CN205228531U - Diameter -variable double containment flowmeter - Google Patents
Diameter -variable double containment flowmeter Download PDFInfo
- Publication number
- CN205228531U CN205228531U CN201521015363.9U CN201521015363U CN205228531U CN 205228531 U CN205228531 U CN 205228531U CN 201521015363 U CN201521015363 U CN 201521015363U CN 205228531 U CN205228531 U CN 205228531U
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- CN
- China
- Prior art keywords
- measuring tube
- air chamber
- spring leaf
- target
- dual seal
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model provides a diameter -variable double containment flowmeter, including surveying buret and passing through the connected integrating instrument of air chamber seat, still including the cantilever beam type sensor of assembly in air chamber seat, cantilever beam type sensor includes assembly section, the section of meeting an emergency, the target pole that is used for with air chamber seat double containment be assembled between/be connected between, assembly section, the section of meeting an emergency, target pole are integrated into one piece's elastomer, be equipped with the reducing pipe in the survey buret, small -bore end position in the one end of surveying buret drainage direction place of reducing pipe, target pole lower extreme is connected with the spring leaf, the spring leaf runs through the reducing pipe, the lower extreme of spring leaf is connected with target, the both ends of surveying buret are connected with the flange through the connector. The utility model discloses a cantilever beam sensor, the precision is high, sensitivity is high, stability good. Install the reducing pipe in the survey buret, the effect of debugging has been played in the setting of reducing pipe, lets the differential pressure that gets into the interior medium of survey buret get off, plays the effect of protection pipeline and target and dominant discharge.
Description
Technical field
The utility model relates to flowmeter, refers to a kind of reducing type dual seal flowmeter especially.
Background technology
Metering is industrial eyes.Flow metering is one of ingredient of measuring science technology, and it and national economy, national defense construction, scientific research have close relationship.Carry out this work; to ensureing product quality, enhance productivity, the development of the technology that advances science all has important effect; particularly in energy crisis, current era that industrial production automation degree is more and more high, the role and effect of flowmeter in national economy is more obvious.
At present, measuring media flow velocity is considerably less lower than the flowmeter of 0.04s/m on the market; Basic being difficult to is measured; Even if having the flowmeter measuring extra small flow, its measuring accuracy be low, poor stability.And existing extra small flowmeter, complex structure, installation requirement is high, and Pressure Loss Ratio is larger.
Utility model content
The utility model proposes a kind of reducing type dual seal flowmeter, to solve in prior art low flow velocity flowmeter difficulty and measure extra small flow, measuring accuracy is low, poor stability and existing extra small flowmeter structure is complicated, safety requirements is high, crushing is larger technical matters.
The technical solution of the utility model is achieved in that a kind of reducing type dual seal flowmeter, comprise measuring tube and by the connected integrating meter of air chamber base, also comprise the beam type sensor be assemblied in air chamber base, described beam type sensor comprise for the load segment of air chamber base dual seal assembly connection, strain section, target bar, the elastic body that described load segment, strain section, target bar are formed in one;
Be equipped with reducer pipe in described measuring tube, the small-caliber end of described reducer pipe is positioned at the one end at place, measuring tube drainage direction; Described target bar lower end is connected with spring leaf, and described spring leaf runs through reducer pipe, and the lower end of described spring leaf is connected with target sheet; The two ends of described measuring tube are connected with flange by connector.
Wherein, the position near upper surface on described load segment is processed with seal groove, and the below of described seal groove is provided with sealing thread.
Particularly, the two ends of described measuring tube have ring groove.
Further, one end of described air chamber base is connected with integrating meter by transitional connection pipe, and the other end is connected with measuring tube by hollow Connection Block.
Further, the O RunddichtringO mated with it is provided with in described seal groove.
Further, the length of described target sheet is mated with the internal diameter of its place reducer pipe.
Further, the stress surface of described target sheet is provided with the bulge-structure for drainage.
Compared with prior art, the beneficial effects of the utility model are: adopt cantilever beam sensor, precision is high, highly sensitive, good stability.Adopt double sealing structure form, prevent process in metering process from occurring the phenomenons such as leakage, race, oil dripping.Meanwhile, power transferring structure mode is utilized to be connected with target sheet by target bar by spring leaf, in addition, be provided with reducer pipe in measuring tube, the setting of reducer pipe serves the effect of debugging, avoids in metering, low discharge cannot measure, and the difficulty that cannot change is fixed in reducing position.The setting of flange, is convenient to the connection of measuring tube.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of reducer pipe in Fig. 1;
Fig. 3 is the syndeton schematic diagram of measuring tube and Connection Block in the utility model;
Fig. 4 is the syndeton schematic diagram of measuring tube and flange in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
See Fig. 1 to Fig. 4, a kind of reducing type dual seal flowmeter, comprise measuring tube 1 and by the connected integrating meter 3 of air chamber base 2, also comprise the beam type sensor 5 be assemblied in air chamber base 2, described beam type sensor 5 comprise for the load segment of air chamber base 2 dual seal assembly connection, strain section, target bar 8, the elastic body that described load segment, strain section, target bar 8 are formed in one; Be equipped with reducer pipe 6 in described measuring tube 1, the small-caliber end of described reducer pipe 6 is positioned at the one end at place, measuring tube 1 drainage direction; Described target bar 8 lower end is connected with spring leaf 9, and described spring leaf 9 runs through reducer pipe 6, and the lower end of described spring leaf 9 is connected with target sheet 10; The two ends of described measuring tube 1 are connected with flange 7 by connector 11.The utility model adopts cantilever beam sensor 5, and precision is high, highly sensitive, good stability.Adopt double sealing structure form, prevent process in metering process from occurring the phenomenons such as leakage, race, oil dripping.Meanwhile, power transferring structure mode is utilized to be connected with target sheet 10 by target bar 8 by spring leaf 9, in addition, be provided with reducer pipe 6 in measuring tube 1, the setting of reducer pipe 6 serves the effect of debugging, avoids in metering, low discharge cannot measure, and the difficulty that cannot change is fixed in reducing position.The setting of flange 7, is convenient to the connection of measuring tube 1.
