CN209966496U - Grinding head assembly for spine grinding head equipment - Google Patents
Grinding head assembly for spine grinding head equipment Download PDFInfo
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- CN209966496U CN209966496U CN201822037286.7U CN201822037286U CN209966496U CN 209966496 U CN209966496 U CN 209966496U CN 201822037286 U CN201822037286 U CN 201822037286U CN 209966496 U CN209966496 U CN 209966496U
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- grinding head
- sleeve
- locking
- bistrique
- transmission rod
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Abstract
The utility model discloses a bistrique subassembly for backbone bistrique equipment for be connected with bistrique equipment, bistrique equipment includes motor element, including the bistrique protective sheath, the bistrique main part cover of being connected with the bistrique protective sheath, be equipped with the locking main shaft in the bistrique protective sheath, bistrique main part cover is equipped with the transfer line, and the rear end of transfer line is used for being connected with motor element, the front end and the locking main shaft swing joint of transfer line, and the front end of locking main shaft can be dismantled and be connected with the bistrique, and the bistrique. The grinding head assembly solves the technical problems that the grinding head cannot be detached and the length of the grinding head cannot be adjusted.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a bistrique subassembly for backbone bistrique equipment
Background
In the process of bone surgery, bone tissues in a body need to be ground or drilled; taking grinding as an example, in the prior art, grinding is generally performed by directly driving a grinding head to rotate by a power handle. The existing grinding head is directly fixed on the power handle, can not be directly disassembled, and can not adjust the length, the adaptability is poor, and the maintenance and the disinfection are inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a grinding head component for a spine grinding head device, which can not only disassemble the grinding head but also adjust the extending length of the grinding head.
The purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides a bistrique subassembly for backbone bistrique equipment for be connected with bistrique equipment, bistrique equipment includes motor element, including bistrique protective sheath, with the bistrique main part cover that the bistrique protective sheath is connected, be equipped with the locking main shaft in the bistrique protective sheath, bistrique main part cover is equipped with the transfer line, the rear end of transfer line be used for with motor element connects, the front end of transfer line with locking main shaft swing joint, the front end of locking main shaft can be dismantled and be connected with the bistrique, the bistrique connect in the axial position of locking main shaft is adjustable.
Further, the locking main shaft is detachably connected with the grinding head through a clamping structure.
Furthermore, the clamping structure comprises a chuck, a locking sleeve, a pushing block, a moving sleeve, an elastic element and a locking twisting sleeve, the chuck is clamped on the locking main shaft and used for clamping the grinding head, the locking sleeve is movably sleeved on the locking main shaft and can axially move, the inner wall of the front end of the locking sleeve is provided with a pushing inclined plane, and the chuck is provided with a chuck inclined plane matched with the pushing inclined plane; the rear end of the locking main shaft is provided with a moving groove, the push block is arranged in the moving groove and can axially move along the moving groove, the rear end of the locking sleeve is connected with the push block, the front end of the transmission rod is movably inserted into the moving groove and can axially push the push block, the moving sleeve is movably sleeved on the transmission rod and can drive the transmission rod to axially move, the locking twisting sleeve is rotatably sleeved outside the grinding head main body sleeve, and the moving sleeve can axially move under the linkage of the locking twisting sleeve to drive the transmission rod to axially move; the elastic element is sleeved on the locking main shaft and used for providing elastic stress for promoting the front end of the locking sleeve to move towards the direction close to the chuck, the locking sleeve is used for abutting against and pushing the chuck so that the chuck can clamp the grinding head, the locking sleeve is further provided with an opening, and the chuck can be popped out towards the opening direction when the front end of the locking sleeve moves towards the direction far away from the chuck.
Furthermore, a plurality of U-shaped grooves are formed in a connecting section of the grinding head extending into the locking main shaft, the U-shaped grooves are arranged at intervals along the length direction of the grinding head, and the chuck is provided with a U-shaped convex surface matched with the U-shaped grooves.
