speaker

Abstract

The utility model belongs to the technical field of electronic products, and discloses a loudspeaker, including a housing, a first vibration damper, a sound unit, and a second vibration damper. The housing is provided with a housing cavity, and two inner walls opposite to each other in the housing cavity are respectively the first inner wall and the second inner wall. The first inner wall is provided with a sound outlet. The first vibration damper is connected to the housing and is spaced apart from the second inner wall. The first vibration damper is provided with a mounting port. The sound unit is connected to the first vibration damper and covers the mounting port. The first vibration damper and the sound unit cover the sound outlet. The second vibration damper is located in the housing cavity and is spaced apart from the second inner wall. They are respectively connected to the housing and one end of the sound unit facing the second inner wall. In the utility model, the first vibration damper and the second vibration damper cooperate with each other, one supports the sound unit at the sound outlet, and the other supports the sound unit at the bottom of the sound unit. The concentration of force is avoided by multi-point support, and the vibration damping performance and the service life of the vibration damping component are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic products, in particular to a loudspeaker. Background Art

[0002] The speaker includes a shell and a sound unit arranged at the sound outlet of the shell. In electronic products, when the speaker works with a large amplitude, the vibration of the sound unit may be transmitted to the shell, and then the shell will be transmitted to the whole machine, causing resonance. The vibration of other parts may also be transmitted to the speaker, causing resonance, thereby affecting the sound quality of the speaker.

[0003] In the prior art, a vibration-damping component is added to the sound outlet of the housing so that the sound unit is connected to the housing through the vibration-damping component. When the speaker is working, buffering is achieved through the vibration-damping component, thereby reducing the transmission of vibration and ensuring the sound quality of the speaker. However, in this design, the entire sound unit is supported by the vibration-damping component, so that the vibration-damping component is subjected to greater force, which affects the vibration-damping performance and service life of the vibration-damping component. Utility Model Content

[0004] The utility model aims to provide a loudspeaker capable of improving the vibration reduction performance and the service life of the vibration reduction components.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] Speakers, including:

[0007] A housing, wherein the housing is provided with a housing cavity, wherein two inner walls opposite to each other in the housing cavity are respectively a first inner wall and a second inner wall, wherein the first inner wall is provided with a sound-emitting opening, and the housing cavity is connected to the outside through the sound-emitting opening;

[0008] A first vibration damper, connected to the housing and spaced apart from the second inner wall, wherein the first vibration damper is provided with a mounting opening;

[0009] A sound-generating unit connected to the first vibration-damping member and covering the installation opening, wherein the first vibration-damping member and the sound-generating unit cooperate to cover the sound-generating opening;

[0010] The second vibration damping member is located in the accommodating cavity, spaced apart from the second inner wall, and respectively connected to the outer shell and one end of the sound generating unit facing the second inner wall.

[0011] Preferably, the first vibration damping member comprises:

[0012] An inner mounting portion, surrounding and forming the mounting opening, and connected to the sound generating unit;

[0013] A first bending portion, arranged around the outer circumference of the inner mounting portion;

[0014] The outer mounting portion is arranged around the outer periphery of the first bending portion and is connected to the outer shell.

[0015] Preferably, an inner wall of the inner mounting portion is provided with an installation groove, the installation groove passes through to one end of the inner mounting portion facing the second inner wall, and the sound generating unit is installed in the installation groove.

[0016] Preferably, the second vibration damping member comprises:

[0017] An internal connection part connected to the sound-generating unit;

[0018] A second bending portion, located at one side of the inner connecting portion;

[0019] The outer connecting portion is located at a side of the second bending portion away from the inner connecting portion and is connected to the outer shell.

[0020] Preferably, the first vibration damper comprises a first bending portion, which is protruded away from the second inner wall, and the second vibration damper comprises a second bending portion, which is protruded toward the second inner wall.

[0021] Preferably, a plurality of the second vibration damping members are provided.

[0022] Preferably, two second vibration damping members are provided, and the sound-generating unit is in a long strip shape. In the width direction of the sound-generating unit, the sound-generating unit is located between the two second vibration damping members.

[0023] Preferably, an inner groove is provided on the outer wall of the shell, the sound-emitting port is connected to the bottom of the inner groove, and the first vibration damping member is installed in the inner groove without protruding from the outer wall of the shell.

[0024] Preferably, the first inner wall is provided with a support platform, and the second vibration damping member is connected to the support platform.

[0025] Preferably, the housing comprises:

[0026] A first shell, wherein the first shell is provided with a first accommodating groove, and a notch of the first accommodating groove is provided with a first connecting ring platform;

[0027] The second shell is provided with a second accommodating groove, the notch of the second accommodating groove is provided with a second connecting ring platform, the first connecting ring platform is clamped on the outer periphery of the second connecting ring platform, and the first accommodating groove and the second accommodating groove are buckled to form the accommodating cavity.

[0028] Beneficial effects of the utility model:

[0029] The first vibration damper and the second vibration damper connected to the shell serve as vibration damping components. When the speaker is working, they can buffer the vibration, reduce the transmission of vibration, and ensure the sound quality of the speaker. On this basis, the first vibration damper and the second vibration damper cooperate with each other, one supports the sound unit at the sound outlet, and the other supports the sound unit at the bottom of the sound unit. The concentration of force is avoided through multi-point support, and the vibration damping performance and the service life of the vibration damping components are effectively improved. In addition, the first vibration damper and the second vibration damper are both far away from the second inner wall, and the sound unit is suspended in the shell through the first vibration damper and the second vibration damper. When the sound unit vibrates, the vibration does not directly act on the shell, but is buffered and damped by the first vibration damper and the second vibration damper in the space between the sound unit and the shell, which effectively solves the problem caused by the vibration generated by the sound unit being transmitted to the external device through the shell, or the vibration of the external device being transmitted to the speaker, and further ensures the sound effect of the speaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of the loudspeaker according to an embodiment of the utility model;

[0031] Figure 2 is a cross-sectional view of a loudspeaker according to an embodiment of the utility model;

[0032] Figure 3 It is a schematic structural diagram of one direction of the first housing according to an embodiment of the utility model;

[0033] Figure 4 It is a schematic structural diagram of another orientation of the first housing according to an embodiment of the utility model;

[0034] Figure 5 It is a structural schematic diagram of the second housing according to an embodiment of the utility model;

[0035] Figure 6 It is a schematic structural diagram of one direction of the first vibration damping member, the sound generating unit and the second vibration damping member matched with each other according to an embodiment of the utility model;

[0036] Figure 7 It is a schematic structural diagram of another orientation of the first vibration damping member, the sound generating unit and the second vibration damping member matched with each other according to an embodiment of the utility model;

[0037] Figure 8 It is a schematic structural diagram of one direction of the first vibration damping member described in an embodiment of the utility model;

[0038] Fig. 9 It is a schematic structural diagram of another orientation of the first vibration damping member described in an embodiment of the utility model;

[0039] Fig.10It is a schematic structural diagram of the second vibration damping member described in an embodiment of the utility model.

[0040] In the figure:

[0041] 1. Shell;

[0042] 11. first shell; 111. first inner wall; 112. sound outlet; 113. inner groove; 114. support platform; 115. first connecting ring platform;

[0043] 12. second shell; 121. second inner wall; 122. second connecting ring platform;

[0044] 2. A first vibration damping member;

[0045] 21. inner mounting portion; 211. mounting opening; 212. mounting groove;

[0046] 22. a first bending portion;

[0047] 23. External mounting part;

[0048] 3. Sound unit;

[0049] 4. The second vibration damping member;

[0050] 41. Internal connection;

[0051] 42. second bending portion;

[0052] 43. External connection part. DETAILED DESCRIPTION

[0053] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar components or components having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0054] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, it can be a mechanical connection or an electrical connection, it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] In the description of the present utility model, unless otherwise clearly stipulated and limited, a first feature being "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0056] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0057] like Figure 1-Figure 10 As shown, the utility model provides a speaker, including a housing 1, a first vibration damper 2, a sound unit 3, and a second vibration damper 4. The housing 1 is provided with a receiving cavity, and the two opposite inner walls of the receiving cavity are respectively a first inner wall 111 and a second inner wall 121, the first inner wall 111 is provided with a sound outlet 112, and the receiving cavity is connected to the outside through the sound outlet 112, the first vibration damper 2 is connected to the housing 1, located at the sound outlet 112, and spaced from the second inner wall 121, the first vibration damper 2 is provided with a mounting port 211, the sound unit 3 is connected to the first vibration damper 2, and the mounting port 211 is covered, the first vibration damper 2 and the sound unit 3 cooperate to cover the sound outlet 112, the second vibration damper 4 is located in the receiving cavity, spaced from the second inner wall 121, and respectively connected to the housing 1 and one end of the sound unit 3 facing the second inner wall 121.

