CN216621328U - Differential pressure type flow meter connecting structure convenient to disassemble and replace - Google Patents
Differential pressure type flow meter connecting structure convenient to disassemble and replace Download PDFInfo
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- CN216621328U CN216621328U CN202123202431.0U CN202123202431U CN216621328U CN 216621328 U CN216621328 U CN 216621328U CN 202123202431 U CN202123202431 U CN 202123202431U CN 216621328 U CN216621328 U CN 216621328U
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Abstract
The utility model is suitable for the technical field of differential pressure flowmeters, and provides a connecting structure for a differential pressure flowmeter, which is convenient to disassemble and replace and comprises a connecting pipeline, a measuring mechanism and two connecting mechanisms; the two connecting mechanisms are arranged at one end of the top of the connecting pipeline, and the measuring mechanism is arranged at the top of the connecting pipeline and is positioned between the two connecting mechanisms; the measuring mechanism comprises an accommodating shell with an open bottom. This differential flowmeter connection structure convenient to dismantle and change, dismantle the back through dismantling bolt from last ring flange and lower ring flange, can take out the inside of dismantling the bolt through the access hole, it rises to rotate the turning handle drive rotation bolt by the manual work again, pull out in the inside of connector the bottom that will rotate the bolt, it removes to the outside to rotate the diaphragm, remove fixedly to holding the shell, the manual work can be with holding the shell and dismantle from the top of connecting tube and get off, and easy operation is quick, be convenient for the manual work to flow transducer dismantles operations such as maintenance change.
Description
Technical Field
The utility model belongs to the technical field of differential pressure flowmeters, and particularly relates to a connecting structure for a differential pressure flowmeter, which is convenient to disassemble and replace.
Background
A differential pressure flowmeter is an instrument for measuring flow, which measures the flow by measuring the differential pressure on the basis of the principle that there is a certain relation between the pressure difference and the flow generated when the fluid flows through a throttling device, which is a local contraction element installed in a pipeline and is most commonly provided with a pore plate, a nozzle and a Venturi tube.
At present, a differential pressure flowmeter is widely applied to industries such as petrochemical industry, food and beverage, pharmacy, energy and the like, is one of the most mature and common methods for measuring flow in the current production, however, most of the existing differential pressure flowmeters are fixed by welding and cannot be conveniently installed and disassembled, so that the maintenance or the replacement is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connecting structure for a differential pressure type flowmeter, which is convenient to disassemble and replace and aims to solve the problem that most of the existing differential pressure flowmeters are fixed by welding and cannot be conveniently assembled and disassembled, so that the maintenance or the replacement is inconvenient.
The utility model is realized in this way, a connecting structure for differential pressure type flowmeter convenient to dismantle and replace, including connecting pipe, measuring mechanism and two connecting mechanisms;
the two connecting mechanisms are arranged at one end of the top of the connecting pipeline, and the measuring mechanism is arranged at the top of the connecting pipeline and is positioned between the two connecting mechanisms;
the measuring mechanism comprises an accommodating shell with an opening at the bottom, the accommodating shell is arranged at the top of the connecting pipeline, a flow transmitter is arranged at the top of the accommodating shell, a sensor is arranged in an inner cavity of the accommodating shell, and the sensor is connected with the flow transmitter through a connecting wire;
the sensor is provided with two pressure pipes corresponding to the pressure pipes, the bottom end of each pressure pipe is provided with an upper flange plate, the top end of each pressure pipe is provided with a lower flange plate, and the lower flange plate is detachably connected with the upper flange plate through a dismounting bolt;
the front of holding the shell has seted up the access hole, the front of holding the shell be provided with the cap of access hole looks adaptation.
Preferably, the surface of the shell cover is fixedly connected with a rubber strip, and the front face of the accommodating shell is provided with a sealing groove matched with the rubber strip.
Preferably, the upper part of the front surface of the accommodating shell is fixedly connected with a fixing plate, a bayonet lock is arranged on the fixing plate in a drawable manner, and a clamping ring matched with the bayonet lock is arranged on the surface of the shell cover.
Preferably, the connecting mechanism comprises a connecting rod, the connecting rod is vertically and fixedly connected to one end of the top of the connecting pipeline, a transverse plate is rotatably connected to the top end of the connecting rod, and a rotating bolt is connected to the transverse plate through vertical threads.
Preferably, the bottom of the two side faces of the accommodating shell is fixedly connected with a fixing block, and a connecting port matched with the rotating bolt is formed in the top of the fixing block.
Preferably, the top end of the rotating bolt is fixedly connected with a rotating handle.
Preferably, a display screen is arranged on the flow transmitter.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a connecting structure for a differential pressure type flowmeter convenient to disassemble and replace, which is characterized in that after a shell cover is opened manually, a disassembling bolt is disassembled from an upper flange plate and a lower flange plate, the disassembling bolt can be taken out through the inside of an access hole, then a rotating handle is rotated manually to drive the rotating bolt to ascend, the bottom end of the rotating bolt is pulled out from the inside of a connecting port, a rotating transverse plate is moved to the outside to remove a containing shell, the containing shell can be disassembled from the top of a connecting pipeline manually, the operation is simple and quick, the traditional welding fixation is replaced, the manual operations such as disassembling, overhauling, replacing and the like of a flow transmitter are convenient, the manual labor amount is reduced, the use requirement of personnel is better met, the closed shell cover is convenient to be fixed manually through a clamping ring and a clamping pin, the stability of plugging the access hole is improved, and a rubber strip and a sealing groove are arranged, the sealing performance of the shell cover for plugging the access hole is improved.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic structural view of the accommodating case and the case cover according to the present invention;
FIG. 4 is a schematic view of the structure of the access opening and the cover of the present invention.
In the figure: 1. connecting tube, 2, hold the shell, 3, the fixed block, 4, the connecting rod, 5, the diaphragm, 6, the rotation bolt, 7, the turning handle, 8, the connector, 9, the choke piece, 10, the pressure pipe, 11, lower flange dish, 12, the pressure pipe, 13, the upper flange dish, 14, the dismantlement bolt, 15, the sensor, 16, connecting wire, 17, flow transmitter, 18, the display screen, 19, the cap, 20, the access hole, 21, the seal groove, 22, the rubber strip, 23, the fixed plate, 24, the bayonet lock, 25, the snap ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-4, the present invention provides a technical solution: a connecting structure for a differential pressure type flowmeter convenient to disassemble and replace comprises a connecting pipeline 1, a measuring mechanism and two connecting mechanisms;
the two connecting mechanisms are arranged at one end of the top of the connecting pipeline 1, and the measuring mechanism is arranged at the top of the connecting pipeline 1 and positioned between the two connecting mechanisms;
the measuring mechanism comprises a containing shell 2 with an opening at the bottom, the containing shell 2 is arranged at the top of the connecting pipeline 1, a flow transmitter 17 is arranged at the top of the containing shell 2, a sensor 15 is arranged in the inner cavity of the containing shell 2, the sensor 15 is connected with the flow transmitter 17 through a connecting wire 16, and a throttling element 9 is arranged in the inner cavity of the connecting pipeline 1;
the sensor 15, the connecting leads 16, the throttle 9 and the flow transmitter 17 are prior art and will not be described in any greater detail here.
The top of the connecting pipeline 1 is communicated with two pressure sampling pipes 10, two pressure sampling pipes 12 corresponding to the pressure sampling pipes 10 are arranged on the sensor 15, an upper flange 13 is arranged at the bottom end of each pressure sampling pipe 12, a lower flange 11 is arranged at the top end of each pressure sampling pipe 10, and the lower flange 11 is detachably connected with the upper flange 13 through a dismounting bolt 14;
the dismounting bolt 14 is provided with a plurality of, all sets up the screw hole of a plurality of and dismounting bolt 14 looks adaptation on lower flange 11 and the last flange 13, and the manual work only needs to rotate the dismounting bolt 14 during the dismantlement, takes off the dismounting bolt 14 from the screw hole and can dismantle the intercommunication between upper flange 13 and the lower flange 11.
The pressure tapping pipe 10 and the pressure guiding pipe 12 can be connected after the accommodating shell 2 is manually placed at the top of the connecting pipeline 1, the upper flange 13 is in contact with the lower flange 11, and the upper flange 13 and the lower flange 11 are fixedly connected through the dismounting bolt 14 manually.
An access hole 20 is formed in the front face of the accommodating shell 2, and a shell cover 19 matched with the access hole 20 is arranged on the front face of the accommodating shell 2.
After the cover 19 is opened manually, the detaching bolts 14 are detached from the upper flange 13 and the lower flange 11, and then the detaching bolts 14 can be taken out through the inside of the access hole 20.
Further, the surface of the case cover 19 is fixedly connected with a rubber strip 22, and the front face of the accommodating case 2 is provided with a sealing groove 21 matched with the rubber strip 22.
In this embodiment, when the manual work was with cap 19 shutoff access hole 20, can drive rubber strip 22 and insert in the inside of seal groove 21, stability when improving the shutoff of access hole 20, leakproofness when improving cap 19 to access hole 20 shutoff.
Furthermore, a fixing plate 23 is fixedly connected to the upper portion of the front surface of the accommodating case 2, a bayonet 24 is provided on the fixing plate 23 in a drawable manner, and a snap ring 25 adapted to the bayonet 24 is provided on the surface of the case cover 19.
In this embodiment, when cap 19 blocks up access hole 20, the bayonet lock 24 is lifted up manually, and after cap 19 blocks up access hole 20, bayonet lock 24 can be pushed down for bayonet lock 24 inserts in the inside of snap ring 25, and then fixes cap 19 after the shutoff, improves the stability of cap 19 when blocking up access hole 20.
Further, coupling mechanism includes connecting rod 4, and the vertical fixed connection of connecting rod 4 is in the one end at connecting tube 1 top, and the top of connecting rod 4 is rotated and is connected with diaphragm 5, and vertical threaded connection has rotating bolt 6 on diaphragm 5.
In this embodiment, the transverse plate 5 can be rotated manually to drive the rotating bolt 6 to move, and the rotating bolt 6 can be rotated manually to drive the rotating bolt 6 to move up and down.
Further, hold the equal fixedly connected with fixed block 3 in bottom of 2 both sides faces of shell, the connector 8 with 6 looks adaptations of rotation bolt is seted up at the top of fixed block 3.
In this embodiment, the rotating handle 7 is rotated manually to drive the rotating bolt 6 to ascend, the bottom end of the rotating bolt 6 is pulled out from the inside of the connecting port 8, the rotating transverse plate 5 is moved to the outside, the accommodating shell 2 is released from being fixed, and the accommodating shell 2 can be detached from the top of the connecting pipeline 1 manually.
The manual welding device is simple and quick to operate, replaces the traditional welding fixation, is convenient for manual disassembly, maintenance, replacement and other operations of the flow transmitter 17, reduces the manual labor amount, and better meets the use requirements of personnel.
Further, the top end of the rotating bolt 6 is fixedly connected with a rotating handle 7.
In this embodiment, the rotating handle 7 facilitates manual rotation of the rotating bolt 6 for lifting movement.
Further, a display screen 18 is provided on the flow transmitter 17.
In this embodiment, the display screen 18 can display the data briefly detected by the flow transmitter 17, which is convenient for manual viewing.
The working principle and the using process of the utility model are as follows: after the flow transmitter is installed and needs to be disassembled and replaced, the shell cover 19 is opened by manually pulling the bayonet lock 24, the disassembling bolt 14 is disassembled from the upper flange plate 13 and the lower flange plate 11, the disassembling bolt 14 is taken out through the inside of the access hole 20, then the rotating handle 7 is manually rotated to drive the rotating bolt 6 to ascend, the bottom end of the rotating bolt 6 is pulled out from the inside of the connecting hole 8, the rotating transverse plate 5 moves to the outside, the accommodating shell 2 is released from being fixed, the accommodating shell 2 can be manually disassembled from the top of the connecting pipeline 1, the operation is simple and rapid, the traditional welding fixation is replaced, and the flow transmitter 17 is convenient to be manually disassembled, overhauled, replaced and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a connection structure for differential pressure flowmeter convenient to dismantle and change which characterized in that: comprises a connecting pipeline (1), a measuring mechanism and two connecting mechanisms;
the two connecting mechanisms are arranged at one end of the top of the connecting pipeline (1), and the measuring mechanism is arranged at the top of the connecting pipeline (1) and is positioned between the two connecting mechanisms;
the measuring mechanism comprises an accommodating shell (2) with an open bottom, the accommodating shell (2) is arranged at the top of the connecting pipeline (1), a flow transmitter (17) is arranged at the top of the accommodating shell (2), a sensor (15) is arranged in an inner cavity of the accommodating shell (2), and the sensor (15) is connected with the flow transmitter (17) through a connecting wire (16);
the inner cavity of the connecting pipeline (1) is provided with a throttling element (9), the top of the connecting pipeline (1) is communicated with two pressure-taking pipes (10), the sensor (15) is provided with two pressure-taking pipes (12) corresponding to the pressure-taking pipes (10), the bottom end of each pressure-taking pipe (12) is provided with an upper flange (13), the top end of each pressure-taking pipe (10) is provided with a lower flange (11), and the lower flange (11) is detachably connected with the upper flange (13) through a dismounting bolt (14);
an access hole (20) is formed in the front face of the accommodating shell (2), and a shell cover (19) matched with the access hole (20) is arranged on the front face of the accommodating shell (2).
2. The differential pressure type flowmeter connecting structure convenient to disassemble and replace according to claim 1, wherein: the fixed surface of cap (19) is connected with rubber strip (22), hold the openly of shell (2) and seted up with seal groove (21) of rubber strip (22) looks adaptation.
3. The differential pressure type flowmeter connecting structure convenient to disassemble and replace according to claim 1, wherein: the upper portion of the front face of the accommodating shell (2) is fixedly connected with a fixing plate (23), a clamping pin (24) is arranged on the fixing plate (23) in a drawable mode, and a clamping ring (25) matched with the clamping pin (24) is arranged on the surface of the shell cover (19).
4. The differential pressure type flowmeter connecting structure convenient to disassemble and replace according to claim 1, wherein: the connecting mechanism comprises a connecting rod (4), the connecting rod (4) is fixedly connected to one end of the top of the connecting pipeline (1), a transverse plate (5) is rotatably connected to the top end of the connecting rod (4), and a rotating bolt (6) is connected to the transverse plate (5) in a vertical threaded mode.
5. The differential pressure type flowmeter connecting structure convenient to disassemble and replace according to claim 4, wherein: the bottom of the two side faces of the accommodating shell (2) is fixedly connected with a fixing block (3), and a connecting port (8) matched with the rotating bolt (6) is formed in the top of the fixing block (3).
6. The differential pressure type flowmeter connecting structure convenient to disassemble and replace according to claim 5, wherein: the top end of the rotating bolt (6) is fixedly connected with a rotating handle (7).
7. The differential pressure type flowmeter connecting structure convenient to disassemble and replace according to claim 1, wherein: and a display screen (18) is arranged on the flow transmitter (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123202431.0U CN216621328U (en) | 2021-12-20 | 2021-12-20 | Differential pressure type flow meter connecting structure convenient to disassemble and replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123202431.0U CN216621328U (en) | 2021-12-20 | 2021-12-20 | Differential pressure type flow meter connecting structure convenient to disassemble and replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216621328U true CN216621328U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123202431.0U Active CN216621328U (en) | 2021-12-20 | 2021-12-20 | Differential pressure type flow meter connecting structure convenient to disassemble and replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216621328U (en) |
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2021
- 2021-12-20 CN CN202123202431.0U patent/CN216621328U/en active Active
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