WO2022165624A1 - Caisson de haut-parleur pouvant flotter et pulvériser de l'eau - Google Patents

Caisson de haut-parleur pouvant flotter et pulvériser de l'eau Download PDF

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Publication number
WO2022165624A1
WO2022165624A1 PCT/CN2021/074802 CN2021074802W WO2022165624A1 WO 2022165624 A1 WO2022165624 A1 WO 2022165624A1 CN 2021074802 W CN2021074802 W CN 2021074802W WO 2022165624 A1 WO2022165624 A1 WO 2022165624A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
water spray
floating
shell
groove
Prior art date
Application number
PCT/CN2021/074802
Other languages
English (en)
Chinese (zh)
Inventor
梅庆开
王佳佳
梁启帮
陈光波
Original Assignee
深圳市魅动智能股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市魅动智能股份有限公司 filed Critical 深圳市魅动智能股份有限公司
Priority to PCT/CN2021/074802 priority Critical patent/WO2022165624A1/fr
Publication of WO2022165624A1 publication Critical patent/WO2022165624A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein

Definitions

  • the present application relates to the field of sound boxes, and in particular, to a floating water spray sound box.
  • the functions and use environment of speakers are becoming more and more abundant.
  • the individual floating speakers are also limited in use and cannot meet people's requirements for functional diversity of floating speakers.
  • the floating sound box in the prior art has no function of spraying water, and cannot achieve an effect similar to a fountain.
  • a water jet speaker is designed, but the structure of the related water jet speaker is relatively large.
  • the Chinese patent application with the publication number CN203167189U adopts a plurality of water spray holes arranged along the edge of the sound box, which makes the water spray structure more complicated and less compact, and the water spray has poor aesthetics and is not concentrated.
  • the purpose of the present application is to provide a floating water jet speaker, which aims to solve the problem that the structure of the floating water jet speaker is not compact in the related art.
  • a floating water spray sound box comprising a shell with a sound cavity, a horn mounted on the shell, and a water spray structure mounted on the shell;
  • the shell includes a lower shell, and the an upper shell to which the lower shell is detachably connected; the upper shell and the lower shell are enclosed to form the sound cavity;
  • the lower shell is recessed toward the direction close to the upper shell to form an accommodating groove, and the accommodating groove
  • the bottom of the trough is provided with a water inlet hole, and the upper shell is provided with a first abdication hole;
  • the water spray structure includes a water spray pump installed in the accommodating groove, and a water spray pipe communicated with the water spray pump ;
  • the water spray pipe is sealingly connected with the inner wall of the lower shell and is arranged around the water inlet hole, the water spray pipe penetrates the first escape hole, and the water spray pipe is in the first escape hole.
  • the position hole is sealed with the upper casing.
  • the bottom of the accommodating tank is provided with a water inlet cylinder surrounding the water inlet hole, the water inlet cylinder is inserted at the outlet of the spray pump, and the water inlet cylinder is connected to the spray nozzle.
  • the outlet of the pump has an interference fit.
  • the floating water spray sound box further includes a rechargeable battery provided in the housing, and the axis of the water inlet cylinder and the axis of the water spray pipe are parallel to each other and arranged at intervals.
  • a first sealing groove is formed on the inner surface of the lower shell, the first sealing groove surrounds the water inlet hole, a first sealing ring is arranged in the first sealing groove, and the spraying One end of the water pipe away from the water spray head is inserted into the first sealing groove and abuts with the first sealing ring.
  • a second sealing groove is formed on the inner surface of the upper shell, the second sealing groove surrounds the first escape hole, and a second sealing ring is arranged in the second sealing groove, so The outer wall of the water spray pipe is provided with an abutment platform abutting against the second sealing ring.
  • the upper case is fixedly connected to the lower case by screws.
  • the floating water spray sound box further includes a control circuit board mounted on the casing, and two conductor probes disposed on the bottom of the casing and electrically connected to the control circuit board; two The conductor probes are arranged at intervals.
  • a safety groove is formed at the bottom of the lower shell, and the conductor probe is arranged at the bottom of the safety groove.
