CN109303551A - Mechanical finger for pulse-taking instrument - Google Patents
Mechanical finger for pulse-taking instrument Download PDFInfo
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- CN109303551A CN109303551A CN201811359086.1A CN201811359086A CN109303551A CN 109303551 A CN109303551 A CN 109303551A CN 201811359086 A CN201811359086 A CN 201811359086A CN 109303551 A CN109303551 A CN 109303551A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4854—Diagnosis based on concepts of traditional oriental medicine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6843—Monitoring or controlling sensor contact pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/04—Constructional details of apparatus
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- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Alternative & Traditional Medicine (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention discloses a kind of mechanical fingers for pulse-taking instrument, including fixed column, extend along the vertical direction, and the upper end of the fixed column is fixing end, and lower end is free end；Sensor fixation plate, its lower section for being located at the fixed column, the sensor fixation plate has around the first virtual axis rotation and around two rotational freedoms of the second virtual axis rotation intersected with the described first virtual axis, and the bottom surface of the sensor fixation plate is provided with sensor mounting surface；Pressure sensor is mounted on the sensor mounting surface；And driving device, it is mounted in the fixed column, the driving device includes transmission mechanism, the first driving mechanism and the second driving mechanism.Mechanical finger for pulse-taking instrument of the invention can get pressure value signal when pressure-sensing face is contacted with human skin, controls pressure-sensing face by driving device further according to pressure value signal and is adjusted to reasonable angle, to obtain more accurate pulse signal.
Description
Technical field
The present invention relates to medical instruments fields, more particularly to a kind of mechanical finger for pulse-taking instrument.
Background technique
Diagnostic means of the diagnosis by feeling the pulse as China's Traditional Chinese Medicine, probing into and practicing by successive dynasties Chinese medicine more than one thousand years, gradually shape
At the diagnosis system of 28 kinds of pulse conditions.The major way of pulse wave spectrum is still traditional Chinese medical doctor by finger to patient's pulse condition at present
It is perceived, is diagnosed the illness further according to doctor's experience and hand tactile.This diagnostic mode judgment criteria is fuzzy, is easy by doctor
Personal experience and subjective factor influence cause to judge by accident, and quantization and effective record can not be carried out to pulse condition.
For this purpose, occurring the pulse-taking instrument for feeling the pulse on the market, such pulse-taking instrument is mainly by the arteries and veins for acquiring measured
The mechanical finger for information of fighting and for being analyzed and processed to pulse information host composition.Pressure biography is provided on mechanical finger
Sensor.The pressure sensor of pulse-taking instrument is developed by single-point as after multiple spot matrix, signal has the expression of spatial shape, if pressure
Power sensing face and wrist position to be measured are not desired vertical relationship, then signal waveform is easy to produce inclination or offset, is unfavorable for
The analysis and processing of signal data.
Summary of the invention
For above-mentioned state of the art, the present invention adjusts feeling of stress during providing a kind of achievable mechanical finger pressing
The mechanical finger for pulse-taking instrument of survey face pose.
In order to solve the above-mentioned technical problem, a kind of mechanical finger for pulse-taking instrument provided by the present invention, comprising:
Fixed column extends along the vertical direction, and the upper end of the fixed column is fixing end, and lower end is free end；
Sensor fixation plate, is located at the lower section of the fixed column, and the sensor fixation plate has around the first imaginary axis
Line rotation and two rotational freedoms rotated around the second virtual axis intersected with the described first virtual axis, in the sensing
The bottom surface of device fixed plate is provided with sensor mounting surface；
Pressure sensor is mounted on the sensor mounting surface；And
Driving device is mounted in the fixed column, the driving device include transmission mechanism, the first driving mechanism and
Second driving mechanism, the transmission mechanism include lower layer's fixed plate, upper layer fixed plate and at least three connecting rods, and the lower layer is solid
Fixed board and the upper layer fixed plate are sequentially arranged at from the bottom to top in the fixed column, and lower layer's fixed plate has around first axle
Two rotational freedoms line rotation and rotated around the second axis intersected with the first axle, the upper layer fixed plate have
It is rotated around third axis and around two rotational freedoms that the four axistyle intersected with the third axis rotates, the first axle
Line, the third axis are overlapped with the projection of the described first virtual axis in the vertical direction, the second axis, the described 4th
Axis is overlapped with the projection of the described second virtual axis in the vertical direction；The top of at least three connecting rods and the lower layer
Fixed plate and the upper layer fixed plate hingedly constitute double parallel quadrilateral connecting rod mechanism, the lower end of at least three connecting rods and institute
It is hinged to state sensor fixation plate；First driving mechanism is for driving lower layer's fixed plate around the first axle or described
Upper layer fixed plate is rotated around the third axis, and second driving mechanism is for driving lower layer's fixed plate around described second
Axis or the upper layer fixed plate are rotated around the four axistyle.
