CN117179806A - Driver and ultrasonic image diagnosis device - Google Patents

Abstract

The invention relates to the technical field of ultrasonic image diagnosis equipment, and discloses a driver and ultrasonic image diagnosis equipment, wherein the driver comprises a shell and a driving structure; the inside of the shell is provided with an installation cavity, one end of the shell is provided with an installation opening, and the installation opening is communicated with the installation cavity; the driving structure is arranged in the mounting cavity and is detachably and fixedly connected with the shell; the driving structure comprises a probe seat, a conductive slip ring, a connecting seat and a motor which are sequentially connected, one end, far away from the conductive slip ring, of the probe seat is arranged at the mounting opening, and the probe is suitable for being detachably connected with the probe seat through the mounting opening. The driver of the invention can reduce noise, improve the service life and stability of the driver, and reduce parts, so that the connection of structures such as the probe seat, the conductive slip ring, the connecting seat and the motor is tighter, and the occupied space of the driver in the installation cavity is reduced.

Description

Driver and ultrasonic image diagnosis device

Technical Field

The invention relates to the technical field of ultrasonic image diagnosis equipment, in particular to a driver and ultrasonic image diagnosis equipment.

Background

With the development of human society, medical workers are generally faced with various medical conditions by means of medical equipment devices to achieve the purposes of convenient treatment and monitoring of the conditions. Especially, for some conditions that cannot be observed by naked eyes in vivo, an ultrasonic image diagnosis device is often needed, ultrasonic waves are transmitted to a patient through a probe, and the probe receives the returned ultrasonic waves again to display imaging on a display, so that a doctor is helped to judge the illness state of the patient.

The ultrasonic image diagnosis equipment in the related art generally comprises a host, a driver and a probe, wherein the driver comprises a motor, a conductive slip ring and a probe seat, the motor is directly fixed on a bottom plate of the driver through a connecting seat, the conductive slip ring and the probe seat are also respectively fixed on the bottom plate of the driver, oversubscribing is easy to generate, the motor and the conductive slip ring are connected through a gear transmission assembly, the noise is large, and the service life and the stability of the driver are easy to reduce.

Disclosure of Invention

In view of the above, the present invention provides a driver and an ultrasonic image diagnostic apparatus to solve the problems of easy overdriving, loud noise and easy reduction of the life and stability of the driver.

In a first aspect, the present invention provides a drive comprising a housing and a drive structure; the inside of the shell is provided with an installation cavity, one end of the shell is provided with an installation opening, and the installation opening is communicated with the installation cavity; the driving structure is arranged in the mounting cavity and is detachably and fixedly connected with the shell; the driving structure comprises a probe seat, a conductive slip ring, a connecting seat and a motor which are sequentially connected, one end, far away from the conductive slip ring, of the probe seat is arranged at the mounting opening, and the probe is suitable for being detachably connected with the probe seat through the mounting opening.

The beneficial effects are that: connect probe holder, electrically conductive sliding ring, connecting seat and motor into an holistic drive structure, direct connection drive between motor and the electrically conductive sliding ring has simplified the gear drive subassembly between the two, both can reduce the noise, improves life-span and the stability of driver, can also reduce spare part for the connection of probe holder, electrically conductive sliding ring, connecting seat and motor isotructure is inseparabler, reduces the space that the driver occupy in the installation cavity. And after the probe seat, the conductive slip ring, the connecting seat and the motor are connected into an integral driving structure, the integrated driving structure can be used as a whole to be positioned with the shell, and compared with the independent positioning of each structure in the related technology, the integrated driving structure is simple and accurate in positioning and cannot generate over positioning.

In an alternative embodiment, the device further comprises a main control board, wherein the main control board is arranged in the mounting cavity, detachably and fixedly connected with the shell and in communication connection with the driving structure.

The beneficial effects are that: the probe seat, the conductive slip ring, the connecting seat and the motor are connected into an integral driving structure along the preset direction, so that the connection and layout with a main control board can be facilitated, the number of the main control boards is reduced, the structure of the driver is more compact and tidy, and the assembly and the disassembly are convenient.

In an alternative embodiment, the driver further comprises a ground shield plate disposed in the mounting cavity and detachably fixedly connected with the housing; the main control board is detachably and fixedly connected with the grounding shielding plate and is arranged between the grounding shielding plate and the driving structure.

The beneficial effects are that: the grounding shielding plate can be connected with the fixed main control board, and can effectively shield electromagnetic radiation inside and outside the driver, namely, the influence of external electromagnetic radiation on the driver is avoided, and the influence of the electromagnetic radiation inside the driver on external equipment is also avoided.

In an alternative embodiment, the driver further comprises an insulating shield plate connected to the main control board and located between the main control board and the driving structure.

The beneficial effects are that: the insulating shielding plate can effectively shield electromagnetic radiation and prevent the electromagnetic radiation of the main control board from interfering probe signals.

In an alternative embodiment, the driver further comprises at least two connecting perforations and at least two groups of fastening components, wherein the at least two connecting perforations are arranged on the main control board at intervals along the preset direction; at least two sets of fastening components are detachably connected with the driving structure, the connecting perforation and the shell in sequence.

The beneficial effects are that: the arrangement of the connecting perforation and the fastening component can detachably connect the driving structure, the main control board and the shell, and the main control board and the driving structure are fixedly connected in the mounting cavity of the shell.

In an alternative embodiment, the fastening assembly includes a first support column, a second support column, and a fastening rod; one end of the first support column is fixedly connected to the driving structure, and the other end of the first support column is supported on one side of the main control board; one end of the second support column is fixedly connected to the shell, and the other end of the second support column is supported on the other side of the main control board; the fastening rod is arranged at the connecting perforation in a penetrating way, and two ends of the fastening rod are respectively detachably connected with the first support column and the second support column.

The beneficial effects are that: the second support column can support the corresponding interval between the main control board and the shell, and the first support column can support the corresponding interval between the main control board and the driving structure, so that the heat dissipation, the support and the fixation of the main control board and the driving structure are facilitated; the fastening rod can fix the driving structure, the main control board and the shell through the first supporting column and the second supporting column, and the driving structure and the main control board are prevented from moving and dislocating in the installation cavity of the shell.

In an alternative embodiment, the connecting perforations and the fastening components each have three sets and are distributed in a triangle.

The beneficial effects are that: the connection perforation and the fastening component that triangle-shaped distributes, connect firmly, connect the effect better.

In an alternative embodiment, at least one of the fastening assemblies is coupled to the connection block and at least one of the fastening assemblies is coupled to the probe block.

In an alternative embodiment, the probe mount, the conductive slip ring, the connection mount, and the motor are all coaxially disposed.

The beneficial effects are that: the probe seat, the conductive slip ring, the connecting seat and the motor are connected more tightly, the stability of the structure is enhanced, and the miniaturization development of the driving structure is realized.

In an alternative embodiment, the probe seat is provided with a first through hole, the conductive slip ring comprises a stator and a rotor, two ends of the stator are respectively provided with a first flange and a second flange, the first flange is fixedly connected with one end of the probe seat, and the second flange is fixedly connected with the connecting seat; the rotor is rotatably connected with the stator; and one end of the rotor rotatably penetrates through the first through hole and is suitable for being electrically connected with the probe.

The beneficial effects are that: one end of the conductive slip ring is fixedly connected with the probe seat through the first flange, the other end of the conductive slip ring is fixedly connected with the connecting seat through the second flange, the simultaneous installation and fixation of two ends of the conductive slip ring are realized, the installation precision of the conductive slip ring is improved, the conductive slip ring is enabled to be stressed uniformly, the conductive slip ring can always maintain stronger stability in the rotating process of the rotor, the structure is firmer, and the applicability is stronger. And the first flange and the second flange have simple structure, strong connection stability, higher reliability, simple and convenient installation and disassembly, easy maintenance, good operability and capability of reducing labor, material and time cost.

In an alternative embodiment, the connection seat is provided with a second through hole; the periphery of the connecting seat is provided with a plurality of through grooves at intervals, the through grooves are communicated with the second through holes, and a first through hole and a second through hole are respectively arranged on two groove walls of the through grooves in the axial direction of the second through holes; one end of the connecting seat is fixedly connected with one end of the conductive slip ring through the first through hole and the first fastening piece, and the other end of the connecting seat is fixedly connected with the motor through the second through hole and the second fastening piece; the power output end of the motor is arranged in the second through hole and is connected with the other end of the rotor of the conductive slip ring.

The beneficial effects are that: the arrangement of the second through hole can facilitate the connection of the power output end of the motor and the rotor, and the miniaturization of the driving structure is realized. The arrangement of the through groove, the first through hole and the second through hole can facilitate connection of the two ends of the connecting seat with the motor and the conductive slip ring, can not occupy excessive space when being connected through the first fastener and the second fastener, and can check and maintain connection and state between the power output end and the rotor through the through groove.

In an alternative embodiment, the conductive slip ring comprises a stator, a rotor and a connector, wherein two ends of the stator are respectively connected with the probe seat and the connecting seat; the rotor is rotatably connected with the stator; one end of the rotor is fixedly connected with the connector; the other end of the rotor is connected with the power output end of the motor.

The beneficial effects are that: the connector can conduct the electric signals provided by the probe; and the connector is fixed on the rotor, and is connected with the conductive slip ring into an integral structure, compared with the structure that the connector and the conductive slip ring are mutually separated, the structure is simpler, and the stability of the conductive slip ring can be kept stronger all the time in the running process of the conductive slip ring, so that the stability of the electrical performance is ensured.

In an alternative embodiment, the driver further comprises a probe identification plate fixed to the probe mount and adapted to detect information of the probe; the probe identification board is towards the one end of the main control board is a first connecting end, and the first connecting end is detachably spliced with the main control board.

The beneficial effects are that: the first connecting end is detachably inserted into the main control board, so that wiring connection can be avoided, and the assembly is convenient.

In an alternative embodiment, the driver further comprises a probe rotation identification switch fixed on the probe mount and adapted to detect mounting information of the probe; the probe rotates the third link of discernment switch orientation the one end of main control board, the third link with the main control board detachably grafting.

The beneficial effects are that: the third connecting end is detachably inserted with the main control board, so that wiring connection can be avoided, and the assembly is convenient.

In an optional implementation manner, the electric motor further comprises a connecting elastic piece, one end of the connecting elastic piece is connected with the conductive slip ring, and the other end of the connecting elastic piece is connected with a capacitor on the main control board.

The beneficial effects are that: the connecting spring plate connects the probe seat with the capacitor on the main control board, thereby reducing electromagnetic radiation.

In an alternative embodiment, the driver further comprises a connector lug, the connector lug being electrically connected with the main control board; the periphery of the connector lug is provided with an annular groove, and the bottom of the annular groove is provided with a first plane; the other end of the shell is provided with a bayonet, and the bayonet is inserted into the annular groove; the side wall surface of the bayonet is provided with a second plane, and the first plane is matched with the second plane.

The beneficial effects are that: the annular groove is arranged, so that the connector lug can be clamped at the bayonet to prevent the connector lug from moving along the preset direction; the cooperation of first plane and second plane can fix the connector lug, prevents that the connector lug from rotating in the assembly, avoids the connector lug to damage because of rotatory.

In an alternative embodiment, the connector further comprises a bayonet and a connector lug, wherein the bayonet is arranged at the other end of the shell and is square; the connector lug is electrically connected with the main control board, and the shape of the connector lug is matched with the shape of the bayonet.

In a second aspect, the present invention further provides an ultrasonic image diagnostic apparatus, including a host, the driver and the probe, wherein one end of the driver is connected to the host through a connection line; the probe is connected to the other end of the driver.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a driver (partial) according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a first view of a driver according to an embodiment of the invention;

FIG. 3 is a cross-sectional view of a driver according to an embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of A in FIG. 3;

FIG. 5 is a schematic diagram of a second view of a driver according to an embodiment of the invention;

FIG. 6 is a schematic diagram of a second view of a driver (part) according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a third view of a driver (part) according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a fourth view of a driver (part) according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of a first view of a driving structure according to an embodiment of the present invention;

FIG. 10 is a schematic view of a probe base of a driving structure according to an embodiment of the present invention;

FIG. 11 is an enlarged partial schematic view of B in FIG. 10;

FIG. 12 is a schematic view of one implementation of a first view of a driving structure (part) according to an embodiment of the present invention;

FIG. 13 is a schematic view of a driving structure (part) according to a second view angle of an embodiment of the present invention;

FIG. 14 is a schematic view of another embodiment of a second view of a driving structure according to an embodiment of the present invention;

FIG. 15 is a front view of an electrically conductive slip ring according to an embodiment of the present invention;

FIG. 16 is a cross-sectional view of an electrically conductive slip ring according to an embodiment of the present invention;

FIG. 17 is a schematic illustration of a partial structure of an electrically conductive slip ring according to an embodiment of the present invention;

FIG. 18 is another schematic illustration of a partial structure of an electrically conductive slip ring according to an embodiment of the present invention;

fig. 19 is a schematic view of a partial structure of an electrically conductive slip ring according to an embodiment of the present invention.

Reference numerals illustrate:

1. a housing; 11. a bayonet; 2. a driving structure; 21. a probe seat; 211. a first through hole; 212. a slideway; 213. a groove; 22. a conductive slip ring; 221. a stator; 2211. a connecting bracket; 22111. a first flange; 22112. a second flange; 22113. a connecting rod; 22114. a housing; 2212. brushing wires; 222. a rotor; 2221. a rotation shaft; 22211. a connection end; 22212. a connecting groove; 22213. a second connection hole; 22214. a connection part; 2222. a conductive ring; 2223. an insulating part; 2224. a connector; 2225. a gland; 2226. a bearing structure; 2227. a bearing press ring; 23. a connecting seat; 231. a through groove; 232. a first through hole; 24. a motor; 25. clamping and tabletting; 26. a second connector; 27. an insulating ring; 28. a protective sleeve; 3. a main control board; 31. connecting the through holes; 4. a ground shield plate; 5. a fastening assembly; 51. a first support column; 52. a second support column; 53. a fastening rod; 6. a probe identification plate; 61. a first connection end; 7. the probe rotates the identification switch; 71. an induction member; 72. a second connection end; 73. a third connection end; 8. a connecting spring plate; 9. a connector lug; 91. an annular groove; 10. an insulating shield plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

An embodiment of the present invention is described below with reference to fig. 1 to 19.

According to an embodiment of the present invention, in one aspect, there is provided a driver comprising a housing 1 and a driving structure 2; the inside of the shell 1 is provided with an installation cavity, one end of the shell 1 is provided with an installation opening, and the installation opening is communicated with the installation cavity; the driving structure 2 is arranged in the mounting cavity and is detachably and fixedly connected with the shell 1; the driving structure 2 comprises a probe seat 21, a conductive slip ring 22, a connecting seat 23 and a motor 24 which are sequentially connected, one end of the probe seat 21, which is far away from the conductive slip ring 22, is arranged at the mounting opening, and the probe is suitable for being detachably connected with the probe seat 21 through the mounting opening. Specifically, the probe holder 21, the conductive slip ring 22, the connection holder 23, and the motor 24 may be sequentially connected along a preset direction, wherein the preset direction is an axial direction of the rotor 222 of the conductive slip ring 22.

The probe seat 21, the conductive slip ring 22, the connecting seat 23 and the motor 24 are connected into the integral driving structure 2, the motor 24 and the conductive slip ring 22 are directly connected for driving, a gear transmission assembly between the motor and the conductive slip ring 22 is simplified, noise can be reduced, the service life and stability of the driver are improved, parts can be reduced, the structures of the probe seat 21, the conductive slip ring 22, the connecting seat 23, the motor 24 and the like are more tightly connected, and the occupied space of the driver in a mounting cavity is reduced. After the probe seat 21, the conductive slip ring 22, the connecting seat 23 and the motor 24 are connected into a whole driving structure 2, the driving structure can be integrally positioned with the shell 1, and compared with the independent positioning required by each structure in the related art, the driving structure is simple and accurate in positioning and cannot generate over positioning.

Specifically, the driving structure 2 includes a probe holder 21, a conductive slip ring 22, a connection holder 23, and a motor 24; the probe seat 21 is provided with a first through hole 211, and the first through hole 211 is suitable for fixing a probe; the conductive slip ring 22 comprises a stator 221 and a rotor 222, and one end of the stator 221 is fixedly connected with one end of the probe seat 21; the rotor 222 is rotatably connected with the stator 221; one end of the rotor 222 is rotatably inserted into the first through hole 211 and is suitable for being connected with a probe; one end of the connecting seat 23 is fixedly connected with the other end of the stator 221, the connecting seat 23 is provided with a second through hole, and the other end of the rotor 222 is rotatably arranged in the second through hole in a penetrating manner; the motor 24 is fixedly connected with the other end of the connecting seat 23; the power output end of the motor 24 is disposed in the second through hole and connected to the other end of the rotor 222. The preset direction is the axial direction of the rotor 222 of the conductive slip ring 22, and the preset direction is the length direction of the housing 1 after the driving structure 2 is assembled in the installation cavity.

In one embodiment, as shown in fig. 3, 4 and 6 to 8, the driver further comprises a main control board 3, which is disposed in the mounting cavity, is detachably and fixedly connected with the housing 1, and is in communication with the driving structure 2. Specifically, the main control board 3 is respectively connected with the conductive slip ring 22 and the motor 24 in the driving structure 2 in a communication manner, and is used for sending and transmitting data signals of the conductive slip ring 22, sending rotation data signals of the motor 24, and the like.

The probe seat 21, the conductive slip ring 22, the connecting seat 23 and the motor 24 are connected into a whole driving structure 2 along a preset direction, so that the connection and layout with one main control board 3 can be facilitated, the number of the main control boards 3 is reduced, the structure of the driver is more compact and tidy, and the assembly and the disassembly are convenient. In particular, the main control panel 3 may be disposed between the drive structure 2 and the floor of the housing 1.

In one embodiment, as shown in fig. 3, 4 and 6, the driver further comprises a ground shielding plate 4, which is disposed in the mounting cavity and is detachably and fixedly connected with the housing 1; the main control board 3 is detachably and fixedly connected with the grounding shielding plate 4 and is arranged between the grounding shielding plate 4 and the driving structure 2.

The grounding shielding plate 4 can be connected with the fixed main control board 3 and can effectively shield electromagnetic radiation inside and outside the driver, namely, the influence of external electromagnetic radiation on the driver is avoided, and the influence of the electromagnetic radiation inside the driver on external equipment is also avoided. Specifically, the ground shield 4 is typically a metal plate such as a copper plate or an aluminum plate.

In one embodiment, as shown in fig. 3 and 4, the driver further includes at least two connection through holes 31 and at least two groups of fastening components 5, and the at least two connection through holes 31 are arranged on the main control board 3 at intervals along a preset direction; at least two sets of fastening assemblies 5 are in turn detachably connected to the driving structure 2, the connection aperture 31 and the housing 1.

The arrangement of the connecting perforation 31 and the fastening component 5 can detachably connect the driving structure 2, the main control board 3 and the shell 1, and the main control board 3 and the driving structure 2 are fixedly connected in the installation cavity of the shell 1.

In one embodiment, as shown in fig. 4 and 6, the fastening assembly 5 includes a first support column 51, a second support column 52, and a fastening rod 53; one end of the first support column 51 is fixedly connected to the driving structure 2, and the other end of the first support column is supported on one side of the main control board 3; one end of the second support column 52 is fixedly connected to the shell 1, and the other end is supported on the other side of the main control board 3; the fastening rod 53 is penetrated at the connection hole 31, and both ends are detachably connected with the first support column 51 and the second support column 52, respectively.

The second support column 52 can support the corresponding interval between the main control board 3 and the shell 1, and the first support column 51 can support the corresponding interval between the main control board 3 and the driving structure 2, so that the heat dissipation, the support and the fixation of the main control board 3 and the driving structure 2 are facilitated; the fastening rod 53 can fix the driving structure 2, the main control board 3 and the shell 1 through the first support column 51 and the second support column 52, and prevent the driving structure 2 and the main control board 3 from moving and misplacing in the installation cavity of the shell 1.

Specifically, as shown in fig. 4, a blind hole is formed in one end of the first support column 51 facing the main control board 3, a connection groove is formed in the second support column 52, a notch of the connection groove is formed in the outer shell 1 and faces the outer part of the outer shell 1, the bottom of the connection groove is arranged at one end close to the main control board 3, a connection opening is formed in the bottom of the connection groove, one end of the fastening rod 53 is connected with a limit cap, and the other end of the fastening rod 53 sequentially penetrates through the connection opening and the connection through hole 31 and then is connected with the blind hole. Specifically, the fastening rod 53 is a screw, a bolt, or the like, and the fastening rod 53 is screwed with the blind hole. The side of the shell 1 provided with the second support column 52 is a bottom plate, and a plurality of heat dissipation holes are formed in the bottom plate.

Specifically, the protrusion is equipped with the third support column on the ground connection shield plate 4, and the one end that the ground connection shield plate 4 was kept away from to the third support column supports main control board 3, and the one end that the ground connection shield plate 4 was kept away from to the third support column is equipped with the screw hole, corresponds on the main control board 3 to be equipped with the through-hole, fastener such as screw, bolt pass through-hole and screw hole threaded connection. A fourth support column is arranged on the shell 1 in a protruding mode, and supports one side, back to the main control board 3, of the grounding shielding plate 4. The grounding shielding plate 4 is also provided with an avoidance hole, and the second support column 52 passes through the avoidance hole and is supported on the main control board 3. In one embodiment, at least one second support column 52 is disposed at one end of the main control board 3, one end of the ground shielding board 4 is avoided from the second support column 52, and the remaining second support columns 52 are matched with an avoiding hole on the ground shielding board 4. In particular, in another embodiment, each second support post 52 mates with a relief hole in the ground shield 4.

In one embodiment, the connecting perforations 31 and the fastening assembly 5 each have three sets and are distributed in a triangle. The connecting perforations 31 and the fastening components 5 each have three groups and are distributed in a triangular shape, as shown in fig. 1. Specifically, three sets of connecting through holes 31 and fastening members 5 are arranged at intervals along the length direction of the main control board 3, two sets are arranged at one end close to the probe seat 21, and one set is arranged at a position close to the connecting seat 23 and at a middle position in the width direction of the main control board 3.

As an alternative embodiment, the connecting hole 31 and the fastening member 5 may each have two sets, and may be spaced apart in the predetermined direction. Alternatively, the connecting perforations 31 and the fastening components 5 may each have four sets, spaced apart in a rectangular or diamond shape. The number and positions of the connecting holes 31 and the fastening components 5 are not excessively limited, and the connecting holes are distributed at intervals along the preset direction, and the main control board 3 and the driving structure 2 can be well fixedly connected.

In one embodiment, as shown in fig. 1, at least one fastening assembly 5 is coupled to connector block 23 and at least one fastening assembly 5 is coupled to probe block 21. In particular, in one embodiment, the fastening assemblies 5 connected to the probe holder 21 have two sets, and the fastening assemblies 5 connected to the connection holder 23 have one set.

In one embodiment, as shown in fig. 1 and 4, the driver further comprises an insulating shielding plate 10 connected to the main control board 3 and located between the main control board 3 and the driving structure 2.

The insulating shielding plate 10 can effectively shield electromagnetic radiation and prevent the electromagnetic radiation of the main control board from interfering with the probe signals.

In one embodiment, as shown in fig. 1, 6 to 14, the driver further comprises a probe identification plate 6 fixed on the probe mount 21, adapted to detect probe information; the end of the probe identification plate 6 facing the main control plate 3 is a first connecting end 61, and the first connecting end 61 is detachably spliced with the main control plate 3; can avoid wiring connection, and is convenient to assemble. Specifically, the first connection end 61 is in plug connection with the main control board 3 through a pin or the like.

In one embodiment, as shown in fig. 1, 6 to 14, the driver further comprises a probe rotation identification switch 7, fixed on the probe seat 21, adapted to detect the mounting information of the probe; the probe rotates the third link 73 of identification switch 7 one end towards main control board 3, and third link 73 and main control board 3 detachably peg graft. Can avoid wiring connection, and is convenient to assemble. Specifically, the third connection end 73 is in plug connection with the main control board 3 through a pin or the like.

In one embodiment, referring to fig. 10, probe holder 21 further includes a slide 212 disposed at an end of probe holder 21 facing away from conductive slip ring 22, extending along an axial direction of first through hole 211, and communicating with first through hole 211; the outer periphery of one end of the probe is provided with a first connecting piece in a protruding manner, and the first connecting piece is suitable for sliding along the slideway 212. By sliding the first connector within the slide 212, the probe may be guided into or away from the probe mount 21; the slide way 212 limits the movement direction of the first connecting piece, so that the probe can slide along the fixed track when entering or leaving the probe seat 21, the stability of the probe in the process of mounting and dismounting is enhanced, and the mounting and dismounting of the probe are more convenient.

Specifically, the probe identification plate 6 is located on one side of the slide 212 and is detachably attached to the probe holder 21 by fasteners such as screws, bolts, and the like. The probe recognition plate 6 can recognize the probe mounted on the probe seat 21, and can quickly and accurately help a user to know the type of the probe mounted on the probe seat 21 without detaching the probe.

In one embodiment, as shown in fig. 10 and 11, probe holder 21 further includes a recess 213 provided at a side of one end of slide 212, adapted to secure the first connector. The groove 213 can prevent the connected first connecting piece from sliding out of the slideway 212, prevent the probe from falling off the probe seat 21 after being installed, and enhance the stability of the structure.

Specifically, the probe rotation identifying switch 7 is fixed on the probe seat 21, one end is provided with a sensing piece 71, and the sensing piece 71 is correspondingly arranged on the groove 213 and is suitable for being abutted with the first connecting piece. When the first connector slides into the groove 213 from the slide 212, the first connector contacts the sensing member 71, and the sensing member 71 senses that the first connector is located inside the groove 213, so that whether the probe is in place can be determined.

Specifically, the sensing element 71 is located at a side of the groove 213 away from the slideway 212 and protrudes out of the groove wall of the groove 213, and when the first connecting element slides to a side of the groove 213 away from the slideway 212, the first connecting element abuts against the sensing element 71, so that the first connecting element is more stably located in the groove 213.

In one embodiment, as shown in fig. 9 to 13, the probe rotation recognition switch 7 is disposed adjacent to the probe recognition plate 6, and a second connection end 72 is disposed on one side of the probe recognition plate 6, and the second connection end 72 is electrically connected to the probe recognition plate 6 through the second connection member 26.

The probe rotates identification switch 7 and the probe identification board 6 and passes through second connecting piece 26 electric connection, only need with probe identification board 6 and main control board 3 electric connection, just can realize the electric connection of probe rotation identification switch 7 and main control board 3, make the structure more clean and tidy pleasing to the eye, and saved the cost.

Specifically, the second connection end 72 is connected to the second connection member 26 by a pin or the like, and the second connection member 26 is connected to the probe identification plate 6 by a pin or the like.

In another embodiment, as shown in fig. 14, the probe rotation recognition switch 7 and the probe recognition plate 6 are respectively located at two sides of the slide 212, the probe rotation recognition switch 7 includes a third connection end 73 protruding from the probe seat 21, and the third connection end 73 and the first connection end 61 are located at the same side, and are both suitable for being connected with the main control board 3.

The third connecting end 73 and the first connecting end 61 are located on the same side and can be connected with the same main control board 3, so that the structure is tidier and more attractive, and the cost is saved.

Specifically, the third connection end 73 is connected with the main control board 3 in a plug-in connection manner through a pin and the like.

In one embodiment, as shown in fig. 12 to 14, the driving structure 2 further includes a clamping pressing piece 25, one end of which is fixedly connected to the probe base 21, and the other end of which is located above the groove 213 and adapted to elastically press the first connecting member. The clamping pressing piece 25 extrudes the first connecting piece located in the groove 213, prevents the first connecting piece from sliding out of the groove 213, effectively further fixes the probe, and enhances the stability of the whole structure.

In one embodiment, as shown in fig. 12, the driving structure 2 further includes an insulating ring 27, where the insulating ring 27 is located in the second through hole and rotatably connected to the second through hole, and the insulating ring 27 is sleeved on the output end of the motor 24 and the outer periphery of the other end of the rotor 222. The insulating ring 27 is sleeved on the output end of the motor 24 and the periphery of the other end of the rotor 222, so that the connection seat 23 and the rotor 222 can be effectively insulated, and the mutual influence between the rotor 222 and the connection seat 23 in the operation process of the driving structure 2 is avoided. Specifically, the insulating ring 27 is made of epoxy resin material, so that the insulating ring can be effectively insulated and has strong processability.

In one embodiment, as shown in fig. 13, the driving structure 2 further includes a protective sleeve 28 sleeved on the other end of the rotor 222. The protective sleeve 28 flexibly connects the output end of the motor 24 and the other end of the rotor 222, and prevents the rotor 222 from being positioned excessively with the output shaft of the motor 24, thereby damaging the conductive slip ring 22 or the motor 24. Specifically, the protective sleeve 28 is a rubber sleeve.

In a specific embodiment, the other end of the rotor 222 is a flat head, the shape of the protective sleeve 28 is consistent with that of the flat head, one end, close to the rotor 222, of the insulating ring 27 is provided with a flat mounting groove, and the other end of the rotor 222 can be clamped into the flat mounting groove, so that synchronous rotation of the insulating ring 27 and the rotor 222 is realized; specifically, the other end of the insulating ring 27 can be fixedly connected with the output end of the motor 24 through a fastening screw, so that synchronous rotation of the insulating ring 27 and the output end of the motor 24 is realized, synchronous rotation of the insulating ring 27, the rotor 222 and the output end of the motor 24 is realized, and noise generated when the output end of the motor 24 drives the rotor 222 to rotate is reduced.

In one embodiment, as shown in fig. 7 and 8, the driver further includes a connection spring 8, one end of the connection spring 8 is connected to the conductive slip ring 22, and the other end is connected to a capacitor on the main control board 3.

The connecting spring plate 8 connects the conductive slip ring 22 with the capacitor on the main control board 3, thereby reducing electromagnetic radiation. Specifically, one end of the connecting spring piece 8 is connected with the probe seat 21 by a fastener such as a screw, a bolt, a rivet, and the like, and the other end is connected with the capacitor of the main control board 3 by a fastener such as a screw, a bolt, a rivet, and the like.

In one embodiment, as shown in fig. 5 to 7, the driver further comprises a connector lug 9, and the connector lug 9 is electrically connected with the main control board 3; the periphery of the connector lug 9 is provided with an annular groove 91, and the bottom of the annular groove 91 is provided with a first plane; the other end of the shell 1 is provided with a bayonet 11, and the bayonet 11 is inserted into the annular groove 91; the side wall surface of the bayonet 11 is provided with a second plane, and the first plane is matched with the second plane.

The annular groove 91 is arranged, so that the connector lug 9 can be clamped at the bayonet 11 to prevent the connector lug 9 from moving along the preset direction; the cooperation of first plane and second plane can fix connector lug 9, prevents connector lug 9 rotation in the assembly, avoids connector lug 9 to damage because of rotatory. The connector lug 9 can connect the driver with the host computer through a connecting wire connected with the connector lug so as to transmit information collected by the driver and the probe to the host computer for processing.

In one embodiment, as shown in fig. 8, the bayonet 11 is square, and the shape of the lug 9 matches the shape of the bayonet 11.

Specifically, as shown in fig. 8, the bayonet 11 is square, and a plurality of side wall surfaces of the square bayonet 11 are all second planes, and a plurality of first planes are matched and arranged at the bottom of the annular groove 91 of the connector lug 9. The housing 1 comprises a first housing body and a second housing body which are mutually buckled, and the bayonet 11 comprises a square groove arranged on the first housing body and a cover arranged on the second housing 1. The driving structure 2 and the main control board 3 are both connected with the first shell 1.

In one embodiment, as shown in fig. 1, probe mount 21, conductive slip ring 22, connection mount 23, and motor 24 are all coaxially disposed.

The probe seat 21, the conductive slip ring 22, the connecting seat 23 and the motor 24 are connected more tightly, the structural stability is enhanced, and the miniaturization development of the driving structure 2 is realized.

In one embodiment, as shown in fig. 9, 13 and 15, the probe holder 21 is provided with a first through hole 211, the conductive slip ring 22 comprises a stator 221 and a rotor 222, two ends of the stator 221 are respectively provided with a first flange 22111 and a second flange 22112, the first flange 22111 is fixedly connected with one end of the probe holder 21, and the second flange 22112 is fixedly connected with the connecting seat 23; the rotor 222 is rotatably connected with the stator 221; and one end of the rotor 222 is rotatably disposed in the first through hole 211 and is suitable for being electrically connected with the probe.

One end of the conductive slip ring 22 is fixedly connected with the probe seat 21 through the first flange 22111, the other end of the conductive slip ring 22 is fixedly connected with the connecting seat 23 through the second flange 22112, simultaneous installation and fixation of two ends of the conductive slip ring 22 are achieved, installation accuracy of the conductive slip ring 22 is improved, the conductive slip ring 22 is enabled to be stressed uniformly, the conductive slip ring 22 can always keep stronger stability in the rotating process of the rotor 222, and the structure is firmer and higher in applicability. And the first flange 22111 and the second flange 22112 are simple in structure, strong in connection stability, high in reliability, simple and convenient to install and detach, easy to maintain, good in operability and capable of reducing labor, material resources and time cost.

In one embodiment, as shown in fig. 7 and 8, the connection seat 23 is provided with a second through hole; the periphery of the connecting seat 23 is provided with a plurality of through grooves 231 at intervals, the through grooves 231 are communicated with the second through holes, and two groove walls of the through grooves 231 in the axial direction of the second through holes are respectively provided with a first through hole 232 and a second through hole; one end of the connecting seat 23 is fixedly connected with one end of the conductive slip ring 22 through a first through hole 232 and a first fastening piece, and the other end is fixedly connected with the motor 24 through a second through hole and a second fastening piece; the power output end of the motor 24 is disposed in the second through hole and connected to the other end of the rotor 222 of the conductive slip ring 22.

The second through hole is convenient for connecting the power output end of the motor 24 with the rotor 222, so as to realize miniaturization of the driving structure 2. The through groove 231, the first through hole 232 and the second through hole are arranged, so that connection between two ends of the connecting seat 23 and the motor 24 and connection between the motor and the conductive slip ring 22 can be facilitated, excessive space can not be occupied when the motor is connected through the first fastener and the second fastener, and connection and state between the power output end and the rotor 222 can be checked and maintained through the through groove 231.

In one embodiment, as shown in fig. 16, the conductive slip ring 22 further includes a stator 221, a rotor 222, and a connector 2224, wherein two ends of the stator 221 are respectively connected with the probe holder 21 and the connection holder 23; the rotor 222 is rotatably connected with the stator 221; one end of the rotor 222 is fixedly connected with a connector 2224, and the connector 2224 is electrically connected with the rotor 222 and is suitable for being electrically connected with a probe; the other end of the rotor 222 is connected to the power output of the motor 24.

Connector 2224 may be used to communicate electrical signals with the probe; and the connector 2224 is fixed on the rotor 222 and is connected with the conductive slip ring 22 into an integral structure, compared with the structure that the connector 2224 and the conductive slip ring 22 are mutually separated, the structure is simpler, and the stability can be kept stronger all the time in the running process of the conductive slip ring 22, thereby ensuring the stability of the electrical performance.

In one embodiment, as shown in fig. 15 to 17, the stator 221 includes a connection bracket 2211 and brush filaments 2212; the connecting support 2211 is internally provided with a cavity, and two ends of the connecting support are respectively provided with a first flange 22111 and a second flange 22112; one end of the brush wire 2212 is fixed on the connection bracket 2211, and the other end is rotatably connected with the rotor 222.

In one embodiment, as shown in fig. 17, the connection bracket 2211 further includes at least two connection rods 22113 and a housing 22114; at least two connecting rods 22113 are arranged at intervals along the circumferential direction of the second flange 22112 and enclose a cavity, and two ends of each connecting rod 22113 are fixedly connected with the first flange 22111 and the second flange 22112 respectively; the housing 22114 is disposed between the first flange 22111 and the second flange 22112 and sleeved on the outer circumferences of the at least two connecting rods 22113.

At least two connecting rods 22113 are arranged at intervals, so that the states of parts in the cavity can be conveniently observed, the parts in the cavity can be checked without being disassembled, and the maintenance time cost is reduced; the shell 22114 is sleeved on the periphery of at least two connecting rods 22113, has a good dustproof effect, effectively avoids the entry of impurities such as dust into the cavity, and can protect parts in the cavity.

In one embodiment, as shown in fig. 16 to 19, the rotor 222 includes a rotation shaft 2221 and a conductive ring 2222; the rotary shaft 2221 is sequentially arranged in the first flange 22111, the cavity and the second flange 22112 in a penetrating manner; the conductive ring 2222 is located between the first flange 22111 and the second flange 22112, and sleeved on the rotating shaft 2221, and is fixedly connected with the rotating shaft 2221.

The conductive ring 2222 is fixed on the rotating shaft 2221, and can be driven by the rotating shaft 2221 to realize rotating motion, so that the conductive ring 2222 rotates relative to the brush wire 2212, and in the rotating process of the conductive ring 2222, friction is carried out between the conductive ring 2222 and the brush wire 2212 to generate current, and the current can be used for driving the rotating device to rotate, so that the conductive slip ring 22 provides electric connection for the devices connected to the two sides of the conductive ring.

In a specific embodiment, one end of the rotor 222 is located outside of the cavity and the first flange 22111, connectable with a probe; the other end is located outside the cavity and the first flange 22111 and is connected to the power output end of the motor 24. The other end of the rotor 222 is driven by the power output end of the motor 24 to rotate, and friction between the motor and the brush wires 2212 generates current, so that the probe is driven to work.

In one embodiment, as shown in fig. 16 to 19, one end of the rotating shaft 2221 is a connection end 22211, the connection end 22211 is located outside the cavity and the first flange 22111, the connection end 22211 is provided with a connection groove 22212, and the connector 2224 is fixedly connected in the connection groove 22212 and electrically connected with the conductive ring 2222.

The connector 2224 is located the inside of rotation axis 2221, links as an organic whole structure with electrically conductive sliding ring 22, and the structure is simpler, can remain stronger stability throughout the in-process of electrically conductive sliding ring 22 operation to guaranteed the stability of electrical property, help realizing the miniaturized setting of driver.

In one embodiment, as shown in fig. 16 to 19, the device further includes a connection wire, the rotation shaft 2221 is provided with a second connection hole 22213, the second connection hole 22213 is connected to the connection groove 22212 in a communicating manner, one end of the connection wire is connected to the connector 2224, and the other end of the connection wire passes through the second connection hole 22213 to be connected to the conductive ring 2222.

The connecting wire has realized the electric connection of connector 2224 and conducting ring 2222 in rotation axis 2221's inside, has avoided rotation axis 2221 to take place winding problem at unlimited continuous rotatory time connecting wire, can improve and lead electrical slip ring 22 stability, has simplified the structure that leads electrical slip ring 22, avoids the connecting wire to lead to the fact the sprain at rotatory in-process, has guaranteed electrical property's stability.

In one embodiment, as shown in fig. 16 to 19, a plurality of conductive rings 2222 and connecting wires are provided, and the conductive rings 2222 and the connecting wires are in one-to-one correspondence; and an insulating portion 2223 is disposed between two adjacent conductive rings 2222.

The multiple connection lines and the multiple conductive rings 2222 realize multiple conduction between the connector 2224 and the conductive rings 2222, so that the reliability of conducting electric signals by the conductive slip ring 22 is ensured, and the efficiency of conducting electric signals is improved; the insulating portion 2223 can effectively prevent the adjacent two conductive rings 2222 from affecting each other.

In one embodiment, as shown in fig. 15 to 19, the rotor 222 further includes a gland 2225 fixedly connected at the notch of the connection groove 22212; one end of the connector 2224 protrudes from the connection groove 22212, and is clamped between the gland 2225 and the connection groove 22212; and the connection end 22211 is provided with a connection part 22214, the gland 2225 is provided with a through hole, and the connection part 22214 passes through the through hole and protrudes from the gland 2225.

The gland 2225 presses and fixes one protruding end of the connector 2224, so that the connector 2224 is more stably connected in the connecting groove 22212 and is not loosened due to the rotation of the rotating shaft 2221; and be equipped with the through-hole on the gland 2225, connecting portion 22214 passes the through-hole and stands out in gland 2225 setting, avoids gland 2225 to the connection of connecting end 22211 and rotary device's rotating-structure to produce the influence.

In one embodiment, as shown in fig. 15 to 19, the rotor 222 further includes two bearing structures 2226, where the two bearing structures 2226 are sleeved on the rotating shaft 2221 and fixedly connected in the flange holes of the first flange 22111 and the second flange 22112, respectively, and the rotating shaft 2221 is rotatably connected to the first flange 22111 and the second flange 22112 through the two bearing structures 2226, respectively.

Bearing structure 2226 enables rotor 222 to rotate relative to connection mount 2211, thereby enabling relative rotational movement of conductive ring 2222 and brush filaments 2212; and the bearing structure 2226 has small friction coefficient, high transmission efficiency, standardization, serialization and universalization, is suitable for mass production and supply, and is very convenient to use and maintain.

In one embodiment, as shown in fig. 15 to 19, the rotor 222 further includes two bearing press rings 2227, the two bearing press rings 2227 are sleeved on the rotating shaft 2221, and the two bearing structures 2226 are disposed between the two bearing press rings 2227; the two bearing rings 2227 are fixedly connected in the flange holes of the first flange 22111 and the second flange 22112, respectively.

The bearing ring 2227 can firmly fix the bearing structure 2226 in the flange holes of the first flange 22111 and the second flange, so as to ensure the correct position and direction of the bearing structure 2226, thereby ensuring the normal operation of the bearing structure 2226 during operation; by tightly fixing the bearing structure 2226, stable operation of the bearing structure 2226 is ensured; fatigue may also be resisted, preventing excessive vibration of the bearing structure 2226 during operation, thereby reducing damage and service life of the bearing structure 2226.

According to an embodiment of the present invention, in another aspect, the present invention further provides an ultrasonic image diagnostic apparatus, including a host, the driver and the probe, where one end of the driver is connected to the host through a connection line; the probe is connected to the other end of the driver.

Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.

Claims (10)

1. A driver, comprising:

the shell (1) is internally provided with an installation cavity, one end of the shell (1) is provided with an installation opening, and the installation opening is communicated with the installation cavity;

the driving structure (2) is arranged in the mounting cavity and is detachably and fixedly connected with the shell (1); the driving structure (2) comprises a probe seat (21), a conductive slip ring (22), a connecting seat (23) and a motor (24) which are sequentially connected, wherein one end, far away from the conductive slip ring (22), of the probe seat (21) is arranged at the mounting opening, and the probe is suitable for being detachably connected with the probe seat (21) through the mounting opening.

2. The drive according to claim 1, further comprising a main control board (3) arranged in the mounting cavity, detachably fixedly connected to the housing (1), and in communication with the drive structure (2).

3. The drive according to claim 2, further comprising a ground shield (4) disposed within the mounting cavity and detachably fixedly connected to the housing (1); the main control board (3) is detachably and fixedly connected with the grounding shielding plate (4) and is arranged between the grounding shielding plate (4) and the driving structure (2);

And/or, further comprises an insulating shielding plate (10) which is connected to the main control board (3) and is positioned between the main control board (3) and the driving structure (2).

4. The driver according to claim 2, further comprising:

at least two connecting perforations (31) which are arranged on the main control board (3) at intervals;

at least two groups of fastening components (5) are sequentially and detachably connected with the driving structure (2), the connecting perforation (31) and the shell (1).

5. The drive according to claim 4, wherein the fastening assembly (5) comprises:

one end of the first support column (51) is fixedly connected to the driving structure (2), and the other end of the first support column is supported on one side of the main control board (3);

one end of the second support column (52) is fixedly connected to the shell (1), and the other end of the second support column is supported on the other side of the main control board (3);

the fastening rod (53) is arranged at the connecting perforation (31) in a penetrating way, and two ends of the fastening rod are respectively detachably connected with the first support column (51) and the second support column (52);

and/or the connecting perforations (31) and the fastening components (5) are provided with three groups and distributed in a triangle shape;

and/or at least one of the fastening assemblies (5) is connected with the connecting seat (23), and at least one of the fastening assemblies (5) is connected with the probe seat (21).

6. The drive according to any one of claims 1 to 5, characterized in that the probe seat (21), the conductive slip ring (22), the connection seat (23) and the motor (24) are all coaxially arranged.

7. The driver according to claim 6, wherein the probe seat (21) is provided with a first through hole (211), the conductive slip ring (22) comprises a stator (221) and a rotor (222), two ends of the stator (221) are respectively provided with a first flange (22111) and a second flange (22112), the first flange (22111) is fixedly connected with one end of the probe seat (21), and the second flange (22112) is fixedly connected with the connecting seat (23); the rotor (222) is rotatably connected with the stator (221); one end of the rotor (222) is rotatably arranged in the first through hole (211) in a penetrating way and is suitable for being electrically connected with the probe;

and/or the connecting seat (23) is provided with a second through hole; a plurality of through grooves (231) are formed in the periphery of the connecting seat (23) at intervals, the through grooves (231) are communicated with the second through holes, and a first through hole (232) and a second through hole are respectively formed in two groove walls of the through grooves (231) in the axial direction of the second through holes; one end of the connecting seat (23) is fixedly connected with one end of the conductive slip ring (22) through the first through hole (232) and a first fastener, and the other end of the connecting seat is fixedly connected with the motor (24) through the second through hole and a second fastener; the power output end of the motor (24) is arranged in the second through hole and is connected with the other end of the rotor (222) of the conductive slip ring (22);

And/or, the conductive slip ring (22) comprises a stator (221), a rotor (222) and a connector, and two ends of the stator (221) are respectively connected with the probe seat (21) and the connecting seat (23); the rotor (222) is rotatably connected with the stator (221); one end of the rotor (222) is fixedly connected with the connector; the other end of the rotor (222) is connected with the power output end of the motor (24).

8. The drive according to any one of claims 2 to 5, further comprising a probe identification plate (6) fixed to the probe mount (21) adapted to detect information of the probe; one end, facing the main control board (3), of the probe identification board (6) is a first connecting end (61), and the first connecting end (61) is detachably connected with the main control board (3) in an inserting mode;

and/or, the driver also comprises a probe rotation identification switch (7) which is fixed on the probe seat (21) and is suitable for detecting the installation information of the probe; the probe rotates the third connecting end (73) of one end of the identification switch (7) towards the main control board (3), and the third connecting end (73) is detachably spliced with the main control board (3);

and/or, the electric motor also comprises a connecting elastic piece (8), one end of the connecting elastic piece (8) is connected with the conductive slip ring (22), and the other end is connected with a capacitor on the main control board (3).

9. The driver according to any of claims 2 to 5, further comprising a connector lug (9), the connector lug (9) being electrically connected with the main control board (3); an annular groove (91) is formed in the periphery of the connector lug (9), and a first plane is arranged in the annular groove (91);

the other end of the shell (1) is provided with a bayonet (11), and the bayonet (11) is inserted into the annular groove (91); the bayonet (11) is provided with a second plane, and the first plane is matched with the second plane;

and/or, the device further comprises a bayonet (11) and a connector lug (9), wherein the bayonet (11) is arranged at the other end of the shell (1), and the bayonet (11) is square; the connector lug (9) is electrically connected with the main control board (3), and the shape of the connector lug (9) is matched with the shape of the bayonet (11).

10. An ultrasonic imaging diagnostic apparatus, comprising:

a host;

the drive of any one of claims 1 to 9, one end being connected to the host by a connection line;

and the probe is connected with the other end of the driver.