Sound box shell structure with good tightness

Abstract

The utility model relates to the technical field of sound box shells, in particular to a sound box shell structure with good tightness, which comprises a shell, a through hole is arranged at the bottom of the shell, and a sealing mechanism is arranged at the bottom of the shell; the sealing mechanism comprises a sealing block connected to the inner wall of the through hole in a clamped mode, the inner wall of the sealing block is rotationally connected with a movable disc, annularly-distributed movable holes are formed in the bottom end of the movable disc, and the inner walls of the movable holes are slidably connected with fixed blocks. The surface of the fixing block is slidably connected to the inner wall of the sealing block and clamped to the inner wall of the shell, and the inner wall of the sealing block is fixedly connected with an air cylinder. According to the device, the movable disc and the movable hole are utilized, so that the fixed block is clamped in the shell and compressed air in the air storage cylinder is conveyed into the sealed air bag, the sound box shell is quickly assembled and sealed, and the tight effect at the assembly joint of the sound box shell is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of speaker housings, in particular to a speaker housing structure with good compactness. Background Art

[0002] The speaker shell structure refers to the outer packaging or shell of the speaker. Its design and construction have an important impact on the performance and sound quality of the speaker. In order to prevent sound leakage, the speaker shell joints are usually tightened during speaker shell assembly to ensure that the sound generated inside the speaker does not overflow, thereby improving the efficiency and sound quality of the speaker.

[0003] The Chinese patent "A bass speaker" authorization announcement number "CN218416632U" uses an outer shell, mounting holes, a bottom plate, fasteners (bolts) and glue-like adhesives to seal the bottom plate installation at the bottom of the outer shell, thereby ensuring the tightness of the speaker shell after assembly.

[0004] When assembling the speaker housing, in order to ensure the tightness of the connection between the outer shell and the bottom plate, the bolts are usually over-tightened, causing the bolts to over-compress the glue layer, which can easily cause the glue layer to rupture, thereby affecting the tightness of the connection between the speaker housing.

[0005] Therefore, a compact and good speaker housing structure is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a compact speaker housing structure in order to solve the above problems, thereby improving the problem of low tightness at the connection of the speaker housing.

[0007] The utility model achieves the above-mentioned purpose through the following technical solutions: a compact speaker shell structure, comprising: a shell, a through hole is provided at the bottom of the shell, and a sealing mechanism is provided at the bottom of the shell; wherein the sealing mechanism comprises a sealing block clamped on the inner wall of the through hole, the inner wall of the sealing block is rotatably connected with a movable disk, the bottom end of the movable disk is provided with an annularly distributed movable hole, the inner wall of the movable hole is slidably connected with a fixed block, the surface of the fixed block is slidably connected to the inner wall of the sealing block and clamped to the inner wall of the shell, the inner wall of the sealing block is fixedly connected with an air storage cylinder, the inner wall of the sealing block is fixedly connected with two sealing air bags, one end of the air storage cylinder is connected to the inner wall of the sealing air bag, and the surface of the sealing block is provided with a sealing component. By using the movable disk and the movable hole, the fixed block is clamped in the shell and the compressed gas in the air storage cylinder to deliver the sealing air bag, thereby realizing the rapid assembly and sealing of the speaker shell, thereby ensuring the compact effect of the assembly connection of the speaker shell.

[0008] Preferably, the sealing assembly includes a rubber block slidably connected to the inner wall of the gas cylinder, the bottom end of the rubber block is rotatably connected to a threaded rod, and the surface of the threaded rod is threadedly connected to the gas cylinder and the inner wall of the movable disk. The movable disk, the threaded rod and the rubber block are used to push the compressed gas in the gas cylinder to the sealing airbag, thereby ensuring that the sealing airbag is stretched due to sufficient gas to seal the sealing block and the through hole, and the operation of sealing the connection of the speaker housing is simple.

[0009] Preferably, a magnetic groove is provided at the bottom end of the sealing block, and a magnetic rod is slidably connected to the inner wall of the movable disk, and the magnetic rod and the magnetic groove are attracted to each other with opposite poles.

[0010] Preferably, the inner wall of the movable disk is fixedly connected with a first spring, and the top of the first spring is fixedly connected to the bottom end of the magnetic rod. The first spring is used to stably clamp the fixed block in the housing, thereby ensuring the stability of the sealing block clamping in the through hole.

[0011] Preferably, a second spring is fixedly connected to the surface of the fixing block, and the other end of the second spring is fixedly connected to the inner wall of the sealing block. The second spring, the magnetic rod and the magnetic groove are used to lock the movable disk, thereby improving the tightness of the speaker housing assembly connection.

[0012] Preferably, the bottom end of the magnetic rod is fixedly connected with a connecting frame, and the surface of the connecting frame is slidably connected to the inner wall of the movable plate. The connecting frame is used to keep the magnetic rod away from the magnetic groove, and the operation of disassembling the speaker housing is simple.

[0013] Preferably, the inner wall of the gas storage cylinder is provided with a limiting groove, and the surface of the rubber block is slidably connected to the inner wall of the limiting groove. The limiting groove is used to limit the position of the rubber block during movement, thereby ensuring the stability of the rubber block during movement.

