CN203023326U - Quick connector of motor handle and front-end tool for surgery - Google Patents
Quick connector of motor handle and front-end tool for surgery Download PDFInfo
- Publication number
- CN203023326U CN203023326U CN 201220631869 CN201220631869U CN203023326U CN 203023326 U CN203023326 U CN 203023326U CN 201220631869 CN201220631869 CN 201220631869 CN 201220631869 U CN201220631869 U CN 201220631869U CN 203023326 U CN203023326 U CN 203023326U
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- China
- Prior art keywords
- transmission shaft
- connecting sleeve
- socket
- steel ball
- rotation set
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a quick connector of a motor handle transmission shaft and a front-end tool for a surgery. The quick connector of the motor handle transmission shaft and the front-end tool for the surgery comprises a plug and a socket, wherein the transmission shaft of a motor handle serves as the plug, the whole composed of a connecting sleeve, an inner rotation sleeve and an outer rotation sleeve serves as the socket, a connecting mechanism which is capable of enabling the socket to do synchronous rotation along with the transmission shaft is arranged between the connecting sleeve of the socket and the transmission shaft, the inner rotation sleeve is driven through the inner rotation sleeve to rotate, two positioning protrusions of the inner rotation sleeve are enabled to be correspondingly joint with a pair of locked positioning grooves located on the middle portion of the connecting sleeve, then steel balls of the connecting sleeve is correspondingly joint with circular grooves of the transmission shaft of the motor handle, and at the moment, the socket of the quick connector is fixedly connected with the transmission shaft of the motor handle which is the plug. The quick connector has the advantages of being convenient and rapid to use and accurate and stable in positioning. Meanwhile, due to the fact that two-stage opening reducing sleeves are adopted in the socket, radial wobble of the front-end tool can be effectively avoided.
Description
Technical field
The utility model belongs to mechanical connecting structure, particularly relates to a kind of ready-packaged joint of perform the operation electricity consumption cleaner handgrip and front end tool.
Background technique
Operation miniature power operating theater instruments comprises reciprocating saw, reciprocating saw, reciprocating file etc., its portion of the handle is commonly referred to the motor handle, the motor handle is provided with the transmission shaft that is connected with motor shaft, is mounted on the straight line saw blade of motor handle transmission shaft, fan-shaped saw blade, reciprocal plain file etc. and is commonly referred to front end tool.
In known technology, the most common motor handle transmission shaft and being connected of front end tool are generally to consist of by the three-pawl type chuck of transmission shaft and locking nut, and the front end tool corresponding with it arranges cylindrical clamping part.
There is the easily loosening and relatively poor defective of locating effect of front end tool in above-mentioned three-pawl type chuck.
Also have a kind of common motor handle transmission shaft and the linkage structure of front end tool, elastic draw hook and the corresponding draw-in groove that arranges of front end tool by the transmission shaft setting consist of, the draw-in groove that breaks away from front end tool during so-called elastic draw hook retraction, the retraction of elastic draw hook is realized by pressing the hand button.
There is the defective that the front end tool locating effect is relatively poor and radially wobble in above-mentioned front end tool linkage structure.
Summary of the invention
The utility model is the technical problem that exists in order to solve said motor handle transmission shaft and front end tool linkage structure, and propose a kind of front end tool accurate positioning, fixing reliably with the ready-packaged joint that is connected perform the operation fast electricity consumption cleaner handgrip transmission shaft and front end tool.
