CN113884155B - Overload prevention device of flowmeter and flowmeter - Google Patents
Overload prevention device of flowmeter and flowmeter Download PDFInfo
- Publication number
- CN113884155B CN113884155B CN202110995558.8A CN202110995558A CN113884155B CN 113884155 B CN113884155 B CN 113884155B CN 202110995558 A CN202110995558 A CN 202110995558A CN 113884155 B CN113884155 B CN 113884155B
- Authority
- CN
- China
- Prior art keywords
- base
- pipe
- flowmeter
- intraductal
- spout
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/10—Preventing damage by freezing or excess pressure or insufficient pressure
- G01F15/105—Preventing damage by hydraulic shocks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/28—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The invention provides an overload prevention device of a flowmeter and the flowmeter, the overload prevention device comprises an inner pipe base, an outer pipe base, a transverse limiting rod, a lifting rod, an adjusting bolt and a spring, wherein the outer pipe base is connected with the inner pipe base, a first sliding groove which is vertically penetrated is formed on the outer pipe base, a second sliding groove which is transversely penetrated is formed on the inner pipe base, the first sliding groove is communicated with the second sliding groove, the lifting rod is slidably arranged in the first sliding groove, the transverse limiting rod is slidably arranged in the second sliding groove, a driving inclined surface is formed at the lower section of the lifting rod, the transverse limiting rod is provided with a driving part which is in contact with the driving inclined surface, the spring is arranged between the transverse limiting rod and the inner pipe base and drives the driving inclined surface of the lifting rod to be kept in contact with the driving part, the adjusting bolt is only rotatably arranged on the outer pipe base, a screw hole which is matched with the adjusting bolt is formed at the upper end of the lifting rod, and the lifting rod can be driven to move up and down by rotating the adjusting bolt.
Description
Technical Field
The invention relates to the field of flowmeters, in particular to an overload prevention device of a flowmeter and the flowmeter.
Background
The target flowmeter is a fluid flow monitoring device, a target plate is arranged in the middle of a tube body by a common target flowmeter, deformation is caused by deformation of a deformation rod after fluid impacts the target plate, flow is calculated by measuring deformation, but if initial flow is overlarge, overload is easily caused by overlarge impact force when the fluid impacts the target plate, so that measurement data is inaccurate, an overload prevention rod is additionally arranged on one side of the target plate in the prior art, the overload prevention rod cannot be adjusted according to actual requirements when in use, the adjustment is required to be carried out after the device is detached each time, time and labor are wasted, the use is inconvenient, and the device is easy to wear due to repeated disassembly.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the overload prevention device for the flowmeter and the flowmeter, which can be directly adjusted without disassembling the device and are convenient to use.
The invention adopts the following technical scheme:
an overload prevention device for a flowmeter, which is characterized in that: including intraductal base, horizontal gag lever post and lifter, adjusting bolt and spring, intraductal base and intraductal base connection, intraductal base is formed with the first spout that link up from top to bottom, intraductal base is formed with the second spout that transversely link up, first spout and second spout intercommunication, the lifter slides and sets up in first spout, horizontal gag lever post slides and sets up in the second spout, the lifter hypomere is formed with the drive inclined plane, horizontal gag lever post is formed with the drive portion with drive inclined plane contact, the spring sets up and drives the drive inclined plane of lifter and keep with drive portion contact between horizontal gag lever post and intraductal base, adjusting bolt only rotationally sets up on intraductal base, the lifter upper end is formed with the screw with adjusting bolt complex, can drive lifter lifting movement through rotatory adjusting bolt.
Further, still include sealing bolt and limit washer, pipe outer base top is formed with the intercommunication the screw of first spout, sealing bolt sets up in the screw, and sealing bolt is formed with the regulation hole that link up from top to bottom, be formed with the spacing face of pushing up at the adjusting bolt top in the regulation hole, be formed with the step face that is used for placing limit washer between screw and the first spout, adjusting bolt passes limit washer and makes adjusting bolt's nut limited between limit washer and the spacing face unable reciprocate.
Further, a sealing cover is arranged on the sealing bolt.
Further, a sealing ring is arranged between the lifting rod and the first sliding groove.
Further, the bottom of the outer base of the pipe is provided with external threads, the inner base of the pipe is provided with internal threads matched with the external threads, and the outer base of the pipe is connected with the inner base of the pipe through threads.
Further, the horizontal gag lever post includes the slide bar, adjusts spacing end and supporting terminal, the slide bar slides and sets up in the second spout, and the slide bar is formed with the screw that transversely link up, adjusts spacing end and supporting terminal and set up respectively at the both ends of slide bar through threaded connection.