The above-mentioned mechanical finger for pulse-taking instrument, due to sensor mounting surface can axis oscillating around the shaft so that pressure
The pressure-sensing face of sensor can be swung in two freedom degrees, can get pressure value when pressure-sensing face is contacted with human skin
Signal controls pressure-sensing face by driving device further according to pressure value signal and is adjusted to reasonable angle, more accurate to obtain
Pulse signal.
The cross section of the sensor fixation plate is U-shaped in one of the embodiments,.
The transmission mechanism further includes the first cross axle and the second cross axle, the lower layer in one of the embodiments,
Fixed plate is mounted on the free end of the fixed column by first cross axle, and the upper layer fixed plate passes through described
On second cross axle is mounted between the free end of the fixed column and the fixing end.
Be disposed radially intersection on the free end of the fixed column in one of the embodiments, first is logical
Hole and the second through-hole, first cross axle include the first rotating shaft and the second shaft of intersection, and the first rotating shaft is threaded through institute
It states in first through hole, and the both ends of the first rotating shaft are supported in lower layer's fixed plate respectively after the first through hole
The first support holes in, second shaft is threaded through in second through-hole；
The third through-hole of intersection is disposed radially between the free end and the fixing end of the fixed column
And fourth hole, second cross axle include the third shaft and the 4th shaft of intersection, the third shaft is threaded through described
In third through-hole, and the both ends of the third shaft are supported in the upper layer fixed plate respectively after the third through-hole
In second support holes, the 4th shaft is threaded through in the fourth hole.
The cross section of the first through hole is deltiod, the cross section of the first rotating shaft in one of the embodiments,
For the deltiod to match with the cross-sectional shape of the first through hole.
Lower layer's fixed plate includes lower layer's fixed plate ontology and two the first cover boards, institute in one of the embodiments,
The top surface for stating lower layer's fixed plate ontology is provided with the first holding tank along the second axis, and institute is stretched out in one end of second shaft
It is contained in first holding tank after stating the second through-hole, lower layer's fixed plate ontology in first holding tank two sides
A first lower semi-circular slot is each provided on top surface, two first cover boards cover respectively is located at first holding tank two sides
Lower layer's fixed plate ontology top surface on, be correspondingly arranged on the first lower semi-circular slot in first cover board
One upper half circular trough, the first upper half circular trough dock to form first support holes with the first lower semi-circular slot.
The cross section of the third through-hole is deltiod, the cross section of the third shaft in one of the embodiments,
For the deltiod to match with the cross-sectional shape of the third through-hole.
The upper layer fixed plate includes upper layer fixed plate ontology and the second cover board in one of the embodiments, it is described on
The top surface of layer fixed plate ontology is provided with the second holding tank along the four axistyle, and one end of the 4th shaft stretches out described the
It is contained in after four through-holes in second holding tank, in the top surface of the upper layer fixed plate ontology of second holding tank two sides
On be each provided with a second lower semi-circular slot, two second cover boards cover the institute for being located at second holding tank two sides respectively
On the top surface for stating upper layer fixed plate ontology, in being correspondingly arranged on second with the second lower semi-circular slot for second cover board
Semi-circular groove, the second upper half circular trough dock to form second support holes with the second lower semi-circular slot.