  • the accommodating groove is located at the bottom of the safety groove
  • the floating water spray sound box further includes a bottom cover detachably connected to the lower shell, and a filter hole is opened on the bottom cover.
  • the bottom cover is snap-connected to the inner sidewall of the safety groove (a gap is formed between the bottom cover and the bottom of the safety groove; the bottom of the safety groove is provided with a flexible safety
  • the flexible safety post is in contact with the bottom cover
  • the floating water spray sound box further includes a water spray head that is detachably connected to the water spray pipe.
  • the upper case has a horizontal top surface and an inclined side surface, and the horn is mounted on the inclined side surface;
  • the water spray structure includes a water spray pump mounted on the housing, and is connected with the The water spray pipe communicated with the water spray pump; the end of the water spray pipe away from the water spray pump protrudes from the horizontal top surface.
  • the floating water spray sound box further includes a water blocking shell connected to the housing, and a hydrophobic layer disposed on the water blocking shell, the water blocking shell is opposite to and spaced from the horn
  • the water retaining shell is provided with a sound outlet;
  • the floating water spray sound box also includes a top seat arranged on the horizontal top surface, and the top seat is provided with a second hole for the water spray pipe to pass through.
  • the water retaining shell is clamped with the top seat within the boundary range of the top seat; a charging hole is opened on the top seat, a charging connector is arranged in the charging hole, and the charging hole
  • the inner wall of the circuit board is provided with a charging communication hole communicating with the control cavity, a charging connection line is arranged between the control circuit board and the charging connector, and the charging connection line is sealed with the inner wall of the charging communication hole.
  • the inclined side surfaces are arranged around the horizontal top surface, and the water spray pipe protrudes from the horizontal top surface at the center of the horizontal top surface.
  • the included angle between the inclined side surface and the horizontal top surface ranges from 100 degrees to 150 degrees.
  • the beneficial effects of the floating water spray speaker are that: the water spray pipe penetrates through the upper shell and is sealedly connected with the upper shell at the first abdication hole; at the same time, the bottom of the water spray pipe is sealed with the inner surface of the lower shell. , and surround the water inlet hole, so as to realize the sealing connection between the water spray pipe and the shell.
  • the water jet pump is installed in the accommodating groove formed by the indentation of the lower shell. Although it is on one side of the outer surface of the lower shell, it will not protrude from the surface of the lower shell.
  • the water-spraying water pump and the water-spraying pipe of the water-spraying structure are integrated on the shell, so that the structure of the floating water-spraying sound box is compact.
  • FIG. 1 is a schematic structural diagram of a floating water jet speaker in an embodiment of the application
  • FIG. 2 is a cross-sectional view of a floating water jet speaker in an embodiment of the application
  • FIG. 3 is a partial cross-sectional view of the floating water jet speaker at the water jet structure in the embodiment of the application;
  • FIG. 4 is a partial cross-sectional view of the floating water jet speaker at the top seat in the embodiment of the application;
  • FIG. 6 is a schematic structural diagram of the top of the housing in the embodiment of the application.
  • an embodiment of the present application proposes a floating water spray speaker, including a housing 1 having a sound cavity 101 , a speaker 2 mounted on the housing 1 , and a water spray mounted on the housing 1 Structure 3;
  • the casing 1 includes a lower casing 102 and an upper casing 103 detachably connected to the lower casing 102; the upper casing 103 and the lower casing 102 are enclosed to form a sound cavity 101;
  • the water spray structure 3 includes a water jet pump 301 installed in the accommodating groove 1021, and The water spray pipe 302 communicated with the water spray pump 301;
  • the water spray pipe 302 is sealedly connected with the inner wall of the lower shell 102 and arranged around the water inlet hole 1022, the water spray pipe 302 penetrates the first abdication hole 1031, and the water
  • the shell 1 of the floating water jet speaker has a sound cavity 101, that is, the shell 1 has an internal cavity, so when the water jet speaker is placed on the water surface, it can float on the water surface to realize the floating function . And when the water spray speaker is placed on the water surface, the water spray pump 301 can extract water and pump it into the water spray pipe 302, and the water is finally sprayed from the outlet of the water spray pipe 302 to achieve the effect of water spray.
