CN221006430U

CN221006430U - Doppler ultrasonic flowmeter

Info

Publication number: CN221006430U
Application number: CN202321972382.5U
Authority: CN
Inventors: 陈发香
Original assignee: Jiangsu Baichuang Instrument Group Co ltd
Current assignee: Jiangsu Baichuang Instrument Group Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-05-24
Anticipated expiration: 2033-07-26

Abstract

The utility model belongs to the field of Doppler ultrasonic flow meters, in particular to a Doppler ultrasonic flow meter, which comprises a shell; the bottom end of the shell is fixedly provided with a base, two ends of the top surface of the base are provided with reinforcing devices, and the top end of the shell is provided with a shell; through the structural design of bi-directional threaded rod, second handle, fixture block and mount, and then make this through twisting the second handle, and then make the second handle drive bi-directional threaded rod initiative, and then make two fixture blocks simultaneously to the middle-end removal of bi-directional threaded rod, until the fixture block supports the both sides of flowmeter body tightly, and then accomplish the installation of flowmeter body, in this scheme, two fixture blocks remove towards the middle-end of bi-directional threaded rod in step, further improved the installation rate, be L shape through setting up the shape of fixture block, thereby make the outer end part of fixture block can protect the outer end of flowmeter body, thereby prevent that the flowmeter body drops, further improved device life.

Description

Doppler ultrasonic flowmeter

Technical Field

The utility model relates to the field of Doppler ultrasonic flow meters, in particular to a Doppler ultrasonic flow meter.

Background

The Doppler ultrasonic flowmeter measures the water flow speed by utilizing the Doppler frequency shift physical principle, so the Doppler ultrasonic flowmeter is suitable for measuring fluid containing solid particles or bubbles, is not suitable for measuring purified water, has the application range of natural river channels, artificial river channels, farmland channels, urban sewer, enterprise sewage outlets, sewage treatment plants and the like, is suitable for environments needing to continuously and accurately measure the flow speed and the flow rate, and has the remarkable advantages of convenience in installation and maintenance, high reliability, high precision and the like.

One Chinese published patent with the publication number of CN216206694U discloses an ultrasonic flowmeter, which comprises a conveying pipeline, wherein connecting pieces are arranged at two ends of the conveying pipeline, and a sliding connecting pipe is connected inside the connecting pieces in a sliding manner through a sliding chute; the surface of the sliding connecting pipe is provided with embedded strips which are equidistantly arranged, the inner wall of the sliding connecting pipe is provided with isolating strips at equal intervals, the tail end of each isolating strip is connected with a rubber sealing ring, the inner wall of each rubber sealing ring is provided with a waterproof membrane, and the inside of the filling cavity is filled with filling blocks; the top of the conveying pipeline is provided with a supporting pipe in a penetrating way. The utility model has better waterproof and leak-proof effects under the double protection of the waterproof membrane of the sliding connecting pipe and the rubber sealing ring by arranging the sliding connecting pipe, and the rubber sealing ring has certain buffering elasticity, so that the impact of water on the inner wall of the sliding connecting pipe can be effectively reduced, and the normal service life of the sliding connecting pipe is ensured.

The inventors found in the above patent that there are the following drawbacks: in this scheme, the controller body is integrated into a whole structure, and the dismouting of being inconvenient for, consequently be inconvenient for later stage staff maintenance and change, and this scheme can not consolidate the pipeline that the casing both sides are connected simultaneously, and under the permanent use, the pipeline probably drops between casing, consequently causes inconvenience for the staff.

Accordingly, a doppler ultrasonic flowmeter is proposed for the above problems.

Disclosure of utility model

In order to make up the defects in the prior art, the flowmeter body is single in structure, is inconvenient to assemble and disassemble, and is inconvenient to reinforce the connection between the connecting pipeline and the shell.

The technical scheme adopted for solving the technical problems is as follows: the Doppler ultrasonic flowmeter comprises a shell; the bottom fixed mounting of casing has the base, the both ends of base top surface are equipped with reinforcing apparatus, the top of casing is equipped with the shell, the internally mounted of shell has the flowmeter body, the one end of shell is equipped with the observation window, the middle-end of shell is equipped with installation device, the both sides fixed mounting of the inside bottom of shell has the slide bar.

Preferably, the reinforcement means comprises a connecting frame; the connecting device comprises a shell, and is characterized in that connecting frames are fixedly arranged on two sides of the shell, one end of each connecting frame is fixedly connected with a connecting block, a screw is connected to the middle end of each connecting block in a threaded mode, one end of each screw penetrates through one side of each connecting block to be fixedly connected with a first handle, one side of each screw is connected with a fixing clamp, and a rubber pad is arranged on the inner wall of one side of each fixing clamp.