The first through hole or the third shaft are stretched out in one end of the first rotating shaft in one of the embodiments,
One end is stretched out the third through-hole and is connect with mounting disc, and first driving mechanism is mounted in the mounting disc, and described first
The output shaft of driving mechanism is connect with lower layer's fixed plate or the upper layer fixed plate, for drive lower layer's fixed plate around
The first axle or the driving upper layer fixed plate of the first rotating shaft are rotated around the third axis of the third shaft.
Second driving mechanism is mounted in the fixed column in one of the embodiments, second driving machine
The output shaft of structure is connect with second shaft or the 4th shaft.
Beneficial effect possessed by additional technical feature of the present invention will be said in this specification specific embodiment part
It is bright.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the mechanical finger for pulse-taking instrument in the embodiment of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the mechanical finger for pulse-taking instrument in the embodiment of the present invention；
Fig. 3 is the decomposition texture schematic diagram of the transmission mechanism of the mechanical finger for pulse-taking instrument in the embodiment of the present invention.
Description of symbols: 10, fixed column；11, fixing end；12, free end；13, first through hole；14, the second through-hole；
15, third through-hole；16, fourth hole；20, sensor fixation plate；21, sensor fixation plate ontology；212, boss；214, first
Ball slot；215, sensor mounting surface；216, base plate；217, side plate；22, pressing plate；221, groove；223, the first perforation；
30, lower layer's fixed plate；31, lower layer's fixed plate ontology；311, the first holding tank；312, the first lower semi-circular slot；314, the second circle
Ball groove；32, the first cover board；321, the first upper half circular trough；322, the second perforation；40, upper layer fixed plate；41, upper layer fixed plate
Ontology；411, the second holding tank；412, the second lower semi-circular slot；414, third ball slot；42, the second cover board；421, on second
Semi-circular groove；422, third is perforated；50, the first cross axle；51, first rotating shaft；52, the second shaft；60, the second cross axle；61,
Third shaft；62, the 4th shaft；70, the first driving mechanism；71, the first steering engine；711, the output shaft of the first steering engine；72, first
Mounting plate；73, the first connecting plate；74, the second connecting plate；75, mounting disc；80, the second driving mechanism；81, the second steering engine；811,
The output shaft of second steering engine；82, the second mounting plate；83, shaft coupling；90, pressure sensor module；91, pressure sensor；92,
Connecting wire；93, data processing chip；100, pressing plate；110, connecting rod；111, lower bulb；112, upper bulb；113, intermediate
Head.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments the present invention is described in detail.It should be noted that not conflicting
In the case of, the feature in following embodiment and embodiment can be combined with each other.
As shown in Figure 1-3, the mechanical finger for pulse-taking instrument in the embodiment of the present invention is mainly by fixed column 10, sensor
Fixed plate 20, pressure sensor module 90 and driving device composition, wherein fixed column 10 extends along the vertical direction, fixed column
10 upper ends are fixing end 11, and lower end is free end 12.The fixing end 11 of fixed column 10 and the finger actuation mechanism of pulse-taking instrument are (in figure
It is not shown) connection, 10 oscilaltion campaign of fixed column is driven by finger actuation mechanism, to drive entire mechanical finger or more
Elevating movement.
Sensor fixation plate 20 is mainly used for installing pressure sensor module 90, and sensor fixation plate 20 is located at fixed column 10
Lower section, the sensor fixation plate 20 has around the first virtual axis L1 rotation and intersects around with the described first virtual axis L1
The second virtual axis L2 rotation two rotational freedoms, the bottom surface of sensor fixation plate 20 is provided with sensor mounting surface
215.As an example, sensor fixation plate 20 includes sensor fixation plate ontology 21 and pressing plate 22, the sensor fixation plate sheet
The cross section of body 21 is U-shaped comprising base plate 216 and the side plate 217 upwardly extended from the both ends of the base plate 216,
Bottom surface in the base plate 216 is the sensor mounting surface 215, and the pressing plate 22 covers the top for being located at the base plate 216
On face.Sensor fixation plate 20 in the present embodiment adopts a split structure, and facilitates processing.The middle part of the top surface of base plate 216
It is provided with boss 212, the four corners of the top surface of base plate 216 are each provided with a first ball slot 214.The lid of pressing plate 22 is located at
On the top surface of sensor fixation plate ontology 21, fluted 221 are correspondingly arranged with boss 212, the first ball slot 214 on pressing plate 22
With the first perforation 223, boss 212 is caught in groove 221.Because the space of sensor fixation plate 20 is limited, groove 221 is first passed through
Block pressing plate 22 with the cooperation of boss 212, then by a screw can be realized pressing plate 22 and sensor fixation plate ontology 21 can
It is easy to assembly by connection.First perforation 223 and the opposite lower bulb formed for blocking 110 lower end of connecting rod of the first ball slot 214
111 card slot.
