angle, and the buckling mechanism is used for keeping the support ring 7 in a folded state.

Wherein, the shaft pin 4 passes through the seat shaft hole 10 of the ring seat 8 and the ring shaft hole 11 of the support ring 7 to assemble the support ring 7 on the ring seat 8. The retaining wall 12 is arranged in the rotating cavity 8-1 on the ring seat 8, the blocking rib 13 is arranged at the rear end of the support ring 7, the retaining wall 12 and the blocking rib 13 form the limiting mechanism, the support ring 7 can rotate around the shaft pin 4 relative to the ring seat 8, and in the rotation, when the blocking rib 13 on the support ring 7 contacts the retaining wall 12 on the ring seat 8, the support ring 7 and the ring seat 8 reach the maximum opening angle of-58 degrees (see fig. 5).

Referring to fig. 5 and 6, the rotating cavity 8-1 of the ring seat 8 is further provided with an elastic buckle 3, the rear end of the support ring 7 is further provided with a limiting rib 18 opposite to the elastic buckle 3, and the elastic buckle 3 and the limiting rib 18 form the fastening mechanism. As shown in fig. 3 and 4, the latch 3 includes: a U-shaped body; button holes 14 opened at both arms of the U-shaped body; and the elastic rib 16 is formed in the inner space of the U-shaped main body, the elastic buckle 3 is buckled on the boss 15 on the ring seat 8 through the buckling hole 14, and the elastic rib 16 of the elastic buckle 3 penetrates through the elastic groove 17 on the ring seat 8 and extends into the rotating cavity 8-1. As shown in fig. 6, when the support ring 7 is closed in the ring seat 8, the elastic rib 16 on the elastic buckle 3 blocks the limiting rib 18 on the support ring 7, and the support ring 7 is limited to be locked in the ring seat 8 without being opened by external force.

Referring to fig. 5 and 6, an arc surface 20 is disposed in the rotation cavity 8-1 of the ring seat 8, a friction pad 6 that is in interference fit with the arc surface 20 is disposed at the rear end of the support ring 7, and the arc surface 20 and the friction pad 6 form the damping mechanism, wherein the friction pad 6 is assembled with the support ring 7 through a rotation slot 19 (see fig. 3) of the support ring 7, and the friction pad 6 has a long strip structure to increase friction force. When the support ring 7 rotates around the ring seat 8, the friction pad 6 made of soft glue and the arc surface 20 on the ring seat 8 form friction damping, so that a user has good hand feeling experience, and the elastic force between the friction pad 6 and the arc surface 20 enables the support ring 7 and the shaft pin 4 to be tightly attached, thereby avoiding the influence of loose collision sound generated by loose attachment between the support ring and the shaft pin on the sound quality of the sound box.

Referring to fig. 2, 7 and 8, the ring seat 8 of the supporting component 9 is provided with four sleeve rings 21 (see fig. 2), the back shell 2 of the portable sound box 1 is provided with four studs 22 (see fig. 7), the four sleeve rings 21 on the supporting component 9 are sleeved on the four studs 22 of the back shell 2 of the portable sound box 1, and the four meson screws 5 pass through the four sleeve rings 21 and are locked with the four studs 22 of the back shell 2, so that the supporting component 9 is assembled on the inner wall of the back shell 2 of the portable sound box 1.

Referring to fig. 9, 10 and 11, the middle of the ring seat 8 protrudes into the receiving hole 2-1 to form a receiving groove 23 matching with the support ring 7, and the support ring 7 is hidden in the receiving groove 23 in the retracted state.

As shown in fig. 11, after the support ring 7 is opened to the maximum angle, the portable sound box 1 can be stably placed on the platform, and the included angle between the portable sound box 1 and the platform reaches 50 degrees, so that the user can better view the display content of the portable sound box 1 with the display screen. As shown in fig. 10, when the support ring 7 is closed (the support assembly is in the retracted state), the support ring 7 is hidden in the receiving groove 23 between the back shell 2 and the ring seat 8, so as to keep the portable sound box smooth and perfect in appearance, and facilitate the user to put into a pocket and carry.

The supporting component 9 only comprises five parts, namely a ring seat 8, a supporting ring 7, a snap 3, a shaft pin 4 and a friction pad 6, and has the advantages of fewer parts, fewer required manufacturing links and lower cost.

The present invention has been described in detail with reference to the specific embodiments, and the detailed description is only for assisting the skilled person in understanding the content of the present invention, and can not be understood as the limitation of the protection scope of the present invention. Various decorations, equivalent changes and the like which are performed on the scheme by the technical personnel in the field under the conception of the invention are all included in the protection scope of the invention.

Claims

1. A support structure of a portable sound box, comprising:

a containing hole (2-1) arranged on the shell of the portable sound box (1); and

a support assembly (9) mounted to the housing and having an expanded state and a collapsed state;

in a folded state, the supporting component (9) is hidden in the accommodating hole (2-1) and the surface of the supporting component is integrated with the shell of the portable sound box (1), so that the appearance of the portable sound box (1) is smooth.

2. Support structure for a portable sound box according to claim 1, characterized in that said support assembly (9) comprises:

a ring seat (8) fixed on the shell of the portable sound box (1);

the supporting ring (7) is hinged to the ring seat (8) through a shaft pin (4); and

a damping mechanism arranged between the support ring (7) and the ring seat (8) for providing damping when the support ring (7) rotates around the shaft pin (4) relative to the ring seat (8), a limiting mechanism for keeping the support ring (7) at a maximum opening angle, and a buckling mechanism for keeping the support ring (7) at a folded state.

3. The support structure of a portable sound box according to claim 2, wherein the position limiting mechanism comprises:

a retaining wall (12) arranged in the rotating cavity (8-1) on the ring seat (8); and

a retaining rib (13) arranged at the rear end of the support ring (7);

when the supporting ring (7) rotates around the shaft pin (4) relative to the ring seat (8) and the blocking rib (13) contacts the retaining wall (12), the supporting ring (7) and the ring seat (8) reach the maximum opening angle.

4. The support structure of claim 3, wherein the maximum opening angle is between 50 and 65 degrees.

5. The support structure of a portable sound box according to claim 2, wherein the snap mechanism comprises:

the elastic buckle (3) is arranged on the ring seat (8); and

and the limiting rib (18) is arranged on the support ring (7) and is opposite to the elastic buckle (3).

6. Support structure for a portable sound box according to claim 5, characterized in that said snap (3) comprises:

a U-shaped body;

button holes (14) arranged on two arm parts of the U-shaped main body; and

a spring rib (16) formed in the inner space of the U-shaped body;

the buckling hole (14) is buckled on a boss (15) on the ring seat (8), and the elastic rib (16) penetrates through an elastic groove (17) on the ring seat (8) and extends into the rotating cavity (8-1).

7. The support structure of a portable sound box according to claim 2, wherein the damping mechanism comprises:

an arc surface (20) in a rotating cavity (8-1) on the ring seat (8); and

and the friction pad (6) is arranged at the rear end of the support ring (7) and is in interference fit with the arc surface (20).

8. The support structure of a portable sound box according to claim 7, wherein the friction pad (6) is an elongated structure.

9. The support structure of a portable sound box according to claim 2, wherein the ring seat (8) is assembled to the inner wall of the casing of the portable sound box (1) by a plurality of screws, and the middle of the ring seat (8) protrudes into the receiving hole (2-1) to form a receiving groove (23) matched with the support ring (7), and the support ring (7) is hidden in the receiving groove (23) in the retracted state.