WO2015188523A1

WO2015188523A1 - Speaker fixing device and speaker device

Info

Publication number: WO2015188523A1
Application number: PCT/CN2014/087690
Authority: WO
Inventors: 牛恩民
Original assignee: 京东方科技集团股份有限公司; 北京京东方视讯科技有限公司
Priority date: 2014-06-13
Filing date: 2014-09-28
Publication date: 2015-12-17
Also published as: CN204180220U

Abstract

A speaker fixing device and speaker device; the speaker fixing device comprises a fixed plate (11) and at least one cushioning connection piece (12); the cushioning connection piece (12) is used to fix a speaker on the fixed plate (11); and the speaker device comprises the speaker and the speaker fixing device.

Description

Speaker fixture and speaker device

Technical field

The present invention relates to the field of audio device technologies, and in particular, to a speaker fixing device and a speaker device.

Background technique

At present, in terminal products such as LCD TVs with speakers, the speakers are basically fixed by screws. 1 is a cross-sectional view of a conventional speaker fixing device. First, the speaker 10 is mounted on the positioning post of the fixing plate 11, and then the speaker 10 is locked to the positioning post by a screw 13, and then the cushion 14 is placed at the joint portion. This fixing method is difficult to control the tightness of the fixing of the screw 13 to the speaker 10, and it is easy to cause the speaker 10 to resonate with the product casing, thereby adversely affecting the sound quality of the speaker.

Summary of the invention

It is an object of the present invention to provide a speaker fixing device and a speaker device, which solve the technical problem that the speaker and the terminal product casing resonate and affect the sound effect.

In order to solve the above technical problem, as a first aspect of the present invention, a speaker fixing device including a fixing plate and at least one buffer connecting member for fixing a speaker to the fixing plate is provided.

Preferably, the fixing plate is provided with a first engaging hole, and the buffer connecting member is provided with a first engaging engagement portion that cooperates with the first engaging hole.

Preferably, the first engaging hole is a through hole penetrating the fixing plate in a thickness direction of the fixing plate, and a horizontal portion of the buffer connecting member located above and below the first engaging and fitting portion The cross-sectional area is larger than the hole area of the first engaging hole.

Preferably, the buffer connector further has a tail portion, one end of the tail portion constitutes an end of the buffer connecting member, and the outer diameter of the end portion is smaller than an aperture of the first engaging hole, and the other end of the tail portion is The first engagement engagement portion is immediately adjacent, and the tail portion has an inverted tapered configuration in which a cross-sectional area gradually increases in a direction from the end toward the first engagement engagement portion.

Preferably, the buffer connector is provided with a second engaging mating portion, and a portion of the buffer connecting member above and below the second engaging mating portion has a larger cross-sectional area than the second engaging portion. The second engaging mating portion is configured to cooperate with the to-be-fixed portion of the speaker.

Preferably, the buffer connector is formed in a unitary structure with the fixing plate.

As a second aspect of the present invention, there is also provided a speaker device comprising a speaker and a speaker fixing device, which is the above-described speaker fixing device provided by the present invention.

Preferably, the housing of the speaker is provided with a to-be-fixed portion, and the to-be-fixed portion is provided with a second engaging hole, and the second engaging hole is inserted through the thickness direction of the to-be-fixed portion. a through hole of the fixing portion, the buffer connecting member is provided with a second engaging mating portion, and a cross-sectional area of the portion of the buffer connecting member located above and below the second engaging mating portion is greater than the first portion The hole area of the two engaging holes, the second engaging and engaging portion is engaged with the second engaging hole.

Preferably, the to-be-fixed portion is further provided with a passage for penetrating the second engaging hole and the edge of the to-be-fixed portion, and the second engaging and engaging portion enters the second card through the passage. Hole.

Preferably, the inner diameter at the widest point of the passage is smaller than the inner diameter of the second engaging hole.

The present invention effectively solves the problem that the speaker and the end product casing resonate and affect the sound quality by using a buffer connector having both a buffering and a connecting function to fix the speaker. On the other hand, the present invention saves the conventional screws for fixing the speaker, reduces the cost, and improves the assembly efficiency of the speaker.

