CN106289474A - A kind of double precision LOAD CELLS with governor motion - Google Patents
A kind of double precision LOAD CELLS with governor motion Download PDFInfo
- Publication number
- CN106289474A CN106289474A CN201610615480.1A CN201610615480A CN106289474A CN 106289474 A CN106289474 A CN 106289474A CN 201610615480 A CN201610615480 A CN 201610615480A CN 106289474 A CN106289474 A CN 106289474A
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- Prior art keywords
- supporting part
- load cells
- contact portion
- pressure contact
- mounting seat
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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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- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
Abstract
The invention discloses a kind of double precision LOAD CELLS with governor motion, including 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 load cell structure design field, be specifically related to a kind of double precision with governor motion
LOAD CELLS.
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 one have the continuous range in double rank, have in the range of each rank different accuracy value and
There is the double precision LOAD CELLS of governor motion.
The technical scheme realizing the object of the invention is: a kind of double precision LOAD CELLS with governor motion, its feature
It is: include crimping successively the first mounting seat of setting, the first precision LOAD CELLS, the second mounting seat, the second precision are weighed
Sensor, elastic supporting piece and for regulating the governor motion of elastic supporting piece whole height；Elastic supporting piece includes 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 lower supporting part
On；Second mounting seat is provided with leads power pressure contact portion, and lower supporting part is provided with leads power support；
The periphery wall of lower supporting part is provided with the stopper section of evagination, and the periphery wall leading power pressure contact portion is provided with external screw thread district；Regulation
Mechanism includes regulating spiral cover, and the inwall of this regulation spiral cover bottom is provided with the annular anticreep pressure contact portion of convex, on the inwall on top
It is provided with and leads the internal threaded regions that power pressure contact portion external screw thread district is adaptive；What described anticreep pressure contact portion was set in lower supporting part is positioned at backstop
On periphery wall below portion；Under free state, under the elastic force effect of spring, anticreep pressure contact portion apical grafting is on stopper section；External force
Under effect, described stopper section can slide up and down between power support top leading power pressure contact portion bottom and leading；
The periphery wall on upper supporting part top is provided with the annular pressure contact portion of evagination, and the bottom of upper supporting part is provided with spacing traveller portion；
The basic configuration of lower supporting part is discoideus, and the center is provided with the tube shape bulge with sliding chamber projecting upwards formation；Spring
Being set on tube shape bulge, the top of spring is connected on the annular pressure contact portion of upper supporting part；The spacing traveller portion of upper supporting part
Can slide up and down in the sliding chamber of tube shape bulge；
Under free state, the power pressure contact portion of leading exceeds leads power support；Weighed by the second precision during the second mounting seat pressure-bearing stress
Sensor compression spring, so drive lead defeat connect subordinate move, when the second mounting seat pressure-bearing stress is to predeterminable level, leads and defeat
Meet subordinate to move to be crimped on and lead on power support.
In such scheme, governor motion also includes, to top spiral cover, top spiral cover rotation being located at the external screw thread district leading power support
On, and be connected to regulate on spiral cover.
In such scheme, the range of the first precision LOAD CELLS is more than the range of the second precision LOAD CELLS.
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 that the first structure of the present invention is in the first rank range and weighs a kind of structural representation of state；
Fig. 2 is that double precision LOAD CELLS shown in Fig. 1 is in second-order range and weighs a kind of structural representation of state；
Fig. 3 is the first precision LOAD CELLS and a kind of explosive view of the first screw in double precision LOAD CELLS shown in Fig. 1；
Fig. 4 is the first precision LOAD CELLS shown in Fig. 3 and first screw a kind of explosive view when another angle is observed；
Fig. 5 is the second precision LOAD CELLS and a kind of explosive view of upper supporting part in double precision LOAD CELLS shown in Fig. 1；
Fig. 6 is the second precision LOAD CELLS shown in Fig. 5 and the upper supporting part a kind of explosive view when another angle is observed；
Fig. 7 is that the third structure of the present invention is in the first rank range and weighs a kind of structural representation of state；
Fig. 8 is that double precision LOAD CELLS shown in Fig. 7 is in second-order range and weighs a kind of structural representation of state；
Fig. 9 is the first precision LOAD CELLS and a kind of explosive view of capping in double precision LOAD CELLS shown in Fig. 7；
Figure 10 is the first precision LOAD CELLS shown in Fig. 9 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 LOAD CELLS, as shown in Fig. 1 to Fig. 6, including the first installation crimping setting successively
Seat 1, first precision LOAD CELLS the 2, second mounting seat the 3, second precision LOAD CELLS 4, elastic supporting piece 5 and be used for regulating
The governor motion 6 of elastic supporting piece whole height；Elastic supporting piece includes upper supporting part 51, screw thread 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 to lower supporting part；Lower supporting part is provided with the power of leading
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, for the present embodiment, the scope of weighing of 0 kilogram to 5 kilogram is measured as first rank of the present embodiment
Journey；Specifically, the shape of described second fixed part be by four edges combination formed rectangular box-like, the second load deformations
Shape is to be combined " mountain " font formed, the second load deformation by two bases and three straight flanges arranging with this base vertical
Portion is arranged in the rectangle frame of the second fixed part, the end of the center straight flange in three straight flanges of described second load deformations with
The inner side edge wall of one frame middle-end of the second fixed part is connected.The planform of this second precision LOAD CELLS is more closed
Reason, it is easy to by impact style processing and manufacturing, and cost is relatively low.
