CN209310880U - Liquidometer with check valve - Google Patents
Liquidometer with check valve Download PDFInfo
- 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.)
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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
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.
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) |
-
2019
- 2019-01-28 CN CN201920134654.1U patent/CN209310880U/en active Active
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Legal Events
Date | Code | Title | Description |
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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 |