CN106289482A - A kind of double precision weighing electronic scale - Google Patents
A kind of double precision weighing electronic scale Download PDFInfo
- Publication number
- CN106289482A CN106289482A CN201610622967.2A CN201610622967A CN106289482A CN 106289482 A CN106289482 A CN 106289482A CN 201610622967 A CN201610622967 A CN 201610622967A CN 106289482 A CN106289482 A CN 106289482A
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- China
- Prior art keywords
- supporting part
- load cells
- mounting seat
- precision load
- spring
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Classifications
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- 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
- G01G19/62—Over or under weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/23—Support or suspension of weighing platforms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
- G01G3/1402—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
Abstract
The invention discloses a kind of double precision weighing electronic scale, including the support board for putting object to be claimed, be arranged on the base below support board and the double precision LOAD CELLS for supporting support board in the base is set；Each double precision LOAD CELLS includes crimping the first mounting seat of setting, the first precision LOAD CELLS, the second mounting seat, the second precision LOAD CELLS and elastic supporting piece successively；Elastic supporting piece includes upper supporting part, spring and lower supporting part, and the top of spring is connected on upper supporting part, and the bottom of elastic supporting piece is connected on lower supporting part；Second mounting seat is provided with leads power pressure contact portion, and lower supporting part is provided with leads power support；Under free state, the power pressure contact portion of leading exceeds leads power support；By the second precision LOAD CELLS compression spring during the second mounting seat pressure-bearing stress, and then drive to lead to defeat and meet subordinate and move, when the second mounting seat pressure-bearing stress is to predeterminable level, lead to defeat meeting subordinate and move to be crimped on and lead on power support.The present invention has the continuous range in double rank, and has different accuracy value in the range of each rank.
Description
Technical field
The invention belongs to equalizer technology field, be specifically related to a kind of double precision 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 carrier body weight
After amount 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 electronic scale
Maximum range is usually 180 kilograms, and accuracy value only has 100 grams, and error is relatively big, so this traditional body weight electronic scale removes on ordinary days
Outside weighing in, substantially cannot function as its use, especially cannot be used for using as electronic scale.And existing kitchen electricity
Sub-scale, its accuracy value can reach 1 gram the least, but its range is usually no more than 10 kilograms, so cannot function as scale
Use.
Summary of the invention
It is an object of the invention to provide and a kind of there is the continuous range in double rank and in the range of each rank, there is different accuracy value
Double precision weighing electronic scale.
The technical scheme realizing the object of the invention is: a kind of double precision weighing electronic scale, including for putting object to be claimed
Support board；It is characterized in that: also include being arranged on the base below support board and arrange in the base for a carrier
The double precision LOAD CELLS of plate；Each double precision LOAD CELLS includes governor motion and crimps the first installation of setting successively
Seat, the first precision LOAD CELLS, the second mounting seat, the second precision LOAD CELLS and elastic supporting piece；Elastic supporting piece bag
Including upper supporting part, spring and lower supporting part, the top of spring is connected on upper supporting part, and the bottom of elastic supporting piece is connected to down
On supporting member；Second mounting seat is provided with leads power pressure contact portion and mounting plate portion, and lower supporting part is provided with leads power support；Lower supporting part
Basic configuration is discoideus, is provided with the tube shape bulge with sliding chamber projecting upwards formation；The center of upper supporting part is provided with tune
Knothole, leads and has the annular bearing surface adaptive with leading power pressure contact portion on the roof of power support, and tube shape bulge is positioned at this annular
The center of bearing surface；The center of the tube shape bulge of lower supporting part, is additionally provided with from mounting plate portion circular connecting column protruding upward
Platform, the roof center of this connection pylon is provided with connection screw；Tube shape bulge couples pylon with circle and encloses formation annular stop
Groove；The bottom of spring is positioned at this annular spacing groove, and is connected on lower supporting part, and the top of spring is connected to upper supporting part
On diapire；Under free state, the power pressure contact portion of leading exceeds leads power support；
Second precision LOAD CELLS is provided with the second fixed part, the second load deformations and is arranged in the second load deformations
Second resistance strain gage；The top of upper supporting part is provided with two installation screws, the second load deformations be provided with two second tight
Gu；The top of upper supporting part is directly anchored to the end of the second load deformations by two second screws adaptive with installation screw
On wall；
Governor motion includes regulating screw, and this regulation screw is sequentially provided with the portion of screwing, slide connecting part from top to bottom and fits with adjustment hole
The spiro union portion joined, screws the external diameter external diameter more than slide connecting part in portion, and the shape of slide connecting part is the cylinder that outer wall is smooth；On described
The adjustment hole of supporting member is stepped hole, is the bigger less slide opening district of crimping porose area and aperture, aperture the most successively, pressure
Connecing the diapire of porose area as electrolysis, slide opening district is the circular hole that hole wall is smooth；Described spiro union portion is spirally connected to be fixed on and couples pylon
Couple in screw；During free state, under the top pressure effect of spring, the portion of screwing is positioned in crimping porose area, and screws the diapire in portion
It is crimped on the diapire of crimping porose area, namely on described electrolysis；Slide connecting part is then positioned in slide opening district；Under external force, sliding
The portion of connecing can slide up and down in slide opening district so that upper supporting part can regulation screw slide connecting part guide effect under on move down
Dynamic；
By the second precision LOAD CELLS compression spring during the second mounting seat pressure-bearing stress, and then drive is led to defeat and is met subordinate
Move, when the second mounting seat pressure-bearing stress is to predeterminable level, lead to defeat meeting subordinate and move to be crimped on and lead on power support.
