CN213688505U - Transducer of ultrasonic flowmeter - Google Patents
Transducer of ultrasonic flowmeter Download PDFInfo
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- CN213688505U CN213688505U CN202020549771.7U CN202020549771U CN213688505U CN 213688505 U CN213688505 U CN 213688505U CN 202020549771 U CN202020549771 U CN 202020549771U CN 213688505 U CN213688505 U CN 213688505U
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- cover plate
- metal pipe
- pipe body
- side wall
- fixedly connected
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Abstract
The utility model provides an energy converter of ultrasonic flowmeter, including metal pipe body, installation apron and ultrasonic transducer, wherein, ultrasonic transducer includes piezoceramics and electric level, and one side of piezoceramics is fixedly connected with coil spring, and the installation apron is seted up the electric potential perforation that corresponds with coil spring, and the both sides of piezoceramics all cover and have the spraying plating gold layer; one end of the electrode is fixedly connected with a lug plate, and the mounting cover plate is provided with a plurality of lug plate clamping holes corresponding to the lug plate; the electrode is positioned in a groove formed in the side wall of the metal tube body; the mounting cover plate is in elastic contact with the helical spring, and a dismounting mechanism which enables the ultrasonic transducer to be portable and dismounted is arranged between the mounting cover plate and the metal pipe body. The utility model discloses convenient and fast has avoided the untight condition of metal pipe body and transducer combination.
Description
Technical Field
The utility model relates to a measure technical field, specifically be an ultrasonic flowmeter's transducer.
Background
Sealing and contacting of ultrasonic flow meters is a technically demanding and costly process. The housing opening must be sealed with a filament-woven sealing element consisting of the best sealing material. Due to the increased use of plastic materials, in which case it is generally not possible to rule out manufacturing tolerances, leakage may easily result under certain operating conditions due to the small dimensions of the sealing element. Even with the choice of high quality sealing materials and time consuming manual handling, it is still not possible to eliminate leaks.
In the prior art, the ultrasonic flowmeter is not tightly combined with the transducer due to the fact that the position of the transducer is fixed, and the transducer cannot be conveniently detached. To this end, a transducer for an ultrasonic flow meter is proposed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a transducer of an ultrasonic flow meter.
The utility model provides a its technical problem adopt following technical scheme to realize: an energy converter of an ultrasonic flowmeter comprises a metal pipe body, an installation cover plate and an ultrasonic transducer, wherein the ultrasonic transducer comprises piezoelectric ceramics and an electrode, one side of the piezoelectric ceramics is fixedly connected with a spiral spring, the installation cover plate is provided with a potential through hole corresponding to the spiral spring, and both sides of the piezoelectric ceramics are covered with a spraying gold layer; one end of the electrode is fixedly connected with a lug plate, and the mounting cover plate is provided with a plurality of lug plate clamping holes corresponding to the lug plate; the electrode is positioned in a groove formed in the side wall of the metal tube body; the mounting cover plate is in elastic contact with the helical spring, and a dismounting mechanism which enables the ultrasonic transducer to be portable and dismounted is arranged between the mounting cover plate and the metal pipe body.
Through the technical scheme, the installation cover plate is in elastic contact with the spiral spring, so that the installation cover plate is firmly in contact with the ultrasonic transducer; the disassembly mechanism is beneficial to the portable disassembly of the ultrasonic transducer.
As for the transducer of the ultrasonic flowmeter of the present invention, preferably, the detaching mechanism includes an inner cavity formed in a side wall of the metal pipe; the side wall of the inner cavity is fixedly connected with one end of a plurality of supporting slide rods, the other end of each supporting slide rod is connected in an annular sliding groove formed in the lower side of a first bevel gear in a sliding mode, the first bevel gear is sleeved on a damping screw in a sliding mode, the contact part of the damping screw and the first bevel gear is of a quadrangular prism structure, the upper end of the damping screw penetrates through the side wall of the inner cavity and extends to the outside of the metal pipe body, a nut is sleeved on the side wall of the inner cavity in a threaded mode, and the nut is; a second bevel gear is meshed with the first bevel gear, an elastic telescopic rotating shaft is fixedly sleeved on the second bevel gear, one end of the elastic telescopic rotating shaft rotatably penetrates through the bearing and is fixedly connected with a first extrusion part, and the bearing is installed on the side wall of the inner cavity; the installation cover plate is fixedly connected with a wedge block corresponding to the first extrusion piece, and the first extrusion piece comprises a sliding part and a supporting part; the side wall of the metal pipe body is provided with a strip-shaped through hole corresponding to the wedge block so that the wedge block enters the inner cavity.
Through the technical scheme, when the installation is finished, the sliding part is positioned at the upper part of the supporting part, the surface of the sliding part is smooth, the surface of the supporting part is smooth, and the joint of the sliding part and the supporting part is smooth; when needs are dismantled, the damping screw rotates, bevel gear rotates, the damping screw reciprocates this moment, but because bevel gear slides in supporting the slide bar, therefore bevel gear only rotates and does not take place to remove, thereby drive bevel gear two rotations, and then when driving the rotatory half-turn of extruded article, the supporting part is located the upper portion of sliding part this moment, when upwards pulling the installation apron, the sliding part that the voussoir can extrude, let the sliding part remove left under the effect of voussoir, thereby make the voussoir break away from the inner chamber gradually, extract the installation apron, and is convenient and fast, the untight condition of metal pipe body and transducer combination has been avoided.
As right the transducer of ultrasonic flowmeter, preferably, the flexible pivot of elasticity is spring, sleeve and inserted bar constitution, the inserted bar passes through spring elasticity is pegged graft in the sleeve.
Through foretell technical scheme, comparatively simple realization the scalable of pivot.
As right the transducer of the ultrasonic flowmeter of the present invention, preferably, the side wall of the metal pipe body is fixedly connected with a stop lever corresponding to the damping screw.
Through foretell technical scheme, utilize the size of holding of actual specification, the rotatory radian of control damping screw lets extruded piece rotate near the semicircle.
As to the transducer of the ultrasonic flowmeter of the present invention, preferably, both sides of the electrode are fixedly covered with the acoustic coupling material.
By the technical scheme, the acoustic coupling substance is added, and the measurement precision is improved.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the mounting cover plate is firmly contacted and mounted with the ultrasonic transducer through elastic contact of the mounting cover plate and the spiral spring; the disassembly mechanism is beneficial to the portable disassembly of the ultrasonic transducer.
2. When the installation is finished, the sliding part is positioned at the upper part of the supporting part, the surface of the sliding part is smooth, the surface of the supporting part is smooth, and the joint of the sliding part and the supporting part is smooth; when needs are dismantled, the damping screw rotates, bevel gear rotates, the damping screw reciprocates this moment, but because bevel gear slides in supporting the slide bar, therefore bevel gear only removes and does not take place the rotation, thereby drive bevel gear two and remove, and then when driving the rotatory half-turn of extruded article, the supporting part is located the upper portion of sliding part this moment, when upwards pulling the installation apron, the sliding part that the voussoir can extrude, let the sliding part remove left under the effect of flexible pivot, thereby make the voussoir break away from the inner chamber gradually, extract the installation apron, high convenience and high speed, the untight condition of metal pipe body and transducer combination has been avoided.
3. The telescopic rotation shaft is simply realized.
4. Controlling the rotating radian of the damping screw by using the grasped size of the actual specification to enable the first extrusion piece to rotate around a half circle; and an acoustic coupling substance is added, so that the measurement precision is improved.
Drawings
FIG. 1 is a schematic diagram of a transducer according to the prior art;
fig. 2 is a schematic structural diagram of an ultrasonic transducer according to the present invention;
fig. 3 is a schematic structural view of the mounting cover plate provided by the present invention;
fig. 4 is a schematic structural view of the detaching mechanism of the present invention;
FIG. 5 is an enlarged schematic view of the detachment mechanism of FIG. 4;
fig. 6 is a schematic view of the shape of the sliding insertion part of the damping screw and the nut of the present invention;
fig. 7 is a schematic view of the extrusion structure according to the present invention.