Further, the support end is provided with a support plate, the spring is sleeved outside the slide rod, one end of the spring abuts against the outer side of the inner base of the pipe, and the other end abuts against the support plate.
The flowmeter comprises a pipe body, a target flowmeter arranged on the pipe body and the overload prevention device, wherein the target flowmeter is provided with a deformation rod extending into the pipe body and a resistance target arranged on the deformation rod, and an inner pipe base of the overload prevention device is arranged in the pipe body and is in threaded connection with an outer pipe base so as to clamp the pipe wall between the inner pipe base and the outer pipe base.
Further, a mounting hole is formed in the pipe body, a stepped surface is formed in the mounting hole, a threaded portion of the pipe outer base penetrates through the mounting hole and is in threaded connection with the pipe inner base, and a sealing ring is arranged between the pipe outer base and the stepped surface.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following beneficial effects:
the lifting rod is driven to move up and down by rotating the adjusting bolt, and the transverse limiting rod can be driven to move back and forth along the second sliding groove when the lifting rod is lifted by the cooperation of the driving inclined plane and the driving part, so that the position of the transverse limiting rod can be adjusted, the adjustment can be directly carried out according to actual requirements, the adjustment is carried out without the need of removing the whole device, and the convenience is greatly improved;
the second, limit surface and limit gasket clamp the adjusting bolt, make the adjusting bolt rotate only and can not move up and down, ensure the adjusting bolt can drive the lifting rod to lift;
thirdly, the adjusting hole can be sealed by the sealing cover, so that the contact between the adjusting bolt and the outside is reduced, the adjusting bolt is prevented from being corroded, and the service life of the adjusting bolt is prolonged;
fourth, the sealing ring increases the overall tightness of the device;
fifthly, the inner pipe base is connected with the outer pipe base through threads, so that the device is more convenient to install;
sixth, the slide bar is connected with the adjusting limiting end in a threaded manner, so that the adjusting limiting end can be adjusted, and the device can be pre-adjusted before being installed.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of a specific embodiment of the present invention;
FIG. 2 is a cross-sectional view of a tubular body structure according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the overall structure of the overload prevention device of the present invention;
fig. 4 is a partial structural sectional view of the overload prevention apparatus of the present invention, showing the structures of the inside-tube base and the outside-tube base.
In the figure: 1. the pipe comprises a pipe body, 10, a mounting hole, 11, a stepped surface, 12, a sealing ring, 2, a target flowmeter, 20, a deformation rod, 21, a target plate, 3, an overload prevention device, 30, an inner pipe base, 300, a second sliding groove, 31, an outer pipe base, 310, a first sliding groove, 311, a screw hole, 312, a stepped surface, 32, a transverse limiting rod, 320, a driving hole, 321, a sliding rod, 322, an adjusting limiting end, 323, a supporting end, 324, a supporting plate, 33, a lifting rod, 330, a driving inclined surface, 34, an adjusting bolt, 35, a spring, 36, a sealing bolt, 360, an adjusting hole, 361, a limiting surface, 362, a sealing cover, 37, a limiting gasket and 38.
Detailed Description
The invention is further described below by means of specific embodiments.
Referring to fig. 1 to 4, a flowmeter overload prevention device and flowmeter of the present invention includes a pipe body 1, a target flowmeter 2 provided on the pipe body 1, and an overload prevention device 3, the target flowmeter 2 having a deformation rod 20 extending into the pipe body 1 and a resistance target 21 provided on the deformation rod 20, the overload prevention device 3 being detachably provided on the pipe body 1.
The overload prevention device 3 comprises an inner tube base 30, an outer tube base 31, a transverse limiting rod 32, a lifting rod 33, an adjusting bolt 34, a spring 35, a sealing bolt 36 and a limiting gasket 37, wherein the outer tube base 31 is connected with the inner tube base 30, the outer tube base 31 is provided with a first sliding groove 310 which penetrates up and down, the inner tube base 30 is provided with a second sliding groove 300 which penetrates up and down, the first sliding groove 310 is communicated with the second sliding groove 310, the lifting rod 33 is slidably arranged in the first sliding groove 310, a sealing ring 38 is arranged between the lifting rod 33 and the first sliding groove 310, the transverse limiting rod 32 is slidably arranged in the second sliding groove 300, a driving hole 320 for inserting the lower section of the lifting rod 33 is formed on the transverse limiting rod 32, a driving inclined surface 330 which contacts with the driving inclined surface 330 is formed on the lower section of the lifting rod 33, namely, the driving hole 320 is provided with a driving part which contacts with the driving inclined surface 330, the spring 35 is arranged between the transverse limiting rod 32 and the inner tube base 30 to drive the driving inclined surface 330 to keep contacting with the driving part of the driving hole 320, the adjusting bolt 34 is rotatably arranged on the outer tube base 31, the lifting rod 33 is matched with the screw hole 33.
