Loudspeaker drum paper with composite structure

Abstract

The utility model relates to the technical field of loudspeaker cone paper, in particular to loudspeaker cone paper with a composite structure, which comprises a carcass and a dangling edge connected with the carcass, the dangling edge is arranged around the circumferential direction of the carcass, the dangling edge comprises an inner ring piece, an outer ring piece and an inner cavity, the outer ring piece and the inner ring piece are concentrically arranged, and the inner cavity is arranged between the inner ring piece and the outer ring piece. An inner cavity is formed by concavely arranging the joint between the inner ring piece and the outer ring piece, the inner ring piece, the inner cavity and the outer ring piece are integrally formed, the inner ring piece is downwards inclined towards the outer wall direction of the carcass body, an adhesive coating is arranged on the outer side of the inner ring piece, and the inner ring piece is connected with the carcass body through the adhesive coating. The drum paper is compact in structure and reasonable in design, has good structural rigidity, reduces the condition that the drum paper generates segmentation vibration, and obtains a better tone quality effect.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeaker drum paper, in particular to a loudspeaker drum paper with a composite structure. Background Art

[0002] Drum paper is one of the important components of the speaker. When the audio signal is input to the speaker, the voice coil vibrates under the action of the magnetic field. The voice coil is fixed on the drum paper, and the drum paper will vibrate with the voice coil. The vibration of the drum paper forces the air to resonate, thereby making a sound. When the vibration frequency reaches a certain value, the drum paper forms a regionalized segmented vibration due to the mutual interference of sound waves. Since the existing drum paper is mainly made of pulp, but the pulp has uneven distribution of pulp fibers and poor structural rigidity, the density of the drum paper is different in different places, which aggravates the segmented vibration of the drum paper, causing the sound from the speaker to be distorted, unable to fully display the original sound characteristics, and affecting the sound quality. Utility Model Content

[0003] The purpose of the utility model is to provide a speaker drum paper with a composite structure in view of the deficiencies in the prior art, which has a compact structure and a reasonable design, has good structural rigidity, reduces the situation where the drum paper produces split vibration, and obtains a better sound quality effect.

[0004] To achieve the above-mentioned purpose, the utility model provides a composite structure speaker drum paper, including a carcass and a hanging edge connected to the carcass, the hanging edge is arranged around the circumference of the carcass, the hanging edge includes an inner ring member, an outer ring member arranged concentrically with the inner ring member, and an inner cavity arranged between the inner ring member and the outer ring member, the inner cavity is recessed from the connection between the inner ring member and the outer ring member, the inner ring member, the inner cavity and the outer ring member are integrally formed, the inner ring member is inclined downward toward the outer wall of the carcass, the outer side of the inner ring member is provided with an adhesive coating, and the inner ring member is connected to the carcass through the adhesive coating.

[0005] Preferably, the carcass comprises a waterproof layer, a pulp layer, and a bulletproof fabric fiber layer which are connected in sequence, a first adhesive layer is provided between the waterproof layer and the pulp layer, a second adhesive layer is provided between the pulp layer and the bulletproof fabric fiber layer, the lower surface of the waterproof layer is bonded to the upper surface of the pulp layer via the first adhesive layer, the lower surface of the pulp layer is bonded to the upper surface of the bulletproof fabric fiber layer via the second adhesive layer, the waterproof layer is located at the inner wall of the carcass relative to the hanging edge, and the bulletproof fabric fiber layer is located at the outer wall of the carcass relative to the hanging edge.

[0006] Preferably, a groove is provided between the inner cavity and the outer ring member, and the groove is formed from the connection between the inner cavity and the outer ring member.

[0007] Preferably, the waterproof layer is made of PVC plastic.

[0008] Preferably, the hanging edge is made of rubber material.

[0009] The utility model has the following beneficial effects: the structure is compact and the design is reasonable, the structure has good rigidity, the situation that the drum paper generates split vibration is reduced, and a better sound quality effect is obtained. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Figure 2 It is a schematic diagram of the hanging edge structure of the utility model.