Preferably, the number of the fixing clips is four, and two fixing clips are symmetrically distributed on two sides of the base.

Preferably, one side of each fixing clip is arc-shaped, and the rubber pad is arranged on the inner wall of one side of the fixing clip in a surrounding mode.

Preferably, the bottom of shell passes through the bolt with the top of casing and can dismantle the connection, the display screen is installed to the upper end of flowmeter body, and the position that the observation window was installed coincides with the position that the display screen of flowmeter body upper end was installed, the surface of slide bar encircles and is provided with the spring.

Preferably, the mounting means comprises a mount; the movable connection inside the shell has the mount, sliding connection between both sides and the slide bar of mount bottom, the middle-end of mount is connected with two-way threaded rod through the bearing rotation, two-way threaded rod's both ends threaded connection has the fixture block, one side activity of two-way threaded rod runs through one side fixedly connected with second handle of mount and shell.

Preferably, the screw thread direction at two ends of the bidirectional threaded rod is opposite, the number of the clamping blocks is two, the clamping blocks are symmetrically distributed about the vertical center line of the fixing frame, the clamping blocks are L-shaped, the flowmeter body is positioned at the middle ends of the two clamping blocks and is fixed by two clamping block butt joints, and the bottom surface of the inside of the shell and the bottom surface of the fixing frame are provided with threading holes.

The utility model has the advantages that:

1. According to the utility model, through the structural design of the bidirectional threaded rod, the second handle, the clamping blocks and the fixing frame, the second handle is screwed, the second handle drives the bidirectional threaded rod to actively drive, and the two clamping blocks simultaneously move towards the middle end of the bidirectional threaded rod until the clamping blocks tightly abut against two sides of the flowmeter body, so that the installation of the flowmeter body is completed;

2. according to the utility model, through the structural design of the first handle, the screw rod, the fixing clamp and the rubber pad, when the pipeline is respectively connected with the two ends of the shell, the pipeline at the two ends of the shell can be reinforced, so that the connection effect of the pipeline and the two ends of the shell is achieved, the two sides of the pipeline and the shell are prevented from falling off, and the rubber pad is arranged, so that the friction force between the pipeline and the fixing clamp is increased, and meanwhile, the protection effect on the outer wall of the pipeline is achieved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a housing structure of the present utility model;

FIG. 2 is a schematic view of a reinforcement device according to the present utility model;

FIG. 3 is a schematic view of the flow meter body structure of the present utility model;

fig. 4 is a schematic view of the upper end structure of the mounting device of the present utility model.

In the figure: 1. a housing; 2. a base; 3. a reinforcing device; 301. a connecting frame; 302. a connecting block; 303. a screw; 304. a first handle; 305. a fixing clamp; 306. a rubber pad; 4. a housing; 5. a flowmeter body; 6. an observation window; 7. a mounting device; 701. a fixing frame; 702. a two-way threaded rod; 703. a clamping block; 704. a second handle; 8. and a slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a doppler ultrasonic flowmeter comprises a housing 1; the bottom end of the shell 1 is fixedly provided with a base 2, two ends of the top surface of the base 2 are provided with reinforcing devices 3, the top end of the shell 1 is provided with a shell 4, the inside of the shell 4 is provided with a flowmeter body 5, one end of the shell 4 is provided with an observation window 6, the middle end of the shell 4 is provided with a mounting device 7, and two sides of the bottom end inside the shell 4 are fixedly provided with sliding rods 8;

In operation, by providing the housing 4, the flowmeter body 5 is protected

What needs to be specifically stated is: the ultrasonic flowmeter described in this embodiment includes the ultrasonic flowmeter described in the background art, which belongs to MFU2000F type ultrasonic flowmeter, and the measuring method thereof is the same as that of the conventional ultrasonic flowmeter, specifically, two ultrasonic sensors are provided inside the housing 1, one of which serves as a transmitter and the other of which serves as a receiver. The propagation speed of ultrasonic wave in fluid is affected by the speed of fluid, so the flow rate is determined by measuring the propagation time of ultrasonic wave, and the propagation speed and flow rate of ultrasonic wave in fluid can be calculated by measuring the time difference and the distance between sensors, which are the prior art.

