CN216159969U

CN216159969U - Sensor installation device for flowmeter

Info

Publication number: CN216159969U
Application number: CN202121361185.0U
Authority: CN
Inventors: 曹强
Original assignee: Jiangsu Fangyang Electromechanical Equipment Co ltd
Current assignee: Jiangsu Fangyang Electromechanical Equipment Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-04-01
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a sensor mounting device for a flowmeter, which comprises a pipeline body, wherein the upper surface of the pipeline body is fixedly connected with two groups of supporting and fixing plates, the number of the supporting and fixing plates is two, the upper ends of opposite surfaces of the two groups of supporting and fixing plates are connected with a transverse connecting plate, the middle end of the transverse connecting plate is fixedly provided with a threaded sleeve in a penetrating way, the inner side of the threaded sleeve is rotatably connected with a screw rod, the top end of the screw rod, far away from the upper surface of the transverse connecting plate, is provided with a turntable, the bottom end of the screw rod, far away from the lower surface of the transverse connecting plate, is connected with a rotary joint, the screw rod is movably connected with the rotary joint, the bottom end of the rotary joint is fixedly connected with a pressing plate, and the upper surface of the pressing plate, close to the lower surface of the supporting and fixing plates, is connected with a telescopic loop bar; this sensor installation device for flowmeter lets this mounting structure provide the convenience of ultrasonic flow sensor dismouting under the stability of assurance ultrasonic flow sensor mounted position through setting up screw rod, rotary joint, clamp plate, flexible loop bar and sucking disc.

Description

Sensor installation device for flowmeter

Technical Field

The utility model relates to the technical field of flowmeters, in particular to a sensor mounting device for a flowmeter.

Background

Flow meters, meters that indicate the measured flow rate and/or the total amount of fluid that is flowing in a selected time interval. Simply a meter for measuring the flow of fluid in a pipe or open channel. The flow meters are classified into differential pressure type flow meters, rotor flow meters, throttle type flow meters, slit flow meters, volumetric flow meters, electromagnetic flow meters, ultrasonic flow meters, and the like. Classifying according to media: liquid flow meters and gas flow meters. The ultrasonic flow sensor adopted by the existing flowmeter is generally fixedly connected with the surface wall of the pipeline by using an adaptive clamp.

The prior art has the following defects or problems:

1. the existing mode of fixing the ultrasonic flow sensor by the hoop is adopted, the hoop needs to adopt a specific specification and size to connect the ultrasonic flow sensor with the pipe wall, the application range is low, and the installation process of the hoop fastening mode is complex and inconvenient to disassemble and assemble;

2. in addition, the existing installation device for the ultrasonic flow sensor has the advantages that the installation position of the common sensor is mostly in an external exposed mode, the accuracy of ultrasonic measurement is easily influenced by the sensor due to the touch of foreign matters and the interference of dust, and the service life of the sensor is influenced due to the poor protection performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sensor mounting device for a flowmeter, aiming at the defects in the prior art and solving the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a sensor mounting device for a flowmeter comprises a pipeline body, wherein a supporting and fixing plate is fixedly connected to the upper surface of the pipeline body, the number of the supporting and fixing plates is two, the upper ends of the opposite surfaces of the two groups of supporting and fixing plates are connected with a transverse connecting plate, the middle end of the transverse connecting plate is fixedly provided with a threaded sleeve in a penetrating way, the inner side of the threaded sleeve is rotatably connected with a screw rod, the upper surface of the top end of the screw rod, which is far away from the transverse connecting plate, is provided with a turntable, the lower surface of the bottom end of the screw rod, which is far away from the transverse connecting plate, is connected with a rotary joint, the screw rod is movably connected with the rotary joint, the bottom end of the rotary joint is fixedly connected with a pressing plate, the upper surface of clamp plate is close to the lower surface that supports the fixed plate and is connected with flexible loop bar, the lower surface mounting of clamp plate has the sucking disc, the upper surface that the outside that supports the fixed plate is close to the pipeline body is provided with the protection casing.

As the preferred technical scheme of the utility model, the front surface of the protective cover is embedded and penetrated with an acrylic glass plate.

According to the preferable technical scheme, the two sides of the protective cover are provided with the dustproof screen plates through bolts, the number of the dustproof screen plates is two, the two sides of the protective cover are provided with the ventilation grooves in a penetrating mode, and the ventilation grooves are located on the surfaces of the two groups of the dustproof screen plates on the opposite sides.

As a preferred technical scheme of the utility model, the number of the ventilation grooves is a plurality of groups, the ventilation grooves are symmetrically distributed on two sides of the protective cover, and the ventilation grooves which are symmetrically distributed are in an outer eight shape.

