CN219368829U - Anti-leakage thermal mass flowmeter - Google Patents
Anti-leakage thermal mass flowmeter Download PDFInfo
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- CN219368829U CN219368829U CN202320221876.3U CN202320221876U CN219368829U CN 219368829 U CN219368829 U CN 219368829U CN 202320221876 U CN202320221876 U CN 202320221876U CN 219368829 U CN219368829 U CN 219368829U
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- 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
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Abstract
The utility model discloses a leakage-proof thermal mass flowmeter, which comprises a flowmeter shell, wherein a connecting rod is arranged below the flowmeter shell, a connecting pipeline is arranged below the connecting rod, connecting ends are arranged on two sides of the connecting pipeline, an external pipeline is arranged on one side outside the connecting ends, and a sealing gasket is arranged at the joint of the external pipeline and the connecting ends; the locating sleeve is fixedly arranged on the outer side of the connecting end head, a locating bolt is arranged in the locating sleeve, and an anti-falling plate is arranged on the outer side of the external pipeline. This thermal mass flowmeter who prevents leaking compares with current device, is convenient for connect fixedly between connecting tube and the external pipeline through the connecting end, can increase the connection compactness between connecting tube and the external pipeline through sealing washer, prevents that the gap from causing the seepage, and the anticreep board can play spacing effect to positioning bolt to can prevent that positioning bolt from taking off.
Description
Technical Field
The utility model relates to the technical field of flowmeters, in particular to a leakage-proof thermal mass flowmeter.
Background
The thermal mass flowmeter is a flow meter which measures the mass flow of fluid by utilizing the change of a temperature field generated when the fluid flows through a pipeline heated by an external heat source or by utilizing the relation between the energy required by the temperature of the fluid to rise by a certain value and the mass of the fluid when the fluid is heated, is generally used for measuring the mass flow of gas and has low pressure loss; the flow range is large; high precision, high repeatability and high reliability; no movable parts, and can be used for monitoring and controlling extremely low gas flow.
The Chinese patent with the publication number of CN217179684U discloses a thermal type gas mass flowmeter, which belongs to the flowmeter field, and comprises a mounting base, wherein a bearing is inlaid on the upper end face of the mounting base, the inner ring wall of the bearing is connected with a rotating rod, the upper end of the rotating rod is connected with a supporting plate, an adjusting component is arranged on the upper end of the supporting plate, a flowmeter body is arranged at the upper end of the adjusting component, a movable groove is arranged at the upper end of the mounting base, a movable block is slidably connected in the movable groove, the upper end of the movable block penetrates through a notch of the movable groove and extends upwards and is connected with a connecting block, an inner groove wall fixedly connected with spring on one side of the movable groove, and the other end of the spring is connected to a side wall corresponding to the movable block. The utility model provides a not enough of prior art has been overcome to this application, through mount pad, bearing, dwang, backup pad, flowmeter body, movable groove, movable block, connecting block, spring, gag lever post, spacing dish and spacing groove between the isotructure mutually support come the angle of adjusting the flowmeter to, satisfy different user's demand, improve the suitability of device.
The above-mentioned leak-proof thermal mass flowmeter's mounting structure is comparatively simple, lacks antiseep reinforced structure in the junction, and connection structure leakproofness is not enough first to produce the gap, leads to circulating medium to reveal from junction gap in the use, influences result of use and detection precision, and for this reason, we propose a leak-proof thermal mass flowmeter.
Disclosure of Invention
The utility model aims to provide a leakage-proof thermal mass flowmeter, which solves the problems that in the background technology, the installation structure of the leakage-proof thermal mass flowmeter is simpler, the joint is lack of a leakage-proof reinforcing structure, the joint is not enough in tightness, a gap is generated, a flowing medium is leaked from the gap at the joint in the use process, and the use effect and the detection precision are affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a leak-proof thermal mass flow meter comprising:
the connecting rod is arranged below the flowmeter shell, a connecting pipeline is arranged below the connecting rod, a detection probe is arranged in the middle of the connecting pipeline, connecting ends are arranged on two sides of the connecting pipeline, an external pipeline is arranged on one side outside the connecting ends, and a sealing gasket is arranged at the joint of the external pipeline and the connecting ends;
the positioning sleeve is fixedly arranged at the outer side of the connecting end, a positioning bolt is arranged in the positioning sleeve, and an anti-falling plate is arranged at the outer side of the external pipeline;
the filter disc is arranged on two sides in the connecting pipeline, a water filtering net surface is arranged in the filter disc, and a positioning arc plate is connected above the filter disc.
