WO2021000115A1 - Loudspeaker box and assembly method therefor - Google Patents
Loudspeaker box and assembly method therefor Download PDFInfo
- Publication number
- WO2021000115A1 WO2021000115A1 PCT/CN2019/094013 CN2019094013W WO2021000115A1 WO 2021000115 A1 WO2021000115 A1 WO 2021000115A1 CN 2019094013 W CN2019094013 W CN 2019094013W WO 2021000115 A1 WO2021000115 A1 WO 2021000115A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sound
- top wall
- housing
- plate
- hole
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
Definitions
- the utility model relates to the technical field of electroacoustic energy conversion, in particular to a speaker box and an assembly method thereof.
- the speaker box of the prior art usually has a sound-transmitting panel at the sound outlet, but the sound-transmitting panel is made of soft material.
- the sound-transmitting panel can only be attached to the plastic surface, that is, the edge of the sound-transmitting panel and One side of the plastic bonding area is attached; however, due to its soft nature during injection molding, the edge of the sound-transmitting panel will be overturned by the plastic, and the edge is not attached or cannot be completely attached to the plastic surface.
- the purpose of the present invention is to provide a loudspeaker box and an assembly method thereof, so as to solve the problem that the sound-transmitting panel located at the sound outlet of the loudspeaker box in the prior art is easily overturned during injection molding and cannot be attached to the plastic surface.
- a loudspeaker box includes a housing with a housing space and a sounding unit fixed in the housing space.
- the housing includes a top wall opposite to the sounding monomer and spaced apart from the edge of the top wall. Bending and extending side walls, and a bottom wall covering a side of the side wall away from the top wall, the top wall, the side wall and the bottom wall enclosing to form the receiving space, so
- the sounding monomer separates the containing space to form a front sound cavity and a rear sound cavity, the front sound cavity is formed between the top wall and the sounding monomer, and an opening is formed through the top wall corresponding to the front sound cavity.
- the housing is provided with a sound outlet spaced apart from the opening, the sound outlet and the opening are respectively communicated with the front sound cavity
- the speaker box further includes a reinforcing plate embedded in the housing,
- the reinforcing plate includes a main body corresponding to the opening, and a fixing portion extending from the main body toward the sound outlet and embedded in the housing, the fixing portion corresponding to the sound outlet And is provided with a through hole communicating with the sound outlet
- the speaker box further includes a sound-transmitting plate covering the through-hole and being bonded and fixed to the fixing part, the sound-transmitting plate, the reinforcing plate and
- the shell is injection-molded into one body
- the sound-transmitting plate includes a sound-transmitting part exposed on the shell through the sound outlet and a peripheral part embedded and injection molded into the shell.
- the mouth communicates with the front acoustic cavity only through the sound-transmitting part.
- the reinforcing plate includes a main body part and a fixed part, the main body part corresponds to and covers the opening, the fixed part is formed by extending the main body part toward the sound outlet, and the fixed part corresponds to the sound outlet and is embedded in the housing
- the fixing part is provided with a through hole communicating with the sound outlet;
- the speaker box also includes a sound-transmitting plate covering the through-hole and being attached and fixed to the fixing part.
- the sound-transmitting plate, the reinforcing plate and the shell are injection-molded into a whole.
- the sound board includes a sound-transmitting part exposed on the shell through the sound outlet and a peripheral part embedded and injection molded in the shell.
- Figure 1 is a schematic diagram of the overall structure of a speaker box of the utility model
- Figure 2 is a schematic diagram of an exploded structure of a speaker box of the present invention
- Figure 3 is a schematic diagram of the structure of the reinforcing plate
- Figure 5 is a top view of Figure 1;
- Fig. 8 is a partial enlarged view of C in Fig. 6.
- the housing is provided with a sound outlet spaced apart from the opening, the sound outlet and the opening are respectively communicated with the front sound cavity
- the speaker box further includes a reinforcing plate embedded in the housing,
- the reinforcing plate includes a main body corresponding to the opening, and a fixing portion extending from the main body toward the sound outlet and embedded in the housing, the fixing portion corresponding to the sound outlet And is provided with a through hole communicating with the sound outlet
- the speaker box further includes a sound-transmitting plate covering the through-hole and being bonded and fixed to the fixing part, the sound-transmitting plate, the reinforcing plate and
- the shell is injection-molded into one body
- the sound-transmitting plate includes a sound-transmitting part exposed on the shell through the sound outlet and a peripheral part embedded and injection molded into the shell.
- the mouth communicates with the front acoustic cavity only through the sound-transmitting part.
- the sound outlet is opened on the top wall.
- the housing further includes a first extension wall extending from the top wall toward the bottom wall, the first extension wall being located in the receiving space and around the outer periphery of the sound emitting unit, The periphery of the vocal unit is fixed to the first extension wall.
- the reinforcing plate is a steel sheet
- the shell is a plastic shell.
- the housing 10 is provided with a sound outlet 112 spaced apart from the opening 111.
- the sound outlet 112 and the opening 111 are respectively communicated with the front sound cavity 21.
- the speaker box also includes a reinforcing plate 40 embedded in the housing 10, and the reinforcing plate 40 includes a corresponding The main body portion 41 covering the opening 111 and the fixing portion 42 extending from the main body portion 41 toward the sound outlet 112 and embedded in the housing 10, the fixing portion 42 corresponds to the sound outlet 112 and is provided with a communication port 112 Through holes 422a, the speaker box also includes a sound-transmitting plate 50 covering the through-holes 422a and being bonded and fixed to the fixing portion 42.
- the reinforcing plate 40 includes a main body 41 and a fixing portion 42.
- the main body 41 corresponds to and covers the opening 111.
- the fixing portion 42 is formed by extending the main body 41 toward the sound outlet 112, and the fixing portion 42 corresponds to the sound
- the opening 112 is embedded in the housing 10, and the fixing portion 42 is provided with a through hole 422a communicating with the sound outlet 112;
- the speaker box also includes a sound-transmitting plate 50 covering the through hole 422a and being fixed to the fixing portion 42.
- the sound-transmitting plate 50, the reinforcing plate 40, and the housing 10 are injection-molded into one body.
- the sound-transmitting plate 50 includes a sound-transmitting part 51 exposed on the housing 10 through the sound outlet 112 and an embedded and injection molded part in the housing 10
- the peripheral portion 52 and the sound outlet 112 communicate with the front acoustic cavity 21 through the sound-transmitting portion 51; the fixing portion 42 and the sound-transmitting plate 50 are attached and fixed as an integral insert and molded together with the housing 10 by injection molding, so that the sound-transmitting plate 50
- the edge is rigid and can be injection molded like other hardware inserts, and a through hole 422a corresponding to the sound outlet 112 is opened on the fixing part 42 so that the sound outlet 112 can communicate with the front sound cavity 21 through the sound transparent part 51
- the sound output solves the problem in the prior art that the sound-transmitting panel 50 is overturned by the plastic during injection due to its soft nature and fails to fit on the surface of the plastic.
