CN212876102U

CN212876102U - Height-adjustable basin stand and loudspeaker

Info

Publication number: CN212876102U
Application number: CN202022350174.4U
Authority: CN
Inventors: 王承; 刘茹; 李燕
Original assignee: Changzhou Jiuxiang Electronic Co ltd
Current assignee: Changzhou Jiuxiang Electronic Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-04-02
Anticipated expiration: 2030-10-20

Abstract

The utility model relates to a height-adjustable basin frame and a loudspeaker, which relates to the technical field of loudspeakers and comprises an upper basin frame and a lower basin frame, wherein the upper basin frame comprises an integrally formed expansion part and an adjustment part, the adjustment part is inserted in the lower basin frame, the inner surface of one end of the lower basin frame, which faces the expansion part, is provided with a relative lug along the circumferential direction, and the surface of the adjustment part is provided with a spiral groove for the lug to slide; the spiral groove is internally provided with a groove far away from the expansion part, the protrusion is clamped in the groove, and the groove is provided with a plurality of grooves along the circumferential direction of the spiral groove. The utility model discloses have basin frame height-adjustable festival, adapt to different application scenario, and then can produce the effect of different volume and sound pressure.

Description

Height-adjustable basin stand and loudspeaker

Technical Field

The utility model belongs to the technical field of the technique of speaker and specifically relates to a height-adjustable festival formula basin frame and speaker are related to.

Background

A speaker incorporated in an acoustic apparatus is often a dynamic speaker unit. The speaker unit includes at least: a magnet (permanent magnet) in the shape of a ring; a voice coil inserted into a cylindrical space corresponding to the hole inside the magnet; and a diaphragm (cone diaphragm) attached to the voice coil and shaped in a cone. In such a speaker, when an audio signal flows through the voice coil, the voice coil vibrates in the front-rear direction in accordance with the waveform thereof, and the diaphragm attached to the voice coil vibrates together with the voice signal, thereby generating a compressional wave (longitudinal wave) having a waveform equal to that of the audio signal and generating sound.

The chinese patent with the publication number of CN208174986U discloses a novel voice coil loudspeaker, including voice coil loudspeaker frame, one side fixed surface of voice coil loudspeaker frame installs the speaker china department, one side fixed surface of speaker china department installs the speaker magnet steel, one side fixed surface of speaker magnet steel installs speaker T iron, the opposite side fixed surface of voice coil loudspeaker frame installs the speaker bullet ripples, one side fixed surface of speaker bullet ripples installs voice coil and skeleton. A novel voice coil loudspeaker, be equipped with speaker damping ring, speaker water proof membrane and speaker fixed suction cup, can reduce the vibrations of the inside production of voice coil loudspeaker to can prevent that water from getting into inside the speaker, cause the internals to damage, prevent that the power cord from exposing and receiving artificial destruction, still fix the speaker on the desktop, convenient height-adjusting by oneself brings better use prospect.

In the in-service use process, the height of the basin frame is different, the sound pressure is different, the upper limit of the sound volume is different, so different basin frames are needed for different sound volumes, the height of the basin frame is single, different basin frames need to be replaced for adapting to different sound volumes, the basin frame is troublesome, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

According to the deficiencies in the prior art, the utility model aims at providing a height-adjustable formula basin frame has basin frame height-adjustable festival, adapts to different application scenario, and then can produce the effect of different volume and sound pressure.

The above technical purpose of the present invention can be achieved by the following technical solutions: a height-adjustable basin stand comprises an upper basin stand and a lower basin stand, wherein the upper basin stand comprises an expansion part and an adjusting part which are integrally formed, the adjusting part is inserted into the lower basin stand, opposite convex blocks are arranged on the inner surface of one end, facing the expansion part, of the lower basin stand along the circumferential direction of the inner surface, and spiral grooves for the convex blocks to slide are formed in the surface of the adjusting part;

the spiral groove is internally provided with a groove far away from the expansion part, the protrusion is clamped in the groove, and the groove is provided with a plurality of grooves along the circumferential direction of the spiral groove.

By adopting the technical scheme, the convex block slides in the spiral groove and is clamped into the corresponding groove to be adjusted to the corresponding height, so that the spiral groove is suitable for different application occasions, and the volume and the sound pressure with different sizes can be generated.