  • the water spray pipe 302 penetrates through the upper casing 103 and is sealedly connected with the upper casing 103 at the first abdication hole 1031; at the same time, the bottom of the water spray pipe 302 is sealed and connected with the inner surface of the lower casing 102, and surrounds the water inlet hole 1022, and then The water spray pipe 302 is sealedly connected with the housing 1 .
  • the water jet pump 301 is installed in the recessed accommodating groove 1021 of the lower casing 102 , although it is on one side of the outer surface of the lower casing 102 , it will not protrude from the surface of the lower casing 102 .
  • the water spray pump 301 and the water spray pipe 302 of the water spray structure 3 are integrated on the casing 1 of the housing 1, so as to realize the compactness of the structure of the floating water spray speaker.
  • the water spray pipe 302 can run through the middle of the upper shell 103, and then be located in the middle of the floating water spray speaker, on the one hand, the aesthetics of the water spray can be realized, and on the other hand, the water spray speaker can also be better when the water is sprayed. It floats smoothly on the water surface and is not easy to tilt.
  • the bottom of the accommodating tank 1021 is provided with a water inlet cylinder 104 surrounding the water inlet hole 1022 , and the water inlet cylinder 104 is inserted into the At the outlet of the water jet pump 301 , the water inlet cylinder 104 is in interference fit with the outlet of the water jet pump 301 .
  • the water inlet cylinder 104 is inserted into the outlet (water outlet) of the water jet pump 301 to complete the quick installation of the water jet pump 301 , thereby realizing the convenience of installation of the water jet pump 301 .
  • the floating water jet speaker further includes a rechargeable battery 4 arranged in the housing 1, and the axis of the water inlet cylinder 104 is connected to the water jet.
  • the axes of the tubes 302 are parallel and spaced apart from each other.
  • the water spray pipe 302 is arranged in the center of the sound box, on the one hand to ensure the effect of water spray, on the other hand to maintain the balance of the sound box.
  • the water jet pump 301 After the water jet pump 301 is connected to the water inlet cylinder 104, there is a gap between the center of gravity of the water jet pump 301 and the axis of the water spray pipe 302 (the water jet pump 301 is eccentrically arranged), which is convenient for cooperating with the rechargeable battery 4 to adjust the center of gravity of the speaker to the position of the speaker. on the center.
  • the rechargeable battery 4 and the water jet pump 301 are relatively heavy components, and their settings are likely to affect the position of the center of gravity of the speaker. In order for the speaker to float smoothly on the water, the center of gravity needs to be set on the positive center of gravity of the speaker.
  • the axis of the water inlet cylinder 104 and the axis of the water spray pipe 302 are parallel to each other and arranged at intervals.
  • the rechargeable battery 4 and the water spray pump 301 can also be arranged horizontally at intervals, without occupying the vertical direction. Larger space ensures the compactness of the speaker structure.
  • the inner surface of the lower shell 102 is provided with a first sealing groove 1023, and the first sealing groove 1023 surrounds the water inlet hole 1022,
  • the first sealing groove 1023 is provided with a first sealing ring 5 , and the end of the water spray pipe 302 away from the water spray head 11 is inserted into the first sealing groove 1023 and abuts against the first sealing ring 5 .
  • the water pumped by the water spray pump 301 is not easy to leak into the sound cavity 101 through the gap between the water spray pipe 302 and the inner surface of the lower shell 102 , The waterproof effect of the sound cavity 101 is guaranteed.
  • the inner surface of the upper shell 103 is provided with a second sealing groove 1032 , and the second sealing groove 1032 surrounds the first giving way hole 1031 , a second sealing ring 6 is provided in the second sealing groove 1032 , and an abutment platform 3021 abutting against the second sealing ring 6 is provided on the outer wall of the water spray pipe 302 .
  • the arrangement of the second sealing ring 6 makes it difficult for the water outside the casing 1 to leak into the sound cavity 101 through the gap between the water spray pipe 302 and the upper casing 103 , thereby ensuring the waterproof effect of the sound cavity 101 .
