WO2022198449A1 - 检测探头、传动装置及检测仪器 - Google Patents

检测探头、传动装置及检测仪器 Download PDF

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Publication number
WO2022198449A1
WO2022198449A1 PCT/CN2021/082438 CN2021082438W WO2022198449A1 WO 2022198449 A1 WO2022198449 A1 WO 2022198449A1 CN 2021082438 W CN2021082438 W CN 2021082438W WO 2022198449 A1 WO2022198449 A1 WO 2022198449A1
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WO
WIPO (PCT)
Prior art keywords
rope
detection
detection probe
tensioning
driving
Prior art date
Application number
PCT/CN2021/082438
Other languages
English (en)
French (fr)
Inventor
罗华
周丹
马琦
欧阳波
莫建华
Original Assignee
深圳市理邦精密仪器股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市理邦精密仪器股份有限公司 filed Critical 深圳市理邦精密仪器股份有限公司
Priority to EP21932080.1A priority Critical patent/EP4316379A4/en
Priority to CN202180096058.9A priority patent/CN117119965A/zh
Priority to PCT/CN2021/082438 priority patent/WO2022198449A1/zh
Publication of WO2022198449A1 publication Critical patent/WO2022198449A1/zh
Priority to US18/472,263 priority patent/US20240008848A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
    • A61B8/4466—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe involving deflection of the probe
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/225—Supports, positioning or alignment in moving situation
    • G01N29/226—Handheld or portable devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8934—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration
    • G01S15/8938—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions
    • G01S15/894—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions by rotation about a single axis
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/35—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams
    • G10K11/352—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams by moving the transducer
    • G10K11/355—Arcuate movement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02475—Tissue characterisation

Definitions

  • the present application relates to the technical field of medical devices, and in particular, to a detection probe, a transmission device and a detection instrument.
  • Detection probes used for medical detection can send out ultrasonic signals for detection through the sound head assembly, receive ultrasonic signals containing detection information, and obtain detection results through analysis.
  • the sound head assembly can be driven to oscillate to detect different parts.
  • the requirements for the transmission mechanism of the sound head assembly to transmit the driving force are also getting higher and higher.
  • the main technical problem to be solved by the present application is to provide a detection probe, a transmission device and a detection instrument, which can meet the needs of use.
  • a technical solution adopted in the present application is: to provide a detection probe, the detection probe includes a casing, a detection mechanism, a driving mechanism and a rope transmission mechanism, wherein the casing defines an accommodating space ;
  • the detection mechanism is located at one end of the housing for performing detection functions;
  • the drive mechanism is located in the accommodating space for outputting power;
  • the rope transmission mechanism is located in the accommodating space, and It includes a rope and a reversing assembly;
  • the rope is respectively connected to the driving mechanism and the detection mechanism, and is used to receive the power output by the driving mechanism and transmit it to the detection mechanism to drive the detection mechanism to move;
  • the reversing assembly includes two reversing wheel sets arranged along the extension path of the rope, wherein the rope passes around the two reversing wheel sets in turn to change under the action of the two reversing wheel sets drive direction.
  • a transmission device which is applied to a detection probe, the detection probe includes a detection mechanism and a driving mechanism, and the transmission device includes a rope and a reversing assembly;
  • the rope is respectively connected with the driving mechanism and the detection mechanism, and is used for receiving the power output by the driving mechanism and transmitting it to the detection mechanism to drive the detection mechanism to move;
  • Two reversing wheel sets arranged on the extension path, wherein the ropes pass around the two reversing wheel sets in turn, so as to change the transmission direction under the action of the two reversing wheel sets.
  • another technical solution adopted in the present application is to provide a detection instrument, including the detection probe and the host as described above, wherein the host is respectively connected with the detection mechanism and the drive mechanism of the detection probe , to control the drive mechanism to output power and control the detection mechanism to perform the detection function.
  • the rope transmission mechanism of the detection probe of the present application includes a reversing component, and the reversing component is used to change the transmission direction of the rope, thereby driving the detection mechanism by the rope according to the actual situation.
  • the reversing component is used to change the transmission direction of the rope, thereby driving the detection mechanism by the rope according to the actual situation.
  • FIG. 1 is a schematic structural diagram of an embodiment of the testing instrument of the present application.
  • FIG. 2 is a partial structural schematic diagram of an embodiment of the detection probe of the present application.
  • FIG. 3 is a partial structural schematic diagram of another embodiment of the detection probe of the present application.
  • FIG. 4 is a schematic diagram of an explosion structure of a detection mechanism in an embodiment of the detection probe of the present application
  • FIG. 5 is a schematic structural diagram of a transmission mechanism and a driving mechanism in an embodiment of the detection probe of the present application
  • FIG. 6 is a schematic structural diagram of a transmission mechanism and a driving mechanism in another embodiment of the detection probe of the present application.
  • FIG. 7 is a schematic structural diagram of a transmission mechanism and a driving mechanism in another embodiment of the detection probe of the present application.
  • FIG. 8 is a schematic diagram of a partial explosion structure of an embodiment of the detection probe of the present application.
  • FIG. 9 is a schematic diagram of a partial explosion structure of another embodiment of the detection probe of the present application.
  • FIG. 10 is a partial structural schematic diagram of a rope transmission mechanism in an embodiment of the detection probe of the present application.
  • Fig. 11 is a partial structural schematic diagram of a rope transmission mechanism in another embodiment of the detection probe of the present application.
  • FIG. 12 is a partial structural schematic diagram of a cable transmission mechanism in yet another embodiment of the detection probe of the present application.
  • the present application provides a detection apparatus, which can be used to examine the body surface and/or body tissue of a human body to obtain an examination result.
  • the detection instrument can also be used to inspect animal objects, which is not specifically limited here.
  • the detection apparatus may include a detection probe 1000 and a host 2000 .
  • the detection probe 1000 may establish a connection with the host 2000 in a wired or wireless manner, so as to detect the part to be detected of the human body under the control of the host 2000 .
  • the detection probe 1000 can be a 3D mechanical probe, a 4D mechanical probe, etc., that is, an ultrasonic probe with a 3D/4D imaging function. Under the signal control of the host 2000, it transmits ultrasonic signals to human tissue and receives human tissue with The echo signal of the information, the host 2000 images the human tissue by processing the echo signal of the detection probe 1000, thereby constructing a 3D/4D image of the human tissue for medical analysis. For example, the 3D/4D image can be used. Mechanical probes for gynecological examinations, etc.
  • the detection probe 1000 can also be used for other purposes, for example, under the signal control of the host 2000, to send electrical stimulation to human tissue, perform physical massage, etc., which is not limited here.
  • the detection probe 1000 may include a housing 100 , a detection mechanism 200 , a transmission device 300 , a driving mechanism 400 , a tail sleeve assembly 500 , and a mounting assembly 600 .
  • the transmission device 300 can be connected with the driving mechanism 400 and the detection mechanism 200 respectively
  • the host 2000 can be connected with the driving mechanism 400 and the detection mechanism 200 through the tail cover assembly 500, and can control the driving mechanism 400 to operate to drive the transmission device 300 to drive the detection mechanism
  • the mechanism 200 moves, and the detection mechanism 200 can feed back the detected information to the host 2000 for analysis and processing to obtain a detection result.
  • the detection probe 1000 may include more or less structures than the above-mentioned structures, which may be selected according to actual needs, which are not specifically limited here.
  • the housing 100 defines an accommodating space 110, and one end of the housing 100 further has an opening 120 communicating with the accommodating space 110.
  • the accommodating space 110 is used for accommodating at least part of the internal structure of the detection probe 1000, so as to The internal structure provides support and protection.
  • the housing 100 may be an integral structure, or may be formed by assembling a plurality of different parts respectively.
  • the casing 100 may include an extending portion 130 and a handle portion 140 , which are connected to each other to form the casing 100 together.
  • the protruding portion 130 and the hand-held portion 140 may be bonded by adhesive, and a specific connection structure may be provided to perform at least one of snap-fit, snap-fit, etc., which are not specifically limited herein.
  • the extending portion 130 and the hand-held portion 140 correspond to the extending area 111 and the receiving area 112 of the accommodating space 110 , respectively, and the transmission device 300 and the driving mechanism 400 can be respectively accommodated in the extending area 111 and the receiving area 112 , respectively.
  • this embodiment does not strictly limit the corresponding relationship between each area of the accommodating space 110 and each functional mechanism.
  • the transmission device 300 may be partially accommodated in the extension area 111 , and partially accommodated in the extension area 111 . It is accommodated in the accommodating area 112, and can be specifically set according to the actual situation.