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 second precision can be utilized to weigh
The independent check weighing of sensor, namely externally connected with display screen only shows the data that the second precision LOAD CELLS measures, its accuracy value is
The accuracy value of two precision LOAD CELLSs, general uses higher precision, and such as accuracy value is 1 gram or less；In the second amount
When weighing in journey, namely lead to defeat and meet subordinate and move to be crimped on when leading on power support, although the first precision LOAD CELLS and
Second precision LOAD CELLS stress simultaneously, but the first independent check weighing of precision LOAD CELLS can be utilized, namely external display
Screen only shows the data that the first precision LOAD CELLS measures, and its accuracy value is the accuracy value of the second precision LOAD CELLS, one
As to use relatively low precision, such as accuracy value be 100 grams or bigger；It addition, the present invention weighs in second-order range ability
Time, now lead to defeat meeting subordinate and move to be crimped on and lead on power support, spring deformation is not further added by, namely is applied to the second precision
Pressure on LOAD CELLS is not further added by, thus effectively protects the second precision LOAD CELLS so that it is will not be overweight because of load
And damage；Additionally, the present invention is by selecting spring as the core of elastic supporting piece, can make by selecting suitable spring
Lead power pressure contact portion and lead there is between power support suitable clearance distance, can reduce the second mounting seat and elastic supporting piece
Requirement on machining accuracy, can guarantee that again comfort during use.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention；
Fig. 2 is a kind of side view of electronic scale shown in Fig. 1；
Fig. 3 is a kind of structural representation that in electronic scale shown in Fig. 1, double precision LOAD CELLS is in the first rank range state；
Fig. 4 is a kind of structural representation when removing regulation screw and spring of the double precision LOAD CELLS shown in Fig. 3；
Fig. 5 is a kind of structural representation regulating screw in double precision LOAD CELLS shown in Fig. 3；
Fig. 6 is that double precision LOAD CELLS shown in Fig. 3 is in second-order range and weighs a kind of structural representation of state；
Fig. 7 is the first precision LOAD CELLS and a kind of explosive view of the first screw in double precision LOAD CELLS shown in Fig. 3；
Fig. 8 is the first precision LOAD CELLS shown in Fig. 7 and first screw a kind of explosive view when another angle is observed；
Fig. 9 is the second precision LOAD CELLS and a kind of explosive view of upper supporting part in double precision LOAD CELLS shown in Fig. 3；
Figure 10 is the second precision LOAD CELLS shown in Fig. 9 and the upper supporting part a kind of explosive view when another angle is observed；
Figure 11 is that in the second structure of the present invention, double precision LOAD CELLS is in the first rank range and weighs a kind of structure of state
Schematic diagram；
Figure 12 is that double precision LOAD CELLS shown in Figure 11 is in second-order range and weighs a kind of structural representation of state；
Figure 13 is that in the third structure of the present invention, double precision LOAD CELLS is in the first rank range and weighs a kind of structure of state
Schematic diagram；
Figure 14 is that double precision LOAD CELLS shown in Figure 13 is in second-order range and weighs a kind of structural representation of state；
Figure 15 is the first precision LOAD CELLS and a kind of explosive view of capping in double precision LOAD CELLS shown in Figure 13；
Figure 16 is the first precision LOAD CELLS shown in Figure 15 and the capping a kind of explosive view when another angle is observed.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of double precision weighing electronic scale with governor motion, as shown in Fig. 1 to Fig. 8, including for putting
The support board 91 of object to be claimed, it is arranged on the base 92 below support board and four in the base are set for supporting support board
Double precision LOAD CELLS 93.
Each double precision LOAD CELLS include crimping successively setting first mounting seat the 1, first precision LOAD CELLS 2,
Second mounting seat the 3, second precision LOAD CELLS 4 and elastic supporting piece 5；Elastic supporting piece includes upper supporting part 51, thread bullet
Spring 52 and lower supporting part 53.The top of spring is connected on upper supporting part, and the bottom of elastic supporting piece is connected on lower supporting part；
Lower supporting part is provided with leads power support 531.
The diapire of the first mounting seat is provided with the first deck 11, and the roof of the first mounting seat has a plane, is used for gluing
Knot is fixed on the diapire of external support board；First precision LOAD CELLS is provided with first fixed part the 21, first load deformations
22 and the first resistance strain gage 23 of being arranged in the first load deformations, the first resistance strain gage can be the first load deformation
The deformation produced during portion's pressure-bearing stress is converted into the signal of telecommunication；First fixed part clamping is arranged in the first deck, and this clamping sets
Put the assembly operation that can simplify the first precision LOAD CELLS；Second mounting seat is provided with leads power pressure contact portion 31 and mounting plate portion
32, mounting plate portion is horizontally disposed with, and the power pressure contact portion of leading is the annular boss being downwardly projected formation from mounting plate portion, mounting plate portion diapire
Center be provided with the second deck 33；Second precision LOAD CELLS is provided with second fixed part the 41, second load deformations 42 and
The second resistance strain gage 43 being arranged in the second load deformations, the second resistor disc is for the deformation of the second load deformations
It is converted into the signal of telecommunication；Second fixed part clamping is arranged in the second deck；First load deformation of the first precision LOAD CELLS
Portion's crimping is arranged in the mounting plate portion of the second mounting seat, and the second load deformations crimping of the second precision LOAD CELLS is arranged
On upper supporting part.The existence of the first deck and the second deck is so that the first precision LOAD CELLS and the second precision are weighed
The installation of sensor operates more rapid and convenient.
In the present embodiment, the second precision force cell is LOAD CELLS for kitchen use, and its range is 0 to 5 kilogram, precision
Value can reach 1 gram；Specifically, the shape of described second fixed part be by four edges combination formed rectangular box-like, second holds
The shape of power deformations is to be combined, by two bases and three straight flanges arranging with this base vertical, " mountain " font formed, the
Two load deformations are arranged in the rectangle frame of the second fixed part, the central straight in three straight flanges of described second load deformations
The inner side edge wall of the end on limit and a frame middle-end of the second fixed part is connected.The structure shape of this second precision LOAD CELLS
Shape is relatively reasonable, it is easy to by impact style processing and manufacturing, and cost is relatively low.
In the present embodiment, the first precision LOAD CELLS is human body weighing's sensor, and its range is 0 kilogram to 50 kilograms,
Accuracy value is 100 grams.
The present embodiment is owing to using four double precision LOAD CELLSs, and the scope of weighing of the first rank range is 0 to 20 kilogram,
Can meet the demand that daily small articles is weighed, the scope of weighing of second-order range is 20 to 200 kilograms, can meet body scale
The demand of weight.
In the present embodiment, the first precision LOAD CELLS is structurally similar to the second precision LOAD CELLS, but
On the thickness of size and sheet material used bigger than the first precision LOAD CELLS.Specifically, the shape of described first fixed part is
By four edges combination formed rectangular box-like, the shape of the first load deformations is by a base and to set with this base vertical
" mountain " font that three the straight flange combinations put are formed, the first load deformations is arranged in the frame of the first fixed part, and described first
The end of the center straight flange in three straight flanges of load deformations and the inner side edge wall phase of a frame middle-end of the first fixed part
Even.The first precision LOAD CELLS and the first precision LOAD CELLS in the present embodiment are suitable for by impact style processing system
Make, advantageously reduce manufacturing cost.It addition, the first precision LOAD CELLS and the second precision weighing and sensing used by the present embodiment
Device may be used without the force cell the most widely circulated and price is the cheapest, thus effectively reduces manufacturing cost.
In the present embodiment, the first load deformations is provided with two the first fastener holes 221, the mounting plate portion of the second mounting seat
Roof be provided with two and the adaptive fastening screws of the first fastener hole, the first load deformations is by adaptive with fastening screw
Two the first screws 24 are spirally connected on the roof being fixed on mounting plate portion.Specifically, described three straight flanges of first load deformations
In two straight flanges being positioned at straight flange both sides, center, be respectively provided with first fastener hole 221；Two the first screws are through corresponding
It is rotated with after first fastener hole in corresponding fastening screw, thus being spirally connected of mounting plate portion is fixed on the first load deformations
On diapire.This structure, while realizing the first load deformations crimping mounting plate portion, also utilizes the first load deformations straight
Meeting location and installation plate portion, its structure more simplifies compact.In concrete practice, it is possible to by being anchored mode the top of mounting plate portion
End is anchored on the diapire of the first load deformations, such as, arrange two anchors protruding upward on the roof of mounting plate portion convex
Platform, arranges two anchor holes in the first load deformations, and each boss that is anchored passes anchor process after a corresponding anchor hole, this anchor
The mode that connects also is effective and feasible.
