CN218747718U - Front end component of mechanical arm of surgical robot - Google Patents
Front end component of mechanical arm of surgical robot Download PDFInfo
- Publication number
- CN218747718U CN218747718U CN202223117943.1U CN202223117943U CN218747718U CN 218747718 U CN218747718 U CN 218747718U CN 202223117943 U CN202223117943 U CN 202223117943U CN 218747718 U CN218747718 U CN 218747718U
- Authority
- CN
- China
- Prior art keywords
- positioning hole
- threaded
- arm front
- mechanical arm
- registration plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The application discloses a surgical robot mechanical arm front end assembly, which comprises a registration plate assembly and a mechanical arm front end holder which are movably connected, wherein the front end of the registration plate assembly is provided with a first threaded positioning hole which penetrates through the registration plate assembly, the front end of the mechanical arm front end holder is provided with a second threaded positioning hole which does not penetrate through the mechanical arm front end holder and corresponds to the first threaded positioning hole, and a screw penetrates through the first threaded positioning hole to enter the second threaded positioning hole to movably connect the registration plate assembly and the mechanical arm front end holder; and a plurality of third positioning holes are formed in two sides of the first threaded positioning hole, a plurality of fourth positioning holes are formed in two sides of the second threaded positioning hole corresponding to the third positioning holes, and the third positioning holes and the fourth positioning holes are connected through pins. The registration plate assembly and the mechanical arm front end holder are movably connected through screws and are matched with a plurality of pins for positioning, fastening is achieved, the repeated installation accuracy of the registration plate assembly can reach 0.1mm through measurement, the screws cannot fall off, and a doctor does not need to frequently find the screws during operation.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a front end assembly of a mechanical arm of a surgical robot.
Background
With the rapid development of medical technology, a surgical robot is used as an auxiliary tool for doctors during surgery to perform a plurality of surgical actions, a registration plate assembly of a front end assembly of a mechanical arm is used as a part of an execution assembly, and as the registration plate assembly needs to be disassembled and assembled for many times to determine the optical positioning of each part of a system in a surgical navigation process, the system precision is influenced by frequent disassembly and assembly of the registration plate assembly, and the system precision plays an important role in surgery, the technical problem that how to ensure the stability and precision of the system after the registration plate assembly is disassembled and assembled frequently is necessary to be solved.
Disclosure of Invention
The application provides a surgical robot arm front end assembly, can improve the stability and the precision of the system after the frequent dismouting of surgical robot registration plate subassembly.
The technical scheme adopted by the application for solving the technical problem is as follows: there is provided a surgical robotic arm front end assembly comprising: the device comprises a registration plate assembly and a mechanical arm front end holder which are movably connected, wherein a first threaded positioning hole penetrating through the registration plate assembly is formed in the front end of the registration plate assembly, a second threaded positioning hole which does not penetrate through the mechanical arm front end holder is formed in the front end of the mechanical arm front end holder corresponding to the first threaded positioning hole, and a screw penetrates through the first threaded positioning hole and enters the second threaded positioning hole to movably connect the registration plate assembly and the mechanical arm front end holder; and a plurality of third positioning holes are formed in two sides of the first threaded positioning hole, a plurality of fourth positioning holes are formed in two sides of the second threaded positioning hole corresponding to the third positioning holes, and the third positioning holes are connected with the fourth positioning holes through pins.
The registration plate assembly is movably connected with the mechanical arm front end holder through the screw which penetrates through the first threaded positioning hole and enters the second threaded positioning hole, the registration plate assembly is very fastened, the screw does not penetrate through the mechanical arm front end holder, the strength of the mechanical arm front end holder is guaranteed, the registration plate assembly is matched with a plurality of pins for positioning, the repeated installation accuracy of the registration plate assembly can reach 0.1mm through testing, the screw cannot fall off, and a doctor does not need to frequently find the screw during operation.
Preferably, the upper aperture of the second thread positioning hole is larger than the lower aperture, and the inner side of the lower part is provided with threads.
Preferably, the upper part of the rod body of the screw is smoothly arranged, the lower part of the rod body is provided with threads.
Preferably, the two third positioning holes are symmetrically arranged on two sides of the first threaded positioning hole at equal intervals, two fourth positioning holes are arranged on two sides of the second threaded positioning hole corresponding to the third positioning holes, and the third positioning holes are connected with the fourth positioning holes through pins.
Preferably, one of the two fourth positioning holes is arranged in a circular shape, and the other one of the two fourth positioning holes is arranged in an oblong shape.
Preferably, the pin bottom is tapered.
The substantial effects of the application are as follows:
1. the registration plate assembly is movably connected with the front end holder of the mechanical arm through the first threaded positioning hole and the second threaded positioning hole by the aid of the screws, the registration plate assembly is very tightly fastened, the screws do not penetrate through the front end holder of the mechanical arm, strength of the front end holder of the mechanical arm is guaranteed, the registration plate assembly is positioned by the aid of a plurality of pins, repeated installation accuracy of the registration plate assembly can reach 0.1mm through testing, the screws cannot fall off, and a doctor does not need to frequently find the screws during operation;
2. the upper aperture of the second thread positioning hole is larger than the lower aperture, and the inner side of the lower part is provided with threads, so that the fastening is ensured and the installation is convenient;
3. through designing into different sizes with two fourth locating holes, can prevent to operate the difficulty because of interfering when the dismouting.
