CN206573240U - A kind of pressure gauge of the big pressure limit linear narrowing of dial plate - Google Patents
A kind of pressure gauge of the big pressure limit linear narrowing of dial plate Download PDFInfo
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- CN206573240U CN206573240U CN201720253702.XU CN201720253702U CN206573240U CN 206573240 U CN206573240 U CN 206573240U CN 201720253702 U CN201720253702 U CN 201720253702U CN 206573240 U CN206573240 U CN 206573240U
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- spring pipe
- pressure
- dial plate
- big
- outer spring
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Abstract
A kind of pressure gauge of the big pressure limit linear narrowing of dial plate, dial plate bottom is joint, contiguous block is connected with above joint, passage is provided with contiguous block and is extended to outside joint, inner spring pipe lower end connects upper end with passage and is connected transmission mechanism by action plate, pressure indication is connected with transmission mechanism, outer spring pipe is located on the outside of inner spring pipe, its lower end fixes upper end with contiguous block and regulating part is housed, slidable adjustment mechanism is arranged on the outside of outer spring pipe, it is fixed on including regulating block by cross screw bolt on dial plate, regulating bolt is through the chute in regulating block and passes through nut, just outer spring pipe is arrived on top to the big end fulcrum of bolt；In small pressure limit, action plate makees linear line motion with inner spring pipe, when pressure becomes big, action plate encounters regulating part, increase resistance, action plate overcomes the resistance of inside and outside bourdon tube to make linear line motion, by the position for changing the big end fulcrum of bolt, resistance is produced conversion, realize that the reading of pressure indication is consistent with the pressure that working medium is actual.
Description
Technical field
The utility model is related to instrument and meter, more particularly to a kind of big pressure limit linear narrowing of dial plate pressure gauge.
Background technology
Pressure gauge is extremely wide in the application of industrial circle, and its operation principle is the elastic shape by the sensing element in table
Become, then the switching mechanism of movement conducts pressure deformation to pointer in table, causes indicators turn to show pressure.Existing pressure
Power table is substantially made up of housing, bourdon tube, linkage magnification system and indicate indicator etc., and the other end and pressure are fixed in bourdon tube one end
Force system is connected, and shift end is connected with the connecting rod of linkage magnification system, and the other end of connecting rod is fixed on the folder of transmission mechanism
It is connected on plate with sector gear, the pressure gauge of purely linear conversion generally directly acts on (referring to Fig. 5) by a bourdon tube, with
The increase of test pressure, the scope of the easy no to scale of pointer, in order to increase manometric range while improving manometric logical
With property, the method for snap fit 8 and elastic block piece 6 is set up in current relatively advanced being utilized in inside pressure gauge (Fig. 6 refers to Shen
Please number for 201510276915.X a kind of non-linear display pressure gauge documents), measure big pressure when, elastic block piece
Interaction with snap fit increases the damping to bourdon tube, pressure gauge is linearly shown pressure, latter half in first half
There is difficulty in the non-linear big pressure of display, the pressure gauge manufacture and assembling of this structure, sixty-four dollar question is second half section non-thread
Property the big pressure value that shows there is larger error with actual pressure value.
The utility model provides a kind of pressure gauge of the big pressure limit linear narrowing of dial plate, by the outside of interior bourdon tube again
Plus one of outer spring pipe, during small pressure, the effect of inner spring pipe, during big pressure, twice bourdon tube collective effect makes manometric inspection
Measuring pressure scope is greatly increased, while being calibrated by slidable adjustment mechanism, this pressure gauge leading portion linearly shows small pressure, back segment line
Property show big pressure, front and rear two sections of scales are all uniform, and simply the scale of back segment is even closer, this pressure meter structure rationally,
Measurement accuracy is high, range is big, disclosure satisfy that a variety of needs of Practical Project.
Utility model content
Weak point present in regarding to the issue above, the utility model provides a kind of big pressure limit linear narrowing of dial plate
Pressure gauge.
To achieve the above object, the utility model provides a kind of big pressure limit linear narrowing of dial plate
Pressure gauge, including dial plate, it is characterised in that also include：
Joint, the joint is located at the bottom position of the dial plate；
Contiguous block, the contiguous block be located at the joint top be fixedly connected with the joint, the contiguous block it is interior
Portion is machined with passage, and the passage is extended to outside the joint；
Inner spring pipe, the inner spring pipe lower end is connected upper end with the passage and is connected by action plate with transmission mechanism,
Pressure indication is picked out by the transmission mechanism；
Outer spring pipe, the outer spring pipe is located at the outside of the inner spring pipe, the outer spring pipe lower end and the company
Connect block and be fixedly connected with upper end equipped with regulating part, the position of the regulating part is corresponding with the action plate；
Slidable adjustment mechanism, the slidable adjustment mechanism is located on the outside of the outer spring pipe, including regulating block, the regulation
Block is fixed on the dial plate by cross screw bolt, and the size of chute, the big end of bolt and nut is machined with inside the regulating block
More than the chute, regulating bolt through the chute and by the nut, the big end fulcrum of bolt just with it is described outer
Bourdon tube is contacted.
Further improved as the utility model, the inner spring pipe and the outer spring pipe are oblate cross-sectional pipe,
The elastic deformation in the range of pressure gage measuring range.
Further improved as the utility model, the transmission mechanism includes drive link, little gear, sector gear.
Further improved as the utility model, the regulating part is the screw for being spun on the outer spring tube end.
Further improved as the utility model, the slidable adjustment mechanism is installed adjacent to the contiguous block.
Further improved as the utility model, the big end fulcrum of bolt is that arc-shaped is raised.
The beneficial effects of the utility model are：
1. by adding one of outer spring pipe again on the outside of interior bourdon tube, during small pressure, the effect of inner spring pipe, during big pressure,
Twice bourdon tube collective effect, greatly increases manometric detection pressure limit, while calibrated by slidable adjustment mechanism, this
Pressure gauge leading portion linearly shows small pressure, and back segment linearly shows big pressure, and front and rear two sections of scales are all uniform, simply quarters of back segment
Degree is even closer, and this pressure meter structure is reasonable, measurement accuracy is high, range is big, disclosure satisfy that a variety of needs of Practical Project.
2. regulating part is the screw being spun on the free end, adjusting position is very convenient.
3. inner spring pipe and outer spring pipe are oblate cross-sectional pipe, the elastic deformation in the range of pressure gage measuring range, transmission
Mechanism includes drive link, little gear, sector gear, and pressure change effectively can be converted into the change in location of pressure indication,
It is very directly perceived.
4. slidable adjustment mechanism is installed adjacent to contiguous block, the position of fine-tuning regulating bolt makes manometer calibration.
5. the big end fulcrum of bolt is that arc-shaped is raised, the effectively less abrasion of its external bourdon tube.
Brief description of the drawings
Fig. 1 is a kind of manometric dial reading schematic diagram of the big pressure limit linear narrowing of dial plate of the utility model；
Fig. 2 is a kind of manometric front view of the big pressure limit linear narrowing of dial plate of the utility model；
Fig. 3 is the enlarged drawing of location A in Fig. 2；
Fig. 4 is B direction views in Fig. 3；
Fig. 5 is the manometric front view of linear digital display (prior art)；
Fig. 6 is the manometric structure chart (prior art) of non-linear display；
Fig. 7 is a kind of manometric front view (embodiment 2) of the big pressure limit linear narrowing of dial plate of the utility model；
Fig. 8 is a kind of manometric front view (embodiment 3) of the big pressure limit linear narrowing of dial plate of the utility model.
In figure：1st, joint；2nd, contiguous block；3rd, passage；4th, inner spring pipe；5th, outer spring pipe；6th, slidable adjustment mechanism；61、
Regulating block；62nd, chute；63rd, cross screw bolt；64th, regulating bolt；65th, nut；66th, the big end of regulating bolt；67th, regulating bolt is big
Hold fulcrum；68th, magnetic adjustable plate；69th, magnet piece；70th, arc-shaped is raised；71st, non magnetic adjustable plate；72nd, arc-shaped projection I,
73rd, magnet piece I.7th, regulating part；8th, action plate；9th, transmission mechanism；10th, pressure indication；11st, dial plate；
Embodiment
Embodiment 1
As Figure 1-4, a kind of big pressure limit of dial plate of the utility model embodiment can linear narrowing pressure gauge, bag
Include dial plate 11, it is characterised in that also include：Joint 1 is located at the bottom position of dial plate 11；Contiguous block 2 be located at joint 1 top with
Joint 1 is fixedly connected, and the inside of contiguous block 2 is machined with passage 3, and passage 3 is extended to outside joint 1；The lower end of inner spring pipe 5 with
The connection of passage 3 upper end is connected by action plate 8 with transmission mechanism 9, and transmission mechanism 9 includes drive link, little gear, sector gear,
Pressure indication 10 is picked out by transmission mechanism 9；Outer spring pipe 4 is located at the outside of inner spring pipe 5, and inner spring pipe 5 and outer spring pipe 4 are equal
For oblate cross-sectional pipe, the elastic deformation in the range of pressure gage measuring range, the lower end of outer spring pipe 4 is fixedly connected with upper end with contiguous block 2
Equipped with regulating part 7, regulating part 7 is the screw for being spun on the end of outer spring pipe 4, and the position of regulating part 7 is corresponding with action plate 8；Slide
Governor motion 6 is installed adjacent to contiguous block 2, and slidable adjustment mechanism 6 is located at the outside of outer spring pipe 4, including regulating block 61, regulating block 61
It is fixed on by cross screw bolt 63 on dial plate 11, the chi of chute 62, the big end 66 of bolt and nut 65 is machined with inside regulating block 61
Very little to be more than chute 62, regulating bolt 64 by nut 65 through chute 62 and being screwed, and the big end fulcrum 67 of bolt is just and outer spring
Pipe 4 is contacted, and the big end fulcrum 67 of bolt is that arc-shaped is raised.