In the present embodiment, the roof of upper supporting part is spirally connected by two the second screws 44 and is arranged on the second load deformations
On diapire；Specifically, the top of upper supporting part is provided with two installation screws 514, and the second load deformations is provided with two
Two fastenings 421；The top of upper supporting part is directly anchored to the second load by two second screws 44 adaptive with installation screw
On the diapire of deformations.In the present embodiment, described three straight flanges of second load deformations are positioned at the two of straight flange both sides, center
Bar straight flange, is respectively provided with second fastener hole.Certainly, described upper supporting part also can be fixedly installed on second by anchor mode and holds
On the diapire of power deformations.Such as, the roof of upper supporting part arranges two anchor boss protruding upward, is respectively anchored boss
After corresponding second fastener hole, then carry out anchoring process.This structure realize second load deformations crimping on
While bearing member, also utilizing the second load deformations directly to position upper supporting part, its structure more simplifies compact.
The basic configuration of lower supporting part is discoideus, is provided with the tube shape bulge 532 with sliding chamber projecting upwards formation；On
The center of supporting member is provided with adjustment hole 513, leads and has the ring-shaped bearing adaptive with leading power pressure contact portion on the roof of power support
Face, tube shape bulge is positioned at the center of this annular bearing surface.
The center of the tube shape bulge of lower supporting part, is additionally provided with the circle from mounting plate portion is protruding upward and couples pylon 534,
The roof center of this connection pylon is provided with connection screw 535；Tube shape bulge couples pylon with circle and encloses formation annular stop
Groove 536；The bottom of spring is positioned at this annular spacing groove, and is connected on lower supporting part, and the top of spring is connected to supporting
On the diapire of part.
In the present embodiment, lead power pressure contact portion and mounting plate portion is made into integration, and enclose formation one cavity, the second deck, the
Two precision LOAD CELLSs and upper supporting part are respectively positioned in this cavity.The advantage of this structure is to weigh the second precision
Sensor and upper supporting part are protected, and prevent extraneous factor from disturbing it.In concrete practice, it is possible to will lead to defeat connecing
Portion and mounting plate portion each make split part, are finally assemblied at together, are also feasible.
Under free state, the power pressure contact portion of leading exceeds leads power support；When the second mounting seat pressure-bearing stress by the second essence
Spend LOAD CELLS compression spring, and then drive is led to defeat and connect subordinate's shifting, when the second mounting seat pressure-bearing stress is to predeterminable level,
Lead to defeat and meet subordinate and move to be crimped on and lead on power support.
This relatively reasonable in structure, preferably spring can be accurately positioned, prevent its eccentric displacement, it addition, this
Plant structure to be especially suitable for quickly assembling and later maintenance replacing.Additionally, this structure is also fully utilized by the performance advantage of spring,
By selecting suitable spring, so that during free state, the bottom of power of the leading pressure contact portion of the second mounting seat and lower supporting part
The gap on power of leading support top be in suitably sized, it is generally preferable to being 1 millimeter to 5 millimeters, preferably preferred size is 2
Millimeter is to 3 millimeters, and significantly can fall to people when human body weighs sense in excessive gap, because power of leading pressure contact portion now is necessary
It is displaced downwardly to be crimped on and leads on power support, namely move down whole above-mentioned gap size；Too small gap may require that higher adding
Work precision, improves technology difficulty and manufacturing cost.
In the present embodiment, the range of the first precision LOAD CELLS is greater than the range of the second precision LOAD CELLS, also
I other words the maximum of the first precision LOAD CELLS is weighed, value is greater 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 second precision
LOAD CELLS pressure is limited in its range ability, thus prevents the second precision 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 the present embodiment
In the second precision LOAD CELLS whole range in deformation difference in height calculate in microns, if use rigid support replace this
Spring in embodiment, then the gap between power of leading pressure contact portion and power of the leading support of lower supporting part of the second mounting seat is the most necessary
Weighing with micron, this is the most too high to requirement on machining accuracy, and draws in view of the error in materials processing molding and the temperature difference
The material risen expands change, industrial is difficulty with；If but use spring to amplify deformation, just can effectively reduce machining accuracy
Require and manufacturing cost.
