CN109958770B - Sealing structure of detachable sound-transmitting cover - Google Patents
Sealing structure of detachable sound-transmitting cover Download PDFInfo
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- CN109958770B CN109958770B CN201711451960.XA CN201711451960A CN109958770B CN 109958770 B CN109958770 B CN 109958770B CN 201711451960 A CN201711451960 A CN 201711451960A CN 109958770 B CN109958770 B CN 109958770B
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- sound
- sealing
- transmitting
- transmitting cover
- rubber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a sealing structure of a detachable sound-transmitting cover, which comprises sound-transmitting rubber, a metal ring, filling liquid, an O-shaped sealing ring, a sealing screw, an installation matrix and a clamp. The acoustic hood main body is formed by the acoustic rubber and the metal ring, the acoustic hood main body is connected with the installation parent body in a sealing mode through the O-shaped sealing ring, sealing of the installation parent body is achieved, the O-shaped sealing ring is adopted for sealing, the acoustic hood has good sealing performance, dismounting performance and maintainability, filling liquid with certain pre-pressure is filled between the acoustic hood and the installation parent body, external pressure resistance of the acoustic hood can be improved, and underwater working depth of equipment can be increased. The detachable sound-transmitting cover is easy to disassemble, assemble and replace, and has good maintainability.
Description
Technical Field
The invention relates to the technical field of underwater acoustic electronic equipment, in particular to a sealing structure of a detachable sound-transmitting cover.
Background
With the continuous research and development of underwater resources, more and more underwater acoustic electronic equipment is put into use, and the usability and maintainability of the equipment also become important technical indexes for measuring the performance of the equipment.
Most underwater acoustic electronic equipment transmits and receives acoustic signals through a transducer or a transducer array, and in order to ensure the tightness of the equipment, the transducer (array) is generally directly subjected to sound-transmitting rubber vulcanization treatment. For the transducer array, the whole vulcanization is generally carried out, and when a certain transducer element fails, if the vulcanized rubber is removed for maintenance or replacement, the feasibility is not strong. In addition, when the device is used in a marine environment, the wet end part of the electronic device has the possibility of marine organism adhesion, when the adhesion organisms affect the use of the device, the surface of the device needs to be cleaned or replaced, and the integrally vulcanized device is not convenient to clean and replace.
Therefore, how to design a sound-transmitting cover which has good water depth environment adaptability, high reliability, simple structure and good economical efficiency and can be used for underwater acoustic electronic equipment becomes a problem to be solved by the technical staff in the field.
Disclosure of Invention
The embodiment of the invention provides a sealing structure of a detachable sound-transmitting cover, and aims to solve the problems that in the prior art, a sound-transmitting rubber vulcanization sealing mode is inconvenient to maintain and replace and poor in reliability.
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme:
a sealing structure of a detachable sound-transmitting cover comprises sound-transmitting rubber, a metal ring, filling liquid, an O-shaped sealing ring, a sealing screw, an installation matrix and a clamp; the sound-transmitting rubber and the metal ring form a sound-transmitting cover main body, the sound-transmitting cover main body is hermetically connected with the mounting parent body through an O-shaped sealing ring, and a certain gap is reserved between the sound-transmitting cover main body and the mounting parent body; the installation parent body is provided with a liquid injection port, and filling liquid can be filled into the gap; the liquid injection port is sealed by a sealing screw and an O-shaped sealing ring; the sound-transmitting rubber and the metal ring are connected with a clamp outside and used for ensuring that the sound-transmitting rubber and the metal ring are not separated.
Wherein, the metal ring adopts a dentate structure.
Preferably, the sound-transmitting rubber and the metal ring are subjected to potting vulcanization in a mold.
Wherein the filling liquid is a liquid with acoustic characteristics similar to that of water.
Preferably, after the sealing screw is screwed into the liquid injection hole, pressure is applied to the filling liquid.
Further, the outer part of the sound-transmitting rubber is coated with a marine organism prevention material.
The invention has the beneficial effects that: the embodiment of the invention provides a sealing structure of a detachable sound-transmitting cover, which comprises sound-transmitting rubber, a metal ring, filling liquid, an O-shaped sealing ring, a sealing screw, an installation matrix and a hoop. The acoustic hood main body is formed by the acoustic rubber and the metal ring, the acoustic hood main body is connected with the installation parent body in a sealing mode through the O-shaped sealing ring, sealing of the installation parent body is achieved, the O-shaped sealing ring is adopted for sealing, the acoustic hood has good sealing performance, dismounting performance and maintainability, filling liquid with certain pre-pressure is filled between the acoustic hood and the installation parent body, external pressure resistance of the acoustic hood can be improved, and underwater working depth of equipment can be increased. The detachable sound-transmitting cover is easy to disassemble, assemble and replace, and has good maintainability.