The top of the pipe outer base 31 is provided with a screw hole 311 communicated with the first chute 310, the sealing bolt 36 is arranged in the screw hole 311, the sealing bolt 36 is provided with an adjusting hole 360 which is penetrated up and down, a limiting surface 361 propped against the top of the adjusting bolt is formed in the adjusting hole 360, a step surface 312 for placing the limiting gasket 37 is formed between the screw hole 311 and the first chute 310, the adjusting bolt 34 passes through the limiting gasket 37, the nut of the adjusting bolt 34 is limited between the limiting gasket 37 and the limiting surface 361 and cannot move up and down, and the sealing bolt 36 is provided with a sealing cover 362.
The bottom of the pipe outer base 31 is provided with external threads, the pipe inner base 30 is provided with internal threads matched with the external threads, the pipe body 1 is provided with a mounting hole 10, a stepped surface 11 is formed in the mounting hole 10, the threaded part of the pipe outer base 31 of the overload prevention device 3 penetrates through the mounting hole 10 and is in threaded connection with the pipe inner base 30, and a sealing ring 12 is arranged between the pipe outer base 31 and the stepped surface 11.
The transverse limiting rod 32 comprises a driving hole 320, a sliding rod 321, an adjusting limiting end 322 and a supporting end 323, wherein the sliding rod 321 is arranged in the second sliding groove 300 in a sliding mode, the sliding rod 321 is provided with a transverse through screw hole, the adjusting limiting end 322 and the supporting end 323 are respectively arranged at two ends of the sliding rod 321 through threaded connection, the supporting end 323 is provided with a supporting plate 324, the spring 35 is sleeved outside the sliding rod 321, one end of the spring 35 abuts against the outer side of the inner base 30 of the pipe, and the other end abuts against the supporting plate 324.
With continued reference to fig. 1 to 4, in the use of the present invention, the target flowmeter 2 is mounted on the pipe body 1, the distance of the adjusting and limiting end 322 is adjusted according to actual needs, the overload prevention device 3 is primarily adjusted, then the pipe inner base 30 is placed in the pipe body 1, and the threaded portion of the pipe outer base 31 extends into the pipe body 1 to be in threaded connection with the pipe inner base 30, so that the pipe wall of the pipe body 1 is clamped between the pipe inner base 30 and the pipe outer base 31, the overload prevention device 3 is mounted on the pipe body 1, and the adjusting and limiting end 322 is opposite to the target plate 21 of the target flowmeter 2.
The adjusting bolt 34 is rotated, so that the adjusting bolt 34 drives the lifting rod 33 to lift, and the lifting rod 33 drives the transverse limiting rod 32 to move, so that the position of the transverse limiting rod 32 is adjusted, the overload prevention device 3 is further finely adjusted to reach the actually required position, and after the adjustment is completed, the sealing cover 362 on the sealing bolt 36 is covered.
The foregoing is merely one specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the concept shall belong to the behavior of infringement of the protection scope of the present invention.
Claims (7)
1. An overload prevention device for a flowmeter, which is characterized in that: including intraductal base, intraductal outer base, horizontal gag lever post and lifter, adjusting bolt and spring, intraductal outer base and intraductal base connection, intraductal outer base is formed with the first spout that link up from top to bottom, intraductal base is formed with the second spout that transversely link up, first spout and second spout intercommunication, the lifter slides and sets up in first spout, horizontal gag lever post slides and sets up in the second spout, the lifter hypomere is formed with the drive inclined plane, horizontal gag lever post is formed with the drive portion with drive inclined plane contact, the spring sets up and drives the drive inclined plane of lifter and keep with drive portion contact between horizontal gag lever post and intraductal base, adjusting bolt only sets up on intraductal outer base with the pivoted mode, the lifter upper end is formed with the screw with adjusting bolt complex, drive lifter lift removal through rotatory adjusting bolt, be provided with the sealing washer between lifter and the first spout, intraductal outer base bottom is provided with the external screw thread, be provided with the internal screw thread with on the intraductal base with the external screw thread looks adaptation, intraductal base passes through threaded connection with intraductal base.