The outer wall of the present embodiment the second mounting seat is provided with the clamping installation portion 34 for installing self entirety, and this clamping is pacified
Dress portion is the wedge shape latch outwardly formed from the second mounting seat outer wall.Base 92 is provided with four blocked holes, and each pair of rank claim
Weight sensor is fixed in a corresponding blocked hole by clamping installation portion；This mounting means more simplifies, and each pair
Rank LOAD CELLS can independently dismount, it is simple to overhauls and changes, and its assembly operation is very convenient fast.
In the present embodiment, the power support of leading is provided with static contact 71, and the power pressure contact portion of leading is provided with moving contact 72, when this leads power
Pressure contact portion is crimped on when leading on power support, and moving contact crimping is arranged on static contact, and both realize electrical connection.At concrete practice
In, when moving contact and static contact electrical contact, produce a signal of telecommunication and control electricity to the external central control circuit being connected, central authorities
When road receives this signal, show the data that the second precision LOAD CELLS measures on a display screen；When central control circuit not
When receiving this signal, show the data that the first precision LOAD CELLS measures on a display screen；In other words, this dynamic/static contact
Combine the signal switch automatically can changed as display screen video data；This structure, can simplify central authorities' control
The programming of CPU element in circuit processed.In concrete practice, also can use other structure, for example with tongue tube, proximity switch etc.
This dynamic/static contact is replaced to combine.
The operation principle of each double precision LOAD CELLS is:
The pressure that first mounting seat affords self all passes to the second mounting seat by the first precision LOAD CELLS
Mounting plate portion；Second mounting seat is in free state namely when not bearing pressure, and what it led that power pressure contact portion exceeds lower supporting part leads power
Support；
Compression spring during the second mounting seat pressure-bearing stress thus move down, when the first mounting seat pressure-bearing stress less than 5 kilogram time, also
Time i.e. in the first rank range ability, by selecting suitable spring and selecting suitable power of leading pressure contact portion and lead power support
Spacing so that this rank range in weigh time, the power pressure contact portion of leading will not be crimped onto and cause on support, now mounting plate portion
Suffered by self all pressure transmission give the second precision LOAD CELLS, should during, the first precision LOAD CELLS and second
Precision LOAD CELLS all bears whole pressure, but external display screen only shows the number that the second precision LOAD CELLS measures
According to, its accuracy value is the accuracy value that the second precision LOAD CELLS has, and in the present embodiment, the accuracy value in this range is 1 gram；
When the first mounting seat pressure-bearing stress is less than 50 kilograms and is more than or equal to 5 kilogram, namely in second-order range ability
Time interior, the power pressure contact portion of leading can be crimped on leads on power support, the pressure that now the second mounting seat is born, only sub-fraction transmission
To the second precision LOAD CELLS, remaining major part is then directly passed to power of the leading support of lower supporting part by leading power pressure contact portion
On；Owing to, during this, the first precision LOAD CELLS bears whole pressure, so external display screen only shows the first essence
The data that degree LOAD CELLS measures, its accuracy value is the accuracy value that the first precision LOAD CELLS has, in the present embodiment, should
Accuracy value in range is 100 grams；In this second-order range ability, the deformation of spring no longer increases, namely the second precision is weighed
The pressure that sensor is born is in preset range, so that the second precision LOAD CELLS will not be because of overweight during Gai
And damage.
The structure design of the present embodiment is relatively reasonable, it is possible to reduce requirement on machining accuracy, reduces manufacturing cost and technique is difficult
Degree；Additionally can also effectively prevent the second precision LOAD CELLS because of overweight and crushing；In addition outside the present embodiment the second mounting seat
Wall is provided with the clamping installation portion for installing self entirety, when assembling, can entire card be contained on external plastic feet, operation
Simple and direct facility.
The present embodiment also includes the governor motion 6 for regulating elastic supporting piece whole height；Governor motion only includes adjusting
Joint screw 63, this regulation screw is sequentially provided with the portion of screwing 631, slide connecting part 632 and the spiro union portion adaptive with adjustment hole from top to bottom
633, screw the external diameter external diameter more than slide connecting part in portion, the shape of slide connecting part is the cylinder that outer wall is smooth；Described upper supporting part
Adjustment hole be stepped hole, be the bigger less slide opening district 5132 of crimping porose area 5131 and aperture, aperture the most successively,
The diapire of crimping porose area is as electrolysis 5133, and slide opening district is the circular hole that hole wall is smooth；Described spiro union portion is spirally connected and is fixed on connection
In the connection screw of pylon；During free state, under the top pressure effect of spring, the portion of screwing is positioned in crimping porose area, and screws portion
Diapire be crimped on the diapire of crimping porose area, namely on described electrolysis；Slide connecting part is then positioned in slide opening district；At External Force Acting
Under, slide connecting part can slide up and down in slide opening district, so that upper supporting part can be under the guide effect of regulation screw slide connecting part
Move up and down.This structure connects upper supporting part and lower supporting part by using regulation screw so that elastic supporting piece will not be because of
Split and lose parts；Simultaneously by this regulation screw of turn, can directly adjust power of the leading pressure contact portion of the second mounting seat with under
Clearance distance between power of the leading support of supporting member, its structure comparison compact and reasonable.
The advantage of this kind of structure is: in concrete practice, spring owing to being restricted by its processing technique, its concordance
Being difficult to ensure that, typically can use four double precision LOAD CELLSs due to weighing scale and kitchen scale, concordance is difficult to ensure that simultaneously
Spring may result in the height of four LOAD CELLSs and slightly distinguish, impact assembles and uses, and even picks up when user
When electronic scale is observed, the bottom of each lower supporting part may not at grade, and pole is unsightly；The present embodiment uses governor motion
Adjust the whole height of elastic supporting piece, even if so that the present embodiment uses the slightly larger spring of error, also have only to adjusting
Joint spiral cover is rotated in place, and can ensure the concordance of whole height.It addition, this structure is so that the present embodiment is in all
Attached state, will not be scattered mutually and cause losing parts.
(embodiment 2)
The present embodiment is substantially the same manner as Example 1, and difference is: as shown in Figure 11 to Figure 12, owing to regulation screw is by the
Two mounting seats and lower supporting part enclose Tibetan wherein, it is impossible to again tune after overall package, so the governor motion in the present embodiment
Also include regulating spiral cover 61 and to top spiral cover 62；The periphery wall of lower supporting part is provided with the stopper section 533 of evagination, leads power pressure contact portion
Periphery wall be provided with external screw thread district 311；The inwall of regulation spiral cover bottom is provided with the annular anticreep pressure contact portion 611 of convex, on
The inwall in portion is provided with and leads the internal threaded regions 612 that power pressure contact portion external screw thread district is adaptive；Described anticreep pressure contact portion is set in down and props up
Being positioned on the periphery wall below stopper section of bearing member, is also screwed in the external screw thread district leading power pressure contact portion top spiral cover, is positioned at tune
The top of joint spiral cover, and be connected to regulate on spiral cover；Under external force, described stopper section leading power pressure contact portion bottom and can be led
Power support slides up and down between top.During free state, lower supporting part is under the reseting elasticity effect of spring so that it is anticreep
Pressure contact portion apical grafting is on stopper section, and when the first mounting seat pressure-bearing stress, stress is shortened by spring, and leading of the second mounting seat is defeated
The portion that connects moves down by drive regulation spiral cover with to top spiral cover, and anticreep pressure contact portion 611 now moves down the most therewith, is positioned at stopper section 533
Lower section.
The advantage of this kind of structure is: in concrete practice, spring owing to being restricted by its processing technique, its concordance
Being difficult to ensure that, typically can use four double precision LOAD CELLSs due to weighing scale and kitchen scale, concordance is difficult to ensure that simultaneously
Spring may result in the height of four LOAD CELLSs and slightly distinguish, impact assembles and uses, and even picks up when user
When electronic scale is observed, the bottom of each lower supporting part may not at grade, and pole is unsightly；The present embodiment uses governor motion
Adjust the whole height of elastic supporting piece, even if so that the present embodiment uses the slightly larger spring of error, also have only to adjusting
Joint spiral cover is rotated in place, and can ensure the concordance of whole height.It addition, this structure is so that the present embodiment is in all
Attached state, will not be scattered mutually and cause losing parts.
(embodiment 3)
The present embodiment is substantially the same manner as Example 2, and difference is: as shown in Figure 13 to Figure 16, first in the present embodiment
Precision LOAD CELLS be still provided with the first fixed part, the first load deformations and be arranged in the first load deformations for
Detect the first resistance strain gage of the first load deformations deflection；But the shape of the first precision LOAD CELLS in the present embodiment
Shape is similar to instead " G " font, its first fixed part approximation " C " font, the shape of the first load deformations be similar to one less
" C " font, and be connected with the first fixed part, combination forms anti-" G " font.The range of this kind the first precision LOAD CELLS with
Accuracy value is the most same as in Example 1, and this structure also can be made by impact style, and its manufacturing process is simpler.First peace
The bottom adhesive of dress seat is fixed with capping 12, and capping and the first mounting seat enclose formation one containing cavity 13, the first deck and first
Precision LOAD CELLS is positioned in this containing cavity；Capping includes center hole 121, interior cover region 122, outer cover region 123 and connects
Interior cover region and a plurality of spiral elastic arm 124 of outer cover region, center hole is arranged at inner cap district center；The center of mounting plate portion sets
Having the cylinder table 321 projecting upwards formation, the periphery wall of cylinder table is bonded and fixed in center hole, the first load deformations pressure
Connect on the roof being arranged on cylinder table.Capping and holding part are with the use of, the first precision weighing and sensing being pointed in containing cavity
Device is preferably protected.Further, since spiral elastic arm can be made sufficiently thin little, this kind of structure can fully reduce first
The power transmitted by capping between the cylinder table 321 of mounting seat and the second mounting seat so that it is the error caused affects second-order
For precision in range, reach the degree ignored.