- the sound outlet 112 is opened on the top wall 11, and the sound outlet 112 and the opening 111 are located on the same plane of the top wall 11, so that the sound outlet 112 extends from the main body 41 toward the sound outlet 112 and is embedded in the fixed housing 10
- the part 42 and the main body part 41 are located on the same side, which reduces the molding material of the fixing part 42 and reduces its occupation of the cavity space to ensure the audio performance of the speaker box.
- the housing 10 further includes a first extension wall 14 extending from the top wall 11 toward the bottom wall 13.
- the first extension wall 14 is located in the accommodating space 20 and is arranged around the outer periphery of the sounding monomer 30 to emit sound.
- the periphery of the single body 30 is fixed to the first extension wall 14.
- the fixing portion 42 includes a connecting plate 421 extending from the edge of the main body 41 in a direction away from the sound emitting unit 30, and a connecting plate 421 extending in the direction of the side wall 12
- the fixing plate 422 is provided with a through hole 422a.
- the sound-transmitting plate 50 is fixed on the fixing plate 422 with double-sided tape 90 or other gluing and fixing methods, so that the fixing plate 422 and the sound-transmitting plate 50 are used as an integral insert to be injected into the housing 10.
- the position of the sound-transmitting plate 50 inside the housing 10 can be changed accordingly, that is, the sound-transmitting plate 50 can be injection molded on the surface of the housing 10 or inside the housing 10 .
- the sound-transmitting plate 50 and the fixing plate 422 are injected into the housing 10 together, the surface of the housing 10 where the sound outlet 112 is located can be kept flat, which is beneficial to waterproof and sealing; and the sound-transmitting plate 50 can be adjusted inside the housing 10 The vertical position so that the speaker box can achieve the best audio performance.
- the sound-transmitting panel 50 when the sound-transmitting panel 50 is located inside the housing 10, the sound-transmitting panel 50 is constrained by plastic on one side, and the other side is constrained by the fixing plate 422, that is, both sides of the sound-transmitting panel 50 are stressed, so that the sound-transmitting panel 50 The bonding force between 50 and the top wall 11 and the sound-transmitting plate 50 and the fixing plate 422 is greatly enhanced.
- the housing 10 further includes a second extension wall 15 extending from the top wall 11 into the rear acoustic cavity 22, and an end of the second extension wall 15 away from the top wall 11 is covered with a breathable spacer 60.
- a filling cavity 70 for accommodating the sound-absorbing material 100 is formed between the breathable spacer 60, the second extension wall 15 and the top wall 11, and the top wall 11 is provided with a filling hole 113 communicating with the filling cavity 70; a reinforcing plate 40
- It also includes a first wing plate 43 extending from the side of the main body 41 close to the filling cavity 70.
- the first wing plate 43 is embedded in the top wall 11 and is directly opposite to the filling hole 113.
- the first wing plate 43 is provided with The first through hole 43a is coaxial with the filling hole 113, and the filling hole 113 communicates with the filling cavity 70 through the first through hole 43a.
- the housing 10 in the present technical solution further includes a second extension wall 15 extending from the top wall 11 to the rear acoustic cavity 22, and the end of the second extension wall 15 away from the top wall 11 is covered with a gas-permeable spacer 60, the gas-permeable spacer 60 ,
- the second extension wall 15 and the top wall 11 form a filling cavity 70 for filling the sound-absorbing material 100;
- the reinforcing plate 40 also includes a first wing plate 43, which is close to the filling cavity 70 from the main body 41
- the first wing plate 43 is formed with a first through hole 43a, and the top wall 11 is provided with a filling hole 113 for filling the sound-absorbing material 100, and the filling hole 113 is coaxially arranged with the first through hole 43a
- the filling hole 113 communicates with the filling cavity 70 through the first through hole 43a; that is, the first through hole 43a on the first wing plate 43 can be used as a positioning hole during injection molding of the reinfor
- the reinforcing plate 40 also includes at least one positioning plate 44 extending from the edge of the main body 41.
- the positioning plate 44 is provided with an injection positioning hole 44a.
- the top wall 11 is close to the bottom wall 13.
- the corresponding positioning plate 44 is protrudingly provided with a positioning portion 114, and the positioning plate 44 corresponds to the positioning portion 114 and is injection-molded into one body.
- the injection positioning hole 44a and the first through hole 43a cooperate to position the reinforcing plate 40 during injection molding of the reinforcing plate 40 and the casing 10.
- a side of the top wall 11 close to the bottom wall 13 is convexly provided with a protective part 115 surrounding the filling hole 113.
- the aperture of the first through hole 43a is smaller than the aperture of the filling hole 113, and the filling hole 113 is provided with a sealing sheet 80 for sealing the first through hole 43a.
- the reinforcing plate 40 is a steel sheet
- the casing 10 is a plastic casing.
- the method of assembling the speaker box is as follows: first attach the sound-transmitting plate 50 on the reinforcing plate 40 so that the sound-transmitting plate 50 covers the through hole 422a; then clamp the reinforcing plate 40 and fix the reinforcing plate 40 by injection molding on opposite sides of the reinforcing plate 40.
- the top wall 11 and the side wall 12 are formed, so that the perimeter of the sound-transmitting panel 50 is embedded in the top wall 11; finally the sounding monomer 30 is fixed to the top wall 11, and the bottom wall 13 and the side wall 12 are assembled to connect the sounding monomer 10 It is enclosed between the top wall 11 and the bottom wall 13.
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Abstract
Provided by the present utility model are a loudspeaker box and an assembly method therefor. The loudspeaker box comprises a housing and a sounding unit, the housing being provided with an accommodation space and formed by a top wall, a side wall and a bottom wall, and the sounding unit dividing the accommodation space into a front vocal cavity and a rear vocal cavity. The top wall is provided with an opening corresponding to the front vocal cavity, and the housing is provided with a sound outlet spaced with the opening and communicated with the front vocal cavity. The loudspeaker box also comprises a reinforcing plate inserted in the housing, the reinforcing plate comprising a main body portion covering the opening and a fixed portion extending from the main body portion towards the sound outlet opening, the fixed portion being corresponding to the sound opening and provided with a through hole communicated therewith. The loudspeaker box further comprises a sound transmission plate covering the through hole and fittingly fixed with the fixed portion. The sound transmission plate, the reinforcing plate and the housing are subjected to injection molding. The sound transmission plate comprises a sound transmission portion exposed on the housing via the sound outlet opening and a periphery portion inserted in the housing by means of injection molding, and the sound outlet opening is communicated with the front cavity via the sound transmission portion. The utility model solves the problem in the prior art that the dust screen, being soft, is not able to fit closely with the surface of the plastic cement because the edge of the dust screen is turned over by the plastic cement during injection molding.
