CN217276321U - Flow measuring device for bent pipe - Google Patents
Flow measuring device for bent pipe Download PDFInfo
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- CN217276321U CN217276321U CN202122061034.XU CN202122061034U CN217276321U CN 217276321 U CN217276321 U CN 217276321U CN 202122061034 U CN202122061034 U CN 202122061034U CN 217276321 U CN217276321 U CN 217276321U
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Abstract
The utility model discloses a flow measuring device that can be used to return bend, include: bending the pipe body; the connecting branch pipe is arranged on the surface of the bent pipe body and is vertical to the bending direction of the bent pipe body; the detection device comprises a connecting branch pipe, an insertion rod structure, a telescopic detection rod and a detection device, wherein the insertion rod structure is fixedly arranged inside the connecting branch pipe, the telescopic detection rod is arranged at the bottom end of the insertion rod structure, and the detection rod is perpendicular to the direction of water flow inside the bent pipe body; and the fixing structure is in threaded connection with the connecting branch pipe, and the fixing structure is pressed above the insertion rod structure. The problem of inaccurate measuring result when current pipeline flow measuring device carries out measurement flow to the return bend is solved.
Description
Technical Field
The utility model relates to a flow measurement technical field especially relates to a flow measuring device who can be used to return bend.
Background
The working principle of the plug-in flowmeter is that when fluid flows through the probe, a high-pressure distribution area is generated at the front part of the probe, and the high-pressure distribution area is slightly higher than the static pressure of a pipeline; according to the Bernoulli principle, the speed of fluid flowing through the probe is accelerated, a low-pressure distribution area is generated at the rear part of the probe, and the pressure of the low-pressure distribution area is slightly lower than the static pressure of a pipeline; the flow of the pipeline is obtained by measuring the pressure difference between the front and the back of the probe.
The flow rate of each point of the cross section of the bent pipe is different, the flow rate of a certain point in the pipe is measured through a flow sensor by using the conventional bent pipe flow measuring method similar to a straight pipe flow measuring method, and when the pipe is the bent pipe, the flow rate of each point of the cross section of the bent pipe is different, so that the method is inaccurate in measurement.
Disclosure of Invention
In order to solve the defects and shortcomings of the prior art, the utility model aims to provide a flow measuring device which can be used for bending a pipe.
The technical scheme of the utility model a flow measuring device that can be used to return bend, include:
bending the pipe body;
further comprising:
the connecting branch pipe is arranged on the surface of the bent pipe body, and the connecting branch pipe is perpendicular to the bending direction of the bent pipe body;
the detection device comprises a connecting branch pipe, an insertion rod structure, a telescopic detection rod and a detection device, wherein the insertion rod structure is fixedly arranged inside the connecting branch pipe, the telescopic detection rod is arranged at the bottom end of the insertion rod structure, and the detection rod is perpendicular to the direction of water flow inside the bent pipe body;
and the fixing structure is in threaded connection with the connecting branch pipe, and the fixing structure is pressed above the insertion rod structure.
Optionally, the outer side surface of the connecting branch pipe is provided with a threaded portion, and the inner side wall of the connecting branch pipe is fixedly connected with a limiting ring.
Optionally, the insertion rod structure comprises:
the hollow body of rod, the hollow body of rod injects the inboard of spacing ring, the lateral surface of the hollow body of rod just is located the spacing dish of top fixedly connected with of spacing ring, the side of the hollow body of rod just is close to the bottom and has seted up the slide opening.
Optionally, a sealing washer is arranged between the limiting ring and the limiting disc, and the sealing washer is annular and sleeved on the outer side surface of the hollow rod body.
Optionally, the method further comprises:
the power rod is located inside the center hole of the hollow rod body and is connected with the center hole in a rotating mode through a shaft sleeve, the top end of the power rod extends out of the hollow rod body and is provided with a cross-shaped groove, and the bottom end of the power rod extends into the inside of the sliding hole and is fixedly connected with a transmission disc.