Embodiment 2
As shown in fig. 7, a kind of big pressure limit of dial plate of the utility model embodiment can linear narrowing pressure gauge, including
Dial plate 11, it is characterised in that also include：Joint 1 is located at the bottom position of dial plate 11；Contiguous block 2 is located at the top of joint 1 with connecing
First 1 is fixedly connected, and the inside of contiguous block 2 is machined with passage 3, and passage 3 is extended to outside joint 1；The lower end of inner spring pipe 5 is with leading to
The connection upper end of road 3 is connected by action plate 8 with transmission mechanism 9, and transmission mechanism 9 includes drive link, little gear, sector gear, pressure
Power pointer 10 is picked out by transmission mechanism 9；Outer spring pipe 4 is located at the outside of inner spring pipe 5, and inner spring pipe 5 and outer spring pipe 4 are
Oblate cross-sectional pipe, the elastic deformation in the range of pressure gage measuring range, the lower end of outer spring pipe 4 is fixedly connected with upper end dress with contiguous block 2
There is regulating part 7, regulating part 7 is the screw for being spun on the end of outer spring pipe 4, and the position of regulating part 7 is corresponding with action plate 8；Slide and adjust
Section mechanism 6 is installed adjacent to contiguous block 2, and slidable adjustment mechanism 6 is located at the outside of outer spring pipe 4, including the magnetic being fixed on dial plate 11
Property adjustable plate 68, the one end of magnet piece 69 adsorb on magnetic adjustable plate 68, the other end is machined with arc-shaped projection 70, and arc-shaped is convex
70 are played to contact with outer spring pipe 4 just.
Embodiment 3
As shown in figure 8, a kind of big pressure limit of dial plate of the utility model embodiment can linear narrowing pressure gauge, including
Dial plate 11, it is characterised in that also include：Joint 1 is located at the bottom position of dial plate 11；Contiguous block 2 is located at the top of joint 1 with connecing
First 1 is fixedly connected, and the inside of contiguous block 2 is machined with passage 3, and passage 3 is extended to outside joint 1；The lower end of inner spring pipe 5 is with leading to
The connection upper end of road 3 is connected by action plate 8 with transmission mechanism 9, and transmission mechanism 9 includes drive link, little gear, sector gear, pressure
Power pointer 10 is picked out by transmission mechanism 9；Outer spring pipe 4 is located at the outside of inner spring pipe 5, and inner spring pipe 5 and outer spring pipe 4 are
Oblate cross-sectional pipe, the elastic deformation in the range of pressure gage measuring range, and outer spring pipe are made up of the material of adsorption magnet, outer spring
The lower end of pipe 4 is fixedly connected with upper end with contiguous block 2 equipped with regulating part 7, and regulating part 7 is the screw for being spun on the end of outer spring pipe 4, regulation
The position of part 7 is corresponding with action plate 8；Slidable adjustment mechanism 6 is installed adjacent to contiguous block 2, and slidable adjustment mechanism 6 is located at outer spring pipe
4 outsides, including the non magnetic adjustable plate 71 being fixed on dial plate 11, magnet piece I73 one end are adsorbed on outer bourdon tube, the other end
Arc-shaped projection I72 is machined with, arc-shaped projection I72 is contacted with non magnetic adjustable plate 71 just.
By adding one of outer spring pipe again on the outside of interior bourdon tube, during small pressure, the effect of inner spring pipe, during big pressure, two
Road bourdon tube collective effect, greatly increases manometric detection pressure limit, while being calibrated by slidable adjustment mechanism, this pressure
Power table leading portion linearly shows small pressure, and back segment linearly shows big pressure, and front and rear two sections of scales are all uniform, the simply scales of back segment
Even closer, this pressure meter structure is reasonable, measurement accuracy is high, range is big, disclosure satisfy that a variety of needs of Practical Project.
