CN207832057U - A kind of lever meter - Google Patents
A kind of lever meter Download PDFInfo
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- CN207832057U CN207832057U CN201721879640.XU CN201721879640U CN207832057U CN 207832057 U CN207832057 U CN 207832057U CN 201721879640 U CN201721879640 U CN 201721879640U CN 207832057 U CN207832057 U CN 207832057U
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- pivot axle
- moving grid
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- 238000005259 measurement Methods 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000006073 displacement reaction Methods 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 11
- 238000012937 correction Methods 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 239000002360 explosive Substances 0.000 description 7
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- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 208000032369 Primary transmission Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012733 comparative method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model is related to a kind of lever meters, including shell, measurement lever, displacement sensor and microcontroller；The end for measuring lever extends to after the enclosure interior and is moved with institute displacement sensors synchronous hunting to measure；The microcontroller is in the shell and swings the signal correction generated by institute's displacement sensors and calculate measurement result, and the liquid crystal display for showing measurement result is additionally provided on the outside of the shell；Institute's displacement sensors are made of the moving grid of fixed grid and sector structure；The fixed grid is fixed on the top that the measurement lever end is corresponded in the shell, and the moving grid is fixed on the end for measuring lever and is swung with opposite fixed grid after lever links is measured.The lever meter has avoided the entire precise motion transmission mechanism between lever arm and moving grid, on the one hand production cost is greatly saved, in addition any intermediary movements transmission mechanism is not present with moving grid in lever arm, reduces because the error that Multi-stage transmission is formed, greatly improves measurement accuracy.
Description
Technical field
The utility model is related to measure clothing arts, and in particular to a kind of lever meter.
Background technology
Lever meter is otherwise known as lever indicator or Pictest, and traditional lever meter is to utilize lever-gear drive, will
Change in size is pointer angular displacement, and indicates the measurement instrument of length dimension numerical value, for measuring workpiece geometries error
With mutual alignment correctness, and available comparative method for measuring length.
With the development of measuring technique, occur making the number of measurement result digital display by displacement sensor currently on the market
Aobvious lever meter.Existing domestic and international digital display lever meter is all will on the mechanical component i.e. gear drive of original machine tool lever meter
The pointer of dial gauge changes capacitive grating encoder into and is transformed, and therefore, also maintains gear drive.The machine of mechanical lever table
Tool component is a precision component, the especially complex manufacturing technology of precision gear transmission mechanism, not only to production equipment requirement
Height, and service life is also low.
Application No. is the Chinese utility model patents of CN99124574.1 to disclose a kind of capacitive grid type digital display lever meter, though
The right mechanical structure and circuit structure for simplifying existing digital display lever meter to a certain extent, but the capacitive grid type digital display lever meter
Moving grid is installed on circle turntable, and circle turntable, by shaft (rotation center of circle turntable) rotatable setting, lever arm pushes away
Dynamic circle turntable rotates around the axis.Therefore, movement certainly will be formed between above-mentioned capacitive grid type digital display lever meter lever arm and circle turntable to pass
Mechanism is passed, otherwise justifying turntable can not rotate, and if lever arm end is sector gear, circle turntable periphery is equipped with and sector gear phase
The gear teeth matched, lever swing push circle turntable to rotate by the sector gear of its end.No matter adopted between lever arm and circle turntable
With which kind of movement transferring, can increase at least level-one movement and transmit, as long as and increase level-one movement and transmit, will improve into
This and introduce error, and increased transmission mechanism will also influence essence at work after Reusability as gear can form abrasion
Degree, eventually leads to the reduced service life of lever meter.
Utility model content
In conclusion in order to overcome the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide one kind
Lever meter.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of lever meter, including shell, measurement thick stick
Bar, displacement sensor and microcontroller；Institute's displacement sensors are in the inside of the shell；The measurement lever is rotatably pacified
It fills on the housing, and its front end stretches out the shell and is externally provided with measurement contact, after end extends to the enclosure interior
It is moved with institute displacement sensors synchronous hunting to measure；The microcontroller is in the shell and is passed by the displacement
Sensor swings the signal correction generated and calculates measurement result, is additionally provided on the outside of the shell and shows measurement result
The liquid crystal display come；Institute's displacement sensors are any one in capacitor grid transducer, magnetic induction sensor or CCD displacement sensors
Kind, it is made of the moving grid of fixed grid and sector structure；The fixed grid, which is fixed in the shell, corresponds to the measurement lever end
Top, the moving grid be fixed on the end for measuring lever and with measure lever linkage after opposite fixed grid swing.
The utility model has the beneficial effects that：The lever meter has avoided the biography of the entire precise motion between lever arm and moving grid
Mechanism is passed, production cost is on the one hand greatly saved, in addition any intermediary movements transmission mechanism is not present with moving grid in lever arm, subtracts
Few error formed because of Multi-stage transmission, greatly improves measurement accuracy.
Based on the above technical solution, the utility model can also do following improvement：
Further, it is corresponded on the shell and is equipped with limitation survey at the position of the measurement lever or measurement lever rotation center
The anti-deflection mechanism of beat occurs in rotation process for amount lever.
Further, the measurement lever includes the primary lever and second lever being arranged axially back and forth along the shell；Institute
The middle part for stating primary lever is rotatably mounted on the end of the shell by the rotation center component, and institute is stretched out in front end
It states and measures contact described in shell Ligation in vitro, end corresponds to the front of the second lever；The front of the second lever, which is equipped with, to be made
It is in the Pivot axle rotated in the shell, and two before and after the front of the two level bar corresponds to the Pivot axle
Side is respectively equipped with stirred from different directions by the primary lever end after keep same direction rotate finger, the two level
The moving grid is fixed on the end of lever；The shell is equipped with during the second lever is in rotation described in limitation
Beat occurs for Pivot axle to realize that beat occurs in rotation process for limitation second lever to ensure the fixed grid and institute
State the anti-deflection mechanism of clearance constant between moving grid.
Advantageous effect using above-mentioned further scheme is：Fixed grid and moving grid must keep gap during relative swing
It is constant just to can guarantee measurement accuracy, ensure that the gap of fixed grid and moving grid during relative swing is permanent by the way that anti-deflection mechanism is arranged
Determine to ensure measurement accuracy.
Further, the anti-deflection mechanism includes two stop screws；It is corresponded in the shell in the Pivot axle
Side is equipped with for the fixed plate at the top of rotatably mounted Pivot axle, and the bottom of the Pivot axle is rotatably mounted on
On the shell at corresponding position；A wherein stop screw is mounted in the shell and under the corresponding moving grid
Side and the bottom for withstanding moving grid upwards, another stop screw are in the fixed plate and downwardly against the level-one thick stick
The upper surface of bar.
Further, the anti-deflection mechanism includes that two limitation Pivot axles are sent out with vertical direction in the horizontal direction
The deep groove ball bearing of raw beat；Two deep groove ball bearings are in the shell and above and below the corresponding Pivot axles
The upper and lower part of position, the Pivot axle is set on two deep groove ball bearings.
Further, the anti-deflection mechanism includes that two limitation Pivot axles are sent out with vertical direction in the horizontal direction
The thrust ball bearing of raw beat；Two thrust ball bearings are in the shell and above and below the corresponding Pivot axles
The upper and lower part of position, the Pivot axle is set on two thrust ball bearings.
Further, the anti-deflection mechanism includes that two limitation Pivot axles are sent out with vertical direction in the horizontal direction
The limit shaft of raw beat；It corresponds to be equipped with above the Pivot axle in the shell and is used for rotatably mounted Pivot axle top
It rotatably installs at corresponding position on the housing the bottom of the fixed plate in portion, the Pivot axle；Described in two
Limit shaft is arranged in parallel in the upper and lower position in the shell and in the middle part of the corresponding second lever.
Further, the anti-deflection mechanism is the guide groove with the second lever ends match；It is right in the shell
It answers and is equipped with above the Pivot axle for the fixed plate at the top of rotatably mounted Pivot axle, the Pivot axle
It rotatably installs at corresponding position on the housing bottom；The guide groove is in the shell and corresponds to the two level
At the position of lever end, the end of the second lever reaches the guide groove after reaching the outside of the moving grid bottom
It is interior.
Advantageous effect using above-mentioned further scheme is：The anti-deflection mechanism of diversified forms ensures that fixed grid and moving grid exist
Clearance constant during relative swing meets the needs of different productions or measurement work.
Further, further include the conducting wire in the direction for identifying that the primary lever stirs the second lever；Close to institute
The bottom for stating the finger of moving grid is erected at by insulation sleeve on the second lever；One end of the conducting wire connects the fixed grid,
The finger of the close moving grid of its other end connection, and the fixed grid, the conducting wire, the finger close to the moving grid and institute
A signal being switched on or off can be formed in the case where primary lever is to the stirring of second lever different directions by stating primary lever
Circuit, the microcontroller identify that the primary lever stirs the second lever according to the conducting and disconnection of the signal circuit
Direction, and correct in the shell axially manufacture of upper Pivot axle both sides part or rigging error.
Advantageous effect using above-mentioned further scheme is：By identifying that the swaying direction of primary lever overcomes rotation center
The manufacture of axis both sides part or rigging error, further increase measurement accuracy.
Further, the measurement lever is that level-one measures lever, and the moving grid is fixed on the end that the level-one measures lever
On end；The anti-deflection mechanism includes two stop screws；It corresponds to be equipped with above the Pivot axle in the shell and be used for
It rotatably installs on the housing the bottom of fixed plate at the top of rotatably mounted Pivot axle, the Pivot axle
At corresponding position；A wherein stop screw is mounted in the shell and corresponds to the lower section of the moving grid and pushes up upwards
The firmly bottom of moving grid, another stop screw are in the fixed plate and downwardly against the upper table of the primary lever
Face.
Advantageous effect using above-mentioned further scheme is：Simplify and measure lever as primary lever, and ensures that lever is being surveyed
Beat does not occur in amount work, ensures measurement accuracy while simplifying lever meter structure.