When being used for manufacturing electronic scale, it is generally required to the double precision LOAD CELLS described in four the present embodiment, its finished product
The first rank range be 0 to 20 kilogram, the demand that daily small articles is weighed can be met.
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, for the present embodiment, using the scopes of weighing of 5 kilograms to 50 kilograms as the second-order of the present embodiment
Range；When being used for manufacturing electronic scale, it is generally required to the double precision LOAD CELLS described in four the present embodiment, the of its finished product
Second order range is 20 to 200 kilograms, can meet the demand of human body weighing.
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 periphery wall on upper supporting part top is provided with the annular pressure contact portion 511 of evagination, and the bottom of upper supporting part is provided with spacing
Traveller portion 512；The basic configuration of lower supporting part is discoideus, and the center is provided with the tubulose with sliding chamber projecting upwards formation
Boss 532；Spring housing is located on tube shape bulge, and the top of spring is connected on the annular pressure contact portion of upper supporting part；Upper supporting part
Spacing traveller portion 512 can slide up and down in the sliding chamber of tube shape bulge 532, namely play guide effect.Lead power support
Having the annular bearing surface adaptive with leading power pressure contact portion on roof, tube shape bulge is positioned at the center of this annular bearing surface.
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 the most effectively reduce processing
Required precision 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.The present embodiment in use, general and in-built electrical
The plastic feet of road plate and power module with the use of, the advantage of this structure is, if reserved hole clipping in plastic feet,
Then directly can be installed in hole clipping by this clamping installation portion, 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 periphery wall of lower supporting part is provided with the stopper section 533 of evagination, and the periphery wall leading power pressure contact portion is provided with external screw thread
District 311；Governor motion includes regulating spiral cover 61 and to top spiral cover 62, and the inwall of this regulation spiral cover bottom is provided with the annular of convex
Anticreep pressure contact portion 611, the inwall on top 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 being positioned on the periphery wall below stopper section of lower supporting part, is also screwed in top spiral cover and leads outside power pressure contact portion
On threaded area, it is positioned at the top of regulation spiral cover, and is connected to regulate on spiral cover；Under external force, described stopper section can led
Power pressure contact portion bottom and leading slides up and down between power support top.During free state, lower supporting part is at the reset bullet of spring
Under power effect so that it is anticreep pressure contact portion apical grafting is on stopper section, when the first mounting seat pressure-bearing stress, stress is shortened by spring,
Power of the leading pressure contact portion of the second mounting seat moves down by drive regulation spiral cover with to top spiral cover, and anticreep pressure contact portion 611 now is the most therewith
Move down, be positioned at the lower section of stopper section 533.
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.
The operation principle of the present embodiment 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.