Preferably, the connecting end is fixedly connected with the connecting pipeline, the connecting end is matched with the external pipeline in size, and an elastic structure is formed between the connecting end and the external pipeline through a sealing gasket.
Preferably, the positioning bolt penetrates through the positioning sleeve, and the connecting end is connected with the external pipeline through the positioning sleeve and the positioning bolt.
Preferably, the anti-falling plate is perpendicular to the positioning bolt, and the anti-falling plate is connected with the connecting pipe through the bolt.
Preferably, the filter plate is clamped with the connecting pipeline through a positioning arc plate, the positioning arc plate is connected with the connecting pipeline through a bolt, and the water filtering net surface is of a hollowed-out net structure.
Preferably, the connecting rod is further provided with:
the rotating plate is sleeved on the outer side of the connecting rod, a return spring is arranged on one side below the rotating plate, and a telescopic rod is connected below the return spring.
Preferably, the telescopic rod is further provided with:
the locating clamping plate is arranged below the telescopic rod, a plurality of clamping grooves are formed in the upper end face of the locating clamping plate, the clamping grooves are matched with the telescopic rod in size, and an elastic telescopic structure is formed between the telescopic rod and the clamping grooves through the return spring.
Compared with the prior art, the utility model provides a leakage-proof thermal mass flowmeter, which has the following beneficial effects:
according to the utility model, the connecting end is convenient for connecting and fixing the connecting pipeline and the external pipeline, the connecting tightness between the connecting pipeline and the external pipeline can be increased through the sealing gasket, leakage caused by gaps is prevented, the positioning bolt can position the positioning sleeve and the external pipeline, so that the connecting pipeline and the external pipeline can be relatively fixed, the anti-falling plate can limit the positioning bolt, so that the positioning bolt can be prevented from loosening, the anti-falling plate can be rotated through the tightness of the adjusting bolt, the positioning bolt can be conveniently assembled and disassembled, the problem that the installation structure of the anti-leakage thermal mass flowmeter is simpler, the anti-leakage reinforcing structure is lack at the connecting position, the gap is generated due to insufficient sealing performance of the connecting structure, and the circulating medium leaks from the gaps at the connecting position in the use process, so that the use effect and the detection precision are affected is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the connecting pipe according to the present utility model;
FIG. 3 is a side view of the connection of the connecting tube to the filter sheet of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 5 is a schematic view of the structure of the positioning board of the present utility model.
In the figure: 1. a flowmeter housing; 2. a connecting rod; 3. a connecting pipe; 4. a connecting end; 5. a sealing gasket; 6. externally connected pipelines; 7. a positioning sleeve; 8. positioning bolts; 9. an anti-drop plate; 10. a detection probe; 11. a filter sheet; 12. a water filtering screen surface; 13. positioning an arc plate; 14. a rotating plate; 15. positioning a clamping plate; 16. a clamping groove; 17. a telescopic rod; 18. and a return spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a leak-proof thermal mass flow meter, comprising: the flowmeter comprises a flowmeter shell 1, wherein a connecting rod 2 is arranged below the flowmeter shell 1, a connecting pipeline 3 is arranged below the connecting rod 2, a detection probe 10 is arranged in the middle of the connecting pipeline 3, connecting ends 4 are arranged on two sides of the connecting pipeline 3, an external connecting pipeline 6 is arranged on one side outside the connecting ends 4, and a sealing gasket 5 is arranged at the joint of the external connecting pipeline 6 and the connecting ends 4; the connecting end 4 is fixedly connected with the connecting pipeline 3, the sizes of the connecting end 4 and the external pipeline 6 are matched, and an elastic structure is formed between the connecting end 4 and the external pipeline 6 through the sealing gasket 5; the connecting end 4 is convenient for connecting and fixing the connecting pipeline 3 and the external pipeline 6, and the sealing gasket 5 can increase the connection tightness between the connecting pipeline 3 and the external pipeline 6 and prevent leakage caused by gaps; the positioning sleeve 7 is fixedly arranged on the outer side of the connecting end 4, a positioning bolt 