CN220043660U - Speaker magnet assembly - Google Patents

Abstract

The utility model provides a loudspeaker magnet assembly, which comprises a loudspeaker main body and a vibration sounding part fixed at the top end of the loudspeaker main body, wherein a mounting plate is fixed on the loudspeaker main body, a first magnet block is embedded and fixed in the loudspeaker main body, a containing bin is arranged at the bottom end of the loudspeaker main body, a second magnet block attracted with the first magnet block is arranged through the containing bin, a mounting hole is arranged at the central position of the mounting plate, a fastening plate is inserted in the mounting hole in a threaded manner, a positioning plate is detachably fixed at the top end of the fastening plate, a holding rod is arranged at the bottom end of the fastening plate, a positioning hole corresponding to the positioning plate is arranged at the bottom end of the second magnet block, the positioning plate is inserted in the positioning hole in an anastomotic manner, a magnetic coil sleeved on the first magnet block is embedded and installed in the loudspeaker main body, and the top end of the magnetic coil is fixedly connected with the vibration sounding part.

Description

Speaker magnet assembly

Technical Field

The utility model relates to the technical field of speakers, in particular to a speaker magnet assembly.

Background

The loudspeaker enclosure generally comprises a housing and a speaker core located within the housing, dividing the interior of the housing into a front cavity and a rear cavity. The loudspeaker core generally comprises a magnet, a voice coil and a vibrating diaphragm, wherein the magnet is positioned in the rear cavity, the voice coil is connected with the vibrating diaphragm, and the voice coil is electrified to interact with the magnet so as to drive the vibrating diaphragm to vibrate and sound, the sound production loudness of the loudspeaker box is smaller, the volume of the magnet is increased, and the loudspeaker box can emit sound with larger loudness. However, the thickness and the whole space of the electronic equipment are limited, and the magnet with larger volume is difficult to be arranged.

Patent application number 202220132476.0 discloses a sound production subassembly and electronic equipment, belongs to electronic equipment technical field. The sound production assembly comprises a middle frame, a magnetic piece and a loudspeaker box; the loudspeaker box and the magnetic piece are both positioned in the middle frame, the loudspeaker box comprises a loudspeaker inner core and a shell, and the loudspeaker inner core is positioned in the shell; the magnetic element is positioned outside the housing, and the polarity of the opposite side of the magnetic element from the magnet in the speaker core is opposite. Through all setting up speaker box and magnetic part in the center, set up the magnetic part in the outside of speaker box, the magnetic part is opposite with the one side polarity that magnet in the speaker kernel is relative, makes the magnetic part overlap with the magnetic field that magnet in the speaker kernel produced, increases the magnetic field that sound production subassembly produced, improves the sound production volume of speaker box, promotes the sound production sensitivity of speaker box.

But this technical scheme is because the opposite one side polarity of the magnet in outside setting and the kernel is opposite, and two magnets are in the same place through the magnetism fixed connection, but the in-process of in-service use outside magnet receives the condition that the influence of speaker vibrations easily appears misplacement to the magnetic field environment has led to change, and then influences the sound production effect of speaker, simultaneously because fixed connection between the magnet in outside magnet and the kernel, can't change outside magnet, outside magnet's magnetism is single, and the suitability of sound production volume and sound production sensitivity adjustment of speaker is poor.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides a loudspeaker magnet assembly, which realizes the function of fixing a second magnet block by a mounting plate structure fixed on a loudspeaker main body and a fastening plate structure inserted in the mounting plate in a threaded manner, and solves the problem that an external magnet is easily misplaced due to the influence of vibration of a loudspeaker.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a speaker magnet subassembly, includes the speaker main part and fixes the vibrations portion of sending out on speaker main part top, be fixed with the mounting panel on the speaker main part, and the built-in first magnet piece that is fixed with in the speaker main part, wherein hold the storehouse in the bottom of speaker main part, and install the second magnet piece with first magnet piece actuation through holding the storehouse, the mounting hole has been seted up to the central point department of mounting panel, the screw thread grafting has the fastening plate in the mounting hole, fastening plate top detachable is fixed with the locating plate, and the bottom of fastening plate is provided with the holding rod, the locating hole that corresponds with the locating plate has been seted up to the bottom of second magnet piece, the locating plate coincide grafting in the locating hole.

Preferably, the magnetic coil sleeved on the first magnet block is embedded in the speaker main body, and the top end of the magnetic coil is fixedly connected with the vibration sounding part.

Preferably, the bottom end of the speaker main body is fixed with a mounting part, and the top end of the mounting part is provided with a plurality of bolts in an annular array.

Preferably, the bottom ends of the bolts penetrate through the mounting part and are inserted into screw holes formed in the top end of the mounting plate in a threaded manner.

Preferably, a screw is fixed at the center of the top end surface of the fastening plate, and the positioning plate is in threaded connection with the screw.

Preferably, the top of the second magnet block is fixed with the first magnet block in an attracting way, and the bottom of the second magnet block is abutted with the positioning plate.

Preferably, a groove is formed in the central position of the bottom end face of the fastening plate, and the holding rod is embedded and fixed in the central position of the inner wall of the groove.

The utility model has the beneficial effects that:

(1) According to the utility model, the mounting plate is fixed on the loudspeaker main body, the mounting hole is formed in the mounting plate, the fastening plate is fixedly embedded in the mounting hole, the second magnet block enters the accommodating bin through the mounting hole and is mutually attracted with the first magnet block, so that the magnetism of the second magnet block is increased, meanwhile, the fastening plate is in threaded connection with the mounting hole through the holding rod, and meanwhile, the positioning plate at the top end of the fastening plate is in anastomotic connection with the positioning hole at the bottom end of the second magnet block, so that the second magnet block is pushed to be tightly connected with the first magnet block, meanwhile, the condition that the second magnet block is cheap in the accommodating bin is avoided, and the stability of the installation of the second magnet block and the sounding effect of the loudspeaker are improved.

(2) According to the utility model, the holding rod is fixedly embedded in the groove formed in the bottom end of the fastening plate, the fastening plate is unscrewed from the mounting hole through the holding rod, the second magnet blocks in the accommodating bin are convenient to detach and replace through the mounting hole, the sound volume and the sound sensitivity of the loudspeaker are adjusted by replacing the second magnet blocks with different magnetic forces, and meanwhile, the positioning plate is detachably fixed at the top end of the fastening plate through the screw rod, and the positioning plate is replaced after being unscrewed, so that the fixing device is suitable for fixing the second magnet blocks with different sizes.

In summary, the utility model has the advantages of avoiding the condition that the second magnet block is cheap in the accommodating bin, improving the stability of the installation of the second magnet block, improving the sounding effect of the loudspeaker and the like.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic view of the internal structure of the speaker body according to the present utility model;

FIG. 3 is a schematic view of the split structure of the panel of the present utility model;

fig. 4 is a schematic diagram of the internal structure of a second magnet block according to the present utility model.

In the figure: 1. a mounting plate; 2. a speaker main body; 3. a vibration sound generating part; 4. a magnetic coil; 5. a mounting part; 6. a bolt; 7. a first magnet block; 8. a fastening plate; 9. a mounting hole; 10. a receiving bin; 11. a second magnet block; 12. a positioning plate; 13. a screw; 14. a grip; 15. a groove; 16. and positioning holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1

As shown in fig. 1, this embodiment provides a speaker magnet assembly, including speaker main body 2 and the vibrations portion 3 of sending out sound of fixing on speaker main body 2 top, be fixed with mounting panel 1 on the speaker main body 2, and the built-in first magnet piece 7 that is fixed with in the speaker main body 2, wherein hold storehouse 10 has been seted up to the bottom of speaker main body 2, and install the second magnet piece 11 with first magnet piece 7 actuation through holding storehouse 10, mounting hole 9 has been seted up in the central point of mounting panel 1, threaded grafting has fastening plate 8 in the mounting hole 9, fastening plate 8 top detachable is fixed with locating plate 12, and the bottom of fastening plate 8 is provided with holding rod 14, locating hole 16 corresponding with locating plate 12 has been seted up to the bottom of second magnet piece 11, the locating plate 12 coincide and peg graft in locating hole 16, second magnet piece 11 gets into through mounting hole 9 and holds storehouse 10, and with first magnet piece 7 mutual actuation, thereby increase its magnetism, the holding rod 14 makes fastening plate 8 screw thread peg graft in mounting hole 9, simultaneously fastening plate 8 top locating plate 12 is fixed with locating plate 12 in the second magnet piece 11, thereby the condition of the second magnet piece 11 has been avoided in the second magnet piece 11 to appear in the second magnet piece 11, the inseparable connection condition of the second magnet piece 11 simultaneously.

The magnetic coil 4 sleeved on the first magnet block 7 is embedded in the loudspeaker main body 2, the top end of the magnetic coil 4 is fixedly connected with the vibration sound generating part 3, magnetic force is generated after the magnetic coil 4 is electrified, the magnetic coil is simultaneously influenced by the first magnet block 7 and the second magnet block 11 to vibrate inside the loudspeaker main body 2, the vibration sound generating part 3 is driven to synchronously move in the vibration process, the vibration sound generating part 3 generates sound in the moving process, the mounting part 5 is fixed at the bottom end of the loudspeaker main body 2, a plurality of bolts 6 are arranged at the top end of the mounting part 5 in an annular array, the bottom ends of the bolts 6 penetrate through the mounting part 5 and are inserted into screw holes formed in the top end of the mounting plate 1 in a threaded manner, and the bolts 6 are inserted into the mounting plate 1 to enable the loudspeaker main body 2 to be fixedly connected with the mounting plate 1.

The screw rod 13 is fixed at the center of the top end surface of the fastening plate 8, the positioning plate 12 is inserted into the screw rod 13 in a threaded manner, the positioning plate 12 is detachably fixed at the top end of the fastening plate 8 through the screw rod 13, the positioning plate 12 is replaced after being unscrewed, so that the fastening plate is suitable for fixing the second magnet blocks 11 with different sizes, the top ends of the second magnet blocks 11 are fixedly attracted to the first magnet blocks 7, the bottom ends of the second magnet blocks 11 are abutted to the positioning plate 12, the center of the bottom end surface of the fastening plate 8 is provided with the groove 15, the holding rod 14 is fixedly embedded at the center of the inner wall of the groove 15, the positioning plate 12 at the top end of the fastening plate 8 is inserted into the positioning hole 16 at the bottom end of the second magnet blocks 11 in a matched manner, and therefore the second magnet blocks 11 are pushed to be tightly connected with the first magnet blocks 7, and the holding rod 14 is convenient for disassembling and replacing the second magnet blocks 11 in the accommodating bin 10 through the mounting holes 9 after the fastening plate 8 is unscrewed from the mounting holes 9.

Working procedure

When the external magnet block is installed on the loudspeaker, the holding rod 14 is held by hand to enable the holding rod 14 to drive the fastening plate 8 to rotate in the installation hole 9, so that the fastening plate 8 is screwed out of the installation hole 9, meanwhile, the second magnet block 11 is installed in the accommodating bin 10 through the positioning plate 12, the second magnet block 11 is fixedly attracted with the first magnet block 7, the positioning plate 12 at the top end of the fastening plate 8 is connected in the positioning hole 16 at the bottom end of the second magnet block 11 in an anastomotic manner, the second magnet block 11 is pushed to be tightly connected with the first magnet block 7, meanwhile, the condition that the second magnet block 11 is cheap in the accommodating bin 10 is avoided, when the holding rod 14 is held by hand to replace the second magnet block 11, the fastening plate 8 is unscrewed from the installation hole 9, the second magnet block 11 in the accommodating bin 10 is conveniently detached and replaced through the installation hole 9, the sounding volume and sounding sensitivity of the loudspeaker are adjusted through replacing the second magnet block 11 with different magnetic forces, and meanwhile, the positioning plate 12 is detachably fixed at the top end of the fastening plate 8 through the screw 13, and the positioning plate 11 is not suitable for replacing the second magnet block 11 in different sizes. The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. The utility model provides a speaker magnet subassembly, includes the speaker main part and fixes the vibrations portion of sending out at speaker main part top, a serial communication port, be fixed with the mounting panel in the speaker main part, and the built-in first magnet piece that is fixed with in the speaker main part, wherein hold the storehouse is offered to the bottom of speaker main part to install the second magnet piece with first magnet piece actuation through holding the storehouse, the mounting hole has been offered to the central point department of mounting panel, the screw thread grafting has the fastening plate in the mounting hole, fastening plate top detachable is fixed with the locating plate, and the bottom of fastening plate is provided with the holding rod, the locating hole that corresponds with the locating plate has been offered to the bottom of second magnet piece, the anastomotic grafting of locating plate is in the locating hole.

2. The loudspeaker magnet assembly of claim 1, wherein the magnetic coil sleeved on the first magnet is embedded in the loudspeaker body, and the top end of the magnetic coil is fixedly connected with the vibration sounding part.

3. A loudspeaker magnet assembly according to claim 2, wherein the bottom end of the loudspeaker body is fixed with a mounting portion, and the top end of the mounting portion is provided with a plurality of bolts in an annular array.

4. A loudspeaker magnet assembly according to claim 3, wherein the bottom ends of a plurality of bolts extend through the mounting portion and are threadedly received in screw holes provided in the top end of the mounting plate.

5. A loudspeaker magnet assembly according to claim 1, wherein the fastening plate is fixed with a screw rod at the center of the top end face, and the positioning plate is screwed into the screw rod.

6. The speaker magnet assembly as claimed in claim 5, wherein the top end of the second magnet is fixed to the first magnet by suction, and the bottom end of the second magnet abuts against the positioning plate.

7. A loudspeaker magnet assembly according to claim 1, wherein the fastening plate is provided with a recess at the center of the bottom end surface, and the grip is fixed in the recess at the center of the inner wall.