The present embodiment reduce further the structural requirement to the first precision LOAD CELLS, and simplifies assembly operation,
Manufacturing cost can be reduced further.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right
The restriction of embodiments of the present 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 these
Belong to obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.
Claims (1)
1. a double precision weighing electronic scale, including the support board for putting object to be claimed；It is characterized in that: also include arranging
Base below support board and the setting double precision LOAD CELLS for supporting support board in the base；Each double precision claims
Weight sensor include governor motion and crimp successively the first mounting seat of setting, the first precision LOAD CELLS, the second mounting seat,
Second precision LOAD CELLS and elastic supporting piece；Elastic supporting piece includes upper supporting part, spring and lower supporting part, the top of spring
End is connected on upper supporting part, and the bottom of elastic supporting piece is connected on lower supporting part；Second mounting seat is provided with leads power pressure contact portion
And mounting plate portion, lower supporting part is provided with leads power support；The basic configuration of lower supporting part is discoideus, is provided with and projects upwards formation
The tube shape bulge with sliding chamber；The center of upper supporting part is provided with adjustment hole, leads and has on the roof of power support and lead power
The annular bearing surface that pressure contact portion is adaptive, tube shape bulge is positioned at the center of this annular bearing surface；The tube shape bulge of lower supporting part
Center, is additionally provided with the circle from mounting plate portion is protruding upward and couples pylon, and the roof center of this connection pylon is provided with connection
Screw；Tube shape bulge couples pylon with circle and encloses formation annular spacing groove；The bottom of spring is positioned at this annular spacing groove, and
Being connected on lower supporting part, the top of spring is connected on the diapire of upper supporting part；Under free state, the power pressure contact portion of leading exceeds leads
Power support；
Second precision LOAD CELLS is provided with the second fixed part, the second load deformations and is arranged in the second load deformations
Second resistance strain gage；The top of upper supporting part is provided with two installation screws, the second load deformations be provided with two second tight
Gu；The top of upper supporting part is directly anchored to the end of the second load deformations by two second screws adaptive with installation screw
On wall；
Governor motion includes regulating screw, and this regulation screw is sequentially provided with the portion of screwing, slide connecting part from top to bottom and fits with adjustment hole
The spiro union portion joined, screws the external diameter external diameter more than slide connecting part in portion, and the shape of slide connecting part is the cylinder that outer wall is smooth；On described
The adjustment hole of supporting member is stepped hole, is the bigger less slide opening district of crimping porose area and aperture, aperture the most successively, pressure
Connecing the diapire of porose area as electrolysis, slide opening district is the circular hole that hole wall is smooth；Described spiro union portion is spirally connected to be fixed on and couples pylon
Couple in screw；During free state, under the top pressure effect of spring, the portion of screwing is positioned in crimping porose area, and screws the diapire in portion
It is crimped on the diapire of crimping porose area, namely on described electrolysis；Slide connecting part is then positioned in slide opening district；Under external force, sliding
The portion of connecing can slide up and down in slide opening district so that upper supporting part can regulation screw slide connecting part guide effect under on move down
Dynamic；
By the second precision LOAD CELLS compression spring during the second mounting seat pressure-bearing stress, and then drive is led to defeat and is met subordinate
Move, when the second mounting seat pressure-bearing stress is to predeterminable level, lead to defeat meeting subordinate and move to be crimped on and lead on power support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610622967.2A CN106289482A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision weighing electronic scale |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096954.6A CN105937932A (en) | 2016-01-20 | 2016-01-20 | Double-precision electronic weighing scale having adjusting mechanism |