Pressure sensor module 90 includes multiple pressure sensors 91, connecting wire 92 and the data processing core of matrix arrangement
Piece 93, multiple pressure sensors 91 are mounted on the sensor mounting surface 215, and multiple pressure sensors 91 have and human body skin
The pressure-sensing face of skin contact, multiple pressure sensors are connect by connecting wire 92 with data processing chip 93, pressure sensing
The connecting wire 92 and data processing chip 93 of device module 90 are fixed on fixed column 10 by pressing plate 100.
Driving device is for driving the sensor fixation plate 20 to turn around the first virtual virtual axis L2 of axis L1 and second
It is dynamic.Since sensor mounting surface 215 can be swung around the first virtual virtual axis L2 of axis L1 and second, so that pressure sensor
Pressure-sensing face can be swung in two freedom degrees, can get pressure value signal when pressure-sensing face is contacted with human skin, then
Reasonable angle is calculated according to pressure value signal, pressure-sensing face is then controlled by driving device and is adjusted to reasonable angle,
To obtain more accurate pulse signal.
Driving device in the present embodiment includes transmission mechanism, the first driving mechanism 70 and the second driving mechanism 80, described
Transmission mechanism includes lower layer's fixed plate 30, upper layer fixed plate 40 and at least three connecting rods 110, lower layer's fixed plate 30 and institute
It states upper layer fixed plate 40 to be sequentially arranged at from the bottom to top in the fixed column 10, lower layer's fixed plate 30 has around first axle
Two rotational freedoms L3 rotation and rotated around the second axis L4 intersected with the first axle L3, the upper layer fixed plate
40 have two for rotating around third axis L5 and rotating around the four axistyle L6 that intersect with the third axis L5 rotatably mounted
Degree, the first axle L3, the third axis L5 are overlapped with the projection of the described first virtual axis L1 in the vertical direction, institute
Second axis L4, the four axistyle L6 is stated to be overlapped with the projection of the described second virtual axis L2 in the vertical direction；This implementation
In example, the quantity of connecting rod 110 is four, and four connecting rods 110 are arranged in four vertex of quadrangle, four connecting rods
110 hingedly constitute double parallel quadrilateral connecting rod mechanism with lower layer's fixed plate 30 and the upper layer fixed plate 40, described in four
The lower end of connecting rod 110 and the sensor fixation plate 20 are hinged.As an example, the lower end of four connecting rods 110 is provided with down
Bulb 111, lower bulb 111 is in the first ball slot 214.The lower end of connecting rod 110 passes through lower bulb 111 and the first ball slot
214214 is hinged with sensor fixation plate 20.
First driving mechanism 70 is for driving lower layer's fixed plate 30 around the first axle L3 or the upper layer
Fixed plate 40 is rotated around the third axis L5, to drive sensor fixation plate 20 around the first virtual axis L1 rotation；It is described
Second driving mechanism 80 is for driving lower layer's fixed plate 30 around the second axis L4 or the upper layer fixed plate 40 around institute
Four axistyle L6 rotation is stated, to drive sensor fixation plate 20 around the second virtual axis L2 rotation.Of the invention is used for diagnosis by feeling the pulse
The mechanical finger of instrument, since there are two rotational freedoms for the tool of sensor fixation plate 20, so that the pressure-sensing face of pressure sensor
It can be swung in two freedom degrees, can get pressure value signal when pressure-sensing face is contacted with human skin, further according to pressure value
Signal controls pressure-sensing face by driving device and is adjusted to reasonable angle, to obtain more accurate pulse signal.