  • each part of the housing 100 may be jointly determined according to its own function and the shape, size, function, etc. of the internal structure accommodated in the corresponding region of the accommodating space 110 .
  • the detection probe 1000 in this embodiment can be inserted into the human body cavity to detect the internal tissue of the human body.
  • the detection mechanism 200 is located at the "head", and the operator holds the hand-held part 140 , the detection mechanism 200 is inserted into the body through the extension of the insertion portion 130 to perform the detection function, while the tail cover assembly 500 is located outside the human body, so as to facilitate the function mechanism corresponding to each part to perform the corresponding function.
  • the detection mechanism 200 may include an acoustic window 210 , a transducer element 220 , an assembly seat 230 and a bearing bracket 240 .
  • the transducer element 220 can establish a connection relationship with the host 2000, and according to the control signal sent by the host 2000, send ultrasonic waves to the human body to be tested as a detection signal, and can receive a feedback signal carrying the detection information.
  • the acoustic window 210 can have ultrasonic permeability and is disposed on the periphery of the transducer element 220 , specifically, can be installed at the opening 120 at one end of the housing 100 , and is covered between the transducer element 220 , the mounting seat 230 and the bearing bracket 240 . outside. It should be pointed out that, in practical applications, the coupling fluid used for ultrasonic transmission can be filled between the acoustic window 210 and the transducer element 220, and then, under the cooperation of the transducer element 220, the coupling fluid and the acoustic window 210, ultrasonic waves can be realized. The transmission of the detection signal and the reception of the feedback signal.
  • the assembling seat 230 defines an assembling position 231 , and the assembling position 231 can be used for accommodating the above-mentioned transducer element 220 , and then the transducer element 220 is installed on the assembling seat 230 .
  • the transducer element 220 may be adhered to the mounting position 231 by using glue, such as epoxy glue.
  • two sides of the mounting seat 230 may be respectively defined with mounting grooves 232 , which may be used for mounting some components of the transmission device 300 , so as to realize the connection with the transmission device 300 .
  • the carrier bracket 240 can be used to support the mounting base 230 and further support the transducer element 220 .
  • the bearing bracket 240 may be a ring-shaped bracket, such as a circular ring, a square ring, etc., which may match the shape of the inner side wall of the casing 100 at the opening 120 , and be installed at the opening 120 on the inner wall of the casing 100 . on the inner side wall.
  • the bearing bracket 240 may further include two concave arc bearing platforms 241 , and the concave arc bearing platforms 241 may have a concave arc bearing surface.
  • the assembly seat 230 also has two cylindrical bosses 233 located on both sides respectively, and the cylindrical bosses 233 may have arc side surfaces, which are respectively used to be movably supported on the corresponding concave arc bearing surfaces of the bearing bracket 240 , thereby It can swing under the support of the concave arc bearing platform 241 , and then when the assembly seat 230 is subjected to the force exerted by the transmission device 300 , the transducer element 220 can be driven to swing back and forth in a certain direction.
  • the transmission device 300 may include a gear transmission mechanism 320 , a cable transmission mechanism 330 and the like.
  • the gear rotation mechanism 320 can be connected with the driving mechanism 400 and the cable transmission mechanism 330 respectively, so as to receive the power output by the driving mechanism 400 and transmit it to the cable transmission mechanism 330, and the cable transmission mechanism 330 is further connected with the detection mechanism 200, and in the The received power transmitted by the gear transmission mechanism 320 drives the detection mechanism 200 to move, thereby realizing detection.
  • the transmission device 300 can be installed in the accommodating space 110 through the installation assembly 600 , and specifically can be installed on the inner side wall of the housing 100 .
  • the mounting assembly 600 may include a mounting base 610, a sealing member 620, a support frame 630, a first rotating shaft 640, a second rotating shaft 650, and the like.
  • the first rotating shaft 640 or the second rotating shaft 650 may also be called a support shaft, which is not specifically limited here.
  • the mounting base 610 can be mounted on the housing 100 around the inner side wall of the housing 100, specifically, can be mounted on the end of the protruding portion 130 close to the hand-held portion 140, and can be bonded by adhesive to realize the mounting, or Install by snap connection, interference fit, etc. Further, at least part of the shape of the mounting base 610 can also be matched with the shape of the inner side wall of the housing 100 at the installation place, so that the connection between the mounting base 610 and the inner side wall of the housing 100 is sealed, so that the accommodating space is sealed.
  • the extension area 111 of 110 is separated from the receiving area 112 .
  • the mounting base 610 defines a mounting hole 611 disposed through the mounting base 610 , and the mounting hole 611 can communicate the extending area 111 on both sides of the mounting base 610 with the accommodating area 112 . Further, the sealing member 620 can be installed in the installation hole 611 .
  • the support bracket 630 can be connected and disposed on the side of the installation base 610 facing the cable transmission mechanism 330 , and can extend in a direction perpendicular to and away from the main surface of the installation base 610 .
  • Both the first rotating shaft 640 and the second rotating shaft 650 can be connected to the support frame 630 and are arranged spaced apart from each other. Specifically, both ends of the first rotating shaft 640 and the second rotating shaft 650 are fixedly connected to the support frame, and the two can be arranged parallel to each other, and can be further parallel to the main surface of the installation base 610 . There is no specific limitation here.
  • the mounting base 610, the support frame 630, the first rotating shaft 640 and the second rotating shaft 650 can be independent structures, and can be connected together by bonding, clamping, screwing, plugging, etc.; or the mounting base All or part of the 610 , the support frame 630 , the first rotating shaft 640 and the second rotating shaft 650 may also have an integrated structure, which is not limited here.
  • both the gear transmission mechanism 320 and the cable transmission mechanism 330 can be mounted on the inner side wall of the housing 100 through the mounting assembly 600 on the side of the extension area 111 .
  • the gear transmission mechanism 320 may have various forms, as long as the power output by the driving mechanism 400 can be transmitted to the rope transmission mechanism 330 .
  • the gear transmission mechanism 320 may include a driving shaft 321a, a driving gear 322a, a driven gear 323a, a driven shaft 324a, a first bearing 325a, a coupling Shaft 326a, etc.
  • One end of the driving shaft 321a is located in the extension area 111, and the other end enters the accommodating area 112 through the mounting hole 611 of the mounting base 610, and is connected with the coupling 326a, so as to communicate with the output of the driving mechanism 400 through the coupling 326a
  • the ends are connected so that the driving mechanism 400 can drive the driving shaft 321a to rotate.
  • the first bearing 325a can be sleeved on the periphery of the driving shaft 321a and installed in the mounting hole 611 to support the rotation of the driving shaft 321a.
  • the sealing member 340 can be an oil seal, such as a skeleton oil seal, etc., and can also be sleeved on the periphery of the driving shaft 321a and installed in the installation hole 611 for sealing the installation hole 611, thereby further connecting the extension area 111 with the accommodation. Zones 112 are separated.
  • the driving gear 322a is installed at one end of the driving shaft 321a located in the extension area 111, and is driven by the driving mechanism 400 to rotate synchronously with the driving shaft 321a. It should be pointed out that the driving gear 322a and the driving shaft 321a can be independent structures respectively, and then connected together in a certain way; the two can also have an integrated structure, that is, the driving shaft 321a and the driving gear 322a together are a gear shaft, The specific selection can be made according to the actual situation.
  • the driven gear 323a meshes with the driving gear 322a and rotates with the driving gear 322a.
  • the driving gear 322a and the driven gear 323a may be axially parallel cylindrical gears.
  • the driving gear 322a and the driven gear 323a with suitable numbers of teeth can be selected according to the requirements.
  • the number of teeth of the driven gear 323a can be greater than the number of teeth of the driving gear 322a, so as to realize the deceleration movement through gear transmission, so that the transmitted
  • the power is amplified to increase the torque that drives the transducer element 220 to swing.
  • the above-mentioned setting of the gear transmission mechanism 320 can also increase the drive transducer element without increasing the volume and weight of the drive mechanism 400 . 220 swing torque, thereby improving the portability of the detection probe 1000.
  • the driven shaft 324a is respectively connected with the driven gear 323a and the input end of the rope transmission mechanism 330, so as to rotate synchronously with the driven gear 323a, and make the input end of the rope transmission mechanism 330 move under the driving of the driven shaft 324a .
  • the mounting assembly 600 may also include a mounting shaft 660 .