Further, the outer wall of removal cover is equipped with the ball groove that is used for placing the ball, bistrique main part cover be equipped with be used for with the helicla flute of ball looks adaptation, the inner wall of locking wrench movement cover be equipped with the spout of ball looks adaptation, the ball is located in the spout, the ball can follow under the linkage of locking wrench movement cover the helicla flute slides in order to drive remove the cover axial displacement.
Furthermore, the locking main shaft is further sleeved with an elastic gasket, one end of the elastic element abuts against the elastic gasket, and the other end of the elastic element abuts against the push block.
Further, the transfer line includes first transfer line and second transfer line, first transfer line with the cooperation of second transfer line joint is connected, the one end activity of first transfer line is inserted the shifting chute, the one end of second transfer line be used for with motor element connects, remove the cover movable sleeve in on the second transfer line, the second transfer line be equipped with remove the butt portion of cover butt.
Further, the bistrique subassembly still includes the adapter sleeve, the adapter sleeve is in rotatable ground overcoat the bistrique protective sheath is sheathe in and is used for locking the bistrique protective sheath, the bistrique protective sheath is equipped with first joint spare, the adapter sleeve be equipped with the spacing face of joint spare looks butt, the adapter sleeve inner wall is equipped with second joint spare, bistrique main part cover outer wall be equipped with second joint spare matched with draw-in groove.
Furthermore, the grinding head assembly further comprises a first bearing, a second bearing and a third bearing, the first bearing is sleeved on the second transmission rod, the second bearing is sleeved at the connecting position of the first transmission rod and the locking main shaft, and the third bearing is sleeved at the connecting position of the grinding head and the locking main shaft.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a can dismantle the bistrique with the locking main shaft and be connected, make the bistrique can follow the bistrique subassembly and dismantle to the convenience is disinfected or is maintained the bistrique. In addition, the axial position of the grinding head connected to the locking main shaft is adjustable, so that the axial length of the grinding head can be adjusted, and the grinding head has high adaptability and universality.
Drawings
Fig. 1 is an overall schematic view of a grinding head assembly for a spinal grinding head device provided by the present invention;
fig. 2 is one of cross-sectional views of a head assembly for a spinal grinding head apparatus according to the present invention, showing a state in which a chuck releases a grinding head;
fig. 3 is a second cross-sectional view of a grinding head assembly for a spinal grinding head apparatus according to the present invention, showing a state in which a chuck clamps a grinding head;
fig. 4 is an assembly schematic view of a locking main shaft and a chuck of a grinding head assembly for a spinal grinding head device provided by the present invention;
fig. 5 is a schematic view of a grinding head assembly for a spinal grinding head apparatus provided by the present invention;
fig. 6 is a schematic view of a chuck of a grinding head assembly for a spinal grinding head apparatus provided by the present invention;
fig. 7 is a cross-sectional view of a lock sleeve of a grinding head assembly for a spinal grinding head device provided by the present invention;
fig. 8 is a cross-sectional view of a bistrique body housing of a bistrique assembly for a spinal bistrique apparatus provided by the present invention;
fig. 9 is an exploded view of the moving sleeve and the balls of a grinding head assembly for a spinal grinding head apparatus provided by the present invention;
fig. 10 is a schematic view of a locking twist sleeve of a grinding head assembly for a spinal grinding head apparatus provided by the present invention;
fig. 11 is a view of the grinding head assembly for the spinal grinding head device according to the present invention in a clamped state;
fig. 12 is a state diagram of the grinding head assembly for the spinal grinding head device provided by the present invention, wherein the grinding head is not clamped.
