CN105588632B - Electronic balance Nei Jiao mechanisms - Google Patents
Electronic balance Nei Jiao mechanisms Download PDFInfo
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- CN105588632B CN105588632B CN201410570366.2A CN201410570366A CN105588632B CN 105588632 B CN105588632 B CN 105588632B CN 201410570366 A CN201410570366 A CN 201410570366A CN 105588632 B CN105588632 B CN 105588632B
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- counterweight
- displacement member
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Abstract
It is a kind of manually to operate the electronic balance Nei Jiao mechanisms for completing interior school.Its main feature is that including：Have bevelled horizontal displacement member, is arranged to move in the horizontal direction；Include the counterweight component of at least one interior school counterweight；Sensor carries counterweight component by sensor bracket；Guidance set；And part is moved up and down, it can be moved up and down by the cooperation of pin and post holes with guidance set, there is the projective structure coordinated with the inclined-plane；Wherein, interior school counterweight is pressed in sensor bracket, so that force acting on transducer, to which the Nei Jiao mechanisms are in interior verification state；The mobile corresponding inclined-plane that can make horizontal displacement member of horizontal displacement member is in contact with the projective structure moved up and down on part; and then the projective structure is made to be moved along the inclined-plane of horizontal displacement member; and counterweight component can be moved to by moving up and down part; counterweight component is driven; and then counterweight component is made to be disengaged from sensor bracket, and then the Nei Jiao mechanisms is made to be in non-interior school state.
Description
Technical field
The present invention relates to electronic balance Nei Jiao mechanisms.
Background technology
Electronic balance was typically all to be verified to electronic balance in outside using standard test weight in verification in the past, every time
It all needs to verify by corresponding standard test weight when verification, it is comparatively laborious for a user, and counterweight is also easy to be lost, is based on this feelings
Subsequently just there is built-in check mechanism in condition, i.e., interior school counterweight is placed on inside electronic balance to be verified, such user is just
It oneself can verify balance, and no longer need that laboratory or other verification agencies is sent to be verified.
Publication No. is that the Chinese patent literature of " CN102879073A " describes a kind of electronics day of school weight structure in band
It is flat, wherein by school counterweight in setting, the jacking mechanism that can vertically jack up the interior school counterweight upwards, can drive
The jack-up driving device that the jacking mechanism vertically lifts, while setting can be along vertical on the upper bracket of sensor
The strut of school counterweight in the support of direction, electronic balance jack up driving device and drive jacking mechanism downlink using timing is preceding needed,
Interior school counterweight is fallen until be supported on the strut of upper bracket, between jacking mechanism and interior school counterweight are vertically kept centainly
Gap；After the completion of to be corrected, jacking mechanism uplink is driven by jack-up driving device, jacking mechanism jacks up interior school counterweight upwards makes it
It is detached from strut, interior school counterweight vertically keeps certain gap with strut, at this moment electronic balance can be used to be weighed.
Jack-up driving device therein include rotary shaft rack, the shaft being rotatably arranged on rotary shaft rack, being capable of drive shaft
It is arranged cam on the motor of rotation, shaft.
Inventor has found that the electronic balance with Nei Jiao mechanisms uses motor driving Nei Jiao mechanisms mostly at present, to realize electricity
The verification of sub- balance, motor drive the manufacture high precision machining of Nei Jiao mechanisms, and process control procedure is complicated, the selection to sensor
It is required that it is high, it is high to follow-up packaging technology and calibration request, it is of high cost, and occupy many inner spaces of electronic balance and then make electronics
Balance becomes large-sized.
Invention content
The purpose of the present invention is to provide a kind of electronic balance Nei Jiao mechanisms that can manually operate school in completion.
To realize the electronic balance Nei Jiao mechanisms of the purpose, its main feature is that, including：
Have bevelled horizontal displacement member, is arranged to move in the horizontal direction；
Include the counterweight component of at least one interior school counterweight；
Sensor carries counterweight component by sensor bracket；
Guidance set；And
Part is moved up and down, can be moved up and down by the cooperation of pin and post holes with guidance set, has and matches with the inclined-plane
The projective structure of conjunction；
Wherein, interior school counterweight is pressed in sensor bracket, so that force acting on transducer, to which the Nei Jiao mechanisms are in interior verification shape
State；The mobile corresponding inclined-plane that can make horizontal displacement member of horizontal displacement member is in contact with the projective structure moved up and down on part,
The projective structure is set to be moved along the inclined-plane of horizontal displacement member in turn, and move up and down part to be moved to counterweight component,
Counterweight component drives, and then counterweight component is made to be disengaged from sensor bracket, and then the Nei Jiao mechanisms is made to be in non-interior school state.
The electronic balance Nei Jiao mechanisms, further feature be guidance set include bottom plate and on bottom plate it is straight
Vertical pin；Sensor is installed on which floor plate, and sensor bracket is located above sensor, and horizontal displacement member, which has, is located at sensing
The yoke of device the first side and the second side, two yokes collect and connect a push-and-pull portion at one end, are moved in order to push and pull the level by hand
Moving part provides the inclined-plane respectively on two yokes；The weight that counterweight component is included in the first side of sensor, the second side is respectively set
Code and counterweight in sensors topside, the counterweight at top and the counterweight of both sides be separately connected, and the counterweight at top is located at sensing
On device bracket；Moving up and down part has post holes, this is respectively arranged on the pin of sensor both sides and moves up and down part, is above moved down
Moving part is located above horizontal displacement member, and the interior school counterweight positioned at the first side of sensor, the second side moves up and down part positioned at corresponding
Top.
The electronic balance Nei Jiao mechanisms, further feature are the inclined-planes of horizontal displacement member by the level
The waist of trapezoidal voussoir on moving member provides, and in the non-interior school state, it is trapezoidal that the projective structure steadily is located at this
The top of voussoir.
The electronic balance Nei Jiao mechanisms, further feature, which is the horizontal displacement member, also has reset convex block,
The reset convex block is provided horizontal by the backhaul inclined-plane less than 90 degree of angles, is switched in described in the non-interior school state
During the state of school, the projective structure of part is moved up and down while can be along the inclined-plane slide downward of horizontal displacement member,
Moving up and down the resetting structure of part can also slide along the backhaul inclined-plane, be stuck on pin with preventing from moving up and down part.
The electronic balance Nei Jiao mechanisms, further feature are to be located at interior school counterweight to have post holes, the pin
Across the post holes of interior school counterweight, also can slowly decline with moving up and down part along pin, in order to smoothly fall in sensor
On bracket.
The electronic balance Nei Jiao mechanisms, further feature are that the projective structure is cylindrical structure, pass through circle
Cylinder is slidably matched with the inclined-plane.
The electronic balance Nei Jiao mechanisms, further feature are that card cap is fixed at the top of the pin, with limit
School counterweight is detached from the pin in system.
The electronic balance Nei Jiao mechanisms, further feature are that sensor bracket provides guide post, counterweight component
It is provided with guide housing, guide housing and guide post are slidably matched, so that counterweight component energy position is accurately located at sensor bracket
On.
The electronic balance Nei Jiao mechanisms, further feature be further include balance pedestal, the bottom plate is fixed on
On balance pedestal, the push-and-pull portion exposes to the balance pedestal, and the state that the push-and-pull portion pulls out corresponds in described
School state, the state that the push-and-pull portion is inwardly stopped at balance pedestal correspond to and the non-interior school state.
The electronic balance Nei Jiao mechanisms, further feature are that the bottom plate is provided with sliding slot, and the yoke carries
It is provided with guiding foot, the guiding foot is inserted into the sliding slot so that horizontal displacement member energy direction accurately moves horizontally.
The present invention drives for non-motor, and removal motor realizes that the load and unloading of interior school counterweight pass through in embodiment
Manual operation realizes the load and unloading of interior school counterweight, and school mechanism kinematic in the machinery in interior school is completed in manually operation, therefore low
Cost, Nei Jiao mechanisms are simply accurate, and the weight of interior school counterweight can be replaced, and counterweight is detachable, occupies little space, and part manufacture adds
Work precision is low, and process control procedure is simple.
Description of the drawings
The above and other features of the present invention, property and advantage will pass through retouching with reference to the accompanying drawings and examples
It states and becomes readily apparent from, wherein：
Fig. 1 is the stereogram that electronic balance Nei Jiao mechanisms are fixed on balance pedestal.
Fig. 2 is the stereogram of electronic balance Nei Jiao mechanisms in Fig. 1.
Fig. 3 is the decomposition view of state shown in Fig. 1.
Fig. 4 is the stereogram of sensor bracket in Fig. 1.
Fig. 5 is the stereogram of guidance set in Fig. 1.
Fig. 6 is the stereogram of horizontal displacement member in Fig. 1.
Fig. 7 is the decomposition view of mechanism shown in Fig. 8.
Fig. 8 is the stereogram of transmission mechanism in Fig. 1.
Fig. 9 is the decomposition view of counterweight component shown in Figure 10.
Figure 10 is the stereogram of counterweight component in Fig. 1.
Figure 11 is the half sectional view of electronic balance Nei Jiao mechanisms shown in Fig. 1.
Figure 12 is the sectional view of electronic balance Nei Jiao mechanisms shown in Fig. 1, section tangent line guiding pin therethrough.
Figure 13 is the sectional view of electronic balance Nei Jiao mechanisms shown in Fig. 1, section tangent line horizontal displacement member therethrough
Trapezoidal voussoir.
Figure 14 is the schematic diagram in non-interior school state of electronic balance Nei Jiao mechanisms shown in Figure 11.
Figure 15 is the schematic diagram in non-interior school state of electronic balance Nei Jiao mechanisms shown in Figure 12.
Figure 16 is the schematic diagram in non-interior school state of electronic balance Nei Jiao mechanisms shown in Figure 13.
Specific implementation mode
With reference to specific embodiments and the drawings, the invention will be further described, elaborates in the following description more
Details to facilitate a thorough understanding of the present invention, still the present invention obviously can be come with a variety of other manners different from this description it is real
It applies, those skilled in the art can make similar popularization according to practical situations without violating the connotation of the present invention, drill
It unravels silk, therefore should not be limited the scope of the invention with the content of this specific embodiment.
It should be noted that Fig. 1 to Figure 16 only as an example, its not be according to equal proportion condition draw, and
And it should not be construed as limiting in this, as the protection domain to actual requirement of the present invention.
As shown in Figure 1, electronic balance Nei Jiao mechanisms 1 are fixedly mounted in the balance pedestal 2 of electronic balance.Herein by interior school
For mechanism 1 and balance pedestal 2 separate, but in some cases .., balance pedestal 2 can also be considered as a part for Nei Jiao mechanisms 1.
As shown in Fig. 2, Nei Jiao mechanisms 1 include horizontal displacement member 3, counterweight component 2 and guidance set 4.
As shown in figure 3, Nei Jiao mechanisms 1 further include sensor bracket 5, move up and down part 6 and sensor 7.
As shown in figure 4, the ontology of sensor bracket 5 substantially flute profile, there is the guide post 51 of protrusion in upside.
As shown in figure 5, guidance set 4 includes bottom plate 41, sliding slot 410 is provided on bottom plate 41.
As shown in fig. 6, horizontal displacement member 3 includes two yokes 32 and two yokes 32 collects latter linked push-and-pull at one end
Portion 31.Yoke 32 has trapezoidal voussoir 33 in two sides, and the waist of trapezoidal voussoir 33 is bevel edge, provides inclined-plane 330.In addition,
Yoke 32 is also protruding with convex block 34 in centre, and convex block 34 is also provided with backhaul inclined-plane as described later.
