CN208091622U - A kind of barometric arc-shaped elastic pressure measuring piece - Google Patents
A kind of barometric arc-shaped elastic pressure measuring piece Download PDFInfo
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- CN208091622U CN208091622U CN201820674874.9U CN201820674874U CN208091622U CN 208091622 U CN208091622 U CN 208091622U CN 201820674874 U CN201820674874 U CN 201820674874U CN 208091622 U CN208091622 U CN 208091622U
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- arc
- pressure measuring
- measuring piece
- shaped elastic
- elastic pressure
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Abstract
A kind of barometric arc-shaped elastic pressure measuring piece, including arc-shaped elastic pressure measuring piece, the arc-shaped elastic pressure measuring piece includes alloy spring steel layer and electroplated layer, electroplated layer fitting is formed in the outside wall surface of alloy spring steel layer, it is formed with elliptical aperture in the internal face of alloy spring steel layer, the both sides of the face of elliptical aperture run through the both-side opening of alloy spring steel layer, one side end face plugged and fixed of elliptical aperture on the transmission parts of pointer after formed as an integrated structure, another side end face grafting of elliptical aperture is mounted on pressure actuation bar and is fixed together.The utility model is by improving self structure, by the both ends of elliptical aperture, plugged and fixed is connected on transmission parts and the pressure actuation bar of pointer respectively, such arc-shaped elastic pressure measuring piece may occur in which micro flexural deformation by smaller power, the retardance to indicators turn can be reduced, eliminate the interference to the beat of pointer, pointer can be more sensitive to the micro variation of measured value, and the numerical value of measurement is more accurate.
Description
Technical field
The utility model is related to a kind of barometric arc-shaped elastic pressure measuring pieces.
Background technology
Barometric widely used, wherein can be used on medical pressure gauge, medical pressure gauge is for measuring conduit
The equipment of air pressure, the medical pressure gauge course of work are that pressurization instrument generates air pressure and by the sphere of conduit to top
Body, the air pressure that conduit generates are transmitted to by air-breather in medical pressure gauge, and the pointer on medical pressure gauge indicates simultaneously
Numerical value, since medical pressure gauge belongs to smart devices, so the micro variation pointer of air pressure numerical value will also change, but it is existing
Bourdon tube due to being solid, since the factor of bourdon tube itself can increase the retardance to indicators turn, so medical
Pressure gauge is unable to synchro measure and goes out actual value.
Utility model content
The utility model in view of the deficiencies of the prior art, provides a kind of barometric arc-shaped bullet to solve the above problems
Property pressure measuring piece.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
A kind of barometric arc-shaped elastic pressure measuring piece, including arc-shaped elastic pressure measuring piece, the arc-shaped elastic pressure measurement
Part includes alloy spring steel layer and electroplated layer, and electroplated layer fitting is formed in the outside wall surface of alloy spring steel layer, alloy spring steel
It is formed with elliptical aperture in the internal face of layer, the both sides of the face of elliptical aperture run through the both-side opening of alloy spring steel layer, elliptical aperture
A side end face plugged and fixed on the transmission parts of pointer after formed as an integrated structure, another side end face grafting of elliptical aperture peace
On pressure actuation bar and it is fixed together.
The thickness of the electroplated layer is 3-5 μm.
The electroplated layer is the composite deposite for including cupro-nickel chromium.
The outer diameter of the alloy spring steel layer is 31.5mm, and the shearing face thickness of alloy spring steel layer is 2.5mm.
Spacing between the notch of the alloy spring steel layer is 23.5mm, shape between two end faces of alloy spring steel layer
At angle be 125 °.
The spacing of the both sides arc end of the elliptical aperture is 9.3mm.
Advantageous effect：Compared with the prior art, the utility model has the following beneficial effects：
The barometric arc-shaped elastic pressure measuring piece of the utility model is for mating reaction in the pointer of medical pneumatic table, circle
Arc elastic pressure measuring piece is by improving self structure, and by the both ends of elliptical aperture, plugged and fixed is connected to the transmission parts of pointer respectively
With on pressure actuation bar, such arc-shaped elastic pressure measuring piece may occur in which micro flexural deformation by smaller power, can
The retardance to indicators turn is reduced, eliminates the interference to the beat of pointer, pointer can be quicker to the micro variation of measured value
Sense, the numerical value of measurement is more accurate, while elliptical aperture can reduce dosage of the arc-shaped elastic pressure measuring piece to raw material, reduces arc-shaped
The manufacturing cost of elastic pressure measuring piece.
Description of the drawings
Fig. 1 is the front view of barometric arc-shaped elastic pressure measuring piece.
Fig. 2 is the side view of Fig. 1.
Specific implementation mode
Refering to fig. 1,2, a kind of barometric arc-shaped elastic pressure measuring piece, including arc-shaped elastic pressure measuring piece 1, arc-shaped bullet
Property pressure measuring piece 1 material be alloy spring steel, and include boron, niobium, molybdenum element, increase boron, niobium, molybdenum element can be improved it is arc-shaped
The comprehensive performance of elastic pressure measuring piece 1 is used for a long time monnolithic case and does not change, the error of Zona transformans eliminated, due to circle
Arc elastic pressure measuring piece 1 uses under shock and vibration or long-term friendship stress, and it is high to it requires that arc-shaped elastic pressure measuring piece 1 has
Tensile strength, elastic limit, high fatigue strength require arc-shaped elastic pressure measuring piece 1 to have certain quenching degree in technique, circle
Arc elastic pressure measuring piece 1 includes alloy spring steel layer 11 and electroplated layer 13, and the fitting of electroplated layer 13 is formed in alloy spring steel layer 11
Outside wall surface on, the thickness of electroplated layer 13 is 3-5 μm, and electroplated layer 13 is the composite deposite of cupro-nickel chromium, and electroplated layer 13 can stop sky
Gas is contacted with alloy spring steel layer 11, to prevent 11 corrosion of alloy spring steel layer, also improves arc-shaped elastic pressure measuring piece 1
Wearability and corrosion resistance, while ensuring that alloy spring steel layer 11 has preferable bending reseting performance, eliminate alloy spring
Steel layer 11 is rusted and causes the micro variation of circular arc shape, and then it is high-precision to ensure that arc-shaped elastic pressure measuring piece 1 has
Displacement bending change improves the measurement accuracy of arc-shaped elastic pressure measuring piece 1.
