CN220770426U - Connection structure of differential pressure flowmeter - Google Patents
Connection structure of differential pressure flowmeter Download PDFInfo
- Publication number
- CN220770426U CN220770426U CN202322371186.9U CN202322371186U CN220770426U CN 220770426 U CN220770426 U CN 220770426U CN 202322371186 U CN202322371186 U CN 202322371186U CN 220770426 U CN220770426 U CN 220770426U
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- flange
- differential pressure
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- positioning
- groove
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- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 42
- 125000003003 spiro group Chemical group 0.000 claims description 9
- 239000012530 fluid Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a connecting structure of a differential pressure flowmeter, which comprises a connecting flange and a fixing flange, wherein the end part of the connecting flange is welded and fixed with a liquid inlet pipe, one side of the connecting flange far away from the liquid inlet pipe is uniformly fixed with the fixing flange through eight groups of bolts, meanwhile, the fixing flange is arranged to be two groups of bolts respectively arranged at two sides of the bottom of a differential pressure flowmeter body, a display is arranged on the differential pressure flowmeter body, and two groups of differential pressure pipes are arranged at the bottom of the differential pressure flowmeter body. This differential pressure flowmeter's connection structure, with locating piece joint in the inside of constant head tank, the flange of this moment, eight groups of mounting holes on the flange are in the state of intercommunication, can carry out quick installation fixed work with flange, flange through the bolt, need not to rotate differential pressure flowmeter body or feed liquor pipe, aim at the work with the mounting hole on two sets of ring flanges, when installing, labour saving and time saving.
Description
Technical Field
The utility model relates to the field of differential pressure flowmeters, in particular to a connecting structure of a differential pressure flowmeter.
Background
The differential pressure flowmeter is based on the principle of fluid flow, realizes flow measurement by utilizing pressure difference generated when fluid passes through a throttling device, is widely applied to industries such as petrochemical industry, food and beverage, pharmacy, energy and the like, and is one of the most mature and most commonly used methods for measuring flow in current production, however, most of the existing differential pressure flowmeters cannot be conveniently installed and detached, and are inconvenient to maintain or replace.
To solve the above problems, the prior art publication (application number: CN 201921411429.4) is a differential pressure flowmeter that is easy to install; it is proposed that 'two' stud (3) are inserted at the adjacent one end tip of survey pipe (1), stud (3) surface threaded connection has nut (4), two survey pipe (1) adjacent one side is inserted and is had throttle plate (2), and throttle plate (2) surface fixed mounting has two sealing washer, two survey pipe (1) top uses throttle plate (2) as the symmetrical welding of center has two to draw pressure pipe (5), and two draw pressure pipe (5) and survey pipe (1) inside intercommunication, "when the differential pressure flowmeter installs on the pipeline, installs work through flange on the differential pressure flowmeter and the flange on the pipeline, and two sets of flange need aim at the perforation on two sets of flange after the intercommunication, and the weight of pipeline and differential pressure flowmeter is great, when pipeline or differential pressure flowmeter are carrying out position adjustment for the multiunit perforation on two sets of flange is the intercommunication setting, wastes time and energy.
Disclosure of Invention
The present utility model is directed to a connection structure of a differential pressure flowmeter, which solves the above-mentioned drawbacks of the related art.
In order to achieve the above purpose, a connection structure of a differential pressure flowmeter is provided, which comprises a connection flange and a fixing flange, wherein the end part of the connection flange is welded and fixed with a liquid inlet pipe, one side of the connection flange far away from the liquid inlet pipe is uniformly fixed with the fixing flange through eight groups of bolts, meanwhile, the fixing flange is arranged to be two groups of bolts respectively arranged at two sides of the bottom of the differential pressure flowmeter body, a display is arranged on the differential pressure flowmeter body, and two groups of differential pressure pipes are arranged at the bottom of the differential pressure flowmeter body;
the locating seat is fixedly installed on the inner wall of the connecting flange, the locating block is fixedly installed on the surface of the locating seat, meanwhile, the locating block is arranged opposite to the locating plate, locating grooves are formed in the surface of the locating plate, and eight groups of installation holes are uniformly formed in the outer sides of the connecting flange and the outer sides of the fixing flange.
Preferably, the positioning blocks and the positioning plates are arranged in two groups, the positioning blocks and the positioning plates are arc-shaped, and meanwhile, the positioning blocks are matched with the positioning grooves formed in the positioning plates in size.
Preferably, the locating block is inserted into the locating groove, the connecting flange and the fixing flange are positioned and installed through the locating block and the locating groove, and meanwhile eight groups of installation holes of the locating block, which are inserted into the connecting flange and the fixing flange in the locating groove, are in a communicated state.
Preferably, the outside of positioning seat is offered the spacing groove, and the spiro union hole is offered to the bottom of spacing groove, and spacing groove internally mounted filter plate simultaneously to fixing bolt passes the filter plate spiro union and is in the spiro union hole inside of seting up in spacing groove bottom.
Preferably, the inner walls of the connecting flange and the fixing flange are provided with sealing ring grooves, and the connecting flange and the fixing flange are in sealing connection through the sealing ring grooves and sealing gaskets covered in the sealing ring grooves.
Preferably, the thickness of the two groups of sealing ring grooves is smaller than that of the sealing gasket, and the two groups of sealing ring grooves are combined to form the sealing groove, and meanwhile the sealing gasket is in interference fit with the sealing groove.
Compared with the prior art, the utility model has the beneficial effects that: the positioning block is clamped in the positioning groove, eight groups of mounting holes on the connecting flange and the fixing flange are in a communicated state, and the connecting flange and the fixing flange can be quickly mounted and fixed through bolts without rotating a differential pressure flowmeter body or a liquid inlet pipe, so that the mounting holes on the two groups of flange plates are aligned, and time and labor are saved during mounting.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is a schematic view of a connecting flange and a fixed flange of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at A in FIG. 2;
fig. 4 is a side view of the structural attachment flange of the present utility model.
Reference numerals in the drawings: 1. a display; 2. a differential pressure flow meter body; 3. a differential pressure tube; 4. a liquid inlet pipe; 5. a connecting flange; 6. a fixed flange; 7. a mounting hole; 8. sealing ring grooves; 9. a sealing gasket; 10. a positioning seat; 11. a positioning block; 12. a positioning plate; 13. a positioning groove; 14. a limit groove; 15. a filter plate; 16. and (5) fixing bolts.
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. 1-4, the utility model provides a connection structure of a differential pressure flowmeter, which comprises a connection flange 5 and a fixing flange 6, wherein the end part of the connection flange 5 is welded and fixed with a liquid inlet pipe 4, eight groups of bolts are uniformly used for fixing one side, far away from the liquid inlet pipe 4, of the connection flange 5 and the fixing flange 6, meanwhile, the fixing flange 6 is arranged to be respectively arranged at two groups of two sides of the bottom of a differential pressure flowmeter body 2, a display 1 is arranged on the differential pressure flowmeter body 2, and two groups of differential pressure pipes 3 are arranged at the bottom of the differential pressure flowmeter body 2;
the positioning seat 10 is fixedly installed on the inner wall of the connecting flange 5, the positioning block 11 is fixedly installed on the surface of the positioning seat 10, meanwhile, the positioning block 11 is oppositely arranged with the positioning plate 12, the surface of the positioning plate 12 is provided with the positioning groove 13, and the outer sides of the connecting flange 5 and the fixing flange 6 are uniformly provided with eight groups of installation holes 7.
Working principle: when the differential pressure flowmeter body 2 is installed with the liquid inlet pipe 4, firstly, the connecting flange 5 at the end part of the liquid inlet pipe 4 is moved to the position of the fixing flange 6 on the differential pressure flowmeter body 2, the positioning block 11 is clamped in the positioning groove 13, and the connecting flange 5 and eight groups of installation holes 7 on the fixing flange 6 are in a communicated state, so that the connecting flange 5 and the fixing flange 6 can be quickly installed and fixed through bolts, the differential pressure flowmeter body 2 or the liquid inlet pipe 4 does not need to be rotated, and the installation holes 7 on the two groups of flange plates are aligned, so that time and labor are saved when the differential pressure flowmeter is installed; the connection between the differential pressure flowmeter body 2 and the liquid discharge pipe is the same as described above, and will not be described here again.
The positioning block 11 and the positioning plate 12 are arranged in two groups, the positioning block 11 and the positioning plate 12 are arranged in an arc shape, and meanwhile, the positioning block 11 is matched with the positioning groove 13 formed in the positioning plate 12 in size. As shown in fig. 1-2: the positioning block 11 is arranged opposite to the positioning plate 12, and when the connecting flange 5 and the fixing flange 6 are installed, the positioning block 11 is inserted into the positioning groove 13 formed in the positioning plate 12 at first, so that the fixing work of the connecting flange 5 and the fixing flange 6 is completed.
The positioning block 11 is inserted into the positioning groove 13, the connecting flange 5 and the fixing flange 6 are positioned and installed through the positioning block 11 and the positioning groove 13, and meanwhile, the eight groups of installation holes 7 inserted into the connecting flange 5 and the fixing flange 6 in the positioning groove 13 are in a communicated state. As shown in fig. 1-4: the positioning block 11 is inserted into the positioning groove 13, and eight groups of mounting holes 7 on the connecting flange 5 and the fixing flange 6 are in a communicated state, so that the connecting flange 5 and the fixing flange 6 can be conveniently fixed by eight groups of bolts.
The outside of positioning seat 10 is offered spacing groove 14, and the spiro union hole is offered to the bottom of spacing groove 14, simultaneously spacing groove 14 internally mounted filter plate 15 to fixing bolt 16 passes filter plate 15 spiro union in the spiro union hole that the spacing groove 14 bottom was offered inside. As shown in fig. 1-4: the fixing bolt 16 passes through the filter plate 15 and is in the screw connection hole that the spacing groove 14 bottom was offered inside, can fix a position the filter plate 15 and install in the inside of flange 5, and the setting of filter plate 15 can filter impurity in the fluid, avoids impurity to cause the jam to differential pressure pipe 3.
The inner walls of the connecting flange 5 and the fixing flange 6 are respectively provided with a sealing ring groove 8, and the connecting flange 5 and the fixing flange 6 are in sealing connection through the sealing ring grooves 8 and sealing gaskets 9 covered in the sealing ring grooves 8. The combined thickness of the two groups of sealing ring grooves 8 is smaller than the thickness of the sealing gasket 9, and the two groups of sealing ring grooves 8 are combined to form a sealing groove, and meanwhile the sealing gasket 9 is in interference fit with the sealing groove. As shown in fig. 2-4: after the connecting flange 5 and the fixing flange 6 are in threaded connection and are mounted, the connecting flange 5 and the fixing flange 6 are sealed by a sealing gasket 9 made of rubber materials, two groups of sealing ring grooves 8 are combined together to form a sealing groove, meanwhile, the sealing gasket 9 is in interference fit with the sealing groove, the sealing gasket 9 is pressed to be flat, gaps between the connecting flange 5 and the fixing flange 6 can be sealed, and the situation of leakage and leakage between the connecting flange 5 and the fixing flange 6 is avoided.
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 (6)
1. The utility model provides a differential pressure flowmeter's connection structure, includes flange (5) and mounting flange (6), its characterized in that: the end part of the connecting flange (5) is welded and fixed with the liquid inlet pipe (4), one side of the connecting flange (5) far away from the liquid inlet pipe (4) and the fixing flange (6) are uniformly fixed through eight groups of bolts, meanwhile, the fixing flange (6) is arranged to be installed at two groups of two sides of the bottom of the differential pressure flowmeter body (2), the display (1) is installed on the differential pressure flowmeter body (2), and the two groups of differential pressure pipes (3) are installed at the bottom of the differential pressure flowmeter body (2);
the locating seat (10) is fixedly installed on the inner wall of the connecting flange (5), the locating block (11) is fixedly installed on the surface of the locating seat (10), meanwhile, the locating block (11) is arranged opposite to the locating plate (12), the locating groove (13) is formed in the surface of the locating plate (12), and eight groups of installation holes (7) are uniformly formed in the outer sides of the connecting flange (5) and the fixing flange (6).
2. The connection structure of a differential pressure flow meter according to claim 1, wherein: the positioning blocks (11) and the positioning plates (12) are arranged in two groups, the positioning blocks (11) and the positioning plates (12) are arranged in an arc shape, and meanwhile, the positioning blocks (11) are matched with positioning grooves (13) formed in the positioning plates (12) in size.
3. The connection structure of a differential pressure flow meter according to claim 2, wherein: the positioning block (11) is inserted into the positioning groove (13), the connecting flange (5) and the fixing flange (6) are positioned and installed through the positioning block (11) and the positioning groove (13), and meanwhile, the eight groups of mounting holes (7) inserted into the connecting flange (5) and the fixing flange (6) in the positioning groove (13) are in a communicated state.
4. The connection structure of a differential pressure flow meter according to claim 1, wherein: the outside of positioning seat (10) is offered spacing groove (14), and the spiro union hole is offered to the bottom of spacing groove (14), simultaneously spacing groove (14) internally mounted filter plate (15) to fixing bolt (16) pass filter plate (15) spiro union in the spiro union hole that the bottom of spacing groove (14) was offered inside.
5. The connection structure of a differential pressure flow meter according to claim 1, wherein: the inner walls of the connecting flange (5) and the fixing flange (6) are respectively provided with a sealing ring groove (8), and the connecting flange (5) and the fixing flange (6) are in sealing connection through the sealing ring grooves (8) and sealing gaskets (9) covered in the sealing ring grooves (8).
6. The connection structure of a differential pressure flow meter according to claim 5, wherein: the thickness of the two groups of sealing ring grooves (8) is smaller than that of the sealing gasket (9), the two groups of sealing ring grooves (8) are combined to form a sealing groove, and the sealing gasket (9) is in interference fit with the sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322371186.9U CN220770426U (en) | 2023-09-01 | 2023-09-01 | Connection structure of differential pressure flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322371186.9U CN220770426U (en) | 2023-09-01 | 2023-09-01 | Connection structure of differential pressure flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220770426U true CN220770426U (en) | 2024-04-12 |
Family
ID=90613456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322371186.9U Active CN220770426U (en) | 2023-09-01 | 2023-09-01 | Connection structure of differential pressure flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220770426U (en) |
-
2023
- 2023-09-01 CN CN202322371186.9U patent/CN220770426U/en active Active
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| GR01 | Patent grant |