the utility model is taked following technological scheme for achieving the above object: this ready-packaged joint comprises motor handle and transmission shaft thereof, feature is, this ready-packaged joint is plug by the transmission shaft of motor handle, by connecting sleeve, the integral body that interior rotation set and outer rotation set consist of is socket, the connecting sleeve front end of described socket is arranged with the steel ball hugging that the bottom is communicated with the connecting sleeve inboard, be provided with steel ball in the steel ball hugging, transmission shaft is provided with the annular groove corresponding with steel ball, described connecting sleeve intermediate portion is provided with four grooves that distribute as the radial symmetric of benchmark take arbitrary steel ball hugging position, wherein a symmetrical groove is the lock in place groove, another symmetrical grooves is the positioning groove of unblanking, the connecting sleeve intermediate portion of four groove rear sides is provided with the screw thread that is connected with front end tool or its power switching spare, the connecting sleeve rearward end is provided with the first opening undergauge sleeve with the transmission shaft fluid-tight engagement, be provided with between the connecting sleeve of described socket and transmission shaft and make socket synchronize with transmission shaft the bindiny mechanism that rotates, the interior rotation set of described socket be set in the front end of connecting sleeve and part intermediate portion and with its slip joint, interior rotation set rearward end is provided with the second opening undergauge sleeve with connecting sleeve intermediate portion fluid-tight engagement, the second opening undergauge socket end inboardly is two positioning convex of convex along being arranged with relatively it, two positioning convex of interior rotation set that rotates respectively with pair of locking positioning groove or the corresponding joint of a dual lock positioning groove of connecting sleeve intermediate portion, described interior rotation set front end is provided with the perforate corresponding with two positioning convex axial position, when two positioning convex of interior rotation set engage with a dual lock positioning groove of connecting sleeve intermediate portion, described perforate and connecting sleeve steel ball hugging coincide, the steel ball of this moment and the annular groove of transmission shaft are separated, when two positioning convex of interior rotation set engage with the pair of locking positioning groove of connecting sleeve intermediate portion, described interior rotation set compresses with steel ball in connecting sleeve steel ball hugging and engages, the steel ball of this moment engages with the annular groove of transmission shaft, described outer rotation set is set in interior rotation set surface and interference fit.
The utility model can also be taked following technical measures:
Described socket is synchronizeed the bindiny mechanism that rotates with transmission shaft be that the connecting sleeve front-end face of socket is provided with axial locating column, and in transmission shaft and motor handle, the mounting flange of motor shaft is provided with the positioning hole groove that engages with the locating column embedding.
Described socket is synchronizeed the bindiny mechanism that rotates with transmission shaft be that the connecting sleeve of described socket is respectively equipped with transmission shaft connecting key and the keyway that axial embedding engages.
Described first, second opening undergauge sleeve is arranged with respectively four axially opens.
the beneficial effects of the utility model and advantage are: the socket of this ready-packaged joint is by connecting sleeve, the integral body that interior rotation set and outer rotation set form, when the transmission shaft that is socketed on the motor handle by its connecting sleeve when socket is plug, by rotating outer rotation set, socket is engaged with the keyway embedding with positioning hole groove or key with the synchronous locating column that rotates of transmission shaft, then the outward turning cover by socket drives the rotation of inward turning cover, with two positioning convex of interior rotation set and the corresponding joint of pair of locking positioning groove of connecting sleeve intermediate portion, a part that is steel ball in connecting sleeve steel ball hugging engages with the annular groove of motor handle transmission shaft, this moment, the socket of this ready-packaged joint namely was connected and fixed with motor handle transmission shaft, the front end tool or its power switching spare that are equivalent to be threadedly connected to this ready-packaged joint are connected and fixed with the motor handle.Just or the outer rotation set of counter-rotation, with two positioning convex of interior rotation set and a corresponding joint of dual lock positioning groove of connecting sleeve intermediate portion, be that steel ball in connecting sleeve steel ball hugging is corresponding with the perforate of interior rotation set, the annular groove of steel ball and motor handle transmission shaft is separated, this moment, the socket of this ready-packaged joint namely was separated with motor handle transmission shaft, and the front end tool or its power switching spare that are equivalent to be threadedly connected to this ready-packaged joint are separated with the motor handle.As seen, the written or printed documents ready-packaged joint has easy to use, quick and accurate positioning, stable characteristics.Simultaneously, because adopting two-stage opening undergauge sleeve, socket can effectively avoid radially wobbling of front end tool appearance.
Description of drawings
Accompanying drawing 3 is that Fig. 2 A is to view.
Accompanying drawing 4 is Fig. 1 connecting jacket structure schematic diagram.
Accompanying drawing 5 is that Fig. 4 A is to view.
Accompanying drawing 6 is Fig. 1 inward turning nested structure schematic diagram.
Accompanying drawing 7 is that Fig. 6 A is to view.
Accompanying drawing 8 is Fig. 1 outward turning nested structure schematic diagram.
Accompanying drawing 9 is that Fig. 8 A is to view.
Accompanying drawing 10 is the another kind of structural representations of connecting sleeve.
Accompanying drawing 11 is the another kind of structural representations of motor handle and transmission shaft thereof.