Elliptical aperture 12 is formed in the internal face of alloy spring steel layer 11, the both sides of the face of elliptical aperture 12 run through alloy bullet
The both-side opening of spring steel layer 11, a side end face plugged and fixed of elliptical aperture 12 is rear in the transmission parts (not shown) of pointer to be formed
It is structure as a whole, another side end face grafting of elliptical aperture 12 is mounted in pressure actuation bar (not shown) and is fixedly connected on one
It rises, the connection type of arc-shaped elastic pressure measuring piece 1 can be changed in elliptical aperture 12, becomes grafting from original welding, arc-shaped in this way
Elastic pressure measuring piece 1 may occur in which micro flexural deformation by smaller power, can reduce the retardance to indicators turn, elimination pair
The interference of the beat of pointer, pointer can be more sensitive to the micro variation of measured value, and the numerical value of measurement is more accurate.
The outer diameter of alloy spring steel layer 11 is 31.5mm, and the spacing between the notch of alloy spring steel layer 11 is 23.5mm,
The angle formed between two end faces of alloy spring steel layer 11 is 125 °, and the shearing face thickness of alloy spring steel layer 11 is
The spacing of 2.5mm, the both sides arc end of elliptical aperture 12 are 9.3mm, and the improvement of elliptical aperture 12 can reduce arc-shaped elastic pressure measuring piece 1
To the dosage of raw material so that the total weight of arc-shaped elastic pressure measuring piece 1 is reduced, and reduces the manufacture of arc-shaped elastic pressure measuring piece 1
Cost, while the biggest quality that arc-shaped elastic pressure measuring piece 1 can be born is 40kg so that the entirety of arc-shaped elastic pressure measuring piece 1
Structure has excellent comprehensive performance.
Barometric arc-shaped elastic pressure measuring piece is for mating reaction in the pointer of medical pneumatic table, arc-shaped elastic survey
Casting die 1 is by improving self structure, and by the both ends of elliptical aperture 12, plugged and fixed is connected to the transmission parts and pressure of pointer respectively
On drive link, such arc-shaped elastic pressure measuring piece 1 may occur in which micro flexural deformation by smaller power, can reduce pair
The retardance of indicators turn eliminates the interference to the beat of pointer, and pointer can be more sensitive to the micro variation of measured value, measures
Numerical value it is more accurate, while elliptical aperture 12 can reduce dosage of the arc-shaped elastic pressure measuring piece 1 to raw material, reduce arc-shaped elastic
The manufacturing cost of pressure measuring piece 1.
Embodiment described above is only that preferred embodiments of the present invention are described, not to this practicality
Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality
With novel claimed technology contents, all record in detail in the claims.
Claims (6)
1. a kind of barometric arc-shaped elastic pressure measuring piece, including arc-shaped elastic pressure measuring piece (1), which is characterized in that the circle
Arc elastic pressure measuring piece (1) includes alloy spring steel layer (11) and electroplated layer (13), and electroplated layer (13) fitting is formed in alloy bullet
In the outside wall surface of spring steel layer (11), elliptical aperture (12) is formed in the internal face of alloy spring steel layer (11), elliptical aperture (12)
Both sides of the face run through the both-side opening of alloy spring steel layer (11), and a side end face plugged and fixed of elliptical aperture (12) is in pointer
It is formed as an integrated structure after on transmission parts, another side end face grafting of elliptical aperture (12) is mounted on pressure actuation bar and fixes
It links together.
2. barometric arc-shaped elastic pressure measuring piece according to claim 1, which is characterized in that the electroplated layer (13)
Thickness is 3-5 μm.
3. barometric arc-shaped elastic pressure measuring piece according to claim 2, which is characterized in that the electroplated layer (13) is
It include the composite deposite of cupro-nickel chromium.
4. barometric arc-shaped elastic pressure measuring piece according to claim 1, which is characterized in that the alloy spring steel layer
(11) outer diameter is 31.5mm, and the shearing face thickness of alloy spring steel layer (11) is 2.5mm.
5. barometric arc-shaped elastic pressure measuring piece according to claim 3, which is characterized in that the alloy spring steel layer
(11) the spacing between notch is 23.5mm, and the angle formed between two end faces of alloy spring steel layer (11) is 125 °.
6. barometric arc-shaped elastic pressure measuring piece according to claim 1, which is characterized in that the elliptical aperture (12)
The spacing of both sides arc end is 9.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820674874.9U CN208091622U (en) | 2018-05-08 | 2018-05-08 | A kind of barometric arc-shaped elastic pressure measuring piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820674874.9U CN208091622U (en) | 2018-05-08 | 2018-05-08 | A kind of barometric arc-shaped elastic pressure measuring piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208091622U true CN208091622U (en) | 2018-11-13 |
Family
ID=64052210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820674874.9U Active CN208091622U (en) | 2018-05-08 | 2018-05-08 | A kind of barometric arc-shaped elastic pressure measuring piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208091622U (en) |
-
2018
- 2018-05-08 CN CN201820674874.9U patent/CN208091622U/en active Active
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