Further, further include the conducting wire in the direction for identifying that the primary lever is swung；Described one is corresponded in the shell
The lower section at grade lever rear portion is rotatably equipped with support plate by shaft, correspond in the shell above the shaft equipped with being used for
The bottom of fixed plate at the top of rotatably mounted shaft, the shaft is rotatably installed by corresponding position on the housing
Place；The axial both sides of its center of rotation are corresponded in the support plate be equipped with straight up dialled from different directions by the primary lever
Dynamic finger is erected at by insulation sleeve in the support plate close to the bottom of the finger of the moving grid；
One end of the conducting wire connects the fixed grid, and the other end connects the finger close to the moving grid, and described fixed
Grid, the conducting wire, the finger close to the moving grid and the primary lever dial support plate different directions in primary lever
A signal circuit being switched on or off can be formed under dynamic, the microcontroller is known according to the conducting and disconnection of the signal circuit
Do not go out the direction that the primary lever is swung, and corrects and be in primary lever rotation center both sides part in the shell axial direction
Manufacture or rigging error.
Advantageous effect using above-mentioned further scheme is：By identifying that the swaying direction of primary lever overcomes revolving part two
The manufacture of side part or rigging error, further increase measurement accuracy.
Description of the drawings
Fig. 1 is the explosive view of embodiment one；
Fig. 2 is the vertical view that embodiment one removes the components such as case top lid and fixed grid；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the graphics that Fig. 2 removes fixed plate；
Fig. 5 is the explosive view (removal shell upper and lower covers and liquid crystal display etc.) of embodiment two；
Fig. 6 is the vertical view that embodiment two removes case top lid；
Fig. 7 is the A-A sectional views of Fig. 6；
Fig. 8 is the explosive view (removal shell upper and lower covers and liquid crystal display etc.) of embodiment three；
Fig. 9 is the vertical view that embodiment three removes case top lid；
Figure 10 is the A-A sectional views of Fig. 9；
Figure 11 is the explosive view (removal shell upper and lower covers and liquid crystal display etc.) of example IV；
Figure 12 is the vertical view that example IV removes case top lid；
Figure 13 is the A-A sectional views of Figure 12；
Figure 14 is the explosive view (removal shell upper and lower covers and liquid crystal display etc.) of embodiment five；
Figure 15 is the vertical view on the removal shell of embodiment five；
Figure 16 is the A-A sectional views of Figure 15；
Figure 17 is the explosive view (removal shell upper and lower covers and liquid crystal display etc.) of embodiment six；
Figure 18 is the vertical view that embodiment six removes case top lid；
Figure 19 is the A-A sectional views of Figure 18.
Figure 20 is the explosive view (removal shell upper and lower covers and liquid crystal display etc.) of embodiment seven；
Figure 21 is the vertical view that embodiment seven removes case top lid；
Figure 22 is the A-A sectional views of Figure 21；
Figure 23 is the B enlarged drawings of Figure 22.
In attached drawing, parts list represented by the reference numerals are as follows：
1, shell, 2, primary lever, 3, measure contact, 4, liquid crystal display, 5, fixed grid, 6, moving grid, 7, second lever, 8,
Pivot axle, 9, finger, 10, screw, 11, deep groove ball bearing, 12, thrust ball bearing, 13, limit shaft, 14, guide groove, 15,
Conducting wire, 16, insulation sleeve, 17, sphere, 18, revolving part, 19, lid, 20, support plate, 21, fixed plate.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
Embodiment one
As shown in Figs 1-4, a kind of lever meter, including shell 1, measurement lever, displacement sensor and microcontroller.The displacement
Sensor is in the inside of the shell 1, and the measurement lever is rotatably mounted on the shell 1, and its front end is stretched
Go out the shell 1 and be externally provided with to measure contact 3, end extend to behind 1 inside of the shell with institute's displacement sensors synchronous hunting
It moves to measure.The microcontroller is in the shell 1 and swings the signal correction generated by institute's displacement sensors
And measurement result is calculated, the liquid crystal display 4 for showing measurement result is additionally provided in the outside of the shell 1.It is described
Displacement sensor is any one in capacitor grid transducer, magnetic induction sensor or CCD displacement sensors, by fixed grid 5 and sector
The moving grid 6 of structure forms.The fixed grid 5 is fixed on the top that the measurement lever end is corresponded in the shell 1, the moving grid
6 are fixed on the end for measuring lever and are swung with opposite fixed grid 5 after lever links is measured.Since moving grid 6 is with respect to fixed grid 5
The simultaneously non-translational motion for rotary motion, so moving grid 6 is designed as sector structure, to which its grid is also designed to sector.
It is corresponded on the shell 1 and is equipped with limitation measurement lever at the position of the measurement lever or measurement lever rotation center
The anti-deflection mechanism of beat occurs in rotation process.
