CN201542754U - Quick switching device for end tools of mechanical arm - Google Patents
Quick switching device for end tools of mechanical arm Download PDFInfo
- Publication number
- CN201542754U CN201542754U CN2009202571596U CN200920257159U CN201542754U CN 201542754 U CN201542754 U CN 201542754U CN 2009202571596 U CN2009202571596 U CN 2009202571596U CN 200920257159 U CN200920257159 U CN 200920257159U CN 201542754 U CN201542754 U CN 201542754U
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- spring
- interior axle
- arm
- switching device
- steel ball
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Abstract
The utility model discloses a quick switching device for end tools of a mechanical arm, which comprises an end handle, an inner shaft, an end tool connector and end tools. The upper part of the inner shaft is fixedly connected with the end handle. The lower part of the inner shaft is connected with a spring supporting disc. A spring pressure plate is provided above the spring supporting plate. A compression spring is provided between the spring supporting plate and the spring pressure plate. A plurality of holes are provided at the circumferential positions of the lower inner chamber of the inner shaft. Steel balls are provided in the holes. The steel balls contact the inner conical surface of the spring pressure plate. Two sides of the upper part of the end tool connector are provided with arc grooves which are matched with the arcs of the steel balls. The end tool connector is assembled in the lower inner chamber of the inner shaft through the matching of the arc grooves and the steel balls. The end tools are fixed to the end tool connector through a welding mode or riveting mode. The quick switching device for end tools of a mechanical arm has the advantages of simple structure, convenient operation, small volume, compact structure, light weight, reliable connection, quick switching speed, etc.
Description
Technical field
This utility model relates to switching device shifter, especially relates to a kind of clamping and quick-replaceable switching device shifter that is used for the terminal operation tool of Minimally Invasive Surgery mechanical arms such as surgery.
Background technology
In micro-wound surgical operation, need several assistants firmly to strut otch, to push the inner internal organs of patient aside, but, we know that the surgical operation time is generally all long, and surgical staff is very easily tired, and it is not in place to be easy to cause otch to strut, can not the inner internal organs of fine isolation and the situation of focus, to such an extent as to can have a strong impact on doctor's surgical field of view and operation.Therefore, in micro-wound surgical operation, can adopt operation Aided Machine arm to come the assisted surgery doctor to finish micro-wound surgical operation, surgical operation Aided Machine arm is mainly used in auxiliary doctor and struts otch, to solve the fatigable problem of manual operation, have above-mentioned advantage just because of surgical operation Aided Machine arm, its potential applicability in clinical practice is very extensive.
But, in doctor's operation process, mechanical arm as auxiliary doctor's operation, often need repeatedly to switch terminal aid, and each time of switching also needs very short, so that the doctor can in time successfully finish operation, this just requires the switching of finishing of operating theater instruments energy simple and fast, and can fix fast, and in the existing mechanical arm system, much all be to adopt the different operating theater instruments of a plurality of mechanical arm clampings, if desired in same operation, at any time change different operating theater instruments and carry out different operations, just need to change whole mechanical arm, can increase system cost greatly like this.In addition, at some end-of-arm tooling switching device shifters of the same mechanical arm of existing employing, mostly exist to switch trouble, switching time long, connect problems such as unreliable, greatly influenced doctor perform the operation quality and effect.
The utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model be to provide a kind of simple and compact for structure, volume is little, in light weight, connect reliable, fast, the easy to operate rapid switching device for end of arm tool (EOAT) of switch speed.
This utility model is achieved through the following technical solutions:
A kind of rapid switching device for end of arm tool (EOAT), it is characterized in that: comprise end hand grip, interior axle, end-of-arm tooling connector and end-of-arm tooling, wherein, the bottom of end hand grip is provided with endoporus, the top of interior axle is deep in the endoporus of end hand grip, fixedly connected with end hand grip, and the bottom of interior axle is connected with the spring supporting disk, the top of spring supporting disk is the spring platen, the medial surface of spring platen is a taper surface, be provided with the compression spring between spring supporting disk and the spring platen, and have inner chamber in the middle part, bottom of interior axle, the circumferential position of inner chamber is provided with a plurality of bellmouths, its outer wall aperture is greater than the inwall aperture, steel ball is housed in the hole, the diameter of steel ball is then less than above-mentioned outer wall aperture and greater than above-mentioned inwall aperture, steel ball contacts with the medial surface of spring platen, the both sides, top of end-of-arm tooling connector then are provided with the arc groove that cooperates with the arc of described steel ball, the end-of-arm tooling connector is promptly by being assemblied in its arc groove and cooperating of steel ball the interior intracavity of interior axle (2) lower end, fixedly connected with interior axle, end-of-arm tooling is then by welding or riveted and fixed endways on the tool connection.