In the figure:
the ultrasonic transducer comprises a metal tube body 1, an ultrasonic transducer 2, a lug plate clamping hole 3, an installation cover plate 4 and a dismounting mechanism 5;
a lug 21, a piezoelectric ceramic 22, a spiral spring 23, a gold plating layer 24, an electric stage 25 and an acoustic coupling material 26; a potential via hole 41; a damping screw 51, a nut 52, a bevel gear I53, a supporting slide rod 54, a bevel gear II 55, an elastic telescopic rotating shaft 56, a bearing 57, an extrusion piece I58 and a wedge block 59; a sliding portion 58a, and a support portion 59 b.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1, the present invention provides an ultrasonic transducer of an ultrasonic flowmeter, including a metal tube 1, a mounting cover plate 4 and an ultrasonic transducer 2, wherein the ultrasonic transducer 2 includes a piezoelectric ceramic 22 and an electrode 25, as shown in fig. 3, one side of the piezoelectric ceramic 22 is fixedly connected with a coil spring 23.
As shown in fig. 2, the mounting cover plate 4 is provided with a potential through hole 41 corresponding to the coil spring 23, and both sides of the piezoelectric ceramic 22 are covered with gold plating layers 24; one end of the electrode 25 is fixedly connected with a lug plate 21, and the mounting cover plate 4 is provided with a plurality of lug plate clamping holes 3 corresponding to the lug plate 21; the electrode 25 is positioned in a groove formed in the side wall of the metal tube body 1; the mounting cover plate 4 is in elastic contact with the coil spring 23, and a detaching mechanism 5 for facilitating the portable detachment of the ultrasonic transducer 2 is provided between the mounting cover plate 4 and the metal pipe body 1. Thus, the mounting cover plate 4 is firmly contacted and mounted with the ultrasonic transducer 2 through the elastic contact between the mounting cover plate 4 and the spiral spring 23; the detachment mechanism 5 facilitates portable detachment of the ultrasonic transducer 2.
As shown in fig. 4 and 5, as an embodiment of the present invention, the detaching mechanism 5 includes an inner cavity formed in a side wall of the metal pipe body 1; one end of a plurality of supporting slide rods 54 is fixedly connected to the side wall of the inner cavity, the other end of each supporting slide rod 54 is slidably connected into an annular sliding groove formed in the lower side of a first bevel gear 53, and the first bevel gear 53 is slidably sleeved on a damping screw 51.
As shown in fig. 6, the contact portion between the damping screw 51 and the first bevel gear 53 is a quadrangular prism structure, the upper end of the damping screw 51 penetrates through the sidewall of the inner cavity and extends to the outside of the metal pipe body 1, and the nut 52 is sleeved on the upper end of the damping screw, and the nut 52 is fixedly connected with the sidewall of the metal pipe body 1; the first bevel gear 53 is meshed with a second bevel gear 55, the second bevel gear 55 is fixedly sleeved with an elastic telescopic rotating shaft 56, one end of the elastic telescopic rotating shaft 56 rotatably penetrates through a bearing 57 and is fixedly connected with a first extrusion part 58, and the bearing 57 is installed on the side wall of the inner cavity.
As shown in fig. 7, the mounting cover 4 is fixedly connected with a wedge 59 corresponding to the first extrusion 58, and the first extrusion 58 comprises a sliding part 58a and a supporting part 59 b; the side wall of the metal pipe body 1 is provided with a strip-shaped through hole corresponding to the wedge block 59 so that the wedge block 59 enters the inner cavity. When the installation is completed, the sliding part 58a is positioned at the upper part of the supporting part 59b, the surface of the sliding part 58a is smooth, the surface of the supporting part 59b is smooth, and the joint of the sliding part 58a and the supporting part 59b is smooth. When the mounting cover plate 4 needs to be detached, the damping screw 51 is rotated, the bevel gear I53 rotates, at the moment, the damping screw 51 moves up and down, but the bevel gear I53 slides in the supporting slide rod 54, so that the bevel gear I53 only rotates but does not move, the bevel gear II 55 is driven to rotate, and the extrusion part I58 is driven to rotate for a half circle, at the moment, the supporting part 59b is positioned at the upper part of the sliding part 58a, when the mounting cover plate 4 is pulled upwards, the sliding part 58a capable of being extruded by the wedge 59 moves leftwards under the action of the wedge 59, so that the wedge 59 gradually separates from the inner cavity, the mounting cover plate 4 is pulled out, the mounting cover plate is convenient and quick, and the situation that the metal pipe body 1 and the transducer.
As an embodiment of the present invention, the elastic telescopic shaft 56 is composed of a spring, a sleeve and an insertion rod, and the insertion rod is inserted into the sleeve through the spring. Therefore, the telescopic rotation shaft is simply realized.
