A kind of pressure gage with increase measurement range function
Technical field
It is specially a kind of with the pressure gage for increasing measurement range function the present invention relates to technical field of physical instruments.
Background technique
U-tube construction, built-in water or mercury is usually used in pressure gage, with a kind of object of pascal's principle measurement pressure
Manage instrument.
When carrying out experiment test using pressure gage, pressure is tested no more than instrument measurement range, if because of tested pair
As being pressurized or operating suddenly do not pay attention to that pressure is caused to increase, working solution can be made to be flushed away, if mercury working solution is flushed away, both bands
To lose, it is also possible to the danger of mercury poisoning is caused, therefore the measurement range of pressure gage receives certain limitation, in measurement pressure
When it is not very convenient, so propose a kind of to solve posed problems above with the pressure gage for increasing measurement range function.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of with the pressure gage for increasing measurement range function, has
Increase measurement range the advantages that, solve using pressure gage carry out experiment test when, be tested pressure no more than instrument measurement model
Enclose, if because measurand be pressurized or operate suddenly do not pay attention to caused by pressure increase, working solution can be made to be flushed away, if mercury work
Be flushed away as liquid, both brought loss, it is also possible to cause the danger of mercury poisoning, therefore the measurement range of pressure gage receive it is certain
Limitation, the not very convenient problem when measuring pressure.
(2) technical solution
To realize above-mentioned increase measurement range purpose, the invention provides the following technical scheme: a kind of have increase measurement model
The pressure gage of function, including pedestal are enclosed, the top left side of the pedestal is fixedly installed with column, and the top right side of the pedestal is solid
Dingan County is equipped with support base, is fixedly installed with cross bar on the right side of the column, cross bar is fixedly installed with far from the side of column to be located at
U-tube at the top of support base is fixedly installed with graduated scale on the inside of U-tube, is fixedly installed with support frame at the top of the column,
The test tube clamp being fixedly installed with above U-tube on the right side of support frame is communicated with one end on the right side of the U-tube and extends to cylinder
The conduit in internal portion, the bottom of conduit are fixedly installed with can, and the bottom of can is fixedly installed with rubber membrane, the metal
The top right side of box is fixedly installed with one end and extends to metallic rod above cylinder.
Support frame as described above includes inserted link, and loop bar is fixedly installed on the right side of inserted link, and the inner cavity top of loop bar and bottom are opened
Equipped with sliding slot, it is fixedly installed with fixed link in sliding slot, the outer cover of fixed link is equipped with ball, on the inner cavity right side wall of the loop bar
It is fixedly installed with motor cabinet, the upper surface of motor cabinet is fixedly installed with driving motor, is fixedly mounted at the output shaft of driving motor
There is turntable, the connecting rod being fixedly connected with inserted link right side is fixedly installed on the left of turntable, the outer cover of connecting rod is equipped with first
Spring, the first spring are provided with the fixed block being sleeved on outside connecting rod close to the side of inserted link.
Preferably, the test tube clamp includes upper clamp plate, is fixedly installed with lower clamp plate below upper clamp plate, the upper clamp plate and
The left side of lower clamp plate opposite side is provided with protective film, and the junction of the upper clamp plate and lower clamp plate offers through-hole, in through-hole
It is fixedly installed with second spring.
Preferably, the sliding slot is symmetrical as symmetry axis using the longitudinal midline of loop bar.
Preferably, the ball is isodistantly spaced the outside for being sleeved on fixed link, and the quantity of ball is no less than nine.
Preferably, the quantity of the cross bar is two, and cross bar is symmetrical as symmetry axis using the transversal centerline of column.
Preferably, the protective film is rubber, and the connection type of protective film and upper clamp plate and lower clamp plate is to be glued.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of with the pressure gage for increasing measurement range function, has following
The utility model has the advantages that
1, this has the pressure gage for increasing measurement range function, and by the way that test tube clamp is arranged, test tube clamp is fixed by support frame
In the top of U-tube, when tested pressure is pressurized or operates suddenly does not pay attention to that pressure is caused to increase, test tube clamp can be used in U-shaped
Increase a test tube on the left side of pipe to be connected to U-tube, can be flushed away to avoid working solution, while increasing the measurement of pressure gage
Range.
2, this has the pressure gage for increasing measurement range function, by being arranged protective film, protective film can in upper clamp plate and
Lower clamp plate is when clamping test tube, to shielding outside test tube, avoids test tube excessive because of the extruding force of upper clamp plate and lower clamp plate
Cause to rupture.
3, this has the pressure gage for increasing measurement range function, and by the way that cross bar is arranged, support frame is connect by cross bar with U-tube
Together, the stability of support frame is increased, the test tube that can prevent test tube clamp from clamping is toppled over.
4, this has the pressure gage for increasing measurement range function, and by the way that inserted link is arranged, inserted link loop bar is socket, driving motor
Turntable rotation is driven, so that connecting rod squeezes the first spring, drives inserted link to move back and forth inside loop bar, realizes support
The automatic telescopic of frame facilitates test tube clamp to clamp the test tube of different height, and has saved manpower.
5, this has the pressure gage for increasing measurement range function, and by the way that ball is arranged, ball can be stretched automatically in support frame
The friction that inserted link and loop bar are reduced when contracting, advantageously reduces the abrasion of inserted link and loop bar, economizes on resources.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the structural schematic diagram of support frame of the present invention;
Fig. 3 is the structural schematic diagram of test tube clamp of the present invention;.
In figure: 1 pedestal, 3 support bases, 4 cross bars, 5 U-tubes, 6 graduated scales, 7 support frames, 8 test tube clamps, presss from both sides on 81 2 columns
Plate, 82 lower clamp plates, 83 protective films, 84 through-holes, 85 second springs, 9 conduits, 10 cylinders, 11 cans, 12 rubber membranes, 13 metals
Bar, 14 inserted links, 15 loop bars, 16 sliding slots, 17 fixed links, 18 balls, 19 motor cabinets, 20 driving motors, 21 turntables, 22 connecting rods,
23 first springs, 24 fixed blocks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of pressure gage with increase measurement range function,
Including pedestal 1, the top left side of pedestal 1 is fixedly installed with column 2, and the top right side of pedestal 1 is fixedly installed with support base 3, stands
The right side of column 2 is fixedly installed with cross bar 4, and cross bar 4 links together support frame 7 and U-tube 5, increases the stabilization of support frame 7
Property, the test tube that can prevent test tube clamp 8 from clamping topples over, and the quantity of cross bar 4 is two, and cross bar 4 is with the transversal centerline of column 2
Symmetry axis is symmetrical, and cross bar 4 is fixedly installed with the U-tube 5 positioned at 3 top of support base far from the side of column 2, U-tube 5
Inside is fixedly installed with graduated scale 6, and the top of column 2 is fixedly installed with support frame 7, and the right side of support frame 7 is fixedly installed with position
Test tube clamp 8 above U-tube 5, test tube clamp 8 is fixed on the top of U-tube 5 by support frame 7, when tested pressure is pressurized suddenly
Or operation does not pay attention to that pressure is caused to increase, and test tube clamp 8 can be used and increase a test tube and U-tube 5 on the left side of U-tube 5
Connection, can be flushed away, while increasing the measurement range of pressure gage to avoid working solution, and test tube clamp 8 includes upper clamp plate 81, upper folder
The lower section of plate 81 is fixedly installed with lower clamp plate 82, and the left side of 82 opposite side of upper clamp plate 81 and lower clamp plate is provided with protective film 83,
Protective film 83 can in upper clamp plate 81 and lower clamp plate 82 when clamping test tube, to shielding outside test tube, avoid test tube because
The extruding force of upper clamp plate 81 and lower clamp plate 82 is excessive to be caused to rupture, and protective film 83 is rubber, and protective film 83 and upper clamp plate 81 and
The connection type of lower clamp plate 82 is to be glued, and the junction of upper clamp plate 81 and lower clamp plate 82 offers through-hole 84, is consolidated in through-hole 84
Dingan County is equipped with second spring 85, and the right side of U-tube 5 is communicated with one end and extends to conduit 9 inside cylinder 10, the bottom of conduit 9
It is fixedly installed with can 11, the bottom of can 11 is fixedly installed with rubber membrane 12, the fixed peace of the top right side of can 11
The metallic rod 13 of 10 top of cylinder is extended to equipped with one end.
Support frame 7 includes inserted link 14, and the right side of inserted link 14 is fixedly installed with loop bar 15, the inner cavity top of loop bar 15 and bottom
Sliding slot 16 is offered, sliding slot 16 is symmetrical as symmetry axis using the longitudinal midline of loop bar 15, is fixedly installed in sliding slot 16
Fixed pole 17, the outer cover of fixed link 17 are equipped with ball 18, and ball 18 can reduce inserted link 14 and set in 7 automatic telescopic of support frame
The friction of bar 15 advantageously reduces the abrasion of inserted link 14 Yu loop bar 15, economizes on resources, and ball 18, which is isodistantly spaced, is sleeved on fixed link
17 outside, and the quantity of ball 18 is no less than nine, is fixedly installed with motor cabinet 19, motor on the inner cavity right side wall of loop bar 15
The upper surface of seat 19 is fixedly installed with driving motor 20, and turntable 21, turntable 21 are fixedly installed at the output shaft of driving motor 20
Left side be fixedly installed with the connecting rod 22 being fixedly connected on the right side of inserted link 14, the outer cover of connecting rod 22 is equipped with the first spring
23, the first spring 23 is provided with the fixed block 24 being sleeved on outside connecting rod 22,14 loop bar 15 of inserted link close to the side of inserted link 14
For socket, driving motor 20 drives turntable 21 to rotate, so that connecting rod 22 squeezes the first spring 23, inserted link 14 is driven to cover
Move back and forth inside bar 15, realize the automatic telescopic of support frame 7, facilitates test tube clamp 8 to clamp the test tube of different height, and save
Manpower.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
In conclusion this has the pressure gage for increasing measurement range function, by the way that test tube clamp 8 is arranged, test tube clamp 8 passes through branch
Support 7 is fixed on the top of U-tube 5, when tested pressure is pressurized or operates suddenly does not pay attention to that pressure is caused to increase, examination can be used
Pipe clamp 8 increases a test tube on the left side of U-tube 5 and is connected to U-tube 5, can be flushed away to avoid working solution, increase simultaneously
The measurement range of pressure gage, by the way that protective film 83 is arranged, protective film 83 can clamp test tube in upper clamp plate 81 and lower clamp plate 82
When, to shielding outside test tube, avoids test tube from causing to rupture because the extruding force of upper clamp plate 81 and lower clamp plate 82 is excessive, pass through
Cross bar 4 is set, and support frame 7 and U-tube 5 are linked together, increase the stability of support frame 7, can prevent test tube by cross bar 4
The test tube that folder 8 is clamped is toppled over, and by the way that inserted link 14 is arranged, 14 loop bar 15 of inserted link is socket, and driving motor 20 drives turntable 21 to rotate,
So that connecting rod 22 squeezes the first spring 23, drives inserted link 14 to move back and forth inside loop bar 15, realize support frame 7
Automatic telescopic facilitates test tube clamp 8 to clamp the test tube of different height, and has saved manpower, and by the way that ball 18 is arranged, ball 18 can be with
The friction that inserted link 14 and loop bar 15 are reduced in 7 automatic telescopic of support frame, advantageously reduces the abrasion of inserted link 14 Yu loop bar 15, saves
About resource solves when carrying out experiment test using pressure gage, pressure is tested no more than instrument measurement range, if because tested
Object, which is pressurized or operates suddenly, does not pay attention to that pressure is caused to increase, and working solution can be made to be flushed away, if mercury working solution is flushed away, both
Bring loss, it is also possible to cause the danger of mercury poisoning, therefore the measurement range of pressure gage receives certain limitation, press in measurement
Not very convenient problem when strong.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.