Drawings
FIG. 1 is a schematic view of a sealing structure of a detachable sound-transmitting enclosure provided by an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of the sealing structure of the detachable sound-transmitting cover provided by the embodiment of the invention; (ii) a
FIG. 3 is a schematic view of the shape of the sound-transmitting rubber of the sealing structure of the detachable sound-transmitting cover provided by the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a sealing ring of a sealing structure of a detachable sound-transmitting cover according to an embodiment of the present invention.
In the figure: 1-sound-transmitting rubber, 2-metal ring, 3-filling liquid, 4-O-shaped sealing ring, 5-sealing screw, 6-O-shaped sealing ring, 7-installation matrix and 8-clamp.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a sealing structure of a detachable sound-transmitting cover, including a sound-transmitting rubber 1, a metal ring 2, a filling liquid 3, an O-shaped sealing ring 4, a sealing screw 5, an O-shaped sealing ring 6, a mounting matrix 7 and a clamp 8; the sound transmission rubber and the metal ring form a sound transmission cover main body, the sound transmission cover main body is hermetically connected with the mounting parent body through an O-shaped sealing ring, and a certain gap is reserved between the sound transmission cover main body and the mounting parent body 7; the installation parent body 7 is provided with a liquid injection port, and filling liquid 3 can be filled in the gap; the liquid injection port is sealed by a sealing screw 5 and an O-shaped sealing ring 6; the connection of the sound-transmitting rubber 1 and the metal ring 2 is externally provided with a hoop 8, and the hoop 8 can exert restraint on the external part of the vulcanized connection of the sound-transmitting rubber 1 and the metal ring 2, so that the sound-transmitting rubber 1 and the metal ring 2 can be ensured not to be separated.
In the embodiment of the invention, in a special mold, the liquid sound-transmitting rubber and the metal ring 2 shown in fig. 4 are vulcanized and encapsulated in the special mold to form the solid sound-transmitting rubber 1 shown in fig. 3, and the liquid sound-transmitting rubber and the solid sound-transmitting rubber together form the sound-transmitting cover main body.
The metal ring 2 adopts the dentate structure 21, so that the contact area between the metal ring 2 and the sound-transmitting rubber 1 can be effectively increased, the mechanical condition of the connection part is improved, and the connection reliability of the metal ring and the sound-transmitting rubber is improved.
The main body of the sound-transmitting cover and the installation parent body 7 are sealed through an O-shaped sealing ring 4, and the O-shaped sealing ring 4 can be detached and replaced. After the sound-transmitting cover main body and the installation matrix 7 are assembled, a hoop 8 is installed on the outer portion, connected with the metal ring 2 in a vulcanization mode, of the sound-transmitting rubber 1, and an installation screw of the hoop 8 is screwed down so that the connection portion of the sound-transmitting rubber 1 and the metal ring 2 cannot be separated and fall off when certain internal pressure exists in the sound-transmitting cover.
The gap between the sound-transmitting cover main body and the mounting base body 7 is filled with a filling liquid 3 having acoustic characteristics close to those of water. Meanwhile, the installation main body 7 is provided with a sealable filling port, filling liquid with a certain volume is filled into a gap between the sound-transmitting cover main body and the installation parent body 7, the sealing screw 5 provided with the O-shaped sealing ring 6 is installed at the filling port to realize sealing, and certain pressure can be applied to the filling liquid, so that the pressure bearing performance of the sound-transmitting cover can be improved, and the underwater working depth of the sound-transmitting cover is increased. The sealing screw 5 and the O-shaped sealing ring 6 can be disassembled and replaced.
Further, the outside of the sound-transmitting rubber 1 may be painted with a marine growth preventive material.