Further, the reinforcement device 3 includes a connection frame 301; the two sides of the shell 1 are fixedly provided with connecting frames 301, one end of each connecting frame 301 is fixedly connected with a connecting block 302, the middle end of each connecting block 302 is in threaded connection with a screw 303, one end of each screw 303 penetrates through one side of each connecting block 302 and is fixedly connected with a first handle 304, one side of each screw 303 is connected with a fixing clamp 305, and the inner wall of one side of each fixing clamp 305 is provided with a rubber pad 306;

during operation, through twisting first handle 304, and then make first handle 304 drive screw rod 303 rotate, through setting up screw rod 303 and connecting block 302 threaded connection, and then make screw rod 303 when rotating, drive fixation clamp 305 and stretch forward, until the inner wall of fixation clamp 305 one side supports the pipeline outer wall tightly, at this moment rubber pad 306 is laminated with the pipeline outer wall mutually, respectively twist several other first handles 304 in addition, and then drive fixation clamp 305 supports the pipeline outer wall tightly, and then accomplish the reinforcement between pipeline and the casing 1, through setting up reinforcing apparatus 3, and then when the both ends of casing 1 are being connected with the pipeline, can strengthen the fixed of casing 1 and pipeline.

Further, the number of the fixing clips 305 is four, and two fixing clips are symmetrically distributed on two sides of the base 2;

During operation, the quantity through setting up fixation clamp 305 is provided with everywhere altogether, and two be a set of symmetric distribution in the both sides of base 2, and then make reinforcing apparatus 3 can consolidate the pipeline homoenergetic of casing 1 both ends connection, and then improved the connection effect of pipeline to prevent that the pipeline from being connected with the both ends of casing 1 from droing.

Further, one side of the single fixing clip 305 is arc-shaped, and a rubber pad 306 is arranged around the inner wall of one side of the fixing clip 305;

During operation, one side through setting up fixation clamp 305 is the arc, and then makes the one side that fixation clamp 305 can make rubber pad 306 laminating around the pipeline to improve fixed effect, through setting up rubber pad 306, and then when increasing frictional force between pipeline and the fixation clamp 305, play the guard action to the pipeline outer wall.

Further, the bottom end of the shell 4 is detachably connected with the top end of the shell 1 through bolts, a display screen is arranged at the upper end of the flowmeter body 5, the installation position of the observation window 6 is identical to the installation position of the display screen at the upper end of the flowmeter body 5, and a spring is arranged on the outer surface of the sliding rod 8 in a surrounding mode;

During operation, through setting up can dismantle between shell 4 and the casing 1 and be connected, and then the staff of being convenient for overhauls the inside of clearance shell 4 when being convenient for carry, and the position of installing through setting up observation window 6 is identical with the position of flowmeter body 5 upper end display screen installation, and then makes the staff can see through the data on the flowmeter body 5 display screen of observation window 6 direct observation.

Further, the mounting device 7 includes a mount 701; a fixing frame 701 is movably connected inside the shell 4, two sides of the bottom end of the fixing frame 701 are in sliding connection with a sliding rod 8, the middle end of the fixing frame 701 is rotatably connected with a bidirectional threaded rod 702 through a bearing, two ends of the bidirectional threaded rod 702 are in threaded connection with a clamping block 703, and one side of the bidirectional threaded rod 702 movably penetrates through the fixing frame 701 and one side of the shell 4 to be fixedly connected with a second handle 704;

During operation, through arranging flowmeter body 5 in the middle-end of mount 701, and be located the middle-end of two fixture blocks 703, through twisting second handle 704, and then make second handle 704 drive bi-directional threaded rod 702 initiative, and then make two fixture blocks 703 move towards the middle-end of bi-directional threaded rod 702 simultaneously until fixture block 703 supports the both sides of flowmeter body 5 tightly, and then accomplishes fixedly, through setting up installation device 7, and then install flowmeter body 5 in the inside of shell 4 fast.

Further, the two ends of the bidirectional threaded rod 702 are provided with threads in opposite directions, the number of the clamping blocks 703 is two, the clamping blocks 703 are symmetrically distributed about the vertical center line of the fixing frame 701, the clamping blocks 703 are L-shaped, the flowmeter body 5 is positioned at the middle ends of the two clamping blocks 703, the two clamping blocks 703 are abutted and fixed, and threading holes are formed in the bottom surface of the inside of the shell 4 and the bottom surface of the fixing frame 701;

During operation, through setting up the both ends and the both ends screw thread direction setting of two fixture blocks 703 symmetric distribution at two-way threaded rod 702 and two-way threaded rod 702 are opposite, and then two fixture blocks 703 can be moved towards two-way threaded rod 702 middle-end in step when the two-way threaded rod 702 rotates, be L shape through setting up the shape of fixture block 703 to make the outer end part of fixture block 703 can protect the outer end of flowmeter body 5, thereby prevent that flowmeter body 5 from droing.

Working principle: through setting up shell 4, and then provide the protection to flowmeter body 5, through setting up installation device 7, and then install flowmeter body 5 in the inside of shell 4 fast, through the middle-end of putting flowmeter body 5 and mount 701, and be located the middle-end of two fixture blocks 703, through twisting second handle 704, and then make second handle 704 drive bi-directional threaded rod 702 initiative, and then make two fixture blocks 703 move towards the middle-end of bi-directional threaded rod 702 simultaneously, until fixture block 703 supports the both sides of flowmeter body 5 tightly, and then accomplish fixedly.

Through setting up reinforcing apparatus 3, and then when the both ends of casing 1 are being connected with the pipeline, can strengthen the fixed of casing 1 and pipeline, through twisting first handle 304, and then make first handle 304 drive screw 303 rotate, through setting up screw 303 and connecting block 302 threaded connection, and then make screw 303 when the pivoted, drive fixation clamp 305 and stretch forward, until the inner wall of fixation clamp 305 one side supports the pipeline outer wall tightly, rubber pad 306 is laminated mutually with the pipeline outer wall this moment, twist several other first handles 304 respectively, and then drive fixation clamp 305 supports the pipeline outer wall tightly, and then accomplish the reinforcement between pipeline and the casing 1.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A doppler ultrasonic flow meter, characterized by: comprises a shell (1); the utility model discloses a flow meter, including casing (1), base (2) are installed to the bottom fixed mounting of casing (1), the both ends of base (2) top surface are equipped with reinforcing apparatus (3), the top of casing (1) is equipped with shell (4), internally mounted of shell (4) has flowmeter body (5), the one end of shell (4) is equipped with observation window (6), the middle-end of shell (4) is equipped with installation device (7), the both sides fixed mounting of the inside bottom of shell (4) has slide bar (8).

2. A doppler ultrasound flow meter as claimed in claim 1, wherein: the reinforcement device (3) comprises a connecting frame (301); the utility model discloses a connecting device for a motor vehicle, including casing (1), link (301) are installed to both sides fixed mounting of casing (1), one end fixedly connected with connecting block (302) of link (301), the middle-end threaded connection of connecting block (302) has screw rod (303), one side fixedly connected with first handle (304) of one end run through connecting block (302) of screw rod (303), one side of screw rod (303) is connected with fixation clamp (305), be equipped with rubber pad (306) on the inner wall of fixation clamp (305) one side.

3. A doppler ultrasound flow meter as claimed in claim 2, wherein: the number of the fixing clamps (305) is four, and two fixing clamps are symmetrically distributed on two sides of the base (2).

4. A doppler ultrasound flow meter as claimed in claim 2, wherein: one side of each fixing clamp (305) is arc-shaped, and rubber pads (306) are arranged on the inner wall of one side of the fixing clamp (305) in a surrounding mode.

5. A doppler ultrasound flow meter as claimed in claim 1, wherein: the bottom of shell (4) is connected with the top of casing (1) through the bolt can be dismantled, the display screen is installed to the upper end of flowmeter body (5), and the position that observation window (6) installed is identical with the position that flowmeter body (5) upper end display screen was installed, the surface of slide bar (8) encircles and is provided with the spring.

6. A doppler ultrasound flow meter as claimed in claim 1, wherein: the mounting device (7) comprises a fixing frame (701); the movable connection inside shell (4) has mount (701), sliding connection between both sides and slide bar (8) of mount (701) bottom, the middle-end of mount (701) is connected with two-way threaded rod (702) through the bearing rotation, two end threaded connection of two-way threaded rod (702) has fixture block (703), one side activity of two-way threaded rod (702) runs through mount (701) and one side fixedly connected with second handle (704) of shell (4).

7. The doppler ultrasound flow meter of claim 6, wherein: the two-way threaded rod (702) both ends screw thread direction sets up in opposite, the quantity of fixture block (703) is provided with two altogether, and is symmetric distribution about the vertical central line of mount (701), the shape of fixture block (703) is L shape, and flowmeter body (5) are located the middle-end of two fixture blocks (703), and fix through two fixture block (703) butt, the through wires hole has all been seted up to the inside bottom surface of shell (4) and the bottom surface of mount (701).