(embodiment 2)
The present embodiment is essentially identical with above-described embodiment 1, and difference is: as shown in Fig. 7 to Figure 10, in the present embodiment
One precision LOAD CELLS is still provided with the first fixed part, the first load deformations and the use being arranged in the first load deformations
In the first resistance strain gage detecting the first load deformations deflection；But the first precision LOAD CELLS in the present embodiment
Shape is similar to instead " G " font, and its first fixed part approximation " C " font, the shape of the first load deformations is similar to one relatively
Little " 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
The most same as in Example 1 with accuracy value, this structure also can be made by impact style, and its manufacturing process is simpler.First
The bottom adhesive of mounting seat is fixed with capping 12, and capping and the first mounting seat enclose formation one containing cavity 13, the first deck and the
One precision LOAD CELLS is positioned in this containing cavity；Capping includes center hole 121, interior cover region 122, outer cover region 123 and connects
Connecing a plurality of spiral elastic arm 124 of interior cover region and outer cover region, center hole is arranged at inner cap district center；The center of mounting plate portion
Being provided with the cylinder table 321 projecting upwards formation, the periphery wall of cylinder table is bonded and fixed in center hole, the first load deformations
Crimping is arranged on the roof of cylinder table.Capping and holding part are weighed biography with the use of, the first precision being pointed in containing cavity
Sensor is preferably protected.Further, since spiral elastic arm can be made sufficiently thin little, this kind of structure can fully reduce
The power transmitted by capping between the cylinder table 321 of one mounting seat and the second mounting seat so that it is the error caused affects second
For precision in the range of rank, 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 LOAD CELLS with governor motion, it is characterised in that: include the first peace crimping setting successively
Fill seat, the first precision LOAD CELLS, the second mounting seat, the second precision LOAD CELLS, elastic supporting piece and be used for regulating bullet
The governor motion of property supporting member whole height；Elastic supporting piece includes upper supporting part, spring and lower supporting part, and the top of spring is supported
Being connected on upper supporting part, the bottom of elastic supporting piece is connected on lower supporting part；Second mounting seat is provided with leads power pressure contact portion, lower
Bearing member is provided with leads power support；
The periphery wall of lower supporting part is provided with the stopper section of evagination, and the periphery wall leading power pressure contact portion is provided with external screw thread district；Regulation
Mechanism includes regulating spiral cover, and the inwall of this regulation spiral cover bottom is provided with the annular anticreep pressure contact portion of convex, on the inwall on top
It is provided with and leads the internal threaded regions that power pressure contact portion external screw thread district is adaptive；What described anticreep pressure contact portion was set in lower supporting part is positioned at backstop
On periphery wall below portion；Under free state, under the elastic force effect of spring, anticreep pressure contact portion apical grafting is on stopper section；External force
Under effect, described stopper section can slide up and down between power support top leading power pressure contact portion bottom and leading；
The periphery wall on upper supporting part top is provided with the annular pressure contact portion of evagination, and the bottom of upper supporting part is provided with spacing traveller portion；
The basic configuration of lower supporting part is discoideus, and the center is provided with the tube shape bulge with sliding chamber projecting upwards formation；Spring
Being set on tube shape bulge, the top of spring is connected on the annular pressure contact portion of upper supporting part；The spacing traveller portion of upper supporting part
Can slide up and down in the sliding chamber of tube shape bulge；
Under free state, the power pressure contact portion of leading exceeds leads power support；Weighed by the second precision during the second mounting seat pressure-bearing stress
Sensor compression spring, so drive lead defeat connect subordinate move, when the second mounting seat pressure-bearing stress is to predeterminable level, leads and defeat
Meet subordinate to move to be crimped on and lead on power support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610615480.1A CN106289474A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision LOAD CELLS with governor motion |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097058.1A CN105938000A (en) | 2016-01-20 | 2016-01-20 | Adjustable double-precision weighing sensor |