[0058] In the present invention, the first vibration damper 2 and the second vibration damper 4 connected to the housing 1 serve as vibration damping components. When the speaker is working, the vibration can be buffered, the transmission of vibration is reduced, and the sound quality of the speaker is ensured. On this basis, the first vibration damper 2 and the second vibration damper 4 cooperate with each other, one supports the sound unit 3 at the sound outlet 112, and the other supports the sound unit 3 at the bottom of the sound unit 3. The concentration of force is avoided by multi-point support, and the vibration damping performance and the service life of the vibration damping components are effectively improved. In addition, the first vibration damper 2 and the second vibration damper 4 are both far away from the second inner wall 121, and the sound unit 3 is suspended in the housing 1 through the first vibration damper 2 and the second vibration damper 4. When the sound unit 3 vibrates, the vibration does not directly act on the housing 1, but is buffered and damped by the first vibration damper 2 and the second vibration damper 4 in the space between the sound unit 3 and the housing 1, which effectively solves the problem caused by the vibration generated by the sound unit 3 being transmitted to the external device through the housing 1, or the vibration of the external device being transmitted to the speaker, and further ensures the sound effect of the speaker.

[0059] Specifically, the outer wall of the housing 1 is provided with an inward groove 113, the sound-emitting port 112 is connected to the bottom of the inward groove 113, and the first vibration damper 2 is installed in the inward groove 113 without protruding from the outer wall of the housing 1. By providing the inward groove 113, the first vibration damper 2 is retracted, thereby preventing the first vibration damper 2 from interfering with other external components and affecting the vibration damping effect.

[0060] More specifically, the first inner wall 111 is provided with a support platform 114, and the second vibration damper 4 is connected to the support platform 114. By providing the support platform 114, the vibrations of the second vibration damper 4 and the first vibration damper 2 can be efficiently collected to offset each other.

[0061] Specifically, the housing 1 includes a first housing 11 and a second housing 12. The first housing 11 is provided with a first receiving groove, the notch of the first receiving groove is provided with a first connecting ring 115, the second housing 12 is provided with a second receiving groove, the notch of the second receiving groove is provided with a second connecting ring 122, the first connecting ring 115 is clamped on the outer periphery of the second connecting ring 122, and the first receiving groove and the second receiving groove are buckled to form an accommodating cavity. The housing 1 is disassembled and assembled by clamping the first connecting ring 115 and the second connecting ring 122, and has a simple structure, is easy to disassemble and assemble, and is easy to maintain.

[0062] More specifically, the bottom of the first receiving groove is the first inner wall 111 , the bottom of the second receiving groove is the second inner wall 121 , the receiving groove 113 is disposed on the outer side of the first shell 11 , and the support platform 114 is disposed on the bottom of the first receiving groove.

[0063] In this embodiment, the housing 1 formed by assembling the first shell 11 and the second shell 12 is in a long strip structure and is arranged flat. The top of the support platform 114 is spaced apart from the second inner wall 121 , and the second vibration damper 4 is connected to the top of the support platform 114 .

[0064] In other embodiments, the bottom of the first containing groove may be the second inner wall 121 , and the bottom of the second containing groove may be the first inner wall 111 .

[0065] Specifically, the first vibration damper 2 includes an inner mounting portion 21, a first bending portion 22 and an outer mounting portion 23 connected in sequence. The inner mounting portion 21 is surrounded by a mounting opening 211, which is connected to the sound unit 3, the first bending portion 22 is arranged around the outer periphery of the inner mounting portion 21, and the outer mounting portion 23 is arranged around the outer periphery of the first bending portion 22, which is connected to the housing 1. The above arrangement enables the first vibration damper 2 to achieve efficient buffering and vibration reduction through the first bending portion 22, while being able to simply and conveniently connect the sound unit 3 and the housing 1 through the inner mounting portion 21 and the outer mounting portion 23.