The measurement lever includes the primary lever 2 being arranged axially back and forth along the shell 1 and second lever 7；Described one
The middle part of grade lever 2 is rotatably mounted on the end of the shell 1, and front end, which is stretched out outside the shell 1, connects the measurement
Contact 3, end correspond to the front of the second lever 7；The front of the second lever 7, which is equipped with, makes it in the shell 1 turns
Dynamic Pivot axle 8, and the front of the two level bar 7 correspond to 8 front and rear sides of the Pivot axle be respectively equipped with by
2 end of the primary lever keeps the finger 9 that same direction rotates, the end of the second lever 7 after stirring from different directions
The moving grid 6 is fixed on end；The shell 1 is equipped with and limits the rotation during second lever 7 is in rotation
Beat occurs for central shaft 8 to realize that beat occurs in rotation process for limitation second lever 7 to ensure the fixed grid 5 and described
The anti-deflection mechanism of clearance constant between moving grid 6.It is specific as follows：
The anti-deflection mechanism includes two stop screws 10；8 top of the Pivot axle is corresponded in the shell 1 to set
It is useful for the fixed plate 21 at 8 top of rotatably mounted Pivot axle, the bottom of the Pivot axle 8 is rotatably mounted on
On the shell 1 at corresponding position；A wherein stop screw 10 is mounted in the shell 1 and the corresponding moving grid
6 lower section and the bottom for withstanding moving grid 6 upwards, another stop screw 10 be in the fixed plate 21 and downwardly against
The upper surface of the primary lever 2.In measurement process, one is formed since moving grid 6 is fixed on second lever 7,6 quilt of moving grid
Two about 10 stop screws withstand and are stuck in centre, and when moving grid 6 is with respect to 5 rotation measuring of fixed grid, moving grid 6 limits spiral shell in two
It is rotated between nail 10.Under the action of stop screw 10, moving grid 6 is it is not possible that occur beat, to keep and determine in rotation process
The clearance constant of grid 5, it is ensured that (moving grid turns round after swinging under the action of reset components such as torsional spring measurement accuracy, is existing skill
Art is not introduced herein).In addition, moving grid 6 is directly anchored on second lever 7 in the lever meter, lever arm is avoided and has moved
Entire precise motion transmission mechanism between grid, is on the one hand greatly saved production cost, in addition lever arm is not present with moving grid
Any intermediary movements transmission mechanism is reduced because the error that Multi-stage transmission is formed, further improves measurement accuracy.
It requires, in the part for measuring the relative rotation of lever rotation center both sides, to reach very high in existing lever meter
The accuracy of manufacture, for example need to overcome manufacture or dress by constantly debugging in micron-sized tolerance grade or assembling process
It can just meet the requirements with error.If part will reach such as IT1 grades of micron-sized tolerance grade, IT2 grades of tolerances can then cause
The manufacturing cost of part increases considerably.Therefore, to overcome above-mentioned technical problem, mechanical lever table is generally mostly by special at present
Industry technical staff's adjustment comes out, this requirement to related personnel is very high, needs to carry out training for a long time to it can be only achieved.
The utility model overcomes above-mentioned technical problem by following proposal：
The lever meter further includes the conducting wire 15 in the direction for identifying that the primary lever 2 stirs the second lever 7.It leans on
The bottom of the finger 9 of the nearly moving grid 6 is erected at by insulation sleeve 16 on the second lever 7, and one end of the conducting wire 15 connects
The fixed grid 5 is connect, the other end connects the finger 9 close to the moving grid 5, and the fixed grid 5, the conducting wire 15, close institute
The finger 9 and the primary lever 2 for stating moving grid 5 can be formed in the case where primary lever 2 is to the stirring of 7 different directions of second lever
One signal circuit being switched on or off；The microcontroller identifies the level-one according to the conducting and disconnection of the signal circuit
The direction that lever 2 stirs the second lever 7, and correct in the 2 both sides part of the axial Pivot axle of the shell 1
Manufacture or rigging error.Fig. 4 is please referred to, (primary lever 2 is stirred far from dynamic when the end of primary lever 2 is rotated towards the directions a
The finger 9 of grid 6), the end of primary lever 2 can be far from the finger 9 close to moving grid 5, since the bottom of the finger 9 is equipped with insulation sleeve
16, when the end of primary lever 2 is detached from close to the finger 9 of moving grid 5, by fixed grid 5, conducting wire 15, close to moving grid 5 finger 9 with
And the signal circuit that primary lever 2 is formed will be gone off from script conducting state；Conversely, when the end of primary lever 2 is towards a
(primary lever 2 stirs the finger 9 close to moving grid 6), the primary lever 2 in entire rotation process when the opposite direction rotation of direction
End can be close to always the finger 9 close to moving grid 5, and signal circuit will be always maintained at conducting state.Microcontroller is according to above-mentioned
The variation of signal circuit state can identify the rotation direction of primary lever 2, and then microcontroller is again to being in second lever 7
Rotation center (Pivot axle 8) both sides part manufacture or rigging error be modified respectively, avoid the essence eventually led to
Spend error.In conclusion by the conducting wire 15 of installation, the swaying direction of microcontroller identification primary lever 2 overcomes Pivot axle
The manufacture of both sides part or rigging error reduce while ensureing measurement accuracy to the making of part and assembly precision requirement,
Also remove the work that professional technician debugs repeatedly from, greatly reduce manufacturing cost.
In addition, since sensor moving grid 5 is to be directly anchored to measure on lever arm, fixed position determines lever meter
Amplification ratio in measurement process, due in batch production process it is difficult to ensure that the fixed position of each moving grid 5 is identical, institute
Just will produce amplification ratio error, Product Precision is impacted.The utility model is using the microcontroller of itself band to each lever meter
Amplification ratio do coefficient amendment, it is ensured that measure lever amplification than accuracy so that in process of production moving grid 5 measure thick stick
Not stringent status requirement is installed on lever arm, reduces assembly difficulty to substantially reduce manufacturing cost.
Embodiment two
Anti- deflection mechanism is made in the embodiment and is changed, other structures are consistent with embodiment one.As illustrated in figs. 5-7, described
Anti- deflection mechanism includes two and limits the deep groove ball bearing that beat occurs with vertical direction in the horizontal direction for the Pivot axle 8
11；Two deep groove ball bearings 11 are in the shell 1 and the position of about the 8 corresponding Pivot axle, the rotation
The upper and lower part for turning central shaft 8 is set on two deep groove ball bearings 11.Deep groove ball bearing 11 due to itself
Design feature, inner ring are that horizontal direction position is fixed radially, and i.e. vertical direction can slide up and down (bottom stopper in the axial direction
Point).Therefore, Pivot axle 8 can be limited in level side by being sleeved in Pivot axle 8 by first deep groove ball bearing 11
To generation beat；When filling second deep groove ball bearing 11, no matter second deep groove ball bearing 11 is in first deep groove ball bearing
11 top or lower section, the only inner ring of the inner ring and first deep groove ball bearing 11 of guaranteed second deep groove ball bearing 11
Position is staggered, and the inner ring of such as first deep groove ball bearing 11 is in top dead centre, then the inner ring of second deep groove ball bearing 11
In lower dead center, the inner rings of two deep groove ball bearings under interaction cannot lower slider in the vertical direction, to realize
It limits Pivot axle 8 and beat occurs with vertical direction in the horizontal direction.Pivot axle 8 does not occur that beat, 6 turns of moving grid occurs
It can keep, with the clearance constant of fixed grid 5, finally ensuring measurement accuracy during dynamic.
Embodiment three
Anti- deflection mechanism is made in the embodiment and is changed, other structures are consistent with embodiment one.As seen in figs. 8-10, described
Anti- deflection mechanism includes two and limits the thrust ball bearing that beat occurs with vertical direction in the horizontal direction for the Pivot axle 8
12；Two thrust ball bearings 12 are in the shell 1 and the position of about the 8 corresponding Pivot axle, the rotation
The upper and lower part for turning central shaft 8 is set on two deep groove ball bearings 11.Thrust ball bearing 12 due to itself
Design feature, inner ring in the axial direction be vertical direction position fix, radially i.e. horizontal direction can horizontally slip (left and right stop
Point).Therefore, Pivot axle 8 can be limited in vertical side by being sleeved in Pivot axle 8 by first thrust ball bearing 12
To generation beat；When filling second thrust ball bearing 12, no matter second thrust ball bearing 12 is in first thrust ball bearing
12 top or lower section, the only inner ring of the inner ring and first thrust ball bearing 12 of guaranteed second thrust ball bearing 12
Position is staggered, and the inner ring of such as first thrust ball bearing 12 is in left stop, then the inner ring of second thrust ball bearing 12
In right stop, the inner ring of two deep groove ball bearings cannot horizontally slip in the horizontal direction under interaction, to realize
It limits Pivot axle 8 and beat occurs with vertical direction in the horizontal direction.Pivot axle 8 does not occur that beat, 6 turns of moving grid occurs
It can keep, with the clearance constant of fixed grid 5, finally ensuring measurement accuracy during dynamic.
Example IV
Anti- deflection mechanism is made in the embodiment and is changed, other structures are consistent with embodiment one.As figs 11-13, institute
It includes the limit shaft that beat occurs with vertical direction in the horizontal direction for two limitation Pivot axles 8 to state anti-deflection mechanism
13；8 top of the Pivot axle is corresponded in the shell 1 to be equipped with for the fixation at the top of rotatably mounted Pivot axle 8
The bottom of plate 21, the Pivot axle 8 is rotatably mounted on the shell 1 at corresponding position；Two limits
Axis 13 is arranged in parallel in the shell 1 and the upper and lower position at 7 middle part of the corresponding second lever.Second lever 7 is in up and down
Between two limit shafts 13, and the distance between limit shaft 13 matches with second lever 7, and second lever 7 can only be at two
It is rotated between limit shaft 13, beat does not occur to limit second lever 7.Since second lever 7 and moving grid 6 are the same rotation
Center (Pivot axle 8), the two does not have relative motion in measurement process, under the premise of beat does not occur for second lever 7,
It can keep, with the clearance constant of fixed grid 5, finally can likewise ensure that measurement accuracy in 6 rotation process of moving grid.
Embodiment five
Anti- deflection mechanism is made in the embodiment and is changed, other structures are consistent with embodiment one.As illustrated in figures 14-16, institute
It is the guide groove 14 with 7 ends match of the second lever to state anti-deflection mechanism；The rotation center is corresponded in the shell 1
8 top of axis is equipped with the fixed plate 21 for 8 top of rotatably mounted Pivot axle, and the bottom of the Pivot axle 8 can turn
Dynamic is mounted on the shell 1 at corresponding position；The guide groove 14 is in the shell 1 and corresponds to the second lever
At the position of 7 ends, the end of the second lever 7 reaches the guide groove 14 after reaching the outside of 6 bottom of the moving grid
It is interior.The cavity of guide groove 14 matches with moving grid 6, and the end of moving grid 6 is oriented in the cavity of guide groove 14 and in guide groove 14
Lower swing can keep, with the clearance constant of fixed grid 5, finally can likewise ensure that measurement accuracy in rotation process.
Embodiment six
As in figs. 17-19, the measurement lever is that level-one measures lever 2, and the moving grid 6 is fixed on the level-one and measures
On the end of lever 2；The anti-deflection mechanism includes two stop screws 10；The Pivot axle 8 is corresponded in the shell 1
Top is equipped with the fixed plate 21 for 8 top of rotatably mounted Pivot axle, and the bottom of the Pivot axle 8 is rotatable
On the shell 1 at corresponding position；A wherein stop screw 10 is mounted in the shell 1 and corresponding institute
State the lower section of moving grid 6 and withstand the bottom of moving grid 6 upwards, another stop screw 10 be in the fixed plate 21 and to
Under withstand the upper surface of the primary lever 2.The embodiment anti-deflection principle is identical as embodiment one, not only can guarantee moving grid
Measurement accuracy is improved in 6 rotation processes with the clearance constant of fixed grid 5, and moving grid 6 is fixed on level-one measurement thick stick in the embodiment
On the end of bar 2, second lever is saved so that entire mechanical structure is simpler.After saving second lever, measure contact 3 with
Direction that both moving grids 6 are swung is on the contrary, the zero point of lever meter is in an intermediate position, and not zero point in embodiment one to five
In a side position.Therefore, when reaching the same range in the same circumstances, the volume of the lever meter of the embodiment is done big by one
Point greatly improves measurement accuracy due to only there was only primary transmission.In addition, the embodiment uses primary lever
The anti-deflection mechanism that the lever meter of structure can use above-described embodiment two to five any according to actual needs, to ensure 6 turns of moving grid
During dynamic with the clearance constant of fixed grid 5 and improve measurement accuracy.
With above-mentioned, the utility model reduces making and the assembly precision requirement of part by the way that conducting wire 15 is arranged, and has
Body is as follows：
The lower section that 2 rear portion of the primary lever is corresponded in the shell 1 is rotatably equipped with support plate 20 by shaft 22,
22 top of the shaft is corresponded in the shell 1 to be equipped with for the fixed plate 21 at the top of rotatably mounted shaft 22, the shaft
22 bottom is rotatably mounted on the shell 1 at corresponding position；Its center of rotation is corresponded in the support plate 20
Axial both sides are equipped with the finger 9 stirred from different directions by the primary lever 2 straight up, close to the finger 9 of the moving grid 6
Bottom be erected in the support plate 20 by insulation sleeve 16.One end of the conducting wire 15 connects the fixed grid 5, the other end
Connection close to the moving grid 6 finger 9, and the fixed grid 5, the conducting wire 15, close to the finger 9 of the moving grid and described
Primary lever 2 can form a signal being switched on or off in the case where primary lever 2 is to the stirring of 20 different directions of support plate
Circuit；The microcontroller identifies the direction that the primary lever 2 is swung according to the conducting and disconnection of the signal circuit, and corrects
The manufacture in 2 rotation center both sides part of primary lever or rigging error in 1 axial direction of the shell.
Figure 18 is please referred to, when end, that is, moving grid 6 of primary lever 2 is rotated towards the directions b, corresponds to dialling far from moving grid 6
The position (middle part) of pin 9 is equally rotated towards the directions b, and the middle part of primary lever 2 can be far from the finger 9 close to moving grid 5, due to this group
The bottom of pin 9 is equipped with insulation sleeve 16, when the middle part of primary lever 2 is detached from close to the finger 9 of moving grid 5, by fixed grid 5, conducting wire 15,
The signal circuit formed close to the finger 9 and primary lever 2 of moving grid 5 will be gone off from script conducting state；Conversely, working as
When the end of primary lever 2 is rotated towards the directions b opposite direction, the middle part of primary lever 2 can be tight always in entire rotation process
Close to the finger 9 close to moving grid 5, signal circuit will be always maintained at conducting state, and (support plate rotates synchronously, and multiple after rotation
Position).Microcontroller can identify the rotation direction of primary lever 2 according to the variation of above-mentioned signal circuit state, then monolithic
Machine is again modified the manufacture or rigging error of the rotation center both sides part in primary lever 2 respectively, can equally keep away
Exempt from the trueness error eventually led to.
Embodiment seven
Anti- deflection mechanism is made in the embodiment and is changed, other structures are consistent with embodiment six.As depicted in figs. 20-23, institute
It includes sphere 17 and revolving part 18 to state anti-deflection mechanism, and the revolving part 18 is in the centre of 1 end of the shell, top and
Bottom is respectively equipped with the conical socket to match with the sphere 17；There are two the spheres 17, and two spheres 17 are distinguished
In the conical socket；The middle part of the primary lever 2 is connect with the revolving part 18, and 1 end of the shell corresponds to institute
Stating equal screw thread installation at the position of sphere 17, there are one be pressed into sphere 17 to limit the revolving part in corresponding conical socket
18 occur the lid 19 of beats, and the lid 19 corresponds at the position of the sphere 17 to be also equipped with and match with sphere 17
Conical socket.Two lids 19 adjust position of the sphere 17 in conical socket up and down for rotation so that the top and bottom of sphere 17
Portion both sides are tangent with the inner wall of conical socket, ensure sphere 17 can only in conical socket around its axial rotation without beat,
It can be rotated again with minimum frictional force simultaneously, and then ensure to keep the clearance constant with fixed grid 5 in 6 rotation process of moving grid.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (11)
1. a kind of lever meter, including shell (1), measurement lever, displacement sensor and microcontroller；Institute's displacement sensors are in institute
State the inside of shell (1)；The measurement lever is rotatably mounted on the shell (1), and the shell is stretched out in its front end
Body (1), which is externally provided with, measures contact (3), and end is moved after extending to the shell (1) inside with institute's displacement sensors synchronous hunting
To measure；The microcontroller is in the shell (1) and swings the signal correction generated by institute's displacement sensors
And measurement result is calculated, the liquid crystal display (4) for showing measurement result is additionally provided on the outside of the shell (1)；
It is characterized in that, institute's displacement sensors are any one in capacitor grid transducer, magnetic induction sensor or CCD displacement sensors,
It is made of the moving grid (6) of fixed grid (5) and sector structure；The fixed grid (5), which is fixed in the shell (1), corresponds to the measurement
The top of lever end, the moving grid (6) are fixed on the end for measuring lever and relatively fixed after lever links with measuring
Grid (5) are swung.
2. lever meter according to claim 1, which is characterized in that correspond to the measurement lever or survey on the shell (1)
It measures and is equipped with the anti-deflection mechanism that beat occurs in rotation process for limitation measurement lever at the position of lever rotation center.
3. lever meter according to claim 2, which is characterized in that the measurement lever includes axial along the shell (1)
The primary lever (2) and second lever (7) of front and back setting；The middle part of the primary lever (2) is rotatably mounted on the shell
The end of body (1), front end stretch out the shell (1) and connect the measurement contact (3) outside, and end corresponds to the second lever
(7) front；The front of the second lever (7), which is equipped with, makes it in the Pivot axle (8) rotated in the shell (1), and
And it corresponds to the Pivot axle (8) front and rear sides in the front of the second lever (7) and is respectively equipped with by the primary lever
(2) finger (9) of same direction rotation is kept after end is stirred from different directions, is consolidated on the end of the second lever (7)
Surely there is the moving grid (6)；The shell (1) is equipped with and is limited during the second lever (7) rotate in the rotation
Mandrel (8) occur beat to realize limitation second lever (7) in rotation process occur beat with ensure the fixed grid (5) and
The anti-deflection mechanism of clearance constant between the moving grid (6).
4. lever meter according to claim 3, which is characterized in that the anti-deflection mechanism includes two stop screws
(10)；It corresponds to be equipped with above the Pivot axle (8) in the shell (1) and be pushed up for rotatably mounted Pivot axle (8)
The bottom of the fixed plate (21) in portion, the Pivot axle (8) is rotatably mounted on corresponding position on the shell (1)
Place；A wherein stop screw (10) is mounted in the shell (1) and corresponds to the lower section of the moving grid (6) and pushes up upwards
The firmly bottom of moving grid (6), another stop screw (10) are in the fixed plate (21) and downwardly against the level-one
The upper surface of lever (2).
5. lever meter according to claim 3, which is characterized in that the anti-deflection mechanism includes two limitation rotations
The deep groove ball bearing (11) of beat occurs with vertical direction in the horizontal direction for central shaft (8)；Two deep groove ball bearings (11)
In the shell (1) and the position of the corresponding Pivot axle (8) up and down, the top of the Pivot axle (8) and
Lower part is set on two deep groove ball bearings (11).
6. lever meter according to claim 3, which is characterized in that the anti-deflection mechanism includes two limitation rotations
The thrust ball bearing (12) of beat occurs with vertical direction in the horizontal direction for central shaft (8)；Two thrust ball bearings (12)
In the shell (1) and the position of the corresponding Pivot axle (8) up and down, the top of the Pivot axle (8) and
Lower part is set on two thrust ball bearings (12).