  • the installation shaft 660 can be connected to the side of the installation base 610 facing the gear transmission mechanism 320 , and can extend in a direction perpendicular to and away from the main surface of the installation base 610 , and can be spaced from the support frame 630 and arranged on the installation base on the same side of seat 610.
  • the driven shaft 324a can be a hollow shaft, inserted into the center of the driven gear 323a, and sleeved on the periphery of the mounting shaft 660 to rotate around the mounting shaft 660 driven by the driven gear 323a.
  • the gear transmission mechanism 320 may adopt the form of planetary gear transmission.
  • the gear transmission mechanism 320 may include a sun gear 321b, a ring gear 322b, a plurality of planet gears 323b, a planet carrier 324b, a second bearing 325b, and the like.
  • the output end of the driving mechanism 400 passes through the mounting hole 611 of the mounting base 610 from the accommodating area 112 and enters the extending area 111 to be connected to the sun gear 321b and act as the rotation axis of the sun gear 321b to drive the sun gear 321b to rotate.
  • the second bearing 325b can be sleeved on the periphery of the output end of the driving mechanism 400 and installed in the mounting hole 611 to support the output end of the driving mechanism 400 to rotate.
  • the sealing member 620 can be an oil seal, such as a skeleton oil seal, etc., and can also be sleeved on the periphery of the output end of the driving mechanism 400 and installed in the installation hole 611 for sealing the installation hole 611, so as to further seal the extension area 111 with the output end.
  • the accommodation areas 112 are separated.
  • the ring gear 322b can be mounted on the mounting base 610, is sleeved on the periphery of the sun gear 321b, and is coaxial with the sun gear 321b and arranged at intervals.
  • the number and size of teeth of the ring gear 322b can be set according to actual needs.
  • the number of the planetary gears 323b can also be set according to actual requirements.
  • the number of the planetary gears 323b can be three.
  • the three planetary gears 323b are arranged between the sun gear 321b and the ring gear 322b at intervals. One side of each planetary gear 323b is meshed with the sun gear 321b, and the other side is meshed with the inner side of the ring gear 322b to rotate with the sun gear 321b within the ring gear 322b.
  • the planet carrier 324b can be connected to the side of each planetary gear 323b away from the mounting base 610, and is driven by the planetary gear 323b to rotate coaxially with the sun gear 321b.
  • the planet carrier 324b can be further connected to the input end of the rope transmission mechanism 330, and then output the power received by the sun gear 321b to the input end of the rope transmission mechanism 330, so as to drive the input end of the rope transmission mechanism 330 to move.
  • both the driving gear 322a and the driven gear 323a can be cylindrical gears, and the power transmission reliability is high and the transmission efficiency is high (up to 0.99 or more) , Long gear life, simple structure, compact, simple operation and maintenance.
  • the second planetary transmission mode the structure is compact, the volume is small, the weight is light, the transmission ratio is large, the coaxiality is good, and the transmission efficiency is high.
  • any one of the methods may be selected according to requirements, or a combination of the two methods may also be adopted, which is not limited here.
  • the rope transmission mechanism 330 may include a rope pulley 331 , a rope 332 , a reversing assembly 333 , a tensioning assembly 334 , a stabilizing wheel set 335 and the like.
  • the rope pulley 331 can be connected to the output end of the above-mentioned gear transmission mechanism 320 and rotate with the output end of the gear transmission mechanism 320 . It is connected to the mounting seat 230 of the detection mechanism 200 , thereby driving the transducer 220 mounted on the mounting seat 230 to swing.
  • both ends of the rope 332 are respectively installed in the corresponding assembling grooves 232 of the assembling seat 230 .
  • the periphery of the sheave 331 can also define a guide groove 3311 which surrounds the periphery of the sheave 331 and is recessed.
  • the rope 332 can be wound around the guide groove 3311 , so as to keep moving synchronously with the rope pulley 331 .
  • the driven shaft 324a is used as the output end of the gear transmission mechanism 320, and the rope pulley 331 can be sleeved on the periphery of the driven shaft 324a, and rotate synchronously.
  • the driven shaft 324 a serves as both the driven shaft of the driven gear 323 a and the driving shaft of the sheave 331 .
  • the sheave 331 is integrally connected to one end of the driven shaft 324a, and the driven shaft 324a and the driven gear 323a are separately connected and provided.
  • the driven shaft 324a may also be integrally provided with the driven gear 323a, and separately connected with the sheave 331, which is not specifically limited here.
  • the planet carrier 324b is used as the output end of the gear transmission mechanism 320 and is connected to the sheave 331, specifically, it can be connected to the central part of the sheave 331 to The pulley 331 is driven to rotate synchronously and coaxially.
  • the sheave 331 can be connected to an end of the planetary carrier 324b away from the planetary wheel 323b, and has an integral structure with the planetary carrier 324b.
  • the two may also be separate structures, which are not limited here.
  • the reciprocating swing of the transducer element 220 is driven by the drive mechanism 400 .
  • the driving direction of the output end of the drive mechanism 400 is different from that of the transducer element 220 .
  • the desired swing direction is not consistent. Therefore, the transmission device 300 can be designed so that the transmission direction of the power changes during the transmission process, so that the transmission direction of the output end of the cable transmission mechanism 350 is consistent with the swing direction required by the transducer element 220 .
  • the structure for changing the transmission direction may be provided in the gear transmission mechanism 340 , or in the cable transmission mechanism 350 , or in both the gear transmission mechanism 340 and the cable transmission mechanism 350 .
  • the reversing component 333 can be disposed between the sheave 331 and the detection mechanism 200 along the extension path of the rope 332.
  • the transmission direction of the rope 332 is changed, so that the connection and assembly of the rope 332 is performed.
  • the transmission direction of both ends of the seat 230 is consistent with the movement direction required by the detection mechanism 200 .
  • the reversing assembly 333 may include a first reversing wheel group consisting of two first reversing wheels 3331 and a second reversing wheel group consisting of two second reversing wheels 3332 .
  • the two first reversing wheels 3331 can be respectively rotatably sleeved on the periphery of the first rotating shaft 640 and spaced from each other
  • the two second reversing wheels 3332 can be rotatably sleeved on the periphery of the second rotating shaft 650 respectively, and spaced from each other.
  • the reversing wheel assembly 333 may further include more reversing wheel groups, such as three groups, four groups, five groups, etc., which can be selected according to actual needs, which is not limited here.
  • the two sides of the rope 332 are respectively alternately wound around the periphery of the corresponding first reversing wheel 3331 and the second reversing wheel 3332 on the extending path, and are arranged on the outer periphery of the first reversing wheel 3331 and the second reversing wheel 3331 and the second reversing wheel respectively. Under the action of 3332, the transmission direction is changed.
  • the tensioning component 334 can be disposed between the rope pulley 331 and the detection mechanism 200 along the extending path of the rope 332 , and can specifically apply force to the rope 332 between the two reversing pulley sets to make the rope 332 in tension. state, so that the rope transmission mechanism 330 drives the transducer element 220 to swing smoothly, thereby enabling the detection probe 1000 to perform stable scanning and detection, so as to improve the accuracy of the detection result.
  • the tensioning assembly 334 may include a tensioning adjusting seat 3341 , a tensioning wheel 3343 and a force applying member 3344 .
  • the tension adjusting seat 3341 can be rotatably sleeved on the periphery of the first rotating shaft 640, so that when the tension adjusting seat 3341 is under force, it can rotate around the first rotating shaft 640 for adjustment, so that the tension adjusting seat 3341 is in a balanced state.
  • the tension adjusting seat 3341 can be sleeved on the periphery of the first rotating shaft 640 between the two first reversing wheels 3331 , as shown in FIG. 10 , or can be sleeved on both sides of the two first reversing wheels 3331 It is arranged on the periphery of the first rotating shaft 640, as shown in FIG. 11, and is not limited here.
  • the number of the tensioning pulleys 3343 may be one or more.
  • the shape of the tensioning wheel 3343 can be a long column, and two axially arranged accommodating grooves are formed around the tensioning wheel 3343 on the surface, and the two sides of the rope 332 can be respectively It is wound around the corresponding accommodating groove and around the periphery of the tensioning wheel 3343 .
  • the number of the tensioning pulleys 3343 is two, the surfaces of the two tensioning pulleys 3343 are respectively formed with a receiving groove arranged around the corresponding tensioning pulleys 3343, and the two sides of the rope 332 can be respectively wound around the corresponding tensioning pulleys 3343. It is wound around the periphery of the corresponding tensioning pulley 3343 in the accommodating groove.
  • the two tensioning wheels 3343 can be spaced apart from each other, and are rotatably connected with the tensioning adjusting seat 3341 .