2. The flowmeter overload prevention device of claim 1, wherein: still include sealing bolt and limit washer, pipe outer base top is formed with the intercommunication the screw of first spout, sealing bolt sets up in the screw, and sealing bolt is formed with the regulation hole that link up from top to bottom, be formed with the spacing face of pushing up at the adjusting bolt top in the regulation hole, be formed with the step face that is used for placing limit washer between screw and the first spout, adjusting bolt passes limit washer and makes adjusting bolt's nut limited between limit washer and the spacing face unable reciprocate.
3. A flowmeter overload prevention device as set forth in claim 2 wherein: and the sealing bolt is provided with a sealing cover.
4. The flowmeter overload prevention device of claim 1, wherein: the horizontal gag lever post includes the slide bar, adjusts spacing end and supporting terminal, the slide bar slides and sets up in the second spout, and the slide bar is formed with the screw that transversely link up, adjusts spacing end and supporting terminal and set up respectively at the both ends of slide bar through threaded connection.
5. The flowmeter overload prevention device of claim 4, wherein: the support end is provided with a support plate, the spring is sleeved outside the slide rod, one end of the spring abuts against the outer side of the inner base of the pipe, and the other end abuts against the support plate.
6. A flowmeter, characterized in that: the overload protection device comprises a pipe body, a target flowmeter arranged on the pipe body and an overload protection device according to any one of claims 1 to 5, wherein the target flowmeter is provided with a deformation rod extending into the pipe body and a resistance target arranged on the deformation rod, and an inner pipe base of the overload protection device is arranged in the pipe body and is in threaded connection with an outer pipe base so as to clamp the pipe wall between the inner pipe base and the outer pipe base.
7. A flowmeter according to claim 6, wherein: the pipe body is provided with a mounting hole, a stepped surface is formed in the mounting hole, a threaded part of the pipe outer base penetrates through the mounting hole and is in threaded connection with the pipe inner base, and a sealing ring is arranged between the pipe outer base and the stepped surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110995558.8A CN113884155B (en) | 2021-08-27 | 2021-08-27 | Overload prevention device of flowmeter and flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110995558.8A CN113884155B (en) | 2021-08-27 | 2021-08-27 | Overload prevention device of flowmeter and flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113884155A CN113884155A (en) | 2022-01-04 |
| CN113884155B true CN113884155B (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110995558.8A Active CN113884155B (en) | 2021-08-27 | 2021-08-27 | Overload prevention device of flowmeter and flowmeter |
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| Country | Link |
|---|---|
| CN (1) | CN113884155B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181044A (en) * | 2015-05-15 | 2015-12-23 | 何相之 | Ultrasonic flowmeter |
| EP3332159A1 (en) * | 2015-08-04 | 2018-06-13 | Voith Patent GmbH | Fluid flow control device |
| CN110940384A (en) * | 2019-11-27 | 2020-03-31 | 江苏微浪电子科技有限公司 | Precession vortex flowmeter |
| CN212903390U (en) * | 2020-08-14 | 2021-04-06 | 湖南汉德史特仪表有限公司 | Pressure sensor type flowmeter |
| CN213455641U (en) * | 2020-11-27 | 2021-06-15 | 开封横河流量仪表有限公司 | Adjustable orifice plate flowmeter |
| CN215984686U (en) * | 2021-08-27 | 2022-03-08 | 泉州日新流量仪器仪表有限公司 | Flowmeter overload prevention device and flowmeter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112015002083B4 (en) * | 2015-08-20 | 2020-03-19 | Honda Electronics Co. Ltd. | Sensor clamping device and clamp-on ultrasonic flow meter |
-
2021
- 2021-08-27 CN CN202110995558.8A patent/CN113884155B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181044A (en) * | 2015-05-15 | 2015-12-23 | 何相之 | Ultrasonic flowmeter |
| EP3332159A1 (en) * | 2015-08-04 | 2018-06-13 | Voith Patent GmbH | Fluid flow control device |
| CN110940384A (en) * | 2019-11-27 | 2020-03-31 | 江苏微浪电子科技有限公司 | Precession vortex flowmeter |
| CN212903390U (en) * | 2020-08-14 | 2021-04-06 | 湖南汉德史特仪表有限公司 | Pressure sensor type flowmeter |
| CN213455641U (en) * | 2020-11-27 | 2021-06-15 | 开封横河流量仪表有限公司 | Adjustable orifice plate flowmeter |
| CN215984686U (en) * | 2021-08-27 | 2022-03-08 | 泉州日新流量仪器仪表有限公司 | Flowmeter overload prevention device and flowmeter |
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| Publication number | Publication date |
|---|---|
| CN113884155A (en) | 2022-01-04 |
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