CN219641059U - Flowmeter capable of calibrating and butting for motor vehicle detection - Google Patents

Flowmeter capable of calibrating and butting for motor vehicle detection Download PDF

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Publication number
CN219641059U
CN219641059U CN202320666861.8U CN202320666861U CN219641059U CN 219641059 U CN219641059 U CN 219641059U CN 202320666861 U CN202320666861 U CN 202320666861U CN 219641059 U CN219641059 U CN 219641059U
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wall
flange
nut
bolt
flowmeter
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CN202320666861.8U
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Chinese (zh)
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李倩倩
贾春楠
武文博
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Shandong Institute of Metrology
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Shandong Institute of Metrology
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Abstract

The utility model belongs to the technical field of flow meters, and particularly relates to a flow meter capable of being calibrated and butted for motor vehicle detection, which comprises a shell and a connecting rod, wherein a vortex generator is arranged on the inner wall of the shell, the connecting rod is arranged at the top of the shell, a converter is arranged at the top end of the connecting rod through threads, connecting flanges are symmetrically arranged at two ends of the shell, square grooves are symmetrically arranged on the outer wall of the connecting flanges, and a sliding block is fixedly arranged on the outer ring of a bearing. According to the utility model, the flowmeter for motor vehicle detection can be conveniently calibrated and butted through the square groove and the limiting block, the square block is arranged on the front surface of the connecting flange, the connecting flange is conveniently calibrated and connected through the limiting groove arranged on the conveying pipeline, the first bolt is rotated to drive the limiting block to move after the connecting flange is aligned with the flange on the conveying pipeline, and the connecting flange can be tightly connected with the flange for the conveying pipeline, so that the purpose of conveniently butting the flowmeter is achieved.