As shown in fig. 7, moving up and down the substantially elongated plates of part 6, bottom has columned projective structure 61.
As shown in Figure 7 and Figure 8, guidance set 4 further includes four pins 42.Four pins 42 correspond to two yokes 32 and set respectively
It sets.Two pins 42 are corresponded in the yoke of a side 32, the yoke 32 of another side corresponds to another two pins 42.It moves up and down
Part 6 has pin hole 60, moves up and down part 6 and is sleeved on two pins 42 of a side by its pin hole 60, can be along about 42 pin
It is mobile.Two move up and down two yokes 32 of correspondence of part 6 is arranged correspondingly.The projective structure 61 for moving up and down 6 bottom of part corresponds to
The inclined-plane 330 that trapezoidal voussoir 33 on yoke 32 provides, is slidably matched with inclined-plane 330.It the top of trapezoidal voussoir 33 can also be for convex
Go out structure 61 steadily to be located on trapezoidal voussoir 33.It cannot be moved horizontally by the limitation of pin 42 due to moving up and down part 6,
It can only move up and down, therefore when horizontal displacement member 3 moves horizontally, moving up and down part 6 will not move horizontally, but move up and down part 6
Projective structure 61 can be moved along inclined-plane 330, therefore move up and down part 6 and can move up or move down.
As shown in Figure 9 and Figure 10, counterweight component 2 includes two counterweights 21,22 and connects the weight at the top of two counterweights 21,22
Code 23, connection penetrate the threaded hole of each counterweight to realize by bolt 104.Each counterweight 21,22,23 is also provided with and pin 42
The pin hole 210,220,230 of cooperation.
In combination with Fig. 1 to Figure 13, bottom plate 41 is fixed on by bolt 101 in balance pedestal 2, and pin 42 passes through bolt
105 are fixed on bottom plate 41.Sensor 7 is bolted on the centre of bottom plate 41, solid by bolt 103 on sensor 7
Determine sensor bracket 5, is respectively disposed with two pins 42 in the both sides of sensor 7, two yokes 32 of horizontal displacement member 3 are located at sensing
The both sides of device 7 have on horizontal displacement member 3 two elongated holes 36 of corresponding pin 42, horizontal displacement member 3 to be sleeved on column by elongated hole 36
On pin 42, the purpose of elongated hole 36 is while to obtain a compact knot in order to avoid pin 42 is interferenceed with horizontal displacement member 3
Structure.The length of elongated hole 36 defines the stroke length of horizontal displacement member 3.It is the pin hole by its own in the top of yoke 32
60 are sleeved on pin 42 and move up and down part 6, are the pin holes 210,220,230 by its own in the top for moving up and down part 6
The counterweight component 2 being sleeved on pin 42.Therefore state shown in Fig. 2, by operating the operation portion 31 of horizontal displacement member 3, to
Interior promotion horizontal displacement member 3, horizontal displacement member 3 are moved up and down by the promotion of inclined-plane 330 of the waist of trapezoidal voussoir 33 thereon
The projective structure 61 of part 6, such projective structure 61 are moved along inclined-plane 330, move up and down part 6 pin 42 guiding role
Under, it moves up, moves up and down part 6 and be moved upwards up at counterweight component 2, just lift counterweight component 2, such counterweight component 2
Just departing from the bracket 5 of sensor 7, sensor 7 can't detect the weight of counterweight component 2, and mechanism is in non-interior school state.Due to
It is fixed with card cap 102 at the top of pin 42, therefore counterweight component 2 is without departing from pin 42.