8 is arranged in the positioning sleeve 7, the positioning bolt 8 penetrates through the positioning sleeve 7, and the connecting end 4 is connected with the external pipeline 6 through the positioning sleeve 7 and the positioning bolt 8; the positioning bolts 8 can position the positioning sleeve 7 and the external pipeline 6, so that the connecting pipeline 3 and the external pipeline 6 can be relatively fixed; the outside of the external pipeline 6 is provided with an anti-falling plate 9; the anti-falling plate 9 is mutually perpendicular to the positioning bolt 8, and the anti-falling plate 9 is connected with the connecting pipeline 3 through the bolt; the anti-falling plate 9 can play a limiting role on the positioning bolt 8, so that the positioning bolt 8 can be prevented from loosening, and the anti-falling plate 9 can be rotated by adjusting the tightness of the bolt, so that the positioning bolt 8 can be conveniently assembled and disassembled; the filter plates 11 are arranged at two sides in the connecting pipeline 3, a water filtering net surface 12 is arranged in the filter plates 11, and a positioning arc plate 13 is connected above the filter plates 11; the filter disc 11 is clamped with the connecting pipeline 3 through the positioning arc plate 13, the positioning arc plate 13 is connected with the connecting pipeline 3 through bolts, and the water filtering net surface 12 is of a hollowed-out net structure; the medium that the fretwork network structure's in the filter disc 11 drainage screen 12 can filter to flow through to can avoid impurity to block up the pipeline, also can improve the accuracy of detection simultaneously, can with connecting tube 3 mutual block through location arc 13, thereby can be convenient for filter disc 11 and connecting tube 3's mutual dismouting.
Referring to fig. 1, 4 and 5, a leak-proof thermal mass flow meter, comprising: the rotating plate 14 is sleeved on the outer side of the connecting rod 2, one side below the rotating plate 14 is provided with a return spring 18, and the lower part of the return spring 18 is connected with a telescopic rod 17; the positioning clamping plate 15 is arranged below the telescopic rod 17, a plurality of clamping grooves 16 are formed in the upper end face of the positioning clamping plate 15, the clamping grooves 16 are matched with the telescopic rod 17 in size, and the return springs 18 form an elastic telescopic structure through the telescopic rod 17 and the clamping grooves 16; can drive flowmeter casing 1 and telescopic link 17 through rotating plate 14 and rotate to can be convenient for rotate flowmeter casing 1 to suitable angle, can drive telescopic link 17 through return spring 18 and carry out the removal of relative direction, thereby can remove telescopic link 17 to corresponding draw-in groove 16 department, through telescopic link 17 and draw-in groove 16 and the mutual block of location cardboard 15, reach the effect of adjusting flowmeter casing 1 angle.
Working principle: in the anti-leakage thermal mass flowmeter, the connecting pipeline 3 and the external pipeline 6 are connected and fixed, the connecting ends 4 at two sides are aligned, the connecting pipeline 3 and the external pipeline 6 are connected, the sealing gasket 5 increases the connection tightness between the connecting pipeline 3 and the external pipeline 6, and the positioning sleeve 7 and the external pipeline 6 are positioned through the positioning bolt 8, so that the connecting pipeline 3 and the external pipeline 6 can be relatively fixed; secondly, the positioning bolt 8 is limited through the anti-falling plate 9, so that the positioning bolt 8 can be prevented from loosening, the anti-falling plate 9 is rotated to an angle consistent with the positioning bolt 8, and the positioning bolt 8 can be limited and prevented from falling by tightening the bolt; when the angle of the flowmeter shell 1 needs to be adjusted, the flowmeter shell 1 and the telescopic rod 17 are driven to rotate through the rotating plate 14, after the flowmeter shell 1 is rotated to a proper angle, the telescopic rod 17 is clamped into the corresponding clamping groove 16, and the telescopic rod 17 is driven to move in the opposite direction through the return spring 18, so that the telescopic rod 17 and the positioning clamping plate 15 can be mutually clamped; finally, the flowing medium can be filtered through the water filtering net surface 12 of the hollowed-out net structure in the filter disc 11, so that the impurity blocking of a pipeline can be avoided, meanwhile, the accuracy of the detection probe 10 on medium detection can be improved, the detection probe 10 consists of two reference-level thermal resistors, one is a speed sensor, and the other is a temperature sensor for measuring the temperature change of gas. When the two thermal resistors are placed in the detected gas in the