CN105465308B - A kind of transmission mechanism and its 4D probe - Google Patents
A kind of transmission mechanism and its 4D probe Download PDFInfo
- Publication number
- CN105465308B CN105465308B CN201510918237.2A CN201510918237A CN105465308B CN 105465308 B CN105465308 B CN 105465308B CN 201510918237 A CN201510918237 A CN 201510918237A CN 105465308 B CN105465308 B CN 105465308B
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- Prior art keywords
- power transmission
- shaft
- transmission shaft
- fixing axle
- connector
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
- F16H21/16—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Transmission Devices (AREA)
Abstract
The present invention provides a kind of transmission mechanism so that motor moves transducer core in the transmission lower band of the transmission mechanism and swung, and the transmission mechanism includes：First power transmission shaft, eccentric connector, second driving shaft, sliding sleeve, the 3rd power transmission shaft, at least one connector, at least one fixing axle, the present invention also provides corresponding 4D probes, the Synchronous Transmission of motor and transducer core is realized by the present invention, so as to reach the requirement to high precision of popping one's head in.
Description
Technical field
The present invention relates to probe technologies field, is specifically related to a kind of transmission mechanism and its 4D probe.
Background technology
Existing 4D probes transmission mechanism, such as Worm Wheel System, to there is the transmission mechanism in gap.Every transmission for having gap
Mechanism, all not enough accurately it will cause image fault because being driven.Dragline-transmission, although gapless driving can be realized, core pendulum
After dynamic generally more than 90 degree, motor is nonlinear Control, adds the control difficulty of motor, so as to also by that may reduce probe
Accuracy.Other common transmission mechanisms, generally there are movement parts to cause to wear the excessive life-span because there is sliding friction too short, most
Service life can be also influenceed eventually so as to influence the precision requirement of probe, reduce the probe life-span.
The content of the invention
To solve the above problems, proposing a kind of 4D probes, solved by the transmission mechanism of Complete Synchronization and probe is driven
It is required that the problem of accurate.
The present invention provides a kind of transmission mechanism so that motor moves transducer core pendulum in the transmission lower band of the transmission mechanism
Dynamic, the transmission mechanism includes：It is first power transmission shaft, eccentric connector, second driving shaft, sliding sleeve, the 3rd power transmission shaft, at least one
Connector, at least one fixing axle；
Described first power transmission shaft one end connects motor, and the other end connects the eccentric connector；
The eccentric connector includes first, second fixed bit that two horizontal alignments are set, and first fixed bit is consolidated
Surely first power transmission shaft is connected；Second fixed bit is fixedly connected with the second driving shaft；Wherein, first power transmission shaft
Axle center to the axle center of the second driving shaft be the first spacing；
The sliding sleeve is into T-shaped, including longitudinal portion and transverse part, longitudinal portion are set in outside the second driving shaft, institute
Transverse part is stated to be set in outside the 3rd power transmission shaft；
Described 3rd power transmission shaft at least one end is fixedly connected with the connector；
At least one connector includes the three, the 4th fixed bits being set up in parallel vertically, and the 3rd fixed bit is used
In the one end for being fixedly connected with the 3rd power transmission shaft；4th fixed bit is used to rotatably connect the one of the fixing axle
End；Wherein, the axle center of the 3rd power transmission shaft to the axle center of the fixing axle be the second spacing；
The fixing axle transverse horizontal fixed setting；With
First spacing is equal to second spacing.
The present invention also provides a kind of 4D probes, including motor, transducer core, shell, and the 4D probes are also included as above
Described transmission mechanism.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
1st, the T-shaped rolling on second driving shaft is driven due to the first power transmission shaft described in motor driven and then by eccentric connector
Pearl sliding sleeve is moved and rotated along the 3rd power transmission shaft simultaneously, and then drives the transducer core to be swung around fixing axle, due to first
Spacing d2 is equal to the second spacing d1, it is thereby achieved that the Synchronous Transmission of motor and transducer core, high to probe so as to reach
The requirement of precision.
2nd, using gapless (having precompressed) slide bushing assembly with ball, the rolling friction for putting contact solves use for a long time
Wear problem and by commutate when idle running difference be reduced to zero.
Brief description of the drawings
Fig. 1 is the overall structure diagrammatic cross-section of the controlling organization of an embodiment of the present invention；
Fig. 2 is not rotating and rotate by the first half demarcated and lower half of eccentric connector for an embodiment of the present invention
Comparison diagram after certain angle.