The action of electronic balance Nei Jiao mechanisms 1 will be more apparent from after combining Figure 11 to Figure 16, and Figure 11 to Figure 13 is shown
Electronic balance Nei Jiao mechanisms 1 are in the case where interior school state, and Figure 14 to Figure 16 shows that Nei Jiao mechanisms 1 are in non-interior school state
When the operation portion 31 of situation, i.e. horizontal displacement member 3 is accommodated in balance pedestal 2, Nei Jiao mechanisms are in non-interior school state, at this time balance
It can weigh.
As shown in figure 11, inside under the state of school, counterweight component 2 is pressed in by the counterweight 23 at the top of it on sensor bracket 5,
Weight is transmitted to sensor 7, the display data that can proofread electronics level is proofreaded.At this time as shown in figure 13, it moves up and down
The projective structure 61 of part 6 is located substantially at the bottom on the inclined-plane of the trapezoidal voussoir 33 of horizontal displacement member 3.Shown in Figure 11 to Figure 13
Power F push horizontal displacement member 3, horizontal displacement member 3 to be moved to the left, move up and down the projective structure 61 of part 6 along trapezoidal voussoir
Inclined-plane on 33 moves up, and moves up and down part 6 and is limited by pin 42, can only be moved up along pin 42, when moving up and down
When the projective structure 61 of part 6 rises along the inclined-plane of trapezoidal voussoir 33, counterweight component 2 slowly can be lifted along pin 42 simultaneously
It rises, to make counterweight component be disengaged from sensor bracket 5.
Figure 16 shows the state that horizontal displacement member 3 is moved to the left under limiting case, i.e. the push-and-pull portion of horizontal displacement member 3
In the state for being inwardly stopped at balance pedestal, i.e., cannot push to the left again.At this point, projective structure 61 " climbing " extremely trapezoidal voussoir 33
Top, steadily be located at the top of trapezoidal voussoir 33, electronics level is in non-interior school state at this time, can start to weigh.
As shown in Figure 14 to Figure 16, if at this time along the direction of power F i.e. to the right draw horizontal displacement member 3, horizontal displacement member 3 to
Move right, move up and down projective structure 61 on part 6 can along the trapezoidal voussoir 33 on horizontal displacement member 3 inclined-plane 330 slowly
It moves down, while the convex block 34 of horizontal displacement member 3, is provided with backhaul inclined-plane 341 (as shown in figure 15), backhaul inclined-plane 341
It is less than 90 degree with the angle of horizontal direction, backhaul inclined-plane 341 is pressed on resetting structure 62, applies a lower pressure, can be upper and lower
Resetting structure 62 on moving member 6 slowly drives, and is stuck on pin 42 with preventing from moving up and down part 6, at this time counterweight component 2
Also can slowly decline with moving up and down part 6 along pin 42, until smoothly falling on sensor bracket 5.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this field skill
Art personnel without departing from the spirit and scope of the present invention, can make possible variation and modification, such as pin 42 also may be used
It is moved up and down on part 6 with being fixed on, and pin 42 coordinates with the hole on pedestal 40.In addition it can also be selected on sensor bracket 5
Property guide post 51 is set, coordinate with the frame 232 on counterweight 23 so that counterweight component 2 can position be accurately located at sensing
On device bracket 5.For another example, the sliding slot 410 being oriented on foot 35, with bottom plate 41 is arranged while property is also an option that on yoke 32 to match
It closes, so that 3 energy direction of horizontal displacement member accurately moves horizontally.For another example, the bevel direction moved left and right on part 3 is reversed, to
Being changed to be pulled outwardly horizontal displacement member 3 makes interior school mechanism kinematic to non-interior school state, inwardly pushes away and moves left and right Jian Shineijiao mechanisms fortune
Move to interior school state, this some occasions can also.For another example, the quantity of pin 42 can also decrease or increase.Counterweight component 2
Quantity can also decrease or increase, such as directly stack a standard test weight again on counterweight 23.
Therefore every content without departing from technical solution of the present invention, according to the technical essence of the invention to above example institute
Any modification, equivalent variations and the modification made, each fall within the protection domain that the claims in the present invention are defined.