pipeline, the speed sensor is heated, the other temperature sensor is used for measuring the temperature of the gas, the flow rate of the gas is increased, the carried heat is increased, the temperature of the temperature sensor is reduced, the temperature change value of the temperature sensor and the temperature change value of the temperature sensor are just linear shares with the mass flow rate of the gas passing through the pipeline, the mass flow rate of the gas can be calculated according to the operation principle, the connecting pipeline 3 is clamped with each other through the positioning arc plate 13, the filter disc 11 and the connecting pipeline 3 are convenient to be assembled and disassembled with each other, and the operation principle of the leakage-proof thermal mass flowmeter is that the leakage-proof thermal mass flowmeter is operated.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A leak-proof thermal mass flow meter, comprising:
the flowmeter comprises a flowmeter shell (1), wherein a connecting rod (2) is arranged below the flowmeter shell (1), a connecting pipeline (3) is arranged below the connecting rod (2), a detection probe (10) is arranged in the middle of the connecting pipeline (3), connecting ends (4) are arranged on two sides of the connecting pipeline (3), an external connecting pipeline (6) is arranged on one side outside the connecting ends (4), and a sealing gasket (5) is arranged at the joint of the external connecting pipeline (6) and the connecting ends (4);
the positioning sleeve (7) is fixedly arranged at the outer side of the connecting end head (4), a positioning bolt (8) is arranged in the positioning sleeve (7), and an anti-falling plate (9) is arranged at the outer side of the external pipeline (6);
the filter disc (11) is arranged on two sides in the connecting pipeline (3), a water filtering net surface (12) is arranged in the filter disc (11), and a positioning arc plate (13) is connected above the filter disc (11).
2. A leak-proof thermal mass flowmeter according to claim 1, characterized in that the connecting end (4) is fixedly connected with the connecting pipe (3), the dimensions of the connecting end (4) and the external pipe (6) are matched, and the connecting end (4) and the external pipe (6) form an elastic structure through a sealing gasket (5).
3. The leak-proof thermal mass flowmeter of claim 1, wherein the positioning bolt (8) penetrates through the positioning sleeve (7), and the connecting end (4) is connected with the external pipeline (6) through the positioning sleeve (7) and the positioning bolt (8).
4. A leak-proof thermal mass flowmeter according to claim 1, characterized in that the anti-slip plate (9) is perpendicular to the positioning bolts (8), and that the anti-slip plate (9) is connected to the connecting pipe (3) by bolts.
5. The leak-proof thermal mass flowmeter of claim 1, wherein the filter plate (11) is mutually clamped with the connecting pipeline (3) through a positioning arc plate (13), the positioning arc plate (13) is connected with the connecting pipeline (3) through a bolt, and the water filtering net surface (12) is of a hollowed-out net structure.
6. A leak-proof thermal mass flowmeter according to claim 1, characterized in that said connecting rod (2) is further provided with:
the rotating plate (14) is sleeved on the outer side of the connecting rod (2), a return spring (18) is arranged on one side below the rotating plate (14), and a telescopic rod (17) is connected below the return spring (18).
7. A leak-proof thermal mass flowmeter according to claim 6, characterized in that said telescopic rod (17) is further provided with:
the positioning clamping plate (15) is arranged below the telescopic rod (17), a plurality of clamping grooves (16) are formed in the upper end face of the positioning clamping plate (15), the clamping grooves (16) are matched with the telescopic rod (17) in size, and an elastic telescopic structure is formed between the telescopic rod (17) and the clamping grooves (16) through the return spring (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320221876.3U CN219368829U (en) | 2023-02-15 | 2023-02-15 | Anti-leakage thermal mass flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320221876.3U CN219368829U (en) | 2023-02-15 | 2023-02-15 | Anti-leakage thermal mass flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219368829U true CN219368829U (en) | 2023-07-18 |
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ID=87138937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320221876.3U Active CN219368829U (en) | 2023-02-15 | 2023-02-15 | Anti-leakage thermal mass flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219368829U (en) |
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2023
- 2023-02-15 CN CN202320221876.3U patent/CN219368829U/en active Active
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