As an example, transmission mechanism includes lower layer's fixed plate 30, the first cross axle 50, upper layer fixed plate 40, the second cross
Axis 60 and four connecting rods 110, are disposed radially the first through hole of intersection on the free end 12 of the fixed column 10
13 and second through-hole 14, first cross axle 50 include the first rotating shaft 51 and the second shaft 52 of intersection, the first rotating shaft
51 are threaded through in the first through hole 13, and the both ends of the first rotating shaft 51 are supported on respectively after the first through hole 13
In the first support holes in lower layer's fixed plate 30, second shaft 52 is threaded through in second through-hole 14.Preferably,
The cross section of the first through hole 13 is deltiod, and the cross section of the first rotating shaft 51 is transversal with the first through hole 13
The deltiod that face shape matches, to prevent first rotating shaft 51 from rotating relative to fixed column 10.
Preferably, in order to facilitate processing, lower layer's fixed plate 30 includes lower layer's fixed plate ontology 31 and the first cover board 32,
The top surface of lower layer's fixed plate ontology 31 is provided with the first holding tank 311, second shaft 52 along the second axis L4
It is contained in first holding tank 311, the bottom of the first holding tank 311 is provided with the free end 12 for fixed column 10 and passes through
The first via hole, be each provided with one on the top surface of lower layer's fixed plate ontology 31 of 311 two sides of the first holding tank
First lower semi-circular slot 312, two first cover boards 32 cover the lower layer for being located at 311 two sides of the first holding tank respectively
On the top surface of fixed plate ontology 31, first is correspondingly arranged on the first lower semi-circular slot 312 in first cover board 32
Upper half circular trough 321, the first upper half circular trough 321 dock to form described first with the first lower semi-circular slot 312
Bearing bore.Two second are also each provided on the top surface of lower layer's fixed plate ontology 31 of 311 two sides of the first holding tank
Ball slot 314 is correspondingly arranged on second passed through for connecting rod 110 with the second ball slot 314 in first cover board 32
Perforation 322.110 middle part is provided with intermediate bulb 113, and intermediate bulb 113 is mounted in by the second ball slot 314, second perforation 322
In the card slot of formation.Connecting rod 110 is hinged by intermediate bulb 113 and the second ball slot 314 and lower layer's fixed plate 30.
As an example, being disposed radially between the free end 12 and the fixing end 11 of the fixed column 10
The third through-hole 15 and fourth hole 16 of intersection, second cross axle 60 include the third shaft 61 and the 4th shaft of intersection
62, the third shaft 61 is threaded through in the third through-hole 15, and the both ends of the third shaft 61 are logical across the third
It is supported on respectively behind hole 15 in the second support holes in the upper layer fixed plate 40, the 4th shaft 62 is threaded through the described 4th
In through-hole 16.The cross section of the third through-hole 15 is deltiod, and the cross section of the third shaft 61 is logical with the third
The deltiod that the cross-sectional shape in hole 15 matches, to prevent third shaft 61 from rotating relative to fixed column 10.
Preferably, in order to facilitate processing, the upper layer fixed plate 40 includes upper layer fixed plate ontology 41 and the second cover board 42,
The top surface of the upper layer fixed plate ontology 41 is provided with the second holding tank 411, the 4th shaft 62 along the four axistyle L6
It is contained in second holding tank 411, the second mistake passed through for fixed column 10 is provided in the bottom of the second holding tank 411
Hole is each provided with second lower half on the top surface of the upper layer fixed plate ontology 41 of 411 two sides of the second holding tank
Circular trough 412, two second cover boards 42 cover the upper layer fixed plate sheet for being located at 411 two sides of the second holding tank respectively
On the top surface of body 41, the second upper half circle is correspondingly arranged on the second lower semi-circular slot 412 in second cover board 42
Slot 421, the second upper half circular trough 421 dock to form second support holes with the second lower semi-circular slot 412.Institute
It states and is also each provided with two third ball slots 414 on the top surface of the upper layer fixed plate ontology 41 of 411 two sides of the second holding tank.