In the figure: 100. grinding heads; 101. a U-shaped groove; 200. a grinding head protective sleeve; 201. a first clip member; 300. a grinding head main body sleeve; 301. a card slot; 302. a helical groove; 400. locking the main shaft; 401. a moving groove; 500. connecting sleeves; 501. a limiting surface; 502. a second clip member; 600. a first bearing; 700. a second bearing; 800. a third bearing; 1. a chuck; 10. a U-shaped convex surface; 11. a chuck bevel; 2. a locking sleeve; 20. an opening; 21. pushing the inclined plane; 22. a connecting port; 3. a push block; 4. moving the sleeve; 40. a ball groove; 5. an elastic element; 6. locking the twisting sleeve; 60. a chute; 7. a ball bearing; 8. an elastic pad; 90. a first drive lever; 91. a second transmission rod; 910. an abutment portion.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1-12, for the utility model provides a pair of a bistrique subassembly for backbone bistrique equipment, this bistrique subassembly is used for being connected with bistrique equipment, bistrique equipment includes motor element, wherein bistrique subassembly includes bistrique protective sheath 200, bistrique main part cover 300 of being connected with bistrique protective sheath 200, be equipped with locking main shaft 400 in the bistrique protective sheath 200, bistrique main part cover 300 is equipped with the transfer line, the rear end of transfer line is used for being connected with motor element, the front end and the locking main shaft 400 swing joint of transfer line, locking main shaft 400's front end can be dismantled and be connected with bistrique 100, bistri.
On the basis of the structure, the transmission rod is driven to rotate by the motor assembly, and the transmission rod drives the locking main shaft 400 to rotate, so that the grinding head 100 is driven to rotate, and then, the internal bone tissue is ground or drilled. In the embodiment, by detachably connecting the grinding head 100 with the locking main shaft 400, the grinding head 100 can be detached from the grinding head 100 assembly, so that the grinding head 100 can be conveniently sterilized or maintained; in addition, the axial position of the grinding head 100 connected with the locking main shaft 400 is adjustable. Thus, the length of the grinding head 100 extending out of the grinding head protective sleeve 200 can be adjusted, so that the grinding head protective sleeve has strong adaptability and universality, and the use cost can be reduced.
Specifically, locking spindle 400 of the present embodiment is detachably connected to grater 100 through a clamping structure. Locking main shaft 400 and grinding head 100 are detachably connected through a clamping structure, so that the universality is high.
Specifically, this embodiment shows a specific implementation manner of a clamping structure, the clamping structure includes a chuck 1, a locking sleeve 2, a push block 3, a moving sleeve 4, an elastic element 5 and a locking twisting sleeve 6, the chuck 1 is clamped on a locking main shaft 400 and is used for clamping the grinding head 100, a clamping groove for clamping the chuck 1 is arranged on the locking main shaft 400, the locking sleeve 2 is movably sleeved on the locking main shaft 400 and can move axially, an abutting-pushing inclined surface 21 is arranged on an inner wall of a front end of the locking sleeve 2, and the chuck 1 is provided with a chuck inclined surface 11 matched with the abutting-pushing inclined surface 21; the rear end of the locking main shaft 400 is provided with a moving groove 401, the push block 3 is arranged in the moving groove 401 and can axially move along the moving groove 401, the rear end of the locking sleeve 2 is connected with the push block 3, the front end of the transmission rod is movably inserted into the moving groove 401 and can axially abut against the push block 3, the moving sleeve 4 is movably sleeved on the transmission rod and can drive the transmission rod to axially move, the locking and twisting sleeve 6 is rotatably sleeved outside the grinding head main body sleeve 300, and the moving sleeve 4 can axially move under the linkage of the locking and twisting sleeve 6 to drive the transmission rod to axially move; the elastic element 5 is sleeved on the locking main shaft 400, the locking main shaft 400 is further sleeved with an elastic gasket 8, one end of the elastic element 5 abuts against the elastic gasket 8, the other end of the elastic element 5 abuts against the push block 3, the elastic element 5 is used for providing elastic stress for promoting the front end of the locking sleeve 2 to move towards the direction close to the chuck 1, the locking sleeve 2 is used for abutting against and pushing the chuck 1 so that the chuck 1 clamps the grinding head 100, the locking sleeve 2 is further provided with an opening 20, and the chuck 1 can be popped out towards the opening 20 direction when the front end of the locking sleeve 2 moves towards the direction far away from the chuck 1
In this embodiment, when the length of the grinding head 100 needs to be adjusted, the locking and twisting sleeve 6 is rotated to drive the moving sleeve 4 to move axially, the moving sleeve 4 causes the transmission rod to move in a direction close to the moving groove 401, the transmission rod pushes the push block 3 to move in a positive axial direction of the moving groove 401, the push block 3 pushes the elastic element 5, meanwhile, the push block 3 drives the front end of the locking sleeve 2 to move in a direction away from the chuck 1, at this time, the locking sleeve 2 cannot continuously push the chuck 1, the chuck 1 loses the pushing effect, the chuck 1 is ejected in a direction of the opening 20, so that the chuck 1 cannot clamp the grinding head 100, the grinding head 100 can adjust the length extending out of the grinding head protective sleeve 200, after the length of the grinding head 100 is adjusted, the hand is released, under the action of the elastic element 5, the push block 3 moves in a reverse axial direction of the moving groove 401, and simultaneously drives the front end of the locking sleeve 2 to move in a direction close to, at this time, the abutting inclined surface 21 of the locking sleeve 2 abuts against the inclined surface 11 of the collet 1, and the collet 1 abuts against and clamps the grinding head 100 toward the inside of the locking main shaft 400 through the inclined surface abutting cooperation, so that the grinding head 100 is locked in the locking main shaft 400. The clamping structure has the characteristics of simple structure, convenience in operation and the like. In the present embodiment, the push block 3 is preferably a square pin, wherein the lock sleeve 2 is provided at a connection port 22 for connecting with the push block 3, and the elastic element 5 is preferably a spring.
Specifically, the outer wall of the movable sleeve 4 is provided with a ball groove 40 for placing the ball 7, the grinding head main body sleeve 300 is provided with a spiral groove 302 adapted to the ball 7, the inner wall of the locking and twisting sleeve 6 is provided with a sliding groove 60 adapted to the ball 7, the ball 7 is located in the sliding groove 60, and the ball 7 can slide along the spiral groove 302 under the linkage of the locking and twisting sleeve 6 to drive the movable sleeve 4 to move axially. When the locking and twisting sleeve 6 is rotated, the balls 7 are driven to slide along the spiral groove 302, and the balls 7 are arranged on the moving sleeve 4, so that the balls 7 can drive the moving sleeve 4 to move axially. In addition, in this embodiment, when the locking twist sleeve 6 is rotated counterclockwise, the ball 7 slides from the direction approaching the second end of the spiral groove 302, so that the moving sleeve 4 moves in the positive axial direction, that is, the moving sleeve 4 drives the transmission rod to move toward the moving groove 401, when the ball 7 completely slides to the second end of the spiral groove 302, the collet 1 pops out toward the opening 20, the locking sleeve 2 does not push the collet 1, at this time, the collet 1 cannot clamp the grinding head 100, when the locking twist sleeve 6 is rotated clockwise, the ball 7 slides toward the direction approaching the first end of the spiral groove 302, so that the ball 7 drives the moving sleeve 4 to move in the negative axial direction, when the ball 7 completely slides to the first end of the spiral groove 302, the ball 7 and the moving sleeve 4 reset again, at this time, because the transmission rod loses the holding, under the action of the elastic element 5, the push block 3 drives the front end of the locking sleeve 2 to slide toward the collet 1, the locking sleeve 2 is pushed against the collet 1 so that the collet 1 clamps the grinding stone 100. It is understood that the first end and the second end of the spiral groove 302 of the present embodiment are respectively provided with a positioning portion for limiting the ball 7 from continuing to slide.