Drawings
FIG. 1 front arm of surgical robot of the present application a perspective view of one embodiment of an end assembly;
FIG. 2 is a cross-sectional view of one embodiment of a surgical robotic arm front end assembly.
In the figure: 1. registration plate assembly, 11, first threaded positioning hole, 12, third positioning hole, 2, mechanical arm front end holder, 21, second threaded positioning hole, 22, fourth positioning hole.
Detailed Description
The technical solution of the present application will be further specifically described below by way of specific examples.
Example one
As shown in fig. 1-2, an embodiment of a surgical robotic arm front end assembly according to the present application, in this embodiment, comprises: the device comprises a registration plate assembly 1 and a mechanical arm front end holder 2 which are movably connected, wherein a first threaded positioning hole 11 penetrating through the registration plate assembly is formed in the front end of the registration plate assembly 1, a second threaded positioning hole 21 which does not penetrate through the mechanical arm front end holder 2 is formed in the front end of the mechanical arm front end holder 2 corresponding to the first threaded positioning hole 11, and a screw 3 penetrates through the first threaded positioning hole 11 to enter the second threaded positioning hole 21 so as to movably connect the registration plate assembly 1 with the mechanical arm front end holder 2; registration plate subassembly 1 and arm front end holder 2 swing joint are very fastened through screw 3, and screw 3 does not pass arm front end holder 2, has guaranteed arm front end holder 2's intensity, and screw 3 can not drop, need not frequently look for screw 3 during doctor's operation, and first screw thread locating hole 11 both sides are equipped with a plurality of third locating holes 12, second screw thread locating hole 21 both sides are equipped with a plurality of fourth locating holes 22 corresponding to third locating hole 12, and third locating hole 12 and fourth locating hole 22 pass through pin joint, and screw 3 cooperates a plurality of pins to realize can improving positioning accuracy when fastening, and through the test, registration plate subassembly 1 repeated installation accuracy of this design can reach 0.1mm.
Example two
As shown in fig. 1-2, the front end assembly of the robot arm of the surgical robot comprises a movably connected registration plate assembly 1 and a front end holder 2 of the robot arm, wherein the front end of the registration plate assembly 1 is provided with a first threaded positioning hole 11 penetrating through the registration plate assembly, the front end of the front end holder 2 of the robot arm is provided with a second threaded positioning hole 21 corresponding to the first threaded positioning hole 11 and not penetrating through the front end holder 2 of the robot arm, and a screw 3 penetrates through the first threaded positioning hole 11 and enters the second threaded positioning hole 21 to movably connect the registration plate assembly 1 and the front end holder 2 of the robot arm; the upper hole diameter of the second threaded positioning hole 21 is larger than the lower hole diameter, threads are arranged on the inner side of the lower portion, the upper portion of the rod body of the screw 3 is arranged smoothly, threads are arranged on the lower portion of the rod body, when the screw 3 is installed, the upper portion of the rod body of the screw 3 is arranged smoothly, the upper hole diameter of the second threaded positioning hole 21 is matched with the lower hole diameter to enable the screw 3 to be installed and removed more quickly while stable connection is guaranteed, the screw 3 does not penetrate through the front end holder 2 of the mechanical arm, the strength of the front end holder 2 of the mechanical arm is guaranteed, the screw 3 does not fall off, a doctor does not need to frequently find the screw 3 during operation, a plurality of third positioning holes 12 are formed in the two sides of the first threaded positioning hole 11, a plurality of fourth positioning holes 22 are formed in the two sides of the second threaded positioning hole 21 and correspond to the third positioning holes 12, the third positioning holes 12 are connected with the fourth positioning holes 22 through pins, the screw 3 is matched with a plurality of pins to achieve fastening, positioning accuracy can be improved, and through testing, and repeated installation accuracy of the registration plate assembly 1 can reach 0.1mm.
EXAMPLE III
As shown in fig. 1-2, in an embodiment of the front end assembly of the robotic arm of the surgical robot of the present application, the front end assembly of the robotic arm includes a movably connected registration plate assembly 1 and a front end holder 2 of the robotic arm, the front end of the registration plate assembly 1 is provided with a first threaded positioning hole 11 penetrating through the registration plate assembly, the front end of the front end holder 2 of the robotic arm is provided with a second threaded positioning hole 21 not penetrating through the front end holder 2 of the robotic arm corresponding to the first threaded positioning hole 11, a screw 3 penetrates through the first threaded positioning hole 11 and enters the second threaded positioning hole 21 to movably connect the registration plate assembly 1 with the front end holder 2 of the robotic arm, the registration plate assembly 1 and the front end holder 2 of the robotic arm are movably connected by the screw 3, so as to be fastened, and the screw 3 does not penetrate through the front end holder 2 of the robotic arm, so as to ensure the strength of the front end holder 2 of the robotic arm, and the screw 3 does not fall off, a doctor does not need to frequently find the screw 3 during operation, further, two third positioning holes 12 are symmetrically disposed at equal intervals on two sides of the first threaded positioning hole 11, and two tapered positioning holes 22 are disposed on two sides, and the bottom of the tapered positioning hole 22, so as to improve the mounting accuracy of the tapered positioning hole, and the tapered pin is more difficult to install the tapered pin, and the tapered pin, the tapered pin is further, the tapered pin, and the tapered pin is not to improve the tapered pin.
