CN106254996B

CN106254996B - Device for adjusting inclination angle of sound box

Info

Publication number: CN106254996B
Application number: CN201610687895.XA
Authority: CN
Inventors: 闫峻; 芦成
Original assignee: Ningbo Tonwel Audio Co ltd
Current assignee: Ningbo Tonwel Audio Co ltd
Priority date: 2016-08-18
Filing date: 2016-08-18
Publication date: 2022-11-15
Anticipated expiration: 2036-08-18
Also published as: CN106254996A

Abstract

The invention discloses a device for adjusting an inclination angle of a sound device, which comprises a tray (1) connected with a sound device shell and a support rod (3) placed on the ground, wherein the tray (1) is rotatably connected with a sleeve (2), the upper end of the support rod (3) is inserted into the sleeve (2), and a circumferential limiting device is arranged between the sleeve (2) and the tray (1). The device for adjusting the inclination angle of the sound box can adjust the inclination angle of the sound box relative to the ground, and is convenient and quick to adjust.

Description

Device for adjusting inclination angle of sound box

Technical Field

The invention relates to the technical field of sound equipment, in particular to a device for adjusting a tilt angle of the sound equipment.

Background

At present, when the stereo set need leave ground take the altitude in the use, often be through passing through the support at the stereo set lower extreme and being connected with ground. And when passing through leg joint ground, the designer often through at a bracing piece of stereo set lower extreme fixed connection, this upper end of support bar is connected with the stereo set through welding or screw, and the bracing piece lower extreme can place subaerial through the tripod to get up the stereo set frame. The mounting structure of stereo set among the prior art can't realize that the stereo set carries out angle modulation for ground, when needing to adjust the orientation of loudspeaker on the stereo set promptly, can't realize through adjusting the inclination of stereo set for ground.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a device for adjusting the inclination angle of a sound box, which can adjust the inclination angle of the sound box relative to the ground and is convenient and quick in adjustment operation.

The technical solution of the present invention is to provide an apparatus for adjusting the tilt angle of a sound device, which has the following structure: including the tray that is used for being connected with the stereo set casing with be used for placing subaerial bracing piece, tray internal rotation connecting sleeve, grafting in the sleeve upper end of the support bar, be equipped with circumference stop device between sleeve and the tray.

The invention fixedly connects the tray to the sound box shell, enables the tray to rotate relative to the sleeve by lifting the sound box shell until the sound box shell and the tray reach the required angle, and finally ensures that the sound box shell cannot rotate relative to the sleeve by limiting through the circumferential limiting device between the tray and the sleeve under the static state, and the sleeve keeps the static state relative to the ground through the supporting rod. In conclusion, the invention can adjust the inclination angle of the sound relative to the ground by lifting the sound shell, and can prevent the sound shell from rotating relative to the support rod by loosening the hand, and the whole angle adjusting process is very convenient and fast. Therefore, the invention provides a device for adjusting the inclination angle of the sound equipment, which can adjust the inclination angle of the sound equipment relative to the ground conveniently and quickly.

Preferably, the lower port of the tray is provided with a flanging structure, the tray is sleeved with an iron plate, the side wall of the lower end of the sound box shell is positioned in a vertical gap between the iron plate and the flanging structure, and the flanging structure is connected with the iron plate through screws. Through this preferred, can be with tray fixed connection on stereo set casing, through being located the inside iron plate of stereo set casing and the outside flange structure cooperation of being located stereo set casing, press from both sides the stereo set casing lateral wall in iron plate and flange structure's clearance, pass flange structure, stereo set casing lateral wall, iron plate through the screw in proper order at last and close with the nut soon, accomplish the assembly of tray and stereo set casing promptly in order to with the support piece fixed connection on stereo set casing.

Preferably, the circumferential limiting device is that the upper end of the tray is provided with a plurality of limiting grooves, the upper end of the sleeve is provided with a long-strip-shaped limiting block, and the limiting block is inserted into the limiting grooves. Through the optimization, the positioning between the tray and the sleeve can be realized after the tray rotates relative to the upper end part of the sleeve; that is to say, can swing the tray after people lift up the tray for telescopic angle, take people to set the angle and loosen the tray after, the tray can descend by oneself under self action of gravity to spacing groove on the tray can with the stopper joint of sleeve upper end, thereby just prevent that the tray from taking place to rotate for the sleeve, play limiting displacement well.