[0012] Figure 3 It is a schematic diagram of the carcass structure of the utility model.

[0013] Reference numerals include:

[0014] 1——carcass 11——waterproof layer 12——pulp layer

[0015] 13——Ballistic fabric fiber layer 14——First adhesive layer 15——Second adhesive layer

[0016] 2——hanging edge 21——inner ring 22——outer ring

[0017] 23 - Inner cavity 24 - Adhesive coating 25 - Groove. DETAILED DESCRIPTION

[0018] The utility model is described in detail below with reference to the accompanying drawings.

[0019] like Figures 1 to 3 As shown, a composite structure of a speaker drum paper of the utility model comprises a carcass 1 and a hanging edge 2 connected to the carcass 1, wherein the hanging edge 2 is arranged around the circumference of the carcass 1, and the hanging edge 2 comprises an inner ring member 21, an outer ring member 22 arranged concentrically with the inner ring member 21, and an inner cavity 23 arranged between the inner ring member 21 and the outer ring member 22, wherein the inner cavity 23 is recessed at the connection between the inner ring member 21 and the outer ring member 22, the inner ring member 21, the inner cavity 23, and the outer ring member 22 are integrally formed, the inner ring member 21 is inclined downward toward the outer wall of the carcass 1, an adhesive coating 24 is arranged on the outer side of the inner ring member 21, and the inner ring member 21 is connected to the carcass 1 via the adhesive coating 24.

[0020] The inner ring 21, the inner cavity 23 and the outer ring 22 are integrally formed and combined to form the suspension 2. The integrated overall structure is firm and reliable, and does not require too many assembly production steps, making the production process simple. The inner ring 21 is tilted downward toward the outer wall of the carcass 1 to increase the contact area between the inner ring 21 and the carcass 1. The inner ring 21 is connected to the carcass 1 through an adhesive coating 24, and then the inner ring 21 is fixed to the carcass 1 by a hot pressing molding process to improve the molding effect. The cross-sectional shape of the inner cavity 23 is semicircular, and the inner cavity 23 is smoothly transitioned between the inner ring 21 and the outer ring 22, so that the overall force of the suspension 2 is uniform and it is not easy to be offset and skewed due to uneven force. The structural rigidity and stable supporting performance of the suspension 2 are improved, which helps to reduce the segmentation vibration of the drum paper, prevent the drum paper from being unable to be used normally due to bending and deformation, and extend the service life. At the same time, it also ensures that the speaker is provided with better output power and audio characteristics to enhance the user experience. The utility model has a compact structure and a reasonable design, has good structural rigidity, reduces the situation where the drum paper generates split vibration, and obtains a better sound quality effect.

[0021] The carcass 1 of this embodiment includes a waterproof layer 11, a pulp layer 12, and a bulletproof cloth fiber layer 13 which are connected in sequence. A first adhesive layer 14 is provided between the waterproof layer 11 and the pulp layer 12, and a second adhesive layer 15 is provided between the pulp layer 12 and the bulletproof cloth fiber layer 13. The lower surface of the waterproof layer 11 is bonded to the upper surface of the pulp layer 12 through the first adhesive layer 14, and the lower surface of the pulp layer 12 is bonded to the upper surface of the bulletproof cloth fiber layer 13 through the second adhesive layer 15. The waterproof layer 11 is located on the inner wall of the carcass 1 relative to the hanging edge 2, and the bulletproof cloth fiber layer 13 is located on the outer wall of the carcass 1 relative to the hanging edge 2. Specifically, the lower surface of the waterproof layer 11 is bonded to the upper surface of the pulp layer 12 through the first adhesive layer 14, and the lower surface of the pulp layer 12 is bonded to the upper surface of the bulletproof fabric fiber layer 13 through the second adhesive layer 15, thereby realizing the close bonding and forming between the waterproof layer 11, the pulp layer 12, and the bulletproof fabric fiber layer 13. The waterproof layer 11 is located on the inner wall of the carcass 1 relative to the hanging edge 2, so that the drum paper has good waterproof performance and structural strength, and effectively prevents the drum paper from deforming and bending due to water absorption and moisture. Even in a humid environment, the drum paper can be used normally. The bulletproof fabric fiber layer 13 is located on the outer wall of the carcass 1 relative to the hanging edge 2. The bulletproof fabric fiber layer 13 itself has the characteristics of light weight and high rigidity, which can prevent the carcass 1 from being damaged after long-term use, reduce the adverse effects on the performance of the drum paper, and have a wider frequency response and lower distortion, so as to better restore the sound quality effect.

