CN203970482U - grinding power handle - Google Patents
grinding power handle Download PDFInfo
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- CN203970482U CN203970482U CN201420358412.8U CN201420358412U CN203970482U CN 203970482 U CN203970482 U CN 203970482U CN 201420358412 U CN201420358412 U CN 201420358412U CN 203970482 U CN203970482 U CN 203970482U
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- ring
- circumferencial direction
- spacing
- grinding power
- power handle
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Abstract
The utility model discloses a kind of grinding power handle, comprise handle body and interface module, interface module comprises the latch assembly for lock cutter connection handle at axial and circumferencial direction, latch assembly is provided with the rotation adjusting part for cutter connection handle can be rotated at circumferencial direction, this utility model adopts the interface module that comprises latch assembly and rotation adjusting part, in the operation process of installing after elongated cutter, can adjust easily the position of outer cutter pipe at circumferencial direction, thereby driving whole cutter can make 360 ° of positive and negative windows regulates, facilitate in operation process and operate, and in the time that grinding is worked, can realize fixing at circumferencial direction of outer cutter pipe, improve operation process efficiency, easy to use, and whole handle arrangement is simply compact, and processing ease, is beneficial to carrying out smoothly of operation.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, the grinding power handle that particularly a kind of orthopaedics surgical operation is used.
Background technology
Carrying out in bone surgery process, sometimes need osseous tissue in body to carry out grinding; In the prior art, grinding generally adopts power handle directly to drive bistrique rotation to carry out grinding.Owing to directly driving bistrique by power handle, and bistrique stretches into inside of human body, while particularly carrying out spinal operation, also needs darker going deep into; Now bistrique is longer, and larger vibration occurs when rotation less stable, and precision is poor, affects final surgical effect; Main, because stroke is longer, the bar of bistrique can come in contact with tissue, thereby causes the damage of non-operative site, makes the post-operative recovery cycle longer, increases treatment cost when increasing patient painful; Therefore, for ensureing that the precision of grinding and the non-operative site of human body be not by accidental injury, the entire length of existing this structure bistrique is limited, cannot use, thereby define the scope of application of grinding for darker human body.
For this reason, occurred a kind of elongated cutter, had the outer cutter pipe of support, thereby can make cutter longer, outer cutter pipe has connection handle, and this connection handle is installed on power handle and makes cutter have excellent support, completes operation process.But this cutter connection handle needs easy for installation rapid in use, also can be adapted to the grinding window of different azimuth, namely need to adjust the circumferential of outer cutter pipe; And in prior art, there is no feasible scheme.
Therefore, need a kind of grinding power handle, installing after elongated cutter, can adjust easily outer cutter pipe in the position of circumferencial direction, and in the time of work, can realize fixing at circumferencial direction of outer cutter pipe, improve operation process efficiency, easy to use.
Utility model content
In view of this, this utility model provides a kind of grinding power handle, is installing after elongated cutter, can adjust easily the position of outer cutter pipe at circumferencial direction, and can realize fixing at circumferencial direction of outer cutter pipe in when work, and improve operation process efficiency, easy to use.
Grinding power handle of the present utility model, comprise handle body and interface module, described interface module comprises the latch assembly for lock cutter connection handle at axial and circumferencial direction, and described latch assembly is provided with the rotation adjusting part for cutter connection handle can be rotated at circumferencial direction.
Further, described latch assembly comprises spacing ring and annular shell fragment, described annular shell fragment radially outwards forms the radial elastic projection axially seamlessly transitting, spacing ring is positioned at annular shell fragment rear portion, the tail end that cutter connection handle is placed on annular shell fragment and cutter connection handle cyclic spring projection backward under the effect of pretightning force near described spacing ring front end and form the spacing of circumferencial direction;
Further, rotation adjusting part comprises clutch and the adjustable ring of bidirectional locking, the clutch of bidirectional locking comprises outer ring, inner ring and rolling element, between described outer ring and inner ring, form two-way wedge shape space, described rolling element correspondence is positioned at this wedge shape space and forms the bidirectional locking structure of clutch, and described adjustable ring has and gos deep into wedge shape space and for adjusting the shift fork of position of rolling element circumferencial direction; Described inner ring and spacing ring coordinate or integrally formed in circumferencial direction transmission;
Further, described adjustable ring is provided with axle journal backward, in this axle journal, is placed on outer ring, and described adjustable ring is coated at forward spacing ring;
Further, described spacing ring is coated at power handle inner housing and passes through collar axial limiting, and the tail end of described spacing ring engages at circumferencial direction with inner ring front end;
Further, the non-rotatable member of described outer ring and handle body is fixed at circumferencial direction, and annular shell fragment radially outwards forms the radial elastic high spot axially seamlessly transitting and is along the circumferential direction distributed with axially open;
Further, described spacing ring front end passes through end face spline or level and smooth wavy bulge and cutter connection handle and forms the spacing of circumferencial direction;
Further, between described axle journal and outer ring, be provided with the damping piece for preventing that adjustable ring from rotating with spacing ring;
Further, the shift fork of adjustable ring forms spacing between the two ends of circumferencial direction and adjacent rolling element;
Further, described wedge shape space is formed by the inclined-plane of the circumferencial direction of outer ring inner circle and inner ring and the radially facade that is positioned at this inclined-plane low spot.