Description

Flowmeter capable of calibrating and butting for motor vehicle detection
Technical Field
The utility model belongs to the technical field of flowmeters, and particularly relates to a flowmeter capable of being calibrated and butted for motor vehicle detection.
Background
The flowmeter is used for indicating the measured flow or the total fluid flow in a selected time interval, namely simply a flowmeter for measuring the fluid flow in a pipeline or an open channel, the flowmeter for calibrating and butting the motor vehicle detection is used for detecting the tail gas flow of the motor vehicle, the tail gas of the motor vehicle can be intuitively detected and watched through a vortex generator and a converter which are arranged inside, and the existing flowmeter for calibrating and butting the motor vehicle detection needs staff to fix the position of the flowmeter until the flowmeter is positioned by using bolts through a connecting flange during butting and installation, so that the flowmeter is inconvenient to quickly butt the flowmeter with a conveying pipeline, and the installation efficiency is reduced;
through investigation publication (bulletin) number: CN207215216U discloses a gas flowmeter, which comprises a casing and a flow integrating instrument arranged on the casing, wherein the casing comprises a flow guiding section and a detecting section communicated with the flow guiding section, and the flow integrating instrument is arranged on the detecting section; the gas flow meter comprises a flow meter and is characterized in that a flow guide plate used for guiding gas into the flow guide section is arranged at the joint of the flow guide section and the detection section, a through hole communicated with the outside is formed in the side wall of the detection section, and a gas flow sensor with the end part inserted into the detection section is arranged on the flow meter. According to the gas flowmeter disclosed by the utility model, through the via hole on the detection section, the air pressure is generated between the diversion section and the outside. The guide plates are arranged to be matched, so that gas in the guide section is partially guided into the detection section, and solid large particles are blocked by the guide plates, so that gas is detected by a gas flow sensor in the detection section;
however, when the device is used and installed, an installer is required to fix the installation position all the time until the bolt is used for fixing the installation position through the connecting flange, the limit of the flowmeter can be finished, the device is inconvenient to quickly butt joint the flowmeter with the conveying pipeline, and the installation efficiency is reduced;
in order to solve the problems, the utility model provides a flowmeter which is used for detecting a motor vehicle and can be used for calibrating and butting.
Disclosure of Invention
To solve the problems set forth in the background art. The utility model provides a flowmeter capable of being calibrated and butted for motor vehicle detection, which has the characteristic of being capable of being rapidly calibrated and butted.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flowmeter that can calibrate butt joint for motor vehicle detects, includes casing and connecting rod, the inner wall of casing is provided with the vortex generator, the connecting rod is installed at the top of casing, and the converter is installed through the screw thread on the top of connecting rod, the front of converter is provided with calibration button, and vortex generator and converter electric connection;
the connecting flange is symmetrically installed at two ends of the shell, the square groove is symmetrically installed on the outer wall of the connecting flange, the first nut is fixedly installed on the inner wall of the square groove, the first bolt is arranged on the inner wall of the first nut in a penetrating mode, the bearing is fixedly installed at one end of the first bolt, the sliding block is fixedly installed on the outer ring of the bearing, the second nut is installed on the inner wall of the sliding block in an embedded mode, the second bolt is arranged on the inner wall of the second nut in a penetrating mode, and the limiting block is fixedly connected to one end of the second bolt.
As a preferred flowmeter for detecting motor vehicles, which can be used for calibration and butt joint, the inner wall of the connecting flange is provided with a plurality of groups of positioning holes.
As a flowmeter which is used for detecting motor vehicles and can be used for calibration and butt joint, the inner wall of the connecting flange is embedded with an annular groove, and the inner wall of the annular groove is provided with a sealing ring.
As the flowmeter capable of being calibrated and butted for motor vehicle detection, the back of the connecting flange is symmetrically provided with the driver, the driver comprises a third nut and a driving plate, the third nut is fixedly arranged on the outer wall of the driver, and the driving plate penetrates through the inner wall of the driver.
As the flowmeter capable of being calibrated and butted for motor vehicle detection, the utility model is preferable, the outer wall of the driving plate is provided with the limiting hole, one end of the driving plate is fixedly connected with the driving rod, and one end of the driving rod is fixedly connected with the outer wall of the sealing ring.
As a flowmeter for motor vehicle detection which can be calibrated and docked, the inner wall of the third nut is preferably provided with a positioning bolt in a penetrating way.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the flowmeter for motor vehicle detection can be conveniently calibrated and butted through the square groove and the limiting block, the square block is arranged on the front surface of the connecting flange, the connecting flange is conveniently calibrated and connected through the limiting groove arranged on the conveying pipeline, the connecting flange is aligned with the flange on the conveying pipeline, the second bolt is rotated to enable the position of the limiting block to move through the second nut, after the limiting block is moved to one side of the flange on the pipeline, the first bolt is rotated to enable the position of the first bolt to move through the first nut, the sliding block is driven to move through the bearing when the position of the first bolt is moved, the limiting block is driven to move when the sliding block is moved, the connecting flange can be tightly connected with the flange for the conveying pipeline after the limiting block is moved to the outer wall of the flange connected with the conveying pipeline, and then the connecting flange is not limited manually all the time when the flowmeter is installed, so that the flowmeter can be conveniently butted.
