CN211515079U - Sealing device for ultrasonic transducer - Google Patents
Sealing device for ultrasonic transducer Download PDFInfo
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- CN211515079U CN211515079U CN201922230254.3U CN201922230254U CN211515079U CN 211515079 U CN211515079 U CN 211515079U CN 201922230254 U CN201922230254 U CN 201922230254U CN 211515079 U CN211515079 U CN 211515079U
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- sleeve
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- ultrasonic transducer
- sealing ring
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Abstract
A sealing device of an ultrasonic transducer comprises a plurality of sleeves connected with a central protective cylinder, wherein the joints of the sleeves, the central protective cylinder and a zero point wafer are sealed and waterproof by O-shaped sealing rings; a waterproof joint is arranged on the central pile casing, and an electrode wire is led out from the waterproof joint; the central protective cylinder is connected with the sleeve through threads. The utility model discloses mainly be applied to and place the piezoelectric ceramic element on the ultrasonic transducer of work in the liquid in sealed, prevent that liquid from contacting piezoelectric ceramic element, effectively protect piezoelectric ceramic element can not lead to damaging because of the weeping short circuit, have good heat dispersion simultaneously. The utility model discloses the preparation assembly is simple, and sealing connection is firm reliable, and the radiating effect is good.
Description
Technical Field
The utility model relates to a sealing device especially relates to an ultrasonic transducer sealing device who works in the immersion liquid.
Background
In the field of power ultrasound, an ultrasonic transducer applied to processing a liquid medium is contacted with liquid in the working process, and the liquid is easy to splash onto a piezoelectric element of the ultrasonic transducer, so that the ultrasonic transducer working in a high-frequency and high-voltage state causes short circuit to cause damage of the ultrasonic transducer; especially for ultrasonic transducers operating completely immersed in a liquid, sealing is an essential device. The piezoelectric ceramic element of the high-power ultrasonic transducer can generate heat in the working process, if the heat can not be timely dissipated, the temperature of the piezoelectric ceramic element can be continuously increased, and finally the ultrasonic transducer is damaged due to high temperature.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned not enough of prior art, and provide an ultrasonic transducer sealing device, the preparation assembly is simple, and sealing connection is firm reliable, and the radiating effect is good.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides an ultrasonic transducer sealing device, protects a section of thick bamboo including the center, and the center protects a section of thick bamboo and is the cross tubular structure, is link up by horizontal section of thick bamboo, perpendicular section of thick bamboo middle part and forms, and the center protects a section of thick bamboo and has four mouths, and the center protects four mouths of a section of thick bamboo sealing connection respectively, and the center protects four mouths of a section of thick bamboo and a sleeve one end mouth sealing connection respectively, and each sleeve other end mouth is equipped with and is used for with the overhead zero node disk cooperation sealing connection's of instrument sealing washer two. The function of the zero node disc is to mount, fix or connect other parts, such as: mounting and fixing the transducer on other equipment, and mounting and fixing a cylinder for sealing, an O-shaped sealing ring and the like; the zero node wafer is arranged at the position of a zero node in the middle of the tool head, but not necessarily in the middle of the tool head, the position of the zero node needs to be determined according to the frequency, the wavelength and the design structure of the tool head, the position with the maximum amplitude and the position with the zero amplitude exist in one wavelength, the zero node wafer is arranged at the position with the zero amplitude, and the zero amplitude position can be regarded as zero vibration and does not do work and consume energy when the transducer works. There may be many zero nodes on one tool head, and the position of the zero node wafer can be selected as required.
The inner walls of the cylinder openings at the two ends of the horizontal cylinder and the cylinder openings at the two ends of the vertical cylinder are respectively provided with a section of internal thread, the inner walls of the horizontal cylinder opening and the vertical cylinder opening at the inner ends of the internal thread sections are provided with a circle of flange, the flange is provided with a first groove, and a first sealing ring is arranged at the first groove; the outer wall of a cylinder opening at one end of the sleeve is provided with an external thread which is connected with the horizontal cylinder opening of the central protective cylinder and the internal thread of the vertical cylinder opening, the cylinder opening at one end of the sleeve is abutted to the first sealing ring, the inner wall of the cylinder opening at the other end of the sleeve is provided with a circle of bulge, the inner end of the bulge is provided with a second groove, and the second sealing ring is arranged at the second groove.
The central protective cylinder and the sleeve are filled with heat-conducting silicone grease or the central protective cylinder is filled with a heat-conducting agent.
The first sealing ring and the second sealing ring are both O-shaped sealing rings.
And a waterproof joint used for being matched with the leading-out of the electrode wire is arranged on the central protective cylinder.
The central casing and the sleeve are made of metal materials such as aluminum or copper or stainless steel.
