CN208282875U - A kind of pressure acquiring mechanism and pressure measuring unit - Google Patents
A kind of pressure acquiring mechanism and pressure measuring unit Download PDFInfo
- Publication number
- CN208282875U CN208282875U CN201820990917.4U CN201820990917U CN208282875U CN 208282875 U CN208282875 U CN 208282875U CN 201820990917 U CN201820990917 U CN 201820990917U CN 208282875 U CN208282875 U CN 208282875U
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- valve group
- pressure
- support arm
- connecting flange
- conduction hole
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Abstract
The utility model relates to fluid measurement technical field more particularly to a kind of pressure acquiring mechanism and with the pressure measuring unit of the pressure acquiring mechanism.It includes support arm and the valve group connecting flange connecting with the support arm, the first conduction hole is provided on support arm, second conduction hole coaxial with the first conduction hole, the first conduction hole and the connection of the second conduction hole are provided on valve group connecting flange, support arm is column structure；It is additionally provided with seal groove on valve group connecting flange, is provided with sealing ring in seal groove.The pressure acquiring mechanism provided in the utility model, support arm is column structure, its compared with the existing technology in pressure pipe for length it is shorter, the torque being subject to is also smaller under same stress condition relative to pressure pipe, therefore, is able to bear biggish bearing capacity, due to being connected between valve group connecting flange and valve group, it is additionally provided with seal groove on valve group connecting flange, is provided with sealing ring in seal groove, can reduce the leak point of valve group connecting flange Yu valve group junction.
Description
Technical field
The utility model relates to fluid measurement technical field more particularly to a kind of pressure acquiring mechanism and with the pressure acquiring mechanism
Pressure measuring unit.
Background technique
With the development of society, flow measurement device more and more develops towards integrated direction.But differential pressure flowmeter
For traditional flowmeter, split installation is generally still used, especially for the throttling of the plate structures such as similar orifice plate
Device, frequently with the mode of two panels pressure flange and throttling element cooperation.However such being made of one of structure product, it generallys use
The pressure guiding pipe of shortening carries out survey pressure, and this structure is not beautiful enough, and impulse length of tube remains unchanged longer, leak point when installation
More, the valve group and transmitter weight connecting with pressure guiding pipe increase, and entirety easily causes the fatigue of pressure guiding pipe when using.
It is, therefore, desirable to provide a kind of pressure acquiring mechanism, is able to solve pressure acquiring mechanism in the prior art and is withstanding forces difference and letting out
Problem more than leak source.
Utility model content
The purpose of this utility model is that propose a kind of pressure acquiring mechanism and pressure measuring unit, can be improved its own endurance with
And reduce leak point.
For this purpose, the utility model uses following technical scheme:
A kind of pressure acquiring mechanism is provided, including support arm and the valve group connecting flange connecting with the support arm, the support
It is provided with the first conduction hole on arm, second drainage coaxial with first conduction hole is provided on the valve group connecting flange
Hole, first conduction hole are connected to second conduction hole, and the support arm is column structure；
It is additionally provided with seal groove on the valve group connecting flange, is provided with sealing ring in the seal groove.
Preferably, the central axes of the seal groove are overlapped with the central axes of second conduction hole.
Preferably, the support arm includes the linking arm connecting with orifice flange and the mistake that connect with valve group connecting flange
Arm is crossed, the linking arm is an integral structure with the transition arm.
Preferably, the linking arm cross section is rectangle.
Preferably, the transition arm cross section is quadrangle, and the transition arm longitudinal section is trapezoidal.
Preferably, the support arm is made of metal.
Preferably, the support arm is an integral structure with the valve group connecting flange.
The present invention also provides a kind of pressure measuring units, including two pressure acquiring mechanisms described above.
Preferably, further including two orifice flanges, valve group and transmitter, each orifice flange is welded with described in one
The pressure acquiring mechanism and orifice flange is connected to the pressure acquiring mechanism, the valve group is connected to two pressure acquiring mechanisms respectively,
And the valve group is connected to the transmitter.
The utility model the utility model has the advantages that
The pressure acquiring mechanism provided in the utility model, support arm are column structure, compared with the existing technology in pressure
Length is shorter for pipe, and the torque being subject to is also smaller under same stress condition relative to pressure pipe, therefore, be able to bear compared with
Big bearing capacity is additionally provided with seal groove, seal groove due to connecting between valve group connecting flange and valve group on valve group connecting flange
It is inside provided with sealing ring, can reduce the leak point of valve group connecting flange Yu valve group junction.