The embodiment of the invention provides a sealing structure of a detachable sound-transmitting cover, which comprises sound-transmitting rubber 1, a metal ring 2, filling liquid 3, an O-shaped sealing ring 4, a sealing screw 5, an O-shaped sealing ring 6, an installation matrix 7 and a clamp 8. The acoustic hood main body is formed by the acoustic rubber and the metal ring, the acoustic hood main body is connected with the installation parent body in a sealing mode through the O-shaped sealing ring, sealing of the installation parent body is achieved, the O-shaped sealing ring is adopted for sealing, the acoustic hood has good sealing performance, dismounting performance and maintainability, filling liquid with certain pre-pressure is filled between the acoustic hood and the installation parent body, external pressure resistance of the acoustic hood can be improved, and underwater working depth of equipment can be increased. The detachable sound-transmitting cover is easy to disassemble, assemble and replace, and has good maintainability.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.
Claims (4)
1. A sealing structure of a detachable sound-transmitting cover is characterized by comprising sound-transmitting rubber, a metal ring, filling liquid, an O-shaped sealing ring, a sealing screw, an installation matrix and a clamp; the sound-transmitting rubber and the metal ring form a sound-transmitting cover main body, the sound-transmitting cover main body is hermetically connected with the mounting parent body through an O-shaped sealing ring, and a certain gap is reserved between the sound-transmitting cover main body and the mounting parent body; the installation matrix is provided with a liquid injection port, filling liquid can be filled into the gap, and the filling liquid is liquid with acoustic characteristics similar to that of water; the liquid injection port is sealed by a sealing screw and an O-shaped sealing ring, and the sealing screw applies pressure to the filling liquid after being screwed into the liquid injection port; the sound-transmitting rubber and the metal ring are connected with a clamp outside and used for ensuring that the sound-transmitting rubber and the metal ring are not separated.
2. A sealing structure of a detachable sound-transmitting cover according to claim 1, wherein the metal ring is a toothed structure.
3. A sealing structure of a detachable sound-transmitting cover according to claim 2, wherein the sound-transmitting rubber and the metal ring are potting-vulcanized in a mold.
4. The sealing structure of a detachable sound-transmitting cover according to claim 3, wherein the outer portion of the sound-transmitting rubber is coated with a marine organism preventive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711451960.XA CN109958770B (en) | 2017-12-26 | 2017-12-26 | Sealing structure of detachable sound-transmitting cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711451960.XA CN109958770B (en) | 2017-12-26 | 2017-12-26 | Sealing structure of detachable sound-transmitting cover |
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| Publication Number | Publication Date |
|---|---|
| CN109958770A CN109958770A (en) | 2019-07-02 |
| CN109958770B true CN109958770B (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711451960.XA Active CN109958770B (en) | 2017-12-26 | 2017-12-26 | Sealing structure of detachable sound-transmitting cover |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002206965A (en) * | 2001-01-10 | 2002-07-26 | Oki Electric Ind Co Ltd | Underwater acoustic sensor and its method of manufacture |
| CN101072452A (en) * | 2005-12-27 | 2007-11-14 | 中国科学院声学研究所 | Deep-sea piezoelectric underwater-acoustic transducer and its manufacturing method |
| CN204423896U (en) * | 2014-12-31 | 2015-06-24 | 中船重工（昆明）灵湖科技发展有限公司 | The underwater acoustic transducer of a kind of effective defence sea life attachment |
| CN105662467A (en) * | 2016-02-29 | 2016-06-15 | 深圳市索诺瑞科技有限公司 | Mechanical scanning probe |
| CN106782474A (en) * | 2016-11-30 | 2017-05-31 | 哈尔滨工程大学 | Deep-sea broadband mosaic annulus transducer |
-
2017
- 2017-12-26 CN CN201711451960.XA patent/CN109958770B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002206965A (en) * | 2001-01-10 | 2002-07-26 | Oki Electric Ind Co Ltd | Underwater acoustic sensor and its method of manufacture |
| CN101072452A (en) * | 2005-12-27 | 2007-11-14 | 中国科学院声学研究所 | Deep-sea piezoelectric underwater-acoustic transducer and its manufacturing method |
| CN204423896U (en) * | 2014-12-31 | 2015-06-24 | 中船重工（昆明）灵湖科技发展有限公司 | The underwater acoustic transducer of a kind of effective defence sea life attachment |
| CN105662467A (en) * | 2016-02-29 | 2016-06-15 | 深圳市索诺瑞科技有限公司 | Mechanical scanning probe |
| CN106782474A (en) * | 2016-11-30 | 2017-05-31 | 哈尔滨工程大学 | Deep-sea broadband mosaic annulus transducer |
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| Publication number | Publication date |
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| CN109958770A (en) | 2019-07-02 |
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