Claims (10)
1. electronic balance Nei Jiao mechanisms, which is characterized in that including
Have bevelled horizontal displacement member, is arranged to move in the horizontal direction；
Include the counterweight component of at least one interior school counterweight；
Sensor carries counterweight component by sensor bracket, and horizontal displacement member, which has, is located at the first side of sensor and second
The yoke of side, two yokes collect and connect a push-and-pull portion at one end, in order to push and pull the horizontal displacement member by hand, on two yokes
The inclined-plane is provided respectively；
Guidance set, including bottom plate and upright pin on bottom plate；Sensor is installed on which floor plate, sensor bracket position
Above sensor；And
Part is moved up and down, can be moved up and down by the cooperation of pin and post holes with guidance set, with what is coordinated with the inclined-plane
Projective structure；
Wherein, interior school counterweight is pressed in sensor bracket, so that force acting on transducer, to which the Nei Jiao mechanisms are in interior verification state；
The mobile inclined-plane that can make horizontal displacement member of horizontal displacement member is in contact with the projective structure moved up and down on part, and then makes
The projective structure is moved along the inclined-plane of horizontal displacement member, and is moved up and down part and can be moved to counterweight component, weight
Code character part drives, and then counterweight component is made to be disengaged from sensor bracket, and then the Nei Jiao mechanisms is made to be in non-interior school state.
2. electronic balance Nei Jiao as described in claim 1 mechanisms, it is characterised in that；Counterweight component is included in sensor first
The counterweight that side, the second side are respectively set and the counterweight in sensors topside, the counterweight at top and the counterweight of both sides are separately connected,
The counterweight at top is located on sensor bracket；Moving up and down part has post holes, is respectively set on the pin of sensor both sides
There is this to move up and down part, move up and down part and be located above horizontal displacement member, positioned at the first side of sensor, the interior school counterweight of the second side
It is moved up and down above part positioned at corresponding.
3. electronic balance Nei Jiao as claimed in claim 2 mechanisms, it is characterised in that the inclined-plane of horizontal displacement member is by described
The waist of trapezoidal voussoir on horizontal displacement member provides, and in the non-interior school state, the projective structure steadily is located at this
The top of trapezoidal voussoir.
4. electronic balance Nei Jiao as claimed in claim 2 mechanisms, it is characterised in that the horizontal displacement member also has reset convex
Block, the reset convex block are provided horizontal by the backhaul inclined-plane less than 90 degree of angles, and institute is switched in the non-interior school state
During stating interior school state, the projective structure for moving up and down part can be along the same of the inclined-plane slide downward of horizontal displacement member
When, moving up and down the resetting structure of part can also slide along the backhaul inclined-plane, be stuck on pin with preventing from moving up and down part.
5. electronic balance Nei Jiao as claimed in claim 2 mechanisms, it is characterised in that being located at interior school counterweight has post holes, the column
The post holes across interior school counterweight is sold, also can slowly decline with moving up and down part along pin, sensed in order to smoothly fall
On device bracket.
6. electronic balance Nei Jiao as described in claim 1 mechanisms, it is characterised in that the projective structure is cylindrical structure, is passed through
Cylindrical surface is slidably matched with the inclined-plane.
7. electronic balance Nei Jiao as claimed in claim 5 mechanisms, it is characterised in that card cap is fixed at the top of the pin, with
School counterweight is detached from the pin in limitation.
8. electronic balance Nei Jiao as described in claim 1 mechanisms, it is characterised in that sensor bracket provides guide post, counterweight group
Part is provided with guide housing, and guide housing and guide post are slidably matched, so that counterweight component energy position is accurately located at sensor support
On frame.
9. electronic balance Nei Jiao as claimed in claim 2 mechanisms, it is characterised in that further include balance pedestal, the bottom plate is fixed
On balance pedestal, the push-and-pull portion exposes to the balance pedestal, and the state that the push-and-pull portion pulls out corresponds to described
Interior school state, the state that the push-and-pull portion is inwardly stopped at balance pedestal correspond to and the non-interior school state.