DRAWINGS

The drawings are intended to provide a further understanding of the invention, and are intended to be a

Figure 1 is a cross-sectional view of a conventional speaker fixing device;

2 is a cross-sectional view of a speaker fixing device according to an embodiment of the present invention;

Figure 3 is a diagram showing the speaker and speaker fixtures installed in one embodiment of the present invention. a perspective view of the process;

Figure 4 is an enlarged view of a portion indicated by reference numeral I in Figure 3;

Figure 5 is a cross-sectional view showing a speaker fixing device in which a buffer connector and a fixing plate are integrally formed in another embodiment of the present invention;

Figure 6 is a cross-sectional view showing the buffer connecting member and the fixing plate during the mounting process in the embodiment of the present invention;

In the drawings, 10: speaker; 11: fixed plate; 12: buffer connector; 13: screw; 14: cushion; 105: to be fixed; 110: first engaging hole; 120: second engaging hole ; 130: channel; 210: first snap fit portion; 220: second snap fit portion; 230: tail portion.

detailed description

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative and not restrictive.

A first aspect of the invention provides a speaker fixture, as shown in FIG. The speaker fixture includes a fixed plate 11 and at least one buffer connector 12 for fixing the speaker 10 to the fixed plate 11.

The cushioning connector 12 can be made of a material that is suitably resilient, such that the cushioning connector 12 has the same cushioning capacity as prior art cushions. In addition, the appropriate elasticity also enables the cushioning connector 12 to secure the speaker 10 to the fixed plate 11 with an appropriate resilience when mated with the speaker 10 and the fixed plate 11. It can be seen that, compared with the prior art that the screw 13 is used to fix the speaker 10, the buffer connector 12 of the present invention has the functions of buffering and connecting at the same time, effectively preventing the speaker 10 and the end product (for example, a liquid crystal television) from being produced. Resonance affects the sound quality effect.

On the other hand, the present invention saves the conventional screws for fixing the speaker, reduces the cost, and improves the assembly efficiency of the speaker.

3 is a perspective view of a speaker and speaker fixing device in an embodiment of the present invention, and FIG. 4 is an enlarged view of a portion indicated by reference numeral 1 in FIG. The fixing plate 11 is provided with a first engaging hole 110, and the buffer connecting member 12 is provided with a first engaging hole 110 is matched with the first engagement mating portion 210.

The first engaging hole 110 is a through hole penetrating the fixing plate 11 in the thickness direction of the fixing plate 11. The cross-sectional area of the portion of the buffer connecting member 12 above the first engaging mating portion 210 and the buffer connecting member 12 are located. The cross-sectional area of the portion below the first engaging portion 210 is greater than the cross-sectional area of the first engaging portion 210 and is larger than the hole area of the first engaging hole 110. The axial length of the first engagement fitting portion 210 is substantially equal to or slightly larger than the thickness of the fixing plate 11. Since the cushioning connector 12 has appropriate elasticity, when the first engaging and fitting portion 210 of the cushioning connector 12 is engaged with the through hole of the fixing plate 11, the pressing force on the first engaging and fitting portion 210 is caused. The first engaging portion 210 is slightly deformed so that it can be smoothly fitted into the through hole of the fixing plate 11; and after the fitting is completed, the elasticity of the first engaging portion 210 makes it securely stuck In the hole, the purpose of firmly fixing the buffer connecting member 12 to the fixing plate 11 is achieved.

Preferably, the first engaging and fitting portion 210 may be cylindrical, and the outer diameter of the portion of the buffer connecting member 12 above and below the first engaging and fitting portion 210 is larger than the outer portion of the first engaging and fitting portion 210. The diameters are both larger than the apertures of the first engaging holes 110, so that they can be easily processed.

Further, the buffer connector 12 has a tail portion 230. One end of the tail portion 230 is, for example, a cylindrical end to constitute the end of the cushioning connector 12, and the other end of the tail portion 230 is adjacent to the first engaging mating portion 210 of the cushioning connector 12. The tail portion 230 has an inverted tapered configuration, that is, the outer diameter of the tail portion 230 is smaller than the diameter of the first engaging hole 110, and the cross-sectional area of the tail portion 230 gradually increases from the end toward the first engaging engagement portion 210. The portion of the tail portion 230 adjacent to the first engaging engagement portion 210 is formed to be a truncated cone portion having a cross-sectional area larger than that of the first engaging hole 110. With the inverted tapered configuration, the tail portion 230 can pass through the first engaging hole 110 under the action of an external force, and the first engaging and fitting portion 210 can be cooperatively fixed with the first engaging hole 110.