When specifically used, the utility model is understood for convenience, is described respectively with reference to accompanying drawing；
This pressure gauge is calibrated using preceding needing, and calibration process is as follows：Be passed through the pressure value at range change point (is in Fig. 1
5Bar), turn makes the bottom surface of regulating part touch action plate just, is passed through a larger pressure, the position of mobile regulating bolt
Put, position of the fulcrum when making the outer spring pipe deform changes, to change the active force of the internal bourdon tube of outer spring pipe.See
The reading change of pressure indication is examined, when the reading of pressure indication is consistent with the pressure that working medium is actual, regulating part is tamping with glue
And regulating bolt；Manometric service condition is as follows：The working medium of certain pressure is accessed from joint, in small pressure limit, effect
Plate makees linear line motion with inner spring pipe, and the deformation of inner spring pipe is converted to pressure indication by action plate by transmission mechanism
Rotation, be embodied in pressure indication and increase in the angle that scale front section is deflected with proportional pressure, when pressure becomes big,
Action plate encounters regulating part, and inside and outside bourdon tube is deformed together, increases resistance, and action plate overcomes the resistance of inside and outside bourdon tube to make line
Property linear motion, show as pressure indication increases in the angle that scale hindfoot portion is deflected with proportional pressure, in hindfoot portion
The increase of unit pressure causes the tilt value of pressure indication angle to be less than the leading portion (area of embodiment 2 and embodiment 3 and embodiment 1
It is not only that the difference of slidable adjustment mechanism, embodiment 2 changes fulcrum by movement of the magnet piece on magnetic adjustable plate
Position, embodiment 3 changes the position of fulcrum by magnet piece in the movement of outer bourdon tube).
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (6)
1. a kind of pressure gauge of the big pressure limit linear narrowing of dial plate, including dial plate (11), it is characterised in that also include：
Joint (1), the joint (1) is located at the bottom position of the dial plate (11)；
Contiguous block (2), the top that the contiguous block (2) is located at the joint (1) is fixedly connected with the joint (1), the company
The inside for connecing block (2) is machined with passage (3), and the passage (3) extends to the joint (1) outside；
Inner spring pipe (5), inner spring pipe (5) lower end is connected with the passage (3), and upper end passes through action plate (8) and transmission
Mechanism (9) is connected, and pressure indication (10) is picked out by the transmission mechanism (9)；
Outer spring pipe (4), the outer spring pipe (4) is located at the outside of the inner spring pipe (5), outer spring pipe (4) lower end
Upper end is fixedly connected with the contiguous block (2) equipped with regulating part (7), the position of the regulating part (7) and the action plate (8) are right
Should；
Slidable adjustment mechanism (6), the slidable adjustment mechanism (6) is located on the outside of the outer spring pipe (4), including regulating block
(61), the regulating block (61) is fixed on the dial plate (11) by cross screw bolt (63), is added inside the regulating block (61)
Work has a chute (62), and the size of the big end of bolt (66) and nut (65) is more than the chute (62), and regulating bolt (64) passes through institute
State chute (62) and screwed by the nut (65), the big end fulcrum (67) of bolt contacts with the outer spring pipe (4) just.
2. a kind of pressure gauge of the big pressure limit linear narrowing of dial plate according to claim 1, it is characterised in that：In described
Bourdon tube (5) and the outer spring pipe (4) are oblate cross-sectional pipe, the elastic deformation in the range of pressure gage measuring range.
3. a kind of pressure gauge of the big pressure limit linear narrowing of dial plate according to claim 1, it is characterised in that：It is described to pass
Motivation structure (9) includes drive link, little gear, sector gear.
4. a kind of pressure gauge of the big pressure limit linear narrowing of dial plate according to claim 1, it is characterised in that：It is described to adjust
Section part (7) is the screw for being spun on outer spring pipe (4) end.
5. a kind of pressure gauge of the big pressure limit linear narrowing of dial plate according to claim 1, it is characterised in that：The cunning
The dynamic neighbouring contiguous block (2) of governor motion (6) is installed.
6. a kind of pressure gauge of the big pressure limit linear narrowing of dial plate according to claim 1, it is characterised in that：The spiral shell
The big end fulcrum (67) of bolt is that arc-shaped is raised.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720253702.XU CN206573240U (en) | 2017-03-16 | 2017-03-16 | A kind of pressure gauge of the big pressure limit linear narrowing of dial plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720253702.XU CN206573240U (en) | 2017-03-16 | 2017-03-16 | A kind of pressure gauge of the big pressure limit linear narrowing of dial plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206573240U true CN206573240U (en) | 2017-10-20 |
Family
ID=60054123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720253702.XU Active CN206573240U (en) | 2017-03-16 | 2017-03-16 | A kind of pressure gauge of the big pressure limit linear narrowing of dial plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206573240U (en) |
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2017
- 2017-03-16 CN CN201720253702.XU patent/CN206573240U/en active Active
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