CN214157454U - Ultrasonic cutter head driving and connecting assembly - Google Patents
Ultrasonic cutter head driving and connecting assembly Download PDFInfo
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- CN214157454U CN214157454U CN202022908329.1U CN202022908329U CN214157454U CN 214157454 U CN214157454 U CN 214157454U CN 202022908329 U CN202022908329 U CN 202022908329U CN 214157454 U CN214157454 U CN 214157454U
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Abstract
The utility model relates to an ultrasonic wave shell surgical instruments technical field especially relates to an supersound tool bit drive coupling assembling, including interior sleeve pipe, set up in the outer tube of interior sleeve pipe one end, setting are in interior sleeve pipe is kept away from outward the drive connection sub-assembly of outer tube one end, the drive connection sub-assembly including set up in interior sleeve pipe outside and with the drive internal member of interior sleeve pipe joint, set up in drive internal member outside and with the drive external member of drive internal member joint, and set up in elasticity subassembly on the drive external member external ring face. Drive internal member and drive external sleeve spare realize through axial displacement's buckle, can realize drive internal member with drive external sleeve spare's smooth assembly has avoided the connection between drive internal member and the drive external sleeve spare to drop, can not be because of the closed inefficacy of centre gripping of supersound tool bit scissors to human tissue to arouse the operation risk.
Description
Technical Field
The utility model relates to an ultrasonic surgery surgical instruments technical field especially relates to an supersound tool bit drive coupling assembling.
Background
The ultrasonic scalpel head generally realizes the clamping closure of human tissues through the relative axial movement of the inner sleeve and the outer sleeve, under the condition that the outer sleeve is fixed, the inner sleeve is driven to move in the outer sleeve to drive the scissor head connected with the outer sleeve and the inner sleeve to rotate so as to realize the clamping closure of the ultrasonic scalpel head on the human tissues, and the elastic driving component connected to the inner sleeve provides elastic driving force for the inner sleeve to keep the clamping force of the ultrasonic scalpel head on the human tissues.
In the prior art, in the conventional elastic force driving assembly, an elastic driving force is provided to an inner sleeve through a combination of a front wave spring and a rear wave spring which are placed between a driving inner sleeve and a driving outer sleeve in series, the front wave spring and the rear wave spring are placed on the driving outer sleeve, and the driving inner sleeve and the driving outer sleeve are rotationally connected through threads to compress the front wave spring and the rear wave spring which are connected in series to ensure the elastic driving force for inner sleeve light. Firstly, when the driving inner sleeve and the driving outer sleeve are assembled through screw thread rotation, the front wave-shaped spring and the rear wave-shaped spring are compressed and generate ejection force on the driving inner sleeve and the driving outer sleeve at the same time, and along with the spiral assembly of the driving inner sleeve and the driving handle outer sleeve, the front wave-shaped spring and the rear wave-shaped spring generate the ejection force on the driving inner sleeve and the driving outer sleeve increasingly larger, and the spiral assembly of the driving inner sleeve and the driving handle outer sleeve is increasingly difficult due to the rotary friction and the influence of resisting the ejection force; secondly, in using the treatment of supersound tool bit, can rotate the crop of being connected with outer tube and interior sleeve pipe and conveniently become certain angle and treat human tissue, thereby will drive outer tube and interior sleeve pipe optional packing drive with interior sleeve pipe connection's drive external member and drive internal member rotate like this, can lead to the threaded connection between drive external member and the drive internal member not hard up or even drop, lead to the closed inefficacy of centre gripping of supersound tool bit crop to human tissue, cause the operation risk.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide an supersound tool bit drive coupling assembling.
The utility model discloses a realize through following technical scheme:
the utility model provides an supersound tool bit drive coupling assembling, includes interior sleeve pipe, set up in interior sleeve pipe one end and with interior sleeve pipe sliding connection's outer tube, setting are in the interior sleeve pipe is kept away from outward the drive connection sub-assembly of outer tube one end, drive connection sub-assembly including set up in interior sleeve pipe outside and with interior sleeve pipe joint's drive internal member, set up in drive internal member outside and with the drive external member of drive internal member joint, and set up in elasticity subassembly on the drive external member external ring face.
Preferably, a first boss is arranged at one end, close to the outer sleeve, of the driving outer sleeve part, a second boss is arranged at one end, far away from the outer sleeve, of the driving inner sleeve part, the elastic component comprises a driving front claw, a front wave spring, a driving rear claw and a rear wave spring which are sequentially arranged between the first boss and the second boss, an extending claw is arranged on the driving front claw, a contact end piece is arranged on the rear wave spring, the extending claw is in contact assembly with the first boss, and the contact end piece on the rear wave spring is in contact assembly with the second boss.
Preferably, a first buckle is arranged at one end of the drive inner sleeve piece, which is far away from the second boss, and a first clamping groove adapted to the first buckle is arranged at the inner side of the first boss on the drive outer sleeve piece.
Preferably, a second buckle is arranged in the middle of the driving inner sleeve, and a second clamping groove adapted to the second buckle is arranged on the inner sleeve.
The utility model has the advantages that:
the driving inner sleeve and the driving outer sleeve are realized through the axially moving buckles, so that no rotating friction force exists in the process, and the assembly of the driving inner sleeve and the driving outer sleeve only needs to resist the pre-pressure of the elastic component, thereby ensuring the smooth assembly between the driving inner sleeve and the driving outer sleeve and avoiding the phenomenon of difficult assembly; meanwhile, the relative rotation between the driving inner sleeve and the driving outer sleeve has no influence on the internal connection of the driving connection assembly, so that the connection between the driving inner sleeve and the driving outer sleeve is prevented from falling off, and the clamping closing failure of the ultrasonic cutter head to human tissues can be avoided, thereby causing operation risks.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the elastic component of the present invention.
In the figure: 1. the driving mechanism comprises an outer sleeve, 2, an inner sleeve, 3, a driving inner sleeve, 4, a driving outer sleeve, 5, a first boss, 6, a second boss, 7, a driving front claw, 8, a front wave spring, 9, a driving rear claw, 10, a rear wave spring, 11, a contact end piece, 12, an extending claw, 13, a first buckle, 14, a first clamping groove, 15, a second buckle and 16, a second clamping groove.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, an supersound tool bit drive coupling assembling, including interior sleeve pipe 2, set up in interior sleeve pipe 2 one end and with interior sleeve pipe 2 sliding connection's outer tube 1, setting are in interior sleeve pipe 2 keeps away from outward the drive connection sub-assembly of 1 one end of outer tube, drive connection sub-assembly including set up in interior sleeve pipe 2 outside and with interior sleeve pipe 2 joint drive internal member 3, set up in the drive external member 3 outside and with the drive external member 4 of the 3 joints of drive internal member, and set up in elasticity subassembly on the outer anchor ring of drive external member 4. Be convenient for the external member in the drive with the outer sleeve member of drive passes through joint fixed connection, avoids the connection between the external member of drive internal member and the outer sleeve member of drive to drop.
Preferably, a first boss 5 is arranged at one end of the driving outer sleeve part 4 close to the outer sleeve 1, a second boss 6 is arranged at one end of the driving inner sleeve part 3 far away from the outer sleeve 2, the elastic component comprises a driving front claw 7, a front wave spring 8, a driving rear claw 9 and a rear wave spring 10 which are sequentially arranged between the first boss 5 and the second boss 6, an extending claw 12 is arranged on the driving front claw 7, a contact end part 11 is arranged on the rear wave spring 10, the extending claw 12 is in contact assembly with the first boss 5, and the contact end part 11 on the rear wave spring 10 is in contact assembly with the second boss 6. The assembly of the driving inner sleeve piece 3 and the driving outer sleeve piece 4 is facilitated, and the phenomenon of difficult assembly is avoided.
Preferably, a first catch 13 is provided on the end of the drive inner sleeve 3 remote from the second boss 6, and a first catch 14 adapted to the first catch 13 is provided on the drive outer sleeve 4 inside the first boss 5. The assembly of the drive inner sleeve 3 and the drive outer sleeve 4 under the action of the first catch 13 and the first catch groove 14 is facilitated.
Preferably, a second snap 15 is arranged in the middle of the driving inner sleeve 3, and a second snap groove 16 adapted to the second snap 15 is arranged on the inner sleeve 2. Facilitating the snap-fit assembly between the drive connection assembly and the inner sleeve 2.
During operation, the driving front claw 7, the front wave spring 8, the driving rear claw 9 and the rear wave spring 10 are sequentially assembled on the outer annular surface of the driving outer sleeve member 4, so that the extending claws 12 are assembled with the first bosses 5 in a contact manner, the driving inner sleeve member 3 is assembled on the inner annular surface of the driving outer sleeve member 4, so that the second bosses 6 on the driving inner sleeve member 3 are assembled with the contact end members 11 on the rear wave springs 10 in a contact manner, the driving inner sleeve member 3 moves relative to the driving outer sleeve member 4 in the direction of the first bosses 5, the second bosses 6 on the driving inner sleeve member 3 overcome the elastic force of the elastic members to drive the driving inner sleeve member 3 to move in the direction of the first bosses 5 until the first buckles 13 on the driving inner sleeve member 3 are assembled in the first clamping grooves 14, and the assembly of the driving inner sleeve member 3 and the driving outer sleeve member 4 is ensured to be assembled, and meanwhile, a second buckle 15 on the driving inner sleeve 3 is assembled in a second clamping groove 16 on the inner sleeve, so that the tool bit assembly of the ultrasonic knife is completed.
The assembly of the driving inner sleeve and the driving outer sleeve is realized through the axially moving buckles, no rotating friction force exists in the process, and the assembly of the driving inner sleeve and the driving outer sleeve only needs to resist the pre-pressure of the elastic component, so that the smooth assembly between the driving inner sleeve and the driving outer sleeve is ensured, and the phenomenon of difficult assembly is avoided; meanwhile, the relative rotation between the driving inner sleeve and the driving outer sleeve has no influence on the internal connection of the driving connection assembly, so that the connection between the driving inner sleeve and the driving outer sleeve is prevented from falling off, and the clamping closing failure of the ultrasonic cutter head to human tissues can be avoided, thereby causing operation risks.
The foregoing 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 decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. An ultrasonic tool bit drive connection assembly, comprising: including interior sleeve pipe, set up in interior sleeve pipe one end and with interior sleeve pipe sliding connection's outer tube, setting are in the interior sleeve pipe is kept away from outward the drive connection sub-assembly of outer tube one end, the drive connection sub-assembly including set up in interior sleeve pipe outside and with interior sleeve pipe joint's drive internal member, set up in the drive external member outside and with the drive external member of drive internal member joint, and set up in elasticity subassembly on the outer anchor ring face of drive external member.
2. An ultrasonic blade drive connection assembly according to claim 1, wherein: the elastic component comprises a driving front claw, a front wave spring, a driving rear claw and a rear wave spring which are sequentially arranged between the first boss and the second boss, wherein an extending claw is arranged on the driving front claw, a contact end piece is arranged on the rear wave spring, the extending claw is in contact assembly with the first boss, and the upper contact end piece of the rear wave spring is in contact assembly with the second boss.
3. An ultrasonic blade drive connection assembly according to claim 2, wherein: and a first buckle is arranged at one end of the drive inner sleeve piece, which is far away from the second boss, and a first clamping groove matched with the first buckle is arranged at the inner side of the first boss on the drive outer sleeve piece.
4. An ultrasonic blade drive connection assembly according to any one of claims 1-3, wherein: and a second buckle is arranged in the middle of the driving inner sleeve, and a second clamping groove matched with the second buckle is arranged on the inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022908329.1U CN214157454U (en) | 2020-12-07 | 2020-12-07 | Ultrasonic cutter head driving and connecting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022908329.1U CN214157454U (en) | 2020-12-07 | 2020-12-07 | Ultrasonic cutter head driving and connecting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214157454U true CN214157454U (en) | 2021-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022908329.1U Active CN214157454U (en) | 2020-12-07 | 2020-12-07 | Ultrasonic cutter head driving and connecting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214157454U (en) |
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2020
- 2020-12-07 CN CN202022908329.1U patent/CN214157454U/en active Active
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