CN208399058U - A kind of spirally band displacement force-sensing sensor - Google Patents
A kind of spirally band displacement force-sensing sensor Download PDFInfo
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- CN208399058U CN208399058U CN201821279623.7U CN201821279623U CN208399058U CN 208399058 U CN208399058 U CN 208399058U CN 201821279623 U CN201821279623 U CN 201821279623U CN 208399058 U CN208399058 U CN 208399058U
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- shell
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- displacement
- resilient inner
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Abstract
A kind of spirally band displacement force-sensing sensor, belongs to force-sensing sensor field, it is characterised in that: including cap, shell, resilient inner, strain circuit and spring beam；The spring beam is in inverted T shaped, including pedestal and beam body；The beam body is vertically installed on pedestal；The strain circuit is set in beam body；The resilient inner is set in shell；Spring is provided between the resilient inner and shell；The spring pocket is set on the outer wall of resilient inner；The spring beam is set in resilient inner；The cap is set to the top of shell, is connected with spring beam by the top of beam body.Using the form of helicla flute, band displacement larger displacement output is realized using the deformation with displacement shell when pulling.The consistency for all directions displacement output that the helicla flute of setting can guarantee when pulling, the output linearity degree for being displaced band is guaranteed, while shaped spiral housing uses machine to add into, can guarantee the stability of shell dimension and quality, it is easy to accomplish mass production.
Description
Technical field
The utility model belongs to force-sensing sensor field, more particularly to a kind of spirally band displacement force-sensing sensor.
Background technique
Force-sensing sensor now with displacement realizes the structure type of larger displacement output, mainly include the following types: spring
Formula and rubber cap type.Wherein the displacement of spring band is used as band displacement shell using spring, and the processing technology of such band displacement is not
Maturation, service life are not able to satisfy requirement；The displacement of rubber cap type band is utilized since band displacement cap uses non-metallic material
The nonmetallic deformation in stress realizes that band was displaced pulls feel, due to hardness of the non-metallic material under high and low temperature environment and
Elasticity modulus can change, so can not guarantee to be displaced under -55 DEG C of -85 DEG C of environment and using the consistent of feel with displacement
Property, simultaneously because material problem, the service life with displacement is unable to satisfy requirement, while be not able to satisfy properties of product consistency,
The requirement of high reliability and long-life, simultaneous processing difficulty is larger, and part consistency is lower.
Summary of the invention
The utility model aims to solve the problem that the above problem, provides a kind of stable structure, the reliably spiral band quick biography of displacement force
Sensor.
Spiral band described in the utility model is displaced force-sensing sensor, including cap, shell, resilient inner, electrostrictive strain
Road and spring beam；The spring beam is in inverted T shaped, including pedestal and beam body；The beam body is vertically installed on pedestal；The strain
Circuit is set in beam body；The resilient inner is set in shell；Spring is provided between the resilient inner and shell；It is described
Spring pocket is set on the outer wall of resilient inner；The spring beam is set in resilient inner；The cap is set to the top of shell
End, is connected with spring beam by the top of beam body.
Spiral band described in the utility model is displaced force-sensing sensor, is provided with displacement on the shell of the resilient inner
Unit；Institute's displacement unit is that the resilient inner deformation that is forced through of spring beam is generated displacement.By increasing larger displacement output,
The manipulation feel for increasing the quick tactility apparatus of power, is easy to implement being precisely controlled for force-sensing sensor.
Spiral band described in the utility model is displaced force-sensing sensor, and the shell of the resilient inner is set as propeller cap
Body is provided with helicla flute on the shaped spiral housing, and resilient inner plays spring beam when by external force, through the deformation of helicla flute
The increased effect of displacement is pulled, to increase the displacement of pulling of force-sensing sensor, increases the effect pulling feel and being precisely controlled.
The consistency for all directions displacement output that the helicla flute of setting can guarantee when pulling, the output linearity degree for being displaced band are guaranteed,
Shaped spiral housing is added into using machine simultaneously, can guarantee the stability of shell dimension and quality.
Spiral band described in the utility model is displaced force-sensing sensor, and the shell of the resilient inner is set as ripple
Pipe；Resilient inner plays the role of change in displacement when receiving external force, through the compressive deformation of bellows, to increase the quick biography of power
The displacement of sensor.
Spiral band described in the utility model is displaced force-sensing sensor, and the lower end of the spring is provided with washer；Pass through
Washer is set in the bottom end of spring, solution all directions pressing force in pressing as caused by spring end spiral shape injustice is different
The case where cause, increases the consistency of pressing feel and pressing force.
Spiral band described in the utility model is displaced force-sensing sensor, and the beam body and cap of the spring beam pass through jackscrew
It is connected.
Spiral band described in the utility model is displaced force-sensing sensor, by the improvement of original force-sensing sensor, by bullet
Property inner casing shell be set as shaped spiral housing, using the form of helicla flute, utilize the deformation with displacement shell when pulling real
Now band displacement larger displacement output.The consistency for all directions displacement output that the helicla flute of setting can guarantee when pulling, is displaced band
Output linearity degree is guaranteed, while shaped spiral housing is added into using machine, be can guarantee the stability of shell dimension and quality, is easy to
Realize mass production.
Detailed description of the invention
Fig. 1 is that spiral band described in the utility model is displaced force-sensing sensor structural schematic diagram；
Fig. 2 is that spiral band described in the utility model is displaced force-sensing sensor each group part structural schematic diagram；
Wherein 1- cap, 2- shell, 3- shaped spiral housing, 4- first circuit board, 5- spring, 6- washer, 7- second circuit board,
8- foil gauge, 9- pedestal, 10- beam body, 11- spring beam.
Specific embodiment
Spiral band displacement force-sensing sensor described in the utility model is carried out specifically with reference to the accompanying drawings and embodiments
It is bright.
Spiral band described in the utility model is displaced force-sensing sensor, as shown in Figure 1, including cap 1, shell 2, elasticity
Inner casing, strain circuit and spring beam 11；The spring beam 11 is in inverted T shaped, including pedestal 9 and beam body 10；The beam body 10 is vertical
It is set on pedestal 9；The strain circuit is set in beam body 10, and the strain circuit includes first circuit board 4, second circuit
Plate 7 and foil gauge 8；In the setting of first circuit board 4 and beam body 10；The second circuit board 7 is bonded in the bottom of spring beam 11
On seat 9；The foil gauge 8 is set between first circuit board 4 and second circuit board 7；The resilient inner is set to shell 2
It is interior；Spring 5 is provided between the resilient inner and shell 2；The spring 5 is sheathed on the outer wall of resilient inner；The elasticity
Beam 11 is set in resilient inner；The cap 1 is set to the top of shell 2, and the beam body 10 and cap 1 of spring beam 11 pass through top
Silk is connected.
Spiral band described in the utility model is displaced force-sensing sensor, and the shell of the resilient inner is set as propeller cap
Body 3 is provided with helicla flute on the shaped spiral housing 3, all directions displacement output that the helicla flute of setting can guarantee when pulling it is consistent
Property, so that the output linearity degree with displacement is guaranteed, while shaped spiral housing 3 is added into using machine, can guarantee shell dimension and matter
The stability of amount.The lower end of the spring 5 is provided with washer 6；By the way that washer 6 is arranged in the bottom end of spring 5, solve due to spring
Caused by 5 end convolution shapes are uneven in pressing the inconsistent situation of all directions pressing force, increase pressing feel and pressing force
Consistency, while blocking directly contacting for spring 5 and shell 2, reduce the abrasion for shell 2, improve force-sensing sensor
Service life.
As shown in Fig. 2, spiral band displacement force-sensing sensor is when being assembled described in the present embodiment, by the foil gauge
8 are bonded between the first circuit board 4 on spring beam 11 and second circuit board 7, then the beam body 10 for being bonded foil gauge 8 is packed into spiral shell
It revolves in shell 3；Spring 5, washer 6 and spring beam 11 are sequentially loaded into shell 2, a component is connected as with screw, then by bullet
Property beam 11 is connect with cap 1 by jackscrew.
In use, cap 1 forces spring beam 11 to be deformed under external force, while propeller cap is driven by spring beam 11
Body 3 is deformed, and the Zona transformans dynamic strain piece 8 of spring beam 11 deforms and generates voltage output；It is defeated to reach big displacement voltage
Function out；The displacement of spiral groove type band utilizes the deformation with displacement shell when pulling because shell uses the form of helicla flute
Realize band displacement larger displacement output.The spring 5 being sheathed on shaped spiral housing 3 can realize the pressing function of force-sensing sensor by compression
Energy.When pulling force-sensing sensor spring beam 11, shaped spiral housing 3, which deforms, realizes the larger displacement output of force-sensing sensor, presses
Pressure sensitive sensor makes the spring 5 being placed on shaped spiral housing 3 that compressive deformation occur, and the pressing function of force-sensing sensor is realized with this
Energy.The consistency for all directions displacement output that helicla flute can guarantee when pulling, the output linearity degree for being displaced band are guaranteed, simultaneously
Shell is added into using machine, can guarantee the stability of shell dimension and quality, it is easy to accomplish mass production.
Claims (6)
1. a kind of spirally band displacement force-sensing sensor, it is characterised in that: including cap (1), shell (2), resilient inner, strain
Circuit and spring beam (11)；The spring beam (11) is in inverted T shaped, including pedestal (9) and beam body (10)；The beam body (10) is vertical
It is set on pedestal (9)；The strain circuit is set on beam body (10)；The resilient inner is set in shell (2)；It is described
Spring (5) are provided between resilient inner and shell (2)；The spring (5) is sheathed on the outer wall of resilient inner；The spring beam
(11) it is set in resilient inner；The cap (1) is set to the top of shell (2), passes through beam body (10) with spring beam (11)
Top be connected.
2. spiral band according to claim 1 is displaced force-sensing sensor, it is characterised in that: the shell of the resilient inner
On be provided with displacement unit；Institute's displacement unit can deformation occurs generates displacement by compressing.
3. spiral band according to claim 1 or 2 is displaced force-sensing sensor, it is characterised in that: the resilient inner
Shell is set as shaped spiral housing (3), is provided with helicla flute on the shaped spiral housing (3).
4. spiral band according to claim 1 or 2 is displaced force-sensing sensor, it is characterised in that: the resilient inner
Shell is set as bellows.
5. spiral band according to claim 3 is displaced force-sensing sensor, it is characterised in that: the lower end of the spring (5)
It is provided with washer (6).
6. spiral band according to claim 5 is displaced force-sensing sensor, it is characterised in that: the beam of the spring beam (11)
Body (10) is connected with cap (1) by jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279623.7U CN208399058U (en) | 2018-08-09 | 2018-08-09 | A kind of spirally band displacement force-sensing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279623.7U CN208399058U (en) | 2018-08-09 | 2018-08-09 | A kind of spirally band displacement force-sensing sensor |
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| Publication Number | Publication Date |
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| CN208399058U true CN208399058U (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955962A (en) * | 2018-08-09 | 2018-12-07 | 西安旭彤电子科技股份有限公司 | A kind of spirally band displacement force-sensing sensor |
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2018
- 2018-08-09 CN CN201821279623.7U patent/CN208399058U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955962A (en) * | 2018-08-09 | 2018-12-07 | 西安旭彤电子科技股份有限公司 | A kind of spirally band displacement force-sensing sensor |
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