CN111947829B - High-precision pressure and flow measurement and control instrument - Google Patents

High-precision pressure and flow measurement and control instrument Download PDF

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Publication number
CN111947829B
CN111947829B CN202010811781.8A CN202010811781A CN111947829B CN 111947829 B CN111947829 B CN 111947829B CN 202010811781 A CN202010811781 A CN 202010811781A CN 111947829 B CN111947829 B CN 111947829B
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CN
China
Prior art keywords
installation
sleeve
ring
groove
mounting
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Active
Application number
CN202010811781.8A
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Chinese (zh)
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CN111947829A (en
Inventor
张承勇
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Shanghai Guangjian Semiconductor Equipment Co.,Ltd.
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Shanghai Baobo Technology Co ltd
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Priority to CN202010811781.8A priority Critical patent/CN111947829B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/0092Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Gasket Seals (AREA)
  • Measuring Volume Flow (AREA)

Abstract

The invention discloses a high-precision pressure and flow measurement and control instrument, which comprises a flow pressure converter, wherein the bottom end of the flow pressure converter is fixedly connected with a first installation pipe, the bottom end of the first installation pipe is provided with a second installation pipe, the bottom end of the first installation pipe is fixedly provided with a reinforcing ring in a penetrating manner, the outer side of the joint of the reinforcing ring and the second installation pipe is provided with an installation sleeve, the outer side of the installation sleeve is provided with a limiting groove, the bottom end of the outer side of the second installation pipe is provided with an inward installation groove, one end inside the installation groove is provided with a spring, one end of the spring is provided with a limiting column, one end of the limiting column penetrates through the installation groove, one end of the limiting column is positioned inside the limiting groove, and the limiting column is clamped with the installation sleeve through the limiting groove; through install the installation cover additional in the second installation pipe and reinforcing ring junction outside, under the effect in restriction post and restriction groove, effectively avoided the installation cover to appear from not hard up the condition, further promote to see first installation pipe and second installation union coupling fastness.