Mark in figure: 1 connecting sleeve, 1-1 locating column, 1-2 groove, the 1-3 screw thread, 1-4 the first opening undergauge sleeve, 1-5 connecting key, 2 interior rotation sets, 2-1 opening, 2-2 the second opening undergauge sleeve, the 2-3 positioning convex, 3 outer rotation sets, 4 steel balls, 5 motor handles, 6 transmission shafts, 6-1 annular groove, the 6-2 positioning hole groove, the 6-3 keyway.
Embodiment
Further illustrate the utility model below in conjunction with embodiment and accompanying drawing thereof.
As shown in Fig. 1,2,3,4,5, this ready-packaged joint is plug by the transmission shaft 6 of motor handle 5, and the integral body that is made of connecting sleeve 1, interior rotation set 2 and outer rotation set 3 is socket.
Connecting sleeve 1 front end of socket is arranged with the steel ball hugging that the bottom is communicated with the connecting sleeve inboard, is provided with steel ball 4 in the steel ball hugging, and the transmission shaft 6 of motor handle 5 is provided with the annular groove 6-1 corresponding with steel ball 4.
Connecting sleeve 1 intermediate portion is provided with four groove 1-2 that distribute as the radial symmetric of benchmark take arbitrary steel ball hugging position, and wherein a symmetrical groove is the lock in place groove, and another symmetrical grooves is the positioning groove of unblanking.Connecting sleeve 1 intermediate portion of four groove rear sides is provided with the screw thread 1-3 that is connected with front end tool or its power switching spare, and it is the first opening undergauge sleeve 1-4 of transmission shaft 6 fluid-tight engagement of motor handle that connecting sleeve 1 rearward end is provided with plug.
When socket is connected with transmission shaft 6 sockets of motor handle 5 via connecting sleeve 1, be provided with between connecting sleeve 1 and transmission shaft 6 and make socket synchronize with transmission shaft the bindiny mechanism that rotates, Fig. 1 embodiment's bindiny mechanism is that connecting sleeve 1 front-end face of described socket is provided with axial locating column 1-1, and in transmission shaft 6 and motor handle 5, the mounting flange of motor shaft is provided with locating column 1-1 and embeds the positioning hole groove 6-2 that engages.
Make socket synchronize with transmission shaft the bindiny mechanism that rotates can also to adopt Figure 10,11 concrete structure between connecting sleeve 1 and transmission shaft 6, the connecting sleeve 1 that is Figure 10 is provided with axial connecting key 1-5, the transmission shaft 6 of Figure 11 is provided with axial keyway 6-3, and connecting key 1-5 embeds with keyway 6-3 and engages.
As shown in Fig. 1,2,3,4,6,7, the interior rotation set 2 of socket be set in the front end of connecting sleeve 1 and part intermediate portion and with its slip joint, interior rotation set 2 rearward end are provided with the second opening undergauge sleeve 2-2 with connecting sleeve 1 intermediate portion fluid-tight engagement.The end of the second opening undergauge sleeve 2-2 inboardly is two positioning convex 2-3 of convex along being arranged with relatively it, interior rotation set 2 two positioning convex of rotation respectively with pair of locking positioning groove or the corresponding joint of a dual lock positioning groove of connecting sleeve 1 intermediate portion.
Interior rotation set 2 front ends are provided with the perforate 2-1 corresponding with two positioning convex 2-3 axial position.
When two positioning convex 2-3 of interior rotation set 2 engage with a dual lock positioning groove of connecting sleeve 1 intermediate portion, described perforate 2-1 and connecting sleeve steel ball hugging coincide, the steel ball 4 of this moment is separated with the annular groove 6-1 of motor handle transmission shaft, and plug separates with socket.
When two positioning convex 2-3 of interior rotation set engage with the pair of locking positioning groove of connecting sleeve 1 intermediate portion, described interior rotation set 2 compresses with steel ball 4 in connecting sleeve 1 steel ball hugging and engages, this moment, steel ball 4 engaged with the annular groove 6-1 of the transmission shaft of motor handle 5, and plug is connected with socket.
As shown in Fig. 1,2,3,8,9, outer rotation set 3 is set in interior rotation set 2 surface and interference fit, and in outer rotation set 3 drives, rotation set 2 rotates.
As shown in Fig. 5,7, the first opening undergauge sleeve 1-4 and the second opening undergauge sleeve 2-1 are arranged with respectively four axially opens.