| CN201610615480.1A CN106289474A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision LOAD CELLS with governor motion |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610097058.1A Division CN105938000A (en) | 2016-01-20 | 2016-01-20 | Adjustable double-precision weighing sensor |
Publications (1)
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| CN106289474A true CN106289474A (en) | 2017-01-04 |
Family
ID=56951286
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610620002.XA Withdrawn CN106289478A (en) | 2016-01-20 | 2016-01-20 | A kind of adjustable double precision LOAD CELLS |
| CN201610624054.4A Withdrawn CN106225904A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision LOAD CELLS with governor motion |
| CN201610615480.1A Withdrawn CN106289474A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision LOAD CELLS with governor motion |
| CN201610620003.4A Withdrawn CN106289479A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision LOAD CELLS with governor motion |
| CN201610624457.9A Withdrawn CN106225901A (en) | 2016-01-20 | 2016-01-20 | A kind of adjustable double precision LOAD CELLS |
| CN201610620001.5A Withdrawn CN106289477A (en) | 2016-01-20 | 2016-01-20 | A kind of adjustable double precision LOAD CELLS |
| CN201610622970.4A Withdrawn CN106289485A (en) | 2016-01-20 | 2016-01-20 | A kind of adjustable double precision LOAD CELLS |
| CN201610624053.XA Withdrawn CN106289487A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision LOAD CELLS with governor motion |
| CN201610624458.3A Withdrawn CN105973433A (en) | 2016-01-20 | 2016-01-20 | Adjustable double-precision weighing sensor |
| CN201610097058.1A Withdrawn CN105938000A (en) | 2016-01-20 | 2016-01-20 | Adjustable double-precision weighing sensor |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610620002.XA Withdrawn CN106289478A (en) | 2016-01-20 | 2016-01-20 | A kind of adjustable double precision LOAD CELLS |
| CN201610624054.4A Withdrawn CN106225904A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision LOAD CELLS with governor motion |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610620003.4A Withdrawn CN106289479A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision LOAD CELLS with governor motion |
| CN201610624457.9A Withdrawn CN106225901A (en) | 2016-01-20 | 2016-01-20 | A kind of adjustable double precision LOAD CELLS |
| CN201610620001.5A Withdrawn CN106289477A (en) | 2016-01-20 | 2016-01-20 | A kind of adjustable double precision LOAD CELLS |
| CN201610622970.4A Withdrawn CN106289485A (en) | 2016-01-20 | 2016-01-20 | A kind of adjustable double precision LOAD CELLS |
| CN201610624053.XA Withdrawn CN106289487A (en) | 2016-01-20 | 2016-01-20 | A kind of double precision LOAD CELLS with governor motion |
| CN201610624458.3A Withdrawn CN105973433A (en) | 2016-01-20 | 2016-01-20 | Adjustable double-precision weighing sensor |
| CN201610097058.1A Withdrawn CN105938000A (en) | 2016-01-20 | 2016-01-20 | Adjustable double-precision weighing sensor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111316081B (en) * | 2017-10-12 | 2021-10-29 | 株式会社电子应用 | Pressure sensor |
| CN113588049A (en) * | 2021-10-08 | 2021-11-02 | 启东友铭衡器有限公司 | Weighing sensor and weighing scale |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201246433Y (en) * | 2007-10-28 | 2009-05-27 | 辽宁同泽减震器有限公司 | Harmonic tremor peak-avoiding vibration damper |
| CN201716099U (en) * | 2010-07-06 | 2011-01-19 | 颜海君 | Novel electronic scale |
| CN101865235B (en) * | 2010-07-07 | 2012-01-04 | 南京捷诺环境技术有限公司 | Vibration isolation buffer for resisting strong impact |
| CN102980689A (en) * | 2012-11-29 | 2013-03-20 | 昆山洺九机电有限公司 | Overload-proof load sensor |
| CN104838243B (en) * | 2014-07-23 | 2016-11-30 | 苏州市职业大学 | A kind of electronic scale |
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2016
- 2016-01-20 CN CN201610620002.XA patent/CN106289478A/en not_active Withdrawn
- 2016-01-20 CN CN201610624054.4A patent/CN106225904A/en not_active Withdrawn
- 2016-01-20 CN CN201610615480.1A patent/CN106289474A/en not_active Withdrawn
- 2016-01-20 CN CN201610620003.4A patent/CN106289479A/en not_active Withdrawn
- 2016-01-20 CN CN201610624457.9A patent/CN106225901A/en not_active Withdrawn
- 2016-01-20 CN CN201610620001.5A patent/CN106289477A/en not_active Withdrawn
- 2016-01-20 CN CN201610622970.4A patent/CN106289485A/en not_active Withdrawn
- 2016-01-20 CN CN201610624053.XA patent/CN106289487A/en not_active Withdrawn
- 2016-01-20 CN CN201610624458.3A patent/CN105973433A/en not_active Withdrawn
- 2016-01-20 CN CN201610097058.1A patent/CN105938000A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN106225904A (en) | 2016-12-14 |
| CN105938000A (en) | 2016-09-14 |
| CN106289479A (en) | 2017-01-04 |
| CN106225901A (en) | 2016-12-14 |
| CN105973433A (en) | 2016-09-28 |
| CN106289485A (en) | 2017-01-04 |
| CN106289478A (en) | 2017-01-04 |
| CN106289487A (en) | 2017-01-04 |
| CN106289477A (en) | 2017-01-04 |
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