7. lever meter according to claim 3, which is characterized in that the anti-deflection mechanism includes two limitation rotations
The limit shaft (13) of beat occurs with vertical direction in the horizontal direction for central shaft (8)；It is corresponded in the rotation in the shell (1)
It is equipped with for the fixed plate (21) at the top of rotatably mounted Pivot axle (8), the Pivot axle (8) above mandrel (8)
Bottom be rotatably mounted on the shell (1) at corresponding position；Two limit shafts (13) are arranged in parallel in institute
State the upper and lower position in shell (1) and in the middle part of the corresponding second lever (7).
8. lever meter according to claim 3, which is characterized in that the anti-deflection mechanism be and the second lever (7)
The guide groove (14) of ends match；It corresponds to and is equipped with above the Pivot axle (8) for rotatably pacifying in the shell (1)
The fixed plate (21) at the top of Pivot axle (8) is filled, the bottom of the Pivot axle (8) is rotatably mounted on the shell
(1) at corresponding position；The guide groove (14) is in the shell (1) position for corresponding to the second lever (7) end
Set place, the end of the second lever (7) reaches after reaching the outside of the moving grid (6) bottom in the guide groove (14).
9. according to claim 3 to 8 any one of them lever meter, which is characterized in that further include identifying the primary lever
(2) conducting wire (15) in the direction that the second lever (7) is stirred；Pass through close to the bottom of the finger (9) of the moving grid (6) exhausted
Edge set (16) is erected on the second lever (7)；One end of the conducting wire (15) connects the fixed grid (5), and the other end connects
Connect the finger (9) of the nearly moving grid (6), and the fixed grid (5), the conducting wire (15), the finger close to the moving grid (6)
(9) and the primary lever (2) can form one in the case where primary lever (2) is to the stirring of second lever (7) different directions
The signal circuit being switched on or off；The microcontroller identifies the primary lever according to the conducting and disconnection of the signal circuit
(2) direction that the second lever (7) is stirred, and correct Pivot axle (8) both sides in the shell (1) axial direction
The manufacture of part or rigging error.
10. lever meter according to claim 2, which is characterized in that the measurement lever is that level-one measures lever (2), institute
Moving grid (6) is stated to be fixed on the end of the level-one measurement lever (2)；The anti-deflection mechanism includes two stop screws
(10)；It corresponds to be equipped with above the Pivot axle (8) in the shell (1) and be pushed up for rotatably mounted Pivot axle (8)
The bottom of the fixed plate (21) in portion, the Pivot axle (8) is rotatably mounted on corresponding position on the shell (1)
Place；A wherein stop screw (10) is mounted in the shell (1) and corresponds to the lower section of the moving grid (6) and pushes up upwards
The firmly bottom of moving grid (6), another stop screw (10) are in the fixed plate (21) and downwardly against the level-one
The upper surface of lever (2).
11. lever meter according to claim 10, which is characterized in that further include identifying that the primary lever (2) is swung
Direction conducting wire (15)；The lower section that the primary lever (2) rear portion is corresponded in the shell (1) is rotatable by shaft (22)
Be equipped with support plate (20), correspond in the shell (1) and is equipped with for rotatably mounted shaft (22) above the shaft (22)
The bottom of the fixed plate (21) at top, the shaft (22) is rotatably mounted on the shell (1) at corresponding position；Institute
It states and corresponds to the axial both sides of its center of rotation in support plate (20) and be equipped with straight up by the primary lever (2) from different directions
The finger (9) stirred is erected at the support plate close to the bottom of the finger (9) of the moving grid (6) by insulation sleeve (16)
(20) on；
One end of the conducting wire (15) connects the fixed grid (5), and the other end connects the finger (9) close to the moving grid (6), and
And the fixed grid (5), the conducting wire (15), the finger (9) close to the moving grid and the primary lever (2) are in primary lever
(2) to a signal circuit being switched on or off can be formed under the stirring of support plate (20) different directions；The microcontroller
The direction that the primary lever (2) is swung is identified according to the conducting of the signal circuit and disconnection, and is corrected in the shell (1)
Manufacture in primary lever (2) rotation center both sides part or rigging error in axial direction.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879640.XU CN207832057U (en) | 2017-12-28 | 2017-12-28 | A kind of lever meter |
| US16/610,501 US11175121B2 (en) | 2017-12-28 | 2018-07-17 | Lever indicator |
| PCT/CN2018/095986 WO2019128199A1 (en) | 2017-12-28 | 2018-07-17 | Lever gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879640.XU CN207832057U (en) | 2017-12-28 | 2017-12-28 | A kind of lever meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207832057U true CN207832057U (en) | 2018-09-07 |
Family
ID=63390369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721879640.XU Withdrawn - After Issue CN207832057U (en) | 2017-12-28 | 2017-12-28 | A kind of lever meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207832057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106508A (en) * | 2017-12-28 | 2018-06-01 | 桂林市晶准测控技术有限公司 | A kind of lever meter |
-
2017
- 2017-12-28 CN CN201721879640.XU patent/CN207832057U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106508A (en) * | 2017-12-28 | 2018-06-01 | 桂林市晶准测控技术有限公司 | A kind of lever meter |
| CN108106508B (en) * | 2017-12-28 | 2023-11-10 | 桂林市晶准测控技术有限公司 | Lever meter |
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