| CN201610622967.2A CN106289482A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision weighing electronic scale |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610096954.6A Division CN105937932A (en) | 2016-01-20 | 2016-01-20 | Double-precision electronic weighing scale having adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106289482A true CN106289482A (en) | 2017-01-04 |
Family
ID=56951260
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610616882.3A Withdrawn CN106052821A (en) | 2016-01-20 | 2016-01-20 | Double-precision weighing electronic scale |
| CN201610624055.9A Withdrawn CN106017631A (en) | 2016-01-20 | 2016-01-20 | Two-precision weighing electronic scale |
| CN201610624456.4A Withdrawn CN106052825A (en) | 2016-01-20 | 2016-01-20 | Double-precision weighing electronic scale with adjusting mechanism |
| CN201610096954.6A Withdrawn CN105937932A (en) | 2016-01-20 | 2016-01-20 | Double-precision electronic weighing scale having adjusting mechanism |
| CN201610616883.8A Withdrawn CN106033006A (en) | 2016-01-20 | 2016-01-20 | Double-precision weighing electronic scale with adjusting mechanism |
| CN201610619754.4A Withdrawn CN106017656A (en) | 2016-01-20 | 2016-01-20 | Dual-precision weighing electronic balance with adjusting mechanism |
| CN201610622967.2A Withdrawn CN106289482A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision weighing electronic scale |
| CN201610622966.8A Withdrawn CN106225900A (en) | 2016-01-20 | 2016-01-20 | Double precision weighing electronic scale |
| CN201610619755.9A Withdrawn CN105973372A (en) | 2016-01-20 | 2016-01-20 | Double-precision weighing electronic balance with regulating mechanism |
| CN201610616881.9A Withdrawn CN106092297A (en) | 2016-01-20 | 2016-01-20 | Double precision weighing electronic scale |
Family Applications Before (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610616882.3A Withdrawn CN106052821A (en) | 2016-01-20 | 2016-01-20 | Double-precision weighing electronic scale |
| CN201610624055.9A Withdrawn CN106017631A (en) | 2016-01-20 | 2016-01-20 | Two-precision weighing electronic scale |
| CN201610624456.4A Withdrawn CN106052825A (en) | 2016-01-20 | 2016-01-20 | Double-precision weighing electronic scale with adjusting mechanism |
| CN201610096954.6A Withdrawn CN105937932A (en) | 2016-01-20 | 2016-01-20 | Double-precision electronic weighing scale having adjusting mechanism |
| CN201610616883.8A Withdrawn CN106033006A (en) | 2016-01-20 | 2016-01-20 | Double-precision weighing electronic scale with adjusting mechanism |
| CN201610619754.4A Withdrawn CN106017656A (en) | 2016-01-20 | 2016-01-20 | Dual-precision weighing electronic balance with adjusting mechanism |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610622966.8A Withdrawn CN106225900A (en) | 2016-01-20 | 2016-01-20 | Double precision weighing electronic scale |
| CN201610619755.9A Withdrawn CN105973372A (en) | 2016-01-20 | 2016-01-20 | Double-precision weighing electronic balance with regulating mechanism |
| CN201610616881.9A Withdrawn CN106092297A (en) | 2016-01-20 | 2016-01-20 | Double precision weighing electronic scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (10) | CN106052821A (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889916A (en) * | 2011-07-22 | 2013-01-23 | 深圳市杰曼科技有限公司 | Wireless digital weighing sensor with zero power consumption in sleep mode |
| WO2016011625A1 (en) * | 2014-07-23 | 2016-01-28 | 王雅苹 | Electronic scale |
| CN104897253B (en) * | 2015-06-06 | 2017-08-11 | 安徽汉威电子有限公司 | A kind of weighing-appliance for liquid flow standard device |
-
2016
- 2016-01-20 CN CN201610616882.3A patent/CN106052821A/en not_active Withdrawn
- 2016-01-20 CN CN201610624055.9A patent/CN106017631A/en not_active Withdrawn
- 2016-01-20 CN CN201610624456.4A patent/CN106052825A/en not_active Withdrawn
- 2016-01-20 CN CN201610096954.6A patent/CN105937932A/en not_active Withdrawn
- 2016-01-20 CN CN201610616883.8A patent/CN106033006A/en not_active Withdrawn
- 2016-01-20 CN CN201610619754.4A patent/CN106017656A/en not_active Withdrawn
- 2016-01-20 CN CN201610622967.2A patent/CN106289482A/en not_active Withdrawn
- 2016-01-20 CN CN201610622966.8A patent/CN106225900A/en not_active Withdrawn
- 2016-01-20 CN CN201610619755.9A patent/CN105973372A/en not_active Withdrawn
- 2016-01-20 CN CN201610616881.9A patent/CN106092297A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN106033006A (en) | 2016-10-19 |
| CN106017631A (en) | 2016-10-12 |
| CN106052821A (en) | 2016-10-26 |
| CN106092297A (en) | 2016-11-09 |
| CN106017656A (en) | 2016-10-12 |
| CN105937932A (en) | 2016-09-14 |
| CN106052825A (en) | 2016-10-26 |
| CN106225900A (en) | 2016-12-14 |
| CN105973372A (en) | 2016-09-28 |
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Application publication date: 20170104 |