CN105937936A - Dual-step double-precision electronic weighing scale having adjusting mechanism - Google Patents
Dual-step double-precision electronic weighing scale having adjusting mechanism Download PDFInfo
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- CN105937936A CN105937936A CN201610096284.8A CN201610096284A CN105937936A CN 105937936 A CN105937936 A CN 105937936A CN 201610096284 A CN201610096284 A CN 201610096284A CN 105937936 A CN105937936 A CN 105937936A
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- 238000005303 weighing Methods 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 title abstract 3
- 238000002788 crimping Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 8
- 230000003044 adaptive effect Effects 0.000 claims description 7
- 238000005868 electrolysis reaction Methods 0.000 claims description 6
- 125000003003 spiro group Chemical group 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 2
- 210000004027 cell Anatomy 0.000 description 75
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 230000037396 body weight Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/44—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing persons
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/005—Means for preventing overload
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
Abstract
The invention discloses a dual-step double-precision electronic weighing scale having an adjusting mechanism. The electronic weighing scale comprises a carrying plate for placing a to-be-weighed object, a pedestal arranged below the carrying plate, and dual-step double-precision weighing sensors that are arranged in the pedestal and are used for supporting the carrying plate. All dual-step double-precision weighing sensors consist of mounting seats, first precision weighing sensors, second precision weighing sensors, supporting legs, elastic supporting members and adjusting mechanisms. The mounting seats are provided with mounting plate parts and guiding and supporting parts for transmitting pressures to the mounting plate parts; the elastic supporting members, the first precision weighing sensors, the mounting plate parts, the second precision weighing sensors, and the supporting legs are arranged successively in a pressing mode. The tops of the elastic supporting members are higher than the tops of guiding and supporting parts in a free state and move down when forces are applied on the tops of the elastic supporting members. The dual-step double-precision electronic weighing scale has the dual-step continuous ranges and has different precision values in ranges at all steps.
Description
Technical field
The invention belongs to load cell structure design field, be specifically related to a kind of double essence in double rank with governor motion
Degree weighing electronic scale.
Background technology
Body weight electronic scale in the market, its structure mainly includes support board, display screen, regulation button, power module
With the LOAD CELLS composition for supporting support board, its function is mainly used in human body of weighing, and is usually when carrying object
After weight exceedes preset value, display screen just starts to show numerical value, and this preset value is usually 5 kilograms；It addition, this kind of body weight
The maximum range of electronic scale is usually 180 kilograms, and accuracy value only has 100 grams, and error is relatively big, so this traditional body
Weight electronic balancer, on ordinary days in addition to weighing in, substantially cannot function as its use, especially cannot be used for as electronic scale
With.And existing electronic scale, its accuracy value can reach 1 gram the least, but its range is usually no more than 10
Kilogram, use so cannot function as scale.
Summary of the invention
It is an object of the invention to provide a kind of tool that there is the continuous range in double rank and there is in the range of each rank different accuracy value
There is double rank double precision weighing electronic scale of governor motion.
The technical scheme realizing the object of the invention is: a kind of double rank double precision weighing electronic scale with governor motion, including
For put object to be claimed support board, be arranged on the base below support board and arrange in the base for carrier
Double rank double precision LOAD CELLS of plate；Each pair of rank double precision LOAD CELLS includes mounting seat, the first precision weighing and sensing
Device, the second precision LOAD CELLS, a spike, elastic supporting piece and governor motion；Described mounting seat is provided with mounting plate portion
With power of the leading support for self pressure being passed to mounting plate portion；Elastic supporting piece, the first precision weighing and sensing
Device, mounting plate portion, the second precision LOAD CELLS, a spike crimp setting successively；Elastic supporting piece include upper supporting part,
Spring and lower supporting part；The upper end of spring is connected on upper supporting part, and the lower end of spring is connected on lower supporting part, lower
Bearing member crimping is arranged on the first precision LOAD CELLS；The top of lower supporting part is provided with annular spacing groove and is positioned at annular limit
Regulation screw at the groove center of position；The diapire of upper supporting part be provided with and lead the adaptive annular of power support lead power pressure contact portion,
Downward projection of for spring upper end being carried out spacing positive stop lug boss and being positioned at the regulation slide opening of positive stop lug boss center；Bullet
Spring upper end is set on this positive stop lug boss periphery wall, and apical grafting is on the diapire of upper supporting part；Described governor motion includes adjusting
Joint screw；Described regulation slide opening is stepped hole, is the bigger less cunning of crimping porose area and aperture in aperture the most successively
Porose area, the diapire of crimping porose area is as electrolysis, and slide opening district is smooth circular hole；Described regulation screw is the most successively
It is provided with the portion of screwing, traveller portion and the spiro union portion adaptive with regulation screw；Described spiro union portion is spirally connected and is fixed on the tune of lower supporting part
In joint screw, during free state, under the top pressure effect of spring, the portion of screwing is positioned in crimping porose area, and screws the end in portion
Side pressure is connected on the diapire of crimping porose area, namely on described electrolysis；Traveller portion is then positioned in slide opening district；At External Force Acting
Under, described upper supporting part can slide up and down under the guide effect in regulation screw traveller portion.
In such scheme, the range of the first precision LOAD CELLS is less than the range of the second precision LOAD CELLS.
In such scheme, being provided with four open-works in base, each pair of rank double precision LOAD CELLS is fixed on by bonding mode
In a corresponding open-work.
In such scheme, the top of elastic supporting piece is adhesively fixed on the diapire being arranged on support board.
When the present invention weighs in the first rank range, namely the power pressure contact portion of leading not yet is displaced downwardly to be crimped on and leads on power support
Time, although the first precision LOAD CELLS and the second precision LOAD CELLS stress simultaneously, but the first precision can be utilized to claim
The independent check weighing of weight sensor, namely externally connected with display screen only shows the data that the first precision LOAD CELLS measures, its accuracy value
Being the accuracy value of the first precision LOAD CELLS, general use higher precision, such as accuracy value is 1 gram or less；
When weighing in the second range, namely lead to defeat and meet subordinate and move to be crimped on when leading on power support, although the first precision claims
Weight sensor and the second precision LOAD CELLS stress simultaneously, but the second independent check weighing of precision LOAD CELLS can be utilized,
Namely externally connected with display screen only shows the data that the second precision LOAD CELLS measures, its accuracy value is the second precision weighing and sensing
The accuracy value of device, general uses relatively low precision, and such as accuracy value is 100 grams or bigger；It addition, the present invention is
When weighing in second order range ability, now leading to defeat meeting subordinate and move to be crimped on and lead on power support, spring deformation no longer increases
Add, namely the pressure being applied on the first precision LOAD CELLS is not further added by, thus effectively protect the first precision to weigh biography
Sensor so that it is will not damage because load is overweight；Additionally, the present invention by select spring as the core of elastic supporting piece,
Can make to lead power pressure contact portion by selecting suitable spring and lead there is between power support suitable clearance distance, can
Reduce mounting seat and the requirement on machining accuracy of elastic supporting piece, can guarantee that again comfort during use.
Accompanying drawing explanation
Fig. 1 is a kind of explosive view of the present invention；
Fig. 2 is a kind of perspective view of double rank double precision LOAD CELLS in electronic scale shown in Fig. 1；
Fig. 3 is that double rank double precision LOAD CELLS shown in Fig. 2 are in the first rank range and weigh a kind of structural representation of state；
Fig. 4 is that double rank double precision LOAD CELLS shown in Fig. 2 are in second-order range and weigh a kind of structural representation of state；
Fig. 5 is a kind of structural representation when upper supporting part and regulation screw association in double rank double precision LOAD CELLS shown in Fig. 2
Figure；
Fig. 6 is a kind of explosive view on double rank double precision LOAD CELLS shown in Fig. 2；
Fig. 7 is a kind of explosive views when another angle is observed of double rank double precision LOAD CELLS shown in Fig. 2.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of double rank double precision weighing electronic scale with governor motion, as shown in Fig. 1 to Fig. 7, including
For putting the support board 91 of object to be claimed, being arranged on the base 92 below support board and arrange four use in the base
Double rank double precision LOAD CELLS 93 in supporting support board；Being provided with four open-works 94 in base, each pair of rank double precision claims
Weight sensor is fixed in a corresponding open-work by bonding mode.
The each pair of rank double precision LOAD CELLS includes that mounting seat the 1, first precision LOAD CELLS the 2, second precision is weighed biography
Sensor 3, spike 4, elastic supporting piece 5 and for regulating the governor motion 6 of elastic supporting piece height.
Described mounting seat is provided with mounting plate portion 11 and for self pressure being passed to power of the leading support of mounting plate portion
12；Elastic supporting piece, the first precision LOAD CELLS, mounting plate portion, the second precision LOAD CELLS, a spike are successively
Crimping is arranged.