Description
本实用新型涉及电声换能的技术领域，具体涉及一种扬声器箱及其装配方法。The utility model relates to the technical field of electroacoustic energy conversion, in particular to a speaker box and an assembly method thereof.
现有技术的扬声器箱通常会在出声口设置透声板，但是透声板是软质材料制成，正常方案注塑时，透声板只能贴合在塑胶表面，即透声板边缘和塑胶结合区域的一面贴合；然而透声板在注塑时由于自身软质的性质导致其边缘会被塑胶冲翻起来，边缘未贴合或不能完全贴合在塑胶表面。The speaker box of the prior art usually has a sound-transmitting panel at the sound outlet, but the sound-transmitting panel is made of soft material. In the normal injection molding, the sound-transmitting panel can only be attached to the plastic surface, that is, the edge of the sound-transmitting panel and One side of the plastic bonding area is attached; however, due to its soft nature during injection molding, the edge of the sound-transmitting panel will be overturned by the plastic, and the edge is not attached or cannot be completely attached to the plastic surface.
因此，有必要提供一种扬声器箱。Therefore, it is necessary to provide a speaker box.
本实用新型的目的在于提供一种扬声器箱及其装配方法，以解决现有技术中位于扬声器箱出声口处的透声板在注塑时容易被冲翻而无法与塑胶表面贴合的问题。The purpose of the present invention is to provide a loudspeaker box and an assembly method thereof, so as to solve the problem that the sound-transmitting panel located at the sound outlet of the loudspeaker box in the prior art is easily overturned during injection molding and cannot be attached to the plastic surface.
本实用新型的技术方案如下：The technical scheme of the utility model is as follows:
一种扬声器箱，包括具有收容空间的壳体以及固定于所述收容空间中的发声单体，所述壳体包括与所述发声单体相对且间隔设置的顶壁、自所述顶壁边缘弯折延伸的侧壁、以及盖设在所述侧壁远离所述顶壁的一侧的底壁，所述顶壁、所述侧壁及所述底壁围合形成所述收容空间，所述发声单体将所述收容空间分隔形成前声腔与后声腔，所述顶壁与所述发声单体之间形成所述前声腔，所述顶壁对应所述前声腔贯穿开设有开口，所述壳体开设有与所述开口间隔设置的出声口，所述出声口与所述开口分别与所述前声腔连通，所述扬声器箱还包括嵌设于所述壳体的加强板，所述加强板包括对应覆盖所述开口的主体部和自所述主体部朝向所述出声口方向延伸并嵌设于所述壳体的固定部，所述固定部与所述出声口对应并开设有与所述出声口连通的通孔，所述扬声器箱还包括覆盖所述通孔并与所述固定部贴合固定的透声板，所述透声板、所述加强板及所述壳体注塑成型为一体，所述透声板包括经所述出声口露设于所述壳体的透声部以及嵌设并注塑于所述壳体内的周缘部，所述出声口仅通过所述透声部与所述前声腔连通。A loudspeaker box includes a housing with a housing space and a sounding unit fixed in the housing space. The housing includes a top wall opposite to the sounding monomer and spaced apart from the edge of the top wall. Bending and extending side walls, and a bottom wall covering a side of the side wall away from the top wall, the top wall, the side wall and the bottom wall enclosing to form the receiving space, so The sounding monomer separates the containing space to form a front sound cavity and a rear sound cavity, the front sound cavity is formed between the top wall and the sounding monomer, and an opening is formed through the top wall corresponding to the front sound cavity. The housing is provided with a sound outlet spaced apart from the opening, the sound outlet and the opening are respectively communicated with the front sound cavity, and the speaker box further includes a reinforcing plate embedded in the housing, The reinforcing plate includes a main body corresponding to the opening, and a fixing portion extending from the main body toward the sound outlet and embedded in the housing, the fixing portion corresponding to the sound outlet And is provided with a through hole communicating with the sound outlet, the speaker box further includes a sound-transmitting plate covering the through-hole and being bonded and fixed to the fixing part, the sound-transmitting plate, the reinforcing plate and The shell is injection-molded into one body, and the sound-transmitting plate includes a sound-transmitting part exposed on the shell through the sound outlet and a peripheral part embedded and injection molded into the shell. The mouth communicates with the front acoustic cavity only through the sound-transmitting part.
本实用新型的有益效果在于：加强板包括主体部和固定部，主体部对应并覆盖开口，固定部则由主体部朝向出声口方向延伸形成，固定部对应出声口并嵌设于壳体中，固定部上开设有与出声口连通的通孔；扬声器箱还包括覆盖通孔并和固定部贴合固定的透声板，透声板、加强板以及壳体注塑成型为一体，透声板则包括经出声口露设于壳体的透声部和嵌设并注塑在壳体内的周缘部，出声口通过透声部与前声腔连通；通过将固定部与透声板透声板贴合固定作为一个整体嵌件一起与壳体注塑成型，透声板使得透声板透声板的边缘具有刚性，可以像其他硬件嵌件一样进行注塑，并在固定部上开设与出声口对应的通孔，使得出声口可以通过透声部与前声腔连通实现出音，本技术方案解决了现有技术中透声板透声板因软质性质在注塑时其边缘容易被塑胶冲翻起来，未能贴合在塑胶表面的问题。The beneficial effect of the utility model is that the reinforcing plate includes a main body part and a fixed part, the main body part corresponds to and covers the opening, the fixed part is formed by extending the main body part toward the sound outlet, and the fixed part corresponds to the sound outlet and is embedded in the housing The fixing part is provided with a through hole communicating with the sound outlet; the speaker box also includes a sound-transmitting plate covering the through-hole and being attached and fixed to the fixing part. The sound-transmitting plate, the reinforcing plate and the shell are injection-molded into a whole. The sound board includes a sound-transmitting part exposed on the shell through the sound outlet and a peripheral part embedded and injection molded in the shell. The sound-outlet communicates with the front sound cavity through the sound-transmitting part; The sound board is fitted and fixed as an integral insert and molded with the shell together. The sound-transmitting board makes the edge of the sound-transmitting board rigid, which can be injection molded like other hardware inserts, and is opened and out on the fixed part. The through hole corresponding to the sound port allows the sound port to communicate with the front sound cavity through the sound-transmitting part. This technical solution solves the problem that the sound-transmitting plate in the prior art is easy to be affected by the edge of the sound-transmitting plate due to its soft nature. The problem of plastic overturning and failing to adhere to the plastic surface.
图1为本实用新型一种扬声器箱的整体结构示意图；
Figure 1 is a schematic diagram of the overall structure of a speaker box of the utility model;
图2为本实用新型一种扬声器箱的分解结构示意图；Figure 2 is a schematic diagram of an exploded structure of a speaker box of the present invention;
图3为加强板的结构示意图；Figure 3 is a schematic diagram of the structure of the reinforcing plate;
图4为壳体的结构示意图；Figure 4 is a schematic diagram of the structure of the housing;
图5为图1的俯视图；Figure 5 is a top view of Figure 1;
图6为图5中A-A方向的剖视图；Figure 6 is a cross-sectional view in the direction of A-A in Figure 5;
图7为图5中B-B方向的剖视图；Figure 7 is a cross-sectional view in the direction of B-B in Figure 5;
图8为图6中C处的局部放大图。Fig. 8 is a partial enlarged view of C in Fig. 6.
本实用新型的最佳实施方式The best implementation of the utility model
一种扬声器箱，包括具有收容空间的壳体以及固定于所述收容空间中的发声单体，所述壳体包括与所述发声单体相对且间隔设置的顶壁、自所述顶壁边缘弯折延伸的侧壁、以及盖设在所述侧壁远离所述顶壁的一侧的底壁，所述顶壁、所述侧壁及所述底壁围合形成所述收容空间，所述发声单体将所述收容空间分隔形成前声腔与后声腔，所述顶壁与所述发声单体之间形成所述前声腔，所述顶壁对应所述前声腔贯穿开设有开口，所述壳体开设有与所述开口间隔设置的出声口，所述出声口与所述开口分别与所述前声腔连通，所述扬声器箱还包括嵌设于所述壳体的加强板，所述加强板包括对应覆盖所述开口的主体部和自所述主体部朝向所述出声口方向延伸并嵌设于所述壳体的固定部，所述固定部与所述出声口对应并开设有与所述出声口连通的通孔，所述扬声器箱还包括覆盖所述通孔并与所述固定部贴合固定的透声板，所述透声板、所述加强板及所述壳体注塑成型为一体，所述透声板包括经所述出声口露设于所述壳体的透声部以及嵌设并注塑于所述壳体内的周缘部，所述出声口仅通过所述透声部与所述前声腔连通。A loudspeaker box includes a housing with a housing space and a sounding unit fixed in the housing space. The housing includes a top wall opposite to the sounding monomer and spaced apart from the edge of the top wall. Bending and extending side walls, and a bottom wall covering a side of the side wall away from the top wall, the top wall, the side wall and the bottom wall enclosing to form the receiving space, so The sounding monomer separates the containing space to form a front sound cavity and a rear sound cavity, the front sound cavity is formed between the top wall and the sounding monomer, and an opening is formed through the top wall corresponding to the front sound cavity. The housing is provided with a sound outlet spaced apart from the opening, the sound outlet and the opening are respectively communicated with the front sound cavity, and the speaker box further includes a reinforcing plate embedded in the housing, The reinforcing plate includes a main body corresponding to the opening, and a fixing portion extending from the main body toward the sound outlet and embedded in the housing, the fixing portion corresponding to the sound outlet And is provided with a through hole communicating with the sound outlet, the speaker box further includes a sound-transmitting plate covering the through-hole and being bonded and fixed to the fixing part, the sound-transmitting plate, the reinforcing plate and The shell is injection-molded into one body, and the sound-transmitting plate includes a sound-transmitting part exposed on the shell through the sound outlet and a peripheral part embedded and injection molded into the shell. The mouth communicates with the front acoustic cavity only through the sound-transmitting part.
进一步地，所述出声口开设于所述顶壁。Further, the sound outlet is opened on the top wall.
进一步地，所述壳体还包括自所述顶壁朝所述底壁方向延伸的第一延伸壁，所述第一延伸壁位于所述收容空间内且绕设在所述发声单体外周，所述发声单体的周缘与所述第一延伸壁固定。Further, the housing further includes a first extension wall extending from the top wall toward the bottom wall, the first extension wall being located in the receiving space and around the outer periphery of the sound emitting unit, The periphery of the vocal unit is fixed to the first extension wall.
进一步地，所述固定部包括自所述主体部边缘朝远离所述发声单体的方向延伸的连接板、以及自所述连接板朝所述侧壁方向延伸的固定板，所述固定板上开设所述通孔。Further, the fixing portion includes a connecting plate extending from the edge of the main body in a direction away from the sound emitting unit, and a fixing plate extending from the connecting plate toward the side wall, and the fixing plate Opening the through hole.
进一步地，所述壳体还包括自所述顶壁延伸至所述后声腔内的第二延伸壁，所述第二延伸壁远离所述顶壁的一端覆盖有透气隔离件，所述透气隔离件、所述第二延伸壁以及所述顶壁之间形成用于收容吸音材料的填充腔，所述顶壁上开设有与所述填充腔连通的灌装孔；所述加强板还包括自所述主体部靠近所述填充腔的一侧延伸形成的第一翼板，所述第一翼板嵌设于所述顶壁并与所述灌装孔正对，所述第一翼板上开设有与所述灌装孔同轴的第一通孔，所述灌装孔经所述第一通孔与所述填充腔连通。Further, the housing further includes a second extension wall extending from the top wall into the rear acoustic cavity, and an end of the second extension wall away from the top wall is covered with a gas-permeable spacer, the gas-permeable spacer A filling cavity for accommodating sound-absorbing material is formed between the second extending wall and the top wall, and a filling hole communicating with the filling cavity is opened on the top wall; the reinforcing plate also includes a self A first wing formed on the side of the main body close to the filling cavity, the first wing is embedded in the top wall and directly opposite to the filling hole, and the first wing is A first through hole coaxial with the filling hole is opened, and the filling hole communicates with the filling cavity through the first through hole.
进一步地，所述加强板还包括自所述主体部边缘延伸形成的至少一个定位板，所述定位板上贯穿开设有注塑定位孔，所述顶壁靠近所述底壁的一侧对应所述定位板凸设有定位部，所述定位板与所述定位部对应并注塑成型为一体。Further, the reinforcing plate further includes at least one positioning plate extending from the edge of the main body portion, the positioning plate is penetrated with injection positioning holes, and the side of the top wall close to the bottom wall corresponds to the The positioning plate is convexly provided with a positioning part, and the positioning plate corresponds to the positioning part and is injection-molded into one body.
进一步地，所述顶壁靠近所述底壁的一侧凸设有环绕所述灌装孔的防护部。Further, a side of the top wall close to the bottom wall is convexly provided with a protective part surrounding the filling hole.
进一步地，所述第一通孔的孔径小于所述灌装孔的孔径，所述扬声器箱还包括固定于所述壳体并密封所述第一通孔的密封片。Further, the aperture of the first through hole is smaller than the aperture of the filling hole, and the speaker box further includes a sealing sheet fixed to the housing and sealing the first through hole.
进一步地，所述加强板为钢片，所述壳体为塑料壳体。Further, the reinforcing plate is a steel sheet, and the shell is a plastic shell.
进一步地，一种前所述扬声器箱的装配方法，包括：Further, an assembling method of the aforementioned speaker box includes:
在所述加强板上贴设所述透声板，使所述透声板覆盖所述通孔；Attaching the sound-permeable plate to the reinforcing plate so that the sound-permeable plate covers the through hole;
将所述加强板夹持固定并在所述加强板的相对两侧注塑以形成所述顶壁及所述侧壁，使所述透声板周缘均嵌设于所述顶壁内；Clamping and fixing the reinforcing plate and injection molding on opposite sides of the reinforcing plate to form the top wall and the side wall, so that the periphery of the sound-transmitting plate is embedded in the top wall;
将所述发声单体与所述顶壁固定，组装所述底壁与所述侧壁以将所述发声单体封装在所述顶壁与所述底壁之间。The sound emitting monomer is fixed to the top wall, and the bottom wall and the side wall are assembled to encapsulate the sound emitting monomer between the top wall and the bottom wall.
本实用新型的实施方式Implementation of the utility model
下面结合附图和实施方式对本实用新型作进一步说明。The present utility model will be further explained below in conjunction with the drawings and the embodiments.
实施例：Examples:
参见图1-图4，一种扬声器箱，扬声器箱包括具有收容空间20的壳体10以及固定于收容空间20中的发声单体30，壳体10包括与发声单体30相对且间隔设置的顶壁11、自顶壁11边缘弯折延伸的侧壁12、以及盖设在侧壁12远离顶壁11的一侧的底壁13，顶壁11、侧壁12及底壁13围合形成收容空间20，发声单体30将收容空间20分隔形成前声腔21与后声腔22，顶壁11与发声单体30之间形成前声腔21，顶壁11对应前声腔21贯穿开设有开口111，壳体10开设有与开口111间隔设置的出声口112，出声口112与开口111分别与前声腔21连通，扬声器箱还包括嵌设于壳体10的加强板40，加强板40包括对应覆盖开口111的主体部41和自主体部41朝向出声口112方向延伸并嵌设于壳体10的固定部42，固定部42与出声口112对应并开设有与出声口112连通的通孔422a，扬声器箱还包括覆盖通孔422a并与固定部42贴合固定的透声板50，透声板50、加强板40及壳体10注塑成型为一体，透声板50包括经出声口112露设于壳体10的透声部51以及嵌设并注塑于壳体10内的周缘部52，出声口112仅通过透声部51与前声腔21连通。1 to 4, a speaker box, the speaker box includes a housing 10 having a housing space 20 and a sounding unit 30 fixed in the housing space 20, the housing 10 includes the sounding unit 30 opposite and spaced apart The top wall 11, the side wall 12 bent and extended from the edge of the top wall 11, and the bottom wall 13 covering the side of the side wall 12 away from the top wall 11, the top wall 11, the side wall 12 and the bottom wall 13 are enclosed to form The accommodating space 20, the sounding monomer 30 divides the accommodating space 20 to form a front sound cavity 21 and a rear sound cavity 22, a front sound cavity 21 is formed between the top wall 11 and the sounding monomer 30, and an opening 111 is formed through the top wall 11 corresponding to the front sound cavity 21. The housing 10 is provided with a sound outlet 112 spaced apart from the opening 111. The sound outlet 112 and the opening 111 are respectively communicated with the front sound cavity 21. The speaker box also includes a reinforcing plate 40 embedded in the housing 10, and the reinforcing plate 40 includes a corresponding The main body portion 41 covering the opening 111 and the fixing portion 42 extending from the main body portion 41 toward the sound outlet 112 and embedded in the housing 10, the fixing portion 42 corresponds to the sound outlet 112 and is provided with a communication port 112 Through holes 422a, the speaker box also includes a sound-transmitting plate 50 covering the through-holes 422a and being bonded and fixed to the fixing portion 42. The sound-transmitting plate 50, the reinforcing plate 40 and the housing 10 are injection-molded into one body. The sound port 112 is exposed on the sound-transmitting part 51 of the casing 10 and the peripheral portion 52 embedded and injection molded in the casing 10. The sound-outlet 112 communicates with the front sound cavity 21 only through the sound-transmitting part 51.
在本实用新型中，加强板40包括主体部41和固定部42，主体部41对应并覆盖开口111，固定部42则由主体部41朝向出声口112方向延伸形成，固定部42对应出声口112并嵌设于壳体10中，固定部42上开设有与出声口112连通的通孔422a；扬声器箱还包括覆盖通孔422a并和固定部42贴合固定的透声板50，透声板50、加强板40以及壳体10注塑成型为一体，透声板50则包括经出声口112露设于壳体10的透声部51和嵌设并注塑在壳体10内的周缘部52，出声口112通过透声部51与前声腔21连通；通过将固定部42与透声板50贴合固定作为一个整体嵌件一起与壳体10注塑成型，使得透声板50的边缘具有刚性，可以像其他硬件嵌件一样进行注塑，并在固定部42上开设与出声口112对应的通孔422a，使得出声口112可以通过透声部51与前声腔21连通实现出音，解决了现有技术中透声板50因软质性质在注塑时其边缘被塑胶冲翻起来，未能贴合在塑胶表面的问题。In the present invention, the reinforcing plate 40 includes a main body 41 and a fixing portion 42. The main body 41 corresponds to and covers the opening 111. The fixing portion 42 is formed by extending the main body 41 toward the sound outlet 112, and the fixing portion 42 corresponds to the sound The opening 112 is embedded in the housing 10, and the fixing portion 42 is provided with a through hole 422a communicating with the sound outlet 112; the speaker box also includes a sound-transmitting plate 50 covering the through hole 422a and being fixed to the fixing portion 42. The sound-transmitting plate 50, the reinforcing plate 40, and the housing 10 are injection-molded into one body. The sound-transmitting plate 50 includes a sound-transmitting part 51 exposed on the housing 10 through the sound outlet 112 and an embedded and injection molded part in the housing 10 The peripheral portion 52 and the sound outlet 112 communicate with the front acoustic cavity 21 through the sound-transmitting portion 51; the fixing portion 42 and the sound-transmitting plate 50 are attached and fixed as an integral insert and molded together with the housing 10 by injection molding, so that the sound-transmitting plate 50 The edge is rigid and can be injection molded like other hardware inserts, and a through hole 422a corresponding to the sound outlet 112 is opened on the fixing part 42 so that the sound outlet 112 can communicate with the front sound cavity 21 through the sound transparent part 51 The sound output solves the problem in the prior art that the sound-transmitting panel 50 is overturned by the plastic during injection due to its soft nature and fails to fit on the surface of the plastic.
优选地，出声口112开设在顶壁11上，出声口112与开口111位于同一顶壁11的平面上，使得自主体部41朝向出声口112延伸并嵌设在壳体10的固定部42和主体部41位于同一侧，减少固定部42的成型材料及减小其对腔体空间的占用，以保证扬声器箱的音频性能。Preferably, the sound outlet 112 is opened on the top wall 11, and the sound outlet 112 and the opening 111 are located on the same plane of the top wall 11, so that the sound outlet 112 extends from the main body 41 toward the sound outlet 112 and is embedded in the fixed housing 10 The part 42 and the main body part 41 are located on the same side, which reduces the molding material of the fixing part 42 and reduces its occupation of the cavity space to ensure the audio performance of the speaker box.