Optionally, the detection rod is provided with two, two the detection rod all sets up the inboard at the slide opening, and two detection rods set up about the transmission disc symmetry, the lateral surface of transmission disc contacts with the medial surface of detection rod.
Optionally, an arc limiting plate is fixedly connected to the end of the detection rod.
Optionally, the fixing structure comprises:
the inner ring is arranged on the inner side of the connecting branch pipe, the bottom end of the inner ring is propped against the top of the limiting disc, and a hexagonal center block is arranged on the inner side of the inner ring;
the thread outer ring is in threaded connection with the thread portion, and the top end of the thread outer ring is fixedly connected with the top end of the inner ring through a connecting portion.
Optionally, a first pressure sensor and a second pressure sensor are respectively arranged on two side surfaces of the detection rod along the direction of water flow in the bent pipe body;
the pressure sensor is characterized by further comprising a processor and a display, wherein the processor is in signal connection with the first pressure sensor and the second pressure sensor, and the display is in signal connection with the processor.
The utility model has the advantages that: compared with the prior art, the method has the advantages that,
1) the utility model discloses a be provided with the inserted bar structure, can conveniently inject the measuring rod into the inside of curved body from connecting branch pipe, measure the discharge of the inside return bend, and the measuring rod is the telescopic structure, can adapt to and insert from connecting branch pipe path, expandes when the inside of curved body, measures the discharge in a plurality of positions, is convenient for carry out the fluid flow of accurate calculation curved body inside, for current device, measures more accurate;
2) the utility model discloses a lateral surface at connecting branch pipe is provided with screw thread portion, can conveniently connect fixed knot to construct, and the limit ring structure of inboard can conveniently install the inserted bar structure;
3) the utility model discloses a side at the inserted bar is provided with spacing dish, can realize sealed and spacing effect with spacing ring structure cooperation, can conveniently install the measuring pole through the slide opening that sets up;
4) the utility model is provided with the sealing washer between the limiting ring and the limiting disc, which can increase the sealing performance between the limiting ring and the limiting disc and avoid the overflow of water flow;
5) the utility model discloses a be provided with the power rod structure, just can twist the power rod through traditional cross screwdriver and rotate, and then drive the driving plate and rotate, control the measuring pole and stretch out to the outside, conveniently control the flexible of measuring pole, it is more convenient when installing and dismantling;
6) the utility model is provided with two detection rods which are symmetrically arranged about the transmission disc, after the transmission disc is rotated, the two detection rods simultaneously extend outwards or retract simultaneously, and the adjustment is more convenient;
7) the utility model discloses a be provided with arc limiting plate structure, can avoid the measuring staff to break away from the slide opening;
8) the utility model discloses a through being provided with inner ring, screw thread outer loop and connecting portion structure, the hexagonal center block of inner ring inboard can conveniently adopt the hexagonal spanner to rotate the inner ring, and then drives the precession of screw thread outer loop, makes the bottom of inner ring push up tight spacing dish downwards, realizes the fixed inserted bar structure;
9) the utility model discloses a be provided with treater and display structure, can detect the data that obtain to pressure sensor and carry out analysis processes, directly obtain the inside flow of curved body, it is more convenient to use.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a sectional view taken along line A-A in FIG. 2;
FIG. 4 is a perspective view of an insertion probe configuration;
FIG. 5 is a front view of an insertion probe configuration;
fig. 6 is a schematic diagram of probe detection.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
referring to fig. 1 to 6, a flow measuring device usable with an elbow pipe includes:
bending a pipe body 1; further comprising:
the connecting branch pipe 2 is arranged on the surface of the bent pipe body 1, the connecting branch pipe 2 is perpendicular to the bending direction of the bent pipe body 1, and an inserting rod and a detecting rod which are inserted into the connecting branch pipe 2 are perpendicular to the water flow direction;
the insertion rod structure 3 is fixedly arranged inside the connecting branch pipe 2, the bottom end of the insertion rod structure 3 is provided with a telescopic detection rod 6, and the detection rod 6 is perpendicular to the direction of water flow inside the bent pipe body 1;
the fixed structure 5 is in threaded connection with the connecting branch pipe 2, and the fixed structure 5 is pressed above the insertion rod structure 3.