[0014] Preferably, both sides of the fixing block are recessed in a dovetail groove shape. By using the fixing block with recessed dovetail grooves on both sides, the stability of the fixing block being clamped in the shell is achieved, thereby ensuring the tightness of the speaker housing assembly.

[0015] The beneficial effects of the utility model are:

[0016] 1. By using the movable plate and the movable hole, the fixed block is clamped in the shell and the compressed gas delivery sealing airbag in the gas storage cylinder, thereby realizing the rapid assembly and sealing of the speaker shell, thereby ensuring the tight effect of the assembly connection of the speaker shell;

[0017] 2. The movable plate, threaded rod and rubber block are used to push the compressed gas in the gas storage cylinder into the sealing airbag, thereby ensuring that the sealing airbag is stretched due to sufficient gas to seal the sealing block and the through hole, and the operation of sealing the connection of the speaker shell is simple;

[0018] 3. The movable disk is locked by using the second spring, the magnetic rod and the magnetic groove, thereby improving the tightness of the assembly connection of the speaker housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the sealing mechanism structure of the utility model;

[0021] Figure 3 It is a cross-sectional view of the sealing block of the utility model;

[0022] Figure 4 It is a cross-sectional view of the sealing mechanism of the utility model.

[0023] In the figure: 1. shell; 2. through hole; 3. sealing mechanism; 31. sealing block; 32. movable disk; 33. movable hole; 34. fixed block; 35. air storage cylinder; 36. sealing airbag; 37. sealing assembly; 371. rubber block; 372. threaded rod; 373. second spring; 374. magnetic rod; 375. first spring; 376. magnetic groove; 377. connecting frame; 378. limiting groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] When implementing: Figure 1-4As shown, a compact sound box shell structure comprises: an outer shell 1, a through hole 2 is provided at the bottom of the outer shell 1, and a sealing mechanism 3 is arranged at the bottom of the outer shell 1; wherein, the sealing mechanism 3 comprises a sealing block 31 which is clamped on the inner wall of the through hole 2, the inner wall of the sealing block 31 is rotatably connected with a movable disk 32, the bottom end of the movable disk 32 is provided with an annularly distributed movable holes 33, the inner wall of the movable hole 33 is slidably connected with a fixed block 34, the surface of the fixed block 34 is slidably connected to the inner wall of the sealing block 31 and clamped to the inner wall of the outer shell 1, the inner wall of the sealing block 31 is fixedly connected with an air storage cylinder 35, the inner wall of the sealing block 31 is fixedly connected with two sealing air bags 36, one end of the air storage cylinder 35 is connected to the inner wall of the sealing air bag 36, the surface of the sealing block 31 is provided with a sealing assembly 37, and both sides of the fixed block 34 are recessed in the shape of a dovetail groove. Compressed gas is stored in the gas storage cylinder 35 , and a stopper is fixedly connected to the inner bottom wall of the outer shell 1 , and the stopper is used to ensure that the fixing block 34 can be accurately snapped into the outer shell 1 .

[0026] When the speaker shell needs to be assembled, after all the components in the speaker are installed in the outer shell 1, the sealing block 31 is clamped in the through hole 2 and the movable disk 32 is rotated. The rotation of the movable disk 32 drives the movable hole 33 to rotate. Since the movable hole 33 is curved in an arc shape, the movable hole 33 drives the three fixed blocks 34 to move away from the clamping in the outer shell 1 at the same time during the rotation, so that the sealing block 31 is fixed on the outer shell 1.

[0027] like Figure 3-4 As shown, the sealing assembly 37 includes a rubber block 371 slidably connected to the inner wall of the air cylinder 35, and the bottom end of the rubber block 371 is rotatably connected to a threaded rod 372. The surfaces of the threaded rod 372 are respectively threadedly connected to the inner walls of the air cylinder 35 and the movable disk 32. A limiting groove 378 is provided on the inner wall of the air cylinder 35, and the surface of the rubber block 371 is slidably connected to the inner wall of the limiting groove 378.

[0028] It should be noted that the housing 1, the sealing airbag 36 and the rubber block 371 in the above description are all relatively mature devices in the existing technology, and the specific models can be selected according to actual needs.

[0029] The movable disk 32 rotates and drives the threaded rod 372 to rotate and move upward, and the threaded rod 372 rotates and moves upward and drives the rubber block 371 to move upward. The rubber block 371 moves upward and pushes the compressed gas in the air storage cylinder 35 to be delivered to the two sealing air bags 36 respectively. Because the sealing air bags 36 have sufficient gas, they stretch and abut against the through hole 2, thereby sealing the connection between the sealing block 31 and the through hole 2.