Embodiment
Below in conjunction with the Figure of description in the present invention, the technical scheme in invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment one,
One 4D probe generally includes：Shell, motor, transmission mechanism, transducer core.Usual shell be arranged on it is described its
Outside its all parts, play a part of supporting and protect.Described transmission mechanism one end connects transducer core, other end connection electricity
Machine, driven by motor to drive transducer core to swing, in existing technology, due to the limit of transmission mechanism structure in itself
System so that the precision of probe decreases, and in the application of some high precision, does not often reach requirement.
As shown in figure 1, the present invention provides a kind of 4D probes transmission mechanism 1 to solve the above problems.The 4D probes transmission
Mechanism includes：It is first power transmission shaft 11, eccentric connector 12, second driving shaft 13, sliding sleeve 14, the 3rd power transmission shaft 15, at least one
Connector 16, at least one fixing axle 17.
The one end of first power transmission shaft 11 connection motor (not shown), the other end connect the eccentric connector 12.
The eccentric connector 12 includes first, second fixed bit that two horizontal alignments are set, first fixed bit
It is fixedly connected with first power transmission shaft 11；Second fixed bit is fixedly connected with the second driving shaft 13；Wherein, described first
The axle center of power transmission shaft to the axle center of the second driving shaft be the first spacing d2.
The sliding sleeve 14 is into T-shaped, including longitudinal portion 141 and transverse part 142, longitudinal portion 141 are set in described second
Outside power transmission shaft 13, the transverse part 142 is set in outside the 3rd power transmission shaft 15.
3rd power transmission shaft 15 at least one end is fixedly connected with the connector 16.
At least one connector 16 includes the three, the 4th fixed bits being set up in parallel vertically, the 3rd fixed bit
For being fixedly connected with the 3rd power transmission shaft 15；4th fixed bit is used to rotatably connect the one of the fixing axle 17
End；Wherein, the axle center of the 3rd power transmission shaft to the axle center of the fixing axle be the second spacing d1.The connector 16 is also fixed
The transducer core 2 is connected, drives the core 2 of the transducer core to swing by the swing of connector 16.
The transverse horizontal of fixing axle 17 fixed setting.
Because the transverse horizontal of fixing axle 17 is fixedly installed, when the second driving shaft rotates, sliding sleeve longitudinal direction portion is not
The second driving shaft can be followed to rotate, and relatively described second driving shaft can only be slided up and down in the presence of frictional force, and
The transverse part of the sliding sleeve drives the 3rd drive axis by frictional force, and it is described slide in the presence of frictional force around
3rd power transmission shaft horizontally slips.
Hence in so that the connector, the 3rd power transmission shaft, sliding sleeve can only be swung around the fixing axle, and can not follow described
Second driving shaft rotates, and during being rotated in second driving shaft, the sliding sleeve can only be on relatively described second driving shaft
Lower motion.
As shown in Figure 2, the driving force of motor is set to F, can be divided into parallel to the F1 component of the 3rd power transmission shaft 15 and vertical
In the F2 component of the 3rd power transmission shaft 15, wherein the F1 component parallel to the 3rd power transmission shaft 15 is to make slide bushing assembly 14 along the 3rd transmission
The driving force that axle 15 moves, the F2 component perpendicular to the 3rd power transmission shaft 15 are that driving transducer core 2 is swung around fixing axle 17
Effective force, F2=F*cos β.
First spacing is equal to second spacing.
Such as accompanying drawing 2, left hand view is that transducer core 2 is in center zero state, and right part of flg is that transducer core 2 put one
Determine the state of angle, the axis center of the 3rd power transmission shaft 15 (i.e. the oscillation center of transducer core 2) designs with the axis center of the first power transmission shaft 1
In the same plane, L is the front projection distance in the 3rd power transmission shaft axle center and the first power transmission shaft axle center, and d2 is the first transmission shafts
To second driving shaft centre distance, d1 is the 3rd power transmission shaft axle center (i.e. transducer core oscillation center) to the axle of fixing axle 17 at center
The distance of the heart；α is the angle that transducer core 2 put zero-bit state, and β is the angle of the first drive axis, according to upper map analysis
Draw：L=d1*sin α=d2*sin β, as d1=d2, α=β, i.e., the angle that transducer core was put is equal to motor institute directly
The angle that first power transmission shaft of connection turns over.
By the transmission mechanism of said structure, motor is (not shown) to be driven first power transmission shaft 11 and then passes through bias
12 T-shaped sliding sleeves 14 driven on second driving shaft 13 of connection are moved and rotated along the 3rd power transmission shaft 15 simultaneously, and then drive institute
State transducer core 2 to swing around fixing axle 17, because the first spacing d1 is equal to the second spacing d2, it is thereby achieved that motor is with changing
The Synchronous Transmission of energy device core, so as to reach the requirement to high precision of popping one's head in.
In certain embodiments, first power transmission shaft includes：First rotating shaft, shaft coupling, the second rotating shaft.