The above-described embodiments are merely preferred and not intended to limit the present application in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A surgical robotic arm front end assembly, comprising: the device comprises a registration plate assembly (1) and a mechanical arm front end holder (2) which are movably connected, wherein a first threaded positioning hole (11) penetrating through the registration plate assembly (1) is formed in the front end of the registration plate assembly (1), a second threaded positioning hole (21) which does not penetrate through the mechanical arm front end holder (2) is formed in the front end of the mechanical arm front end holder (2) corresponding to the first threaded positioning hole (11), and a screw (3) penetrates through the first threaded positioning hole (11) to enter the second threaded positioning hole (21) to movably connect the registration plate assembly (1) and the mechanical arm front end holder (2);
a plurality of third positioning holes (12) are formed in two sides of the first threaded positioning hole (11), a plurality of fourth positioning holes (22) are formed in two sides of the second threaded positioning hole (21) corresponding to the third positioning holes (12), and the third positioning holes (12) are connected with the fourth positioning holes (22) through pins.
2. The surgical robotic arm front end assembly according to claim 1, wherein the second threaded alignment hole (21) has an upper bore diameter larger than a lower bore diameter, and a lower inner side provided with threads.
3. The surgical robotic arm front end assembly according to claim 1, wherein the screw (3) has a smooth upper shank portion and a threaded lower shank portion.
4. The surgical robot arm front end assembly according to claim 1, characterized in that two third positioning holes (12) are symmetrically arranged on both sides of the first threaded positioning hole (11) at equal intervals, two fourth positioning holes (22) are arranged on both sides of the second threaded positioning hole (21) corresponding to the third positioning holes (12), and the third positioning holes (12) and the fourth positioning holes (22) are connected by pins.
5. The surgical robotic arm front end assembly according to claim 4, wherein said two fourth alignment holes (22) are one circularly disposed and one oblong disposed.
6. A surgical robotic arm front end assembly according to claim 1, wherein the pin base is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223117943.1U CN218747718U (en) | 2022-11-23 | 2022-11-23 | Front end component of mechanical arm of surgical robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223117943.1U CN218747718U (en) | 2022-11-23 | 2022-11-23 | Front end component of mechanical arm of surgical robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218747718U true CN218747718U (en) | 2023-03-28 |
Family
ID=85650517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223117943.1U Active CN218747718U (en) | 2022-11-23 | 2022-11-23 | Front end component of mechanical arm of surgical robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218747718U (en) |
-
2022
- 2022-11-23 CN CN202223117943.1U patent/CN218747718U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070187909A1 (en) | Clamping Apparatus | |
| JP2002031649A (en) | Interchangeable probe chip holder for measuring probe head and high-frequency probe head | |
| CN218747718U (en) | Front end component of mechanical arm of surgical robot | |
| TW201835578A (en) | Jig | |
| JP2002107422A (en) | Inspection jig and method for inspection | |
| US10184955B2 (en) | Probe supporting and aligning apparatus | |
| TW201840984A (en) | Probe holder and probe unit | |
| CN113081159A (en) | Marking nail for osteotomy | |
| CN111166483B (en) | Surgical robot surgical instrument quick-change mechanism | |
| CN210923789U (en) | Probe needle cover sleeving tool | |
| CN219042784U (en) | Supporting and positioning device | |
| US5898313A (en) | Test fixture for two sided circuit boards | |
| CN219810419U (en) | Detection mechanism | |
| CN210476977U (en) | Clamping and replacing connecting seat structure of multi-directional flange of manipulator | |
| US5334043A (en) | Test fixture for electronic components | |
| CN209632552U (en) | A kind of eccentric screw fixture | |
| CN112213533A (en) | Needle stand structure and test fixture adopting same | |
| CN214666746U (en) | Novel measuring pin for measuring coaxiality of deep hole | |
| JP4490247B2 (en) | Circuit board testing equipment | |
| CN212379550U (en) | Probe calibrating device | |
| CN218349361U (en) | Hole detection jig | |
| CN219714427U (en) | Test fixture capable of checking aperture and repairing burrs | |
| JP2007245316A (en) | Workpiece positioning device | |
| CN220481506U (en) | Electric mechanism test universal fixture | |
| CN218156093U (en) | Bearing parallel difference testing tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |