Neodymium magnet structure for automobile sound box

Abstract

The utility model provides a neodymium magnet structure for an automobile sound box. The neodymium magnet structure for the automobile sound box comprises a sound box body, two sets of mounting seats are mounted at the bottom in the sound box body, limiting grooves are formed in the side walls of the two sets of mounting seats, limiting blocks are connected to the inner walls of the two sets of limiting grooves in an inserted mode, and a rectangular plate is fixedly mounted between the tops of the two sets of limiting blocks; and a neodymium magnet body is mounted at the top of the rectangular plate. According to the neodymium magnet structure for the automobile sound box provided by the utility model, the neodymium magnet body can be quickly mounted and dismounted through the interaction of the components such as the push connecting rod, the stop block I, the guide rod, the spring, the limiting groove, the rectangular plate and the limiting block, and meanwhile, the structure is simple and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of neodymium magnet installation for car speakers, in particular to a neodymium magnet structure for car speakers. Background Art

[0002] Neodymium magnets, also known as NdFeB magnets, are tetragonal crystals formed by neodymium, iron and boron. The magnetic energy product of this magnet is greater than that of samarium cobalt magnets, and it was the material with the largest magnetic energy product in the world at that time. Later, General Motors successfully developed the rotary spray melting method to produce NdFeB magnets, which are permanent magnets with magnetic properties second only to absolute zero holmium magnets and are also the most commonly used rare earth magnets. NdFeB magnets are widely used in electronic products.

[0003] The existing Chinese patent announcement number CN219478088U is a neodymium magnet structure for a car speaker, comprising a speaker body, on which a fixing mechanism is arranged; the fixing mechanism comprises a fixing frame fixedly installed inside the speaker body, two fixing blocks are fixedly installed on the top of the fixing frame, a fixing seat is fixedly installed on the top of the fixing block, a spring is fixedly installed inside the fixing seat, a moving plate is fixedly installed on the top of the spring, a rubber pad is fixedly installed on the bottom of the moving plate, a threaded rod is rotatably connected to the top of the moving plate, a rotating block is fixedly installed on the top of the threaded rod, a positioning block is fixedly installed on the top of the two fixing blocks, a positioning rod is fixedly installed on the top of the positioning block, the outer sides of the two positioning rods are movably connected with connecting blocks, and the neodymium magnet bodies are fixedly installed on the opposite sides of the two connecting blocks.

[0004] However, the above device still has a problem that when installing the neodymium magnet body, the two sets of rotating blocks need to be rotated separately so that the threaded rod drives the rubber pad to contact the connecting block through the moving plate to fix the neodymium magnet body. This installation method is not quick and convenient enough.

[0005] Therefore, it is necessary to provide a neodymium magnet structure for a car speaker to solve the above technical problems. Utility Model Content

[0006] The utility model provides a neodymium magnet structure for a car speaker, which solves the problem that the installation method of the neodymium magnet body is not quick and convenient enough.

[0007] In order to solve the above technical problems, the neodymium magnet structure for a car speaker provided by the utility model includes: a speaker body, two groups of mounting seats are installed at the bottom of the inner part of the speaker body, the side walls of the two groups of mounting seats are provided with limiting grooves, the inner walls of the two groups of limiting grooves are plugged and connected with limiting blocks, a rectangular plate is fixedly installed between the tops of the two groups of limiting blocks, the top of the rectangular plate is installed with a neodymium magnet body, the side walls of the two groups of mounting seats are fitted and slidably connected with block one, a connecting rod is installed between the two groups of block one, a plurality of groups of guide rods are fixedly installed at the bottom of the inner part of the speaker body, the two groups of block one are slidably connected with the guide rods, a spring is installed between the bottom of the inner part of the speaker body and block one, a rotating shaft one is installed on the top of the speaker body, the rotating shaft one is rotatably connected with a cover plate, and the cover plate is in fit and contact with the speaker body.

[0008] Preferably, a rectangular block is fixedly mounted on the outer wall of the speaker body, a second rotating shaft is fixedly mounted on the top of the rectangular block, a limit plate is rotatably connected to the top of the second rotating shaft, and the limit plate is in close contact with the top of the cover plate.

[0009] Preferably, a torsion spring is provided between the second rotating shaft and the limiting plate.