Description

High-precision pressure and flow measurement and control instrument
Technical Field
The invention belongs to the technical field of measurement and control instruments, and particularly relates to a high-precision pressure and flow measurement and control instrument.
Background
The flow measuring and controlling instrument is an industrial automatic instrument for measuring and controlling the flow and pressure of liquid, gas or steam and other fluids in a pipeline or an open ditch, and is widely applied to the industries of petroleum, chemical engineering, metallurgy, electric power, light industry and the like. The installation cover lacks spacingly among the current measurement and control instrument, and the installation cover rotates easily under receiving the effect of external force to reduced the problem of first installation pipe with second installation union coupling firmness, for this we propose a high pressure of precision and flow measurement and control instrument.
Disclosure of Invention
The invention aims to provide a high-precision pressure and flow measurement and control instrument, and aims to solve the problems that in the prior measurement and control instrument, a mounting sleeve is short of limit and easy to rotate under the action of external force, so that the firmness of connection between a first mounting pipe and a second mounting pipe is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an instrument is observed and controled to high pressure of precision and flow, includes flow pressure converter, flow pressure converter bottom end fixedly connected with first installation pipe, first installation socle end is provided with second installation pipe, first installation socle end is fixed wears to be equipped with the gusset ring, the gusset ring is provided with the installation cover with the second installation union coupling department outside, the restriction groove has been seted up in the installation cover outside, the inside mounting groove in institute is opened to second installation socle outside bottom, the inside one end of mounting groove is provided with the spring, spring one end is provided with the restriction post, restriction post one end runs through the mounting groove, restriction post one end is located the restriction inslot portion, the restriction post passes through restriction groove and installation cover block.
Preferably, the top end of the second mounting pipe is fixedly connected with a closed ring, the inner part of the bottom end of the reinforcing ring is fixedly connected with a closed sleeve matched with the closed ring, and the closed ring is hermetically connected with the reinforcing ring through the closed sleeve.
Preferably, a first sealing ring is arranged between the installation sleeve and the reinforcing ring, a placement groove matched with the first sealing ring is formed in the surface of the top end of the reinforcing ring, the installation sleeve is connected with the reinforcing ring in a sealing mode through the first sealing ring and the placement groove, a first protection sleeve is arranged between the installation sleeve and the second installation pipe, the installation sleeve is connected with the second installation pipe in a sealing mode through the first protection sleeve, a second protection sleeve is arranged inside the limiting groove, and the limiting column is connected with the limiting groove in a sealing mode through the second protection sleeve.
Preferably, an electric execution switch is arranged on one side of the flow pressure converter, and the flow pressure converter is connected with the electric execution switch through a lead.
Preferably, the mounting sleeve is fixedly connected with the second mounting pipe through threads, and the middle of the outer side of the mounting sleeve is fixedly connected with a rotating ring.
Preferably, the cross section of the limiting column is circular, and the outer side of the end face of the limiting column is an inclined plane.
Preferably, both sides of the top end of the closed ring are symmetrical inclined planes, and the inclined planes are located inside the closed sleeve.
Preferably, a sealing gasket ring is arranged between the first installation pipe and the second installation pipe, and the first installation pipe is connected with the second installation pipe in a sealing mode through the sealing gasket ring.
Preferably, the first sealing ring is arc-shaped in cross section, and the section of the placement groove is arc-shaped.
Preferably, both ends of the top end of the first protective sleeve are symmetrical inclined planes, and the cross section of the first protective sleeve is in a hollow convex shape.
Compared with the prior art, the invention has the beneficial effects that:
(1) by additionally arranging the mounting sleeve at the outer side of the joint of the second mounting pipe and the reinforcing ring, when the first mounting pipe is required to be connected with the second mounting pipe, the first protective sleeve is sleeved at the outer side of the second mounting pipe, then the first mounting pipe is horizontally placed at the top end of the second mounting pipe, the sealing ring is aligned with the sealing sleeve, the first sealing ring is placed in the placing groove, then the mounting sleeve is sleeved at the outer side of the second mounting pipe, when the threads at the inner side of the mounting sleeve are in threaded contact with the threads at the outer side of the second mounting pipe, the mounting sleeve is rotated and continuously moved downwards under the action of the threads, when the bottom end of the mounting sleeve is in contact with the limiting column, the limiting column is pressed, so that the limiting column moves towards the inside of the mounting groove, the limiting column compresses the spring, the mounting sleeve continues to be rotated until the mounting sleeve is not rotated, at the moment, the limiting column is in contact with the limiting groove, the limiting column resets under the elastic action of the spring, one end of the limiting column enters the limiting groove, accomplish the block to the installation cover, under the effect of restriction post and restriction groove, effectively avoided the installation cover to appear from the not hard up condition, further promote to see first installation pipe and second installation union coupling fastness, the closed loop gets into the inside tightly of closed cover simultaneously to tightly contact with closed cover, further promoted first installation pipe and second installation union coupling leakproofness.