The beneficial effects of the utility model: grinding power handle of the present utility model, employing comprises the interface module of latch assembly and rotation adjusting part, in the operation process of installing after elongated cutter, can adjust easily the position of outer cutter pipe at circumferencial direction, regulate thereby drive whole cutter can make 360 ° of positive and negative windows, facilitate in operation process and operate, and in the time that grinding is worked, can realize outer cutter pipe fixing at circumferencial direction, improve operation process efficiency, easy to use; And whole handle arrangement is simply compact, and processing ease, is beneficial to carrying out smoothly of operation.
Brief description of the drawings
Below in conjunction with drawings and Examples, this utility model is further described.
Fig. 1 is the structural representation of this utility model grinding power handle;
Fig. 2 is rotation adjusting part structural representation;
Fig. 3 is outer ring structure schematic diagram;
Fig. 4 is inner ring structure schematic diagram;
Fig. 5 is adjustable ring structural representation;
Fig. 6 is spacing ring structure schematic diagram;
Fig. 7 is Figure 1A place enlarged drawing;
Fig. 8 is elastic ring structural representation.
Detailed description of the invention
Fig. 1 is the structural representation of this utility model grinding power handle, Fig. 2 is rotation adjusting part structural representation, Fig. 3 is outer ring structure schematic diagram, Fig. 4 is inner ring structure schematic diagram, Fig. 5 is adjustable ring structural representation, Fig. 6 is spacing ring structure schematic diagram, Fig. 7 is Figure 1A place enlarged drawing, Fig. 8 is elastic ring structural representation, as shown in the figure: the grinding power handle of the present embodiment, comprise handle body and interface module, described interface module comprises the latch assembly for lock cutter connection handle 1 at axial and circumferencial direction, described latch assembly is provided with the rotation adjusting part for cutter connection handle 1 can be rotated at circumferencial direction,
Grinding power handle should have rotatable parts and non-rotatable member, and the outer cutter pipe 10 of cutter is connected in the nonrotational position of power handle, and interior cutter pipe 11 is in transmission connection in the clutch end of power handle; Nonrotational position refer generally to the fixed housing of power handle or with the relatively-stationary miscellaneous part of fixed housing, the structures such as the power output of power handle do not repeat them here.
In the present embodiment, described latch assembly comprises spacing ring 3 and annular shell fragment 2, the described annular shell fragment 2 radial elastic projection that radially outwards formation axially seamlessly transits, spacing ring 3 is positioned at annular shell fragment 2 rear portions, the tail end that cutter connection handle 1 is placed on annular shell fragment and cutter connection handle cyclic spring projection backward under the effect of pretightning force near described spacing ring front end and form the spacing of circumferencial direction; Above-mentioned mounting structure is simply compact, easy to use; As shown in the figure, when use, driving handle connects after high-speed electric expreess locomotive or air motor, drives bistrique high speed rotary motion to carry out grinding to body bone tissue; Yes radially protrudes and radially have elasticity for cyclic spring projection, to form spacing and pretightning force, the along the circumferential direction equally distributed axially open can be as shown in the figure forms, these openings make annular shell fragment form the reed structure that is uniformly distributed and radially outward protrudes at circumferencial direction, cost is lower and have good elasticity, convenient installation and simple in structure, is easy to form pretightning force and easily dismounting after installation, do not repeat them here; As shown in the figure, the nonrotational position of driving handle is made up of shell and the inner housing 16 that is fixedly connected on shell, and annular shell fragment 2 is arranged at inner housing 16 and the spacing ring pressing that forms by shell end is fixed, simple and compact for structure.