2. According to the utility model, the sealing performance of the joint of the flowmeter which can be calibrated and butted and is detected by the motor vehicle can be improved through the sealing ring and the driver, the driving plate is pushed to drive the driving rod to move when the inside of the driver slides, the sealing ring is pushed to slide in the annular groove by the position movement of the driving rod, and after one side of the sealing ring moves into the groove body preset by the flange on the conveying pipeline, the sealing performance of the joint of the flowmeter and the conveying pipeline can be improved, so that the aim of improving the sealing performance of the joint of the flowmeter used for detecting the motor vehicle is fulfilled.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of structure A in the present utility model;
FIG. 4 is a schematic view of a square groove structure according to the present utility model;
FIG. 5 is a schematic view of a seal ring according to the present utility model;
in the figure: 1. a housing; 2. a connecting flange; 3. positioning holes; 4. a vortex generator; 5. a connecting rod; 6. a converter; 7. a calibration button; 8. a square groove; 9. a first nut; 10. a first bolt; 11. a sliding block; 12. a bearing; 13. a second nut; 14. a second bolt; 15. a limiting block; 16. an annular groove; 17. a seal ring; 18. a driver; 19. a third nut; 20. positioning bolts; 21. a driving plate; 22. a limiting hole; 23. and a driving rod.
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.
Example 1
As shown in fig. 1, 3 and 4: the utility model provides a flowmeter that can calibrate butt joint for motor vehicle detects, including casing 1 and connecting rod 5, the inner wall of casing 1 is provided with vortex generator 4, connecting rod 5 is installed at the top of casing 1, converter 6 is installed through the screw thread on the top of connecting rod 5, the front of converter 6 is provided with calibration button 7, and vortex generator 4 and converter 6 electric connection, flange 2 is installed to the both ends symmetry of casing 1, square groove 8 is installed to flange 2's outer wall symmetry, square groove 8's inner wall fixed mounting has first nut 9, first bolt 10 is worn to first nut 9's inner wall, bearing 12 is installed to first bolt 10's one end fixed mounting, bearing 12's outer lane fixed mounting has sliding block 11, second nut 13 is inlayed and is installed to sliding block 11's inner wall, second bolt 14 is worn to second nut 13's inner wall, second bolt 14's one end fixedly connected with stopper 15
In this embodiment: when the flow meter is used for detecting motor vehicle tail gas, the flow meter is connected with the flange on the conveying pipeline through the connecting flange 2, and then the position of the flow meter is installed, after the flow meter is connected with the conveying pipeline, tail gas generated during motor vehicle detection enters the inside of the flow meter through the conveying pipeline, the vortex generator 4 is triangular prism-shaped, two rows of regular vortices are alternately generated on two sides of the vortex generator 4 during gas flow, and then the flow meter can detect the tail gas flow generated during motor vehicle detection through the conversion of the converter 6 through the capacitance detection probe or the piezoelectric detection probe and the corresponding matching circuit which are internally installed, when the flow meter is installed, the connecting flange 2 is aligned with the flange on the conveying pipeline, the second bolt 14 is rotated through the second nut 13, after the position of the limit block 15 is moved to one side of the flange on the pipeline, the position of the first bolt 10 is moved through the first nut 9, the position of the first bolt 10 is moved through the bearing 12, the sliding block 11 is driven to move, the limit block 15 is moved during the movement of the sliding block 11, the position of the first bolt 15 is moved to the conveying pipeline, the flange is connected with the flange through the connecting flange 7, and the flow meter can be tightly calibrated through the connecting flange 7, and the motor vehicle tail gas meter is not convenient to use.
As shown in fig. 1: in an alternative embodiment, the inner wall of the connecting flange 2 is provided with a plurality of sets of positioning holes 3.
In this embodiment: the flange 2 uses the bolt to fix a position the installation through locating hole 3 to the position of flowmeter, and flange 2's front is provided with square piece, and the spacing groove that sets up through pipeline is convenient for it calibrate and connects.
As shown in fig. 5: in an alternative embodiment, the inner wall of the connecting flange 2 is fitted with an annular groove 16, the inner wall of the annular groove 16 being provided with a sealing ring 17.
In this embodiment: the connecting flange 2 provides an installation space for the annular groove 16, the annular groove 16 is used for accommodating the sealing ring 17, and the sealing ring 17 can improve the tightness of the flowmeter.
As shown in fig. 3: in an alternative embodiment, the driver 18 is symmetrically installed on the back of the connecting flange 2, the driver 18 comprises a third nut 19 and a driving plate 21, the third nut 19 is fixedly installed on the outer wall of the driver 18, and the driving plate 21 is penetrated on the inner wall of the driver 18.
In this embodiment: the driver 18 can adjust the position of the sealing ring 17, the driver 18 provides a mounting space for the third nut 19, and the driving plate 21 can slide on the inner wall of the driver 18.
As shown in fig. 3 and 5: in an alternative embodiment, the outer wall of the driving plate 21 is provided with a limiting hole 22, one end of the driving plate 21 is fixedly connected with a driving rod 23, and one end of the driving rod 23 is fixedly connected with the outer wall of the sealing ring 17.
In this embodiment: when the driving plate 21 is pushed to slide in the driver 18, the driving rod 23 is driven to move, the sealing ring 17 is pushed to slide in the annular groove 16 by the movement of the driving rod 23, and after one side of the sealing ring 17 moves into a groove body preset by a flange on the conveying pipeline, the tightness of the joint of the flowmeter and the conveying pipeline can be improved.