Mounting plate portion is horizontally disposed with, and the roof of mounting plate portion is provided with the first deck, and diapire is provided with the second deck.First
The existence of deck and the second deck is so that the installation of the first precision LOAD CELLS and the second precision LOAD CELLS is grasped
Make more rapid and convenient.Power of the leading support 12 of mounting seat is the annular boss projecting upwards formation from mounting plate portion, institute
State the first deck, the first precision LOAD CELLS and elastic supporting piece to be arranged in the cavity 121 that this annular boss surrounds.
This structure makes to lead power support and elastic supporting piece and the first precision LOAD CELLS can be trapped among wherein, props up elasticity
Bearing member and the first precision LOAD CELLS have certain protective effect so that it is be not easily susceptible to extraneous factor interference.
In the present embodiment, the first precision force cell is LOAD CELLS for kitchen use, and its range is 0 to 5 kilogram, essence
Angle value can reach 1 gram；This first precision LOAD CELLS is provided with first fixed part the 21, first load deformations 22 and
The first resistance strain gage 23 for detecting the first load deformations deflection being arranged in the first load deformations；Specifically
For, the shape of described first fixed part be by four edges combination formed rectangular box-like, the shape of the first load deformations
It is to be combined " mountain " font formed, the first load deformation by a base and three straight flanges arranging with this base vertical
Portion is arranged in the rectangle frame of the first fixed part, the end of the center straight flange in three straight flanges of described first load deformations
It is connected with the inner side edge wall of a frame middle-end of the first fixed part.Described first fixed part is fixed on the first deck
In；First load deformations exceeds described mounting plate portion, for its deformation slot milling.This first precision LOAD CELLS
Planform is relatively reasonable, it is easy to by impact style processing and manufacturing, and cost is relatively low.
Elastic supporting piece includes upper supporting part 51, spring 52 and lower supporting part 53；The upper end of spring is connected to upper supporting part
On, the lower end of spring is connected on lower supporting part, and lower supporting part crimping is arranged on the first precision LOAD CELLS.Specifically
For, lower supporting part crimping is arranged in the first load deformations, the first fixed part be installed on mounting plate portion roof the
On one deck, and crimping is arranged in mounting plate portion.The top 50 of elastic supporting piece in free state namely is not stressed
Time exceed the top 120 leading power support, move down during the top pressure-bearing stress of the top of elastic supporting piece namely upper supporting part.
This structure is by arranging upper supporting part, spring and lower supporting part split, it is simple to processing and manufacturing and maintenance are changed.Upper
The top of bearing member is adhesively fixed on the diapire being arranged on support board.
In the present embodiment, lower supporting part is fixedly installed in the first load deformations by screw connection manner.First load deformation
Portion is provided with two the first fastener holes 221；The bottom of lower supporting part is provided with by two the first screws 222 first tight with this
Gu two fastening screws 531 that hole is fastenedly connected.Specifically, being positioned in described three straight flanges of first load deformations
Two straight flanges of straight flange both sides, center, are respectively provided with first fastener hole 221.This structure is by direct lower supporting part
It is fixedly installed in the first load deformations of the first precision LOAD CELLS, crimps the first load shape realizing lower supporting part
While change portion, also utilizing the first load deformations directly to position lower supporting part, its structure more simplifies rationally.
In concrete practice, it is possible to by anchor mode, lower supporting part is fixed on the first precision LOAD CELLS, such as
The diapire of lower supporting part arranges two downwardly projecting anchor boss, the first load deformations arranges two anchors
Hole, each boss that is anchored passes anchor process after a corresponding anchor hole, and this mode is also effective and feasible.
The top of lower supporting part is provided with annular spacing groove 532 and is positioned at the regulation screw 534 of annular spacing groove center；On
The diapire of supporting member is provided with the annular adaptive with leading power support and leads power pressure contact portion 511, slightly downward prominent for right
Spring upper end carries out spacing positive stop lug boss 515 and is positioned at the regulation slide opening 516 of positive stop lug boss 515 center；On spring
End is set on this positive stop lug boss 515 periphery wall, and apical grafting is on the diapire of upper supporting part, and the leading to defeat of upper supporting part connects
Portion 511 is provided with and leads the annular groove that power support top is adaptive.