[0030] like Figure 4As shown, a magnetic groove 376 is provided at the bottom end of the sealing block 31, and a magnetic rod 374 is slidably connected to the inner wall of the movable disk 32. The magnetic rod 374 and the magnetic groove 376 attract each other with opposite poles. A first spring 375 is fixedly connected to the inner wall of the movable disk 32, and the top end of the first spring 375 is fixedly connected to the bottom end of the magnetic rod 374. The bottom end of the magnetic rod 374 is fixedly connected to a connecting frame 377, and the surface of the connecting frame 377 is slidably connected to the inner wall of the movable disk 32.

[0031] The attraction between the magnetic rod 374 and the magnetic slot 376 is due to the interaction of the magnetic fields generated therebetween. The magnetic field generated by the magnetic rod 374 is in one direction, while the magnetic field generated by the magnetic slot 376 is in another direction. According to the law of magnetic field interaction, two objects with different magnetic field directions will attract each other.

[0032] The elastic force of the first spring 375 pushes the magnetic rod 374 to be clamped in the magnetic groove 376. Since the magnetic rod 374 and the magnetic groove 376 have opposite poles attracted to each other, the movable disk 32 is locked, so that the sealing block 31 is tightly fixed on the housing 1.

[0033] like Figure 3 As shown, a second spring 373 is fixedly connected to the surface of the fixing block 34, and the other end of the second spring 373 is fixedly connected to the inner wall of the sealing block 31. The elastic force of the second spring 373 pushes the fixing block 34 to be clamped in the housing 1, making the fixing block 34 clamped in the housing 1 more stable.

[0034] When the utility model is in use, after all the devices in the sound box are installed in the shell 1, the sealing block 31 is clamped in the through hole 2 and the movable disk 32 is rotated, the rotation of the movable disk 32 drives the movable hole 33 to rotate and the threaded rod 372 to rotate and move upward, the movable hole 33 drives the three fixed blocks 34 to move away from the clamping in the shell 1 at the same time during the rotation, so that the sealing block 31 is fixed on the shell 1, the threaded rod 372 rotates and moves upward to drive the rubber block 371 to move upward so that the compressed gas in the air storage cylinder 35 is respectively transported to the two sealing air bags 36, which stretch due to sufficient gas in the sealing air bags 36 and abut against the through hole 2 to seal the connection between the sealing block 31 and the through hole 2, the elastic force of the first spring 375 pushes the magnetic rod 374 to be clamped in the magnetic groove 376, and the magnetic rod 374 and the magnetic groove 376 attract each other due to their opposite poles, so the movable disk 32 is locked, so that the sealing block 31 is tightly fixed on the shell 1.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A compact sound box housing structure, characterized in that: include: A housing (1), wherein a through hole (2) is provided at the bottom of the housing (1), and a sealing mechanism (3) is provided at the bottom of the housing (1); The sealing mechanism (3) comprises a sealing block (31) which is clamped to the inner wall of the through hole (2); the inner wall of the sealing block (31) is rotatably connected to a movable disk (32); the bottom end of the movable disk (32) is provided with movable holes (33) distributed in an annular manner; the inner wall of the movable hole (33) is slidably connected to a fixed block (34); the surface of the fixed block (34) is slidably connected to the inner wall of the sealing block (31) and clamped to the inner wall of the housing (1); the inner wall of the sealing block (31) is fixedly connected to an air cylinder (35); the inner wall of the sealing block (31) is fixedly connected to two sealing air bags (36); one end of the air cylinder (35) is connected to the inner wall of the sealing air bag (36); and a sealing component (37) is provided on the surface of the sealing block (31).

2. A compact speaker housing structure according to claim 1, characterized in that: The sealing assembly (37) comprises a rubber block (371) slidably connected to the inner wall of the air storage cylinder (35); the bottom end of the rubber block (371) is rotatably connected to a threaded rod (372); the surface of the threaded rod (372) is threadedly connected to the inner wall of the air storage cylinder (35) and the movable disk (32) respectively.

3. A compact speaker housing structure according to claim 1, characterized in that: A magnetic groove (376) is provided at the bottom end of the sealing block (31), and a magnetic rod (374) is slidably connected to the inner wall of the movable disk (32), and the magnetic rod (374) and the magnetic groove (376) attract each other with opposite poles.

4. A compact sound box housing structure according to claim 3, characterized in that: A first spring (375) is fixedly connected to the inner wall of the movable disk (32), and the top end of the first spring (375) is fixedly connected to the bottom end of the magnetic rod (374).

5. A compact sound box housing structure according to claim 1, characterized in that: A second spring (373) is fixedly connected to the surface of the fixing block (34), and the other end of the second spring (373) is fixedly connected to the inner wall of the sealing block (31).

6. A compact sound box housing structure according to claim 4, characterized in that: The bottom end of the magnetic rod (374) is fixedly connected to a connecting frame (377), and the surface of the connecting frame (377) is slidably connected to the inner wall of the movable disk (32).

7. A compact sound box housing structure according to claim 2, characterized in that: The inner wall of the air storage cylinder (35) is provided with a limiting groove (378), and the surface of the rubber block (371) is slidably connected to the inner wall of the limiting groove (378).

8. The compact speaker housing structure according to claim 1, characterized in that: Both sides of the fixing block (34) are recessed in a dovetail groove shape.

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