The pressure measuring unit provided in the utility model uses the pressure acquiring mechanism provided in the utility model, survey press fitting
It sets when detecting pressure, due to compact-sized, easy to disassemble and maintenance；Since pressure acquiring mechanism is an integral structure, valve can be made
Group is reduced with pressure acquiring mechanism junction leakage point, convenient for safeguarding.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pressure acquiring mechanism provided by the utility model；
Fig. 2 is the structural schematic diagram of pressure acquiring mechanism provided by the utility model Yu pressure flanged joint；
Fig. 3 is the structural schematic diagram of pressure measuring unit provided by the utility model.
In figure:
1, support arm；11, linking arm；12, transition arm；2, valve group connecting flange；21, seal groove；3, conduction hole；4, orifice plate
Flange；5, valve group；6, transmitter；7, plate differential pressure throttle device.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing and pass through
Specific embodiment further illustrates the technical solution of the utility model.
A kind of pressure acquiring mechanism is provided in the present embodiment, the pressure acquiring mechanism pressure-bearing is strong, and leakage point is reduced.Such as Fig. 1-2 institute
Show, which includes: support arm 1 and the valve group connecting flange 2 connecting with support arm 1, and is wherein provided on support arm 1
One conduction hole is provided with the second conduction hole 3, the first conduction hole and the coaxial arrangement of the second conduction hole 3 on valve group connecting flange 2, the
One conduction hole and the connection of the second conduction hole 3, so that liquid can be by pressure acquiring mechanism water conservancy diversion, and support arm 1 is column knot
Structure can be used in supporting valve group 5, bear biggish pressure.Seal groove 21, seal groove are additionally provided on valve group connecting flange 2
Sealing ring is provided in 21.
The pressure acquiring mechanism provided in the present embodiment, support arm 1 be column structure, compared with the existing technology in pressure pipe
For length it is shorter, the torque being subject to is also smaller under same stress condition relative to pressure pipe, therefore, be able to bear compared with
Big bearing capacity.Due to connecting between valve group connecting flange 2 and valve group 5, seal groove 21 is additionally provided on valve group connecting flange 2,
It is provided with sealing ring in seal groove 21, can reduce the leak point of valve group connecting flange 2 Yu 5 junction of valve group.
It should be noted that the central axes of seal groove 21 are overlapped with the central axes of the second conduction hole 3.This kind of set-up mode energy
It is enough to guarantee that seal groove 21 is equidistant everywhere with conduction hole 3, it not will cause leakage problem.And in order to reduce support arm 1 and valve
Leakage between group connecting flange 2, support arm 1 is an integral structure with valve group connecting flange 2 in the present embodiment.
In the present embodiment, specifically, as shown in Figure 1, above-mentioned support arm 1 includes the linking arm connecting with orifice flange 4
11 and the transition arm 12 that is connect with valve group connecting flange 2, since linking arm 11 and transition arm 12 are an integral structure, so that transition
Arm 12 connects valve group connecting flange 2 and linking arm 11.Wherein, above-mentioned 11 cross section of linking arm is rectangle.And transition arm 12 is horizontal
Section is quadrangle, and 12 longitudinal section of transition arm is trapezoidal.12 longitudinal section of transition arm be it is trapezoidal, 12 big end of transition arm with connect
Arm 11 connects, and small end is connect with valve group connecting flange 2, since valve group connecting flange 2 is smaller for linking arm 11, directly
Connecting with linking arm 11, which will cause when valve group connecting flange 2 is connect with valve group 5, is not easy the problem of wearing bolt, for this purpose, by linking arm
Transition arm 12 is set between 11 and valve group connecting flange 2 and is then able to solve the above problem.Bolt is provided on valve group connecting flange 2
Hole, the bolt hole are equipped with bolt and can connect the pressure acquiring mechanism with valve group 5.
In order to improve the rigidity of the support arm 1, support arm 1 is made of metal in the present embodiment.It is specifically as follows stainless
Steel or alloy.