According to the preferable technical scheme, the side surfaces, close to the supporting and fixing plates, of two sides of the inner surface of the protective cover are provided with limiting sliding plates, the side surfaces, close to the supporting and fixing plates, of the outer sides of the limiting sliding plates are provided with sliding grooves, the outer width dimension of the limiting sliding plates is matched with the inner width dimension of the sliding grooves, the limiting sliding plates are movably inserted into the sliding grooves, the distance dimension between the two groups of supporting and fixing plates is matched with the inner width dimension of the protective cover, and the height dimension of the protective cover is larger than the height dimension of the supporting and fixing plates.

According to the preferable technical scheme, the top end of the inner surface of the protective cover, close to the upper surface of the supporting and fixing plate, is provided with the positioning column, the upper surface of the supporting and fixing plate is provided with the positioning groove matched with the positioning column in diameter, and the positioning column is in clearance fit with the positioning groove.

As the preferable technical scheme of the utility model, the number of the suckers is four, and the four groups of suckers are equidistantly distributed at the corners of the lower surface of the pressing plate.

Compared with the prior art, the utility model provides a sensor mounting device for a flowmeter, which has the following beneficial effects:

1. the sensor installation device for the flowmeter is characterized in that an ultrasonic flow wave sensor can be positioned on the upper surface of a pipeline body and arranged below a pressure plate by arranging a screw rod, a rotary joint, the pressure plate, a telescopic sleeve rod and a sucker, the rotary joint rotates a rotary table, the screw rod is guided downwards by a thread sleeve to enable the screw rod to vertically descend, the telescopic sleeve rod is matched to stably and longitudinally stretch the pressure plate, the axial movement force of the screw rod can be converted into a linear driving force by the rotary joint, the driving force can be applied to the middle end of the pressure plate, the sucker on the lower surface of the pressure plate can adsorb and abut against the ultrasonic flow sensor, so that the ultrasonic flow sensor can be tightly attached to the upper surface of the pipeline body, the stable measurement effect of the ultrasonic flow sensor is achieved, and the installation structure is convenient for the disassembly and assembly of the ultrasonic flow sensor, the operation is simple and practical;

2. the sensor mounting device for the flowmeter is characterized in that a protective cover, an acrylic glass plate, a dustproof screen plate, ventilation grooves, a limiting sliding plate and positioning columns are arranged, under the matching of the dustproof screen plate and the ventilation grooves on the protective cover, the ventilation grooves enable an ultrasonic flow sensor on the inner side of the protective cover to achieve the ventilation effect of air, the ventilation grooves are symmetrically distributed and are in an outer eight shape, the infiltration of water can be avoided, the dustproof screen plate can provide dust separation treatment for circulating air at the ventilation grooves, in addition, the working state of the ultrasonic flow sensor in the protective cover can be conveniently checked by utilizing the acrylic glass plate, then the protective cover can be stably sleeved on the outer side of a supporting and fixing plate through the matching of the limiting sliding plate and the sliding grooves in a movable inserting manner, and under the clearance fit of the positioning columns and the positioning grooves, the protective cover can be stably sleeved on the outer side of the supporting and fixing plate, so that the ultrasonic flow sensor mounted on the inner side of the supporting and fixing plate can be isolated and protected in a wrapping manner, its structural design is comparatively reasonable, and the protective effect has more advantages.

Drawings

FIG. 1 is an overall plan view of the present invention;

FIG. 2 is an exploded view of FIG. 1 in accordance with the present invention;

FIG. 3 is a top view of the supporting and fixing plate and the transverse connecting plate according to the present invention;

FIG. 4 is a plan perspective view of the shield of the present invention;

fig. 5 is a bottom view of the shield of the present invention.

In the figure: 1. a pipe body; 2. a support fixing plate; 3. a transverse connecting plate; 4. a threaded sleeve; 5. a screw; 6. a turntable; 7. a rotary joint; 8. pressing a plate; 9. a telescopic loop bar; 10. a suction cup; 11. a protective cover; 12. an acrylic glass plate; 13. a dustproof screen plate; 14. a ventilation slot; 15. a limiting sliding plate; 16. a chute; 17. and a positioning column.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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 given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, in this embodiment: the utility model provides a sensor installation device for flowmeter, including pipeline body 1, pipeline body 1's last fixed surface is connected with supporting plate 2, supporting plate 2's quantity is two sets of, the upper end of 2 opposites of two sets of supporting plate is connected with transverse connection board 3, the fixed running through of middle-end of transverse connection board 3 installs thread bush 4, the inboard rotation of thread bush 4 is connected with screw rod 5, the last surface mounting who keeps away from transverse connection board 3 on the top of screw rod 5 has carousel 6, the lower surface that transverse connection board 3 was kept away from to screw rod 5's bottom is connected with rotary joint 7, screw rod 5 and rotary joint 7 swing joint, the bottom fixedly connected with clamp plate 8 of rotary joint 7, the lower surface that the upper surface of clamp plate 8 is close to supporting plate 2 is connected with flexible loop bar 9, the lower surface mounting of clamp plate 8 has sucking disc 10, the upper surface that the outside of supporting plate 2 is close to pipeline body 1 is provided with protection casing 11.

In this embodiment, an acrylic glass plate 12 is embedded through the front surface of the protective cover 11; the acrylic glass plate 12 can facilitate checking the working state of the ultrasonic flow sensor in the protective cover 11. The two side surfaces of the protective cover 11 are provided with two groups of dustproof mesh plates 13 by bolts, the two side surfaces of the protective cover 11 are provided with ventilation slots 14 in a penetrating way, and the ventilation slots 14 are positioned on the surfaces of the opposite sides of the two groups of dustproof mesh plates 13; the ventilation slot 14 can make the ultrasonic flow sensor inside the protection cover 11 have ventilation effect of air, and the dust-proof screen 13 can provide dust-proof treatment for the ventilation air at the ventilation slot 14. The number of the ventilation slots 14 is a plurality of groups, the ventilation slots 14 are symmetrically distributed on two sides of the protective cover 11, and the ventilation slots 14 which are symmetrically distributed are in an outer eight shape; the ventilation grooves 14 are symmetrically distributed in an outer eight shape, so that water infiltration can be avoided. The side surfaces of two sides of the inner surface of the protective cover 11, which are close to the supporting and fixing plates 2, are provided with limiting sliding plates 15, the side surfaces of the outer sides of the limiting sliding plates 15, which are close to the supporting and fixing plates 2, are provided with sliding grooves 16, the outer width dimension of the limiting sliding plates 15 is matched with the inner width dimension of the sliding grooves 16, the limiting sliding plates 15 are movably inserted into the sliding grooves 16, the space dimension of the two groups of supporting and fixing plates 2 is matched with the inner width dimension of the protective cover 11, and the height dimension of the protective cover 11 is larger than the height dimension of the supporting and fixing plates 2; under the cooperation of pegging graft by spacing slide 15 and spout 16 activity, can let its protection casing 11 stabilize the suit in the outside of supporting fixed plate 2 to the ultrasonic flow sensor who provides the inboard installation of supporting fixed plate 2 can the isolation protection of parcel nature, and because of the height dimension of protection casing 11 is greater than the height dimension of supporting fixed plate 2, can let its protection casing 11 reserve the interval that holds of screw rod 5. A positioning column 17 is arranged at the top end of the inner surface of the protective cover 11 close to the upper surface of the supporting and fixing plate 2, a positioning groove matched with the diameter of the positioning column 17 is formed in the upper surface of the supporting and fixing plate 2, and the positioning column 17 is in clearance fit with the positioning groove; under the clearance fit of the positioning column 17 and the positioning groove, the protective cover 11 and the supporting and fixing plate 2 are not easy to separate and are convenient to take down. The number of the suckers 10 is four, and the four groups of suckers 10 are equidistantly distributed at the corner of the lower surface of the pressing plate 8; convert the axial power of motion of its screw rod 5 into the straight line drive force by rotary joint 7, then the drive force can be exerted in the middle-end of clamp plate 8 and adsorb and the butt its ultrasonic flow sensor by the sucking disc 10 of clamp plate 8 lower surface to can let its ultrasonic flow sensor closely laminate with the upper surface of pipeline body 1.

The working principle and the using process of the utility model are as follows: firstly, the ultrasonic flow wave sensor is arranged on the upper surface of the pipeline body 1 and below the pressure plate 8 due to the space provided between the supporting and fixing plates 2, the turnplate 6 is rotated, the screw 5 is guided downwards by the screw sleeve 4 for screw thread positioning, the screw 5 is longitudinally descended, the axial movement force of the screw rod 5 can be converted into a linear driving force by the rotary joint 7 under the stable longitudinal stretching of the telescopic loop bar 9 to the press plate 8, a pushing force can be applied to the middle end of the pressure plate 8 and the suction cup 10 on the lower surface of the pressure plate 8 sucks and abuts the ultrasonic flow sensor, so that the ultrasonic flow sensor can be tightly attached to the upper surface of the pipeline body 1 to achieve the stable measuring effect of the ultrasonic flow sensor, furthermore, the mounting structure is convenient for the use of the ultrasonic flow sensor in the dismounting and mounting process, and the operation is simple and practical; then, under the cooperation of the dustproof mesh plate 13 and the ventilation slot 14 on the protection cover 11, the ventilation slot 14 allows the ultrasonic flow sensor inside the protection cover 11 to achieve the ventilation effect of air, and the ventilation slot 14 is symmetrically distributed in an outer eight shape, so as to avoid water infiltration, the dustproof mesh plate 13 can provide the dust separation treatment of the ventilation slot 14 for ventilation air, in addition, the acrylic glass plate 12 can be used to conveniently check the working state of the ultrasonic flow sensor inside the protection cover 11, then, the limit sliding plate 15 is movably inserted into the sliding slot 16 in cooperation, and the positioning column 17 is in clearance fit with the positioning slot, so that the protection cover 11 can be stably sleeved outside the support fixing plate 2, so as to provide the isolation protection of the ultrasonic flow sensor mounted inside the support fixing plate 2 in a wrapping manner, the structural design is reasonable, and the protection effect is more advantageous.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sensor mounting device for a flowmeter, characterized in that: comprises a pipeline body (1), wherein the upper surface of the pipeline body (1) is fixedly connected with supporting and fixing plates (2), the number of the supporting and fixing plates (2) is two, two groups of the upper ends of the opposite surfaces of the supporting and fixing plates (2) are connected with transverse connecting plates (3), the middle ends of the transverse connecting plates (3) are fixedly provided with thread sleeves (4) in a penetrating way, the inner sides of the thread sleeves (4) are rotatably connected with screw rods (5), the top ends of the screw rods (5) are far away from the upper surface of the transverse connecting plates (3) and are provided with turntables (6), the bottom ends of the screw rods (5) are far away from the lower surface of the transverse connecting plates (3) and are connected with rotary joints (7), the screw rods (5) are movably connected with the rotary joints (7), the bottom ends of the rotary joints (7) are fixedly connected with pressing plates (8), the lower surfaces of the pressing plates (8) close to the supporting and fixing plates (2) are connected with telescopic sleeve rods (9), the lower surface mounting of clamp plate (8) has sucking disc (10), the outside of supporting and fixing plate (2) is provided with protection casing (11) near the upper surface of pipeline body (1).

2. A sensor mounting apparatus for a flowmeter as set forth in claim 1 wherein: an acrylic glass plate (12) is embedded and penetrated on the front surface of the protective cover (11).

3. A sensor mounting apparatus for a flowmeter as set forth in claim 1 wherein: dustproof otter board (13) are installed to the both sides surface bolt of protection casing (11), the quantity of dustproof otter board (13) is two sets of, the both sides surface of protection casing (11) is run through and has been seted up ventilation groove (14), ventilation groove (14) are located two sets of the surface of the relative one side of dustproof otter board (13).

4. A sensor mounting apparatus for a flowmeter as set forth in claim 3 wherein: the quantity of ventilation groove (14) is a plurality of groups, a plurality of groups ventilation groove (14) symmetric distribution is in the both sides of protection casing (11), symmetric distribution ventilation groove (14) are outer eight forms.

5. A sensor mounting apparatus for a flowmeter as set forth in claim 1 wherein: the utility model discloses a safety protection device, including protection casing (11), the both sides of protection casing (11) internal surface are close to the side surface of support fixed plate (2) and install spacing slide (15), spout (16) have been seted up near the side surface of support fixed plate (2) in the outside of spacing slide (15), the outer width size of spacing slide (15) and the interior width size looks adaptation of spout (16), spacing slide (15) and spout (16) activity are pegged graft, and are two sets of the interval size of support fixed plate (2) and the interior width size looks adaptation of protection casing (11), the height dimension of protection casing (11) is greater than the height dimension of support fixed plate (2).

6. A sensor mounting apparatus for a flowmeter as set forth in claim 1 wherein: the top of protection casing (11) internal surface is close to the upper surface of supporting and fixing plate (2) and is provided with reference column (17), the constant head tank with reference column (17) diameter looks adaptation is seted up to the upper surface of supporting and fixing plate (2), reference column (17) and constant head tank clearance fit.

7. A sensor mounting apparatus for a flowmeter as set forth in claim 1 wherein: the quantity of sucking discs (10) is four groups, and the four groups of sucking discs (10) are equidistantly distributed at the corners of the lower surface of the pressing plate (8).