Third perforation 422 is correspondingly arranged on the third ball slot 414 in second cover board 42.The upper end of four connecting rods 110
It is provided with bulb 112, upper bulb 112 is mounted in the card slot formed by third ball slot 414, third perforation 422.Connecting rod 110
It is hinged by upper bulb 112 and third ball slot 414 and upper layer fixed plate 40.
As an alternative, connecting rod 110 and sensor fixation plate 20, lower layer's fixed plate 30, upper layer fixed plate 40 use ten thousand
It is hinged to section.
First driving mechanism 70 is for driving lower layer's fixed plate 30 around the first axle L3 or the upper layer
Fixed plate 40 is rotated around the third axis L5, and second driving mechanism 80 is for driving lower layer's fixed plate 30 around described
Second axis L4 or the upper layer fixed plate 40 are rotated around the four axistyle L6.The machinery for pulse-taking instrument in the present embodiment
Finger, the first driving mechanism 70 and the second driving mechanism 80 can be simutaneously arranged in the side of lower layer's fixed plate 30, or simultaneously
It is arranged in the side of upper layer fixed plate 40 or side that one is arranged in lower layer's fixed plate 30, it is solid that another is arranged in upper layer
The side of fixed board 40, arrangement are flexible.Moreover, the first driving mechanism 70 and the second driving mechanism 80 can be located at the lower layer
Fixed plate 30 or upper layer fixed plate 40 it is ipsilateral, can reduce finger width in this way, allow three same fingers side by side
It uses.
As an example, the output shaft of first driving mechanism 70 is connect with lower layer's fixed plate 30, for driving
The axis that lower layer's fixed plate 30 is stated around the first rotating shaft 51 rotates, to drive sensor fixation plate 2020 around the first imaginary axis
Line L1 rotation.In the present embodiment, lower layer's fixed plate 30 is stretched out in one end of the first rotating shaft 51, and the end is provided with peace
Sabot 75, first driving mechanism 7070 include the first steering engine 71, the first mounting plate 72, the first connecting plate 73 and the second company
Fishplate bar 74, the first steering engine 71 are mounted in mounting disc 75 by the first mounting plate 72, and the output shaft 711 of the first steering engine 71 passes through the
One connecting plate 73 and the second connecting plate 74 are connect with the first cover board 32.When first steering engine 71 works, the output shaft of the first steering engine 71
Rotation drives lower layer's fixed plate 30 to revolve around the first axle L3 of first rotating shaft 51 by the first connecting plate 73 and the second connecting plate 74
Turn, be driven by least three connecting rods 110, drives sensor fixation plate 20 along the first virtual axis L1 rotation.
As an example, the second driving mechanism 80 is used to drive lower layer's fixed plate 30 around the of second cross axle 60
Two shafts 52 rotation, to drive sensor fixation plate 20 around the second virtual axis L2 rotation.In the present embodiment, the second driving machine
Structure 80 includes the second steering engine 81 and the second mounting plate 82, and the second steering engine 81 is mounted on fixed column 10 by the second mounting plate 82
On, the output shaft 811 of the second steering engine 81 is connect by shaft coupling 83 with the second shaft 52.When second steering engine 81 works, the second rudder
The output shaft of machine 81 rotates, and drives lower layer's fixed plate 30 to rotate around the second axis L4 of the second shaft 52 by shaft coupling 83, leads to
It crosses at least three connecting rods 110 to be driven, drives sensor fixation plate 20 along the second virtual axis L2 rotation.