Further, the buffer connector 12 is further provided with a second engaging mating portion 220 for connecting with the speaker 10, in particular, with the to-be-fixed portion 105 (described later in detail) on the speaker 10. The cross-sectional area of the portion of the buffer connector 12 above and below the second engagement mating portion 220 is greater than the cross-sectional area of the second engagement mating portion 220. The axial length of the second engaging mating portion 220 is substantially equal to or slightly larger than the speaker 10 The thickness of the second engaging hole 120 on the fixing portion 105. Since the buffer connector 12 has appropriate elasticity, when the second engagement portion 220 of the buffer connector 12 is engaged with the second engagement hole 120, the pressing force on the second engagement portion 220 is caused. The second engaging portion 220 is slightly deformed so that it can be smoothly fitted into the second engaging hole 120; and after the fitting is completed, the elasticity of the second engaging portion 220 makes it securely stuck in the second In the two engaging holes 120, a stable fit between the buffer connecting member 12 and the speaker 10 is achieved.

The second engaging and fitting portion 220 may be cylindrical, and the outer diameter of the portion of the cushioning connector 12 above and below the second engaging and fitting portion 220 is greater than the outer diameter of the second engaging and fitting portion 210.

In view of the stability and cost of the speaker fixing, the number of the buffer connectors 12 is preferably two, and may be respectively fixed at both ends of the speaker 10. It should be noted that the present invention is also applicable to a structure that does not include the first engaging hole 110 and the first engaging mating portion 210. For example, in another embodiment of the present invention shown in FIG. 5, the buffer connecting member 12 may be The fixing plate 11 is formed in an integrated structure, so that the speaker 10 can be fixed to the fixing plate 11 while simplifying the process.

As described above, the buffer connector 12 has a function of buffering resonance, and the material thereof may be a material having appropriate elasticity such as polystyrene resin, polyethylene resin, polyvinyl chloride resin, or polypropylene resin.

In the embodiment shown in FIG. 3 and FIG. 4, the housing of the speaker 10 is provided with a portion to be fixed 105, and a second engaging hole 120 is disposed on the portion to be fixed 105. The second engaging hole 120 is a through hole penetrating the to-be-fixed portion 105 in the thickness direction of the portion to be fixed 105. As described above, the buffer connector 12 is further provided with a second engagement portion 220. The cross-sectional area of the portion of the buffer connector 12 above and below the second engagement portion 220 is greater than the second engagement portion. The cross-sectional area of the second engaging hole 220 is matched with the second engaging hole 120. The degree of tightness fixed to the speaker can be controlled by adjusting the cross-sectional area of the second engagement fitting portion 220.

Further, the to-be-fixed portion 105 is further provided with a passage 130 for penetrating the second engaging hole 120 and the edge of the portion to be fixed 105. As shown in FIG. 4, the second engaging and fitting portion 220 enters the passage through the passage 130. Two snap holes 120.

Further, an inner diameter at the widest point of the channel is smaller than an inner diameter of the second engaging hole 120. This facilitates the fact that the cushioning connector 12 is not easily detached from the passage.

The to-be-fixed portion 105 may be a lug member disposed on the speaker 10. The second engagement-fit portion 220 may be a cylindrical member. In this case, the buffer connector 12 is located at the second engagement portion. The outer diameters of the upper and lower portions of the 220 are larger than the outer diameter of the second engaging engagement portion 220 and are larger than the diameter of the second engaging hole 120.

The speaker device provided by the invention adopts a buffer connection with a buffer resonance function to fix the speaker, and avoids the problem that the speaker and the end product casing resonate and affect the sound effect. Further, in the above speaker device, the buffer connector also functions as a screw for fixing the speaker in the prior art, so that it is not necessary to use the screw in the speaker device, thereby reducing the cost and improving the assembly efficiency.