The present invention may be further configured in a preferred embodiment as: the regulating part is kept away from the one end of expansion portion can be dismantled and be connected with and keep off the ring, the cover is equipped with compression spring on the regulating part, compression spring is located in the basin frame down, compression spring is located keep off the ring with between the lug.

Through adopting above-mentioned technical scheme, compression spring's elastic force promotes basin frame and regulation portion back of the body motion for the lug supports on the tank bottom of recess, reduces the possibility that leads to the lug to break away from the recess because of vibrations, and compression spring still can increase the stability between basin frame and the last basin frame simultaneously.

The present invention may be further configured in a preferred embodiment as: the lug is cylindrical.

Through adopting above-mentioned technical scheme, the sliding resistance of cylindrical lug is littleer. And the fitting degree with the groove is higher. Can improve the stability of the connection between the upper basin frame and the lower basin frame.

Another object of the present invention is to provide a speaker, which has a height-adjustable frame, and is suitable for different applications, and thus can generate different volume and sound pressure effects.

The above technical purpose of the present invention can be achieved by the following technical solutions: a loudspeaker comprises an upper shell and a lower shell, wherein the lower shell is wrapped outside the upper shell, a diaphragm is bonded on the upper shell, and a coil is bonded on the diaphragm;

still include foretell height-adjustable festival formula basin frame, height-adjustable festival formula basin frame install in go up on the casing.

By adopting the technical scheme, the height of the basin stand is adjusted, the basin stand is suitable for different application occasions, and then different volumes and sound pressures can be generated.

The present invention may be further configured in a preferred embodiment as: one end of the lower basin frame, which is far away from the expansion part, is detachably connected with a mounting ring, a magnetic cup is mounted in the mounting ring, and the magnetic cup is positioned in the lower basin frame and the upper basin frame at the same time;

the magnet cup is characterized in that a magnet is arranged in the magnet cup, the magnet is bonded to the bottom of the magnet cup and is located in the middle of the magnet cup, a washer is bonded to the bottom of the magnet cup, the magnet is far away from the magnet cup, the diameter of the washer is equal to that of the magnet, and the circumferential gap between the magnet and the magnet cup is consistent in size.

By adopting the technical scheme, the different heights of the basin stand correspond to the magnetic cups with different heights, the heights of the magnets and the washer arranged in the magnetic cups with different heights are different, and the sound pressure and the sound volume which can be generated are different; meanwhile, the magnetic cup can further enhance the stability between the upper basin frame and the lower basin frame and improve the stability of sound emitted by the loudspeaker.

The present invention may be further configured in a preferred embodiment as: damping cloth is arranged between the lower shell and the lower basin frame.

By adopting the technical scheme, the damping is improved, and the possibility of loudspeaker distortion is reduced.

The present invention may be further configured in a preferred embodiment as: the coil includes first coil and second coil, first coil is located in the second coil, first coil forward winding, second coil reverse winding.

By adopting the technical scheme, the utilization rate of the magnetic circuit system is improved, and the possibility of loudspeaker distortion caused by magnetic leakage is reduced.

The present invention may be further configured in a preferred embodiment as: and a dustproof cover is arranged on one side of the diaphragm, which is far away from the upper basin frame.

Through adopting above-mentioned technical scheme, prevent through the dust cover that the dust from getting into inside the speaker, reduce the influence of dust to speaker tone quality.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the spiral groove, the convex block and the groove, the height of the basin stand can be adjusted, the basin stand is suitable for different application occasions, and then different sound volumes and sound pressures can be generated;

2. the arrangement of the compression spring and the baffle ring can reduce the possibility that the lug is separated from the groove due to vibration, and meanwhile, the compression spring can also increase the stability between the lower basin frame and the upper basin frame, so that the effect of improving the stability of the sound of the loudspeaker is achieved;

3. through the arrangement of the damping cloth and the dust cover, the effects of reducing the possibility of dust entering the loudspeaker and simultaneously reducing the possibility of loudspeaker distortion can be achieved.

Drawings

Fig. 1 is a schematic structural view of the entire frame of embodiment 1.

Fig. 2 is an exploded view for embodying a compression spring, an adjusting portion and a retainer ring in embodiment 1.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

Fig. 5 is a schematic structural view for embodying a speaker body in embodiment 2.