10. electronic balance Nei Jiao as claimed in claim 2 mechanisms, it is characterised in that the bottom plate is provided with sliding slot, the fork
Arm is provided with guiding foot, and the guiding foot is inserted into the sliding slot so that horizontal displacement member energy direction accurately moves horizontally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570366.2A CN105588632B (en) | 2014-10-23 | 2014-10-23 | Electronic balance Nei Jiao mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570366.2A CN105588632B (en) | 2014-10-23 | 2014-10-23 | Electronic balance Nei Jiao mechanisms |
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| Publication Number | Publication Date |
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| CN105588632A CN105588632A (en) | 2016-05-18 |
| CN105588632B true CN105588632B (en) | 2018-08-24 |
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| CN201410570366.2A Active CN105588632B (en) | 2014-10-23 | 2014-10-23 | Electronic balance Nei Jiao mechanisms |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0468159A2 (en) * | 1990-07-27 | 1992-01-29 | Mettler-Toledo AG | Electronic balance |
| US5708236A (en) * | 1995-06-28 | 1998-01-13 | Enlight Corporation | Weighing scale with cantilever beam for transmitting force to a strain gauge |
| CN1472513A (en) * | 2002-07-29 | 2004-02-04 | 上海民桥精密科学仪器有限公司 | Inner weight correcting method for electronic high-accuracy balance |
| CN101363750A (en) * | 2008-07-23 | 2009-02-11 | 仇关根 | Large tonnage material level electronic scale and correcting method of weigh without counter poise |
| CN101454648A (en) * | 2006-06-28 | 2009-06-10 | 梅特勒-托利多公开股份有限公司 | Mechanical coupling for a calibration weight in an electronic balance |
| CN102879073A (en) * | 2012-10-18 | 2013-01-16 | 台衡精密测控(昆山)股份有限公司 | Electronic balance with internal calibrating weight structure |
| CN203310505U (en) * | 2013-06-20 | 2013-11-27 | 奥豪斯仪器（常州）有限公司 | Manual internal calibration mechanism of electronic balance |
| CN204115853U (en) * | 2014-10-23 | 2015-01-21 | 奥豪斯仪器（常州）有限公司 | Electronic balance Nei Jiao mechanism |
-
2014
- 2014-10-23 CN CN201410570366.2A patent/CN105588632B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0468159A2 (en) * | 1990-07-27 | 1992-01-29 | Mettler-Toledo AG | Electronic balance |
| US5708236A (en) * | 1995-06-28 | 1998-01-13 | Enlight Corporation | Weighing scale with cantilever beam for transmitting force to a strain gauge |
| CN1472513A (en) * | 2002-07-29 | 2004-02-04 | 上海民桥精密科学仪器有限公司 | Inner weight correcting method for electronic high-accuracy balance |
| CN101454648A (en) * | 2006-06-28 | 2009-06-10 | 梅特勒-托利多公开股份有限公司 | Mechanical coupling for a calibration weight in an electronic balance |
| CN101363750A (en) * | 2008-07-23 | 2009-02-11 | 仇关根 | Large tonnage material level electronic scale and correcting method of weigh without counter poise |
| CN102879073A (en) * | 2012-10-18 | 2013-01-16 | 台衡精密测控(昆山)股份有限公司 | Electronic balance with internal calibrating weight structure |
| CN203310505U (en) * | 2013-06-20 | 2013-11-27 | 奥豪斯仪器（常州）有限公司 | Manual internal calibration mechanism of electronic balance |
| CN204115853U (en) * | 2014-10-23 | 2015-01-21 | 奥豪斯仪器（常州）有限公司 | Electronic balance Nei Jiao mechanism |
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| Publication number | Publication date |
|---|---|
| CN105588632A (en) | 2016-05-18 |
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