(2) By additionally arranging the first protective sleeve at the joint of the second mounting pipe and the mounting sleeve, when the threads at the joint of the mounting sleeve and the second mounting pipe need to be subjected to waterproof treatment, after the first installation pipe and the second installation pipe are connected, the first protection sleeve is lifted, and the first protection sleeve is plugged into a gap at the joint of the second installation pipe and the installation sleeve, wherein the first protection sleeve and the second protection sleeve are made of elastic materials, then one end of the second protective sleeve is plugged into the limiting groove, then the inner part of the second protective sleeve is compressed by a flat tool, meanwhile, the second protective sleeve is continuously pushed towards the inside of the limiting groove until the second protective sleeve completely wraps the outer side of the limiting column, the operation is finished, under second lag, first lag and first sealing ring are sealed, effectively reduced the moisture of air and rainwater and installation cover and second installation union coupling department screw thread and caused the corruption, made things convenient for the staff to rotate the installation cover once more.
Drawings
FIG. 1 is a schematic view of the structure of the measurement and control instrument of the present invention;
FIG. 2 is an enlarged view of a portion a of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the mounting sleeve of the present invention;
FIG. 4 is an enlarged view of the structure at b in FIG. 3;
FIG. 5 is an enlarged view of the structure at c in FIG. 3;
FIG. 6 is an enlarged view of the structure at d in FIG. 3;
in the figure: 1. a flow pressure transducer; 2. a first mounting tube; 3. a second mounting tube; 4. installing a sleeve; 40. a restraining post; 41. a limiting groove; 42. a reinforcing ring; 43. a spring; 44. mounting grooves; 5. rotating the ring; 6. an electric execution switch; 7. a first protective cover; 70. a second protective cover; 71. a first seal ring; 72. a placing groove; 8. a closed ring; 80. and (4) sealing the sleeve.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a high pressure of precision and flow observe and control instrument, including flow pressure converter 1, the first installation pipe 2 of 1 bottom fixedly connected with of flow pressure converter, first installation pipe 2 bottom is provided with second installation pipe 3, the inside mounting groove 44 of institute is opened to 2 bottom fixings of first installation pipe, reinforcing ring 42 is worn to be equipped with second installation pipe 3 junction outside and is provided with installation cover 4, restriction groove 41 has been seted up in the installation cover 4 outside, the inside mounting groove 44 in second installation pipe 3 outside bottom, the inside one end of mounting groove 44 is provided with spring 43, spring 43 one end is provided with restriction post 40, 40 one end of restriction post runs through mounting groove 44, 40 one end of restriction post is located inside restriction groove 41, restriction post 40 is through restriction groove 41 and 4 blocks of installation cover.
In order to improve the connection tightness between the second installation pipe 3 and the first installation pipe 2, in this embodiment, preferably, a closed ring 8 is fixedly connected to the top end of the second installation pipe 3, a closed sleeve 80 matched with the closed ring 8 is fixedly connected to the inside of the bottom end of the reinforcing ring 42, and the closed ring 8 is hermetically connected to the reinforcing ring 42 through the closed sleeve 80.
In order to reduce the corrosion of moisture to the connecting thread of the mounting sleeve 4 and the second mounting tube 3, in this embodiment, preferably, a first sealing ring 71 is disposed between the mounting sleeve 4 and the reinforcing ring 42, a mounting groove 72 matched with the first sealing ring 71 is formed in the top end surface of the reinforcing ring 42, the mounting sleeve 4 is hermetically connected to the reinforcing ring 42 through the first sealing ring 71 and the mounting groove 72, a first protection sleeve 7 is disposed between the mounting sleeve 4 and the second mounting tube 3, the mounting sleeve 4 is hermetically connected to the second mounting tube 3 through the first protection sleeve 7, a second protection sleeve 70 is disposed inside the limiting groove 41, and the limiting column 40 is hermetically connected to the limiting groove 41 through the second protection sleeve 70.
In order to install the electric actuating switch 6, in the present embodiment, it is preferable that the electric actuating switch 6 is provided on one side of the flow pressure converter 1, and the flow pressure converter 1 is connected to the electric actuating switch 6 through a wire.
In order to fix the mounting sleeve 4, in this embodiment, preferably, the mounting sleeve 4 is fixedly connected with the second mounting tube 3 through a thread, and a rotating ring 5 is fixedly connected to the middle of the outer side of the mounting sleeve 4.
In order to facilitate the limiting column 40 to enter the limiting groove 41, in the present embodiment, it is preferable that the limiting column 40 has a circular cross section, and the outer side of the end surface of the limiting column 40 is a slope.
In order to increase the contact area between the sealing ring 8 and the sealing sleeve 80 to improve the sealing performance, in this embodiment, it is preferable that both sides of the top end of the sealing ring 8 are symmetrical slopes, and the slopes are located inside the sealing sleeve 80.
For installing the gasket ring, in this embodiment, it is preferable that a gasket ring is disposed between the first installation pipe 2 and the second installation pipe 3, and the first installation pipe 2 is connected to the second installation pipe 3 in a sealing manner through the gasket ring.
In order to facilitate the sealing of the top end of the mounting sleeve 4, in the present embodiment, it is preferable that the first sealing ring 71 has a circular cross-section, and the installation groove 72 has an arc-shaped cross-section.
In order to facilitate the first protection sleeve 7 to be plugged between the installation sleeve 4 and the second installation pipe 3, in this embodiment, preferably, both ends of the top end of the first protection sleeve 7 are symmetrical inclined planes, and the cross section of the first protection sleeve 7 is in a hollow convex shape.
