A loudspeaker with an expandable cone mounting structure

Abstract

A loudspeaker with an expandable cone mounting structure includes a cone, an aluminum bridge, and a voice coil. The aluminum bridge includes an extension portion, a voice coil mounting portion, and a cone support portion. The extension portion is arc-shaped or groove-shaped. The cone support portion and the voice coil mounting portion are located on opposite sides of the extension portion. The voice coil mounting portion is an annular plate extending along the axial direction of the cone. The outer wall of the voice coil is disposed on the annular plate. The cone support portion extends in a direction parallel to, perpendicular to, or at an angle to the axial direction of the cone, forming an annular step. One end of the cone is fixedly mounted on the cone support portion. This loudspeaker improves its expandability by using the aluminum bridge between the voice coil and the cone; that is, different cones can be used on the same magnetic circuit system, thus facilitating flexible manufacturing of the loudspeaker.

Description

Technical Field

[0001] This utility model relates to the field of speaker equipment technology, and in particular to a loudspeaker with an expandable paper cone mounting structure. Background Technology

[0002] In everyday use, speaker systems typically employ a combination of multiple speakers to achieve a full-range sound that meets diverse user needs. These combination systems work by integrating several speakers to enhance the overall high and low frequencies, and are primarily used in large indoor or outdoor performance venues. Therefore, such combination systems often require different types of loudspeakers, each necessitating different structural designs. This reduces speaker manufacturing compatibility and hinders cost reduction.

[0003] For example, patent number CN202021890366.8, entitled "A Speaker with an Expandable Speaker Chamber," includes a housing, a speaker chamber, a sealing plate, a control chamber, a speaker end cap, and a control end cap. The sealing plate divides the housing into the speaker chamber and the control chamber. It also includes an expansion chamber with a connecting strip, a gear tooth groove, and a sealing groove. The housing has a connecting groove, a gear placement through hole, and a gear. The connecting groove, the gear placement through hole, and the gear are all located within the speaker chamber. The expansion chamber is slidably fitted into the speaker chamber of the housing via the connecting strip. The gear meshes with the gear tooth groove. The speaker end cap is fixed to the left end face of the expansion chamber, and the control end cap is fixed to the right end face of the control chamber. The speaker chamber of this application's device can be expanded, fundamentally adjusting the speaker's sound effect.

[0004] Although the technical solutions disclosed in the aforementioned patents can adjust the sound output of a loudspeaker by changing the sound chamber, they still do not solve the manufacturing compatibility issue. Utility Model Content

[0005] In view of this, the present invention provides a loudspeaker with an expandable cone mounting structure that can solve the above problems.

[0006] A loudspeaker with an expandable cone mounting structure includes a cone, an aluminum bridge fixed to one end of the cone, and a voice coil fixedly connected to the aluminum bridge. The aluminum bridge includes an extension, a voice coil mounting portion disposed on the side of the extension facing the voice coil, and a cone support portion disposed on the side facing away from the voice coil mounting portion. The extension is arc-shaped or groove-shaped. The cone support portion and the voice coil mounting portion are located on opposite sides of the extension. The voice coil mounting portion is an annular plate extending along the axial direction of the cone. The outer wall of the voice coil is disposed on the annular plate. The cone support portion extends in a direction parallel to, perpendicular to, or at an angle to the axial direction of the cone, forming an annular step. One end of the cone is fixedly mounted on the cone support portion.

[0007] Furthermore, the speaker with the expandable cone mounting structure also includes a frame, on which the other end of the cone is fixedly mounted.

[0008] Furthermore, the paper basin includes a folded edge portion and a diaphragm portion connected to the folded edge portion. One end of the folded edge portion is fixed to the basin frame, and one end of the diaphragm portion is fixed to the paper basin mounting portion.

[0009] Furthermore, the aluminum bridge is made of aluminum alloy.

[0010] Furthermore, the aluminum bridge also includes a spring-loaded mounting part located on the same side as the paper tray support part, the spring being used to mount a spring.

[0011] Furthermore, the wave mount is a step, and the extension direction of the step is perpendicular to the axial direction of the paper basin.

[0012] Furthermore, the aluminum bridge is also provided with at least one heat dissipation hole.