  • the gap between the water spray pipe 302 and the casing 1 is closed by the first sealing ring 5 and the second sealing ring. 6. Good sealing, not easy to leak, and the sound chamber 101 has good air tightness.
  • the upper shell 103 is fixedly connected with the lower shell 102 by screws, and when the upper shell 103 and the lower shell 102 are connected by screws, After the screws are tightened, the upper shell 103 and the lower shell 102 can exert greater pressure on the water spray pipe 302, thereby pressing the first sealing ring 5 and the second sealing ring 6 to improve the sealing performance of the sound cavity 101 of the speaker.
  • the floating water jet speaker further includes a control circuit board 7 installed on the housing 1 , and a control circuit board 7 installed at the bottom of the housing 1 and connected to the control Two conductor probes 8 electrically connected to the circuit board 7; the two conductor probes 8 are arranged at intervals.
  • the floating water jet speaker is placed in the water, so the two conductor probes 8 installed on the bottom of the casing 1 are located in the water, and the two conductor probes 8 are connected by water to achieve a conduction state.
  • the corresponding control circuit on the control circuit board 7 is turned on, the floating speaker is turned on, and the playback function can be realized.
  • the opening operation of the floating speaker can be simplified, and the convenience of using the floating speaker can be improved.
  • a safety groove 105 is formed at the bottom of the lower shell 102 , and the conductor probe 8 is disposed at the bottom of the safety groove 105 . Therefore, the two conductor probes 8 do not protrude from the bottom surface of the casing 1.
  • the water at the bottom is turned on to prevent the floating water jet speaker from being turned on when it is not in use.
  • the floating water spray speaker When the floating water spray speaker is in use, it is placed in the water, the water enters the safety groove 105 and contacts the conductor probe 8, and the two conductor probes 8 are connected by water to achieve a conduction state.
  • the accommodating groove 1021 is located at the bottom of the safety groove 105 , and the floating water jet speaker further includes a bottom cover detachably connected to the lower shell 102 9.
  • the bottom cover 9 is provided with a filter hole 901 .
  • the bottom cover 9 is in direct contact with the ground, the two conductor probes 8 and the ground are isolated by the bottom cover 9, and a small amount of accumulated water is not easy to penetrate the bottom cover 9 and the safety groove 105.
  • the conductor probe 8 at the bottom of the slot is in contact to avoid conduction of the floating water jet speaker in the non-use state.
  • the floating speaker When the floating speaker is in use, it is placed in water, and the water enters the safety groove 105 through the filter hole 901 to contact the conductor probe 8, and the two conductor probes 8 are connected by water to achieve a conduction state.
  • the bottom cover 9 is snapped with the inner side wall of the safety groove 105 , so that the entire bottom cover 9 can be located in the safety groove 105 , does not protrude from the surface of the lower shell 102, and improves the compactness of the speaker structure.
  • a gap is formed between the bottom cover 9 and the bottom of the safety groove 105; when the floating speaker is placed on the ground and other environments, the bottom cover 9 is in direct contact with the ground, and the two conductor probes 8 are isolated from the ground by the bottom cover 9, and a small amount of accumulated water is not easy for the light-transmitting bottom cover 9 to contact the conductor probe 8 at the bottom of the safety groove 105, even if the water passes through the filter hole. 901, since a gap is formed between the bottom cover 9 and the groove bottom of the safety groove 105, water is not easy to contact with the conductor probe 8, so that the conduction of the floating speaker in the non-use state is avoided.
  • the floating speaker When the floating speaker is in use, it is placed in the water, and the water enters the safety groove 105 through the filter hole 901, fills the safety groove 105 and contacts the conductor probe 8, and the two conductor probes 8 are connected by water to achieve a conduction state.
  • the bottom of the safety groove 105 is provided with a flexible safety post 10 , the flexible safety post 10 abuts against the bottom cover 9 , and the bottom cover 9 is installed When in the housing 1, it can abut with the flexible safety post 10 at the bottom of the safety slot 105, and the bottom cover 9 is not easy to contact the bottom of the safety slot 105 after being pressed, and the bottom cover 9 remains in contact with the slot of the safety slot 105. gap between bottoms.