  • the force-applying member 3344 can be used to apply a tension-adjusting force to the tension-adjusting seat 3341, so that the tension-adjusting seat 3341 rotates around the first rotation axis 640, and applies force to the rope 332 through the two tensioning pulleys 3343, so that the rope 332 is in the tensioned state.
  • the two ends of the rope 332 can be further wound around the periphery of the corresponding first reversing pulley 3331, tensioning pulley 3343 and second reversing pulley 3332 in sequence, and then connected to Transducing element 220 .
  • the transmission direction is changed by the first reversing wheel 3331 and the second reversing wheel 3332 to meet the demand; proceed smoothly.
  • the specific structure of the tensioning assembly 334 may have various forms, as long as the rope 332 can be in a tensioned state.
  • the tensioning adjusting seat 3341 may include a first adjusting arm 33411 , a second adjusting arm 33412 , a tensioning wheel rotating shaft 33413 and a connecting rod 33414 .
  • first adjusting arm 33411 and the second adjusting arm 33412 can be cross-connected to each other, for example, can be arranged in a "V"-like shape.
  • the tensioning adjusting seat 3341 can be rotatably connected to the first rotating shaft 640 at the connection between the first adjusting arm 33411 and the second adjusting arm 33412 , and specifically, the connection is rotatably sleeved on the periphery of the first rotating shaft 640 .
  • the tensioning wheel shaft 33413 can be connected to the end of the first adjusting arm 33411 away from the second adjusting arm 33412, wherein the two tensioning wheels 3343 can be respectively rotatably sleeved on the tensioning wheel shaft 33413, and are spaced apart from each other .
  • the mounting assembly 600 may further include a fixing rod 670 fixedly connected with the supporting member 630 .
  • the fixing rod 670 can be parallel to and spaced from the first rotating shaft 640 and the second rotating shaft 650 .
  • the force-applying member 3344 can be two tensile elastic members, one end of which is connected to the fixing rod 670 and the other end is connected to the connecting rod 33414 to apply a tensioning force to the connecting rod 33414, so that the tensioning adjustment seat 3341 Rotating around the first rotating shaft 640 , the two tensioning pulleys 3343 make the ropes 332 in a tensioned state by adaptively rotating around the rotating shafts 33413 of the tensioning pulleys and applying force to the ropes 332 .
  • both ends of each tensile elastic member can be respectively hooked to the fixing rod 670 and the connecting rod 33414 by hooking.
  • both of the two tension elastic members may be tension springs.
  • the tensioning adjusting seat 3341 may include a rotating arm 33415 and a tensioning wheel rotating shaft 33416 .
  • One end of the rotating arm 33415 is rotatably connected with the first rotating shaft 640 , and the other end is connected with the tensioning wheel rotating shaft 33416 , so that the tensioning wheel rotating shaft 33416 is spaced from the first rotating shaft 640 .
  • the two tensioning wheels 3343 are respectively rotatably sleeved on the tensioning wheel rotating shaft 33416 .
  • the installation assembly 600 further includes a support member 680 connected to the installation base 610 .
  • the force-applying member 3344 may be a torsional elastic member, and includes a torsional elastic portion 33441 , a first support end 33442 and a second support end 33443 .
  • the torsional elastic portion 33441 can be sleeved on the periphery of the first rotating shaft 640 .
  • the first support end 33442 can be connected to one side of the torsion spring portion 33441 and abutted on the support member 680 .
  • the second supporting end 33443 can be connected to the other side of the torsion spring portion 33441 and abut on the tensioning wheel shaft 33416, so as to apply a tensioning force to the tensioner shaft 33416 under the elastic force of the torsion spring portion 33441 , so that the tensioning seat 3341 rotates around the first rotating shaft 640 , and the two tensioning pulleys 3343 can make the rope 332 in a tensioned state by adaptively rotating around the rotating shaft 33416 of the tensioning pulley and applying force to the rope 332 .