[0066] More specifically, the inner wall of the inner mounting portion 21 is provided with a mounting groove 212, the mounting groove 212 penetrates to one end of the inner mounting portion 21 facing the second inner wall 121, and the sound unit 3 is installed in the mounting groove 212. The above arrangement enables the first vibration damping member 2 to be located outside the sound unit 3 in the thickness direction of the speaker, thereby being able to protect the sound unit 3.

[0067] In this embodiment, the outer mounting portion 23 is installed in the inner groove 113, the first bending portion 22 extends along the circumference of the inner mounting portion 21, and the cross-section perpendicular to the extension direction is arc-shaped. The inner mounting portion 21, the first bending portion 22 and the outer mounting portion 23 are made of flexible plastic, rubber and other materials and are made in one piece.

[0068] In other embodiments, the cross-section of the first bent portion 22 perpendicular to the extension direction may also be semicircular, V-shaped or W-shaped, and the material may be a rubber or foam material having both toughness and damping properties, and may generate vibration under the action of external force.

[0069] Specifically, the second vibration damper 4 includes an inner connection portion 41, a second bending portion 42 and an outer connection portion 43 which are connected in sequence. The inner connection portion 41 is connected to the sound unit 3, the second bending portion 42 is located at one side of the inner connection portion 41, and the outer connection portion 43 is located at a side of the second bending portion 42 away from the inner connection portion 41, and is connected to the housing 1. The above arrangement enables the second vibration damper 4 to achieve efficient buffering and vibration reduction through the second bending portion 42 on the basis of being able to simply and conveniently connect the sound unit 3 and the housing 1 through the inner connection portion 41 and the outer connection portion 43.

[0070] More specifically, the first bent portion 22 is convexly disposed away from the second inner wall 121, and the second bent portion 42 is convexly disposed toward the second inner wall 121. The above arrangement avoids interference between the first bent portion 22 and the second bent portion 42, thereby improving vibration reduction performance.

[0071] In this embodiment, the external connection portion 43 is installed at the top of the support platform 114, the second vibration damper 4 is in the shape of an elongated strip, the second bending portion 42 extends along the length direction of the second vibration damper 4, and the cross-section perpendicular to the length direction is arc-shaped, and the internal connection portion 41, the second bending portion 42 and the external connection portion 43 are made of flexible plastic, rubber and other materials and are prepared by integral molding.

[0072] In other embodiments, the cross-section of the second bending portion 42 perpendicular to the length direction can also be semicircular, V-shaped or W-shaped, and the material is a rubber or foam material with both toughness and damping properties, which can generate vibration under the action of external force.

[0073] Specifically, there are multiple second vibration dampers 4, and the multiple second vibration dampers 4 are respectively connected to the sound unit 3. The above arrangement enables the bottom of the sound unit 3 to be supported by the multiple second vibration dampers 4 in cooperation, which is more stable and reliable and can buffer vibrations in multiple directions.

[0074] More specifically, two second vibration dampers 4 are provided, the sound unit 3 is in a long strip shape, the second vibration dampers 4 extend along the length direction of the sound unit 3, and in the width direction of the sound unit 3, the sound unit 3 is located between the two second vibration dampers 4. The above arrangement can achieve balanced support for the sound unit 3 with fewer vibration damping components.

[0075] In this embodiment, two support platforms 114 are provided at the bottom of the first accommodating groove. The support platforms 114 are in a long strip shape. Each support platform 114 corresponds to a second vibration damping member 4. The length of the support platform 114 is consistent with the length of the second vibration damping member 4, and the external connecting portion 43 is closely connected to the top of the support platform 114.

[0076] Specifically, the sound unit 3 includes a sound shell, a vibration structure, a magnetic circuit structure and a voice coil. The vibration structure includes a diaphragm, the magnetic circuit structure includes stacked yokes, magnets and pole pieces, the vibration structure is connected to the sound shell, the voice coil is arranged on the vibration structure, and the magnetic circuit structure is located in the sound shell. When the sound unit 3 is powered on, the voice coil drives the vibration structure to vibrate relative to the sound shell to generate sound under the magnetic force of the magnetic circuit structure.