参见图2及图4，壳体10还包括自顶壁11朝底壁13方向延伸的第一延伸壁14，第一延伸壁14位于收容空间20内且绕设在发声单体30外周，发声单体30的周缘与第一延伸壁14固定。通过将发声单体30固定在第一延伸壁14上使得发声单体30与顶壁11存在相对距离，即第一延伸壁14、顶壁11和发声单体30形成前声腔。2 and 4, the housing 10 further includes a first extension wall 14 extending from the top wall 11 toward the bottom wall 13. The first extension wall 14 is located in the accommodating space 20 and is arranged around the outer periphery of the sounding monomer 30 to emit sound. The periphery of the single body 30 is fixed to the first extension wall 14. By fixing the sounding monomer 30 on the first extension wall 14, there is a relative distance between the sounding monomer 30 and the top wall 11, that is, the first extension wall 14, the top wall 11 and the sounding monomer 30 form a front acoustic cavity.
进一步地，如图5、图6及图8所示，固定部42包括自主体部41边缘朝远离发声单体30的方向延伸的连接板421、以及自连接板421朝侧壁12方向延伸的固定板422，固定板422上开设通孔422a。用双面胶90或其他胶合固定方式将透声板50固定在固定板422上，以此将固定板422和透声板50作为一个整体嵌件，注塑到壳体10中。在注塑前通过预先设置连接板421的倾斜角度，可以相应的改变透声板50在壳体10内部的位置，即透声板50可以注塑在壳体10表面，也可以注塑在壳体10内部。当透声板50与固定板422一起注塑到壳体10内部时，出声口112所处的壳体10表面可以保持平整，有利于防水密封;且可以调整透声板50在壳体10内部的纵向位置，以使扬声器箱可以达到最佳的音频性能。更进一步地，当透声板50位于壳体10内部时，透声板50一面受塑胶约束，另一面受固定板422约束，即透声板50正反两面都受力，从而使得透声板50与顶壁11、透声板50与固定板422之间结合力大大增强。Further, as shown in FIGS. 5, 6 and 8, the fixing portion 42 includes a connecting plate 421 extending from the edge of the main body 41 in a direction away from the sound emitting unit 30, and a connecting plate 421 extending in the direction of the side wall 12 The fixing plate 422 is provided with a through hole 422a. The sound-transmitting plate 50 is fixed on the fixing plate 422 with double-sided tape 90 or other gluing and fixing methods, so that the fixing plate 422 and the sound-transmitting plate 50 are used as an integral insert to be injected into the housing 10. By pre-setting the inclination angle of the connecting plate 421 before injection, the position of the sound-transmitting plate 50 inside the housing 10 can be changed accordingly, that is, the sound-transmitting plate 50 can be injection molded on the surface of the housing 10 or inside the housing 10 . When the sound-transmitting plate 50 and the fixing plate 422 are injected into the housing 10 together, the surface of the housing 10 where the sound outlet 112 is located can be kept flat, which is beneficial to waterproof and sealing; and the sound-transmitting plate 50 can be adjusted inside the housing 10 The vertical position so that the speaker box can achieve the best audio performance. Furthermore, when the sound-transmitting panel 50 is located inside the housing 10, the sound-transmitting panel 50 is constrained by plastic on one side, and the other side is constrained by the fixing plate 422, that is, both sides of the sound-transmitting panel 50 are stressed, so that the sound-transmitting panel 50 The bonding force between 50 and the top wall 11 and the sound-transmitting plate 50 and the fixing plate 422 is greatly enhanced.
进一步地，如图4及图7所示，壳体10还包括自顶壁11延伸至后声腔22内的第二延伸壁15，第二延伸壁15远离顶壁11的一端覆盖有透气隔离件60，透气隔离件60、第二延伸壁15以及顶壁11之间形成用于收容吸音材料100的填充腔70，顶壁11上开设有与填充腔70连通的灌装孔113；加强板40还包括自主体部41靠近填充腔70的一侧延伸形成的第一翼板43，第一翼板43嵌设于顶壁11并与灌装孔113正对，第一翼板43上开设有与灌装孔113同轴的第一通孔43a，灌装孔113经第一通孔43a与填充腔70连通。Further, as shown in FIGS. 4 and 7, the housing 10 further includes a second extension wall 15 extending from the top wall 11 into the rear acoustic cavity 22, and an end of the second extension wall 15 away from the top wall 11 is covered with a breathable spacer 60. A filling cavity 70 for accommodating the sound-absorbing material 100 is formed between the breathable spacer 60, the second extension wall 15 and the top wall 11, and the top wall 11 is provided with a filling hole 113 communicating with the filling cavity 70; a reinforcing plate 40 It also includes a first wing plate 43 extending from the side of the main body 41 close to the filling cavity 70. The first wing plate 43 is embedded in the top wall 11 and is directly opposite to the filling hole 113. The first wing plate 43 is provided with The first through hole 43a is coaxial with the filling hole 113, and the filling hole 113 communicates with the filling cavity 70 through the first through hole 43a.
本技术方案中的壳体10还包括自顶壁11延伸至后声腔22内的第二延伸壁15，且第二延伸壁15远离顶壁11的一端覆盖有透气隔离件60，透气隔离件60、第二延伸壁15和顶壁11形成了用于填充吸音材料100的填充腔70；加强板40还包括第一翼板43，第一翼板43由主体部41靠近填充腔70的一侧延伸形成，且第一翼板43开设有第一通孔43a，同时在顶壁11上开设有灌装吸音材料100的灌装孔113，且灌装孔113与第一通孔43a同轴设置，灌装孔113通过第一通孔43a与填充腔70连通；即第一翼板43上的第一通孔43a一方面可以用作加强板40与壳体10注塑成型时的定位孔，另一方面与灌装孔113共同作用用于填充吸音材料100，以此合并简化了扬声器箱内部腔体的结构设计，减少第一通孔43a和灌装孔113周围塑胶凸台对扬声器音腔及填充腔70的空间占用，有利于增大音腔腔体体积，提升音频性能。The housing 10 in the present technical solution further includes a second extension wall 15 extending from the top wall 11 to the rear acoustic cavity 22, and the end of the second extension wall 15 away from the top wall 11 is covered with a gas-permeable spacer 60, the gas-permeable spacer 60 , The second extension wall 15 and the top wall 11 form a filling cavity 70 for filling the sound-absorbing material 100; the reinforcing plate 40 also includes a first wing plate 43, which is close to the filling cavity 70 from the main body 41 The first wing plate 43 is formed with a first through hole 43a, and the top wall 11 is provided with a filling hole 113 for filling the sound-absorbing material 100, and the filling hole 113 is coaxially arranged with the first through hole 43a The filling hole 113 communicates with the filling cavity 70 through the first through hole 43a; that is, the first through hole 43a on the first wing plate 43 can be used as a positioning hole during injection molding of the reinforcing plate 40 and the housing 10 on the one hand, and on the other hand On the one hand, it works with the filling hole 113 to fill the sound-absorbing material 100, thereby simplifying the structural design of the internal cavity of the speaker box, reducing the impact of the first through hole 43a and the plastic boss around the filling hole 113 on the speaker sound cavity and The space occupied by the filling cavity 70 is beneficial to increase the volume of the sound cavity and improve the audio performance.
如图3、图4所示，加强板40还包括自主体部41边缘延伸形成的至少一个定位板44，定位板44上贯穿开设有注塑定位孔44a，顶壁11靠近底壁13的一侧对应定位板44凸设有定位部114，定位板44与定位部114对应并注塑成型为一体。注塑定位孔44a和第一通孔43a共同配合在加强板40与壳体10注塑成型时对加强板40进行定位，注塑模具上的定位镶针分别穿过第一通孔43a和注塑定位孔44a将加强板40固定住，从而透声板50与固定板422、第一翼板43、定位板44的位置也得到相应固定，然后进行壳体10注塑，壳体10注塑完成后，第一通孔43a与灌粉孔113同轴贯穿顶壁11，而定位板44与定位部114注塑使注塑定位孔44a而成为盲孔，从而使扬声器箱的音腔腔体呈密封状。As shown in Figures 3 and 4, the reinforcing plate 40 also includes at least one positioning plate 44 extending from the edge of the main body 41. The positioning plate 44 is provided with an injection positioning hole 44a. The top wall 11 is close to the bottom wall 13. The corresponding positioning plate 44 is protrudingly provided with a positioning portion 114, and the positioning plate 44 corresponds to the positioning portion 114 and is injection-molded into one body. The injection positioning hole 44a and the first through hole 43a cooperate to position the reinforcing plate 40 during injection molding of the reinforcing plate 40 and the casing 10. The positioning pins on the injection mold respectively pass through the first through hole 43a and the injection positioning hole 44a The reinforcing plate 40 is fixed, so that the positions of the sound-transmitting plate 50, the fixing plate 422, the first wing plate 43, and the positioning plate 44 are fixed accordingly, and then the shell 10 is injected. After the shell 10 is finished, the first pass The hole 43a and the powder filling hole 113 coaxially penetrate the top wall 11, and the positioning plate 44 and the positioning portion 114 are injection molded to make the positioning hole 44a a blind hole, so that the sound cavity of the speaker box is sealed.
优选地，顶壁11靠近底壁13的一侧凸设有环绕灌装孔113的防护部115。进一步地，第一通孔43a的孔径小于灌装孔113的孔径，灌装孔113中设置有用于密封第一通孔43a的密封片80。吸音材料100依次从灌装孔113和第一通孔43a进入到填充腔70中后，用密封片80密封第一通孔43a使得填充腔70形成密封腔体。Preferably, a side of the top wall 11 close to the bottom wall 13 is convexly provided with a protective part 115 surrounding the filling hole 113. Further, the aperture of the first through hole 43a is smaller than the aperture of the filling hole 113, and the filling hole 113 is provided with a sealing sheet 80 for sealing the first through hole 43a. After the sound absorbing material 100 enters the filling cavity 70 sequentially from the filling hole 113 and the first through hole 43a, the first through hole 43a is sealed with the sealing sheet 80 so that the filling cavity 70 forms a sealed cavity.
在本实施例中，加强板40为钢片，壳体10为塑料壳体。扬声器箱的装配方法具体为：先在加强板40上贴设透声板50，使透声板50覆盖通孔422a；然后将加强板40夹持固定并在加强板40的相对两侧注塑以形成顶壁11及侧壁12，使透声板50周缘均嵌设于顶壁11内；最后将发声单体30与顶壁11固定，组装底壁13与侧壁12以将发声单体10封装在顶壁11与底壁13之间。In this embodiment, the reinforcing plate 40 is a steel sheet, and the casing 10 is a plastic casing. The method of assembling the speaker box is as follows: first attach the sound-transmitting plate 50 on the reinforcing plate 40 so that the sound-transmitting plate 50 covers the through hole 422a; then clamp the reinforcing plate 40 and fix the reinforcing plate 40 by injection molding on opposite sides of the reinforcing plate 40. The top wall 11 and the side wall 12 are formed, so that the perimeter of the sound-transmitting panel 50 is embedded in the top wall 11; finally the sounding monomer 30 is fixed to the top wall 11, and the bottom wall 13 and the side wall 12 are assembled to connect the sounding monomer 10 It is enclosed between the top wall 11 and the bottom wall 13.
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。The above are only the embodiments of the present utility model. It should be pointed out here that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present utility model, but these all belong to The scope of protection of the utility model.
解决现有技术中位于扬声器箱出声口处的透声板在注塑时容易被冲翻而无法与塑胶表面贴合的问题。It solves the problem in the prior art that the sound-transmitting panel located at the sound outlet of the speaker box is easily overturned during injection molding and cannot be attached to the plastic surface.
Claims (10)
- 一种扬声器箱，所述扬声器箱包括具有收容空间的壳体以及固定于所述收容空间中的发声单体，所述壳体包括与所述发声单体相对且间隔设置的顶壁、自所述顶壁边缘弯折延伸的侧壁、以及盖设在所述侧壁远离所述顶壁的一侧的底壁，所述顶壁、所述侧壁及所述底壁围合形成所述收容空间，所述发声单体将所述收容空间分隔形成前声腔与后声腔，所述顶壁与所述发声单体之间形成所述前声腔，所述顶壁对应所述前声腔贯穿开设有开口，所述壳体开设有与所述开口间隔设置的出声口，所述出声口与所述开口分别与所述前声腔连通，所述扬声器箱还包括嵌设于所述壳体的加强板，其特征在于，所述加强板包括对应覆盖所述开口的主体部和自所述主体部朝向所述出声口方向延伸并嵌设于所述壳体的固定部，所述固定部与所述出声口对应并开设有与所述出声口连通的通孔，所述扬声器箱还包括覆盖所述通孔并与所述固定部贴合固定的透声板，所述透声板、所述加强板及所述壳体注塑成型为一体，所述透声板包括经所述出声口露设于所述壳体的透声部以及嵌设并注塑于所述壳体内的周缘部，所述出声口仅通过所述透声部与所述前声腔连通。 A speaker box, the speaker box comprising a housing with a containing space and a sounding unit fixed in the containing space, the housing comprising a top wall opposite to the sounding unit and spaced apart from each other, A side wall extending from the edge of the top wall and a bottom wall covering a side of the side wall away from the top wall. The top wall, the side wall and the bottom wall enclose the The accommodating space, the vocal unit partitions the accommodating space to form a front acoustic cavity and a rear acoustic cavity, the front acoustic cavity is formed between the top wall and the vocal unit, and the top wall corresponds to the front acoustic cavity through opening There is an opening, the housing is provided with sound outlets spaced apart from the opening, the sound outlet and the opening are respectively communicated with the front sound cavity, and the speaker box further includes an embedded in the housing The reinforcing plate, characterized in that, the reinforcing plate includes a main body portion corresponding to cover the opening and a fixing portion extending from the main body portion toward the sound outlet and embedded in the housing, the fixing The part corresponds to the sound outlet and is provided with a through hole communicating with the sound outlet, and the speaker box further includes a sound-transmitting plate covering the through hole and being attached and fixed to the fixing part. The sound board, the reinforcement board, and the shell are injection-molded into one body, and the sound-transmitting board includes a sound-transmitting part exposed on the shell through the sound outlet, and embedded and injection molded in the shell The sound outlet is only communicated with the front acoustic cavity through the sound-transmitting part.
- 根据权利要求1所述的扬声器箱，其特征在于，所述出声口开设于所述顶壁。The speaker box according to claim 1, wherein the sound outlet is opened on the top wall.
- 根据权利要求1或2所述的扬声器箱，其特征在于，所述壳体还包括自所述顶壁朝所述底壁方向延伸的第一延伸壁，所述第一延伸壁位于所述收容空间内且绕设在所述发声单体外周，所述发声单体的周缘与所述第一延伸壁固定。The speaker box according to claim 1 or 2, wherein the housing further comprises a first extension wall extending from the top wall toward the bottom wall, and the first extension wall is located in the housing Inside the space and around the outer periphery of the sounding monomer, the periphery of the sounding monomer is fixed to the first extension wall.
- 根据权利要求3所述的扬声器箱，其特征在于，所述固定部包括自所述主体部边缘朝远离所述发声单体的方向延伸的连接板、以及自所述连接板朝所述侧壁方向延伸的固定板，所述固定板上开设所述通孔。The speaker box according to claim 3, wherein the fixing portion includes a connecting plate extending from the edge of the main body in a direction away from the sound emitting unit, and a connecting plate extending from the connecting plate toward the side wall A fixed plate extending in a direction, and the through hole is opened on the fixed plate.
- 根据权利要求3所述的扬声器箱，其特征在于，所述壳体还包括自所述顶壁延伸至所述后声腔内的第二延伸壁，所述第二延伸壁远离所述顶壁的一端覆盖有透气隔离件，所述透气隔离件、所述第二延伸壁以及所述顶壁之间形成用于收容吸音材料的填充腔，所述顶壁上开设有与所述填充腔连通的灌装孔；所述加强板还包括自所述主体部靠近所述填充腔的一侧延伸形成的第一翼板，所述第一翼板嵌设于所述顶壁并与所述灌装孔正对，所述第一翼板上开设有与所述灌装孔同轴的第一通孔，所述灌装孔经所述第一通孔与所述填充腔连通。The speaker box according to claim 3, wherein the housing further comprises a second extension wall extending from the top wall into the rear acoustic cavity, and the second extension wall is far from the top wall One end is covered with a gas-permeable spacer, a filling cavity for accommodating sound-absorbing material is formed between the gas-permeable spacer, the second extension wall and the top wall, and a filling cavity connected to the filling cavity is opened on the top wall. The filling hole; the reinforcing plate further includes a first wing plate extending from the side of the main body close to the filling cavity, and the first wing plate is embedded in the top wall and is connected to the filling cavity The hole is directly opposite, the first wing plate is provided with a first through hole coaxial with the filling hole, and the filling hole communicates with the filling cavity through the first through hole.
- 根据权利要求1所述的扬声器箱，其特征在于，所述加强板还包括自所述主体部边缘延伸形成的至少一个定位板，所述定位板上贯穿开设有注塑定位孔，所述顶壁靠近所述底壁的一侧对应所述定位板凸设有定位部，所述定位板与所述定位部对应并注塑成型为一体。The speaker box according to claim 1, wherein the reinforcing plate further comprises at least one positioning plate extending from the edge of the main body portion, the positioning plate is penetrated with injection positioning holes, and the top wall A side close to the bottom wall is provided with a positioning portion corresponding to the positioning plate, and the positioning plate corresponds to the positioning portion and is injection-molded into one body.
- 根据权利要求5所述的扬声器箱，其特征在于，所述顶壁靠近所述底壁的一侧凸设有环绕所述灌装孔的防护部。The loudspeaker box according to claim 5, wherein a protective part surrounding the filling hole is convexly provided on a side of the top wall close to the bottom wall.
- 根据权利要求5所述的扬声器箱，其特征在于，所述第一通孔的孔径小于所述灌装孔的孔径，所述扬声器箱还包括固定于所述壳体并密封所述第一通孔的密封片。The speaker box according to claim 5, wherein the aperture of the first through hole is smaller than the aperture of the filling hole, and the speaker box further comprises fixed to the housing and sealing the first through hole. Hole sealing sheet.
- 根据权利要求1所述的扬声器箱，其特征在于，所述加强板为钢片，所述壳体为塑料壳体。 The speaker box according to claim 1, wherein the reinforcing plate is a steel sheet, and the shell is a plastic shell.
- 一种如权利要求1-9任一项所述扬声器箱的装配方法，其特征在于，包括：A method for assembling the speaker box according to any one of claims 1-9, characterized in that it comprises:在所述加强板上贴设所述透声板，使所述透声板覆盖所述通孔；Attaching the sound-permeable plate to the reinforcing plate so that the sound-permeable plate covers the through hole;将所述加强板夹持固定并在所述加强板的相对两侧注塑以形成所述顶壁及所述侧壁，使所述透声板周缘均嵌设于所述顶壁内；Clamping and fixing the reinforcing plate and injection molding on opposite sides of the reinforcing plate to form the top wall and the side wall, so that the periphery of the sound-transmitting plate is embedded in the top wall;将所述发声单体与所述顶壁固定，组装所述底壁与所述侧壁以将所述发声单体封装在所述顶壁与所述底壁之间。The sound emitting monomer is fixed to the top wall, and the bottom wall and the side wall are assembled to encapsulate the sound emitting monomer between the top wall and the bottom wall.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/094013 WO2021000115A1 (en) | 2019-06-29 | 2019-06-29 | Loudspeaker box and assembly method therefor |
| CN201910592553.3A CN110351649B (en) | 2019-06-29 | 2019-07-03 | Loudspeaker box and assembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2019/094013 WO2021000115A1 (en) | 2019-06-29 | 2019-06-29 | Loudspeaker box and assembly method therefor |
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| WO2021000115A1 true WO2021000115A1 (en) | 2021-01-07 |
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| PCT/CN2019/094013 WO2021000115A1 (en) | 2019-06-29 | 2019-06-29 | Loudspeaker box and assembly method therefor |
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| WO (1) | WO2021000115A1 (en) |
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| CN110351649B (en) | 2021-06-11 |
| CN110351649A (en) | 2019-10-18 |
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