An ultrasonic transducer sealing device comprises a central protective cylinder, wherein a waterproof joint used for being matched with an electrode wire to be led out is arranged on the central protective cylinder; the central protective cylinder is of a cross-shaped cylindrical structure and is formed by penetrating the middle parts of the horizontal cylinder and the vertical cylinder, the cylinder openings at two ends of the horizontal cylinder and the inner walls of the cylinder openings at two ends of the vertical cylinder are respectively provided with a section of internal thread, the inner walls of the horizontal cylinder opening and the vertical cylinder opening at the inner ends of the internal thread sections are provided with a circle of flange, a first groove is arranged on the flange, and a first sealing ring is arranged at the first groove; the outer wall of a cylinder opening at one end of each sleeve is provided with an external thread which is connected with the internal thread of a horizontal cylinder opening and a vertical cylinder opening of the central protection cylinder, the inner wall of a cylinder opening at the other end of each sleeve is provided with a circle of bulge, the inner end of each bulge is provided with a second groove, and a second sealing ring is arranged at the second groove; the external threads of the cylinder openings at one ends of the four sleeves are respectively in threaded connection with the horizontal cylinder opening and the vertical cylinder opening of the central protective cylinder, the cylinder openings at one ends of the sleeves are abutted to the first sealing ring, and the cylinder openings at the other ends of the sleeves are in sealed connection with the zero-node wafer on the tool head through the second sealing ring.
The utility model discloses mainly be applied to and place the piezoelectric ceramic element on the ultrasonic transducer of work in the liquid in sealed, prevent that liquid from contacting piezoelectric ceramic element, effectively protect piezoelectric ceramic element can not lead to damaging because of the weeping short circuit, have good heat dispersion simultaneously. The utility model discloses not only can keep apart ultrasonic transducer's piezoceramics component and liquid, prevent that ultrasonic transducer from soaking in liquid in the course of the work because of liquid gets into piezoceramics component and lead to the short circuit to damage, still can derive the produced heat of piezoceramics component in the ultrasonic transducer work process simultaneously, guarantee that can not lead to damaging because of high temperature is overheated in the ultrasonic transducer work process.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of an ultrasonic transducer;
FIG. 3 is a schematic structural view of a central casing;
FIG. 4 is a cross-sectional view of the center shield;
FIG. 5 is a schematic structural view of the sleeve;
FIG. 6 is a cross-sectional view of the sleeve;
in the figure, 1, an ultrasonic transducer, 101, a piezoelectric ceramic element, 102, a tool head, 103, a zero node wafer, 2, a center casing, 3, a sleeve, 4, an O-shaped sealing ring, 5, a waterproof joint, 6 and an electrode wire.
Detailed Description
In fig. 1, the utility model discloses a center protects a section of thick bamboo 2, four and protects sleeve 3 that a section of thick bamboo 2 is connected with the center, and the center protects and is provided with water joint 5 on a section of thick bamboo 2, and electrode line 6 is drawn forth from water joint 5, is provided with O type sealing washer two 4 between the zero node disk 103 on sleeve 3 and the tool head 102, and sleeve 3 protects a 2 junction with the center and is provided with O type sealing washer one. The central protection cylinder 2 covers the piezoelectric ceramic element 101 of the ultrasonic transducer 1 in the middle, and an O-shaped sealing ring I is arranged in a groove at one end of the central protection cylinder 2 connected with the sleeve 3; a second O-shaped sealing ring 4 is arranged in a groove at one end of the sleeve 3 connected with the zero-node wafer 103; the end, provided with the external thread, of the sleeve 3 is in butt joint with the end, provided with the internal thread, of the central protection cylinder 2, and then the O-shaped sealing ring I and the O-shaped sealing ring II are tightly pressed, so that liquid is prevented from entering the piezoelectric ceramic element 101 of the ultrasonic transducer 1 from the joint of the central protection cylinder 2 and the sleeve 3 and the joint of the sleeve 3 and the zero-node wafer 103, and the electrode wire 6 penetrates out of the waterproof joint 5 on the central protection cylinder 2. And heat-conducting silicone grease is poured into the central casing 2 and the sleeve 3, so that heat generated by the piezoelectric ceramic element 101 when the ultrasonic transducer 1 works is led out, and is taken away through a liquid medium.
In fig. 2, the ultrasonic transducer 1 is provided with four tool tips 102, a zero node wafer 103 is provided in the middle of the tool tips 102, a piezoelectric ceramic element 101 is provided at one end commonly connected to the four tool tips 102, and the electrode wire 6 is connected to the piezoelectric ceramic element 101.
In fig. 3 and 4, an internal thread screw and a groove for placing an O-shaped sealing ring are arranged at one end of the central protective cylinder 2 connected with the sleeve 3.