In the present embodiment, rotation adjusting part comprises clutch and the adjustable ring 4 of bidirectional locking, and the clutch of bidirectional locking comprises outer ring 8, inner ring 7 and rolling element 12, is similar to the structure that is more than clutch, be the two-way engaged transmission that is, depart from engagement and need external control; Between described outer ring 8 and inner ring 7, form two-way wedge shape space, described rolling element 12 correspondences are positioned at this wedge shape space and form clutch bidirectional locking structure, two-way wedge shape space refers to that wedge shape space is to form and have different engagement directions between at least two of distributing at circumferencial direction and wedge shape space, namely engages with rolling element formation separately at the both direction of circumference; Described adjustable ring 4 has and gos deep into wedge shape space and for adjusting the shift fork 41 of position of rolling element circumferencial direction, certainly, the quantity of shift fork 41 is corresponding with the quantity of wedge shape space and rolling element, does not repeat them here; Described inner ring 7 and spacing ring 3 coordinate or integrally formed in circumferencial direction transmission; This shift fork 41 is stirred rolling element 12 and is departed from engagement, and rotate adjustable ring 4, drive spacing ring to rotate thereby drive inner ring 7 to rotate, the rolling element of a wedge shape space departs from engagement under the drive of shift fork, the rolling element that engages the wedge shape space of opposite direction with it naturally depart from engage servo-actuated; Simple and practical; The wedge shape space of this structure is generally by round-formed in the circumferential ramps of inner ring and outer ring.
In the present embodiment, described adjustable ring 4 is provided with axle journal backward, is placed on outer ring 8 in this axle journal, and described adjustable ring 4 is coated at forward spacing ring 3; Form the structure radially superposeing successively, ensure the compactedness of structure and good outward appearance.
In the present embodiment, described spacing ring 3 is coated at power handle inner housing and by collar 5 axial limitings, the tail end of described spacing ring 3 engages at circumferencial direction with inner ring 7 front ends; Ensure the stability that it is spacing, and ensure the transmission effect regulating.
In the present embodiment, described outer ring 8 and handle body (can be that fixing inner housing 9 can be also the non-rotatable members such as shell body) be fixed at circumferencial direction, having ensured stable bindiny mechanism and the aesthetic feeling of outward appearance, is that whole power handle has good globality.
In the present embodiment, described spacing ring 3 front ends are spacing by end face spline or level and smooth wavy bulge and cutter connection handle formation circumferencial direction.
In the present embodiment, between described axle journal and outer ring, be provided with the damping piece for preventing that adjustable ring from rotating with spacing ring; While preventing inner ring and spacing ring rotation, adjustable ring rotates, and avoids maloperation, also just ensures normally carrying out of operation.
In the present embodiment, the shift fork 41 of adjustable ring 4 forms spacing between the two ends of circumferencial direction and adjacent rolling element 12; Avoid fluctuating a rolling element 12 and another shift fork of maloperation is stirred the rolling element of another reverse wedge shape space, what ensure to adjust is smooth and easy.
In the present embodiment, described wedge shape space is formed by the inclined-plane of the circumferencial direction of outer ring inner circle and inner ring and the radially facade that is positioned at this inclined-plane low spot; Shift fork is stirred rolling element disengaging and is engaged and be rotated further, and drives inner ring to rotate by aforementioned facade, and the rolling element of other direction wedge shape space nature departs from and engages with wedge shape space, completes adjusting.
The installation process of grinding power handle and driving handle is: first the unlocking mechanism on driving handle is opened, this mechanism belongs to the structure of prior art, does not repeat them here; The afterbody of grinding power handle is inserted to driving handle; Make the annular boss 11 of cutter connection handle 1 inside cross the cyclic spring projection 131 of annular shell fragment 2, the tail end of cutter connection handle 1 and spacing ring 3 front end laminatings, simultaneously cutter connection handle is provided with head face hump (wave-shaped groove or end face spline can also), spacing ring 3 front ends also form the wave-shaped groove that engages with the head face hump of cutter connection handle (end face spline can also), as shown in Figure 1,5, both projections and end face wave-shaped groove all can seamlessly transit; Annular shell fragment adopts highly elastic material, such as Steel material; By the cyclic spring projection of annular shell fragment 2 and coordinating of cutter connection handle 1 annular boss, axially pin cutter, in conjunction with the circumferential locking of connection handle and spacing ring, prevent that outer cutter pipe 11 from rotating; Finally by the retaining mechanism locking on driving handle, for hands art; Need to regulate cutter the window's position time, directly rotate adjustable ring, automatically realize separation adjusting and engagement automatically.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although this utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. a grinding power handle, it is characterized in that: comprise handle body and interface module, described interface module comprises the latch assembly for lock cutter connection handle at axial and circumferencial direction, and described latch assembly is provided with the rotation adjusting part for cutter connection handle can be rotated at circumferencial direction.