Preferably, the lower end of the sleeve is provided with two bosses extending along the radial direction of the sleeve, the two bosses are symmetrically distributed on two side walls of the sleeve, and the connecting line of the two bosses is parallel to the length direction of the limiting block; tray inner wall is equipped with and supplies boss pivoted movable chamber, and the boss cross-section is convex, and boss outer wall and the contact of movable chamber inner wall are equipped with the pressure spring that is used for promoting the sleeve and supports tight upper end of the support bar between boss and the movable chamber. Through the optimization, the rotation direction of the tray relative to the sleeve can be limited, wherein the boss with the circular arc-shaped cross section is rotatably connected in the movable cavity, so that the sleeve can only rotate around the axis of the circular arc-shaped cross section relative to the tray, namely, the rotation direction of the sleeve relative to the tray is limited through the circular arc surface on the boss and the upper plane on the side wall of the movable cavity; through the arrangement of the pressure spring, after people lift the sound box shell and the tray, the spacing groove on the tray can be ensured to be separated from the spacing block on the sleeve, specifically, people lift the sound box shell to drive the tray to move upwards, and the sleeve and the tray can be driven to synchronously lift together due to the clamping connection of the spacing groove and the spacing block; and the setting of pressure spring can order about the sleeve and obtain decurrent effort, make the sleeve support tightly with the bracing piece upper end all the time, thereby ensure that the tray rises the back and throw off with sleeve upper end, and then make things convenient for people swing tray and sound casing in-process can realize that the stopper changes for the position of spacing groove, after setting up the tray position, people can rely on sound casing self gravity to overcome the elasticity decline of pressure spring and reset after loosening sound casing, the spacing groove can be with the stopper joint again promptly, only the stopper has changed for the position of spacing groove.

Preferably, a first limiting hole for accommodating the lower end of the pressure spring is formed in the upper end of the boss, and a second limiting hole for accommodating the upper end of the pressure spring is formed in the inner wall of the movable cavity. Through the optimization, the two end parts of the pressure spring can be positioned, and the end parts of the pressure spring are prevented from being separated from the tray or the sleeve in the process of moving the tray up and down.

Preferably, a pressure plate is connected to the lower port of the tray, a guide hole for the support rod to pass through is formed in the pressure plate, and the pressure plate is located below the boss. Through the optimization, the sleeve can be prevented from being separated from the tray after the supporting rod is pulled out of the sleeve, namely, after the supporting rod is pulled out of the sleeve, the sleeve still has a tendency of being away from the tray due to the elastic action of the pressure spring, and the sleeve can be abutted against the pressure spring in the process of being away from the tray through the arrangement of the pressure plate, so that the sleeve is prevented from being separated from the tray; in addition, the pressing plate can be arranged to facilitate the upper end of the supporting rod to be inserted into the sleeve in the assembling process, particularly, the opening end of the sleeve abuts against the pressing plate under the elastic action of the pressure spring, so that the opening end of the sleeve can be easily found and inserted into the upper end of the supporting rod in the assembling process.

Preferably, the upper end of the sleeve is a first arc surface, the inner wall of the upper end of the tray is a second arc surface, the limiting grooves are distributed at intervals along the arc length of the second arc surface, and the radian of the first arc surface is equal to that of the second arc surface. Through this preferred, can be so that the tray for the sleeve position set back, after spacing block joint to the spacing inslot promptly, first cambered surface on the sleeve laminated completely with the second cambered surface on the tray, so, after the tray position is set, the tray just is more firm with telescopic being connected, both can not throw off easily, only when the tray received the effort of the first cambered surface of perpendicular to, second cambered surface the tray just can throw off with the sleeve.

Drawings

Fig. 1 is an assembly view of the apparatus for adjusting the inclination angle of an acoustic device according to the present invention.

Fig. 2 is a sectional view of the apparatus for adjusting the inclination angle of a sound according to the present invention.

Fig. 3 is a cross-sectional view of another angle in the present invention.

Fig. 4 is a partial cross-sectional view of the invention at the location of the boss.

Fig. 5 is an exploded view of the present invention.

Shown in the figure: 1. tray, 2, the sleeve, 3, the bracing piece, 4, flanging structure, 5, iron plate, 6, the spacing groove, 7, the stopper, 8, the boss, 9, the activity chamber, 10, the pressure spring, 11, the clamp plate, 12, first cambered surface, 13, the second cambered surface, 14, first spacing hole, 15, the spacing hole of second, 16, the guiding hole.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

The device for adjusting the inclination angle of the sound equipment comprises a tray 1 connected with a sound equipment shell and a support rod 3 placed on the ground, wherein a connecting sleeve 2 is rotated in the tray 1, the upper end of the support rod 3 is inserted in the sleeve 2, and a circumferential limiting device is arranged between the sleeve 2 and the tray 1.

The port is equipped with flange structure 4 under tray 1, and cup jointed iron plate 5 on the tray 1, the lateral wall of stereo set casing lower extreme is located the vertical clearance between iron plate 5 and flange structure 4, and flange structure 4 passes through the screw connection with iron plate 5. Wherein, the stereo set casing lower extreme is equipped with the opening that supplies tray 1 to pass, and flange structure 4 supports tightly with the opening marginal area of stereo set casing lower extreme, and iron plate 5 is located stereo set casing inside to flange structure 4 presss from both sides this open region with iron plate 5 tightly, and through screw locking, thereby accomplishes the installation to tray 1, is about to tray 1 fixed connection on stereo set casing.

The circumferential limiting device is characterized in that a plurality of limiting grooves 6 are formed in the upper end of the tray 1, a long-strip-shaped limiting block 7 is arranged at the upper end of the sleeve 2, and the limiting block 7 is inserted into the limiting grooves 6. The shape of the limiting groove 6 is matched with the shape of the limiting block 7, and the limiting groove 6 can accommodate the limiting block 7.