[0013] Compared with existing technologies, the loudspeaker with an expandable cone mounting structure provided by this utility model improves the expandability of the loudspeaker by setting the aluminum bridge between the voice coil and the cone. Specifically, the aluminum bridge includes an extension portion, and the cone mounting portion and the voice coil mounting portion are located on both sides of the extension portion. During manufacturing, since the size of the voice coil is fixed, only the size of the voice coil mounting portion needs to be ensured. The size, position, and shape of the cone mounting portion can be designed with different structural parameters according to different cones, thereby improving the expandability and compatibility of the loudspeaker. That is, different cones can be used on the basis of the same magnetic circuit system, which is beneficial to the flexible manufacturing of the loudspeaker. Attached Figure Description

[0014] Figure 1This is a schematic diagram of a speaker with an expandable paper cone mounting structure provided by this utility model.

[0015] Figure 2 for Figure 1 A cross-sectional schematic diagram of a loudspeaker with an expandable cone mounting structure.

[0016] Figure 3 for Figure 1 A magnified view of a speaker with an expandable cone mounting structure at point A. Detailed Implementation

[0017] The specific embodiments of this utility model are described in further detail below. It should be understood that the description of the embodiments of this utility model herein is not intended to limit the scope of protection of this utility model.

[0018] like Figures 1 to 3 The diagram shown is a structural schematic of a loudspeaker with an expandable cone mounting structure according to this utility model. The loudspeaker with the expandable cone mounting structure includes a frame 10, a cone 20 fixed at one end to the frame 10, an aluminum bridge 30 fixed to the other end of the cone 20, and a voice coil 40 fixedly connected to the aluminum bridge 30. It is understood that the loudspeaker also includes other functional modules, such as a magnetic circuit system, electrical connection components, a spider assembly, etc., which are technologies well known to those skilled in the art and will not be described in detail here.

[0019] The speaker frame 10 is a prior art technology and is common to every speaker. In this embodiment, the speaker frame 10 can be made of metal, such as aluminum alloy. The speaker frame 10 is bowl-shaped and hollow to facilitate heat dissipation. The integrally formed speaker frame 10 is also used to assemble the magnetic circuit system and the spring wave assembly, which will not be described in detail here.

[0020] The paper cone 20, also referred to as a diaphragm, but conventionally called a paper cone, includes a folded edge 21 fixedly connected at one end to the frame 10, and a diaphragm portion 22 connected to the other end of the folded edge 21. The cross-sectional profile of the folded edge 21 is arc-shaped to facilitate the vibration of the diaphragm portion 22. The diaphragm portion 22 is used to produce sound under the drive of the voice coil 40. The diaphragm portion 22 is typically made of fiberglass cloth, which is existing technology and will not be described in detail here.

[0021] The aluminum bridge 30 is made of aluminum alloy, which is not only lightweight and rigid, but also has good heat dissipation, thus facilitating heat dissipation while also improving the output power of the voice coil 40. In a cross-section along the central axis of the cone 20, the bridge 30 includes an extension 31, a voice coil mounting portion 32 disposed on the side of the extension 31 facing the voice coil 40, a cone mounting portion 33 disposed on the side opposite to the voice coil mounting portion 32, and a spider mounting portion 34 disposed on the same side as the cone mounting portion 33. The extension 31 can be arc-shaped or groove-shaped. One side of the extension 31 is used to assemble the voice coil 40, while the other side is used to assemble the cone 20 and the spider (not shown). During assembly, to ensure the movement trajectory of the voice coil 40, i.e., a strictly straight up-and-down movement trajectory, it is often necessary to sacrifice the assembly accuracy of the cone 20. However, in this embodiment, since the aluminum bridge 30 has the extension portion 31, and the extension portion 31 is arc-shaped or groove-shaped, the structural shape of different paper cones 20 can be satisfied by changing the size of the extension portion 31. That is, the structure of the voice coil mounting portion 32 on one side of the extension portion 31 remains unchanged, while the size, shape, and other parameters of the paper cone 20 can be adapted by changing the central angle, arc length, and even the cross-sectional profile shape of the extension portion 31. Furthermore, according to different sound effects, the angle between the extension direction of the diaphragm portion 22 of the paper cone 20 and the axis of the voice coil 40 can be set by setting the position of the paper cone mounting portion 33. In other words, without changing the parameters of the magnetic circuit system, voice coil 40, and frame 10, only the aluminum bridge 30 and the paper cone 20 can be changed to create loudspeakers with different sound effects, thus achieving the purpose of expansion.

[0022] The voice coil mounting portion 32 can be an annular plate extending axially along the cone 20, which can be bonded to the outer wall of the voice coil 40 with adhesive. The size of the voice coil mounting portion 32 should be set according to the size of the voice coil 40. For loudspeakers of the same series, the size and position of the voice coil mounting portion 32 should be fixed.

