WO2006060938A1

WO2006060938A1 - A rotatable speaker box

Info

Publication number: WO2006060938A1
Application number: PCT/CN2005/000445
Authority: WO
Inventors: Zhiming Zhang
Original assignee: Zhiming Zhang
Priority date: 2004-12-08
Filing date: 2005-04-05
Publication date: 2006-06-15
Also published as: CN1633209A

Abstract

A rotatable speaker box comprises a main box and a pair of loudspeaker boxes connected to the main box. There are several holes in the main box and a rotatable shaft coupled with the holes in the main box in bottom of loudspeaker boxes. The loudspeaker boxes are connected to the main box by the rotatable shaft respectively. This invention provides a rotatable speaker box which is simple in construction, reasonable in configuration and can be rotated freely in the direction in parallel with loudspeaker. This invention resolves the problems of complexity in construction and unconvenience in portability in prior art.

Description

Rotary sound box

The invention relates to a speaker type speaker, in particular to a rotary speaker. Background technique

Speakers are now more than just speakers for audio equipment. Today, in the development of electro-acoustic technology, a wide range of applications are widely used in IP, communications, computers, etc. The styles of the speakers are very different and each has its own merits. The audio equipment used in home theaters and the like is mostly a vertical box shape. In a small speaker, the speakers are often fixed on the desktop, which is inconvenient to carry, and the problem of different speaker angles for different sound effects cannot be solved. There are also small angle-adjustable small speakers that are angled by additional brackets and are more complex. For example, someone applied for a patent: "A Rotary Speaker with Adjustable Bracket (CN2662578Y)", which consists of a loudspeaker, a bracket and a speaker. The upper part of the bracket is provided with a shaft hole, and the upper part is convex and has a longitudinal through hole. One end of the two cross-bars is mounted on the upper end of the cross-bar. The speaker can be rotated in the range of plus or minus 180 degrees. There is one rotating shaft on each side of the loudspeaker. The bracket can be rotated 120 degrees around the rotating axis. . The speaker structure is more complicated, using the lever of the bracket for rotation and stretching, and the direction of rotation is perpendicular to the speaker of the speaker.

Disclosure of invention

The invention mainly provides a rotatable speaker which is simple in structure, reasonable in arrangement, and free to rotate the angle of the speaker in a direction parallel to the speaker; and solves the technical problems in the prior art that the structure is complicated and inconvenient to carry. The above technical problem of the present invention is mainly solved by the following technical solutions: a rotating sound box, comprising a main box body and a speaker box body connected thereto, wherein the main box body is provided with a plurality of holes, The end of the speaker box is provided with a rotating shaft that cooperates with a hole in the main box body, and the speaker box body is connected to the main box body through the rotating shaft. Through the cooperation of the hole on the main box body and the rotating shaft on the speaker box body, the speaker box body can be rotated 180 degrees in a plane parallel to the main box body, and the user can adjust the angle according to the different requirements of the speaker quality. The speaker cabinet is folded on the main cabinet by rotation to reduce the volume of the entire speaker device, and is convenient to carry.

The hole in the main casing may be a through hole or a stepped hole. Preferably, the hole in the main casing is a stepped hole, and the corresponding rotating shaft is a stepped shaft. The stepped holes are arranged to make the connection and positioning better, and the diameter of the holes is 1 cm - 5 cm.

The number of holes depends on the number of speakers installed. It can be one, two or more. The holes in the main box can be placed in the middle of the main box or at the two ends of the main box. . Preferably, the main box body has two holes, and the two holes are disposed at two ends of the main box body, and two speaker boxes are symmetrically disposed at two ends of the main box body. The position of the hole is determined by the position of the speaker box. It is set at both ends. The mutual influence of the two speaker cabinets is relatively small, and the installation is also convenient. The number of holes is two, that is, the number of the speaker cabinets is Two, two speakers are one of the most conventional and used configurations.