2. grinding power handle according to claim 1, it is characterized in that: described latch assembly comprises spacing ring and annular shell fragment, described annular shell fragment radially outwards forms the radial elastic projection axially seamlessly transitting, spacing ring is positioned at annular shell fragment rear portion, the tail end that cutter connection handle is placed on annular shell fragment and cutter connection handle cyclic spring projection backward under the effect of pretightning force near described spacing ring front end and form the spacing of circumferencial direction.
3. grinding power handle according to claim 2, it is characterized in that: rotation adjusting part comprises clutch and the adjustable ring of bidirectional locking, the clutch of bidirectional locking comprises outer ring, inner ring and rolling element, between described outer ring and inner ring, form two-way wedge shape space, described rolling element correspondence is positioned at this wedge shape space and forms the bidirectional locking structure of clutch, and described adjustable ring has and gos deep into wedge shape space and for adjusting the shift fork of position of rolling element circumferencial direction; Described inner ring and spacing ring coordinate or integrally formed in circumferencial direction transmission.
4. grinding power handle according to claim 3, is characterized in that: described adjustable ring is provided with axle journal backward, in this axle journal, be placed on outer ring, described adjustable ring is coated at forward spacing ring.
5. grinding power handle according to claim 4, is characterized in that: described spacing ring is coated at power handle inner housing and by collar axial limiting, the tail end of described spacing ring engages at circumferencial direction with inner ring front end.
6. grinding power handle according to claim 5, it is characterized in that: the non-rotatable member of described outer ring and handle body is fixed at circumferencial direction, annular shell fragment radially outwards forms the radial elastic high spot axially seamlessly transitting and is along the circumferential direction distributed with axially open.
7. grinding power handle according to claim 6, is characterized in that: described spacing ring front end is spacing by end face spline or level and smooth wavy bulge and cutter connection handle formation circumferencial direction.
8. grinding power handle according to claim 4, is characterized in that: between described axle journal and outer ring, be provided with the damping piece for preventing that adjustable ring from rotating with spacing ring.
9. grinding power handle according to claim 3, is characterized in that: the shift fork of adjustable ring forms spacing between the two ends of circumferencial direction and adjacent rolling element.
10. grinding power handle according to claim 3, is characterized in that: described wedge shape space is formed by the inclined-plane of the circumferencial direction of outer ring inner circle and inner ring and the radially facade that is positioned at this inclined-plane low spot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358412.8U CN203970482U (en) | 2014-06-30 | 2014-06-30 | grinding power handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358412.8U CN203970482U (en) | 2014-06-30 | 2014-06-30 | grinding power handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203970482U true CN203970482U (en) | 2014-12-03 |
Family
ID=51967957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420358412.8U Active CN203970482U (en) | 2014-06-30 | 2014-06-30 | grinding power handle |
Country Status (1)
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| CN (1) | CN203970482U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105902295A (en) * | 2016-04-12 | 2016-08-31 | 重庆西山科技股份有限公司 | Direction-variable grinding drill power handle and assembly thereof |
| CN108472045A (en) * | 2015-10-29 | 2018-08-31 | 美敦力施美德公司 | The method and apparatus for reducing vibration |
| CN109259807A (en) * | 2018-10-19 | 2019-01-25 | 上海导向医疗系统有限公司 | For adjusting the dial device and peeling knife of knife bar rotation |
-
2014
- 2014-06-30 CN CN201420358412.8U patent/CN203970482U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108472045A (en) * | 2015-10-29 | 2018-08-31 | 美敦力施美德公司 | The method and apparatus for reducing vibration |
| CN108472045B (en) * | 2015-10-29 | 2021-04-20 | 美敦力施美德公司 | Method and apparatus for reducing vibration |
| CN105902295A (en) * | 2016-04-12 | 2016-08-31 | 重庆西山科技股份有限公司 | Direction-variable grinding drill power handle and assembly thereof |
| CN105902295B (en) * | 2016-04-12 | 2019-06-07 | 重庆西山科技股份有限公司 | Deflecting abrasive drilling power handle and its component |
| CN109259807A (en) * | 2018-10-19 | 2019-01-25 | 上海导向医疗系统有限公司 | For adjusting the dial device and peeling knife of knife bar rotation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The 401121 northern New District of Chongqing Municipality Jupiter technology development center is a district 4 Building Patentee after: CHONGQING XISHAN SCIENCE & TECHNOLOGY CO., LTD. Address before: The 401121 northern New District of Chongqing Municipality Jupiter technology development center is a district 4 Building Patentee before: Chongqing Xishan Technology Co., Ltd. |