Figure 6 is a cross-sectional view showing the buffer connector and the fixing plate during installation in the embodiment of the present invention. The installation process of the speaker and speaker fixture will be described in detail below with reference to Figures 3, 4 and 6.

In step 1, the second engagement mating portion 220 on the buffer connector 12 is mounted with the second engagement hole 120 on the to-be-fixed portion 105 of the speaker 10. Specifically, the second engaging portion 220 is inserted into and engaged with the second engaging hole 120 through the passage 130 disposed on the portion to be fixed 105.

In step 2, the tail portion 230 of the buffer connector 12 is fitted into the first engaging hole 110 on the fixing plate 11, as shown in FIG.

Step 3, the tail portion 230 of the buffer connector 12 is continuously moved downward in the direction of the arrow shown in FIG. 6, and the tail portion 230 is completely passed through the first engaging hole 110 by the inverted cone structure of the tail portion 230, thereby making the buffer connector The first engaging engagement portion 210 on the 12 is fitted in the first engaging hole 110, thereby completing the fixing process of the speaker 10.

In the above installation process, step 2 and step 3 may be performed first, and finally step 1, that is, the buffer connector 12 and the fixing plate 11 may be first installed together, and finally the speaker 10 is installed.

If the speaker fixing device is formed into an integrated structure by using the buffer connecting member 12 and the fixing plate 11 in FIG. 5, only the above step 1 is required to complete the mounting process of the speaker 10 and the speaker fixing device.

It is to be understood that the above embodiments are merely exemplary embodiments employed to explain the principles of the invention, but the invention is not limited thereto. Various modifications and improvements can be made by those skilled in the art without departing from the spirit and scope of the invention. These modifications and improvements are also considered to be within the scope of the invention.

Claims

A speaker fixing device comprising a fixing plate and at least one buffer connector for fixing a speaker to the fixing plate.
The speaker fixing device according to claim 1, wherein the fixing plate is provided with a first engaging hole, and the buffer connecting member is provided with a first card matched with the first engaging hole. Matching department.
The speaker fixing device according to claim 2, wherein the first engaging hole is a through hole penetrating the fixing plate in a thickness direction of the fixing plate, and the buffer connecting member is located at the first A cross-sectional area of a portion above and below a snap fit portion is greater than a hole area of the first snap hole.
The speaker fixing device according to claim 3, wherein the buffer connecting member further has a tail portion, one end of the tail portion constitutes an end of the buffer connecting member, and the outer diameter of the end portion is smaller than the first engaging portion An aperture of the hole, the other end of the tail is in close proximity to the first engagement mating portion, and the tail portion has a cross-sectional area gradually increasing in a direction from the end toward the first engagement mating portion Tapered construction.
The speaker fixing device according to claim 1, wherein the buffer connecting member and the fixing plate are formed in a unitary structure.
The speaker fixing device according to any one of claims 1 to 5, wherein the buffer connecting member is provided with a second engaging mating portion, and the buffer connecting member is located at the second engaging fit The cross-sectional area of the portion above and below the portion is greater than the cross-sectional area of the second engaging mating portion, and the second engaging mating portion is for mating with the portion to be fixed of the speaker.
A speaker device comprising a speaker and a speaker fixture The speaker fixing device is the speaker fixing device according to any one of claims 1 to 6.
The speaker device according to claim 7, wherein the housing of the speaker is provided with a portion to be fixed, and the second fixing hole is disposed on the to-be-fixed portion, and the second engaging hole is a a thickness of the fixing portion is penetrating through the through hole of the to-be-fixed portion, and the buffer connecting member is provided with a second engaging and engaging portion, and the buffering connecting member is located above and below the second engaging and engaging portion The cross-sectional area of the portion is greater than the hole area of the second engaging hole, and the second engaging mating portion is engaged with the second engaging hole.
The speaker device according to claim 8, wherein the to-be-fixed portion is further provided with a passage for penetrating the second engaging hole and the edge of the to-be-fixed portion, and the second engaging fit The portion enters the second engaging hole through the passage.
A speaker apparatus according to claim 9, wherein an inner diameter at a widest portion of said passage is smaller than an aperture of said second engaging hole.