The lower end of the sleeve 2 is provided with two bosses 8 extending along the radial direction of the sleeve 2, the two bosses 8 are symmetrically distributed on two side walls of the sleeve 2, and the connecting line of the two bosses 8 is parallel to the length direction of the limiting block 7; the inner wall of the tray 1 is provided with a movable cavity 9 for rotating the boss 8, the cross section of the boss 8 is arc-shaped, the outer wall of the boss 8 is contacted with the inner wall of the movable cavity 9, and a pressure spring 10 used for pushing the sleeve 2 to tightly abut against the upper end of the supporting rod 3 is arranged between the boss 8 and the movable cavity 9. Wherein, the both sides of tray 1 all are equipped with and supply boss 8 pivoted movable chamber 9, and for the symmetry setting.

A first limiting hole 14 for accommodating the lower end of the pressure spring 10 is formed in the upper end of the boss 8, and a second limiting hole 15 for accommodating the upper end of the pressure spring 10 is formed in the inner wall of the movable cavity 9. The first limiting hole 14 and the second limiting hole 15 are both blind hole structures, so that two end parts of the pressure spring 10 can be positioned respectively.

The lower port of the tray 1 is connected with a pressing plate 11, the pressing plate 11 is provided with a guide hole 16 for the support rod 3 to pass through, and the pressing plate 11 is positioned below the boss 8. The pressing plate 11 is positioned with the tray 1 by screws and the support rod 3 can be swung with respect to the guide hole 16.

The upper end of the sleeve 2 is a first cambered surface 12, the inner wall of the upper end of the tray 1 is a second cambered surface 13, the limiting grooves 6 are distributed at intervals along the arc length of the second cambered surface 13, and the radian of the first cambered surface 12 is equal to that of the second cambered surface 13. Wherein, the cooperation of first cambered surface 12 and second cambered surface 13 can also play spacing effect to sleeve 2 and tray 1, promptly tray 1 receives stereo set casing action of gravity and supports the back tightly with sleeve 2 upper end, first cambered surface 12 can laminate with second cambered surface 13, so, tray 1 receives any circumferential force and also forces tray 1 to take place to rotate for sleeve 2, only when tray 1 receives the effort of perpendicular to first cambered surface 12 or second cambered surface 13 once more, tray 1 just can rise so that spacing groove 6 is thrown away from with stopper 7.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the scope of the claims of the present invention should be included in the protection scope of the present invention.

Claims

1. An apparatus for adjusting a tilt angle of a sound box, comprising: the sound box comprises a tray (1) connected with a sound box shell and a support rod (3) placed on the ground, wherein a connecting sleeve (2) is rotated in the tray (1), the upper end of the support rod (3) is inserted in the sleeve (2), and a circumferential limiting device is arranged between the sleeve (2) and the tray (1);

a flanging structure (4) is arranged at the lower port of the tray (1), an iron plate (5) is sleeved on the tray (1), the side wall of the lower end of the sound box shell is positioned in a vertical gap between the iron plate (5) and the flanging structure (4), and the flanging structure (4) is connected with the iron plate (5) through screws;

the circumferential limiting device is characterized in that a plurality of limiting grooves (6) are formed in the upper end of the tray (1), a long-strip-shaped limiting block (7) is arranged at the upper end of the sleeve (2), and the limiting block (7) is inserted into the limiting grooves (6);

the lower end of the sleeve (2) is provided with two bosses (8) which extend along the radial direction of the sleeve (2), the two bosses (8) are symmetrically distributed on two side walls of the sleeve (2), and the connecting line of the two bosses (8) is parallel to the length direction of the limiting block (7); tray (1) inner wall is equipped with and supplies boss (8) pivoted movable chamber (9), and boss (8) cross-section is arc, and boss (8) outer wall and movable chamber (9) inner wall contact, is equipped with between boss (8) and the movable chamber (9) to be used for promoting sleeve (2) to support pressure spring (10) of tight bracing piece (3) upper end.

2. The apparatus for adjusting an inclination angle of a sound according to claim 1, wherein: the upper end of the boss (8) is provided with a first limiting hole (14) for accommodating the lower end of the pressure spring (10), and the inner wall of the movable cavity (9) is provided with a second limiting hole (15) for accommodating the upper end of the pressure spring (10).

3. The apparatus for adjusting the tilt angle of a sound box according to claim 1, wherein: the tray is characterized in that a pressing plate (11) is connected to the lower port of the tray (1), a guide hole (16) for the supporting rod (3) to penetrate through is formed in the pressing plate (11), and the pressing plate (11) is located below the boss (8).

4. The apparatus for adjusting the tilt angle of a sound box according to claim 1, wherein: sleeve (2) upper end be first cambered surface (12), tray (1) upper end inner wall be second cambered surface (13), arc length interval distribution on second cambered surface (13) is followed in a plurality of spacing grooves (6), and the radian of first cambered surface (12) and second cambered surface (13) equals.