[0023] The cone support 33 and the voice coil mounting part 32 are located on opposite sides of the extension part 31. The cone support 33 can be a step, the extension direction of which is perpendicular to the axial direction of the cone 20. Of course, it is understood that the cone support 33 can also be other structural types, such as an annular shape with its extension direction parallel to the axial direction of the cone 20 or at a certain angle, etc., which can be designed according to the different structures of the cone 20.

[0024] The spider mounting portion 34 is used to assemble the spider. Since the main functions of the spider are to maintain the vertical position of the voice coil 40 in the magnetic gap, constrain the axial movement of the vibration system, and, together with the surround, position the diaphragm and provide restoring force, the spider mounting portion 34 is a step, and the extension direction of this step is perpendicular to the axial direction of the cone 20. This makes the spider mounting portion 34 a platform, which helps ensure that the extension direction of the installed spider is perpendicular to the axial direction of the cone 20, thereby helping to maintain the vertical movement of the voice coil in the magnetic gap.

[0025] In addition, to improve the heat dissipation performance of the aluminum bridge 30, at least one heat dissipation hole 35 is provided on the aluminum bridge 30. The location and number of the heat dissipation holes 35 can be designed according to actual needs, and will not be described in detail here.

[0026] The voice coil 40 is a prior art technology, common to all loudspeakers. The voice coil 40 consists of at least one layer of coil wound around the outside of a cylindrical structure. When alternating current is applied to the coil, the coil reciprocates along the axis of the voice coil 40 under the action of the magnetic circuit system, thereby driving the diaphragm 22 to reciprocate, thus achieving the purpose of sound production.

[0027] Compared with the prior art, the loudspeaker with an expandable cone mounting structure provided by this utility model improves the expandability of the loudspeaker by setting the aluminum bridge 30 between the voice coil 40 and the cone 20. Specifically, the aluminum bridge 30 includes an extension portion 31, and the cone mounting portion 33 and the voice coil mounting portion 32 are located on both sides of the extension portion 31. During manufacturing, since the size of the voice coil 40 is fixed, only the size of the voice coil mounting portion 32 needs to be ensured. The size, position, and shape of the cone mounting portion 33 can be designed with different structural parameters according to different cones 20, thereby improving the expandability and compatibility of the loudspeaker. That is, different cones can be used on the basis of the same magnetic circuit system, which is beneficial to the flexible manufacturing of the loudspeaker.

[0028] The above are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Any modifications, equivalent substitutions or improvements within the spirit of the present utility model are covered within the scope of the claims of the present utility model.

Claims

1. A speaker having an expandable paper cone mounting structure, characterized by: The loudspeaker with an expandable cone mounting structure includes a cone, an aluminum bridge fixed to one end of the cone, and a voice coil fixedly connected to the aluminum bridge. The aluminum bridge includes an extension, a voice coil mounting portion disposed on the side of the extension facing the voice coil, and a cone mounting portion disposed on the side facing away from the voice coil mounting portion. The extension is arc-shaped or groove-shaped. The cone mounting portion and the voice coil mounting portion are located on opposite sides of the extension. The voice coil mounting portion is an annular plate extending along the axial direction of the cone. The outer wall of the voice coil is disposed on the annular plate. The extending direction of the cone mounting portion is parallel to, perpendicular to, or at a certain angle to the axial direction of the cone, forming an annular step. One end of the cone is fixedly mounted on the cone mounting portion.

2. The speaker having an expandable paper cone mounting structure according to claim 1, wherein: The speaker with an expandable cone mounting structure also includes a frame, on which the other end of the cone is fixed.

3. The speaker having an expandable paper cone mounting structure according to claim 2, wherein: The paper basin includes a folded edge and a diaphragm connected to the folded edge. One end of the folded edge is fixed to the basin frame, and one end of the diaphragm is fixed to the paper basin support.

4. The speaker having an expandable paper cone mounting structure according to claim 1, wherein: The aluminum bridge is made of aluminum alloy.

5. The speaker having an expandable paper cone mounting structure according to claim 1, wherein: The aluminum bridge also includes a spring-loaded mounting part located on the same side as the paper tray support part, the spring being used to mount a spring.

6. The loudspeaker with an expandable cone mounting structure as described in claim 5, characterized in that: The spring-loaded mounting portion is a step, and the extension direction of the step is perpendicular to the axial direction of the paper basin.

7. The speaker having an expandable paper cone mounting structure according to claim 1, wherein: The aluminum bridge is also provided with at least one heat dissipation hole.

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