A kind of pressure measuring unit is additionally provided in the present embodiment, as shown in Figure 3 comprising the pressure machine provided in the present embodiment
Structure, the pressure measuring unit further include two orifice flanges 4, valve group 5, transmitter 6 and plate differential pressure throttle device 7, plate differential pressure section
Stream device 7 is arranged between two orifice flanges 4 so as to form pressure difference between two orifice flanges 4, on each orifice flange 4
It is welded with a pressure acquiring mechanism, and each orifice flange 4 is welded with a pressure acquiring mechanism, and orifice flange 4 is connected to pressure acquiring mechanism,
Valve group 5 is bolted with two pressure acquiring mechanisms respectively, and valve group 5 is connected to pressure acquiring mechanism, and valve group 5 is connected to transmitter 6.
Valve group 5 and transmitter 6 cooperate for detecting the pressure in pipeline.However for two pressure acquiring mechanisms, one of them is for taking hole
The liquid on 4 top of plate flange, another is used to take the liquid of 4 lower part of orifice flange, to be examined by valve group 5 and transmitter 6
Survey pressure difference.
The pressure measuring unit provided in the present embodiment uses the pressure acquiring mechanism provided in the present embodiment, which exists
When detecting pressure, due to compact-sized, easy to disassemble and maintenance；And pressure acquiring mechanism is an integral structure, and can be made valve group 5 and be taken
Press mechanism junction leakage point is reduced, convenient for safeguarding.
Note that have been shown and described above the utility model basic principles and main features and the utility model it is excellent
Point.It should be understood by those skilled in the art that the utility model is not limited to the embodiments described above, above embodiment and say
Only illustrate the principles of the present invention described in bright book, on the premise of not departing from the spirit and scope of the utility model, this
Utility model will also have various changes and improvements, and these various changes and improvements fall within the scope of the claimed invention,
The claimed range of the utility model is defined by the appending claims and its equivalent thereof.
Claims (9)
1. a kind of pressure acquiring mechanism, which is characterized in that including support arm (1) and the valve group connection method being connect with the support arm (1)
Blue (2) are provided with the first conduction hole on the support arm (1), are provided on the valve group connecting flange (2) and draw with described first
Coaxial the second conduction hole (3) of discharge orifice, first conduction hole are connected to second conduction hole (3), and the support arm (1) is
Column structure；
It is additionally provided with seal groove (21) on the valve group connecting flange (2), is provided with sealing ring in the seal groove (21).
2. pressure acquiring mechanism according to claim 1, which is characterized in that the central axes and described second of the seal groove (21)
The central axes of conduction hole (3) are overlapped.
3. pressure acquiring mechanism according to claim 1, which is characterized in that the support arm (1) includes connecting with orifice flange (4)
The linking arm (11) connect and the transition arm (12) being connect with valve group connecting flange (2), the linking arm (11) and the transition arm
(12) it is an integral structure.
4. pressure acquiring mechanism according to claim 3, which is characterized in that linking arm (11) cross section is rectangle.
5. pressure acquiring mechanism according to claim 3, which is characterized in that transition arm (12) cross section is quadrangle, and
Transition arm (12) longitudinal section is trapezoidal.
6. pressure acquiring mechanism according to claim 1-5, which is characterized in that the support arm (1) is made of metal.
7. pressure acquiring mechanism according to claim 6, which is characterized in that the support arm (1) and the valve group connecting flange
(2) it is an integral structure.
8. a kind of pressure measuring unit, which is characterized in that including two such as the described in any item pressure acquiring mechanisms of claim 1-7.
9. pressure measuring unit according to claim 8, which is characterized in that further include two orifice flanges (4), valve group (5) and change
It send device (6), each orifice flange (4) is welded with a pressure acquiring mechanism and the orifice flange (4) and the pressure
Mechanism connection, the valve group (5) are connected to two pressure acquiring mechanisms respectively, and the valve group (5) and the transmitter (6) are even
It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820990917.4U CN208282875U (en) | 2018-06-26 | 2018-06-26 | A kind of pressure acquiring mechanism and pressure measuring unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820990917.4U CN208282875U (en) | 2018-06-26 | 2018-06-26 | A kind of pressure acquiring mechanism and pressure measuring unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208282875U true CN208282875U (en) | 2018-12-25 |
Family
ID=64704668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820990917.4U Active CN208282875U (en) | 2018-06-26 | 2018-06-26 | A kind of pressure acquiring mechanism and pressure measuring unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208282875U (en) |
-
2018
- 2018-06-26 CN CN201820990917.4U patent/CN208282875U/en active Active
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