CN210225740U

CN210225740U - Loudspeaker device for electrically adjusting directivity

Info

Publication number: CN210225740U
Application number: CN201921096910.9U
Authority: CN
Inventors: Lianyun Lai; 赖连云; Qiaofen Pan; 潘巧芬; Lianhong Lai; 赖连洪
Original assignee: Guangzhou Shengtuo Electronic Co Ltd
Current assignee: Guangzhou Shengtuo Electronic Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-03-31
Anticipated expiration: 2029-07-15

Abstract

The utility model relates to the technical field of loudspeakers, and discloses a loudspeaker device for electrically adjusting directivity, which comprises a loudspeaker main body, wherein the loudspeaker main body is internally provided with a circular truncated cone-shaped loudspeaker groove symmetrically along the vertical direction, a first loudspeaker head is arranged in the loudspeaker groove positioned below, a second loudspeaker head is arranged in the other loudspeaker groove through an adjusting mechanism, and the first loudspeaker head and the second loudspeaker head are both connected with the loudspeaker main body through wires; the adjusting mechanism comprises a sliding barrel, a driving motor, a movable plate, a screw rod, a connecting rod and a threaded hole, the sliding barrel is installed in the sound raising groove, the second sound raising head and the movable plate are both in sliding connection with the sliding barrel, the movable plate is connected with the second sound raising head through the connecting rods, the driving motor is installed at the bottom of the sliding barrel, the screw rod is fixedly connected to the output end of the driving motor, and the threaded hole is formed in the movable plate. The utility model discloses can change the directive property of speaker main part, let it be applicable to different use occasions.

Description

Loudspeaker device for electrically adjusting directivity

Technical Field

The utility model relates to a speaker technical field especially relates to an electronic speaker device who transfers directive property.

Background

The formation of the speaker directivity is formed by the interference of sound waves, the interference form of the sound waves can be controlled, the directivity can be controlled, the axis of the directivity of the linear array speaker system is vertical to the array when the linear array speaker system is in a vertical state, and the axis of the directivity deviates from a horizontal state when the linear array sound system is in other states, and the directivity with a certain angle with the ground appears.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the prior art in loudspeaker directive property mostly be fixed invariably ground, can not change its directive property's problem according to the use occasion difference, and the electronic speaker device who transfers directive property that provides.

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

a loudspeaker device for electrically adjusting directivity comprises a loudspeaker main body, wherein circular truncated cone-shaped loudspeaker grooves are symmetrically formed in the loudspeaker main body in the vertical direction, a first loudspeaker head is installed in the loudspeaker groove positioned below the loudspeaker groove, a second loudspeaker head is installed in the other loudspeaker groove through an adjusting mechanism, and the first loudspeaker head and the second loudspeaker head are both connected with the loudspeaker main body through wires;

adjustment mechanism includes slide cartridge, driving motor, movable plate, screw rod, connecting rod and screw hole, the slide cartridge is installed at the sound raising inslot, sound raising head and movable plate of second all with slide cartridge sliding connection, the movable plate is connected with the second head of raising one's voice through a plurality of connecting rod, driving motor installs the bottom in the slide cartridge, screw rod fixed connection is at driving motor's output, the screw hole is seted up on the movable plate, screw rod and screw hole threaded connection.

Preferably, the draw-in groove has been seted up to one side symmetry of speaker main part, sliding connection has the fixture block, two the common fixedly connected with dust screen of one end that the draw-in groove tank bottom was kept away from to the fixture block, the tank bottom fixedly connected with magnetite of draw-in groove, the fixture block is the iron material.

Preferably, the limiting groove has been seted up to the symmetry in the slide cartridge, sliding connection has the stopper in the limiting groove, the one end that the limiting groove tank bottom was kept away from to the stopper passes the notch of limiting groove and outwards extends, and fixed connection is on the corresponding lateral wall of second loudspeaker head.

Preferably, the limiting block is close to the one end of the limiting groove bottom and is provided with a ball groove, the ball groove is connected with a ball in a rolling manner, and one end, far away from the ball groove bottom, of the ball penetrates through the notch of the ball groove and extends outwards and is connected with the groove bottom of the limiting groove in a rolling manner.