The working principle and the using process of the invention are as follows: after the device is completed, by additionally arranging the mounting sleeve 4 at the outer side of the joint of the second mounting pipe 3 and the reinforcing ring 42, when the first mounting pipe 2 is required to be connected with the second mounting pipe 3, firstly, the first protective sleeve 7 is sleeved at the outer side of the second mounting pipe 3, then, the first mounting pipe 2 is horizontally placed at the top end of the second mounting pipe 3, the sealing ring 8 is aligned with the sealing sleeve 80, the first sealing ring 71 is placed in the arranging groove 72, then, the mounting sleeve 4 is sleeved at the outer side of the second mounting pipe 3, when the inner side thread of the mounting sleeve 4 is in threaded contact with the outer side thread of the second mounting pipe 3, the mounting sleeve 4 is rotated, the mounting sleeve 4 continuously moves downwards under the action of the threads, when the bottom end of the mounting sleeve 4 is in contact with the limiting column 40, the limiting column 40 is pressed to enable the mounting groove 40 to move towards the inner part of the limiting column 44, meanwhile, the limiting column 40 compresses the spring 43, the mounting sleeve 4 is continuously rotated until the mounting sleeve 4 is not moved, at the moment, the limiting column 40 is in contact with the limiting groove 41, the limiting column 40 resets under the elastic action of the spring 43, one end of the limiting column 40 enters the limiting groove 41 to complete clamping of the mounting sleeve 4, the situation that the mounting sleeve 4 is self-loosened is effectively avoided under the action of the limiting column 40 and the limiting groove 41, the connection firmness of the first mounting pipe 2 and the second mounting pipe 3 is further improved, meanwhile, the sealing ring 8 enters the sealing sleeve 80 to be tightly contacted with the sealing sleeve 80, and the connection tightness of the first mounting pipe 2 and the second mounting pipe 3 is further improved; by additionally arranging the first protective sleeve 7 at the joint of the second mounting pipe 3 and the mounting sleeve 4, when waterproof treatment is required to be carried out on the threads at the joint of the mounting sleeve 4 and the second mounting pipe 3, after the first mounting pipe 2 and the second mounting pipe 3 are connected, the first protective sleeve 7 is lifted, the first protective sleeve 7 is plugged into a gap at the joint of the second mounting pipe 3 and the mounting sleeve 4, the first protective sleeve 7 and the second protective sleeve 70 are both made of elastic materials, one end of the second protective sleeve 70 is plugged into the limiting groove 41, then the second protective sleeve 70 is compressed by a flat tool, meanwhile, the second protective sleeve 70 is continuously pushed into the limiting groove 41 until the second protective sleeve 70 completely wraps the outer side of the limiting column 40, the operation is completed, and under the sealing of the second protective sleeve 70, the first protective sleeve 7 and the first sealing ring 71, the moisture of air and the thread corrosion caused by the joint of the second protective sleeve 4 and the second mounting pipe 3 are effectively reduced, the installation sleeve 4 is convenient for the worker to rotate again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a pressure and flow that precision is high observe and control instrument, includes flow pressure converter (1), the first installation pipe (2) of flow pressure converter (1) bottom fixedly connected with, first installation pipe (2) bottom is provided with second installation pipe (3), reinforcement ring (42) are worn to be equipped with by first installation pipe (2) bottom mounting, reinforcement ring (42) are provided with installation cover (4), its characterized in that with second installation pipe (3) junction outside: a limiting groove (41) is formed in the outer side of the mounting sleeve (4), an inward mounting groove (44) is formed in the bottom end of the outer side of the second mounting pipe (3), a spring (43) is arranged at one end inside the mounting groove (44), a limiting column (40) is arranged at one end of the spring (43), one end of the limiting column (40) penetrates through the mounting groove (44), one end of the limiting column (40) is located inside the limiting groove (41), and the limiting column (40) is clamped with the mounting sleeve (4) through the limiting groove (41); the top end of the second installation pipe (3) is fixedly connected with a closed ring (8), the inner part of the bottom end of the reinforcing ring (42) is fixedly connected with a closed sleeve (80) matched with the closed ring (8), and the closed ring (8) is hermetically connected with the reinforcing ring (42) through the closed sleeve (80);
be provided with first sealing ring (71) between installation cover (4) and reinforcement ring (42), reinforcement ring (42) top surface seted up with first sealing ring (71) assorted arrangement groove (72), installation cover (4) are through first sealing ring (71) and arrangement groove (72) and reinforcement ring (42) sealing connection, be provided with first lag (7) between installation cover (4) and second installation pipe (3), installation cover (4) are through first lag (7) and second installation pipe (3) sealing connection, inside second lag (70) that is provided with of restriction groove (41), restriction post (40) are through second lag (70) and restriction groove (41) sealing connection.
2. The high-precision pressure and flow measurement and control instrument according to claim 1, characterized in that: and an electric execution switch (6) is arranged on one side of the flow pressure converter (1), and the flow pressure converter (1) is connected with the electric execution switch (6) through a lead.
3. The high-precision pressure and flow measurement and control instrument according to claim 1, characterized in that: the mounting sleeve (4) is fixedly connected with the second mounting pipe (3) through threads, and the middle of the outer side of the mounting sleeve (4) is fixedly connected with a rotating ring (5).
4. The high-precision pressure and flow measurement and control instrument according to claim 1, characterized in that: the cross section of the limiting column (40) is circular, and the outer side of the end face of the limiting column (40) is an inclined plane.
5. The high-precision pressure and flow measurement and control instrument according to claim 1, characterized in that: the two sides of the top end of the closed ring (8) are both symmetrical inclined planes, and the inclined planes are positioned inside the closed sleeve (80).
6. The high-precision pressure and flow measurement and control instrument according to claim 1, characterized in that: be provided with the gasket ring between first installation pipe (2) and second installation pipe (3), first installation pipe (2) are through gasket ring and second installation pipe (3) sealing connection.
7. The high-precision pressure and flow measurement and control instrument according to claim 1, characterized in that: the first sealing ring (71) is arc-shaped in cross section, and the section of the placement groove (72) is arc-shaped.
8. The high-precision pressure and flow measurement and control instrument according to claim 1, characterized in that: the two ends of the top end of the first protective sleeve (7) are both symmetrical inclined planes, and the cross section of the first protective sleeve (7) is in a hollow convex shape.
CN202010811781.8A 2020-08-13 2020-08-13 High-precision pressure and flow measurement and control instrument Active CN111947829B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010811781.8A CN111947829B (en) 2020-08-13 2020-08-13 High-precision pressure and flow measurement and control instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010811781.8A CN111947829B (en) 2020-08-13 2020-08-13 High-precision pressure and flow measurement and control instrument

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CN111947829A CN111947829A (en) 2020-11-17
CN111947829B true CN111947829B (en) 2022-06-21

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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107830969B (en) * 2017-09-29 2020-06-09 马鞍山市恒欣减压器制造有限公司 Quick connector for pressure instrument detection
CN108663159B (en) * 2018-06-20 2020-04-17 佛山市川东磁电股份有限公司 Inner hole sealing structure of pressure sensor
CN108799587A (en) * 2018-06-28 2018-11-13 安徽德锐迈液压机械有限公司 A kind of detachable hydraulic oil anti-leak hydraulic valve
CN208653572U (en) * 2018-09-07 2019-03-26 大庆冠佳科技有限公司 A kind of grease flow meter
CN209043513U (en) * 2018-11-06 2019-06-28 上海赛途仪器仪表有限公司 A kind of hyperpressure table sealing installing and connecting apparatus
CN209416576U (en) * 2019-03-11 2019-09-20 沈阳惠东管道控制有限公司 A kind of falling-proof type pressure gage mounting structure for point defeated station
CN209727197U (en) * 2019-05-30 2019-12-03 天津尼顿环保科技发展有限公司 A kind of sealing structure of flowmeter
CN210464582U (en) * 2019-10-09 2020-05-05 北京同心建筑有限公司 Flow counter of municipal drainage pipe
CN210893519U (en) * 2019-10-24 2020-06-30 深圳鹏力达传感仪器有限公司 Pressure transmitter convenient to dismantle

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Effective date of registration: 20230530

Address after: Room 201, 2nd Floor, Building 4, No. 189 Fulian Second Road, Baoshan District, Shanghai, 201906

Patentee after: Shanghai Guangjian Semiconductor Equipment Co.,Ltd.

Address before: Room 6534, building 6, building 6, No. 199, Tongji Branch Road, Baoshan District, Shanghai 201900

Patentee before: Shanghai Baobo Technology Co.,Ltd.