The both sides of the inner chamber of above-mentioned interior axle bottom also are symmetrically arranged with axle square groove in two, then are provided with the straight pin that matches with interior axle square groove endways on the tool connection, and two symmetric in distance between the axle square groove identical with the length of straight pin.
Above-mentioned bellmouth is a plurality of, and circumferentially uniform.
The beneficial effects of the utility model are: operation rapid switching device for end of arm tool (EOAT) described in the utility model have simple in structure, easy to operate, volume is little, compact conformation, in light weight, connect advantages such as reliable, that switch speed is fast, can realize being used for Minimally Invasive Surgery mechanical arms such as thoracic surgery, dentistry, abdomen surgery a series of terminal operation tools clamping with change fast, in addition, this utility model is because be easy to dismounting, so very convenient in disinfection.
Description of drawings
Fig. 1 is the disengaged condition sketch map of this utility model one embodiment;
Fig. 2 is the working state schematic representation of this utility model one embodiment.
Main Reference numeral implication is among the figure:
1, end hand grip 2, interior axle top 3, steel ball 4, spring platen
5, compression spring 6, spring supporting disk 7, interior axle bottom
8, the spring platen conical surface 9, interior axle square groove 10, arc groove 11, straight pin
12, end-of-arm tooling connector 13, end-of-arm tooling
The specific embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of the present utility model in detail:
Fig. 1 is the disengaged condition sketch map of this utility model one embodiment; Fig. 2 is the working state schematic representation of this utility model one embodiment.
As depicted in figs. 1 and 2: a kind of rapid switching device for end of arm tool (EOAT), comprise end hand grip 1, interior axle 2, end-of-arm tooling connector 12 and end-of-arm tooling 13, wherein, end hand grip 1 top is connected with mechanical arm is terminal, its underpart is provided with endoporus, the top of interior axle 2 is deep in the endoporus of end hand grip 1, fixedly connected with end hand grip 1, and the bottom of interior axle 2 is connected with spring supporting disk 6.
In addition, the top of above-mentioned spring supporting disk 6 is spring platen 5, be provided with compression spring 5 between spring supporting disk 6 and the spring platen 4, compression spring 5 is in compressed state, middle part, bottom at interior axle 2 has inner chamber, and the circumferential position of inner chamber is provided with a plurality of bellmouths, and the outer wall aperture of bellmouth is greater than the inwall aperture, a steel ball 3 is housed in each hole, and the diameter of steel ball 3 is then less than above-mentioned outer wall aperture and greater than above-mentioned inwall aperture.Steel ball 3 contacts with the medial surface of spring platen 5 simultaneously, and the medial surface of spring platen 5 is a taper surface 8.
The both sides, top of end-of-arm tooling connector 12 are provided with the arc groove 10 that cooperates with the arc of above-mentioned steel ball 3, end-of-arm tooling connector 12 is promptly by being assemblied in its arc groove 10 and cooperating of steel ball 3 the interior intracavity of interior axle 2 lower ends, fixedly connected with interior axle, thereby make the end-of-arm tooling connector not move downward, realize by welding or the riveted and fixed axial location of the end-of-arm tooling 13 on the tool connection 12 endways.
The both sides of the inner chamber of above-mentioned interior axle 2 bottoms also are symmetrically arranged with axle square groove 9 in two, then be provided with the straight pin 11 that matches with interior axle square groove 9 endways on the tool connection 12, and two symmetric in distance between the axle square groove 9 identical with the length of straight pin 11.