Described governor motion includes regulating screw 63；Described regulation slide opening is stepped hole, is that aperture is bigger the most successively
The less slide opening district 5162 of crimping porose area 5161 and aperture, the diapire of crimping porose area is as electrolysis 5163, slide opening district
5162 is smooth circular hole；Described regulation screw be sequentially provided with from top to bottom the portion of screwing 631, traveller portion 632 and with regulation
The spiro union portion 633 of screw 534 adaptation；Described spiro union portion 633 is spirally connected in the regulation screw 534 being fixed on lower supporting part,
During free state, under the top pressure effect of spring 52, screw portion 631 and be positioned in crimping porose area 5161, and screw portion
Bottom is crimped on the diapire of crimping porose area 5161, namely on described electrolysis 5163；Traveller portion 632 is then positioned at slide opening
In district 5162；Under external force, described upper supporting part can under the guide effect in regulation screw traveller portion 632 up and down
Slide.This structure connects upper supporting part and lower supporting part by using regulation screw so that it is become an entirety so that
Upper supporting part and spring are difficult to lose；Simultaneously by this regulation screw of turn, can directly adjust leading of upper supporting part and defeat
Connect the clearance distance between power of the leading support of portion and mounting seat；This structure comparison compact and reasonable.
The advantage of governor motion is: in concrete practice, and in elastic component, the concordance of spring 52 is difficult to ensure that, due to
Weighing scale and kitchen scale typically can use four double rank double precision LOAD CELLSs simultaneously, and the spring that concordance is difficult to ensure that will
The height that can cause four LOAD CELLSs is slightly distinguished, and impact assembles and uses, and even picks up electronic scale when user and sees
When examining, the most at grade, pole is unsightly in the bottom of each spike；The present embodiment uses governor motion to adjust elasticity
The whole height of bearing member, even if so that the present embodiment uses the slightly larger spring of error, also has only to regulation gland rotation
Forward position to, the concordance of whole height can be ensured.Prevent from regulating gland it addition, the effect of elastomeric pad here is not only
Loosen, it is also possible to by selecting the elastomeric pad of differing heights to adjust whole height, or the leading of regulation upper supporting part
Gap between power of the leading support of power pressure contact portion and mounting seat, with the demand under satisfied different occasions.
It addition, the present embodiment also can arrange static contact leading power support top, power of the leading pressure contact portion at upper supporting part is arranged
The moving contact adaptive with this static contact；When this lead power pressure contact portion be crimped on lead on power support time, moving contact crimping be arranged on
On static contact, both realize electrical connection.In concrete practice, when moving contact and static contact electrical contact, produce a telecommunications
Number give be connected external central control circuit, when central control circuit receives this signal, show second on a display screen
The data that precision LOAD CELLS measures；When central control circuit does not receives this signal, show first on a display screen
The data that precision LOAD CELLS measures；In other words, combine can be as display screen video data for this dynamic/static contact
Automatically the signal switch of conversion.In concrete practice, also can use other structure, for example with tongue tube, close
Switches etc. replace the combination of this dynamic/static contact.
This structure takes full advantage of the performance advantage of spring, by selecting suitable spring, so that during free state,
Upper supporting part is led the gap on power pressure contact portion 511 and power of the leading support top 120 of mounting seat and is in suitably sized, typically
Preferably 1 millimeter to 5 millimeters, preferably preferred size is 2 millimeters to 3 millimeters, and excessive gap can weigh at human body
Time significantly fall sense to people because power of leading pressure contact portion now have to be displaced downwardly to be crimped on lead on power support, namely
Move down whole above-mentioned gap size；Too small gap may require that higher machining accuracy, improves technology difficulty and manufacturing cost.
Mounting seat is additionally provided with in the lower section of mounting plate portion and encloses the holding part 13 forming containing cavity 131, this holding part and installation
Plate portion is made into integration, and the second precision LOAD CELLS and a spike are arranged in this containing cavity, and the bottom of a spike is the most downward
Stretch out this containing cavity.The advantage of this structure is to protect the second precision LOAD CELLS and a spike, anti-
Only it is disturbed by extraneous factor.The present embodiment is to be formed integrally part leading power support, mounting plate portion and holding part,
In concrete practice, it is possible to it is each made split part, is finally assemblied at together, be also feasible.
In the present embodiment, the second precision LOAD CELLS is human body weighing's sensor, and its range is 0 kilogram to 50 kilograms,
Accuracy value is 100 grams；Second precision LOAD CELLS is provided with second fixed part the 31, second load deformations 32 and sets
Put the second resistance strain gage 33 for detecting the second load deformations deflection in the second load deformations.
The present embodiment is owing to using four double rank double precision LOAD CELLSs, and the scope of weighing of the first rank range is 0 to 20
Kilogram, the demand that daily small articles is weighed can be met, the scope of weighing of second-order range is 20 to 200 kilograms, can
To meet the demand of human body weighing.
In the present embodiment, the shape of the second precision LOAD CELLS is similar to instead " G " font, and its second fixed part approximates
" C " font, the shape of the second load deformations is similar to less " C " font, and with the second fixed part phase
Even, combination forms anti-" G " font.The first precision LOAD CELLS in the present embodiment and the second precision LOAD CELLS
It is suitable for, by impact style processing and manufacturing, advantageously reducing manufacturing cost.
Second fixed part is installed in the second deck on mounting plate portion diapire, and the second load deformations is less than described installing plate
Portion, for its deformation slot milling, the second load deformations crimping simultaneously is arranged on the top of a spike.
In the present embodiment, the first precision LOAD CELLS used and the second precision LOAD CELLS may be used without the most widely
Circulation and the cheapest force cell of price, thus effectively reduce manufacturing cost.
In the present embodiment, the basic configuration of a spike is cylindric, and its bottom is provided with rubber slipmat 41.
In the present embodiment, being provided with containing cavity bottom opening at holding part bottom center, this opening part is provided with for blocking accommodating
The capping 15 of chamber bottom opening；Capping includes that interior cover region 152, outer cover region 153 and the interior cover region of connection and outer cover region are many
Bar spiral elastic arm 154, is provided with center hole 151 at inner cap district center；The bottom propping up spike extends downwardly from the center of capping
Circular hole, and the inwall of the periphery wall of spike and cap central circular hole is adhesively fixed.Owing to spiral elastic arm can be made foot
Enough tiny, this kind of structure can fully reduce a power passing through capping between spike outer wall and mounting seat and transmit so that it is causes
Error affect for the precision in second-order range, reach the degree ignored.
Capping 15 with holding part with the use of, the second precision LOAD CELLS being pointed in containing cavity is preferably protected
Protect.
In the present embodiment, the range of the first precision LOAD CELLS is less than the range of the second precision LOAD CELLS, namely
It is to say that the maximum of the first precision LOAD CELLS value of weighing is less than the maximum of the second precision LOAD CELLS and weighs value, passes through
Choose suitable spring, and select suitable power of leading pressure contact portion and the distance led between power support, can be by the first essence
Degree LOAD CELLS pressure is limited in its range ability, thus prevents the first LOAD CELLS from being pressed because of overweight
Damage；The advantage of this limiter protected mode is: owing to the elastic deformation of strain gauge load cell is the least, such as this reality
The deformation difference in height executed in example in the whole range of the first precision LOAD CELLS is calculated in microns, if using rigid support
Replace the spring in the present embodiment, then the gap between power of leading pressure contact portion and power of the leading support of mounting seat of upper supporting part is also
Must weigh with micron, this is the most too high to requirement on machining accuracy, and in view of the error in materials processing molding and
Material that the temperature difference causes expands change, industrial is difficulty with；If but use spring to amplify deformation, just can effectively have
Effect reduces requirement on machining accuracy and manufacturing cost.
Upper supporting part is in free state namely when not being stressed, and the top 50 of upper supporting part exceeds the top leading power support
120；Move down during upper supporting part pressure-bearing stress, when upper supporting part pressure-bearing stress is less than 5 kilogram, namely on the first rank
Time in range ability, by selecting suitable spring and selecting suitable power of leading pressure contact portion and lead the spacing of power support,
During so that weigh in this rank range, the power pressure contact portion of leading will not be crimped onto and cause on support, namely upper supporting part bears
Whole pressure, and pass to spring, lower supporting part, the first precision LOAD CELLS, mounting plate portion, the second essence successively
Degree LOAD CELLS and a spike；Show what the first precision LOAD CELLS measured now by external central control circuit
Data, its accuracy value is up to 1 gram；When upper supporting part pressure-bearing stress is less than 50 kilograms and is more than or equal to 5 kilogram,
Namely time in second-order range ability, the power pressure contact portion of leading can be crimped on leads on power support, due to spring pressure not
It is further added by, thus effectively protects the first precision LOAD CELLS will not be because of overweight crushing；Now in upper supporting part pressure,
Having 5 kilograms in concrete practice, this force value may be slightly changed because of machining accuracy error, but not over the first essence
Degree LOAD CELLS maximum load value, from without damage the first precision LOAD CELLS pass to successively spring,
Bearing member, the first precision LOAD CELLS, mounting plate portion, the second precision LOAD CELLS and a spike；Remaining pressure then leads to
Cross the power support of leading and pass to mounting plate portion, the second precision LOAD CELLS and a spike successively；At this moment controlled by central authorities
Circuit shows the data that the second precision LOAD CELLS measures, and its accuracy value only has 100 grams.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not to this
The restriction of the embodiment of invention.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And this
Belong to obvious change that the connotation of the present invention extended out a bit or variation still falls within protection scope of the present invention.