As shown in fig. 1: in an alternative embodiment, the inner wall of the third nut 19 is provided with a positioning bolt 20.
In this embodiment: after the driving plate 21 moves into the driver 18, the positioning bolt 20 is turned, the third nut 19 moves the positioning bolt 20, and one end of the positioning bolt 20 moves into the limiting hole 22 to position the driving plate 21.
The working principle and the using flow of the utility model are as follows: when the flow meter is used for detecting motor vehicle tail gas, the connecting flange 2 is connected with the flange on the conveying pipeline, the connecting flange 2 is aligned with the flange on the conveying pipeline, the second bolt 14 is rotated to enable the position of the limiting block 15 to move through the second nut 13, after the limiting block 15 is moved to one side of the flange on the pipeline, the first bolt 10 is rotated to enable the position of the first bolt 10 to move through the first nut 9, the sliding block 11 is driven to move through the bearing 12 when the position of the first bolt 10 is moved, the limiting block 15 is driven to move when the sliding block 11 is moved, the connecting flange 2 can be tightly connected with the flange used for the conveying pipeline after the limiting block 15 is moved to the outer wall of the flange connected with the conveying pipeline, the connecting flange 2 is positioned and installed through the positioning hole 3 on the position of the flow meter through the bolt, the driving plate 21 is driven to move the position of the driving rod 23 when the driving plate 21 slides in the driver 18, the position movement of the driving rod 23 pushes the sealing ring 17 to slide in the annular groove 16, after one side of the sealing ring 17 moves into a groove body preset by a flange on a conveying pipeline, the sealing performance of the joint of the flowmeter and the conveying pipeline can be improved, after the driving plate 21 moves into the driver 18, the positioning bolt 20 is rotated, the third nut 19 moves the position of the positioning bolt 20, the position of the driving plate 21 can be positioned after one end of the positioning bolt 20 moves into the limiting hole 22, after tail gas generated during motor vehicle detection enters into the flowmeter through the conveying pipeline, the vortex generator 4 is triangular, two rows of regular vortices are alternately generated at two sides of the vortex generator 4 when gas flows, and then through a capacitance detection probe or a piezoelectric detection probe and a corresponding matching circuit which are internally installed, the converter 6 is used for converting, so that the flow meter can detect the flow of the tail gas generated during the detection of the motor vehicle, and the calibration button 7 is used for conveniently calibrating the flow meter used for detecting the motor vehicle.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. Flowmeter for motor vehicle detection, which can be calibrated and docked, comprising a housing (1) and a connecting rod (5), characterized in that: the device is characterized in that a vortex generator (4) is arranged on the inner wall of the shell (1), a connecting rod (5) is arranged at the top of the shell (1), a converter (6) is arranged at the top end of the connecting rod (5) through threads, a calibration button (7) is arranged on the front surface of the converter (6), and the vortex generator (4) is electrically connected with the converter (6);
flange (2) are installed to both ends symmetry of casing (1), square groove (8) are installed to the outer wall symmetry of flange (2), the inner wall fixed mounting of square groove (8) has first nut (9), first bolt (10) are worn to be equipped with by the inner wall of first nut (9), the one end fixed mounting of first bolt (10) has bearing (12), the outer lane fixed mounting of bearing (12) has sliding block (11), second nut (13) are inlayed and install to the inner wall of sliding block (11), second bolt (14) are worn to be equipped with by the inner wall of second nut (13), one end fixedly connected with stopper (15) of second bolt (14).
2. A calibration-dockable flow meter for automotive vehicle inspection as set forth in claim 1 wherein: the inner wall of the connecting flange (2) is provided with a plurality of groups of positioning holes (3).
3. A meter for automotive vehicle inspection capable of calibration docking according to claim 1 or 2, characterized in that: an annular groove (16) is embedded and mounted on the inner wall of the connecting flange (2), and a sealing ring (17) is arranged on the inner wall of the annular groove (16).
4. A calibration-dockable flow meter for automotive vehicle inspection as set forth in claim 2 wherein: the back of flange (2) symmetry installs driver (18), and driver (18) are including third nut (19) and drive plate (21), and third nut (19) fixed mounting is at the outer wall of driver (18), and drive plate (21) wear to establish at the inner wall of driver (18).
5. A calibration-dockable flow meter for automotive vehicle inspection as set forth in claim 4 wherein: the outer wall of the driving plate (21) is provided with a limiting hole (22), one end of the driving plate (21) is fixedly connected with a driving rod (23), and one end of the driving rod (23) is fixedly connected with the outer wall of the sealing ring (17).
6. A calibration-dockable flow meter for automotive vehicle inspection as set forth in claim 4 wherein: the inner wall of the third nut (19) is provided with a positioning bolt (20) in a penetrating way.
CN202320666861.8U 2023-03-30 2023-03-30 Flowmeter capable of calibrating and butting for motor vehicle detection Active CN219641059U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320666861.8U CN219641059U (en) 2023-03-30 2023-03-30 Flowmeter capable of calibrating and butting for motor vehicle detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320666861.8U CN219641059U (en) 2023-03-30 2023-03-30 Flowmeter capable of calibrating and butting for motor vehicle detection

Publications (1)

Publication Number Publication Date
CN219641059U true CN219641059U (en) 2023-09-05

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ID=87809225

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320666861.8U Active CN219641059U (en) 2023-03-30 2023-03-30 Flowmeter capable of calibrating and butting for motor vehicle detection

Country Status (1)

Country Link
CN (1) CN219641059U (en)

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