First rotating shaft one end connection motor other end connection shaft coupling, described second rotating shaft one end connect shaft coupling,
The other end connects the eccentric connector.
It is to reduce the alignment degree of motor shaft and axle on eccentric connector using shaft coupling (because bias is constantly present).
As shown in figure 1, in certain embodiments, the 4th fixed bit of the connector is described solid for rotatably connecting
Dead axle 17 includes：
The groove and through hole axially engaged with the fixation can be included at 4th fixed bit, fixing axle one end can
The shell inner surface of probe is fixed on, the other end is contained in the groove or through hole, and when connector swing, and fixing axle is fixed
When motionless, you can realize the rotatable connection of connector and fixing axle.The specific mode of being rotatably connected belongs to prior art,
It will not be repeated here.
In certain embodiments, first, second, third fixed bit can be through hole or detent, or
Plane or the mark that does in the plane any one.
Preferably when for through hole or groove when, each axle can be arranged in the through hole or groove.
The fixed bit can also be the mark done in plane or plane, and each axle can directly be fixedly connected on fixed bit
Surface or mark, it is not required that must be groove and through hole, as long as the spacing for each axle for ensureing to position thereon meets the requirements
.
As shown in figure 1, in certain embodiments, the sliding sleeve 14 preferably includes ball sliding bush.
Using gapless (having precompressed) slide bushing assembly with ball, the rolling friction for putting contact solves what is used for a long time
Wear problem and by commutate when idle running difference be reduced to zero.
As shown in figure 1, in some embodiments, the connector 16 preferably two, it is separately fixed at the 3rd power transmission shaft
15 both ends, the both ends of the connector 16 are respectively fixedly connected with the both ends of the transducer core 2 again, can so to turn
It is dynamic more stable.And then to coordinate the connector, the fixing axle 17 is also two, and be rotatably connected the connector respectively
16。
Embodiment two,
The present invention also provides a kind of 4D probes, and the probe includes：Shell, motor, transmission mechanism, transducer core.It is logical
Normal shell is arranged on outside other all parts, is played a part of supporting and is protected.Described transmission mechanism one end connects transducing
Device core, other end connection motor, driven by motor to drive transducer core to swing.
The transmission mechanism is the transmission mechanism described in embodiment one, can be with by using the probe of above-mentioned transmission mechanism
Realize the high precision requirement of 4D probes.The transmission mechanism will not be repeated here referring specifically to embodiment one.
It should be noted that above-mentioned be fixedly connected including being removably fixedly connected, being bonded, be preset integral etc..Its
In be removably fixedly connected and may include being detachably connected by what the various prior arts such as screw, buckle were realized.
Herein, such as term " comprising ", "comprising" or its any other variant are intended to the bag of nonexcludability
Contain, so that process, method, article or equipment including a series of elements not only include those key elements, but also including
The other element being not expressly set out, or also include for this process, method, article or the intrinsic key element of equipment.
In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including the key element
Process, method, other identical element also be present in article or equipment.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
A kind of transmission mechanism provided by the present invention and its 4D probes are described in detail above, for this area
Those skilled in the art, according to the thought of the embodiment of the present invention, there will be changes in specific embodiments and applications,
Therefore, this specification content should not be construed as limiting the invention.
Claims (10)
1. a kind of transmission mechanism so that motor moves transducer core in the transmission lower band of the transmission mechanism and swung, and its feature exists
In the transmission mechanism includes：It is first power transmission shaft, eccentric connector, second driving shaft, sliding sleeve, the 3rd power transmission shaft, at least one
Connector, at least one fixing axle；
Described first power transmission shaft one end connects motor, and the other end connects the eccentric connector；
The eccentric connector includes first, second fixed bit that two horizontal alignments are set, and first fixed bit, which is fixed, to be connected
Connect first power transmission shaft；Second fixed bit is fixedly connected with the second driving shaft；Wherein, the axle of first power transmission shaft
The heart to the axle center of the second driving shaft be the first spacing；
The sliding sleeve is into T-shaped, including longitudinal portion and transverse part, longitudinal portion are set in outside the second driving shaft, the horizontal stroke
It is set in portion outside the 3rd power transmission shaft；
Described 3rd power transmission shaft at least one end is fixedly connected with the connector；
At least one connector includes the three, the 4th fixed bits being set up in parallel vertically, and the 3rd fixed bit is used for solid
Surely one end of the 3rd power transmission shaft is connected；4th fixed bit is used for the one end for rotatably connecting the fixing axle；Its
In, the axle center of the 3rd power transmission shaft to the axle center of the fixing axle is the second spacing；
The fixing axle transverse horizontal fixed setting；With
First spacing is equal to second spacing.