Claims (4)
1. there is double rank double precision weighing electronic scale of governor motion, including the support board for putting object to be claimed；
It is characterized in that: also include being arranged on the base below support board and arranging the double rank for supporting support board in the base
Double precision LOAD CELLS；The each pair of rank double precision LOAD CELLS include mounting seat, the first precision LOAD CELLS, second
Precision LOAD CELLS, a spike, elastic supporting piece and governor motion；Described mounting seat is provided with mounting plate portion and for handle
Self pressure passes to power of the leading support of mounting plate portion；Elastic supporting piece, the first precision LOAD CELLS, installation
Plate portion, the second precision LOAD CELLS, a spike crimp setting successively；
Elastic supporting piece includes upper supporting part, spring and lower supporting part；The upper end of spring is connected on upper supporting part, spring
Lower end be connected on lower supporting part, lower supporting part crimping be arranged on the first precision LOAD CELLS；
The top of lower supporting part is provided with annular spacing groove and is positioned at the regulation screw of annular spacing groove center；Upper supporting part
Diapire be provided with the annular adaptive with leading power support lead power pressure contact portion, downward projection of for spring upper end is carried out spacing
Positive stop lug boss and be positioned at the regulation slide opening of positive stop lug boss center；Spring upper end is set on this positive stop lug boss periphery wall,
And apical grafting is on the diapire of upper supporting part；
Described governor motion includes regulating screw；Described regulation slide opening is stepped hole, is that aperture is bigger the most successively
The less slide opening district of crimping porose area and aperture, the diapire of crimping porose area is as electrolysis, and slide opening district is smooth circular hole；Institute
State regulation screw and be sequentially provided with the portion of screwing, traveller portion and the spiro union portion adaptive with regulation screw from top to bottom；Described spiro union portion
Being spirally connected in the regulation screw being fixed on lower supporting part, during free state, under the top pressure effect of spring, the portion of screwing is positioned at pressure
Connect in porose area, and the bottom screwing portion is crimped on the diapire of crimping porose area, namely on described electrolysis；Then position, traveller portion
In slide opening district；Under external force, described upper supporting part can slide up and down under the guide effect in regulation screw traveller portion.
Double rank double precision weighing electronic scale with governor motion the most according to claim 1, it is characterised in that:
The range of the first precision LOAD CELLS is less than the range of the second precision LOAD CELLS.
Adjustable pair of rank double precision weighing electronic scale the most according to claim 1, it is characterised in that: in base
Being provided with four open-works, each pair of rank double precision LOAD CELLS is fixed in a corresponding open-work by bonding mode.
Adjustable pair of rank double precision weighing electronic scale the most according to claim 1, it is characterised in that: elastic
The top of bearing member is adhesively fixed on the diapire being arranged on support board.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096284.8A CN105937936A (en) | 2016-01-20 | 2016-01-20 | Dual-step double-precision electronic weighing scale having adjusting mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610096284.8A CN105937936A (en) | 2016-01-20 | 2016-01-20 | Dual-step double-precision electronic weighing scale having adjusting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484516A (en) * | 2018-12-25 | 2019-03-19 | 上海快仓智能科技有限公司 | Objective table and carrier with the objective table |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104838243A (en) * | 2014-07-23 | 2015-08-12 | 王雅苹 | Electronic scale |
| CN104897253A (en) * | 2015-06-06 | 2015-09-09 | 安徽汉威电子有限公司 | A weighing device for liquid flow standard device |
-
2016
- 2016-01-20 CN CN201610096284.8A patent/CN105937936A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104838243A (en) * | 2014-07-23 | 2015-08-12 | 王雅苹 | Electronic scale |
| CN104897253A (en) * | 2015-06-06 | 2015-09-09 | 安徽汉威电子有限公司 | A weighing device for liquid flow standard device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484516A (en) * | 2018-12-25 | 2019-03-19 | 上海快仓智能科技有限公司 | Objective table and carrier with the objective table |
| CN109484516B (en) * | 2018-12-25 | 2024-05-14 | 上海快仓智能科技有限公司 | Loading platform and transport vehicle having the same |
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