Specifically, the connecting section of the grinding head 100 extending into the locking main shaft 400 is provided with a plurality of U-shaped grooves 101, the plurality of U-shaped grooves 101 are arranged at intervals along the length direction of the grinding head 100, and the chuck 1 is provided with a U-shaped convex surface 10 matched with the U-shaped grooves 101. The collet 1 is enabled to further clamp the grinding stone 100 by providing a plurality of U-shaped grooves 101 at the positions of the coupling sections of the grinding stone 100 so as to be engaged with the U-shaped convex surfaces 10 of the collet 1. Of course, the connecting section of the grinding stone 100 may be provided with other shapes as long as it can be clamped in cooperation with the cartridge 1.
Preferably, the transmission rod comprises a first transmission rod 90 and a second transmission rod 91, the first transmission rod 90 is connected with the second transmission rod 91 in a clamping fit manner, one end of the first transmission rod 90 is movably inserted into the moving groove 401, one end of the second transmission rod 91 is used for being connected with the motor assembly, the moving sleeve 4 is movably sleeved on the second transmission rod 91, and the second transmission rod 91 is provided with an abutting part 910 abutted against the moving sleeve 4. In this embodiment, when the moving sleeve 4 moves along the positive direction of the axial direction, the moving sleeve 4 abuts against the abutting portion 910, so that the second transmission rod 91 is driven to move axially, and the pushing block 3 is driven to move axially, so as to drive the locking sleeve 2 to slide.
Preferably, the bistrique subassembly still includes adapter sleeve 500, and adapter sleeve 500 overcoat ground is used for locking bistrique protective sheath 200 on bistrique protective sheath 200, and bistrique protective sheath 200 is equipped with first joint spare 201, and adapter sleeve 500 is equipped with the spacing face 501 with joint spare looks butt, and the adapter sleeve 500 inner wall is equipped with second joint spare 502, and bistrique main part cover 300 outer wall is equipped with draw-in groove 301 with second joint spare 502 matched with. The grinding head protective sleeve 200 and the grinding head main body sleeve 300 are connected into a whole by arranging the connecting sleeve 500.
Preferably, the grinding wheel head assembly further comprises a first bearing 600, a second bearing 700 and a third bearing 800, wherein the first bearing 600 is sleeved on the second transmission rod 91, the second bearing 700 is sleeved on the connection position of the first transmission rod 90 and the locking main shaft 400, and the third bearing 800 is sleeved on the connection position of the grinding wheel head 100 and the locking main shaft 400. The first bearing 600, the second bearing 700 and the third bearing 800 are arranged, so that the first transmission rod 90, the second transmission rod 91 and the locking spindle 400 are stably transmitted.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (9)
1. The utility model provides a bistrique subassembly for backbone bistrique equipment for be connected with bistrique equipment, bistrique equipment includes motor element, its characterized in that, including the bistrique protective sheath, with bistrique main part cover that the bistrique protective sheath is connected, be equipped with the locking main shaft in the bistrique protective sheath, bistrique main part cover is equipped with the transfer line, the rear end of transfer line be used for with motor element connects, the front end of transfer line with locking main shaft swing joint, the front end of locking main shaft can be dismantled and be connected with the bistrique, the bistrique connect in the axial position of locking main shaft is adjustable.
2. A grinding head assembly for a spinal grinding head apparatus according to claim 1, wherein said locking spindle is detachably connected to said grinding head by means of a clamping structure.