2. mechanism according to claim 1, it is characterised in that in the 3rd transmission shafts center and the first transmission shafts
The heart is in the same plane.
3. mechanism according to claim 1 or 2, it is characterised in that first power transmission shaft includes：First rotating shaft, shaft coupling
Device, the second rotating shaft；
First rotating shaft one end connection motor other end connection shaft coupling, described second rotating shaft one end connects shaft coupling, another
End connects the eccentric connector.
4. mechanism according to claim 1 or 2, it is characterised in that first, second, third fixed bit includes through hole, recessed
Any one in groove, plane, the mark that does in the plane.
5. mechanism according to claim 1 or 2, it is characterised in that the horizontal fixed setting of the fixing axle includes passing through institute
The opposite end for stating one end of the 4th fixed bit of rotatable connection is fixedly installed on the inwall of probing shell.
6. mechanism according to claim 1 or 2, it is characterised in that the sliding sleeve includes ball sliding bush.
7. mechanism according to claim 1 or 2, it is characterised in that the connector is two, is separately fixed at described the
The both ends of three power transmission shafts；The fixing axle is two, rotatably connects described two connectors respectively.
8. mechanism according to claim 1 or 2, it is characterised in that the 4th fixed bit is used to rotatably connect institute
Stating fixing axle includes：4th fixed bit, which has, is engaged groove or through hole with the fixing axle, and the fixing axle is rotatable
One end of connection the 4th fixed bit be contained in the groove or through hole.
9. according to claim mechanism according to claim 1 or 2, it is characterised in that described to be fixedly connected including removable
That unloads is fixedly connected, is bonded, be preset integral.
10. a kind of 4D probes, including motor, transducer core, shell, it is characterised in that the 4D probes also include such as right
It is required that the transmission mechanism described in 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918237.2A CN105465308B (en) | 2015-12-10 | 2015-12-10 | A kind of transmission mechanism and its 4D probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918237.2A CN105465308B (en) | 2015-12-10 | 2015-12-10 | A kind of transmission mechanism and its 4D probe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105465308A CN105465308A (en) | 2016-04-06 |
| CN105465308B true CN105465308B (en) | 2017-12-12 |
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ID=55603329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510918237.2A Active CN105465308B (en) | 2015-12-10 | 2015-12-10 | A kind of transmission mechanism and its 4D probe |
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| Country | Link |
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| CN (1) | CN105465308B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091307B (en) * | 2017-05-16 | 2023-11-17 | 深圳开立生物医疗科技股份有限公司 | Transmission mechanism and ultrasonic probe |
| CN107781371B (en) * | 2017-09-21 | 2020-04-10 | 深圳开立生物医疗科技股份有限公司 | Transmission mechanism and probe device |
| CN111053576B (en) * | 2019-12-31 | 2020-08-21 | 绵阳美科电子设备有限责任公司 | Transmission device for enabling ultrasonic three-dimensional probe transducer to rotate in reciprocating mode and application method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201185938Y (en) * | 2008-04-30 | 2009-01-28 | 汕头超声仪器研究所 | Three-dimensional ultrasonic probe for ultrasonic medical equipment |
| CN103356240A (en) * | 2013-06-28 | 2013-10-23 | 深圳嘉瑞电子科技有限公司 | Ultrasound probe |
| CN203483452U (en) * | 2013-08-12 | 2014-03-19 | 深圳市理邦精密仪器股份有限公司 | Mechanical probe used for three-dimensional ultrasonic imaging |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4781841B2 (en) * | 2006-02-21 | 2011-09-28 | 日本電波工業株式会社 | Short-axis ultrasonic transducer |
-
2015
- 2015-12-10 CN CN201510918237.2A patent/CN105465308B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201185938Y (en) * | 2008-04-30 | 2009-01-28 | 汕头超声仪器研究所 | Three-dimensional ultrasonic probe for ultrasonic medical equipment |
| CN103356240A (en) * | 2013-06-28 | 2013-10-23 | 深圳嘉瑞电子科技有限公司 | Ultrasound probe |
| CN203483452U (en) * | 2013-08-12 | 2014-03-19 | 深圳市理邦精密仪器股份有限公司 | Mechanical probe used for three-dimensional ultrasonic imaging |
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| Publication number | Publication date |
|---|---|
| CN105465308A (en) | 2016-04-06 |
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Address after: 518057 Shenzhen Nanshan District, Guangdong Province Patentee after: Biologic medical Science and Technology Co., Ltd. is opened in Shenzhen Address before: 518051 Yizhe Building, Yuquan Road, Nanshan District, Shenzhen City, Guangdong Province, 4th, 5th, 8th, 9th and 10th Floors Patentee before: Biologic medical Science and Technology Co., Ltd. is opened in Shenzhen |