Preferably, the four corners of the bottom outside the loudspeaker main body are fixedly connected with supporting legs.

Preferably, a pulling handle is fixedly connected to the top end outside the speaker body.

Compared with the prior art, the utility model provides an electronic speaker device who transfers directive property possesses following beneficial effect:

1. this speaker device of electronic accent directive property through setting up speaker main part, loudspeaker groove, first loudspeaker head and second loudspeaker head for with the axis of the perpendicular directive property between second loudspeaker head and the first loudspeaker head take place the skew for the speaker main part, and then changed the directive property of speaker main part, be applicable to different use occasions.

2. This electronic speaker device who transfers directive property through setting up draw-in groove, fixture block, dust screen and magnetite, blocks external dust, has played the effect of dustproof.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can change the directive property of speaker main part, let it be applicable to different use occasions.

Drawings

Fig. 1 is a schematic structural view of a speaker device for electrically adjusting directivity according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 2.

In the figure: the loudspeaker comprises a loudspeaker body 1, a loudspeaker groove 2, a loudspeaker head 3, a regulating mechanism 4, a sliding cylinder 41, a driving motor 42, a moving plate 43, a screw 44, a connecting rod 45, a loudspeaker head 5, a clamping groove 6, a clamping block 7, a dust screen 8, a magnet 9, a limiting groove 10, a limiting block 11, a ball groove 12, balls 13, supporting legs 14 and a pulling handle 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an electric directivity-adjustable loudspeaker device includes a loudspeaker body 1, wherein the loudspeaker body 1 is provided with circular truncated cone-shaped loudspeaker grooves 2 along a vertical direction, a first loudspeaker head 3 is installed in the loudspeaker groove 2 positioned below, a second loudspeaker head 5 is installed in the other loudspeaker groove 2 through an adjusting mechanism 4, and the first loudspeaker head 3 and the second loudspeaker head 5 are both connected with the loudspeaker body 1 through wires;

the adjusting mechanism 4 comprises a sliding cylinder 41, a driving motor 42, a moving plate 43, a screw 44, a connecting rod 45 and a threaded hole, the sliding cylinder 41 is installed in the acoustic groove 2, the second acoustic head 5 and the moving plate 43 are both connected with the sliding cylinder 41 in a sliding manner, the moving plate 43 is connected with the second acoustic head 5 through a plurality of connecting rods 45, the driving motor 42 is installed at the bottom in the sliding cylinder 41, the screw 44 is fixedly connected with the output end of the driving motor 42, the threaded hole is formed in the moving plate 43, the screw 44 is in threaded connection with the threaded hole, when the directivity of the loudspeaker body 1 needs to be changed, the driving motor 42 is started, the driving motor 42 drives the screw 44 to rotate, under the action of the threads, the moving plate 43 drives the second acoustic head 5 to move in the sliding cylinder 41 through the connecting rod 45, and further causes the axis of the directivity vertical to the second acoustic head 5 and the first acoustic head 3 to deviate relative to, further, the directivity of the speaker body 1 is changed, and the speaker is suitable for different use occasions.

Draw-in groove 6 has been seted up to one side symmetry of speaker main part 1, sliding connection has fixture block 7 in draw-in groove 6, the common fixedly connected with dust screen 8 of the one end of 6 tank bottoms of draw-in groove is kept away from to two fixture blocks 7, tank bottom fixedly connected with magnetite 9 of draw-in groove 6, fixture block 7 is the iron material, under the effect of magnetite 9, the stable card of fixture block 7 is in draw-in groove 6 for dust screen 8 pastes in two loudspeaker main part 1 raise sound groove 2 departments, block external dust, has played the effect of preventing the ash.

Limiting grooves 10 are symmetrically formed in the sliding barrel 41, limiting blocks 11 are connected in the limiting grooves 10 in a sliding mode, one ends, far away from the bottoms of the limiting grooves 10, of the limiting blocks 11 penetrate through notches of the limiting grooves 10 and extend outwards, the limiting blocks are fixedly connected to corresponding side walls of the second sound-emitting heads 5, and limiting effects are achieved on the second sound-emitting heads 5.

The ball groove 12 has been seted up to the one end that stopper 11 is close to the spacing groove 10 tank bottom, and ball 13 is connected with in the ball groove 12 roll, and ball 13 keeps away from the one end of ball groove 12 tank bottom and passes the notch of ball groove 12 and outwards extend, and with the tank bottom roll connection of spacing groove 10 for stopper 11 slides more smoothly in spacing groove 10.

Supporting legs 14 are fixedly connected to four corners of the bottom outside the speaker main body 1, and the supporting legs play a role in supporting the whole device.

The top end outside the loudspeaker main body 1 is fixedly connected with a pulling handle 15, so that the whole device is convenient to carry.

The utility model discloses in, when the directive property of speaker main part 1 needs to be changed, start driving motor 42, driving motor 42 drives screw rod 44 and rotates, under the effect of screw thread, movable plate 43 passes through connecting rod 45 and drives second loudspeaker head 5 and remove in slide cartridge 41, and then make and take place the skew for speaker main part 1 with the axis of perpendicular directive property between second loudspeaker head 5 and the first loudspeaker head 3, and then changed speaker main part 1's directive property, be applicable to different use occasions, under the effect of magnetite 9, the card that fixture block 7 is stable is in draw-in groove 6, make dust screen 8 paste in two loudspeaker main part 1 loudspeaker groove 2 departments, block the external dust, the effect of dust prevention has been played.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The loudspeaker device for electrically adjusting directivity comprises a loudspeaker main body (1) and is characterized in that the loudspeaker main body (1) is internally provided with a circular truncated cone-shaped loudspeaker groove (2) symmetrically along the vertical direction, a first loudspeaker head (3) is arranged in the loudspeaker groove (2) positioned below the loudspeaker groove, a second loudspeaker head (5) is arranged in the other loudspeaker groove (2) through an adjusting mechanism (4), and the first loudspeaker head (3) and the second loudspeaker head (5) are both connected with the loudspeaker main body (1) through wires;

adjustment mechanism (4) are including slide cartridge (41), driving motor (42), movable plate (43), screw rod (44), connecting rod (45) and screw hole, slide cartridge (41) are installed in loudspeaker groove (2), second loudspeaker head (5) and movable plate (43) all with slide cartridge (41) internal sliding connection, movable plate (43) are connected with second loudspeaker head (5) through a plurality of connecting rod (45), driving motor (42) install the bottom in slide cartridge (41), screw rod (44) fixed connection is at the output of driving motor (42), the screw hole is seted up on movable plate (43), screw rod (44) and screw hole threaded connection.

2. The speaker device according to claim 1, wherein a clamping groove (6) is symmetrically formed in one side of the speaker body (1), a clamping block (7) is slidably connected in the clamping groove (6), one end of each of the two clamping blocks (7) far away from the bottom of the clamping groove (6) is fixedly connected with a dust screen (8), a magnet (9) is fixedly connected to the bottom of the clamping groove (6), and the clamping blocks (7) are made of ferrous materials.

3. The loudspeaker device for electrically adjusting directivity according to claim 1, wherein a limiting groove (10) is symmetrically formed in the slide cylinder (41), a limiting block (11) is slidably connected in the limiting groove (10), one end of the limiting block (11) far away from the bottom of the limiting groove (10) penetrates through a notch of the limiting groove (10) and extends outwards, and is fixedly connected to a corresponding side wall of the second sound-emitting head (5).

4. The loudspeaker device for electrically adjusting directivity according to claim 3, wherein a ball groove (12) is formed at one end of the limiting block (11) close to the bottom of the limiting groove (10), a ball (13) is connected in the ball groove (12) in a rolling manner, and one end of the ball (13) far away from the bottom of the ball groove (12) passes through the notch of the ball groove (12) and extends outwards and is connected with the bottom of the limiting groove (10) in a rolling manner.

5. The speaker device for electrically adjusting directivity according to claim 1, wherein supporting legs (14) are fixedly connected to four corners of the bottom outside the speaker body (1).

6. An electric directivity-adjusting speaker device according to claim 1, wherein a pulling handle (15) is fixedly connected to the outer top end of the speaker body (1).