Bass acoustic filter

Abstract

The utility model provides a bass acoustic filter, which comprises a box body, and loudspeakers are arranged on the left side and the right side of the bottom of the inner wall of the box body; the partition plate is arranged in the box body; and the number of the moving assemblies is two, each moving assembly comprises a moving groove, the interior of each moving groove is slidably connected with a moving block, and one side of each moving block is connected with one end of the corresponding partition plate. According to the bass acoustic filter provided by the utility model, the moving grooves and the moving blocks are arranged on the front side and the rear side of the inner wall of the box body to be matched with the partition plates for use, and the partition plates between the two loudspeakers can be adjusted according to the mounting positions of the two loudspeakers in the box body, so that the bass acoustic filter can adapt to adjustment and use at various positions.

Description

Technical Field

[0001] The utility model relates to the field of audio equipment, in particular to a bass acoustic filter. Background Art

[0002] Due to the unique advantages of the bass reflex speaker structure, it is widely used in the structural design of speakers. The existing bass reflex speaker design divides the speaker box into multiple cavities or divides the internal space of the box into multiple sound guide channels with sound insulation boards, or places sound absorbing materials in the box to enhance damping. Such a design is not only complex in structure, but also increases the edges and corners in the box, which is prone to harmful standing waves. In addition, the division increases the number of box interfaces, which increases the risk of air leakage in the box.

[0003] The patent application with publication number CN202696863U proposed in the prior art has obvious phase inversion effect through the phase inversion tube, good low-frequency response, and combines sounds of different frequency bands through the combination of tweeters and mid-woofers, weakens the distortion produced by the sound source and the power amplifier, reduces the sound of harmful sound waves, widens the bandwidth, balances the sound pressure, reduces distortion, improves the electro-acoustic quality, simplifies the structure of the speaker, and saves costs.

[0004] However, in order to prevent the sounds from mixing, current devices install bass reflex tubes inside the devices for separation. However, current bass reflex tubes are fixedly installed, and the positions of the speakers installed inside the devices are different, so the bass reflex tubes cannot be adjusted according to the positions of the speakers.

[0005] Therefore, it is necessary to provide a bass acoustic filter to solve the above technical problems. Utility Model Content

[0006] The utility model provides a bass acoustic filter, which solves the problem that the inverted tube is fixedly installed in the prior art, and the positions of the loudspeakers installed inside the device are different, so the inverted tube cannot be adjusted according to the installation position of the loudspeaker.

[0007] In order to solve the above technical problems, the utility model provides a bass acoustic filter, comprising:

[0008] A box body, wherein speakers are installed on the left and right sides of the bottom of the inner wall of the box body;

[0009] A partition, the partition being arranged inside the box;

[0010] The movable assembly is two in number and comprises a movable groove, a movable block is slidably connected inside the movable groove, and one side of the movable block is connected to one end of the partition.

[0011] Preferably, sealing gaskets are bonded to both left and right sides of the partition surface.

[0012] Preferably, a fixing component is provided on the surface of the partition, and the fixing component includes a rotating seat, one side of the rotating seat is connected to an L-shaped fixing block, and one side of the L-shaped fixing block is connected to a magnetic block.

[0013] Preferably, a magnetic plate is magnetically attracted to one side of the magnetic block, and the magnetic plate is connected to the inner wall of the box.

[0014] Preferably, a cover plate is provided on the top of the box body, and baffles are connected to the upper parts of the left and right sides of the inner wall of the box body.

[0015] Preferably, a disassembly assembly is provided between the partition and the sealing gasket, the disassembly assembly comprises a disassembly groove, a disassembly block is provided inside the disassembly groove, and one end of the disassembly block is connected to the sealing gasket.

[0016] Preferably, rubber pads are bonded to both left and right sides of the inner wall of the disassembly groove.

[0017] Compared with the related art, the bass acoustic filter provided by the utility model has the following beneficial effects:

[0018] The utility model provides a bass acoustic filter. Moving grooves and moving blocks are arranged on the front and rear sides of the inner wall of the box to cooperate with the partition plate. The partition plate between the two speakers can be adjusted according to the installation positions of the two speakers inside the box, so that it can adapt to the adjustment and use of various positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic structural diagram of a first embodiment of a bass acoustic filter provided by the utility model;

[0020] Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown;

[0021] Figure 3 for Figure 1 A schematic diagram of the overall three-dimensional structure of the device shown;

[0022] Figure 4 A schematic structural diagram of a second embodiment of a bass acoustic filter provided by the utility model;

[0023] Figure 5 for Figure 4 An enlarged schematic diagram of part B is shown.

[0024] Numbers in the figure: 1, box, 2, speaker, 3, partition,

[0025] 4. Mobile assembly, 41. Mobile slot, 42. Mobile block,

[0026] 5. Fixing assembly, 51. Rotating seat, 52. L-shaped fixing block, 53. Magnetic plate, 54. Magnetic block,

[0027] 6. Baffle, 7. Cover, 8. Sealing gasket,

[0028] 9. Disassembly assembly, 91. Disassembly slot, 92. Disassembly block, 93. Rubber pad. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and implementation modes. Example

[0030] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic structural diagram of a first embodiment of a bass acoustic filter provided by the utility model; Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 3 for Figure 1 A bass acoustic filter, comprising:

[0031] A box body 1, wherein speakers 2 are installed on the left and right sides of the bottom of the inner wall of the box body 1;

[0032] A partition 3, wherein the partition 3 is arranged inside the box body 1;

[0033] The moving components 4 are two in number, and the moving components 4 include a moving groove 41 , a moving block 42 is slidably connected inside the moving groove 41 , and one side of the moving block 42 is connected to one end of the partition 3 .

[0034] Sealing pads 8 are bonded to both left and right sides of the surface of the partition plate 3 .

[0035] A fixing assembly 5 is disposed on the surface of the partition 3 . The fixing assembly 5 includes a rotating seat 51 . One side of the rotating seat 51 is connected to an L-shaped fixing block 52 . One side of the L-shaped fixing block 52 is connected to a magnetic attraction block 54 .

[0036] An installation groove compatible with the magnetic plate 53 is opened on the inner wall of the box body 1, and the magnetic block 54 and the magnetic plate 53 are attracted to each other by opposite charges. The movable groove 41 is opened on the inner wall of the box body 1, and the rotating seat 51 is connected to the surface of the partition 3. The use of the baffle 6 can mix the sounds produced by the two speakers 2 when they are emitted.

[0037] A magnetic plate 53 is magnetically attracted to one side of the magnetic block 54 , and the magnetic plate 53 is connected to the inner wall of the box body 1 .

[0038] A cover plate 7 is disposed on the top of the box body 1 , and baffle plates 6 are connected to the upper sides of the left and right sides of the inner wall of the box body 1 .

[0039] The working principle of a bass acoustic filter provided by the utility model is as follows:

[0040] During use, when the partition 3 is adjusted, first, the L-shaped fixed block 52 with the magnetic block 54 is separated from the magnetic plate 53 on the inner wall of the box body 1 through the rotating seat 51. After the magnetic block 54 is separated from the magnetic plate 53, the partition 3 is pulled to be adjusted under the action of the moving block 42 and the moving groove 41. When the partition 3 is adjusted to a suitable position, the L-shaped fixed block 52 with the magnetic block 53 is magnetically fixed to the magnetic plate 53 on the inner wall of the box body 1 through the rotating seat 51.

[0041] Compared with the related art, the bass acoustic filter provided by the utility model has the following beneficial effects:

[0042] The utility model provides a bass acoustic filter. A movable groove 41 and a movable block 42 are arranged on the front and rear sides of the inner wall of a box body 1 for use with a partition plate 3. The partition plate 3 between the two speakers 2 can be adjusted according to the installation positions of the two speakers 2 inside the box body 1, so that the filter can be adjusted and used in various positions. Example

[0043] Please refer to Figure 4 and Figure 5 Based on the bass acoustic filter provided by the first embodiment of the present application, the second embodiment of the present application provides another bass acoustic filter. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0044] Specifically, the difference of a bass acoustic filter provided in the second embodiment of the present application is that, in a bass acoustic filter, a disassembly assembly 9 is arranged between the partition 3 and the sealing gasket 8, and the disassembly assembly 9 includes a disassembly groove 91, and a disassembly block 92 is arranged inside the disassembly groove 91, and one end of the disassembly block 92 is connected to the sealing gasket 8.

[0045] The disassembly groove 91 is provided on the side of the partition 3 . The disassembly groove 91 and the disassembly block 92 are in a T-shape. The rubber pad 93 can play a role of squeezing and fixing when the disassembly block 92 is installed inside the disassembly groove 91 .

[0046] Rubber pads 93 are bonded to both left and right sides of the inner wall of the disassembly groove 91 .

[0047] The working principle of a bass acoustic filter provided by the utility model is as follows:

[0048] When in use, when the sealing gasket 8 on the surface of the partition 3 is disassembled and replaced, the sealing gasket 8 is pulled to move upward on the surface of the partition 3. When the sealing gasket 8 moves upward, the disassembly block 92 on one side is separated from the disassembly groove 91 opened on the surface of the partition 3.

[0049] Compared with the related art, the bass acoustic filter provided by the utility model has the following beneficial effects:

[0050] The utility model provides a bass acoustic filter. A disassembly groove 91, a disassembly block 92 and a rubber pad 93 are arranged between a partition plate 2 and a sealing pad 8 so that the sealing pad 8 can be disassembled and replaced when it is damaged after long-term use.

[0051] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A bass acoustic filter, characterized in that: include: A box body, wherein speakers are installed on the left and right sides of the bottom of the inner wall of the box body; A partition, the partition being arranged inside the box; The movable assembly is two in number and comprises a movable groove, a movable block is slidably connected inside the movable groove, and one side of the movable block is connected to one end of the partition.

2. The bass acoustic filter according to claim 1, characterized in that Sealing pads are bonded to both left and right sides of the partition surface.

3. The bass acoustic filter according to claim 1, characterized in that A fixing assembly is arranged on the surface of the partition, and the fixing assembly comprises a rotating seat, one side of the rotating seat is connected to an L-shaped fixing block, and one side of the L-shaped fixing block is connected to a magnetic attraction block.

4. The bass acoustic filter according to claim 3, characterized in that A magnetic attraction plate is magnetically attracted to one side of the magnetic attraction block, and the magnetic attraction plate is connected to the inner wall of the box body.

5. The bass acoustic filter according to claim 1, characterized in that A cover plate is arranged on the top of the box body, and baffle plates are connected to the upper parts of the left and right sides of the inner wall of the box body.

6. The bass acoustic filter according to claim 2, characterized in that A disassembly assembly is arranged between the partition and the sealing gasket, and the disassembly assembly comprises a disassembly groove, a disassembly block is arranged inside the disassembly groove, and one end of the disassembly block is connected to the sealing gasket.

7. The bass acoustic filter according to claim 6, characterized in that Rubber pads are bonded to the left and right sides of the inner wall of the disassembly groove.

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