[0010] Preferably, a second stopper is fixedly mounted on the top of the cover plate, and the second stopper is in close contact with the side wall of the limiting plate.

[0011] Preferably, a baffle is fixedly mounted on the outer wall of the speaker body, and the baffle is in close contact with the cover plate.

[0012] Preferably, a protrusion is fixedly mounted on the top of the cover plate.

[0013] Compared with the related art, the neodymium magnet structure for the car speaker provided by the utility model has the following beneficial effects:

[0014] The utility model provides a neodymium magnet structure for a car speaker. When the neodymium magnet body needs to be installed, the cover plate is first rotated to open, and then the connecting rod is pushed downward. The connecting rod drives two groups of stoppers to move downward along the guide rod, and the spring is in an extruded state. When the stopper leaves the entrance end of the limit groove, the two groups of limit blocks installed with rectangular plates are inserted into the limit groove. The connecting rod spring is released to push the stopper to automatically reset and firmly lock the limit block in the limit groove, so that the neodymium magnet body is stably installed in the speaker body. By pushing the interaction of the connecting rod, the stopper, the guide rod, the spring, the limit groove, the rectangular plate, the limit block and other components, the neodymium magnet body can be quickly installed and disassembled, and the structure is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a neodymium magnet structure for a car speaker provided by the utility model;

[0016] Figure 2 for Figure 1 The schematic diagram of the internal structure of the speaker body shown;

[0017] Figure 3 for Figure 1 The schematic diagram of the structure of the internal structure of the limit block shown;

[0018] Figure 4 for Figure 1 An enlarged schematic diagram of part A is shown;

[0019] Figure 5 for Figure 2 An enlarged schematic diagram of part B is shown.

[0020] Numbers in the figure: 1. speaker body, 2. cover plate, 3. protrusion, 4. baffle, 5. limit block, 6. neodymium magnet body, 7. rotating shaft 1, 8. rectangular plate, 9. rectangular block, 10. mounting seat, 11. stop block 1, 12. connecting rod, 13. limit groove, 14. limit plate, 15. stop block 2, 16. rotating shaft 2, 17. guide rod, 18. spring. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a neodymium magnet structure for a car speaker provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the internal structure of the speaker body shown; Figure 3 for Figure 1 The schematic diagram of the structure of the internal structure of the limit block shown; Figure 4 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 5 for Figure 2The enlarged schematic diagram of part B is shown. The neodymium magnet structure for a car speaker includes: a speaker body 1, two sets of mounting seats 10 are installed at the bottom of the speaker body 1, and the side walls of the two sets of mounting seats 10 are provided with limiting grooves 13, and the limiting grooves 13 are T-shaped. The inner walls of the two sets of limiting grooves 13 are plugged and connected to the limiting blocks 5, and a rectangular plate 8 is fixedly installed between the tops of the two sets of limiting blocks 5, and the top of the rectangular plate 8 is installed with a neodymium magnet body 6, and the side walls of the two sets of mounting seats 10 are fitted and slidably connected with a stopper. 11, a connecting rod 12 is installed between the two groups of the stoppers 11, a plurality of guide rods 17 are fixedly installed at the bottom of the speaker body 1, and the two groups of the stoppers 11 are slidably connected to the guide rods 17, a spring 18 is installed between the bottom of the speaker body 1 and the stoppers 11, and the spring 18 is sleeved on the outside of the guide rods 17, a rotating shaft 7 is installed on the top of the speaker body 1, and the rotating shaft 7 is rotatably connected to the cover plate 2, and the cover plate 2 is in close contact with the speaker body 1.

[0023] A rectangular block 9 is fixedly mounted on the outer wall of the speaker body 1 , a second rotating shaft 16 is fixedly mounted on the top of the rectangular block 9 , a top of the second rotating shaft 16 is rotatably connected to a limit plate 14 , and the limit plate 14 is in close contact with the top of the cover plate 2 .

[0024] A torsion spring is provided between the second rotating shaft 16 and the limiting plate 14. The provision of the torsion spring facilitates the automatic restoration of the limiting plate 14 after rotation.

[0025] A second stopper 15 is fixedly mounted on the top of the cover plate 2 , and the second stopper 15 is in close contact with the side wall of the limiting plate 14 . The second stopper 15 is provided to limit the movement of the limiting plate 14 .

[0026] A baffle plate 4 is fixedly mounted on the outer wall of the speaker body 1 , and the baffle plate 4 is in close contact with the cover plate 2 . The setting of the baffle plate 4 limits the movement of the cover plate 2 .

[0027] A protrusion 3 is fixedly mounted on the top of the cover plate 2 , and the arrangement of the protrusion 3 facilitates the rotation of the cover plate 2 .

[0028] The working principle of the neodymium magnet structure for the car speaker provided by the utility model is as follows: when the neodymium magnet body 6 needs to be installed, the cover plate 2 is first rotated to open, and then the connecting rod 12 is pushed downward. The connecting rod 12 drives the two groups of stoppers 11 to move downward along the guide rod 17, and the spring 18 is in an extruded state. When the stopper 11 leaves the entrance end of the limit groove 13, the two groups of limit blocks 5 installed with the rectangular plate 8 are inserted into the limit groove 13. When the connecting rod 12 is loosened, the spring 18 pushes the stopper 11 to automatically reset and firmly lock the limit block 5 inside the limit groove, thereby stably installing the neodymium magnet body 6 inside the speaker body 1.

[0029] Compared with the related art, the neodymium magnet structure for the car speaker provided by the utility model has the following beneficial effects:

[0030] When the neodymium magnet body 6 needs to be installed, the cover plate 2 is first rotated to open, and then the connecting rod 12 is pushed downward. The connecting rod 12 drives the two groups of stoppers 11 to move downward along the guide rod 17, and the spring 18 is in an extruded state. When the stopper 11 leaves the entrance end of the limit groove 13, the two groups of limit blocks 5 installed with the rectangular plate 8 are inserted into the limit groove 13, and the connecting rod 12 is released. The spring 18 pushes the stopper 11 to automatically reset and firmly locks the limit block 5 inside the limit groove, so that the neodymium magnet body 6 is stably installed inside the speaker body 1. By pushing the interaction of the connecting rod 12, the stopper 11, the guide rod 17, the spring 18, the limit groove 13, the rectangular plate 8 and the limit block 5, the neodymium magnet body 6 can be quickly installed and removed, and the structure is simple and easy to operate.

[0031] 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 neodymium magnet structure for a car speaker, It is characterized in that include: A speaker body (1), wherein two groups of mounting seats (10) are installed at the bottom of the speaker body (1), the side walls of the two groups of mounting seats (10) are provided with limiting grooves (13), the inner walls of the two groups of limiting grooves (13) are plugged and connected with limiting blocks (5), a rectangular plate (8) is fixedly installed between the tops of the two groups of limiting blocks (5), a neodymium magnet body (6) is installed on the top of the rectangular plate (8), the side walls of the two groups of mounting seats (10) are fitted and slidably connected with a stopper (11), and the two groups of A connecting rod (12) is installed between the stoppers (11), a plurality of groups of guide rods (17) are fixedly installed on the bottom of the speaker body (1), two groups of stoppers (11) are slidably connected to the guide rods (17), a spring (18) is installed between the bottom of the speaker body (1) and the stoppers (11), a rotating shaft (7) is installed on the top of the speaker body (1), the rotating shaft (7) is rotatably connected to a cover plate (2), and the cover plate (2) is in close contact with the speaker body (1).

2. The neodymium magnet structure for a car speaker according to claim 1, It is characterized in that A rectangular block (9) is fixedly mounted on the outer wall of the speaker body (1), a second rotating shaft (16) is fixedly mounted on the top of the rectangular block (9), the top of the second rotating shaft (16) is rotatably connected to a limit plate (14), and the limit plate (14) is in close contact with the top of the cover plate (2).

3. The neodymium magnet structure for a car speaker according to claim 2, It is characterized in that A torsion spring is arranged between the second rotating shaft (16) and the limiting plate (14).

4. The neodymium magnet structure for a car speaker according to claim 1, It is characterized in that A second stopper (15) is fixedly mounted on the top of the cover plate (2), and the second stopper (15) is in close contact with the side wall of the limiting plate (14).

5. The neodymium magnet structure for a car speaker according to claim 1, It is characterized in that A baffle plate (4) is fixedly mounted on the outer wall of the speaker body (1), and the baffle plate (4) is in close contact with the cover plate (2).

6. The neodymium magnet structure for a car speaker according to claim 1, It is characterized in that A convex block (3) is fixedly mounted on the top of the cover plate (2).

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