As an embodiment of the present invention, the side wall of the metal pipe 1 is fixedly connected with a stop lever corresponding to the damping screw 51. Thus, the rotation arc of the damping screw 51 is controlled by the actual specification, and the first pressing member 58 is rotated around a half turn.
In one embodiment of the present invention, the electrodes 25 are fixedly covered with an acoustic coupling material 26. In this way, the acoustic coupling substance 26 is added, improving the measurement accuracy.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Although embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (4)
1. An energy converter of an ultrasonic flowmeter comprises a metal pipe body (1), an installation cover plate (4) and an ultrasonic transducer (2), wherein the ultrasonic transducer (2) comprises piezoelectric ceramics (22) and an electrode (25), one side of the piezoelectric ceramics (22) is fixedly connected with a spiral spring (23), the installation cover plate (4) is provided with a potential through hole (41) corresponding to the spiral spring (23), and both sides of the piezoelectric ceramics (22) are covered with a spraying gold layer (24); one end of the electrode (25) is fixedly connected with a lug plate (21), and the mounting cover plate (4) is provided with a plurality of lug plate clamping holes (3) corresponding to the lug plate (21); the electrode (25) is positioned in a groove formed in the side wall of the metal tube body (1); the method is characterized in that: the mounting cover plate (4) is in elastic contact with the spiral spring (23), and a dismounting mechanism (5) which enables the ultrasonic transducer (2) to be portable and dismounted is arranged between the mounting cover plate (4) and the metal pipe body (1);
the dismounting mechanism (5) comprises an inner cavity formed in the side wall of the metal pipe body (1); the side wall of the inner cavity is fixedly connected with one ends of a plurality of supporting sliding rods (54), the other ends of the supporting sliding rods (54) are slidably connected into an annular sliding groove formed in the lower side of a first bevel gear (53), the first bevel gear (53) is slidably sleeved on a damping screw (51), the contact part of the damping screw (51) and the first bevel gear (53) is of a quadrangular prism structure, the upper end of the damping screw (51) penetrates through the side wall of the inner cavity and extends to the outside of the metal pipe body (1), a nut (52) is sleeved on the damping screw in a threaded manner, and the nut (52) is fixedly connected with the side wall of the metal pipe body (1); the first bevel gear (53) is meshed with a second bevel gear (55), the second bevel gear (55) is fixedly sleeved with an elastic telescopic rotating shaft (56), one end of the elastic telescopic rotating shaft (56) rotatably penetrates through a bearing (57) and is fixedly connected with a first extrusion part (58), and the bearing (57) is installed on the side wall of the inner cavity; the mounting cover plate (4) is fixedly connected with a wedge block (59) corresponding to the first extrusion piece (58), and the first extrusion piece (58) comprises a sliding part (58a) and a supporting part (59 b); the side wall of the metal pipe body (1) is provided with a strip-shaped through hole corresponding to the wedge block (59) so that the wedge block (59) enters the inner cavity.
2. An ultrasonic flow meter transducer according to claim 1, wherein: the elastic telescopic rotating shaft (56) consists of a spring, a sleeve and an inserted bar, and the inserted bar is elastically inserted into the sleeve through the spring.
3. An ultrasonic flow meter transducer according to claim 1, wherein: the side wall of the metal pipe body (1) is fixedly connected with a stop lever corresponding to the damping screw (51).
4. An ultrasonic flow meter transducer according to claim 1, wherein: the electrodes (25) are fixedly covered with acoustic coupling substances (26) on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020549771.7U CN213688505U (en) | 2020-04-15 | 2020-04-15 | Transducer of ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020549771.7U CN213688505U (en) | 2020-04-15 | 2020-04-15 | Transducer of ultrasonic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213688505U true CN213688505U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020549771.7U Active CN213688505U (en) | 2020-04-15 | 2020-04-15 | Transducer of ultrasonic flowmeter |
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| CN (1) | CN213688505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111927A (en) * | 2021-11-23 | 2022-03-01 | 成都汇通西电电子有限公司 | High-frequency ultrasonic sensor suitable for gas flow detection |
-
2020
- 2020-04-15 CN CN202020549771.7U patent/CN213688505U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111927A (en) * | 2021-11-23 | 2022-03-01 | 成都汇通西电电子有限公司 | High-frequency ultrasonic sensor suitable for gas flow detection |
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