3. The grinding head assembly for a spinal grinding head device of claim 2, wherein the clamping structure comprises a clamping head, a locking sleeve, a push block, a moving sleeve, an elastic element and a locking twist sleeve, the clamping head is clamped on the locking main shaft and is used for clamping the grinding head, the locking sleeve is movably sleeved on the locking main shaft and can axially move, an abutting-pushing inclined surface is arranged on the inner wall of the front end of the locking sleeve, and the clamping head is provided with a clamping head inclined surface matched with the abutting-pushing inclined surface; the rear end of the locking main shaft is provided with a moving groove, the push block is arranged in the moving groove and can axially move along the moving groove, the rear end of the locking sleeve is connected with the push block, the front end of the transmission rod is movably inserted into the moving groove and can axially push the push block, the moving sleeve is movably sleeved on the transmission rod and can drive the transmission rod to axially move, the locking twisting sleeve is rotatably sleeved outside the grinding head main body sleeve, and the moving sleeve can axially move under the linkage of the locking twisting sleeve to drive the transmission rod to axially move; the elastic element is sleeved on the locking main shaft and used for providing elastic stress for promoting the front end of the locking sleeve to move towards the direction close to the chuck, the locking sleeve is used for abutting against and pushing the chuck so that the chuck can clamp the grinding head, the locking sleeve is further provided with an opening, and the chuck can be popped out towards the opening direction when the front end of the locking sleeve moves towards the direction far away from the chuck.
4. A grinding head assembly for a spinal grinding head device according to claim 3, wherein a connecting section of said grinding head which projects into said locking spindle is provided with a plurality of U-shaped grooves which are provided at intervals in a length direction of said grinding head, and said cartridge is provided with a U-shaped convex surface which is fitted into said U-shaped grooves.
5. The grinding head assembly for a spinal grinding head device according to claim 3, wherein the outer wall of the moving sleeve is provided with a ball groove for placing a ball, the grinding head body sleeve is provided with a spiral groove adapted to the ball, the inner wall of the locking twist sleeve is provided with a slide groove adapted to the ball, the ball is located in the slide groove, and the ball can slide along the spiral groove under the linkage of the locking twist sleeve to drive the moving sleeve to move axially.
6. A grinding head assembly for a spinal grinding head apparatus according to claim 3, wherein said locking spindle is further sleeved with an elastic spacer, one end of said elastic member abuts against said elastic spacer, and the other end of said elastic member abuts against said push block.
7. The grinding head assembly for a spinal grinding head device according to claim 3, wherein the transmission rod includes a first transmission rod and a second transmission rod, the first transmission rod is connected with the second transmission rod in a clamping fit manner, one end of the first transmission rod is movably inserted into the moving slot, one end of the second transmission rod is used for being connected with the motor assembly, the moving sleeve is movably sleeved on the second transmission rod, and the second transmission rod is provided with an abutting part abutting against the moving sleeve.
8. The grinding head assembly for a spinal grinding head device according to claim 1, further comprising a connecting sleeve rotatably sleeved on the grinding head protective sleeve and used for locking the grinding head protective sleeve, wherein the grinding head protective sleeve is provided with a first clamping member, the connecting sleeve is provided with a limiting surface abutting against the clamping member, a second clamping member is arranged on an inner wall of the connecting sleeve, and a clamping groove matched with the second clamping member is arranged on an outer wall of the grinding head main body sleeve.
9. The grinding head assembly for a spinal grinding head device according to claim 7, wherein said grinding head assembly further comprises a first bearing, a second bearing and a third bearing, said first bearing being fitted over said second transmission rod, said second bearing being fitted over a connecting position of said first transmission rod with said locking spindle, said third bearing being fitted over a connecting position of said grinding head with said locking spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822037286.7U CN209966496U (en) | 2018-12-05 | 2018-12-05 | Grinding head assembly for spine grinding head equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822037286.7U CN209966496U (en) | 2018-12-05 | 2018-12-05 | Grinding head assembly for spine grinding head equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209966496U true CN209966496U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822037286.7U Active CN209966496U (en) | 2018-12-05 | 2018-12-05 | Grinding head assembly for spine grinding head equipment |
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| CN (1) | CN209966496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210080358A1 (en) * | 2019-08-28 | 2021-03-18 | Elite IP, LLC | Systems and methods for collecting, processing, optimizing, and preparing stem cells for further use |
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2018
- 2018-12-05 CN CN201822037286.7U patent/CN209966496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210080358A1 (en) * | 2019-08-28 | 2021-03-18 | Elite IP, LLC | Systems and methods for collecting, processing, optimizing, and preparing stem cells for further use |
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