Elastic body adopts precise NC lathe time processing shaping, the position that described strain section is connected with load segment has fairlead, drawn from fairlead by the lead-in wire of beam type sensor 5, storage lead-in wire is convenient in the setting of fairlead, and whole beam type sensor 5 arrangement rationally, neatly.
Position near upper surface on described load segment is processed with seal groove, and be provided with the O RunddichtringO mated with it in described seal groove, the below of described seal groove is provided with sealing thread.Axial seal and thread seal is adopted between elastic component and air chamber base 2, position near upper surface on described load segment is processed with seal groove, the O RunddichtringO mated with it is provided with in described seal groove, the below of described seal groove is provided with sealing NPT60 ° of screw thread, then NPT60 ° of thread seal place is wound around unsintered tape.Sealing structure is simple, be easy to realize application, cost is low, and sealing effectiveness is better.
The two ends of described measuring tube 1 have ring groove 13, are provided with O-ring seal, make the better tightness between measuring tube 1 and flange 7, avoid medium to infiltrate in described ring groove 13.
One end of described air chamber base 2 is connected with integrating meter 3 by transitional connection pipe 4, and the other end is connected with measuring tube 1 by hollow Connection Block 12.The middle part of described measuring tube 1 is processed with a perpendicular connection and integrated hollow Connection Block 12, and connecting pipe and air chamber base 2 are locked by set nut.The two ends of described measuring tube 1 are connected with flange 7, are convenient to connect, install.Flange 7 has counter sink, is fixed by dormant bolt between described flange 7 and measuring tube 1.
The length of described target sheet 10 is mated with the internal diameter of its place reducer pipe 6, and target sheet 10 mainly plays the effect of transmission and drainage, when the length of target sheet 10 is less than the internal diameter of reducer pipe 6, measures inaccurate.
The stress surface of described target sheet 10 is provided with the bulge-structure for drainage, the setting of this bulge-structure, makes it have the effect of drainage, adds the function of target sheet 10; Meanwhile, the intensity of target sheet 10 stress surface is enhanced.
During assembling, in elastomeric seal groove, be inserted in O-ring seals, then after NPT60 ° of thread seal place is wound around unsintered tape, screwed in air chamber base 2.With outer-hexagonal bolt, spring leaf 9 is fixed on target bar 8 again, target sheet 10 with bolts on spring leaf 9, then by set nut, measuring tube 1 and air chamber base 2 is locked.Join reducer pipe 6, last mounting flange 7 measuring tube 1 is in-built.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a reducing type dual seal flowmeter, comprise measuring tube and by the connected integrating meter of air chamber base, it is characterized in that: also comprise the beam type sensor be assemblied in air chamber base, described beam type sensor comprise for the load segment of air chamber base dual seal assembly connection, strain section, target bar, the elastic body that described load segment, strain section, target bar are formed in one;
Be equipped with reducer pipe in described measuring tube, the small-caliber end of described reducer pipe is positioned at the one end at place, measuring tube drainage direction; Described target bar lower end is connected with spring leaf, and described spring leaf runs through reducer pipe, and the lower end of described spring leaf is connected with target sheet; The two ends of described measuring tube are connected with flange by connector.
2. reducing type dual seal flowmeter according to claim 1, is characterized in that: the position near upper surface on described load segment is processed with seal groove, and the below of described seal groove is provided with sealing thread.
3. reducing type dual seal flowmeter according to claim 1, is characterized in that: the two ends of described measuring tube have ring groove.
4. the reducing type dual seal flowmeter according to claim 1 or 2 or 3, is characterized in that: one end of described air chamber base is connected with integrating meter by transitional connection pipe, and the other end is connected with measuring tube by hollow Connection Block.
5. reducing type dual seal flowmeter according to claim 2, is characterized in that: be provided with the O RunddichtringO mated with it in described seal groove.
6. reducing type dual seal flowmeter according to claim 1, is characterized in that: the length of described target sheet is mated with the internal diameter of its place reducer pipe.
7. reducing type dual seal flowmeter according to claim 1, is characterized in that: the stress surface of described target sheet is provided with the bulge-structure for drainage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015363.9U CN205228531U (en) | 2015-12-08 | 2015-12-08 | Diameter -variable double containment flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015363.9U CN205228531U (en) | 2015-12-08 | 2015-12-08 | Diameter -variable double containment flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205228531U true CN205228531U (en) | 2016-05-11 |
Family
ID=55903588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521015363.9U Expired - Fee Related CN205228531U (en) | 2015-12-08 | 2015-12-08 | Diameter -variable double containment flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205228531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520583A (en) * | 2018-12-29 | 2019-03-26 | 重庆联大仪表有限公司 | A kind of small flow inserting-type flowmeter |
-
2015
- 2015-12-08 CN CN201521015363.9U patent/CN205228531U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520583A (en) * | 2018-12-29 | 2019-03-26 | 重庆联大仪表有限公司 | A kind of small flow inserting-type flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20191208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |