CN210697759U - Force-unloading clamping driving mechanism for ultrasonic knife head - Google Patents
Force-unloading clamping driving mechanism for ultrasonic knife head Download PDFInfo
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- CN210697759U CN210697759U CN201920700578.6U CN201920700578U CN210697759U CN 210697759 U CN210697759 U CN 210697759U CN 201920700578 U CN201920700578 U CN 201920700578U CN 210697759 U CN210697759 U CN 210697759U
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Abstract
The utility model relates to a force-unloading clamping driving mechanism of an ultrasonic knife head, which comprises a pulling handle, wherein the pulling handle comprises a handle body, one end of the handle body is provided with a driving part, the end surface of the driving part, which is far away from the handle body, is provided with a slot and a receiving groove, the slot and the receiving groove are arranged in a staggered way, and the slot is communicated to the front end of the driving part; the driving part is hinged with the shell; the force unloading part comprises a transmission part and a pressure absorption part, the transmission part is inserted into the bearing groove, the transmission part is movably arranged on the force unloading positioning part, and the transmission part can move relative to the force unloading positioning part; the pressure absorbing piece is clamped between the front part of the force unloading positioning part and the transmission piece. The utility model discloses a driving force that the trigger rotates the production can be earlier when driving medium promotes pressure absorbing piece, is received partly by pressure absorbing piece, and pressure absorbing piece makes the driving force of driving medium released partly promptly, and this can prevent to cut the head and when ultrasonic action pole closure becomes the centre gripping form, produces too big clamping-force.
Description
Technical Field
The utility model relates to an supersound sword technical field especially relates to a power of unloading centre gripping actuating mechanism of supersound sword tool bit.
Background
Ultrasonic knives, which are ultrasonic waves that cut internal tissues of the human body like true knives using the principle of ultrasound, have been commonly used in clinical surgical treatment. The ultrasonic knife mainly comprises a main machine, a driving handle, a connecting wire, a knife head, a foot switch and the like; the working principle is that the pedal or handheld cutter head is used for activation, at the moment, the host outputs electric energy under the resonance frequency of the vibration system to the driving handle, the driving handle converts the electric energy into mechanical energy and outputs the mechanical energy to the cutter head, and the cutter head further amplifies the vibration to carry out mechanical vibration, so that water in tissue cells is vaporized, protein hydrogen bonds are broken, the cells are disintegrated, the tissues are cut or coagulated, and the purposes of cutting the tissues and stopping bleeding are achieved.
There is a repeatedly usable's supersound tool bit device in the existing market, and it includes handle of a knife subassembly, cutter arbor subassembly, cutting head, and its handle of a knife subassembly is by the left and right casing joint that is equipped with the tang to fix a position through 3 locating pins, and left and right casing is connected through preceding adapter sleeve and back adapter sleeve, and the cutter arbor subassembly includes the well core rod (being ultrasonic wave action pole), interior loop bar and the overcoat loop bar of coaxial setting. The ultrasonic cutter head is mainly detachable and reusable, but cannot ensure that the shearing head at the front end and the ultrasonic action rod are closed to form a clamping shape, so that the generated clamping force is prevented from being too large. Because the shearing head can produce the harm to ultrasonic wave action pole when clamping-force is too big, therefore, how to design a simple structure, convenient to use, and can prevent when shearing head and ultrasonic wave action pole closed become the centre gripping form, the too big mechanism of clamping-force that produces is the problem that technical personnel in the field need solve.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a power of unloading centre gripping actuating mechanism of supersound sword tool bit to overcome prior art's above-mentioned defect.
In order to solve the technical problem, the utility model discloses a following technical scheme: a force-unloading clamping driving mechanism for a cutter head of an ultrasonic knife comprises a shell, a cutter bar assembly and a shearing head; the cutter arbor subassembly includes: the ultrasonic action rod, the sleeve and the push rod are sleeved with the sleeve, the ultrasonic action rod and the sleeve are both arranged on the shell, a movable connecting part and a positioning connecting part are sequentially arranged at the rear part of the shearing head from back to front, the positioning connecting part of the shearing head is arranged at the front end of the push rod, and the movable connecting part is hinged with the ultrasonic action rod; the rear end of the push rod is provided with a force unloading positioning part; unload power centre gripping actuating mechanism includes: the wrench handle comprises a handle body, one end of the handle body is provided with a driving part, the end surface of the driving part, far away from the handle body, is provided with a slot and a bearing groove, the slot and the bearing groove are arranged in a staggered manner, the slot penetrates through the front end of the driving part, and the slot is used for inserting the push rod; the driving part is hinged with the shell; the force unloading part comprises a transmission part and a pressure absorption part, the transmission part is inserted into the bearing groove, the transmission part is movably arranged on the force unloading positioning part, and the transmission part can move relative to the force unloading positioning part; the pressure absorption piece is clamped between the front part of the force unloading positioning part and the transmission piece; the pressure absorbing member receives the pressure pushed forward by the transmission member.
Preferably, the pressure absorbing member is an elastic member, a contraction direction of the pressure absorbing member is in the same direction as a longitudinal direction of the pressure absorbing member, a front end of the pressure absorbing member in the longitudinal direction is in contact with a front portion of the force releasing positioning portion, and a rear end of the pressure absorbing member in the longitudinal direction is in contact with the transmission member.
Furthermore, the force-releasing positioning part is an accommodating through hole which is arranged at the rear end of the push rod and runs through along the radial direction of the push rod; the transmission piece is inserted into the accommodating through hole; the pressure absorbing piece is inserted into the containing through hole and is positioned between the front inner wall of the containing through hole and the transmission piece; the rear end of the pressure absorbing member is connected with the transmission member.
Furthermore, one side of the transmission part, which is connected with the pressure absorption part, is provided with a groove for the pressure absorption part to be inserted into, and the rear end of the pressure absorption part is connected with the bottom surface of the groove.
Furthermore, the force unloading positioning part comprises a containing through hole and a limiting part; the accommodating through hole is formed in the rear end of the push rod and penetrates through the accommodating through hole along the radial direction of the push rod; the limiting part is arranged on the outer side surface of the push rod and is positioned in front of the accommodating through hole; the transmission piece is inserted into the accommodating through hole; the pressure absorbing piece is sleeved on the pushing rod, and the pressure absorbing piece is clamped between the transmission piece and the limiting part.
Preferably, the number of the receiving grooves is two, and the two receiving grooves are positioned at two sides of the slot; two ends of the transmission piece are respectively inserted into the bearing grooves; the power of unloading centre gripping actuating mechanism of supersound sword tool bit still include: two stoppers; the two stop blocks are respectively and fixedly arranged in the two bearing grooves and are respectively positioned at the outer sides of the two ends of the transmission part.
Further, each stopper is clamped in the corresponding receiving groove, or each stopper is pasted in the corresponding receiving groove.
Preferably, the shear head comprises a head part, two oppositely arranged back plate parts are arranged at the back end of the head part, and the movable connecting parts are arranged on the opposite inner side surfaces of the two back plate parts; the sleeve is provided with two oppositely arranged bearing through holes, and each bearing through hole is hinged with the movable connecting part.
Furthermore, the cross section of the movable connecting part is formed by a first straight line, a first arc line, a second straight line and a second arc line which are connected in sequence; the length of the first straight line is smaller than that of the second straight line, and the first arc line and the second arc line are both outwards convex; the first arc line and the second arc line are arranged in an axisymmetric manner by taking a connecting line of the middle point of the first straight line and the middle point of the second straight line as a central axis; the receiving through hole comprises a rectangular hole part and a circular hole part which are communicated with each other, the diameter of the circular hole part is larger than the length of the rectangular hole part, and the length of the rectangular hole part is larger than the distance between the first straight line and the second straight line; the length of the first straight line is greater than the diameter of the circular hole part; the movable connecting part penetrates through the bearing through hole and penetrates into the sleeve.
Preferably, mounting grooves are respectively formed in two sides of the driving part, and each mounting groove is movably connected with the shell through a connecting shaft.
Compared with the prior art, the utility model discloses the progress that has showing:
the utility model discloses an among the power of unloading centre gripping actuating mechanism of ultrasonic knife tool bit, because the catch bar inserts in the slot, the driving medium inserts in the accepting groove, supply pressure absorbing piece card between the front portion of the power of unloading location portion and the driving medium, pressure absorbing piece receives the pressure that the driving medium promoted forward, so, rotate the handle body of trigger handle, the handle body can drive the driving medium through driving part and move forward relative to the power of unloading location portion, the driving medium promotes pressure absorbing piece, after pressure absorbing piece receives the pressure that the driving medium promoted forward, the driving medium continues to promote pressure absorbing piece, make pressure absorbing piece pass through the front portion of the power of unloading location portion, promoted the catch bar and moved forward, then the catch bar drives the shear head and rotates towards the direction that is close to ultrasonic action pole, until the shear head is closed with the front; in this novel mechanism of use, the drive power that the trigger rotated the production can be when the driving medium promotes pressure absorbing piece earlier, received partly by pressure absorbing piece, that is to say, pressure absorbing piece makes the driving force of driving medium released partly, and this just can prevent effectively that shear head and ultrasonic action pole from closing into the centre gripping form when, producing too big clamping-force. The novel structure of this use is simple, convenient to use.
Drawings
Fig. 1 is a schematic view of the internal structure of an ultrasonic-blade head of example 1.
Fig. 2 is a schematic structural view showing that the shear head is separated from the front end of the ultrasonic action rod after the trigger lever of the ultrasonic-knife head of embodiment 1 drives the shear head to move by the force-releasing clamp driving mechanism.
Fig. 3 is a schematic structural view showing that the shear head and the front end of the ultrasonic action rod are closed after the trigger lever of the ultrasonic scalpel head of embodiment 1 drives the shear head to move through the force-releasing clamping driving mechanism.
Fig. 4 is a schematic view of the structure of the force-releasing clamp drive mechanism of the ultrasonic-blade head of example 1 without the trigger.
Fig. 5 is a schematic view of an internal exploded structure of an ultrasonic-blade head of example 1.
Fig. 6 is a schematic structural view of the force-releasing member and the push rod of the force-releasing clamp driving mechanism of the ultrasonic-knife head according to embodiment 1.
Fig. 7 is a schematic structural view of the force discharging member of the force discharging clamp driving mechanism of the ultrasonic-blade bit of embodiment 1 provided in the push rod.
Fig. 8 is a schematic structural view of the force-releasing clamp driving mechanism of the ultrasonic-blade bit of embodiment 1 at the receiving groove.
Fig. 9 is a schematic structural view of the ultrasonic scalpel head of embodiment 1 with a movable connection portion and a corresponding receiving through hole on the sleeve.
Fig. 10 is a schematic structural view of a force-releasing member of embodiment 2.
Description of the reference numerals
100 case
200 cutter bar assembly
210 ultrasonic action bar
220 push rod
221 unloading force positioning part
2211 front inner wall
2212 receiving through hole
2213 position limiter
230 sleeve
231 receiving through hole
2311 rectangular hole part
2312 circular hole
300 scissor head
310 movable connection part
311 first straight line
312 first arc line
313 second straight line
314 second arc line
320 positioning connecting part
301 head
302 back sheet part
400 throw handle
410 handle body
420 drive unit
421 through hole part
422 slot
423 receiving groove
424 installation groove
500 unload power part
510 pressure absorbing member
520 drive member
521 groove
600 dog
700 connecting shaft
Length of L-shaped rectangular hole
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Example 1
As shown in fig. 1 to 9, the force-releasing clamping driving mechanism of the ultrasonic blade head of the present embodiment includes a housing 100, a blade bar assembly 200, and a shear head 300;
the tool bar assembly 200 includes: the ultrasonic wave action rod 210, the sleeve 230 and the push rod 220, wherein the sleeve 230 is sleeved on the ultrasonic wave action rod 210, the ultrasonic wave action rod 210 and the sleeve 230 are both installed on the shell 100, the rear part of the shear head 300 is sequentially provided with a movable connecting part 310 and a positioning connecting part 320 from back to front, the positioning connecting part 320 of the shear head 300 is installed at the front end of the push rod 220, and the movable connecting part 310 is hinged with the ultrasonic wave action rod 210; the rear end of the push rod 220 is provided with a force-releasing positioning part 221; unload power centre gripping actuating mechanism includes:
the trigger 400 comprises a trigger body 410, wherein one end of the trigger body 410 is provided with a driving part 420, the end surface of the driving part 420 far away from the trigger body 410 is provided with a slot 422 and a receiving slot 423, the slot 422 and the receiving slot 423 are arranged in a staggered manner, the slot 422 penetrates through the front end of the driving part 420, and the slot 422 is used for inserting the push rod 220; the driving part 420 is hinged with the housing 100;
a force-releasing member 500, wherein the force-releasing member 500 comprises a transmission member 520 and a pressure absorbing member 510, the transmission member 520 is inserted into the receiving groove 423, the transmission member 520 is movably mounted on the force-releasing positioning portion 221, and the transmission member 520 can move relative to the force-releasing positioning portion 221; a pressure absorption piece 510 is clamped between the front part of the force unloading positioning part 221 and the transmission piece 520; the pressure absorbing member 510 receives the pressure pushed forward by the transmission member 520.
In the force-releasing clamping driving mechanism of the ultrasonic scalpel head of the utility model, because the push rod 220 is inserted into the slot 422 and the transmission piece 520 is inserted into the bearing groove 423, the pressure absorption piece 510 is clamped between the front part of the force-releasing positioning part 221 and the transmission piece 520, the pressure absorption piece 510 receives the pressure pushed forward by the transmission piece 520, therefore, when the handle body 410 of the trigger 400 is rotated, the handle body 410 drives the transmission member 520 to move forward relative to the unloading force positioning portion 221 by the driving member 420, the transmission member 520 pushes the pressure absorbing member 510, and after the pressure absorbing member 510 receives the pressure pushed forward by the transmission member 520, the transmission member 520 continues to push the pressure absorbing member 510, so that the pressure absorbing member 510 drives the push lever 220 to move forward through the front of the force releasing position part 221, the pushing rod 220 drives the shear head 300 to rotate towards the direction close to the ultrasonic action rod 210 until the shear head 300 and the front end of the ultrasonic action rod 210 are closed; in this novel mechanism of use, the drive power that trigger 400 rotated the production can be earlier when driving piece 520 promotes pressure absorption piece 510 for pressure absorption piece 510 receives partly pressure, that is to say, pressure absorption piece 510 makes driving piece 520's driving force be released partly, and this just can prevent effectively that shear 300 and ultrasonic action pole 210 from closing into the centre gripping form when, producing too big clamping-force. The novel structure of this use is simple, convenient to use.
The pressure absorbing member 510 is an elastic member, the contraction direction of the pressure absorbing member 510 is the same direction as the longitudinal direction of the pressure absorbing member 510, the front end of the pressure absorbing member 510 in the longitudinal direction is in contact with the front part of the force releasing positioning part 221, and the rear end of the pressure absorbing member 510 in the longitudinal direction is in contact with the transmission member 520. When the pressure absorbing member 510 is pushed forward by the driving member 520 so that the pressure absorbing member 510 is contracted, it is possible to facilitate the pressure absorbing member 510 to release a part of the force, and the structure is simple and easy to control. In this embodiment, the elastic member is a spring. The slot 422 and the receiving slot 423 are vertically arranged, so that the structure is more simplified and the control is more convenient.
The unloading positioning part 221 is an accommodating through hole which is arranged at the rear end of the push rod 220 and runs through along the radial direction of the push rod 220; the transmission member 520 is inserted into the receiving through hole; the pressure absorbing member 510 is inserted into the receiving through-hole with the pressure absorbing member 510 between the front-side inner wall 2211 of the receiving through-hole and the transmission member 520; the rear end of the pressure absorbing member 510 is coupled with the transmission member 520.
The pressure absorbing member 510 and the transmission member 520 are inserted into the receiving through-hole, which facilitates the transmission member 520 to push the pressure absorbing member 510 to move; when the transmission member 520 pushes the pressure absorbing member 510 forward, the pressure absorbing member 510 is contracted, and when the transmission member 520 moves backward, the restoring force of the pressure absorbing member 510 restores the pressure absorbing member 510 to the initial state, and the acting force of the pressure absorbing member 510 on the push rod 220 is released, so that the driving member 420 can drive the push rod 220 to move backward through the transmission member 520, so as to control the closing and opening states between the shear head 300 and the ultrasonic action bar 210.
The side of the transmission member 520 to which the pressure absorbing member 510 is coupled is provided with a groove 521 into which the pressure absorbing member 510 is inserted, and the rear end of the pressure absorbing member 510 is coupled to the bottom surface of the groove 521. This structure enables the location in the receiving through-hole, where the pressure absorbing member 510 is placed, to be longer, so that the force released during the contraction of the pressure absorbing member 510 is greater.
The number of the receiving grooves 423 is two, and the two receiving grooves 423 are positioned on two sides of the inserting groove 422; the both ends of driving medium 520 are inserted respectively in accepting the groove 423, and the power of unloading centre gripping actuating mechanism of supersound sword tool bit still includes: two stoppers 600; the two stoppers 600 are respectively fixed in the two receiving grooves 423, and the two stoppers 600 are respectively located at the outer sides of the two ends of the transmission member 520. The two stoppers 600 fixedly provided can restrict the position of the transmission member 520 so that the position of the transmission member 520 is always maintained between the two stoppers 600 without moving toward the outside of the receiving groove 423.
Each stopper 600 is snapped into the corresponding receiving groove 423 or each stopper 600 is stuck in the corresponding receiving groove 423. Each stopper 600 is clamped in the corresponding bearing groove 423, so that the stopper 600 is in interference fit with the bearing groove 423, and the position of the stopper 600 clamped in the bearing groove 423 is fixed; or the stoppers 600 are stuck in the corresponding receiving grooves 423, the positions of the stoppers 600 in the receiving grooves 423 are fixed.
The shear head 300 comprises a head part 301, two oppositely arranged back plate parts 302 are arranged at the rear end of the head part 301, and movable connecting parts 310 are arranged on the opposite inner side surfaces of the two back plate parts 302; two receiving through holes 231 are oppositely arranged on the sleeve 230, and each receiving through hole 231 is hinged with the movable connecting part 310. Since the two movable connecting portions 310 are respectively hinged to the corresponding receiving through holes 231, the structure enables the cutting head 300 to be stably connected to the push rod 220, so as to ensure that the cutting head 300 can stably rotate relative to the push rod 220, and thus the cutting head 300 can be aligned with the front end of the ultrasonic action rod 210 when the cutting head is closed.
In this embodiment, the number of the positioning connection portions 320 is two, the two positioning connection portions 320 are respectively disposed on the two rear portions 302, each positioning connection portion 320 is a connection hole, the front end of the push rod 220 is provided with two protruding portions 222, and the two protruding portions 222 are respectively connected with the connection holes.
The cross section of the movable connecting part 310 is formed by a first straight line 311, a first arc line 312, a second straight line 313 and a second arc line 314 which are connected in sequence; the length of the first straight line 311 is less than that of the second straight line 313, and both the first arc line 312 and the second arc line 314 are convex outwards; the first arc line 312 and the second arc line 314 are arranged in an axisymmetric manner by taking a connecting line of the midpoint of the first straight line 311 and the midpoint of the second straight line 313 as a central axis;
the receiving through-hole 231 includes a rectangular hole portion 2311 and a circular hole portion 2312 which communicate with each other, a diameter of the circular hole portion 2312 is greater than a length L of the rectangular hole portion 2311, and the length L of the rectangular hole portion 2311 is greater than a distance between the first straight line 311 and the second straight line 313; the length of the first straight line 311 is greater than the diameter of the circular hole portion 2312; the movable connection portion 310 penetrates the receiving through hole 231 and penetrates the interior of the sleeve 230.
The length L of the rectangular hole 2311 is greater than the distance between the first straight line 311 and the second straight line 313, and the structure enables the movable connection part 310 to penetrate into the receiving through hole 231 through the rectangular hole 2311; the length of the first straight line 311 is smaller than that of the second straight line 313, and the length of the first straight line 311 is greater than the diameter of the circular hole 2312, so that the movable connection part 310 is stably positioned inside the sleeve 230 while being inserted into the circular hole 2312 through the rectangular hole 2311, and the movable connection part 310 is prevented from being outwardly removed through the circular hole 2312.
The driving part 420 is provided at both sides thereof with mounting grooves 424, respectively, and each mounting groove 424 is movably connected with the housing 100 by a connecting shaft. This structure allows the housing 100 to be stably coupled with the mounting groove 424.
Example 2
As shown in fig. 10, the present embodiment is different from embodiment 1 in that the force-releasing positioning portion 221 includes a receiving through-hole 2212 and a stopper portion 2213; the receiving through hole 2212 is arranged at the rear end of the push rod 220, and the receiving through hole 2212 is penetrated along the radial direction of the push rod 220; the limiting part 2213 is arranged on the outer side surface of the push rod 220, and the limiting part 2213 is positioned in front of the accommodating through hole 2212; the transmission member 520 is inserted into the receiving through hole 2212; the pressure absorbing member 510 is sleeved on the pushing rod 220, and the pressure absorbing member 510 is clamped between the transmission member 520 and the position-limiting portion 2213. After the transmission member 520 pushes the pressure absorbing member 510 to contract, the pressure absorbing member 510 drives the pushing rod 220 to move forward through the limiting portion 2213.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A force-unloading clamping driving mechanism of an ultrasonic knife head comprises a shell (100), a knife rod assembly (200) and a shearing head (300);
the method is characterized in that: the knife bar assembly (200) comprises: the ultrasonic scissors are characterized by comprising an ultrasonic action rod (210), a sleeve (230) and a push rod (220), wherein the sleeve (230) is sleeved on the ultrasonic action rod (210), the ultrasonic action rod (210) and the sleeve (230) are both installed on the shell (100), a movable connecting part (310) and a positioning connecting part (320) are sequentially arranged at the rear part of the scissors head (300) from back to front, the positioning connecting part (320) of the scissors head (300) is installed at the front end of the push rod (220), and the movable connecting part (310) is hinged to the ultrasonic action rod (210); the rear end of the push rod (220) is provided with a force-unloading positioning part (221);
unload power centre gripping actuating mechanism includes:
the wrench handle (400) comprises a handle body (410), one end of the handle body (410) is provided with a driving part (420), the end face, far away from the handle body (410), of the driving part (420) is provided with a slot (422) and a receiving groove (423), the slot (422) and the receiving groove (423) are arranged in a staggered mode, the slot (422) penetrates through the front end of the driving part (420), and the slot (422) is used for the push rod (220) to insert; the driving part (420) is hinged with the shell (100);
the force unloading component (500), the force unloading component (500) includes the driving medium (520) and the pressure absorption part (510), the driving medium (520) is inserted into the receiving groove (423), the driving medium (520) is movably mounted on the force unloading positioning part (221), and the driving medium (520) can move relative to the force unloading positioning part (221); the pressure absorption piece (510) is clamped between the front part of the force unloading positioning part (221) and the transmission piece (520); the pressure absorbing member (510) receives the pressure pushed forward by the transmission member (520).
2. The ultrasonic blade bit force-removing clamp drive mechanism of claim 1, wherein:
the pressure absorbing member (510) is an elastic member, the contraction direction of the pressure absorbing member (510) is the same direction as the length direction of the pressure absorbing member (510), the front end of the pressure absorbing member (510) in the length direction is in contact with the front part of the force releasing positioning part (221), and the rear end of the pressure absorbing member (510) in the length direction is in contact with the transmission member (520).
3. The ultrasonic blade bit force-removing clamp drive mechanism of claim 2, wherein:
the force-releasing positioning part (221) is an accommodating through hole which is arranged at the rear end of the push rod (220) and runs through along the radial direction of the push rod (220); the transmission piece (520) is inserted into the accommodating through hole; the pressure absorbing member (510) is inserted into the receiving through-hole, the pressure absorbing member (510) being between a front-side inner wall (2211) of the receiving through-hole and the transmission member (520); the rear end of the pressure absorbing member (510) is connected to the transmission member (520).
4. The ultrasonic blade bit force-removing clamp drive mechanism of claim 3, wherein:
one side of the transmission piece (520) connected with the pressure absorption piece (510) is provided with a groove (521) for the pressure absorption piece (510) to insert, and the rear end of the pressure absorption piece (510) is connected with the bottom surface of the groove (521).
5. The ultrasonic blade bit force-removing clamp drive mechanism of claim 2, wherein:
the force-releasing positioning part (221) comprises a receiving through hole (2212) and a limiting part (2213);
the accommodating through hole (2212) is arranged at the rear end of the push rod (220), and the accommodating through hole (2212) penetrates through the push rod (220) along the radial direction;
the limiting part (2213) is arranged on the outer side face of the push rod (220), and the limiting part (2213) is positioned in front of the accommodating through hole (2212);
the transmission piece (520) is inserted into the receiving through hole (2212); pressure absorbing piece (510) cover is located push rod (220) are last, just pressure absorbing piece (510) card is gone into in driving medium (520) with between spacing portion (2213).
6. The force-removing clamp drive mechanism for a cutter head of an ultrasonic blade according to claim 1 or 2, wherein:
the number of the bearing grooves (423) is two, and the two bearing grooves (423) are positioned on two sides of the inserting groove (422);
the two ends of the transmission piece (520) are respectively inserted into the bearing grooves (423);
the power of unloading centre gripping actuating mechanism of supersound sword tool bit still include: two stoppers (600); the two stop blocks (600) are respectively and fixedly arranged in the two bearing grooves (423), and the two stop blocks (600) are respectively positioned at the outer sides of the two ends of the transmission piece (520).
7. The ultrasonic blade bit force-removing clamp drive mechanism of claim 6, wherein: each block (600) is clamped in the corresponding bearing groove (423), or each block (600) is stuck in the corresponding bearing groove (423).
8. The ultrasonic blade bit force-removing clamp drive mechanism of claim 1, wherein:
the shear head (300) comprises a head part (301), the rear end of the head part (301) is provided with two oppositely arranged rear piece parts (302), and the opposite inner side surfaces of the two rear piece parts (302) are respectively provided with the movable connecting part (310);
two oppositely-arranged bearing through holes (231) are formed in the sleeve (230), and each bearing through hole (231) is hinged to the movable connecting portion (310).
9. The ultrasonic blade bit force-removing clamp drive mechanism of claim 8, wherein:
the cross section of the movable connecting part (310) is formed by a first straight line (311), a first arc line (312), a second straight line (313) and a second arc line (314) which are connected in sequence; the length of the first straight line (311) is smaller than that of the second straight line (313), and both the first circular arc line (312) and the second circular arc line (314) are outwards protruded;
the first arc line (312) and the second arc line (314) are arranged in an axisymmetrical manner by taking a connecting line of a midpoint of the first straight line (311) and a midpoint of the second straight line (313) as a central axis;
the receiving through hole (231) includes a rectangular hole portion (2311) and a circular hole portion (2312) which are communicated with each other, the diameter of the circular hole portion (2312) is larger than the length of the rectangular hole portion (2311), and the length of the rectangular hole portion (2311) is larger than the distance between the first straight line (311) and the second straight line (313); the length of the first straight line (311) is greater than the diameter of the circular hole portion (2312);
the movable connecting part (310) penetrates through the receiving through hole (231) and penetrates into the sleeve (230).
10. The ultrasonic blade bit force-removing clamp drive mechanism of claim 1, wherein: mounting grooves (424) are respectively formed in two sides of the driving part (420), and each mounting groove (424) is movably connected with the shell (100) through a connecting shaft (700).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920700578.6U CN210697759U (en) | 2019-05-16 | 2019-05-16 | Force-unloading clamping driving mechanism for ultrasonic knife head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920700578.6U CN210697759U (en) | 2019-05-16 | 2019-05-16 | Force-unloading clamping driving mechanism for ultrasonic knife head |
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| CN210697759U true CN210697759U (en) | 2020-06-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112294398A (en) * | 2020-10-09 | 2021-02-02 | 苏州优脉瑞医疗科技有限公司 | Clean storage device of supersound sword integral type for surgery operation |
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2019
- 2019-05-16 CN CN201920700578.6U patent/CN210697759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112294398A (en) * | 2020-10-09 | 2021-02-02 | 苏州优脉瑞医疗科技有限公司 | Clean storage device of supersound sword integral type for surgery operation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220915 Address after: No. 120, Xinxing Road, West District, Binhai New Area Development Zone, Tianjin 300462 Patentee after: REACH SURGICAL Inc. Address before: Room 504, Building 1, No. 351, Guoshoujing Road, China (Shanghai) Pilot Free Trade Zone, Pudong New Area, Shanghai, 201203 Patentee before: CHINA SURGICAL (SHANGHAI) Corp. |