The outer side surface of the connecting branch pipe 2 is provided with a threaded part 201, and the inner side wall of the connecting branch pipe 2 is fixedly connected with a limiting ring 202.
Specifically, the insert rod structure 3 includes:
the hollow rod body 301, the hollow rod body 301 injects the inboard of spacing ring 202, and the lateral surface of the hollow rod body 301 just is located the top fixedly connected with spacing dish 302 of spacing ring 202, and the side of the hollow rod body 301 just is close to the bottom and has seted up slide opening 303.
A sealing gasket is arranged between the limiting ring 202 and the limiting disc 302, and the sealing gasket is annular and is sleeved on the outer side surface of the hollow rod body 301.
Further comprising: the power rod 4 is located in a center hole of the hollow rod body 301 and is rotatably connected through a shaft sleeve, the top end of the power rod 4 extends out of the hollow rod body 301 and is provided with a cross-shaped groove 401, and the bottom end of the power rod 4 extends into the sliding hole 303 and is fixedly connected with a transmission disc 402.
The number of the detection rods 6 is two, the two detection rods 6 are arranged on the inner side of the sliding hole 303, the two detection rods 6 are symmetrically arranged relative to the transmission disc 402, and the outer side face of the transmission disc 402 is in contact with the inner side face of the detection rod 6.
The end of the detection rod 6 is fixedly connected with an arc limiting plate 601.
Specifically, the fixing structure 5 includes:
the inner ring 501 is arranged on the inner side of the connecting branch pipe 2, the bottom end of the inner ring 501 abuts against the top of the limiting disc 302, and a hexagonal central block 504 is arranged on the inner side of the inner ring 501;
and a threaded outer ring 502, wherein the threaded outer ring 502 is in threaded connection with the threaded part 201, and the top end of the threaded outer ring 502 is fixedly connected with the top end of the inner ring 501 through a connecting part 503.
A first pressure sensor 7 and a second pressure sensor 8 are respectively arranged on two side surfaces of the detection rod 6 along the direction of water flow in the bent pipe body 1;
the pressure sensor further comprises a processor 9 and a display 10, wherein the processor 9 is in signal connection with the first pressure sensor 7 and the second pressure sensor 8, and the display 10 is in signal connection with the processor 9.
The working principle is as follows: the water flow passes through the bent pipe body 6, the first pressure sensor 7 and the second pressure sensor 8 which are positioned at two sides can detect the pressure at two end parts, the pressure is transmitted to the processor 9, and then the display 10 displays a specific flow numerical value, so that the use is very convenient;
during installation, firstly, the insertion rod structure 3 is inserted into the connecting branch pipe 2, the bottom end of the limiting disc 302 is pushed against the top of the limiting ring 202, the body position of the insertion rod structure 3 is properly adjusted, the detection rod 6 can be perpendicular to the water flow direction, then the fixing structure 5 is installed, the fixing structure is in threaded connection with the threaded portion 201, a hexagonal wrench is used for being inserted into the hexagonal center block 504 for screwing, the bottom end of the inner ring 501 is pushed downwards to be the expected 302, then the screwdriver is used for rotating the power rod 4, then the transmission disc 402 is driven to rotate, and then the detection rod 6 is driven to slide outwards (depending on the friction force between the detection rod 6 and the transmission disc 402).
