CN209310880U - Liquidometer with check valve - Google Patents

Liquidometer with check valve Download PDF

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Publication number
CN209310880U
CN209310880U CN201920134654.1U CN201920134654U CN209310880U CN 209310880 U CN209310880 U CN 209310880U CN 201920134654 U CN201920134654 U CN 201920134654U CN 209310880 U CN209310880 U CN 209310880U
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CN
China
Prior art keywords
valve body
rivet nut
check valve
hole
spool
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.)
Active
Application number
CN201920134654.1U
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Chinese (zh)
Inventor
袁春红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Boyite Science & Technology Co Ltd
Original Assignee
Wuxi Boyite Science & Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Wuxi Boyite Science & Technology Co Ltd filed Critical Wuxi Boyite Science & Technology Co Ltd
Priority to CN201920134654.1U priority Critical patent/CN209310880U/en
Application granted granted Critical
Publication of CN209310880U publication Critical patent/CN209310880U/en
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Abstract

A kind of liquidometer with check valve involved by the utility model.It includes transparent flat tube, and there is through-hole at transparent flat tube both ends, there is the screw for connecting with liquid reserve tank in through-hole.The screw is made of rivet nut and the nail lid being formed as one with rivet nut one end, has the radial hole being connected to transparent flat tube in the rivet nut of nail lid inside.There is the axial hole being connected to the radial hole in rivet nut.Its main feature is that: the rivet nut has check valve far from one end of nail lid.Using this liquidometer with check valve, repair, it is more convenient.The monitoring of cistern water level and oil storage fuel level in tank suitable for industries such as metallurgy, petrochemical industry.

Description

Liquidometer with check valve
Technical field
The utility model relates to a kind of liquid level metering devices.It specifically, is the height of liquid level in real-time monitoring liquid reserve tank , the liquidometer with check valve easy to repair.It is particularly suitable for the cistern water level and fuel reserve tank oil of the industries such as metallurgy, petrochemical industry The monitoring of position.
Background technique
The liquid reserve tank for being filled with water or containing oil is equipped in the industries such as metallurgy, petrochemical industry, many equipment.For real-time monitoring Liquid level in liquid reserve tank is both provided with greatly liquidometer on the side wall of liquid reserve tank.Traditional liquidometer contains transparent flat tube, described Transparent flat tube is organic glass products, and both ends are machined with through-hole, are furnished with the screw for being used to cooperate with liquid reserve tank in through-hole.Institute It states screw to be made of rivet nut and the nail lid being formed as one with rivet nut one end, be machined with and transparent flat tube in the rivet nut of nail lid inside The radial hole of inner cavity connection, is machined with the axial hole being connected to the radial hole in rivet nut.Under installation condition, with two screw phases It is machined with screw hole in the fuel reserve tank sidewall answered, after the screw passes through the through-hole of transparent flat tube respective end, then screws in liquid reserve tank side In corresponding screw hole on wall, and make to cooperate between the screw hole surrounding on nail lid and liquid reserve tank side wall in seal shape.In normal state, Water or oil liquid in liquid reserve tank can be flowed into transparent flat tube by axial hole in rivet nut and radial hole, so that in transparent flat tube Liquid level is identical as the liquid level in liquid reserve tank.The detection to liquid level in liquid reserve tank is realized with this.Although can using above-mentioned liquidometer It is easy to damage to realize the detection to liquid level in liquid reserve tank, but since the transparent flat tube is organic glass products.Once transparent flat Pipe damage, will occur leakage phenomenon.Therefore, it once transparent flat tube damage occurs, need to just replace in time.It is transparent flat to replace Pipe, must just unclamp the screw at transparent flat tube both ends.Before unclamping screw, to avoid water in liquid reserve tank or oil liquid from screw hole Outflow, but must first by liquid reserve tank water or oil liquid release.It can be seen that repaired using above-mentioned liquidometer, it is number It is tired.
Utility model content
Problem to be solved in the utility model is to provide a kind of liquidometer with check valve.Check valve is had using this Liquidometer, repair, it is more convenient.
The above problem to be solved in the utility model is realized by the following technical scheme:
The liquidometer with check valve of the utility model includes transparent flat tube, and there are through-hole, through-hole in transparent flat tube both ends Inside there is the screw for connecting with liquid reserve tank.The screw is made of rivet nut and the nail lid being formed as one with rivet nut one end, nail Covering in the rivet nut of inside has the radial hole being connected to transparent flat tube.There is the axial hole being connected to the radial hole in rivet nut.It is special Point is: the rivet nut has check valve far from one end of nail lid.
Further improvement of the utility model scheme is that the check valve contains valve body, and the valve body is tubulose, outer segment Internal diameter is less than section internal diameter in it, has internal screw thread in outer segment inner circle.One section of diameter of the neighbouring nail lid of the rivet nut is greater than section in it, Duan Shangyou external screw thread in rivet nut, section screws in valve body outer segment after passing through the through-hole of transparent flat tube respective end in rivet nut.In valve body There is retaining ring in end inside, successively there is spring and spool between retaining ring and valve body outer segment, both ends of the spring respectively with retaining ring and spool one End offsets.There is spacing between section surrounding in the spool and valve body.There are circumferential step, circumferential platform in one end of spool proximate valve body outer segment Cooperate between rank and the inner end of valve body outer segment in seal shape;The spring is placed in one of retaining ring and spool without circumferential step in compression shape Between end.
Further improvement of the utility model scheme is that have between the circumferential step of spool one end and the inner end of valve body outer segment One sealing ring.
Further improvement of the utility model scheme is that have circumferential slot in the inner circle of valve body inner end, and the retaining ring insertion should In circumferential slot.
The further improvement of the utility model is that there is radial chimb in valve body outer end, between radial chimb and liquid reserve tank tank wall There is the second sealing ring.
As can be seen from the above scheme, there is check valve far from one end of nail lid due to the rivet nut.The check valve contains There is valve body, the valve body is tubulose, and outer segment internal diameter is less than section internal diameter in it, has internal screw thread in outer segment inner circle.The rivet nut One section of diameter of neighbouring nail lid is greater than section in it, Duan Shangyou external screw thread in rivet nut, and section passes through transparent flat tube respective end in rivet nut Through-hole after screw in valve body outer segment in.There is retaining ring on the inside of valve body inner end, successively have spring and spool between retaining ring and valve body outer segment, The one end of both ends of the spring respectively with retaining ring and spool offsets.There is spacing between section surrounding in the spool and valve body.Spool proximate valves There is circumferential step in one end of external section, cooperates between circumferential step and the inner end of valve body outer segment in seal shape.The spring is in compression Shape is placed in retaining ring and spool without between one end of circumferential step.Under normal circumstances, by tightening screw, push up its rivet nut front end Firmly spool, band movable valve plug is retracted to liquid reserve tank side, so that mutually taking off between the one end of spool far from spring and the inner end of valve body outer segment From making to pass and flow between the one end of water or oil liquid from spool far from spring in liquid reserve tank and the inner end of valve body outer segment transparent flat In pipe.It can be seen that screw had not only played the fixation between transparent flat tube both ends and liquid reserve tank side wall, but also play opening check valve Effect.When the transparent flat tube damage of appearance needs replacing, as long as unscrewing screw, spool will make it remote under the action of the spring One end from spring is tightly withstood on the inner end of valve body outer segment, to be disconnected the oil passage between liquid reserve tank and transparent flat tube. It can be seen that once transparent flat tube damage, only need to unclamp screw, the closing of check valve can be realized.Compared with the background art, no Water in liquid reserve tank or oil liquid need to be bled off with regard to replaceable transparent flat tube, maintenance is not only facilitated, also improve maintenance efficiency.
Detailed description of the invention
Fig. 1 is the liquidometer structural schematic diagram with check valve of the utility model;
The exploded view of Fig. 2 figure 1 above.
Specific embodiment
As depicted in figs. 1 and 2, the liquidometer with check valve of the utility model contains a transparent flat tube 4.It is described For bright flat tube 4 in being vertically arranged, both ends are machined with through-hole 15, are furnished with the screw for being used to connect with liquid reserve tank 8 in through-hole 15.Institute Screw is stated to be made of rivet nut 2 and the nail lid 1 being formed as one with 2 one end of rivet nut, be machined in the rivet nut 2 of nail lid 1 inside with thoroughly The radial hole 6 of bright 4 inner cavity of flat tube connection.The axial hole 7 being connected to the radial hole 6 is machined in rivet nut 2.To be conveniently replaceable Liquid reserve tank 8 and transparent 4 inner cavity of flat tube are separated when bright flat tube 4, are provided with check valve far from one end of nail lid 1 in rivet nut 2.
The check valve contains valve body, and the valve body is tubulose, and the internal diameter of outer segment 9 is less than the internal diameter of section 10 in it, Internal screw thread is machined in 9 inner circle of outer segment.One section of diameter of the neighbouring nail lid 1 of the rivet nut 2 is greater than section in it, the inner Duan Shangjia of rivet nut 2 Work has external screw thread, and 2 inner sections of rivet nut screw in after the through-hole 15 of transparent 4 respective end of flat tube in the outer segment 9 of valve body.Valve body inner end 10 Inner circle on be machined with circumferential slot, retaining ring 12 is embedded in circumferential slot.Spring is disposed between retaining ring 12 and valve body outer segment 9 11 and spool 13, the one end of 11 both ends of spring respectively with retaining ring 12 and spool 13 offset.The spool 13 and section 10 4 in valve body There are spacing between week.One end of spool proximate valve body outer segment is machined with circumferential step, between circumferential step and the inner end of valve body outer segment Cooperate by the first sealing ring in seal shape.The spring in compression shape be placed in the one end of retaining ring and spool without circumferential step it Between.
To be easily installed, it is machined with radial chimb in valve body outer end, in a case of liquid reserve tank corresponding with two valve bodies Processing is welded with swivel nut in mounting hole there are two mounting hole in wall up and down direction.It is machined in the outer segment outer circle of the valve body Screw thread.When installation, the valve body inner end is protruded into the corresponding mounting hole on liquid reserve tank side wall, and is screwed in swivel nut.To guarantee Sealing between radial chimb and mounting hole has the second sealing ring between the swivel nut outer end in radial chimb and liquid reserve tank mounting hole.
Under normal circumstances, by tightening screw, its rivet nut front end is made to withstand spool, band movable valve plug contracts to liquid reserve tank side Into making water in liquid reserve tank or oil liquid from spool so that be separated between the one end of spool far from spring and the inner end of valve body outer segment It is passed and flowed into transparent flat tube between one end of separate spring and the inner end of valve body outer segment.It is needed more when there is transparent flat tube damage When changing, as long as unscrewing screw, one end that spool will make it away from spring under the action of the spring tightly withstands on valve body outer segment On inner end, so that water or oil passage between liquid reserve tank and transparent flat tube be made to disconnect.

Claims (5)

1. have the liquidometer of check valve, including there is through-hole at transparent flat tube, transparent flat tube both ends, have in through-hole for liquid storage The screw of case connection;The screw is made of rivet nut and the nail lid being formed as one with rivet nut one end, in the rivet nut of nail lid inside There is the radial hole being connected to transparent flat tube;There is the axial hole being connected to the radial hole in rivet nut;It is characterized by: the rivet nut There is check valve in one end far from nail lid.
2. the liquidometer according to claim 1 with check valve, it is characterised in that: the check valve contains valve body, institute Stating valve body is tubulose, and outer segment internal diameter is less than section internal diameter in it, has internal screw thread in outer segment inner circle;The neighbouring nail lid of the rivet nut One section of diameter is greater than section in it, Duan Shangyou external screw thread in rivet nut, and section passes through the through-hole back spin of transparent flat tube respective end in rivet nut Enter in valve body outer segment;There is retaining ring on the inside of valve body inner end, successively there is spring and spool, both ends of the spring point between retaining ring and valve body outer segment One end not with retaining ring and spool offsets;There is spacing between section surrounding in the spool and valve body;The one of spool proximate valve body outer segment There is circumferential step at end, cooperates between circumferential step and the inner end of valve body outer segment in seal shape;The spring is placed in retaining ring in compression shape With spool without between one end of circumferential step.
3. the liquidometer according to claim 2 with check valve, it is characterised in that: the circumferential step and valve of spool one end There is the first sealing ring between the inner end of external section.
4. the liquidometer according to claim 2 with check valve, it is characterised in that: have circumferential direction in the inner circle of valve body inner end Slot, the retaining ring are embedded in the circumferential slot.
5. the liquidometer according to claim 2 with check valve, it is characterised in that: there are radial chimb, diameter in valve body outer end To there is the second sealing ring between chimb and liquid reserve tank tank wall.
CN201920134654.1U 2019-01-28 2019-01-28 Liquidometer with check valve Active CN209310880U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920134654.1U CN209310880U (en) 2019-01-28 2019-01-28 Liquidometer with check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920134654.1U CN209310880U (en) 2019-01-28 2019-01-28 Liquidometer with check valve

Publications (1)

Publication Number Publication Date
CN209310880U true CN209310880U (en) 2019-08-27

Family

ID=67681219

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920134654.1U Active CN209310880U (en) 2019-01-28 2019-01-28 Liquidometer with check valve

Country Status (1)

Country Link
CN (1) CN209310880U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Level gauge with check valve

Effective date of registration: 20230106

Granted publication date: 20190827

Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Huishan branch

Pledgor: WUXI BOIT TECHNOLOGY Co.,Ltd.

Registration number: Y2023980030573