CN216960168U

CN216960168U - Prevent audio amplifier of vibrations interference

Info

Publication number: CN216960168U
Application number: CN202123149528.XU
Authority: CN
Inventors: 游辉彬
Original assignee: Dongguan Yingli Electronics Co ltd
Current assignee: Dongguan Yingli Electronics Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-07-12
Anticipated expiration: 2031-12-15

Abstract

The utility model provides a loudspeaker box capable of preventing vibration interference, which comprises a machine box, a tweeter and a woofer, wherein the tweeter and the woofer are positioned on the inner side of the machine box and are positioned on the same central axis, the machine box comprises a lower box body and an upper cover, the tweeter is fixed in an inner cavity of the lower box body, the woofer is fixed on the inner side of the upper cover, a first gasket is further arranged in the inner cavity of the lower box body, the tweeter is fixed at the upper end of the first gasket, a second gasket is further arranged at the joint of the lower box body and the upper cover, and a plurality of sound holes are formed in four side surfaces of the upper cover. The loudspeaker box separates the high pitch loudspeaker from the low pitch loudspeaker, so that the high pitch loudspeaker and the low pitch loudspeaker are not interfered with each other, and the sound quality effect of the loudspeaker box is ensured.

Description

Prevent audio amplifier of vibrations interference

Technical Field

The utility model relates to the technical field of sound boxes, in particular to a sound box capable of preventing vibration interference.

Background

A sound box is a common electronic product. The conventional sound box is generally provided with a loudspeaker, and the structure is monotonous. In order to endow the loudspeaker with better tone quality, a coaxial loudspeaker is provided, wherein a high pitch loudspeaker and a low pitch loudspeaker are arranged on the same central axis, the high pitch loudspeaker is used for amplifying high-frequency signals, and the low pitch loudspeaker is used for amplifying low-frequency signals. The woofer is usually fixed to the tweeter and then placed in the cabinet as a whole. Due to the fact that the woofer and the tweeter are fixedly connected in the structure, vibration generated when the woofer and the tweeter work can affect each other, and then the tone quality effect is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a loudspeaker box capable of preventing vibration interference, wherein a tweeter and a woofer are separated from each other, so that the tweeter and the woofer do not interfere with each other, and the sound quality effect of the loudspeaker box is ensured.

In order to achieve the purpose, the utility model is solved by the following technical scheme:

the utility model provides a prevent audio amplifier of vibrations interference, includes quick-witted case, is located the inboard loudspeaker, woofer of machine case, loudspeaker with woofer is on same axis, machine case includes box, upper shield down, loudspeaker fixes in the inner chamber of box down, woofer fixes the upper shield is inboard, still be equipped with first packing ring in the inner chamber of box down, loudspeaker fixes first packing ring upper end, down the box with the handing-over department of upper shield still is equipped with the second packing ring, four sides of upper shield all are equipped with a plurality of sound holes.

Specifically, the inner side of the upper cover is connected with an installation frame, and the woofer is fixed on the installation frame.

Specifically, a mounting groove which is sunken downwards is formed in the upper end of the upper cover, a key module is arranged in the mounting groove, and the horizontal height of the upper end face of the key module is lower than that of the upper end face of the upper cover.

Specifically, the machine is provided with a circuit board in the machine case, the high pitch loudspeaker, the low pitch loudspeaker and the key module are electrically connected with the circuit board, the circuit board is provided with an input module, the input module comprises a power socket and a signal socket, and a side face of the lower case body is provided with a through hole for the power socket and the signal socket to pass through.

Specifically, loudspeaker includes first support, fixes first U iron, the position of first U iron inboard first magnet, first china department, first voice coil loudspeaker voice coil, connection are in first vibrating diaphragm of first voice coil loudspeaker voice coil upper end.

Specifically, the woofer comprises a second support, a second U-shaped iron fixed on the inner side of the second support, a second magnet located on the inner side of the second U-shaped iron, a second washer, a second voice coil and a second vibrating diaphragm connected to the upper end of the second voice coil.

The utility model has the beneficial effects that:

1. according to the loudspeaker box, the high pitch loudspeaker is fixed in the inner cavity of the lower box body, the low pitch loudspeaker is fixed on the inner side of the upper cover, so that the high pitch loudspeaker is separated from the low pitch loudspeaker, the second gasket is further arranged at the joint of the lower box body and the upper cover, the second gasket has a good anti-seismic effect, the high pitch loudspeaker and the low pitch loudspeaker are not interfered with each other, and the tone quality effect of the loudspeaker box is guaranteed;

2. the upper cover upper end is formed with the mounting groove of undercut, sets up button module in the mounting groove to the level of button module up end is less than the level of upper cover up end, thereby avoids the mistake to touch the button.

Drawings

Fig. 1 is a three-dimensional structure diagram of a sound box for preventing vibration interference according to the present invention.

Fig. 2 is a top view of the sound box for preventing vibration interference according to the present invention.

Fig. 3 is a cross-sectional view taken along the plane a-a in fig. 2.

The reference signs are: case 1, lower box 11, upper shield 12, sound hole 121, mounting bracket 122, tweeter 2, woofer 3, first packing ring 4, second packing ring 5, button module 6, supply socket 7, signal socket 8.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-3:

a sound box for preventing vibration interference comprises a machine case 1, a tweeter 2 and a woofer 3 which are positioned on the inner side of the machine case 1, the tweeter 2 and the woofer 3 are positioned on the same central axis, the tweeter 2 is responsible for amplifying high-frequency signals, the woofer 3 is responsible for amplifying low-frequency signals, the machine case 1 comprises a lower box body 11 and an upper cover 12, the tweeter 2 is fixed in the inner cavity of the lower box body 11, the woofer 3 is fixed on the inner side of the upper cover 12, in order to improve the anti-vibration effect of the tweeter 2, a first gasket 4 is also arranged in the inner cavity of the lower box body 11, the tweeter 2 is fixed at the upper end of the first gasket 4, a second gasket 5 is also arranged at the joint of the lower box body 11 and the upper cover 12, the second gasket 5 has good anti-vibration effect, so that the tweeter 2 and the woofer 3 do not interfere with each other, the sound quality effect of the sound box is ensured, a plurality of sound holes 121 are arranged on four side surfaces of the upper cover 12, the sound played by the tweeter 2 and the woofer 3 passes through the sound hole 121 and is transmitted to the outside.

Preferably, a mounting bracket 122 is connected to the inner side of the upper cover 12, and the woofer 3 is fixed to the mounting bracket 122.

Preferably, an installation groove which is sunken downwards is formed at the upper end of the upper cover 12, a key module 6 is arranged in the installation groove, and the horizontal height of the upper end surface of the key module 6 is lower than that of the upper end surface of the upper cover 12, so that the key is prevented from being touched by mistake.

Preferably, a circuit board is further arranged in the case 1, the tweeter 2, the woofer 3 and the key module 6 are electrically connected with the circuit board, an input module is arranged on the circuit board, the input module comprises a power socket 7 and a signal socket 8, and a through hole through which the power socket 7 and the signal socket 8 pass is formed in one side surface of the lower case body 11.

Preferably, the tweeter 2 includes a first bracket, a first U-shaped iron fixed inside the first bracket, a first magnet located inside the first U-shaped iron, a first washer, a first voice coil, and a first diaphragm connected to an upper end of the first voice coil.

Preferably, the woofer 3 includes a second bracket, a second U-shaped iron fixed on the inner side of the second bracket, a second magnet located on the inner side of the second U-shaped iron, a second washer, a second voice coil, and a second diaphragm connected to the upper end of the second voice coil.

The above embodiment only expresses one embodiment of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a prevent audio amplifier that vibrations disturbed, its characterized in that includes quick-witted case (1), is located machine case (1) inboard tweeter (2), woofer (3), tweeter (2) with woofer (3) are on same axis, machine case (1) is including lower box (11), upper shield (12), tweeter (2) are fixed in the inner chamber of lower box (11), woofer (3) are fixed upper shield (12) are inboard, still be equipped with first packing ring (4) in the inner chamber of lower box (11), tweeter (2) are fixed first packing ring (4) upper end, lower box (11) with handing-over department of upper shield (12) still is equipped with second packing ring (5), four sides of upper shield (12) all are equipped with a plurality of sound holes (121).

2. An enclosure as claimed in claim 1, characterised in that a mounting bracket (122) is attached to the inside of the upper enclosure (12), the woofer (3) being secured to the mounting bracket (122).

3. An anti-vibration speaker as claimed in claim 1, wherein the upper end of the upper cover (12) is formed with a mounting groove recessed downward, a key module (6) is disposed in the mounting groove, and the level of the upper end surface of the key module (6) is lower than the level of the upper end surface of the upper cover (12).

4. A sound box for preventing vibration interference according to claim 3, wherein a circuit board is further disposed in the housing (1), the tweeter (2), the woofer (3), and the key module (6) are all electrically connected to the circuit board, an input module is disposed on the circuit board, the input module includes a power socket (7) and a signal socket (8), and a through hole for the power socket (7) and the signal socket (8) to pass through is disposed on one side of the lower box (11).

5. A loudspeaker box according to claim 1, wherein the tweeter (2) comprises a first bracket, a first U-iron fixed inside the first bracket, a first magnet located inside the first U-iron, a first washer, a first voice coil, and a first diaphragm connected to an upper end of the first voice coil.

6. A loudspeaker box according to claim 1, wherein said woofer (3) comprises a second bracket, a second U-iron fixed inside said second bracket, a second magnet located inside said second U-iron, a second washer, a second voice coil, and a second diaphragm connected to the upper end of said second voice coil.