Claims (4)
1. the ready-packaged joint of operation electricity consumption cleaner handgrip transmission shaft and front end tool, comprise motor handle and transmission shaft thereof, it is characterized in that: this ready-packaged joint is plug by the transmission shaft of motor handle, by connecting sleeve, the integral body that interior rotation set and outer rotation set consist of is socket, the connecting sleeve front end of described socket is arranged with the steel ball hugging that the bottom is communicated with the connecting sleeve inboard, be provided with steel ball in the steel ball hugging, transmission shaft is provided with the annular groove corresponding with steel ball, described connecting sleeve intermediate portion is provided with four grooves that distribute as the radial symmetric of benchmark take arbitrary steel ball hugging position, wherein a symmetrical groove is the lock in place groove, another symmetrical grooves is the positioning groove of unblanking, the connecting sleeve intermediate portion of four groove rear sides is provided with the screw thread that is connected with front end tool or its power switching spare, the connecting sleeve rearward end is provided with the first opening undergauge sleeve with the transmission shaft fluid-tight engagement, be provided with between the connecting sleeve of described socket and transmission shaft and make socket synchronize with transmission shaft the bindiny mechanism that rotates, the interior rotation set of described socket be set in the front end of connecting sleeve and part intermediate portion and with its slip joint, interior rotation set rearward end is provided with the second opening undergauge sleeve with connecting sleeve intermediate portion fluid-tight engagement, the second opening undergauge socket end inboardly is two positioning convex of convex along being arranged with relatively it, two positioning convex of interior rotation set that rotates respectively with pair of locking positioning groove or the corresponding joint of a dual lock positioning groove of connecting sleeve intermediate portion, described interior rotation set front end is provided with the perforate corresponding with two positioning convex axial position, when two positioning convex of interior rotation set engage with a dual lock positioning groove of connecting sleeve intermediate portion, described perforate and connecting sleeve steel ball hugging coincide, the steel ball of this moment and the annular groove of transmission shaft are separated, when two positioning convex of interior rotation set engage with the pair of locking positioning groove of connecting sleeve intermediate portion, described interior rotation set compresses with steel ball in connecting sleeve steel ball hugging and engages, the steel ball of this moment engages with the annular groove of transmission shaft, described outer rotation set is set in interior rotation set surface and interference fit.
2. ready-packaged joint according to claim 1, it is characterized in that: described socket is synchronizeed the bindiny mechanism that rotates with transmission shaft be that the connecting sleeve front-end face of socket is provided with axial locating column, and in transmission shaft and motor handle, the mounting flange of motor shaft is provided with the positioning hole groove that engages with the locating column embedding.
3. ready-packaged joint according to claim 1 is characterized in that: described socket is synchronizeed the bindiny mechanism that rotates with transmission shaft be that the connecting sleeve of described socket is respectively equipped with transmission shaft connecting key and the keyway that axial embedding engages.
4. ready-packaged joint according to claim 1, it is characterized in that: described first, second opening undergauge sleeve is arranged with respectively four axially opens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220631869 CN203023326U (en) | 2012-11-26 | 2012-11-26 | Quick connector of motor handle and front-end tool for surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220631869 CN203023326U (en) | 2012-11-26 | 2012-11-26 | Quick connector of motor handle and front-end tool for surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023326U true CN203023326U (en) | 2013-06-26 |
Family
ID=48647314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220631869 Expired - Lifetime CN203023326U (en) | 2012-11-26 | 2012-11-26 | Quick connector of motor handle and front-end tool for surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203023326U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802122A (en) * | 2015-04-02 | 2015-07-29 | 殷翠萍 | Simple reinforced air wrench socket |
| CN107811583A (en) * | 2017-11-16 | 2018-03-20 | 宁波创跃园林工具有限公司 | A kind of sweeper with quick fixation structure |
-
2012
- 2012-11-26 CN CN 201220631869 patent/CN203023326U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802122A (en) * | 2015-04-02 | 2015-07-29 | 殷翠萍 | Simple reinforced air wrench socket |
| CN107811583A (en) * | 2017-11-16 | 2018-03-20 | 宁波创跃园林工具有限公司 | A kind of sweeper with quick fixation structure |
| CN107811583B (en) * | 2017-11-16 | 2023-04-11 | 宁波创跃园林工具有限公司 | Sweeper with quick-mounting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |