CN219329824U - Passive radiator - Google Patents

Abstract

The utility model discloses a passive radiator, which comprises a bracket, a first counterweight and a second counterweight, wherein the bracket is provided with a first support and a second support; the centering support is characterized in that a centering support piece is arranged in the support, a connecting hole is formed in the centering support piece, the first counterweight and the second counterweight are respectively provided with threaded holes corresponding to the connecting hole, and the first counterweight and the second counterweight are respectively arranged on two sides of the center of the centering support piece through screws. The utility model has firm and stable structure and simple and reliable assembly, and can avoid the structural damage of the passive radiator caused by the degumming between the counterweight and the centering support sheet, thereby prolonging the service life of the product.

Description

Passive radiator

Technical Field

The utility model relates to the technical field of speakers, in particular to a passive radiator.

Background

Currently, in order to boost bass, a speaker system is usually configured with a passive radiator on a sound box structure. When the active loudspeaker moves, the passive radiator is driven to move through the gas coupling in the sound box, so that the passive radiator can sound, and the aim of improving the low-frequency effect is fulfilled.

The existing passive radiator mainly comprises a bracket, a cone basin, a folding ring, a centering support piece and a counterweight, wherein the counterweight and the centering support piece are connected and generally fixed by glue. The connection mode has the defect of easy degumming: because the audio amplifier is at high-power ultralow frequency during operation, the vibration speed of passive radiator is very high, and the inertial force of counter weight is very big, and the glue of bonding counter weight will bear very big shearing force, and when the inertial force of counter weight was greater than the shearing force of glue, the circumstances that comes unstuck will appear, and then leads to the configuration to become flexible and drop, damages passive radiator, influences product life.

Disclosure of Invention

The present utility model is directed to a passive radiator, which solves the above-mentioned problems. In order to achieve the above purpose, the present utility model provides the following technical solutions:

a passive radiator comprising a bracket, a first counterweight and a second counterweight; the centering support is characterized in that a centering support piece is arranged in the support, a connecting hole is formed in the centering support piece, the first counterweight and the second counterweight are respectively provided with threaded holes corresponding to the connecting hole, and the first counterweight and the second counterweight are respectively arranged on two sides of the centering support piece through screws.

Further, the center of the centering support piece is provided with a boss, the boss is provided with a connecting hole, and the first counterweight and the second counterweight are respectively arranged on two sides of the boss.

Further, glue is arranged between the centering support piece and the first counterweight.

Further, glue is arranged between the centering support piece and the second counterweight.

Further, the cone basin comprises a cone basin body and a folding ring, the folding ring is installed on the support, the top of the cone basin body is connected with the folding ring, and the bottom of the cone basin body is sleeved on the periphery of the boss.

Further, glue is arranged between the cone basin and the boss.

Further, the cone basin comprises a folding ring, the folding ring is arranged on the support, and the top of the cone basin is connected with the folding ring.

Further, a dust cap is also arranged in the cone basin.

The utility model has the beneficial effects that: the utility model has firm and stable structure and simple and reliable assembly, and can avoid the structural damage of the passive radiator caused by the degumming between the counterweight and the centering support sheet, thereby prolonging the service life of the product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the present utility model.

It should be noted that the drawings are not necessarily to scale, but are merely shown in a schematic manner that does not affect the reader's understanding.

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 present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.

It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

As shown in fig. 1, a passive radiator includes a bracket 1, a first weight 2, and a second weight 3; the support 1 is provided with a centering support piece 4, the centering support piece 4 is provided with a connecting hole, the first counterweight 2 and the second counterweight 3 are respectively provided with threaded holes corresponding to the positions of the connecting holes, and the first counterweight 2 and the second counterweight 3 are respectively installed on two sides of the centering support piece 4 through screws 5.

In this embodiment of the application, divide into two with the counter weight, through with first counter weight 2 and the centre gripping of second counter weight 3 in the both sides of centering piece 4 to make the connecting hole of centering piece 4 and first counter weight 2 and the 3 screw holes of second counter weight align then connect through penetrating screw 5 and fasten, in order to realize the fixed connection of counter weight and centering piece. Compared with the traditional passive radiator with the counterweight fixed by glue, the structure is firmer and more stable, the assembly is simple and reliable, and the structural damage of the passive radiator caused by degumming between the counterweight and the centering support sheet can be avoided, so that the service life of a product is prolonged.

Further, the center of the centering support 4 is provided with a boss 41, the boss 41 is provided with a connecting hole, and the first counterweight 2 and the second counterweight 3 are respectively arranged on two sides of the boss 41. Specifically, the connection holes on the boss 41 are aligned with the threaded holes on the first and second weights 2 and 3, and the first and second weights 2 and 3 are respectively mounted and fixed on both sides of the boss 41 by the screws 5.

Further, glue is provided between the centering plate 4 and the first balance weight 2. To further strengthen the connection between the centring disk 4 and the first counterweight 2.

Further, glue is provided between the centering plate 4 and the second balance weight 3. To further strengthen the connection between the centring disk 4 and the second counterweight 3.

Further, the cone basin comprises a cone basin body 6 and a folding ring 7, wherein the folding ring 7 is arranged on the support 1, the top of the cone basin body 6 is connected with the folding ring 7, and the bottom of the cone basin body 6 is sleeved on the periphery of the boss 41. Specifically, the folded ring 7 and the cone basin 6 are connected with the first counterweight 2 and the second counterweight 3 through the boss 41 on the centering support piece 4, and the low-frequency resonant frequency of the passive radiator can be easily and conveniently adjusted through hardness adjustment of the folded ring 7 and the centering support piece 4 or weight adjustment of the first counterweight 2 and the second counterweight 3.

Further, glue is provided between the cone 6 and the boss 41. To achieve a secure connection of the cone 6 with the boss 41.

Further, a dust cap 8 is also provided in the cone 6.

It should also be noted that, in the embodiments of the present utility model, the features of the embodiments of the present utility model and the features of the embodiments of the present utility model may be combined with each other to obtain new embodiments without conflict.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model as defined in the claims. Although the present utility model has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the scope of the utility model, and it is intended to cover all such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (7)

1. A passive radiator, characterized by: comprises a bracket, a first counterweight and a second counterweight; the centering support is characterized in that a centering support piece is arranged in the support, a connecting hole is formed in the centering support piece, the first counterweight and the second counterweight are respectively provided with threaded holes corresponding to the connecting hole, and the first counterweight and the second counterweight are respectively arranged on two sides of the center of the centering support piece through screws.

2. The passive radiator according to claim 1, characterized in that: the center of the centering support piece is provided with a boss, the boss is provided with a connecting hole, and the first counterweight and the second counterweight are respectively arranged on two sides of the boss.

3. The passive radiator according to claim 2, characterized in that: glue is arranged between the centering support piece and the first counterweight.

4. A passive radiator according to claim 3, characterized in that: glue is arranged between the centering support piece and the second counterweight.

5. The passive radiator according to claim 2, characterized in that: still include the awl basin and roll over the ring, roll over the ring install in on the support, awl basin top with roll over the ring and be connected, awl basin bottom cup joint in boss periphery.

6. The passive radiator according to claim 5, wherein: glue is arranged between the cone basin and the boss.

7. The passive radiator according to claim 5, wherein: and a dustproof cap is also arranged in the cone basin.

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