[0077] More specifically, the vibration structure is sandwiched between the sound-generating shell and the first vibration damping member 2, so that the first vibration damping member 2 can play a greater vibration damping role.

[0078] In this embodiment, one end of the sound-generating housing that is away from the vibration structure is connected to the second vibration damping member 4 through a support plate, and both second vibration damping members 4 are connected to the support plate.

[0079] The specific structure and working principle of the sound unit 3 in the present invention are prior art and will not be described in detail here. In other embodiments, the sound unit 3 may also have other structures.

[0080] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A loudspeaker, characterized in that include: A housing (1), the housing (1) being provided with a housing cavity, the two opposite inner walls of the housing cavity being respectively a first inner wall (111) and a second inner wall (121), the first inner wall (111) being provided with a sound-emitting opening (112), the housing cavity being connected to the outside through the sound-emitting opening (112); A first vibration damping member (2) connected to the housing (1) and spaced apart from the second inner wall (121), wherein the first vibration damping member (2) is provided with a mounting opening (211); A sound-generating unit (3) is connected to the first vibration-damping member (2) and covers the installation opening (211); the first vibration-damping member (2) and the sound-generating unit (3) cooperate to cover the sound-generating opening (112); The second vibration damping member (4) is located in the accommodating cavity, spaced apart from the second inner wall (121), and respectively connected to the outer shell (1) and one end of the sound generating unit (3) facing the second inner wall (121).

2. The loudspeaker according to claim 1, characterized in that The first vibration damping member (2) comprises: An inner mounting portion (21) is arranged around the mounting opening (211) and is connected to the sound generating unit (3); A first bending portion (22) is arranged around the outer circumference of the inner mounting portion (21); The outer mounting portion (23) is arranged around the outer periphery of the first bent portion (22) and is connected to the outer shell (1).

3. The loudspeaker according to claim 2, characterized in that The inner wall of the inner installation portion (21) is provided with a mounting groove (212), the mounting groove (212) passes through to one end of the inner installation portion (21) facing the second inner wall (121), and the sound generating unit (3) is mounted in the mounting groove (212).

4. The loudspeaker according to claim 1, characterized in that The second vibration damping member (4) comprises: An internal connection portion (41) connected to the sound generating unit (3); A second bending portion (42) located on one side of the inner connecting portion (41); The external connection portion (43) is located on a side of the second bent portion (42) away from the internal connection portion (41) and is connected to the outer shell (1).

5. The loudspeaker according to claim 1, characterized in that The first vibration damping member (2) comprises a first bent portion (22), the first bent portion (22) being protruded away from the second inner wall (121), and the second vibration damping member (4) comprises a second bent portion (42), the second bent portion (42) being protruded toward the second inner wall (121).

6. The loudspeaker according to claim 1, characterized in that A plurality of the second vibration damping members (4) are provided.

7. The loudspeaker according to claim 6, characterized in that Two second vibration damping members (4) are provided, the sound-generating unit (3) is in the shape of an elongated strip, and in the width direction of the sound-generating unit (3), the sound-generating unit (3) is located between the two second vibration damping members (4).

8. The loudspeaker according to claim 1, characterized in that The outer wall of the housing (1) is provided with an inner groove (113), the sound-generating opening (112) is connected to the bottom of the inner groove (113), and the first vibration-damping component (2) is installed in the inner groove (113) and does not protrude from the outer wall of the housing (1).

9. The loudspeaker according to claim 1, characterized in that The first inner wall (111) is provided with a support platform (114), and the second vibration damping member (4) is connected to the support platform (114).

10. The loudspeaker according to any one of claims 1 to 9, characterized in that: The housing (1) comprises: A first housing (11), wherein the first housing (11) is provided with a first accommodating groove, and a notch of the first accommodating groove is provided with a first connecting ring platform (115); A second shell (12), wherein the second shell (12) is provided with a second accommodating groove, a notch of the second accommodating groove is provided with a second connecting ring platform (122), the first connecting ring platform (115) is clamped on the outer periphery of the second connecting ring platform (122), and the first accommodating groove and the second accommodating groove are buckled to form the accommodating cavity.

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