The novel work process of this use is as follows:
Loading procedure: at first with above-mentioned spring platen 4 to pressing down, compression spring 5 is compressed, the diameter of a circle at the some place that the taper surface 8 of spring platen 4 contacts with steel ball 3 becomes increasing, make steel ball 3 withdraw from the bellmouth of interior axle 2 bottoms, with end-of-arm tooling connector 12 together with end-of-arm tooling 13 pack in the axle 2 bottoms inner chamber in, then, trip spring platen 4, compressed compression spring 5 has produced a support force that makes progress, supporting spring platen 4, can produce component on the taper surface 8 of spring platen 4 to the axle center, steel ball 3 is headed in the bellmouth of interior axle 2 bottoms, and steel ball 3 is entered in the arc groove 10 once more, thereby make end-of-arm tooling connector 12 not move downward, realized the axial location of end-of-arm tooling 13, in addition, because the straight pin on the end-of-arm tooling connector 12 11 is realized reliable fit with interior axle square groove 9 in the process of assembling, make end-of-arm tooling connector 12 not rotate, thereby realized the circumferential location of end-of-arm tooling 13 around the axle center.
Take off process: to pressing down, compression spring 5 is compressed with spring platen 4, and steel ball 3 withdraws from arc groove 10, and end-of-arm tooling connector 12 just can be removed together with end-of-arm tooling 13.
Can realize the switching of mechanical arm end-of-arm tooling quickly and easily by above process.
Below disclose this utility model with preferred embodiment, so it is not in order to restriction this utility model, and all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within the protection domain of the present utility model.
Claims (4)
1. rapid switching device for end of arm tool (EOAT), it is characterized in that: comprise end hand grip (1), interior axle (2), end-of-arm tooling connector (12) and end-of-arm tooling (13), wherein, the bottom of end hand grip (1) is provided with endoporus, the top of interior axle (2) is deep in the endoporus of end hand grip (1), fixedly connected with end hand grip (1), and the bottom of interior axle (2) is connected with spring supporting disk (6), the top of spring supporting disk (6) is spring platen (4), the medial surface of spring platen (4) is taper surface (8), be provided with compression spring (5) between spring supporting disk (6) and the spring platen (4), and have inner chamber in the middle part, bottom of interior axle (2), the circumferential position of inner chamber is provided with a plurality of bellmouths, its outer wall aperture is greater than the inwall aperture, steel ball (3) is housed in the hole, the diameter of steel ball (3) is then less than above-mentioned outer wall aperture and greater than above-mentioned inwall aperture, steel ball (3) contacts with the medial surface of spring platen (4), the both sides, top of end-of-arm tooling connector (12) then are provided with the arc groove (10) that cooperates with the arc of described steel ball (3), end-of-arm tooling connector (12) is promptly by being assemblied in its arc groove (10) and cooperating of steel ball (3) the interior intracavity of interior axle (2) lower end, fixedly connected with interior axle, end-of-arm tooling (13) is then by welding or riveted and fixed endways on the tool connection (12).
2. a kind of rapid switching device for end of arm tool (EOAT) according to claim 1, it is characterized in that: the both sides of the inner chamber of axle (2) bottom also are symmetrically arranged with axle square groove (9) in two in described, then are provided with the straight pin (11) that matches with interior axle square groove (9) endways on the tool connection (12).
3. a kind of rapid switching device for end of arm tool (EOAT) according to claim 2 is characterized in that: the distance between described two symmetric interior axle square grooves (9) is identical with the length of straight pin (11).
4. a kind of rapid switching device for end of arm tool (EOAT) according to claim 1 is characterized in that: described bellmouth is a plurality of, and circumferentially uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202571596U CN201542754U (en) | 2009-11-03 | 2009-11-03 | Quick switching device for end tools of mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202571596U CN201542754U (en) | 2009-11-03 | 2009-11-03 | Quick switching device for end tools of mechanical arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201542754U true CN201542754U (en) | 2010-08-11 |
Family
ID=42597912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202571596U Expired - Fee Related CN201542754U (en) | 2009-11-03 | 2009-11-03 | Quick switching device for end tools of mechanical arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201542754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697929B (en) * | 2009-11-03 | 2011-04-27 | 昆山市工业技术研究院有限责任公司 | Rapid switching device for end of arm tool (EOAT) |
-
2009
- 2009-11-03 CN CN2009202571596U patent/CN201542754U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697929B (en) * | 2009-11-03 | 2011-04-27 | 昆山市工业技术研究院有限责任公司 | Rapid switching device for end of arm tool (EOAT) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20111103 |