Mechanical finger for pulse-taking instrument of the invention, since there is sensor fixation plate the axis around cross axle to rotate
Two rotational freedoms, so that the pressure-sensing face of pressure sensor can be swung in two freedom degrees, as pressure-sensing face and people
It can get pressure value signal when body skin contact, pressure-sensing face controlled by driving device further according to pressure value signal and is adjusted to
Reasonable angle, to obtain more accurate pulse signal.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (10)
1. a kind of mechanical finger for pulse-taking instrument characterized by comprising
Fixed column extends along the vertical direction, and the upper end of the fixed column is fixing end, and lower end is free end；
Sensor fixation plate is located at the lower section of the fixed column, and the sensor fixation plate has to be turned around the first virtual axis
Two rotational freedoms dynamic and around the second virtual axis rotation intersected with the described first virtual axis, it is solid in the sensor
The bottom surface of fixed board is provided with sensor mounting surface；
Pressure sensor is mounted on the sensor mounting surface；And
Driving device is mounted in the fixed column, and the driving device includes transmission mechanism, the first driving mechanism and second
Driving mechanism, the transmission mechanism include lower layer's fixed plate, upper layer fixed plate and at least three connecting rods, lower layer's fixed plate
It is sequentially arranged in the fixed column from the bottom to top with the upper layer fixed plate, lower layer's fixed plate has to be turned around first axle
Two rotational freedoms dynamic and around second axis rotation intersect with the first axle, the upper layer fixed plate is with around the
Two rotational freedoms they three axis rotation and rotated around the four axistyle intersected with the third axis, and the first axle
Line, the third axis are overlapped with the projection of the described first virtual axis in the vertical direction, the second axis, the described 4th
Axis is overlapped with the projection of the described second virtual axis in the vertical direction；The top of at least three connecting rods and the lower layer
Fixed plate and the upper layer fixed plate hingedly constitute double parallel quadrilateral connecting rod mechanism, the lower end of at least three connecting rods and institute
It is hinged to state sensor fixation plate；First driving mechanism is for driving lower layer's fixed plate around the first axle or described
Upper layer fixed plate is rotated around the third axis, and second driving mechanism is for driving lower layer's fixed plate around described second
Axis or the upper layer fixed plate are rotated around the four axistyle.
2. the mechanical finger according to claim 1 for pulse-taking instrument, which is characterized in that the cross of the sensor fixation plate
Section is U-shaped.
3. the mechanical finger according to claim 1 for pulse-taking instrument, which is characterized in that the transmission mechanism further includes
One cross axle and the second cross axle, lower layer's fixed plate by first cross axle be mounted on the fixed column it is described from
By end on, the upper layer fixed plate by second cross axle be mounted on the fixed column the free end and the fixation
On between end.
4. the mechanical finger according to claim 3 for pulse-taking instrument, which is characterized in that described in the fixed column from
By being disposed radially the first through hole and the second through-hole of intersection on end, first cross axle include intersection first rotating shaft and
Second shaft, the first rotating shaft are threaded through in the first through hole, and the both ends of the first rotating shaft pass through described first and lead to
It is supported on respectively behind hole in the first support holes in lower layer's fixed plate, second shaft is threaded through second through-hole
It is interior；
The third through-hole and of intersection is disposed radially between the free end and the fixing end of the fixed column
Four through-holes, second cross axle include the third shaft and the 4th shaft of intersection, and the third shaft is threaded through the third
In through-hole, and the both ends of the third shaft are supported on second in the upper layer fixed plate respectively after the third through-hole
In support holes, the 4th shaft is threaded through in the fourth hole.
5. the mechanical finger according to claim 4 for pulse-taking instrument, which is characterized in that the cross section of the first through hole
For deltiod, the cross section of the first rotating shaft is the deltiod to match with the cross-sectional shape of the first through hole.
6. the mechanical finger according to claim 4 for pulse-taking instrument, which is characterized in that under lower layer's fixed plate includes
Layer fixed plate ontology and two the first cover boards, the top surface of lower layer's fixed plate ontology are provided with the first appearance along the second axis
Receive slot, one end of second shaft is contained in first holding tank after stretching out second through-hole, is held described first
Receive slot two sides lower layer's fixed plate ontology top surface on be each provided with a first lower semi-circular slot, two first lids
Plate is covered respectively on the top surface for the lower layer's fixed plate ontology for being located at first holding tank two sides, first cover board with
The first lower semi-circular slot is correspondingly arranged on the first upper half circular trough, the first upper half circular trough and first lower half circle
Shape slot docks to form first support holes.
7. the mechanical finger according to claim 4 for pulse-taking instrument, which is characterized in that the cross section of the third through-hole
For deltiod, the cross section of the third shaft is the deltiod to match with the cross-sectional shape of the third through-hole.
8. the mechanical finger according to claim 4 for pulse-taking instrument, which is characterized in that the upper layer fixed plate includes upper
Layer fixed plate ontology and the second cover board, the top surface of the upper layer fixed plate ontology are provided with the second receiving along the four axistyle
Slot, one end of the 4th shaft are contained in second holding tank after stretching out the fourth hole, accommodate described second
A second lower semi-circular slot, two second cover boards are each provided on the top surface of the upper layer fixed plate ontology of slot two sides
Lid is located on the top surface of the upper layer fixed plate ontology of second holding tank two sides respectively, in second cover board and institute
It states the second lower semi-circular slot and is correspondingly arranged on the second upper half circular trough, the second upper half circular trough and second lower semi-circular
Slot docks to form second support holes.
9. the mechanical finger according to claim 4 for pulse-taking instrument, which is characterized in that stretch one end of the first rotating shaft
One end of the first through hole or the third shaft is stretched out the third through-hole and is connect with mounting disc out, first driving machine
Structure is mounted in the mounting disc, the output shaft of first driving mechanism and lower layer's fixed plate or the upper layer fixed plate
Connection, for driving lower layer's fixed plate around the first axle of the first rotating shaft or the driving upper layer fixed plate around described
The third axis of third shaft rotates.
10. the mechanical finger according to claim 4 for pulse-taking instrument, which is characterized in that the second driving mechanism peace
In the fixed column, the output shaft of second driving mechanism is connect with second shaft or the 4th shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359086.1A CN109303551A (en) | 2018-11-15 | 2018-11-15 | Mechanical finger for pulse-taking instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359086.1A CN109303551A (en) | 2018-11-15 | 2018-11-15 | Mechanical finger for pulse-taking instrument |
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| CN109303551A true CN109303551A (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811359086.1A Pending CN109303551A (en) | 2018-11-15 | 2018-11-15 | Mechanical finger for pulse-taking instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109805905A (en) * | 2019-03-27 | 2019-05-28 | 珠海市万瑙特健康科技有限公司 | Pulse-taking instrument mechanical finger |
| CN109820494A (en) * | 2019-03-27 | 2019-05-31 | 珠海市万瑙特健康科技有限公司 | Pulse-taking instrument mechanical finger |
| CN110200602A (en) * | 2019-06-27 | 2019-09-06 | 中防通用电信技术有限公司 | Pulse information acquisition device |
| CN114209549A (en) * | 2021-12-31 | 2022-03-22 | 常州大学 | Wrist rehabilitation device with two degrees of freedom |
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| CN209252848U (en) * | 2018-11-15 | 2019-08-16 | 珠海市万瑙特健康科技有限公司 | Mechanical finger for pulse-taking instrument |
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| KR20030069744A (en) * | 2002-02-25 | 2003-08-27 | 주식회사 트루썸 | Device for detecting the location of a point of pulses in hands |
| US20040140953A1 (en) * | 2003-01-16 | 2004-07-22 | Kyung Ki Uk | Haptic mouse interface system for providing force and tactile feedbacks to user's fingers and arm |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109805905A (en) * | 2019-03-27 | 2019-05-28 | 珠海市万瑙特健康科技有限公司 | Pulse-taking instrument mechanical finger |
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Effective date of registration: 20201211 Address after: Room 1001, unit 3, building 1, No. 145, Mingzhu North Road, Xiangzhou District, Zhuhai City, Guangdong Province Applicant after: Zhimei Kangmin (Zhuhai) Health Technology Co., Ltd Address before: 519000 A 2, two floor, No. 10 Futian Road, Xiangzhou District, Zhuhai, Guangdong. Applicant before: ZHUHAI WANNAOTE HEALTH TECHNOLOGY Co.,Ltd. |
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