Fig. 6 is an exploded view for embodying the diaphragm, the coil, the magnet, the washer and the damping cloth in example 2.

Fig. 7 is a partially enlarged schematic view of a portion C in fig. 6.

In the figure, 1, a basin mounting frame is arranged; 11. an expansion section; 12. an adjustment section; 121. a helical groove; 122. a groove; 123. a baffle ring; 124. a compression spring; 2. a basin discharging frame; 21. a bump; 22. a magnetic cup; 221. a magnet; 222. washer; 23. a mounting ring; 3. an upper housing; 31. a membrane; 311. a coil; 3111. a first coil; 3112. a second coil; 32. a dust cover; 4. a lower housing; 41. damping cloth.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1 and 3, the utility model discloses a height-adjustable basin stand, which comprises an upper basin stand 1 and a lower basin stand 2, wherein the upper basin stand 1 comprises an adjusting part 12 and an expanding part 11, the adjusting part 12 is inserted into the lower basin stand 2 and can be matched with the lower basin stand 2 to adjust the height of the basin stand; lower basin frame 2 is equipped with relative lug 21 (see fig. 4) on the internal surface towards the one end of expansion portion 11, the surface of regulating part 12 then is equipped with the helicla flute 121 that supplies lug 21 to slide, lug 21 slides in helicla flute 121 can realize the regulation of relative distance between upper basin frame 1 and lower basin frame 2, be equipped with the recess 122 that supplies lug 21 card to go into towards expansion portion 11 in helicla flute 121, recess 122 is equipped with a plurality ofly along the circumference of helicla flute 121, every recess 122 corresponds different basin frame height, go into different recess 122 with lug 21 card can.

Referring to fig. 2 and 3, a blocking ring 123 is arranged at one end of the adjusting portion 12, which is far away from the expanding portion 11, the blocking ring 123 is detachably connected to the adjusting portion 12 through a screw, a compression spring 124 is further sleeved on the adjusting portion 12, two ends of the compression spring 124 are respectively abutted to the protruding block 21 and the blocking ring 123, the protruding block 21 is driven by the elastic force of the compression spring 124 to be abutted to the groove 122, and the possibility that the protruding block 21 is separated from the groove 122 due to vibration is reduced. When assembling, the projection 21 is aligned with the spiral groove 121, then the compression spring 124 is sleeved on the end of the lower frame 2 far away from the expansion part 11, and the baffle ring 123 is connected to the adjusting part 12 through a screw.

Example 2:

referring to fig. 6 and 7, the utility model also discloses a loudspeaker, which comprises an upper shell 3 and a lower shell 4, wherein the lower shell 4 is covered outside the upper shell 3, the upper shell 3 is sequentially provided with a dust cover 32, a diaphragm 31, a basin stand and the lower shell 4, and the dust cover 32 is bonded above the upper shell 3 and used for blocking dust; the diaphragm 31 is adhered to one end of the upper shell 3 far away from the dust cover 32, the diaphragm 31 vibrates to generate sound, the height-adjustable basin stand is further installed on the upper shell 3, the expansion part 11 is installed on the upper shell 3 through screws, the end of the lower basin stand 2 far away from the expansion part 11 is provided with the installation ring 23, the installation ring 23 is connected with the lower basin stand 2 through screws, the installation ring 23 is internally provided with the magnet cup 22, the magnet cup 22 is arranged towards the diaphragm 31, the magnet 221 is adhered in the magnet cup 22, the washer 222 is adhered towards the diaphragm 31 and used for conducting magnetism, the diameters of the magnet 221 and the washer 222 are equal, the circumferential gap between the magnet 221 and the washer 222 is equal to the circumferential gap between the magnet cup 22, the smaller the space between the magnet 221 and the washer 222 and the magnet cup 22 is, the sound is larger, the circumferential gap is 1mm adhered magnet 221 for magnetizing, and the washer 222, and the magnet 221 and the magnet cup 22 generate an even magnetic field together when the loudspeaker works, reducing the likelihood of loudspeaker distortion.

