CN114025266A

CN114025266A - Noise reduction type passive radiator

Info

Publication number: CN114025266A
Application number: CN202111253113.9A
Authority: CN
Inventors: 谢卫英
Original assignee: Huizhou Zhongruisheng Electronics Co ltd
Current assignee: Huizhou Zhongruisheng Electronics Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-02-08
Anticipated expiration: 2041-10-27
Also published as: CN114025266B

Abstract

The invention relates to the technical field of sound box parts, in particular to a noise reduction type passive radiator, which comprises a box body, wherein a vibrating diaphragm is arranged on the box body, a fixing mechanism is arranged on the box body, a combined mechanism is detachably connected onto the fixing mechanism, a counterweight mechanism is connected onto the combined mechanism, and a limiting mechanism is arranged on the counterweight mechanism; the passive radiator is conveniently installed on the box body through the arrangement of the fixing mechanism, the edge of the passive radiator can be pressed, and the fixing is firmer; through the setting of combined mechanism, counter weight mechanism and stop gear, passive radiator's counterweight plate adopts the modular mode to assemble together, and then conveniently toward inside add the balancing weight, reaches the purpose of adjusting counterweight plate focus position through the position of adjusting the balancing weight, makes passive radiator reach the best user state.

Description

Noise reduction type passive radiator

Technical Field

The invention relates to the technical field of sound box parts, in particular to a noise reduction type passive radiator.

Background

A passive radiator is a sound device using a "passive radiator" generally including an active speaker unit and a passive unit (passive radiator). The passive unit is generally similar in shape to the active speaker unit but without the voice coil and driver magnets, and the great advantage of an acoustic system equipped with a passive radiator is that the burden of bass production from a small sized bass unit can be transferred to a larger sized passive radiator (the bass unit requires the greatest amount of air flow propulsion at the "-3db" point to produce the same loudness of sound as it does in the frequency range), where the passive radiator can vibrate more linearly (the inside and outside reciprocation of the cone). Another significant advantage is that the low frequency response point extends lower. In addition, a bass unit with smaller size can be adopted during design, so that bass and medium frequency responses are more accurate, and the separation degree is better.

The inside balancing weight that contains of passive radiator, the balancing weight mainly plays the production of restraining resonance and noise, and in order to make passive radiator's service function more outstanding, general laboratory need replace the different weight plates of focus one by one when testing passive radiator and test, relapse the dismouting and cause radiator impaired and extension experimental period easily.

Disclosure of Invention

The invention provides a noise reduction type passive radiator aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a type of making an uproar passive radiator falls, includes the box, install the vibrating diaphragm on the box, be equipped with fixed establishment on the box, the last combined mechanism that can dismantle of fixed establishment is connected with, be connected with counter weight mechanism on the combined mechanism, be provided with stop gear in the counter weight mechanism.

Specifically, fixed establishment is including the arrangement groove, the arrangement groove has been seted up on the box, be equipped with a plurality of fixed slots around the arrangement groove respectively, the middle part of fixed slot is equipped with the butt joint piece, the top of box is equipped with the snap ring, the welding has a plurality of fixed ears around the snap ring respectively.

Specifically, a placing groove is formed in the fixing lug, a notch is formed in one side of the placing groove, a screw is arranged at the top end of the fixing lug, a cross groove is formed in the screw, and a rubber cap is arranged at the top end of the screw.

Specifically, the number of the fixing grooves is equal to that of the fixing lugs, the screws are in threaded connection with the butting blocks, and the size of the rubber cap is slightly larger than the diameter of the placing groove.

Specifically, the combined mechanism includes the support ring, the bottom of snap ring is equipped with the passive radiator body, the middle part of passive radiator body is equipped with the butt joint dish, be connected with the diaphragm between passive radiator body and the butt joint dish, be equipped with the apron on the butt joint dish, a plurality of strip grooves have been seted up on the apron.

Specifically, counter weight mechanism includes the gag lever post, the inside of docking tray is equipped with many gag lever posts, the mounting groove has been seted up on the gag lever post, sliding connection has the balancing weight on the gag lever post, sliding connection has the slider on the balancing weight, fixedly connected with profile of tooth pole on the slider.

Specifically, the limiting rod is abutted with a touch plate, the touch plate and the sliding block are respectively connected with a first sliding rod, the first sliding rod is connected with two moving blocks in a sliding mode, and the plurality of moving blocks are connected with connecting rods in a crossed and rotating mode.

Specifically, stop gear includes the fixture block, be equipped with a plurality of fixture blocks on the apron, it is connected with the movable block to rotate on the fixture block, a plurality of spouts have been seted up on the movable block.

Specifically, sliding connection has the lug on the spout, be connected with a plurality of non return blocks on the lug, non return block sliding connection fixture block, fixedly connected with touch block on the movable block.

Specifically, fixedly connected with second slide bar on the conflict piece, second slide bar sliding connection fixture block, the winding has the spring on the second slide bar, the spring is contradicted between conflict piece and fixture block.

The invention has the beneficial effects that:

(1) according to the noise reduction type passive radiator, the fixing mechanism is arranged on the box body, the passive radiator is conveniently installed on the box body through the fixing mechanism, the edge of the passive radiator can be pressed, and the fixing is firmer, namely: the box body is provided with a placement groove, the placement groove is used for placing a passive radiator body, the size of the snap ring is slightly larger than the outer diameter of the passive radiator body, the cross section of the snap ring is in a shape and can better half wrap the passive radiator body, so that the fixing effect is better, the snap ring is provided with a plurality of fixing lugs for assembly, the fixing lugs are matched with fixing grooves, the snap ring after installation is flush with the surface of the box body when the screw is installed on the box body through the screw, the attractiveness of the box body is improved, when the screw is used for fixing the snap ring, the screw is installed on the butt joint block, the butt joint block is pre-installed on the box body in advance, so that the screw is convenient to be frequently disassembled and assembled, the thread teeth of the screw cannot be damaged, the thickness of the screw cap is smaller than that of the placement groove, the size is reserved, the rubber cap is convenient to be installed on the placement groove, the rubber cap can seal the cross groove, and the appearance of the abrupt placement groove is prevented from being influenced, the notch has been seted up to standing groove one side, and the notch is convenient to be dismantled the rubber cap.

(2) The invention relates to a noise reduction type passive radiator, wherein a fixing mechanism is detachably connected with a combined mechanism, the combined mechanism is connected with a counterweight mechanism, the counterweight mechanism is provided with a limiting mechanism, counterweight plates of the passive radiator are assembled together in a modularized mode, further, counterweight blocks can be conveniently added into the passive radiator, the purpose of adjusting the gravity center position of the counterweight plates is achieved by adjusting the position of the counterweight blocks, and the passive radiator is enabled to achieve the best use state, namely: when a passive radiator body and accessories thereof for experiments are required to be fixedly installed, firstly, a plurality of balancing weights are installed on a butt joint disc, a configuration block is placed on a mounting groove and clamped on a limiting rod through the mounting groove, then a cover plate is clamped on the butt joint disc, the passive radiator body is fixed on a box body through a clamping ring, when the cover plate is clamped on the butt joint disc, a toothed bar protrudes to the top end of the cover plate, in order to fix the balancing weights, a clamping block is aligned to the positive top end of the toothed bar, the clamping block is pressed on the toothed bar, a plurality of non-return blocks are clamped on the outer side of the toothed bar, along with the deep pressing, the clamping block finally abuts to the top end of the cover plate, at the moment, the toothed bar drives the sliding block to lift upwards, along with the movement of the sliding block, a moving block slides along a first sliding bar, a connecting bar deflects to drive an abutting plate to move towards the bottom end, and finally the abutting plate to the top end of the limiting rod, thereby can be with the balancing weight temporary fixation to the gag lever post, the operation box, adjust the position of balancing weight through experimental data analysis, make the counterweight plate reach the best focus position, rotate the movable block, a plurality of spouts on the movable block drive the lug, thereby it is not at block profile of tooth pole to drive the non return piece, thereby can not play fixed effect to the balancing weight, the position of balancing weight is so finely tuned, repeated such dismantlement is fine and fixed, thereby the counter weight effect that makes the passive radiator body reaches the best, convenient experiment obtains detailed data, the quality that makes later stage batch production's audio amplifier promotes greatly.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of an overall structure of a noise reduction type passive radiator according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is an enlarged view of the portion B shown in FIG. 1;

FIG. 4 is an enlarged view of the portion C shown in FIG. 1;

FIG. 5 is a schematic structural view of the counterweight mechanism shown in FIG. 1;

FIG. 6 is a schematic structural view of the limiting mechanism shown in FIG. 1;

FIG. 7 is an enlarged view of the portion D shown in FIG. 2;

fig. 8 is an enlarged schematic view of the part E shown in fig. 5.

In the figure: 1. the device comprises a box body, 2, a vibrating diaphragm, 3, a fixing mechanism, 31, a placing groove, 32, a fixing groove, 33, an abutting block, 34, a clamping ring, 35, a fixing lug, 36, a placing groove, 37, a notch, 38, a screw, 39, a cross groove, 39a, a rubber cap, 4, a combination mechanism, 41, a passive radiator body, 42, a diaphragm, 43, an abutting disc, 44, a cover plate, 45, a strip groove, 5, a counterweight mechanism, 51, a limiting rod, 52, a mounting groove, 53, a counterweight block, 54, a sliding block, 55, a toothed bar, 56, a first sliding bar, 57, a moving block, 58, a connecting bar, 59, an abutting plate, 6, a limiting mechanism, 61, a clamping block, 62, a moving block, 63, a non-return block, 64, a bump, 65, a sliding groove, 66, an abutting block, 67, a second sliding bar, 68 and a spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 8, the noise reduction type passive radiator according to the present invention includes a box body 1, wherein a vibrating diaphragm 2 is installed on the box body 1, a fixing mechanism 3 is disposed on the box body 1, a combining mechanism 4 is detachably connected to the fixing mechanism 3, a counterweight mechanism 5 is connected to the combining mechanism 4, and a limiting mechanism 6 is disposed on the counterweight mechanism 5.

Specifically, fixed establishment 3 is including placing the groove 31, the placing groove 31 has been seted up on box 1, placing groove 31 is equipped with a plurality of fixed slots 32 all around respectively, the middle part of fixed slot 32 is equipped with butt joint piece 33, the top of box 1 is equipped with snap ring 34, snap ring 34 has a plurality of fixed ears 35 of welding respectively all around

Specifically, a placing groove 36 is formed in the fixing lug 35, a notch 37 is formed in one side of the placing groove 36, a screw 38 is arranged at the top end of the fixing lug 35, a cross-shaped groove 39 is formed in the screw 38, and a rubber cap 39a is arranged at the top end of the screw 38.

Specifically, the number of the fixing grooves 32 and the number of the fixing lugs 35 are equal, the screw 38 is in threaded connection with the butting block 33, and the size of the rubber cap 39a is slightly larger than the diameter of the placing groove 36; the fixing mechanism 3 is arranged on the box body 1, the passive radiator can be conveniently installed on the box body 1 through the arrangement of the fixing mechanism 3, the edge of the passive radiator can be pressed, the fixing is firmer, the placing groove 31 is formed in the box body 1, the placing groove 31 is used for placing the passive radiator body 41, the size of the clamping ring 34 is slightly larger than the outer diameter of the passive radiator body 41, the cross section of the clamping ring 34 is L-shaped, the passive radiator body 41 can be better and semi-wrapped, the fixing effect is better, the clamping ring 34 is provided with a plurality of fixing lugs 35 for assembling, the fixing lugs 35 are matched with the fixing grooves 32, the screws 38 are installed on the box body 1, the clamping ring 34 after installation is flush with the surface of the box body 1, and the attractiveness of the box body 1 is improved, when the clamping ring 34 is fixed by the screw 38, the screw 38 is mounted on the butt-joint block 33, the butt-joint block 33 is pre-mounted on the box body 1 in advance, so that the screw 38 is convenient to frequently dismount and mount, thread teeth of the screw 38 cannot be damaged, the thickness of a screw cap of the screw 38 is smaller than that of the placing groove 36, a size is reserved to facilitate the rubber cap 39a to be mounted on the placing groove 36, the rubber cap 39a can seal the cross groove 39, the appearance of the projecting placing groove 36 is prevented from being affected, the notch 37 is formed in one side of the placing groove 36, and the notch 37 is convenient to dismount the rubber cap 39 a.

Specifically, the combined mechanism 4 includes a support ring 41, the bottom end of the snap ring 34 is provided with a passive radiator body 41, the middle part of the passive radiator body 41 is provided with a butt-joint disc 43, a diaphragm 42 is connected between the passive radiator body 41 and the butt-joint disc 43, the butt-joint disc 43 is provided with a cover plate 44, and the cover plate 44 is provided with a plurality of strip grooves 45.

Specifically, counter weight mechanism 5 includes gag lever post 51, the inside of docking disk 43 is equipped with many gag lever posts 51, mounting groove 52 has been seted up on the gag lever post 51, sliding connection has balancing weight 53 on gag lever post 51, sliding connection has slider 54 on balancing weight 53, fixedly connected with profile of tooth pole 55 on the slider 54.

Specifically, a collision plate 59 is abutted on the limiting rod 51, a first sliding rod 56 is connected to the collision plate 59 and the sliding block 54 respectively, two moving blocks 57 are connected to the first sliding rod 56 in a sliding manner, and a connecting rod 58 is connected between the moving blocks 57 in a cross rotating manner.

Specifically, the limiting mechanism 6 includes a plurality of blocks 61, the cover plate 44 is provided with a plurality of blocks 61, the blocks 61 are rotatably connected with a movable block 62, and the movable block 62 is provided with a plurality of sliding grooves 65.

Specifically, sliding connection has lug 64 on the spout 65, be connected with a plurality of non return blocks 63 on the lug 64, non return block 63 sliding connection fixture block 61, fixedly connected with contact block 66 on the movable block 62.

Specifically, a second sliding rod 67 is fixedly connected to the abutting block 66, the second sliding rod 67 is slidably connected to the fixture block 61, a spring 68 is wound on the second sliding rod 67, and the spring 68 abuts between the abutting block 66 and the fixture block 61; fixing mechanism can dismantle on 3 and be connected with combined mechanism 4, be connected with counter weight mechanism 5 on the combined mechanism 4, be provided with stop gear 6 on the counter weight mechanism 5, passive radiator's counterweight plate adopts the modular mode equipment to be in the same place, and then conveniently toward inside add the balancing weight, reach the purpose of adjusting counterweight plate focus position through the position of adjusting the balancing weight, make passive radiator reach the best user state, promptly: when the passive radiator body 41 and its accessories for experiment are required to be fixedly installed, first, a plurality of weight blocks 53 are installed on the docking plate 43, the arrangement block 53 is placed on the installation groove 52, and is clamped on the limiting rod 51 through the installation groove 52, then the cover plate 44 is clamped on the docking plate 43, the passive radiator body 41 is fixed on the box body 1 through the clamp ring 34, when the cover plate 44 is clamped on the docking plate 43, the corrugated rod 55 protrudes to the top end of the cover plate 44, in order to fix the weight blocks 53, the fixture block 61 is aligned to the positive top end of the corrugated rod 55, the fixture block 61 is pressed on the corrugated rod 55, a plurality of check blocks 63 are clamped on the outer side of the corrugated rod 55, and as the pressing is deeper, the fixture block 61 is finally clamped to the top end of the cover plate 44, at this time, the toothed bar 55 drives the sliding block 54 to lift upwards, the moving block 57 slides along the first sliding rod 56 along with the movement of the sliding block 54, the connecting rod 58 deflects to drive the contact plate 59 to move towards the bottom end, and finally the contact plate 59 abuts against the top end of the limiting rod 51, so that the counterweight block 53 can be temporarily fixed on the limiting rod 51, the box body 1 is operated, the position of the counterweight block 53 is adjusted through experimental data analysis, the counterweight plate reaches the optimal gravity center position, the moving block 62 is rotated, the plurality of sliding grooves 65 on the moving block 62 drive the protruding block 64, so that the non-return block 63 is driven not to be clamped with the toothed bar 55, so that the fixing effect on the counterweight block 53 is not achieved, the position of the counterweight block 53 is finely adjusted, and such fine adjustment and fixing are repeated, thereby make passive radiator body 41's counter weight effect reaches the best, makes things convenient for the experiment to obtain detailed data, makes the quality of later stage batch production's audio amplifier promote greatly.

When the invention is used, the box body 1 is provided with the placing groove 31, the placing groove 31 is used for placing the passive radiator body 41, the size of the clamping ring 34 is slightly larger than the outer diameter of the passive radiator body 41, the section of the clamping ring 34 is L-shaped, the passive radiator body 41 can be better and semi-wrapped, so that the fixing effect is better, the clamping ring 34 is provided with a plurality of fixing lugs 35 for assembling, the fixing lugs 35 are matched with the fixing grooves 32 and are arranged on the box body 1 through the screws 38, the mounted clamping ring 34 is flush with the surface of the box body 1, the aesthetic degree of the box body 1 is improved, when the screws 38 fix the clamping ring 34, the butting block 33 is arranged on the box body 1 in advance, so that the screws 38 are convenient to be frequently assembled and disassembled, the threads of the screws 38 cannot be damaged, the nut thickness of the screws 38 is smaller than that of the placing groove 36, the rubber nut 39a with a size convenient to mount on the placing groove 36 is reserved, the rubber cap 39a can seal the cross groove 39, so that the appearance of the abrupt placing groove 36 is prevented from being influenced, a notch 37 is formed in one side of the placing groove 36, and the notch 37 is convenient for disassembling the rubber cap 39 a; when the passive radiator body 41 for experiment and its accessories are required to be fixed, firstly, a plurality of balance weights 53 are installed on the butt-joint disc 43, the configuration block 53 is placed on the installation groove 52, and is clamped on the limit rod 51 through the installation groove 52, then the cover plate 44 is clamped on the butt-joint disc 43, the passive radiator body 41 is fixed on the box body 1 through the snap ring 34, when the cover plate 44 is clamped on the butt-joint disc 43, the insection rod 55 protrudes to the top end of the cover plate 44, in order to fix the balance weight 53, the fixture block 61 is aligned with the positive top end of the insection rod 55, the fixture block 61 is pressed on the insection rod 55, a plurality of check blocks 63 are clamped on the outer side of the insection rod 55, the fixture block 61 is finally clamped and abutted to the top end of the cover plate 44 along with the pressing depth, at this time, the insection rod 55 drives the slide block 54 to be lifted upwards, the moving block 57 slides along the first slide rod 56 along with the movement of the slide block 54, connecting rod 58 deflects and drives touch-sensitive plate 59 toward the bottom and removes, finally touch-sensitive plate 59 contradicts the top of gag lever post 51, thereby can be with balancing weight 53 temporary fixation to gag lever post 51, operation box 1, adjust balancing weight 53's position through experimental data analysis, make the balancing weight board reach the best focus position, rotate movable block 62, a plurality of spouts 65 on the movable block 62 drive lug 64, thereby it is not at block profile bar 55 to drive non return block 63, thereby can not play fixed effect to balancing weight 53, so finely tune balancing weight 53's position, repeated such dismantlement is fine and fixed, thereby make passive radiator body 41's counter weight effect reach the best, convenient experiment obtains detailed data, the quality that makes later stage batch production's audio amplifier promotes greatly.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a type of making an uproar passive radiator falls, its characterized in that, includes box (1), install vibrating diaphragm (2) on box (1), be equipped with fixed establishment (3) on box (1), fixed establishment (3) are gone up to dismantle and are connected with combined mechanism (4), be connected with counter weight mechanism (5) on combined mechanism (4), be provided with stop gear (6) on counter weight mechanism (5).

2. A noise reducing passive radiator as claimed in claim 1, wherein: fixed establishment (3) are including placing groove (31), placing groove (31) have been seted up on box (1), placing groove (31) be equipped with a plurality of fixed slots (32) all around respectively, the middle part of fixed slot (32) is equipped with butt joint piece (33), the top of box (1) is equipped with snap ring (34), the welding has a plurality of fixed ears (35) all around of snap ring (34) respectively.

3. A noise reducing passive radiator as claimed in claim 2, wherein: the fixing lug (35) is provided with a placing groove (36), one side of the placing groove (36) is provided with a notch (37), the top end of the fixing lug (35) is provided with a screw (38), the screw (38) is provided with a cross groove (39), and the top end of the screw (38) is provided with a rubber cap (39 a).

4. A noise reducing passive radiator as claimed in claim 3, wherein: the number of the fixing grooves (32) is equal to that of the fixing lugs (35), the screw (38) is in threaded connection with the butt joint block (33), and the size of the rubber cap (39a) is slightly larger than the diameter of the placing groove (36).

5. A noise reducing passive radiator as claimed in claim 3, wherein: the combined mechanism (4) comprises a support ring (41), a passive radiator body (41) is arranged at the bottom end of the clamping ring (34), a butt joint disc (43) is arranged at the middle part of the passive radiator body (41), a diaphragm (42) is connected between the passive radiator body (41) and the butt joint disc (43), a cover plate (44) is arranged on the butt joint disc (43), and a plurality of strip grooves (45) are formed in the cover plate (44).

6. A noise reducing passive radiator as claimed in claim 5, wherein: counter weight mechanism (5) include gag lever post (51), the inside of closing disk (43) is equipped with many gag lever posts (51), mounting groove (52) have been seted up on gag lever post (51), sliding connection has balancing weight (53) on gag lever post (51), sliding connection has slider (54) on balancing weight (53), fixedly connected with profile of tooth pole (55) on slider (54).

7. A noise reducing passive radiator as claimed in claim 6, wherein: the limiting rod (51) is abutted with a contact plate (59), the contact plate (59) and the sliding block (54) are respectively connected with a first sliding rod (56), the first sliding rod (56) is connected with two moving blocks (57) in a sliding mode, and the plurality of moving blocks (57) are connected with connecting rods (58) in a cross rotating mode.

8. A noise reducing passive radiator as claimed in claim 5, wherein: the limiting mechanism (6) comprises a clamping block (61), the cover plate (44) is provided with a plurality of clamping blocks (61), the clamping blocks (61) are rotatably connected with movable blocks (62), and the movable blocks (62) are provided with a plurality of sliding grooves (65).

9. A noise reducing passive radiator as claimed in claim 8, wherein: sliding connection has lug (64) on spout (65), be connected with a plurality of non return blocks (63) on lug (64), non return block (63) sliding connection fixture block (61), fixedly connected with is to contact block (66) on movable block (62).

10. A noise reducing passive radiator as claimed in claim 9, wherein: fixedly connected with second slide bar (67) on conflict piece (66), second slide bar (67) sliding connection fixture block (61), twine spring (68) on second slide bar (67), spring (68) are contradicted between conflict piece (66) and fixture block (61).