  • the components of the tensioning seat 3341 in the above embodiments may be independent structures and connected together by a specific connection method; or may also be an integral structure, which is not specifically limited here.
  • the stabilizing wheel set 335 may be disposed between the sheave 331 and the reversing assembly 333 along the extending path of the rope 332 , and may include two stabilizing wheels 3351 .
  • the two stabilizing pulleys 3351 may be arranged at intervals, and the transmission direction may be consistent with the transmission direction of the sheave 331 . Specifically, after the rope 332 goes around the sheave 331 , the two sides of the rope 332 can be respectively wound around the outer periphery of the corresponding stabilizing sheave 3351 between the two stabilizing sheaves 3351 .
  • the stabilizing wheel set 335 can play a certain supporting role for the rope 332 on the transmission path of the rope 332, thereby making the transmission of the rope 332 more stable and improving the accuracy of the detection result.
  • the transmission device 300 is not limited to the aforementioned structure.
  • the installation base 610 , the support bracket, etc. in the installation assembly 600 may also be used as a part of the transmission device 300 .
  • the transmission device 300 may not include the coupling 360 or the like, which may be set according to the actual situation, which is not specifically limited here.
  • the mounting assembly 600 may further include a mounting bracket 690 .
  • the mounting bracket 690 can be mounted on a side of the mounting base 610 away from the support frame 630 .
  • the driving mechanism 400 can be mounted on the mounting bracket 630 .
  • the driving mechanism 400 may be a motor, specifically a stepping motor.
  • the driving mechanism 400 may output power to the gear transmission mechanism 320 through the output end.
  • the tail cover assembly 500 may include a circuit structure for the detection probe 1000 to work, and the host 2000 may specifically be connected to the detection mechanism 200 of the detection probe 1000 through the connection with the circuit in the tail cover assembly 500 , the driving mechanism 400, etc. to establish connections, thereby realizing signal control and transmission of power and data.

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Abstract

一种检测探头(1000)、传动装置(300)及检测仪器，其中，检测探头(1000)包括壳体(100)、检测机构(200)、驱动机构(400)及绳索传动机构(330)，其中，壳体(100)定义有一容置空间(110)；检测机构(200)位于壳体(100)的一端，用于执行检测功能；驱动机构(400)位于容置空间(110)内，用于输出动力；绳索传动机构(330)位于容置空间(110)内，并包括绳索(332)及换向组件(333)；绳索(332)分别连接驱动机构(400)及检测机构(200)，用于接收驱动机构(400)输出的动力，并传送至检测机构(200)，以带动检测机构(200)运动；换向组件(333)包括沿绳索(332)的延伸路径设置的两个换向轮组，其中，绳索(332)依次绕过两个换向轮组，以在两个换向轮组的作用下改变传动方向。检测探头(1000)、传动装置(300)及检测仪器能够满足使用需求。

Description

检测探头、传动装置及检测仪器 【技术领域】
本申请涉及医疗器械技术领域，特别是涉及一种检测探头、传动装置及检测仪器。
【背景技术】
用于进行医疗检测的检测探头，如超声波探头，能够通过声头组件发出用于检测的超声波信号，并接收包含有检测信息的超声波信号，并通过分析得出检测结果。
在实际应用中，为了提高检测结果的准确性、全面性，可以通过驱动声头组件进行摆动，以对不同部位进行检测，然而，受检测探头的结构空间限制等因素的影响，对于用于向声头组件传递驱动力的传动机构的要求也越来越高。
【发明内容】
本申请主要解决的技术问题是提供一种检测探头、传动装置及检测仪器，能够满足使用需求。
为解决上述技术问题，本申请采用的一个技术方案是：提供一种检测探头，所述检测探头包括壳体、检测机构、驱动机构及绳索传动机构，其中，所述壳体定义有一容置空间；所述检测机构位于所述壳体的一端，用于执行检测功能；所述驱动机构位于所述容置空间内，用于输出动力；所述绳索传动机构位于所述容置空间内，并包括绳索及换向组件；所述绳索分别连接所述驱动机构及检测机构，用于接收所述驱动机构输出的动力，并传送至所述检测机构，以带动所述检测机构运动；所述换向组件包括沿所述绳索的延伸路径设置的两个换向轮组，其中，所述绳索依次绕过两个所述换向轮组，以在两个所述换向轮组的作用下改变传动方向。
为解决上述技术问题，本申请采用的另一个技术方案是：提供一种传动装置，应用于检测探头，所述检测探头包括检测机构及驱动机构，所述传动装置包括绳索及换向组件；所述绳索分别连接所述驱动机构及检测机构，用于接收所述驱动机构输出的动力，并传送至所述检测机构，以带动所述检测机构运动；所述换向组件包括沿所述绳索的延伸路径设置的两个换向轮组，其中，所述绳索依次绕过两个所述换向轮组，以在两个所述换向轮组的作用下改变传动方向。
为解决上述技术问题，本申请采用的另一个技术方案是：提供一种检测仪器，包括如上所述的检测探头及主机，其中，所述主机分别与所述检测探头的检测机构及驱动机构连接，以控制所述驱动机构输出动力，以及控制所述检测机构执行检测功能。
本申请的有益效果是：区别于现有技术的情况，本申请检测探头的绳索传动机构包括换向组件，该换向组件用于对绳索的传动方向进行改变，进而为绳索带动检测机构按照实际需求的方向进行运动提供技术支持，以满足使用需求。
【附图说明】
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
其中：
图1是本申请检测仪器一实施方式的结构示意图；
图2是本申请检测探头一实施方式的部分结构示意图；
图3是本申请检测探头另一实施方式的部分结构示意图；
图4是本申请检测探头一实施方式中检测机构的爆炸结构示意图；
图5是本申请检测探头一实施方式中传动机构及驱动机构的结构示意图；
图6是本申请检测探头另一实施方式中传动机构及驱动机构的结构示意图；
图7是本申请检测探头又一实施方式中传动机构及驱动机构的结构示意图；
图8是本申请检测探头一实施方式的部分爆炸结构示意图；
图9是本申请检测探头另一实施方式的部分爆炸结构示意图；
图10是本申请检测探头一实施方式中绳索传动机构的部分结构示意图；
图11是本申请检测探头另一实施方式中绳索传动机构的部分结构示意图；
图12是本申请检测探头又一实施方式中绳索传动机构的部分结构示意图。
【具体实施方式】
为了使本申请的发明目的、技术方案及其技术效果更加清晰，以下结合附图和具体实施方式，对本申请进一步详细说明。应当理解的是，本说明书中描述的具体实施方式仅仅是为了解释本申请，并非为了限定本申请。在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
本申请提供一种检测仪器，该检测仪器可以用于对人体体表和/或体内组织进行检查，以得出检查结果。当然，在一些应用场景中，该检测仪器也可以用于对动物体进行检查，此处不做具体限定。
请参阅图1，在一实施方式中，该检测仪器可包括检测探头1000及主机2000。其中，检测探头1000可通过有线或者无线的方式与主机2000建立连接，从而在主机2000的控制下对人体的待检测部位进行检测。
具体地，该检测探头1000可以为3D机械探头、4D机械探头等，即具有3D/4D成像功能的超声波探头，在主机2000的信号控制下，向人体组织发射超声波信号，并接收带有人体组织信息的回波信号，主机2000通过处理检测探头1000的回波信号而对人体组织进行成像，从而构建出人体组织的3D/4D图像，以用于进行医疗分析，例如，可利用该3D/4D机械探头进行妇科检查等。
当然，该检测探头1000还可以用作其它，例如在主机2000的信号控制下，向人体组织发出电刺激、进行物理按摩等，此处不做限定。
在一实施方式中，请一并参阅图2和图3，检测探头1000可包括壳体100、检测机构200、传动装置300、驱动机构400、尾套组件500以及安装组件600等。其中，传动装置300可分别与驱动机构400及检测机构200连接，主机2000可通过尾套组件500与驱动机构400及检测机构200连接，并可控制驱动机构400进行运转以驱动传动装置300带动检测机构200进行运动，检测机构200可将所检测到的信息反馈至主机2000以进行分析处理而得出检测结果。
当然，在其它实施方式中，检测探头1000所包括的结构可多于或少于上述结构，具体可根据实际需求进行选择，此处不做具体限定。
具体地，壳体100定义有一容置空间110，且壳体100的一端还具有与容置空间110连通的开口120，该容置空间110用于容置检测探头1000的至少部分内部结构，以为内部结构提供支撑、保护。
其中，壳体100可以为一体结构，也可以由多个不同的部分分别组装形成。本实施方式中，壳体100可包括伸入部130及手持部140，二者互相连接而共同构成该壳体100。具体地，伸入部130与手持部140之间可通过粘胶进行粘接、设置具体的连接结构进行卡接、扣合等中的至少一种，此处不做具体限定。
相应地，伸入部130、手持部140分别对应于容置空间110的延伸区111、容纳区112，而传动装置300、驱动机构400则可分别对应容置于延伸区111、容纳区112内。需要指出的是，本实施方式中并不严格限定容置空间110各个区域与各个功能机构之间的对应关系，例如在一些应用场景中，传动装置300可部分容置于延伸区111，而部分容置于容纳区112，具体可根据实际情况进行 设置。
进一步地，壳体100的各个部分的形状、尺寸等可根据自身的功能、所对应的容置空间110的区域所容置的内部结构的形状、尺寸、功能等共同确定。
需要说明的是，本实施方式中的检测探头1000可伸入至人体腔内，以对人体内部组织进行检测，在实际工作时，检测机构200位于“头部”，操作人员握持手持部140，通过伸入部130的延伸而将检测机构200伸入至体内以执行检测功能，而尾套组件500则位于人体之外，从而便于各部分所对应的功能机构执行相应的功能。
具体地，请一并参阅图4，检测机构200可包括声窗210、换能元件220、装配座230及承载支架240。
其中，换能元件220可与主机2000之间建立连接关系，并根据主机2000发出的控制信号，向人体的待测组织发出超声波作为检测信号，并能够接收携带有检测信息的反馈信号。
声窗210可具有超声波透过性，并设置于换能元件220的外围，具体可安装于壳体100一端的开口120处，并包覆于换能元件220、装配座230及承载支架240之外。需要指出的是，在实际应用中，声窗210与换能元件220之间可充满用于超声波传输的耦合液，进而在换能元件220、耦合液及声窗210的配合之下，实现超声波检测信号的发射以及反馈信号的接收。
装配座230定义有一装配位231，该装配位231可用于容纳上述换能元件220，进而将换能元件220安装在装配座230上。具体地，可利用粘胶，例如环氧胶等，将换能元件220粘接在装配位231上。另外，该装配座230的两侧可分别定义有装配槽232，具体可用于安装传动装置300的部分部件，从而实现与传动装置300的连接。
承载支架240可用于支撑装配座230，进而支撑换能元件220。具体地，承载支架240可以为一环形支架，例如圆环形、方环形等，具体可与壳体100在开口120处的内侧壁的形状匹配，并于该开口120处安装在壳体100的内侧壁上。
其中，该承载支架240还可包括两个凹弧承载台241，该凹弧承载台241可具有凹弧承载面。进一步地，装配座230还具有两个分别位于两侧的柱状凸台233，该柱状凸台233可具有圆弧侧面，分别用于活动支撑于承载支架240的对应的凹弧承载面上，从而能够在凹弧承载台241的支撑下进行摆动，进而在装配座230受到传动装置300施加的作用力时，可带动换能元件220沿一定方向进行往复摆动。
进一步地，请一并参阅图3、图5-11，传动装置300可包括齿轮传动机构320、绳索传动机构330等。
具体地，齿轮转动机构320可分别与驱动机构400及绳索传动机构330连接，以接收驱动机构400输出的动力，并传递至绳索传动机构330，绳索传动机构330进一步与检测机构200连接，并在接收到的齿轮传动机构320所传递的动力时带动检测机构200运动，从而实现检测。
其中，传动装置300可通过安装组件600安装于容置空间110内，具体可安装于壳体100的内侧壁上。具体地，安装组件600可包括安装基座610、密封件620、支撑架630、第一转轴640、第二转轴650等。在一些应用场景中，第一转轴640或第二转轴650也可叫做支撑轴，此处不做具体限定。
其中，安装基座610可环绕壳体100的内侧壁安装于壳体100上，具体可安装于伸入部130的靠近手持部140的一端，并可通过粘胶进行粘接以实现安装，或者通过卡接、过盈配合等方式进行安装。进一步地，该安装基座610的至少部分外形还可与安装处的壳体100的内侧壁的形状匹配，使得安装基座610与壳体100的内侧壁连接处密封设置，从而将容置空间110的延伸区111与容纳区112分隔开。
进一步地，安装基座610定义有贯穿该安装基座610设置的安装孔611，该安装孔611可将位于安装基座610两侧的延伸区111与容纳区112连通。进一步地，密封件620可安装于该安装孔611内。
支撑架630可连接设置于安装基座610的朝向绳索传动机构330的一侧，并可朝垂直且远离安装基座610的主表面的方向延伸。
第一转轴640和第二转轴650均可连接设置于支撑架630上，且互相间隔设置。具体地，第一转轴640和第二转轴650的两端均与支撑架固定连接，且二者可互相平行设置，并可进一步与安装基座610的主表面平行。此处不做具体限定。
其中，安装基座610、支撑架630、第一转轴640及第二转轴650可分别为独立结构，并可通过粘接、卡接、螺接、插接等方式连接在一起；或者安装基座610、支撑架630、第一转轴640及第二转轴650全部或部分还可以为一体结构，此处不做限定。
进一步地，齿轮传动机构320和绳索传动机构330均可于延伸区111一侧通过安装组件600安装于壳体100的内侧壁上。
其中，齿轮传动机构320可以有多种形式，只要能够将驱动机构400输出的动力传送至绳索传动机构330即可。
在一实施方式中，请进一步一并参阅图3、图5和图8，齿轮传动机构320可包括主动轴321a、主动齿轮322a、从动齿轮323a、从动轴324a、第一轴承325a、联轴器326a等。
其中，主动轴321a的一端位于延伸区111，另一端穿过安装基座610的安装孔611而进入容纳区112，并与联轴器326a连接，从而通过联轴器326a与驱动机构400的输出端连接，以使得驱动机构400能够驱动该主动轴321a转动。
进一步地，第一轴承325a可套设于主动轴321a的外围，并安装于安装孔611内，以支撑主动轴321a的转动。密封件340可以为油封，具体如骨架油封等，也可套设在主动轴321a的为外围，并安装在安装孔611内，用于对安装孔611进行密封，从而进一步将延伸区111与容纳区112分隔开。
主动齿轮322a安装在主动轴321a的位于延伸区111的一端，并在驱动机构400的驱动下与主动轴321a同步转动。需要指出的是，主动齿轮322a与主动轴321a可以分别为独立结构，进而通过一定的方式连接在一起；二者也可以为一体结构，即该主动轴321a与主动齿轮322a共同为一齿轮轴，具体可根据实际情况进行选择。
从动齿轮323a与主动齿轮322a啮合，并随主动齿轮322a转动。其中，主动齿轮322a和从动齿轮323a可以为轴向平行的圆柱齿轮。在实际应用中，可以根据需求选择具有合适齿数的主动齿轮322a和从动齿轮323a，例如从动齿轮323a的齿数可大于主动齿轮322a的齿数，从而通过齿轮传动以实现减速运动，进而使得所传递的动力得到放大，以增大驱动换能元件220摆动的扭矩。另外，由于输出扭矩越大的驱动机构400，往往体积、重量越大，因此，上述齿轮传动机构320的设置还能够在不增大驱动机构400的体积及重量的情况下增大驱动换能元件220摆动的扭矩，从而提高检测探头1000的便携性。
进一步地，从动轴324a分别与从动齿轮323a及绳索传动机构330的输入端连接，以与从动齿轮323a同步转动，并使得绳索传动机构330的输入端在从动轴324a的带动下运动。
进一步地，安装组件600还可包括安装轴660。该安装轴660可连接设置于安装基座610的朝向齿轮传动机构320的一侧，并可朝垂直且远离安装基座610的主表面的方向延伸，且可与支撑架630间隔设置于安装基座610的同一侧。
具体地，从动轴324a可以为以空心轴，插接于从动齿轮323a的中心部，并套设于安装轴660的外围，以在从动齿轮323a的带动下绕安装轴660转动。
在另一实施方式中，请进一步一并参阅图3、图6和图9，齿轮传动机构320可以采用行星齿轮传动的形式。具体地，齿轮传动机构320可包括太阳轮321b、 齿圈322b、多个行星轮323b、行星架324b及第二轴承325b等。
驱动机构400的输出端自容纳区112穿过安装基座610的安装孔611而进入延伸区111而与太阳轮321b连接，并作为太阳轮321b的转轴以带动该太阳轮321b转动。第二轴承325b可套设于驱动机构400的输出端的外围，并安装于安装孔611内，以支撑该驱动机构400的输出端转动。密封件620可以为油封，具体如骨架油封等，也可套设在驱动机构400的输出端的外围，并安装在安装孔611内，用于对安装孔611进行密封，从而进一步将延伸区111与容纳区112分隔开。
齿圈322b可安装于安装基座610上，套设于太阳轮321b外围，并与太阳轮321b同轴且间隔设置。其中，齿圈322b的齿数和尺寸可根据实际需求进行设定。
行星轮323b的数量也可根据实际需求设置，本实施方式中，行星轮323b的数量可以为三个。其中，三个行星轮323b互相间隔设置于太阳轮321b与齿圈322b之间。每个行星轮323b的一侧与太阳轮321b啮合，另一侧与齿圈322b内侧啮合，以随太阳轮321b而在齿圈322b内转动。
行星架324b可连接于各行星轮323b的远离安装基座610的一侧，并在行星轮323b的带动下与太阳轮321b同轴转动。其中，行星架324b可进一步与绳索传动机构330的输入端连接，进而将太阳轮321b接收到的动力输出至绳索传动机构330的输入端，以带动绳索传动机构330的输入端运动。
其中，对于上述齿轮传动机构320的两种实施方式，第一种方式中，主动齿轮322a与从动齿轮323a均可为圆柱齿轮，动力的传动可靠性高、传动效率高(可达0.99以上)、齿轮寿命长、结构简单、紧凑、运转维护简单。而对于第二种行星传动的方式，结构紧凑、体积小、重量轻、传动比大、同轴性好且传动效率高。在实际应用中，可以根据需求选用其中的任一种方式，或者还可以采用两种方式组合的形式，此处不做限定。
进一步地，请进一步参阅图5-6和图10-11，绳索传动机构330可包括绳轮331、绳索332、换向组件333、张紧组件334及稳定轮组335等。
其中，绳轮331可与上述齿轮传动机构320的输出端连接，并随齿轮传动机构320的输出端转动，绳索332绕设于绳轮331的外围，并经换向组件333及张紧组件334而与检测机构200的安装座230连接，进而带动安装在安装座230上的换能件220进行摆动。
具体地，绳索332的两端分别安装于装配座230的对应的装配槽232内。
另外，绳轮331的外围还可定义环绕绳轮331的外围且凹陷设置的导向槽 3311。绳索332可绕设于该导向槽3311内，从而能够与绳轮331保持同步运动。
进一步地，对于上述齿轮传动机构320的第一种方式，如图5、8所示，从动轴324a作为齿轮传动机构320的输出端，绳轮331可套设于从动轴324a的外围，并随之同步转动。本实施方式中，从动轴324a既作为从动齿轮323a的从动轴，又作为绳轮331的主动轴。
在一个应用场景中，绳轮331一体连接于从动轴324a的一端，而该从动轴324a与从动齿轮323a分体连接设置。当然，在其它应用场景中，从动轴324a还可与从动齿轮323a一体设置，而与绳轮331分体连接设置，此处不做具体限定。
对于上述齿轮传动机构320的第二种方式，如图6、9所示，行星架324b作为齿轮传动机构320的输出端，与绳轮331连接，具体可与绳轮331的中心部连接，以带动绳轮331同步且同轴转动。在一应用场景中，绳轮331可连接于行星架324b的远离行星轮323b的一端，并与行星架324b为一体结构。当然，在其它应用场景中二者也可以为分体结构，此处不做限定。
需要说明的是，换能元件220的往复摆动是由驱动机构400所带动的，然而，在一些应用场景中，由于结构、空间限制等因素，驱动机构400的输出端的驱动方向与换能元件220所需的摆动方向并不一致。因此可对传动装置300进行设计，以使得动力的传送方向在传递过程中发生改变，进而使得绳索传动机构350的输出端的传动方向与换能元件220所需的摆动方向一致。具体地，对传动方向进行改变的结构可以设置于齿轮传动机构340当中，或者设置于绳索传动机构350当中，或者既设置于齿轮传动机构340当中，又设置于绳索传动机构350当中。
本实施方式中，换向组件333可沿绳索332的延伸路径而设置于绳轮331与检测机构200之间，在传动过程中，对绳索332的传动方向进行改变，以使得绳索332的连接装配座230的两端的传动方向与检测机构200所要求的运动方向一致。
具体地，换向组件333可包括两个第一换向轮3331构成的第一换向轮组和两个第二换向轮3332构成的第二换向轮组。其中，两个第一换向轮3331可分别转动套设于第一转轴640的外围，并互相间隔设置，两个第二换向轮3332可分别转动套设于第二转轴650的外围，且互相间隔设置。
当然，在其它实施方式中，换向轮组件333还可包括更多的换向轮组，例如三组、四组、五组等，具体可根据实际需求进行选择，此处不做限定。
进一步地，绳索332的两侧在延伸路径上分别依次交错绕设于对应的第一 换向轮3331及第二换向轮3332的外围，并在第一换向轮3331及第二换向轮3332的作用下改变传动方向。
更进一步地，张紧组件334可沿绳索332的延伸路径设置于绳轮331与检测机构200之间，具体可于两个换向轮组之间向绳索332施力以使绳索332处于张紧状态，从而使得绳索传动机构330驱动换能元件220进行平稳的摆动，进而使得检测探头1000能够进行平稳的扫描和检测，以提高检测结果的准确性。
具体地，张紧组件334可包括张紧调节座3341、张紧轮3343及施力件3344。
其中，张紧调节座3341可转动套设于第一转轴640的外围，从而在其受力时，能够绕第一转轴640转动以进行调节，使得该张紧调节座3341处于平衡状态。
具体地，张紧调节座3341可于两个第一换向轮3331之间套设在第一转轴640外围，如图10所示，也可于两个第一换向轮3331的两侧套设在第一转轴640外围，如图11所示，此处不做限定。
进一步地，张紧轮3343的数量可以为一个或多个。在张紧轮3343的数量为一个时，该张紧轮3343的形状可以为长柱状，且表面形成有两个环绕该张紧轮3343的轴向设置的容纳槽，绳索332的两侧可分别绕设于对应的容纳槽内而绕设于该张紧轮3343的外围。
本实施方式中，张紧轮3343的数量为两个，两个张紧轮3343的表面分别形成有一个环绕对应的张紧轮3343设置的容纳槽，绳索332的两侧可分别绕设于对应的容纳槽内而绕设于对应的张紧轮3343的外围。其中，两个张紧轮3343可互相间隔设置，并与张紧调节座3341转动连接。
施力件3344可用于向张紧调节座3341施加张紧调节力，以使得张紧调节座3341绕第一转轴640转动，并通过两个张紧轮3343向绳索332施力而使得绳索332处于张紧状态。
本实施方式中，绳索332绕过绳轮331后，其两端可进一步分别依次绕设于对应的第一换向轮3331、张紧轮3343及第二换向轮3332的外围，进而连接至换能元件220。进而一方面通过第一换向轮3331和第二换向轮3332对传动方向进行改变以满足需求，另一方面在张紧轮3343的作用下而处于张紧状态，换能元件220的摆动能够平稳进行。
其中，张紧组件334的具体结构可以有多种形式，只要能够使绳索332处于张紧状态即可。
在一实施方式中，请进一步一并参阅图6和图10，张紧调节座3341可包括第一调节臂33411、第二调节臂33412、张紧轮转轴33413及连接杆33414。
具体地，第一调节臂33411与第二调节臂33412可互相交叉连接，例如可呈类“V”字型设置。张紧调节座3341可于第一调节臂33411与第二调节臂33412的连接处与第一转轴640转动连接，具体于该连接处转动套设于第一转轴640的外围。
张紧轮转轴33413可连接设置于第一调节臂33411的远离第二调节臂33412的一端，其中，两个张紧轮3343可分别转动套设于该张紧轮转轴33413上，且互相间隔设置。
进一步地，安装组件600还可包括与支撑件630固定连接的固定杆670。该固定杆670可与第一转轴640、第二转轴650平行且间隔设置。
具体地，施力件3344可以为两个拉伸弹性件，且一端与固定杆670连接，另一端与连接杆33414连接，以向连接杆33414施加张紧调节力，以使得张紧调节座3341绕第一转轴640转动，两个张紧轮3343通过绕张紧轮转轴33413进行自适应转动并向绳索332施力而使得绳索332处于张紧状态。
其中，每个拉伸弹性件的两端可分别通过勾接的方式而分别勾设于固定杆670及连接杆33414。具体地，两个拉伸弹性件均可以为拉伸弹簧。
在另一实施方式中，请进一步一并参阅图5和图11，张紧调节座3341可包括转动臂33415及张紧轮转轴33416。其中，转动臂33415一端与第一转轴640转动连接，另一端与张紧轮转轴33416连接，从而张紧轮转轴33416与第一转轴640间隔设置。其中，两个张紧轮3343分别转动套设于张紧轮转轴33416上。
进一步地，安装组件600还包括连接设置于安装基座610上的支撑件680。
其中，施力件3344可以为扭转弹性件，并包括扭转弹力部33441、第一支撑端33442及第二支撑端33443。其中，扭转弹力部33441可套设于第一转轴640的外围。第一支撑端33442可连接设置于扭转弹力部33441的一侧，并抵接于支撑件680上。第二支撑端33443可连接设置于扭转弹力部33441的另一侧，并抵接于张紧轮转轴33416上，以在扭转弹力部33441的弹力作用下向张紧轮转轴33416施加张紧调节力，以使得张紧调节座3341绕第一转轴640转动，两个张紧轮3343可通过绕张紧轮转轴33416进行自适应转动并向绳索332施力而使得绳索332处于张紧状态。
其中，上述各实施方式中的张紧调节座3341的各组成部分可以为互相独立的结构，并通过特定的连接方式而连接在一起；或者还可以为一整体结构，此处不做具体限定。
进一步地，请参阅图12，稳定轮组335可沿绳索332的延伸路径设置于绳轮331与换向组件333之间，并可包括两个稳定轮3351。
其中，两个稳定轮3351可间隔设置，且传动方向可与绳轮331的传动方向一致。具体地，在绳索332绕过绳轮331后，该绳索332的两侧可于两个稳定轮3351之间分别绕设于对应的稳定轮3351的外围。
需要指出的是，稳定轮组335能够在绳索332的传动路径上对绳索332起到一定的支撑作用，从而使得绳索332的传动更加稳定，提高检测结果的准确性。
另外需要说明的是，在一些实施方式中，传动装置300并不限定于前述的结构。例如，在一应用场景中，安装组件600中的安装基座610、支撑架等也可以作为传动装置300的一部分。在另一应用场景中，传动装置300也可不包括联轴器360等，具体可根据实际情况进行设置即可，此处不做具体限定。
进一步地，请继续参阅图5及图7，安装组件600还可包括安装支架690。该安装支架690可安装于安装基座610的远离支撑架630的一侧。驱动机构400可安装于该安装支架630上。
具体地，驱动机构400可以为电机，具体可以为步进电机。驱动机构400可通过输出端将动力输出至齿轮传动机构320。
进一步地，请继续参阅图1-3，尾套组件500可包括检测探头1000进行工作的线路结构，主机2000具体可通过与尾套组件500中的线路的连接而与检测探头1000的检测机构200、驱动机构400等建立连接，进而实现信号控制以及电力、数据的传输。
以上，仅为本申请较佳的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，根据本申请的技术方案及其发明构思加以等同替换或改变，都应涵盖在本申请的保护范围之内。此外，尽管本说明书中使用了一些特定的术语，但这些术语只是为了方便说明，并不对本申请构成任何限制。

Claims (22)

  1. 一种检测探头，其特征在于，包括：
    壳体，定义有一容置空间；
    检测机构，位于所述壳体的一端，用于执行检测功能；
    驱动机构，位于所述容置空间内，用于输出动力；及
    绳索传动机构，位于所述容置空间内，并包括：
    绳索，分别连接所述驱动机构及检测机构，用于接收所述驱动机构输出的动力，并传送至所述检测机构，以带动所述检测机构运动；及
    换向组件，包括沿所述绳索的延伸路径设置的至少两个换向轮组，其中，所述绳索依次绕过两个所述换向轮组，以在两个所述换向轮组的作用下改变传动方向。
  2. 根据权利要求1所述的检测探头，其特征在于，所述绳索传动机构还包括：
    张紧组件，设置于所述绳索的延伸路径上，用于向所述绳索施力以使所述绳索处于张紧状态。
  3. 根据权利要求1-2任一项所述的检测探头，其特征在于，所述检测探头还包括与壳体连接的支撑轴，所述张紧组件包括：
    张紧调节座，与所述支撑轴转动连接；
    张紧轮，与所述张紧调节座转动连接，所述绳索分别绕设于所述张紧轮外围；及
    施力件，用于向所述张紧调节座施加张紧调节力，以使得所述张紧调节座绕所述支撑轴转动，并通过所述张紧轮向所述绳索施力而使得所述绳索处于张紧状态。
  4. 根据权利要求3所述的检测探头，其特征在于，所述张紧轮的数量为两个，所述张紧调节座包括：
    第一调节臂；
    第二调节臂，与所述第一调节臂连接，其中，所述张紧调节座于所述第一调节臂与第二调节臂的连接处与所述支撑轴转动连接；及
    张紧轮转轴，连接设置于所述第一调节臂的远离所述第二调节臂的一端，其中，两个所述张紧轮分别转动套设于所述张紧轮转轴上；
    其中，所述施力件与所述第二调节臂的远离所述第一调节臂的一端连接，用于向所述第二调节臂的远离所述第一调节臂的一端施加所述张紧调节力，以 使得所述张紧调节座绕所述支撑轴转动，两个所述张紧轮通过绕所述张紧轮转轴进行自适应转动并向所述绳索施力而使得所述绳索处于张紧状态。
  5. 根据权利要求4所述的检测探头，其特征在于，所述检测探头还包括与所述壳体连接的固定杆，所述张紧调节座还包括设置于所述第二调节臂的远离所述第一调节臂的端部的连接杆；
    所述施力件为两个拉伸弹性件，每个所述拉伸弹性件的一端与所述固定杆连接，另一端与所述连接杆连接，用于向所述连接杆施加所述张紧调节力。
  6. 根据权利要求3所述的检测探头，其特征在于，所述张紧轮的数量为两个，所述张紧调节座包括：
    转动臂，一端与所述支撑轴转动连接；及
    张紧轮转轴，设置于所述转动臂的远离所述支撑轴的一端，其中，两个所述张紧轮分别转动套设于所述张紧轮转轴上；
    其中，所述施力件与所述张紧轮转轴连接，用于向所述张紧轮转轴施加所述张紧调节力，以使得所述张紧调节座绕所述支撑轴转动，两个所述张紧轮通过绕所述张紧轮转轴进行自适应转动并向所述绳索施力而使得所述绳索处于张紧状态。
  7. 根据权利要求6所述的检测探头，其特征在于，所述检测探头还包括与所述壳体连接的支撑件，所述施力件为扭转弹性件，并包括：
    扭转弹力部，套设于所述支撑轴的外围；
    第一支撑端，连接设置于所述扭转弹力部的一侧，并抵接于所述支撑件上；及
    第二支撑端，连接设置于所述扭转弹力部的另一侧，并抵接于所述张紧轮转轴上，以在所述扭转弹力部的弹力作用下向所述张紧轮转轴施加所述张紧调节力。
  8. 根据权利要求1-7任一项所述的检测探头，其特征在于，所述检测探头还包括与所述壳体连接且互相间隔设置的第一转轴和第二转轴，所述两个换向轮组包括：
    两个第一换向轮，分别转动套设于所述第一转轴的外围，且互相间隔设置；及
    两个第二换向轮，分别转动套设于所述第二转轴的外围，且互相间隔设置；
    其中，所述绳索在延伸路径上分别依次交错绕设于对应的所述第一换向轮及第二换向轮的外围，以改变传动方向。
  9. 根据权利要求1-8任一项所述的检测探头，其特征在于，所述绳索传动机 构还包括：
    绳轮，所述绳索绕设于所述绳轮的外围；
    稳定轮组，沿所述绳索的延伸路径设置于所述绳轮与所述换向组件之间，并包括两个间隔设置的稳定轮，所述绳索的两侧于两个所述稳定轮之间分别绕设于对应的所述稳定轮外围。
  10. 根据权利要求1-9任一项所述的检测探头，其特征在于，还包括：
    齿轮传动机构，位于所述容置空间内，并分别与所述驱动机构及绳索传动机构连接，以接收所述驱动机构输出的动力，并向所述绳索传动机构传递。
  11. 根据权利要求10所述的检测探头，其特征在于，所述绳索传动机构还包括绳轮，所述绳索绕设于所述绳轮的外围，所述齿轮传动机构包括：
    主动轴，与所述驱动机构连接，并在所述驱动机构的驱动下转动；
    主动齿轮，安装于所述主动轴的一端，并随所述主动轴同步转动；及
    从动齿轮，与所述主动齿轮啮合，并随所述主动齿轮转动；及
    从动轴，分别与所述从动齿轮及所述绳轮连接，以与所述从动齿轮同步运动，并带动所述绳轮转动，以使得所述绳索随所述绳轮的转动而带动所述检测机构运动。
  12. 根据权利要求11所述的检测探头，其特征在于，所述检测探头还包括：
    联轴器，一端与所述驱动机构连接，另一端与所述主动轴连接，以将所述驱动机构输出的动力传递至所述主动轴。
  13. 根据权利要求10所述的检测探头，其特征在于，所述绳索传动机构还包括绳轮，所述绳索绕设于所述绳轮的外围，所述齿轮传动机构包括：
    太阳轮，与所述驱动机构连接，并在所述驱动机构的驱动下转动；
    齿圈，套设于所述太阳轮外围，并与所述太阳轮同轴且间隔设置；
    多个行星轮，互相间隔设置于所述太阳轮与所述齿圈之间，其中，每个所述行星轮的一侧与所述太阳轮啮合，另一侧与所述齿圈内侧啮合，以随所述太阳轮而转动；及
    行星架，与多个所述行星轮及所述绳轮连接，并在多个所述行星轮的带动下与所述太阳轮同轴转动，以带动所述绳轮转动，使得所述绳索随所述绳轮的转动而带动所述检测机构运动。
  14. 根据权利要求11-13任一项所述的检测探头，其特征在于，所述绳轮还定义有环绕外周且凹陷设置的导向槽，所述绳索分别绕设于所述导向槽内。
  15. 根据权利要求10-14任一项所述的检测探头，其特征在于，所述齿轮传动机构的传动比大于1。
  16. 根据权利要求10-15任一项所述的检测探头，其特征在于，还包括：
    安装基座，环绕所述壳体的内侧壁安装于所述壳体上，并定义有贯穿的安装孔；
    其中，所述齿轮传动机构及绳索传动机构安装于所述安装基座的一侧，且所述齿轮传动机构与所述驱动机构穿过所述安装孔连接在一起。
  17. 根据权利要求16所述的检测探头，其特征在于，还包括：
    安装支架，安装于所述安装基座的远离所述齿轮传动机构及绳索传动机构的一侧，其中，所述驱动机构安装于所述安装支架上。
  18. 根据权利要求1-17任一项所述的检测探头，其特征在于，所述壳体的靠近所述检测机构的一端定义有与所述容置空间连通的开口，所述检测机构包括：
    换能元件，用于发出检测信号，以及接收携带有检测信息的反馈信号；
    承载支架，于所述开口处安装于所述壳体上，并包括两个凹弧承载台；
    装配座，定义一装配位，以装配所述换能元件，并与所述绳索连接，且包括分别位于两侧的两个柱状凸台，其中，两个所述柱状凸台分别活动支撑于对应的所述凹弧承载台上，以在所述绳索的作用下带动所述换能元件进行往复摆动；及
    声窗，设置于所述换能元件、承载支架及装配座的外围，并安装于所述壳体的所述开口处，用于配合所述换能元件发出所述检测信号以及接收所述反馈信号。
  19. 根据权利要求18所述的检测探头，其特征在于，所述装配座的两侧分别定义有装配槽，所述绳索的远离所述换向组件的一端分别安装于对应的所述装配槽内。
  20. 根据权利要求1-19任一项所述的检测探头，其特征在于，所述容置空间包括延伸区及容纳区，所述壳体包括：
    伸入部，与所述延伸区对应，其中，至少部分所述绳索传动机构容置于所述延伸区内；及
    手持部，连接设置于所述伸入部的一端，并与所述容纳区对应，其中，所述驱动机构容置于所述容纳区内。
  21. 一种传动装置，应用于检测探头，所述检测探头包括检测机构及驱动机构，其特征在于，包括：
    绳索传动机构，包括：
    绳索，分别连接所述驱动机构及检测机构，用于接收所述驱动机构输出的动力，并传送至所述检测机构，以带动所述检测机构运动；及
    换向组件，包括沿所述绳索的延伸路径设置的两个换向轮组，其中，所述绳索依次绕过两个所述换向轮组，以在两个所述换向轮组的作用下改变传动方向。
  22. 一种检测仪器，其特征在于，包括主机及如权利要求1-21任一项所述的检测探头，其中，所述主机分别与所述检测探头的检测机构及驱动机构连接，以控制所述驱动机构输出动力，以及控制所述检测机构执行检测功能。
PCT/CN2021/082438 2021-03-23 2021-03-23 检测探头、传动装置及检测仪器 WO2022198449A1 (zh)

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