In fig. 5 and 6, an external screw thread is arranged at one end of the sleeve 3 connected with the central protective cylinder 2, and a groove for placing an O-shaped sealing ring is arranged at one end of the sleeve 3 connected with the zero-node wafer 103.
Claims (7)
1. An ultrasonic transducer sealing device, characterized in that: the center protective cylinder comprises a center protective cylinder (2), wherein the center protective cylinder (2) is of a cross-shaped cylindrical structure and is formed by penetrating through the middle parts of a horizontal cylinder and a vertical cylinder, the center protective cylinder (2) is provided with four cylinder openings, the four cylinder openings of the center protective cylinder (2) are respectively and hermetically connected with a sleeve (3), the four cylinder openings of the center protective cylinder (2) are respectively and hermetically connected with one cylinder opening at one end of the sleeve (3), and a sealing ring II (4) which is used for being in matched and hermetically connected with a zero-node wafer (103) on a tool head (102) is arranged at the other cylinder opening of each sleeve (3).
2. The ultrasonic transducer sealing device according to claim 1, wherein: the inner walls of the cylinder openings at the two ends of the horizontal cylinder and the cylinder openings at the two ends of the vertical cylinder are respectively provided with a section of internal thread, the inner walls of the horizontal cylinder opening and the vertical cylinder opening at the inner ends of the internal thread sections are provided with a circle of flange, the flange is provided with a first groove, and a first sealing ring is arranged at the first groove; the outer wall of a barrel opening at one end of the sleeve (3) is provided with an external thread connected with the horizontal barrel opening of the central protective barrel and the internal thread of the vertical barrel opening, the barrel opening at one end of the sleeve (3) is abutted to the first sealing ring, the inner wall of the barrel opening at the other end of the sleeve (3) is provided with a circle of bulge, the inner end of the bulge is provided with a second groove, and the second sealing ring (4) is arranged at the second groove.
3. The ultrasonic transducer sealing device according to claim 1, wherein: and heat-conducting silicone grease is filled in the central protective cylinder (2) and the sleeve (3) or a heat-conducting agent is filled in the central protective cylinder (2).
4. The ultrasonic transducer sealing device according to claim 1, wherein: the first sealing ring and the second sealing ring (4) are both O-shaped sealing rings.
5. The ultrasonic transducer sealing device according to claim 1, wherein: and a waterproof joint (5) used for being matched with the leading-out of the electrode wire (6) is arranged on the central pile casing (2).
6. The ultrasonic transducer sealing device according to claim 1, wherein: the central protective cylinder (2) and the sleeve (3) are made of metal materials.
7. An ultrasonic transducer sealing device, characterized in that: the device comprises a central protective cylinder (2), wherein a waterproof joint (5) used for being matched with an electrode wire (6) to be led out is arranged on the central protective cylinder (2); the central protective cylinder (2) is of a cross-shaped cylindrical structure and is formed by penetrating the middle parts of a horizontal cylinder and a vertical cylinder, the inner walls of cylinder openings at two ends of the horizontal cylinder and the inner walls of cylinder openings at two ends of the vertical cylinder are respectively provided with a section of internal thread, the inner walls of the horizontal cylinder and the vertical cylinder at the inner ends of the internal thread sections are provided with a circle of flange, a first groove is arranged on the flange, and a first sealing ring is arranged at the first groove;
the outer wall of a cylinder opening at one end of each sleeve (3) is provided with an external thread which is connected with the internal thread of a horizontal cylinder opening and a vertical cylinder opening of the central protection cylinder, the inner wall of a cylinder opening at the other end of each sleeve (3) is provided with a circle of bulge, the inner end of each bulge is provided with a second groove, and a second sealing ring (4) is arranged at the second groove;
the external threads of the cylinder openings at one ends of the four sleeves (3) are respectively in threaded connection with the horizontal cylinder opening and the vertical cylinder opening of the central protective cylinder (2), the cylinder openings at one ends of the sleeves (3) are abutted to the first sealing ring, and the cylinder openings at the other ends of the sleeves (3) are in sealed connection with the zero-node wafer (103) on the tool head (102) through the second sealing ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922230254.3U CN211515079U (en) | 2019-12-13 | 2019-12-13 | Sealing device for ultrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922230254.3U CN211515079U (en) | 2019-12-13 | 2019-12-13 | Sealing device for ultrasonic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211515079U true CN211515079U (en) | 2020-09-18 |
Family
ID=72445335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922230254.3U Active CN211515079U (en) | 2019-12-13 | 2019-12-13 | Sealing device for ultrasonic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211515079U (en) |
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2019
- 2019-12-13 CN CN201922230254.3U patent/CN211515079U/en active Active
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