Referring to fig. 6, the coil 311 is bonded to the diaphragm 31 facing the magnetic cup 22, the coil 311 includes a first coil 3111 and a second coil 3112, the first coil 3111 is located in the second coil 3112, the first coil 3111 is wound in a forward direction, and the second coil 3112 is wound in a reverse direction, so that the utilization rate of a magnetic circuit system can be improved, and the possibility of loudspeaker distortion caused by magnetic leakage can be reduced. The end of the upper shell 3 away from the diaphragm 31 is further provided with a dust cover 32 for reducing the entering of dust and affecting the vibration of the diaphragm 31, and further affecting the sound quality. In order to improve damping and reduce the possibility of loudspeaker distortion, damping cloth 41 is bonded to the bottom of the hole of the lower case 4 facing the lower frame 2.

The implementation process of the embodiment is as follows: during assembly, according to the height of the magnetic cup 22, the upper frame 1 and the lower frame 2 are rotated, the lug 21 is clamped into the proper groove 122, then the magnetic cup 22 is adhered to the upper frame 1 and the lower frame 2, then the magnet and the washer 222 are adhered together, then the magnet 221 is adhered to the center of the cup bottom of the magnetic cup 22, the first coil 3111 and the second coil 3112 are adhered to the membrane 31, the membrane 31 is adhered to the upper shell 3, then the magnet 221 is magnetized, the frame is installed on the lower shell 4 through screws, then the damping cloth 41 is adhered to the lower shell 4, the lower shell 4 is connected with the upper shell 3, the frame and the membrane 31 are covered, and finally the dust cover 32 is installed at one end of the upper shell 3, which is far away from the membrane 31.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a height-adjustable festival formula basin frame which characterized in that: the flowerpot comprises an upper pot frame (1) and a lower pot frame (2), wherein the upper pot frame (1) comprises an expansion part (11) and an adjusting part (12) which are integrally formed, the adjusting part (12) is inserted into the lower pot frame (2), opposite convex blocks (21) are arranged on the inner surface of one end, facing the expansion part (11), of the lower pot frame (2) along the circumferential direction of the inner surface, and spiral grooves (121) for the convex blocks (21) to slide are formed in the surface of the adjusting part (12);

the spiral groove (121) is internally provided with a groove (122) far away from the expansion part (11) for the lug (21) to be clamped in, and a plurality of grooves (122) are arranged along the circumferential direction of the spiral groove (121).

2. The height-adjustable basin stand according to claim 1, characterized in that: keep away from regulating part (12) the one end of expansion portion (11) can be dismantled and be connected with and keep off ring (123), the cover is equipped with compression spring (124) on regulating part (12), compression spring (124) are located in lower basin frame (2), compression spring (124) are located keep off ring (123) with between lug (21).

3. The height-adjustable basin stand according to claim 1, characterized in that: the projection (21) is cylindrical.

4. The utility model provides a loudspeaker, includes upper casing (3) and lower casing (4), lower casing (4) cladding in outside upper casing (3), it has diaphragm (31) to bond on upper casing (3), it has coil (311) to bond on diaphragm (31), its characterized in that: the height-adjustable basin stand according to claims 1 to 3, further comprising a height-adjustable basin stand mounted on the upper housing (3).

5. A loudspeaker according to claim 4, wherein: one end, far away from the expansion part (11), of the lower basin frame (2) is detachably connected with a mounting ring (23), a magnetic cup (22) is mounted in the mounting ring (23), and the magnetic cup (22) is located in the lower basin frame (2) and the upper basin frame (1) at the same time;

be equipped with magnet (221) in magnetism cup (22), magnet (221) bond in the bottom of magnetism cup (22) and be located the intermediate position of magnetism cup (22), magnet (221) are kept away from the bottom of cup of magnetism cup (22) bonds and has china department (222), the diameter of china department (222) with the diameter of magnet (221) equals, magnet (221) with the circumference clearance size between magnetism cup (22) is unanimous.

6. A loudspeaker according to claim 5, wherein: damping cloth (41) is arranged between the lower shell (4) and the lower basin frame (2).

7. A loudspeaker according to claim 6, wherein: the coil (311) includes a first coil (3111) and a second coil (3112), the first coil (3111) being located within the second coil (3112), the first coil (3111) being wound in a forward direction, the second coil (3112) being wound in a reverse direction.

8. A loudspeaker according to claim 7, wherein: and a dust cover (32) is arranged on one side of the membrane (31) far away from the upper basin frame (1).