[0022] In this embodiment, a groove 25 is provided between the inner cavity 23 and the outer ring member 22, and the groove 25 is formed by recessing at the connection between the inner cavity 23 and the outer ring member 22. Specifically, the groove 25 is formed by recessing at the connection between the inner cavity 23 and the outer ring member 22, and the structure is compact and simple. The hanging edge 2 is fixed to the external basin frame by correspondingly snapping with the groove 25, which increases the contact area, facilitates positioning and is firmly fixed, and is simple and convenient to operate, so that the position fixing effect of the hanging edge 2 is good, and it is not easy to deviate and skew, so that the subsequent hanging edge 2 is further strengthened and bonded to the basin frame by glue, thereby improving the assembly efficiency.

[0023] The waterproof layer 11 of this embodiment is made of PVC plastic. Specifically, the waterproof layer 11 is made of PVC plastic, which has a smooth surface, does not absorb water and moisture, and is not easily attached to dust and foreign matter, making it easy to clean and maintain, thereby improving the waterproof performance of the drum paper and extending its service life.

[0024] The suspension 2 of this embodiment is made of rubber material. Specifically, as a preferred embodiment, the suspension 2 is made of TPE, TPU or RB material and manufactured by hot pressing. The suspension 2 made of rubber material has high elasticity, effectively reduces the resonance phenomenon of the speaker, plays a good buffering and balancing role, has small deformation and distortion, and ensures good sound quality.

[0025] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A speaker drum paper with a composite structure, characterized in that: It includes a carcass and a hanging edge connected to the carcass, the hanging edge is arranged around the circumference of the carcass, the hanging edge includes an inner ring, an outer ring concentrically arranged with the inner ring, and an inner cavity arranged between the inner ring and the outer ring, the inner cavity is recessed from the connection between the inner ring and the outer ring, the inner ring, the inner cavity and the outer ring are formed as one piece, the inner ring is inclined downward toward the outer wall of the carcass, an adhesive coating is provided on the outer side of the inner ring, and the inner ring is connected to the carcass through the adhesive coating.

2. The speaker drum paper of the composite structure according to claim 1, characterized in that: The carcass comprises a waterproof layer, a pulp layer, and a bulletproof fabric fiber layer which are connected in sequence; a first adhesive layer is arranged between the waterproof layer and the pulp layer, a second adhesive layer is arranged between the pulp layer and the bulletproof fabric fiber layer, the lower surface of the waterproof layer is bonded to the upper surface of the pulp layer through the first adhesive layer, the lower surface of the pulp layer is bonded to the upper surface of the bulletproof fabric fiber layer through the second adhesive layer, the waterproof layer is located at the inner wall of the carcass relative to the hanging edge, and the bulletproof fabric fiber layer is located at the outer wall of the carcass relative to the hanging edge.

3. The speaker drum paper of the composite structure according to claim 1, characterized in that: A groove is arranged between the inner cavity and the outer ring, and the groove is formed from the connection between the inner cavity and the outer ring.

4. The speaker drum paper of the composite structure according to claim 2, characterized in that: The waterproof layer is made of PVC plastic.

5. The speaker drum paper of the composite structure according to claim 1, characterized in that: The hanging edge is made of rubber material.

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