  • the bottom cover 9 When the floating speaker is placed on the ground or other environment, the bottom cover 9 is in direct contact with the ground, the two conductor probes 8 and the ground are isolated by the bottom cover 9, and a small amount of accumulated water is not easy to transmit light through the bottom cover 9 and the bottom of the safety groove 105. Even if the water passes through the filter hole 901, due to the gap formed between the bottom cover 9 and the bottom of the safety groove 105, the water is not easy to contact with the conductor probe 8, which prevents the floating speaker from being guided in the non-use state. Pass.
  • the floating water spray speaker also includes a water spray head 11 that is detachably connected to the water spray pipe 302 , so that it is convenient to replace different water spray heads 11 .
  • the upper shell 103 has a horizontal top surface 1033 and an inclined side surface 1034, and the speaker 2 is installed on the inclined side surface 1034;
  • the water spray structure 3 includes installation The spray pump 301 on the housing 1 and the spray pipe 302 communicated with the spray pump 301 ; the end of the spray pipe 302 away from the spray pump 301 protrudes from the horizontal top surface 1033 . Since there is a certain inclination angle between the inclined side surface 1034 and the horizontal top surface 1033, the horn 2 is inclined and arranged, and the water spray pipe 302 of the water spray structure 3 can extract water and spray it from the horizontal top surface 1033, so as to spray water around.
  • the floating water jet speaker further includes a water blocking shell 12 connected to the housing 1 , and a hydrophobic layer disposed on the water blocking shell 12 13.
  • the water blocking shell 12 and the horn 2 are arranged opposite and spaced apart, and the water blocking shell 12 is provided with a sound outlet 1201 .
  • the water spray structure 3 can extract water and spray it out from the water spray head 11. When the effect of water spray is realized, part of the water will hit the water retaining shell 12 to prevent the water from hitting the horn 2 directly and ensure the better vibration of the horn 2.
  • the cavity 101 ensures the waterproof performance of the sound cavity 101 .
  • the included angle between the inclined side surface 1034 and the horizontal top surface 1033 ranges from 100 degrees to 150 degrees.
  • the inclination angle of the water retaining shell 12 may also be in the range of 100 degrees to 150 degrees. Within this angle range, water is least likely to directly impact the water blocking shell 12 and the horn 2 .
  • the floating water jet speaker also includes a hydrophobic layer 13 disposed on the water blocking shell 12.
  • the hydrophobic layer 13 is located on the side of the water blocking shell 12 that faces away from the speaker 2. Before part of the water hits the water blocking shell 12, most of the water flows along the hydrophobic surface. The layer 13 flows down, further reducing the amount of water that passes through the water retaining shell 12 to the horn 2 .
  • the floating water jet speaker further includes a top seat 14 disposed on the horizontal top surface 1033, and the top seat 14 is provided with a water jet
  • the water passes through the sound outlet hole 1201 of the water blocking shell 12 .
  • the top seat 14 is provided with a charging hole 1402
  • the charging hole 1402 is provided with a charging connector 15
  • the inner wall of the charging hole 1402 is provided with a charging hole 1402 .
  • the charging communication hole 1403 connected to the control cavity is provided with a charging connection wire between the control circuit board 7 and the charging connector 15 , and the charging connection wire is sealedly connected to the inner wall of the charging communication hole 1403 .
  • a sealant is provided to fill the gap between the charging connection line and the inner wall of the charging communication hole 1403 to seal the charging communication hole 1403 between the charging hole 1402 and the control cavity, so that the charging hole 1402 and the control cavity are independent of each other. Therefore, the setting of the charging connector 15 is not easy to affect the waterproof performance of the control cavity, which simplifies the design requirements of the control cavity.
  • the inclined side surface 1034 is arranged around the horizontal top surface 1033 , and the water spray pipe 302 protrudes from the horizontal top surface at the center of the horizontal top surface 1033 1033, when the water of the water spray pipe 302 is sprayed around, it is sprayed in a parabolic manner, which can better cross the inclined sides 1034 around the horizontal top surface 1033, thereby effectively reducing the direct drop to the horn 2 on the inclined side 1034. water.