Two speaker cabinets are connected to the main box body, and the speaker box body is folded on the main box body by the cooperation of the rotating shaft and the holes, and the length of the speaker box body is not more than half of the length of the main box body. Preferably, the sum of the lengths of the two speaker boxes provided at the two ends of the main box body is smaller than the length of the main box body. Since the manufacturing is always errory, the length of the speaker box is made slightly shorter than half the length of the main box, so that the speaker box is folded over the main box. The length of the main box ranges from 18cm to 38cm. 5厘米_10厘米。 The speaker box having a length of 5cm - 19cm, a width of 5. 5cm_10cm.

The end face of the rotating shaft on the speaker case may be a smooth flat surface, and a thousand pin shafts and small holes may be provided thereon. The diameter of the pin can be the same or it can be inconsistent in diameter. Preferably, the end surface of the rotating shaft is provided with two pins and two small holes, and the diameter of the pin is one big and one small. The number of pins and small holes is two. The pin shaft is arranged for positioning with the baffle, two small holes, and one is a connecting hole which is provided by connecting the rotating shaft through the hole and connecting with the baffle. The other is to connect the wires in the main box to the wire holes in the speaker box. The two pin diameters are made to different sizes in order to meet the needs of assembly, so that the left and right speaker cabinets are not reversed, resulting in different sound quality effects; at the same time, the flaps are not reversed, thereby preventing the rotation angle. s difference.

The speaker box and the main box body are connected by a hole and a shaft. After the shaft passes through the hole, preferably, a hole is disposed on a side of the hole facing away from the speaker box, and the diameter thereof is larger than that on the main box body. The diameter of the hole, the flap is fixed to the top end of the rotating shaft. The flaps are set to better secure the relative position of the shaft and the hole for a more secure connection.

Preferably, the blocking piece is provided with a plurality of holes corresponding to the pin shaft and the small hole of the end surface of the rotating shaft, and the outer edge is provided with a plurality of protrusions. The baffle is provided with four holes, two of which are matched with the pin shaft on the rotating shaft, one of the other two is a wire hole, and the other is a connecting hole; the outer edge is provided with a plurality of protrusions for limiting the rotation axis The rotation angle is rotated within a range of 180 degrees. The rotation angle is limited to prevent irregular rotation for many times. It is easy to wrap the wires back and forth, causing the wires to break, thereby causing the speaker to fail.

The main box and the speaker box are coupled by a shaft and a hole to be rotated, and the shaft can be directly in contact with the hole, or a washer can be added between the two. Preferably, in the main A 0-type elastic ring having a diameter larger than the gap diameter is disposed in the gap between the hole of the box body and the shaft of the speaker box body. The elastic ring is arranged to form a tight fit between the hole and the shaft. After the angle of rotation, the rotating box can maintain this angle. If the shaft and the hole are directly matched, whether it is a transition fit or an interference fit, it is not used. Once, it will wear out, so that the rotating box cannot be positioned.

The speakers can be placed directly through the plane defined by the main cabinet and the speaker cabinet, or a support bracket can be attached to the main cabinet. Preferably, the lower end of the main box body is connected with a rotatable support frame, the shape of the support frame is the same as the outer contour of the main box body, and the support box socket is arranged in the middle of the side of the main box body facing away from the speaker box body. The bottom surface of the support seat provided thereon is a horizontal support surface. The shape of the support frame is the same as that of the main box body, and its size is slightly larger than the outer contour of the main box body, and can be fastened to the main box body by the plug and the rotating shaft of the main box body, and is convenient to carry, in order to enhance the supporting effect, and The weight of the base is increased, and the sound quality is enhanced; a socket for supporting the seat is arranged on the back of the main box, and a support base is connected. The bottom surface of the support seat is a plane, which is at an angle to the end surface of the connection hole.

Therefore, the invention has the advantages of simple structure, reasonable arrangement, convenient carrying, and can be rotated 180 degrees in the parallel direction of the speaker box, and the angle of the box is adjusted according to the different requirements of the sound quality.

At the same time, the invention also has the advantages of stable support, good sound quality and adjustable positioning position.

BRIEF DESCRIPTION OF THE DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front elevational view showing the entire main cabinet of a rotary cabinet of the present invention at 90 degrees to the speaker cabinet.

2 is a cross-sectional view of the main housing of the rotary speaker of the present invention at an angle of 90 degrees to the speaker housing at 90 degrees. Fig. 3 is a front elevational view showing the entire main body of the rotary speaker of the present invention and the speaker case being fastened together.

Fig. 4 is a rear elevational view showing the entire main body of the rotary speaker of the present invention and the speaker case being fastened together.

Figure 5 is a rear elevational view of the speaker cabinet of a rotary horn of the present invention.

Fig. 6 is a structural schematic view of a flap of a rotary speaker of the present invention.

Figure 7 is a rear elevational view of the main housing of a rotary speaker of the present invention. Best way to implement the invention

The technical solutions of the present invention will be further specifically described below by way of embodiments and with reference to the accompanying drawings.

Example 1:

As shown in Figures 1 and 2, a rotary speaker includes a main housing 1, a speaker housing 2, a support frame 3, a blocking piece 4, and the like. The main body is 18cm long and is composed of a front cover and a rear cover. There are two stepped holes 5 at both ends of the front cover. The center distance between the two holes 5 is 15cm, and the hole 5 has a diameter of lcm. The stepped hole 5 on the main casing 1 cooperates with the speaker case 2. The upper rotating shaft 6 and the speaker box body 2 have a length of 9 cm. The two speaker cabinets 2 are respectively disposed at two ends of the main box body 1. The rotation of the rotating shaft 6 and the holes 5 allows the speaker box body 2 to be in the main box. The 180 degree rotation of the body 1 in the plane, the length of the two speaker cabinets 2 is less than half the length of the main casing 1. The speaker box 2 can be rotated in the same plane as the main box body 1 to reduce the volume and be easy to carry (as shown in Figures 3 and 4). There are two short pins 7 on the end surface of the rotating shaft 6 of the speaker box 2. The diameter of the pin 7 is different, one big and one small, so that the speaker is not reversed; two holes are also provided on the end surface 8, one of which is used to screw the screw, the rotating shaft 6 is fixed to the hole 5, and the other is used to place a wire connecting the main casing 1 and the horn casing 2 (as shown in Fig. 5). After the rotating shaft 6 is inserted into the hole 5, a baffle 4 is disposed in the main casing 1, the diameter of the baffle 4 is larger than the diameter of the stepped hole 5 on the main casing 1, and the baffle 4 is provided with four a hole 9, two of which cooperate with the pin 7 for positioning the relative position of the rotating shaft 6 and the hole 5; the other two holes have the same function as the two holes 8 on the end face of the rotating shaft 6 of the horn casing 2 One makes a wire hole and one makes a connection hole (as shown in Figure 6). 4 support points 10 are provided on the surface of the stepped hole 5 and the baffle 4, and the baffle 4 and the hole 5 are in point contact, which can reduce friction, and the speaker case 2 is more easily rotated, and at the end of the rotary shaft 6 There are also four support points 16 distributed in the cross, so that the main box body 1 and the speaker box 2 are also in point contact, which reduces the friction and makes the rotation more flexible. An O-shaped elastic ring 11 is disposed in the gap between the hole 5 of the main casing 1 and the rotating shaft 6 of the horn casing 2, and the cross-sectional area of the elastic ring 11 is larger than the gap between the hole 5 and the rotating shaft 6 of the horn casing 2. The cross-sectional area of the elastic ring 11 is set to make the main casing 1 and the horn casing 2 rotate better. After the rotating shaft 6 is engaged with the hole 5 in the main box body, the elastic ring 11 is placed in the gap, and then the blocking piece 4 is fastened, and the screw is tightened through the screw hole on the blocking piece 4 to connect the main box body 1 and the speaker box. Body 2 is fixed. Two protrusions are arranged on the flap 4, and one is a stop protrusion 12 for limiting the rotation angle of the speaker box. Therefore, two stop pins are provided on the edge of the inner surface of the front cover of the main box body. The column 13 (as shown in Fig. 7) reaches the end of the rotation when the stop projection 12 is rotated thereto; the other is an anti-rebound clamping projection 14 which is provided to prevent the rotation from being rebounded in place. .

In order to better support the speaker, a support frame 3 is arranged at the lower end of the main box body 1. The support frame 3 has the same shape as the main box body, and can be folded into the steel tube on the main box body 1, which can be wound around the main body. The lower end of the casing 1 rotates. In order to strengthen the support, a support seat is provided on the back cover surface of the main cabinet. The jack 15 is inserted into the main box 1 to better maintain the fixedness of the speaker. A battery holder is further disposed on the back cover of the main cabinet 1.

Example 2:

As shown in Figures 1 and 2, a rotary speaker includes a rotary speaker including a main cabinet 1, a speaker cabinet 2, a support frame 3, a shutter 4, and the like. The main casing 1 is 21 cm long and is composed of a front cover and a rear cover. Two stepped holes 5 are provided at both ends of the front cover. The center distance between the two holes 5 is 17 cm, and the hole 5 has a diameter of 2.56 cm. The stepped hole 5 on the main casing 1 is matched with the speaker box. The rotating shaft 6 on the 2, the length of the speaker box 2 is llcm. The rest is the same as in the first embodiment.

Example 3:

As shown in Figures 1 and 2, a rotary speaker includes a rotary speaker including a main cabinet 1, a speaker cabinet 2, a support frame 3, a shutter 4, and the like. The main casing 1 is 38 cm long and is composed of a front cover and a rear cover. Two stepped holes 5 are provided at both ends of the front cover, the center distance of the two holes 5 is 28 cm, and the hole 5 has a diameter of 5 cm. The stepped hole 5 on the main casing 1 is matched with the speaker case 2 The upper rotating shaft 6, the speaker housing 2 has a length of 19 cm. The rest is the same as in the first embodiment.

Claims

Rights request

A rotating sound box comprising a main box body (1) and a speaker box body (2) connected thereto, characterized in that: the main box body (1) is provided with a plurality of holes (5), The end of the speaker box (2) is provided with a rotating shaft (6) that cooperates with a hole (5) in the main box body (1), and the speaker box body (2) passes through the rotating shaft (6) and the main box body. (1) Connection.

A rotary speaker according to claim 1, characterized in that: the hole (5) in the main casing (1) is a stepped hole, and the corresponding rotating shaft (6) is a stepped shaft.

3. A rotating sound box according to claim 2, characterized in that: the main housing (1) has two holes (5), and the two holes (5) are arranged in the main housing ( At both ends of 1), two speaker cabinets (2) are symmetrically arranged at both ends of the main casing (1).

The rotary speaker according to claim 3, wherein: the sum of the lengths of the two speaker boxes (2) disposed at the two ends of the main box body (1) is smaller than the main box body (1) length.

The rotary speaker according to claim 1, characterized in that: the end surface of the rotating shaft (6) is provided with two pins (7) and two small holes (8), and the pin shaft (7) The diameter of the one is large and one small.

6. A rotating sound box according to claim 1 or 2 or 3 or 4 or 5, characterized in that: a blocking piece (4) is arranged on one side of the hole facing away from the speaker box (2), The diameter is larger than the diameter of the hole (5) in the main casing (1), and the flap (4) is fixed to the top end of the rotating shaft (6).

The rotary horn according to claim 6, characterized in that: the blocking piece (4) is provided with a pin (7) and a small hole (8) corresponding to the end surface of the rotating shaft (6). A plurality of holes (9) have a plurality of protrusions on the outer edge thereof.

8. A rotary horn according to claim 1 or 2 or 3 or 4 or 5, characterized by: rotation of the hole (5) of the main casing (1) and the horn casing (2) The shaft (6) is provided with a 0-type elastic ring (11) having a diameter larger than the gap diameter in the matching gap.

9. A rotary horn according to claim 7, wherein: the hole (5) of the main casing (1) and the rotating shaft (6) of the horn casing (2) are fitted in a gap There is a 0-type elastic ring (11) with a diameter larger than the gap diameter.

10. A rotating sound box according to claim 9, wherein: the lower end of the main box body (1) is connected with a rotatable support frame (3), the shape of the support frame (3) and the main box The outer contour of the body (1) is the same, and the support box socket (15) is provided in the middle of the side of the main box body (1) facing away from the speaker box body (2), and the bottom surface of the support seat provided thereon is horizontally supported. surface.