The foregoing is a more detailed description of the present invention, taken in conjunction with specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model discloses to the ordinary skilled person in technical field's the prerequisite that does not deviate from the utility model discloses under the design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (9)
1. A flow measurement device usable with an elbow, comprising:
bending the pipe body (1);
it is characterized by also comprising:
the connecting branch pipe (2) is arranged on the surface of the bent pipe body (1), and the connecting branch pipe (2) is perpendicular to the bending direction of the bent pipe body (1);
the pipe bending device comprises an inserting rod structure (3), wherein the inserting rod structure (3) is fixedly installed inside a connecting branch pipe (2), a telescopic detection rod (6) is arranged at the bottom end of the inserting rod structure (3), and the detection rod (6) is perpendicular to the direction of water flow inside the bent pipe body (1);
fixed knot constructs (5), fixed knot constructs (5) and is connected branch pipe (2) threaded connection, fixed knot constructs (5) and presses in the top that inserts rod structure (3).
2. The flow measuring device for the elbow pipe according to the claim 1 is characterized in that the outer side surface of the connecting branch pipe (2) is provided with a threaded portion (201), and the inner side wall of the connecting branch pipe (2) is fixedly connected with a limiting ring (202).
3. Flow measuring device applicable to elbows according to claim 2, characterized in that said interposed rod structure (3) comprises:
the hollow rod body (301), the hollow rod body (301) injects the inboard of spacing ring (202), the lateral surface of the hollow rod body (301) just is located the top fixedly connected with spacing dish (302) of spacing ring (202), slide opening (303) have been seted up just near the bottom to the side of the hollow rod body (301).
4. The flow measuring device for the elbow pipe according to the claim 3, characterized in that a sealing gasket is arranged between the limiting ring (202) and the limiting disc (302), and the sealing gasket is arranged in an annular shape and sleeved on the outer side surface of the hollow rod body (301).
5. The flow measuring device for an elbow of claim 3, further comprising:
power rod (4), inside power rod (4) were located the centre bore of the hollow body of rod (301), and rotated through the axle sleeve and connect, the hollow body of rod (301) is stretched out and cross groove (401) are provided with on the top of power rod (4), the bottom of power rod (4) stretches into the inside and the fixedly connected with transmission dish (402) of slide opening (303).
6. The flow measuring device for bent pipes according to claim 5, characterized in that the number of the detecting rods (6) is two, two detecting rods (6) are arranged on the inner side of the sliding hole (303), and the two detecting rods (6) are symmetrically arranged about the driving disc (402), and the outer side surface of the driving disc (402) is in contact with the inner side surface of the detecting rods (6).
7. Flow measuring device according to claim 6, characterised in that an arc-shaped limit plate (601) is fixedly connected to the end of the detection rod (6).
8. Flow measuring device according to claim 7, characterized in that said fixed structure (5) comprises:
the inner ring (501) is arranged on the inner side of the connecting branch pipe (2), the bottom end of the inner ring (501) is propped against the top of the limiting disc (302), and a hexagonal central block (504) is arranged on the inner side of the inner ring (501);
the threaded outer ring (502) is in threaded connection with the threaded portion (201), and the top end of the threaded outer ring (502) is fixedly connected with the top end of the inner ring (501) through a connecting portion (503).
9. The flow measuring device for the bent pipe according to claim 8, wherein the two side surfaces of the detecting rod (6) along the water flow direction in the bent pipe body (1) are respectively provided with a first pressure sensor (7) and a second pressure sensor (8);
the pressure sensor is characterized by further comprising a processor (9) and a display (10), wherein the processor (9) is in signal connection with the first pressure sensor (7) and the second pressure sensor (8), and the display (10) is in signal connection with the processor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122061034.XU CN217276321U (en) | 2021-08-30 | 2021-08-30 | Flow measuring device for bent pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122061034.XU CN217276321U (en) | 2021-08-30 | 2021-08-30 | Flow measuring device for bent pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217276321U true CN217276321U (en) | 2022-08-23 |
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ID=82852895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122061034.XU Active CN217276321U (en) | 2021-08-30 | 2021-08-30 | Flow measuring device for bent pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217276321U (en) |
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2021
- 2021-08-30 CN CN202122061034.XU patent/CN217276321U/en active Active
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