  • a plurality of horns 2 are arranged around the water spray pipe 302, the water spray pipe 302 is arranged in the middle of the sound box, and the horn 2 is arranged on the inclined side 1034 with an included angle with the vertical direction, so that the spray pipe 302 is arranged on the inclined side surface 1034 having an included angle with the vertical direction.
  • the water pipe 302 sprays water around, it is not easy to hit the water directly on the horn.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

La présente invention concerne une caisse de haut-parleur capable de flotter et de pulvériser de l'eau, comprenant un boîtier (1) ayant une cavité sonore (101), un haut-parleur (2) et une structure de pulvérisation d'eau (3) ; le boîtier (1) comprend un boîtier inférieur (102) et un boîtier supérieur (103) ; le boîtier supérieur (103) et le boîtier inférieur (102) s'enferment ensemble pour former la cavité sonore (101) ; le boîtier inférieur (102) est évidé dans une direction vers le boîtier supérieur (103) pour former un évidement de logement (1021), un trou d'entrée d'eau est prévu au fond de l'évidement de logement (1021), et un premier trou de décharge (1031) est prévu sur le boîtier supérieur (103) ; la structure de pulvérisation d'eau (3) comprend une pompe de pulvérisation d'eau (301) et un tube de pulvérisation d'eau (302) ; le tube de pulvérisation d'eau (302) est relié au boîtier inférieur (102) de manière étanche et entoure le trou d'entrée d'eau, le tube de pulvérisation d'eau (302) pénètre à travers le premier trou de décharge (1031), et le tube de pulvérisation d'eau (302) est relié au boîtier supérieur (103) de manière étanche. Le tube de pulvérisation d'eau (302) pénètre à travers le boîtier supérieur (103), et la pompe de pulvérisation d'eau (301) est montée dans l'évidement de logement (1021) formé par le boîtier inférieur (102) qui est évidé vers l'intérieur, ce qui permet d'obtenir la compacité d'une structure de caisson de haut-parleur.
PCT/CN2021/074802 2021-02-02 2021-02-02 Caisson de haut-parleur pouvant flotter et pulvériser de l'eau WO2022165624A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/074802 WO2022165624A1 (fr) 2021-02-02 2021-02-02 Caisson de haut-parleur pouvant flotter et pulvériser de l'eau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/074802 WO2022165624A1 (fr) 2021-02-02 2021-02-02 Caisson de haut-parleur pouvant flotter et pulvériser de l'eau

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WO2022165624A1 true WO2022165624A1 (fr) 2022-08-11

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201768375U (zh) * 2010-03-04 2011-03-23 浙江中南集团卡通影视有限公司 电子喷水玩具
CN203167189U (zh) * 2013-03-11 2013-08-28 威立达数码科技(深圳)有限公司 漂浮防水喷泉音箱
CN204119459U (zh) * 2014-07-24 2015-01-21 尹海彪 一种喷水音箱的防水密封结构
CN104640000A (zh) * 2015-02-06 2015-05-20 陈灿曜 一种可分离喇叭之漂浮式水舞音箱装置
CN207913229U (zh) * 2017-12-29 2018-09-28 东莞龙昌数码科技有限公司 一种直吸式喷洒水玩具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201768375U (zh) * 2010-03-04 2011-03-23 浙江中南集团卡通影视有限公司 电子喷水玩具
CN203167189U (zh) * 2013-03-11 2013-08-28 威立达数码科技(深圳)有限公司 漂浮防水喷泉音箱
CN204119459U (zh) * 2014-07-24 2015-01-21 尹海彪 一种喷水音箱的防水密封结构
CN104640000A (zh) * 2015-02-06 2015-05-20 陈灿曜 一种可分离喇叭之漂浮式水舞音箱装置
CN207913229U (zh) * 2017-12-29 2018-09-28 东莞龙昌数码科技有限公司 一种直吸式喷洒水玩具

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