CN109199525A - A kind of multifunctional medical bone drill - Google Patents
A kind of multifunctional medical bone drill Download PDFInfo
- Publication number
- CN109199525A CN109199525A CN201811305830.XA CN201811305830A CN109199525A CN 109199525 A CN109199525 A CN 109199525A CN 201811305830 A CN201811305830 A CN 201811305830A CN 109199525 A CN109199525 A CN 109199525A
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- main shaft
- sleeve
- connection
- casing
- sheathed
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 75
- 230000005540 biological transmission Effects 0.000 claims abstract description 72
- 238000007789 sealing Methods 0.000 claims description 27
- 241001656951 Protheca Species 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000003550 marker Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1695—Trepans or craniotomes, i.e. specially adapted for drilling thin bones such as the skull
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
Abstract
The invention discloses a kind of multifunctional medical bone drills, bone drill ontology and drill bit including connection, bone drill ontology includes control device, casing, handle, motor, transmission device, handle is fixedly connected on the bottom of casing, transmission device is set to the inside of casing, motor is set to the inside of handle, the top of motor is equipped with the gear set of connection transmission device, one end of the nearly gear set of transmission device is equipped with the rear spelling cap of connection casing, the other end is equipped with the link slot of connection drill bit, drill bit is equipped with the connection main shaft of matching connection link slot, the tail sleeve of connection casing is arranged on connection main shaft, casing is equipped with the locking device of connection tail sleeve；Locking device includes that inner sleeve spells cap, positioning pin, knob, casing spelling cap, knob sleeve is set to transmission device, inner sleeve is equipped between knob and transmission device, inner sleeve spells cap with inner sleeve respectively, casing is connect, casing spells one end that cap sleeve is set to the nearly casing of inner sleeve, positioning pin is connected to inner sleeve, and tail sleeve is equipped with the locating slot of matching connection positioning pin.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of multifunctional medical bone drill.
Background technique
In Orthopedic Clinical operation, bone drill is out cranium, the common instrument in the operation such as drilling, since different operations needs
The bone drill of different rotating speeds and different torque, therefore doctor is when clinical operation, need to prepare cover bone drills, in case it is various not
With application, unnecessary trouble is caused.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of multifunctional medical bone drills, and it is straight can to reduce motor output shaft
Diameter effectively solves small size and exports the contradiction of large torque；Using oil sealing as movable sealing structure, increase effective sealing knot
Structure can obstruct watery blood and enter bone drill body interior, not will cause the pollution of bone drill body interior, can effectively extend tool use
Service life；The drill bit different there are three structure is set, suitable for bone drill being adapted to one a variety of to different the case where needing of performing the operation
The advantages of purposes；Structure is simple, small in size, mitigates the weight of moving component, and power foot reduces reactive loss as far as possible, from
And operating current is reduced, extend and use the time, to solve defect caused by the prior art.
The present invention provides technical solution below: a kind of multifunctional medical bone drill, including bone to solve above-mentioned technical problem
It bores ontology and drill bit, the drill bit is connected to the bone drill ontology, wherein the bone drill ontology includes control device, casing, hand
Handle, motor, transmission device, the handle are fixedly connected on the bottom of the casing, and the transmission device is set to the casing
Inside, the motor is set to the inside of the handle, and the top of the motor is equipped with the gear for connecting the transmission device
Group, one end of the closely described gear set of the transmission device are equipped with the rear spelling cap for connecting the casing, the transmission device it is another
End is equipped with the link slot for connecting the drill bit, and the drill bit is equipped with the connection main shaft that matching connects the link slot, the company
The tail sleeve for being arranged on main shaft and connecting the casing is connect, the casing is equipped with departing from described rear one end for spelling cap and connects the tail
The locking device of set；
The locking device includes that inner sleeve spells cap, positioning pin, knob, casing spelling cap, and the knob sleeve is set to the transmission device,
Be equipped between the knob and the transmission device and be sheathed on the inner sleeve of the transmission device, the both ends of the inner sleeve respectively with institute
It states inner sleeve and spells cap, casing connection, the casing spells one end that cap sleeve is set to the closely described casing of the inner sleeve, the positioning pin
It is connected to the inner sleeve, the tail sleeve is equipped with the locating slot that matching connects the positioning pin.
Above-mentioned a kind of multifunctional medical bone drill, wherein the control device includes controller, control panel and speed regulation dress
It sets, the control panel is set to the inside of the handle, and the controller and the speed regulation device are connected to the handle,
The controller and the speed regulation device control the connection control panel respectively, and the control panel control connects the motor；
The controller includes control button and the magnet steel being set to inside the control button and button spring, the magnet steel
It is set to the upside of the button spring, the control button is equipped with the push-button socket for connecting the handle；
The control panel is equipped with the hall element sensor for matching the magnet steel and the speed regulation device.
Above-mentioned a kind of multifunctional medical bone drill, wherein the inside of the motor is equipped with gearbox, the top of the motor
Equipped with the gear-box for connecting the gear set, the gear set includes the motor bevel gear for being connected to the gear-box, is connected to
The drive bevel gear of the transmission device, the motor bevel gear connect with the drive bevel gear, the motor bevel gear with
A type flat key is equipped in the drive bevel gear.
Above-mentioned a kind of multifunctional medical bone drill, wherein the transmission device includes transmission main shaft, the first deep-groove ball axis
It holds, first deep groove ball bearing is sheathed on one end of the closely described link slot of the transmission main shaft, and the drive bevel gear is arranged
In the nearly described rear one end for spelling cap of the transmission main shaft, set is equipped between first deep groove ball bearing and the drive bevel gear
Set on the axle sleeve of the main shaft, it is equipped between the drive bevel gear and the rear spelling cap and is sheathed on the second of the transmission main shaft
Deep groove ball bearing spells the first oil sealing for being equipped between cap and the transmission main shaft and being sheathed on the transmission main shaft after described；
The link slot is set to the transmission main shaft departing from described rear one end for spelling cap.
Above-mentioned a kind of multifunctional medical bone drill, wherein the positioning pin includes guide pin and locks pin shaft, described to lead
The torsional spring of the location key seat for connecting the inner sleeve, the connection locking pin shaft is equipped with to pin shaft, the location key seat is set to
Between the inner sleeve and the knob, the torsion spring set is set to the inner sleeve, and the guide pin is set to the nearly inner sleeve and spells
One end of cap；
The inner sleeve is sheathed on one end that the transmission main shaft is equipped with the link slot.
Above-mentioned a kind of multifunctional medical bone drill, wherein the guide pin and the locking pin shaft run through described interior
It covers and is extended at the transmission main shaft to the side departing from the knob；The knob is internally provided with two consistent guiding
Pin shaft and two consistent locking pin shafts.
Above-mentioned a kind of multifunctional medical bone drill, wherein the locating slot includes that the positioning that is set in the tail sleeve is straight
Slot and positioning skewed slot are symmetrical arranged in the tail sleeve there are two the consistent positioning straight trough, equal on each positioning straight trough
It is connected with the positioning skewed slot, the opening direction of two positioning skewed slots is opposite；
The positioning straight trough matches connection with the guide pin, and the positioning skewed slot matches connection with the locking pin shaft.
Above-mentioned a kind of multifunctional medical bone drill, wherein the drill bit includes drill chuck and the first front cover, the connection master
One end of axis is connected to the drill chuck, and the other end of the connection main shaft is connect through the tail sleeve with the link slot, institute
It states the first front cover to be set between the drill chuck and the tail sleeve, is equipped with inside the tail sleeve and connects the of the connection main shaft
Three deep groove ball bearings, first bearing washer and circlip for shaft, the circlip for shaft be set to first front cover with
Between the third deep groove ball bearing, the tail sleeve is equipped with the mark for connecting first front cover departing from one end of the locating slot
Show ring.
Above-mentioned a kind of multifunctional medical bone drill, wherein the drill bit includes drill chuck and output shaft, the output shaft
Both ends are connected with the drill chuck, the connection main shaft respectively, and one end of the connection main shaft has part to visit into the output shaft,
It visits into the periphery of the connection main shaft inside the output shaft and is arranged with gasket, the other end of the connection main shaft runs through institute
Tail sleeve is stated to connect with the link slot；
The periphery of the output shaft is arranged with the protheca for connecting the tail sleeve, and the tail sleeve connects departing from one end of the locating slot
Be connected to the protheca, the protheca is connected with the second front cover departing from one end of the tail sleeve, second front cover with it is described
It is equipped with marker loop between protheca, is equipped with the second oil sealing for being sheathed on the output shaft inside the front cover；
It is equipped with the 4th deep groove ball bearing between the output shaft and the protheca, is equipped between the connection main shaft and the tail sleeve
5th deep groove ball bearing is arranged with the central gear for connecting the output shaft, the top of the central gear on the connection main shaft
Portion is successively arranged needle roller, planetary gear, internal gear from the bottom to top；
The friction plate for being sheathed on the connection main shaft is equipped between the central gear and the 5th deep groove ball bearing.
Above-mentioned a kind of multifunctional medical bone drill, wherein the drill bit includes shell, compression bar, locking member, the locking member
The locking is sheathed on including lock sleeve and the locking chuck and locking wheel that are set to inside the lock sleeve, the shell
Set, the locking chuck and the locking wheel are set to the same end of the lock sleeve, and the locking chuck is set to the lock
Fixed inner wall, there are three the consistent locking wheel, the other end of the lock sleeve has for the inner wall setting of the locking chuck
Part is visited into the connection main shaft, and the connection main shaft is connect departing from one end of the lock sleeve with the link slot, described
Tail sleeve is sheathed on the connection main shaft, and the tail sleeve is fixedly connected on the shell departing from one end of the locating slot, described
The other end of shell is equipped with the third front cover of the fixed lock sleeve, and the inside of the third front cover is equipped with third oil sealing, described
The second bearing washer for being sheathed on the lock sleeve, the third front cover and the shell are equipped between third oil sealing and the shell
Mark ring is equipped between body；
The enclosure interior is equipped with plain bearing housing, the 6th deep groove ball bearing, spring for being sheathed on the lock sleeve, the locking
The spring washer for being arranged with and connecting the spring is put on, is equipped with and is arranged between the spring washer and the 6th deep groove ball bearing
In the circlip for shaft of the lock sleeve, the spring has part to be sheathed on the connection main shaft, covers on the connection main shaft
The 7th deep-groove ball for being sheathed on the connection main shaft is equipped with equipped with the circlip for hole for connecting the spring, inside the tail sleeve
Bearing is equipped with the 3rd bearing for being sheathed on the connection main shaft between the circlip for hole and the 7th deep groove ball bearing
Washer；
The bottom of the shell is equipped with the fixing seat for connecting the compression bar, and the compression bar has part to visit into the enclosure interior and covers
Set on the lock sleeve, the top matching of the compression bar is connected to the plain bearing housing；
The lock sleeve has part to lean out the third front cover in one end of the nearly third front cover.
The technical solution effect provided according to a kind of multifunctional medical bone drill of aforementioned present invention is: the present invention places motor vertically
In the handle, motor output shaft diameter can be reduced, effectively solve small size and export the contradiction of large torque；Using oil sealing conduct
Movable sealing structure increases effective sealing structure, can obstruct watery blood and enter bone drill body interior, not will cause in bone drill ontology
The pollution in portion can effectively extend tool life；The drill bit different there are three structure is set, is suitable for needing different operations
The case where, have the advantages that one adapts to multiple use bone drill；Structure is simple, small in size, mitigates the weight of moving component, power
Foot, as far as possible reduction reactive loss extend to reduce operating current and use the time.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of bone drill ontology in a kind of multifunctional medical bone drill of the present invention；
Fig. 2 is the structural schematic diagram of controller in a kind of multifunctional medical bone drill of the present invention；
Fig. 3 is the structural schematic diagram of tail sleeve in a kind of multifunctional medical bone drill of the present invention；
Fig. 4 is a kind of structural schematic diagram of multifunctional medical bone drill first embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of multifunctional medical bone drill second embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of multifunctional medical bone drill 3rd embodiment of the present invention.
Wherein, appended drawing reference is as follows: bone drill ontology 101, casing 102, handle 103, motor 104, rear spelling cap 105, connection
Slot 106, inner sleeve spell cap 107, guide pin 108, locking pin shaft 109, knob 110, casing and spell cap 111, inner sleeve 112, controller
113, control panel 114, speed regulation device 115, gear-box 116, motor bevel gear 117, drive bevel gear 118, A type flat key 119, biography
Dynamic main shaft 120, the first deep groove ball bearing 121, axle sleeve 122, the second deep groove ball bearing 123, the first oil sealing 124, location key seat
125, torsional spring 126, control button 201, magnet steel 202, button spring 203, push-button socket 204, tail sleeve 301, positioning straight trough 302, fixed
Position skewed slot 303, drill bit 401, connection main shaft 402, drill chuck 403, the first front cover 404, third deep groove ball bearing 405, first axle
Support pad circle 406, circlip for shaft 407, mark ring 408, output shaft 501, gasket 502, protheca 503, the second front cover 504,
Second oil sealing 505, the 4th deep groove ball bearing 506, the 5th deep groove ball bearing 507, central gear 508, needle roller 509, planetary gear
510, internal gear 511, friction plate 512, shell 601, compression bar 602, lock sleeve 603, locking chuck 604, locking wheel 605, third
Front cover 606, third oil sealing 607, second bearing washer 608, plain bearing housing 609, the 6th deep groove ball bearing 610, spring 611,
Spring washer 612, circlip for hole 613, the 7th deep groove ball bearing 614,3rd bearing washer 615, fixing seat 616.
Specific embodiment
In order to realize invention technological means, create feature, reach purpose and effect is easy to understand, lower combination tool
Body diagram, the present invention is further explained.
The first embodiment of the present invention is to provide a kind of multifunctional medical bone drill, it is therefore an objective to reduce motor output shaft diameter,
It effectively solves small size and exports the contradiction of large torque；Using oil sealing as movable sealing structure, increase effective sealing structure, energy
Enough barrier watery blood enters bone drill body interior, not will cause the pollution of bone drill body interior, can effectively extend tool life；
The drill bit different there are three structure is set, suitable for having one bone drill is adapted to multiple use to different the case where needing of performing the operation
The advantages of；Structure is simple, small in size, mitigates the weight of moving component, power foot, as far as possible reduction reactive loss, to drop
Low operating current extends and uses the time.
As shown in Figure 1, a kind of multifunctional medical bone drill, including bone drill ontology 101 and drill bit 401, drill bit 401 are connected to bone
Bore ontology 101, wherein bone drill ontology 101 includes control device, casing 102, handle 103, motor 104, transmission device, handle
103 are fixedly connected on the bottom of casing 102, and transmission device is set to the inside of casing 102, and motor 104 is set to handle 103
Inside, the top of motor 104 are equipped with the gear set of connection transmission device, and one end of the nearly gear set of transmission device is equipped with connection casing
102 rear spelling cap 105, the other end of transmission device are equipped with the link slot 106 of connection drill bit 401, and drill bit 401 is equipped with matching and connects
The connection main shaft 402 of access slot 106 in succession, connects the tail sleeve 301 that connection casing 102 is arranged on main shaft 402, and casing 102 deviates from
The locking device of connection tail sleeve 301 is equipped in rear one end for spelling cap 105；
Locking device includes that inner sleeve spells cap 107, positioning pin, knob 110, casing spelling cap 111, and knob 110 is sheathed on transmission device,
The inner sleeve 112 for being sheathed on transmission device is equipped between knob 110 and transmission device, cap is spelled with inner sleeve respectively in the both ends of inner sleeve 112
107, casing 102 connects, and casing spells one end that cap 111 is sheathed on the nearly casing 102 of inner sleeve 112, and positioning pin is connected to inner sleeve 112,
Tail sleeve 301 is equipped with the locating slot of matching connection positioning pin.
As shown in Fig. 2, a kind of multifunctional medical bone drill provided in this embodiment, the control device of use includes controller
113, control panel 114 and speed regulation device 115, control panel 114 are set to the inside of handle 103, controller 113 and speed regulation device
115 are connected to handle 103, and controller 113 and speed regulation device 115 control connection control panel 114 respectively, and control panel 114 is controlled
System connection motor 104；
Controller 113 includes control button 201 and the magnet steel 202 being set to inside control button 201 and button spring 203,
Magnet steel 202 is set to the upside of button spring 203, and control button 201 is equipped with the push-button socket 204 of connection handle 103；
Control panel 114 is equipped with the hall element sensor of matching magnet steel 202 and speed regulation device 115, passes through control when in use
Control button 201 adjusts the revolving speed of motor 104 to control magnet steel 202 and hall element sensor, and regulating device can adjust
The maximum value of 104 revolving speed of motor, adjusts regulating device as needed, prevents the revolving speed of the motor 104 when needing small revolving speed excessive,
Cause danger.
The inside of a kind of multifunctional medical bone drill provided in this embodiment, the motor 104 of use is equipped with gearbox, motor
104 top be equipped with connection gear group gear-box 116, gear set include the motor bevel gear 117 for being connected to gear-box 116,
It is connected to the drive bevel gear 118 of transmission device, motor bevel gear 117 connect with drive bevel gear 118, motor bevel gear 117
With A type flat key 119 is equipped in drive bevel gear 118, gearbox and motor 104 are become one, can directly will high speed
The part that motor 104 exports is reduced to the revolving speed of medical bone drill needs, improves service efficiency, and integrated gearbox and motor
104 can effectively reduce the volume of motor 104, use medical bone drill lighter, when in use 104 sliding tooth of motor
Roller box 116 rotates, and gear-box 116 drives motor bevel gear 117 to rotate and then drive bevel gear 118 is driven to rotate, and will directly hang down
Straight revolving speed is converted to horizontal revolving speed, improves working efficiency when using.
A kind of multifunctional medical bone drill provided in this embodiment, the transmission device of use include that transmission main shaft 120, first is deep
Ditch ball bearing 121, the first deep groove ball bearing 121 are sheathed on one end of the nearly link slot 106 of transmission main shaft 120, drive bevel gear 118
It is sheathed on the nearly rear one end for spelling cap 105 of transmission main shaft 120, set is equipped between the first deep groove ball bearing 121 and drive bevel gear 118
Set on the axle sleeve 122 of main shaft, the second zanjon for being sheathed on transmission main shaft 120 is equipped between drive bevel gear 118 and rear spelling cap 105
Ball bearing 123, it is rear to spell the first oil sealing 124 for being equipped between cap 105 and transmission main shaft 120 and being sheathed on transmission main shaft 120；
Link slot 106 is set to transmission main shaft 120 departing from rear one end for spelling cap 105, and drive bevel gear 118 drives when in use
Transmission main shaft 120 rotates, and the link slot 106 of 120 output end of transmission main shaft is an interior hexagonal hole, and connection main shaft 402 connects interior
Six square openings are outer six square shafts, and the torsion that motor 104 exports can be transmitted to drill bit 401, easy to connect, convenient for driving.
A kind of multifunctional medical bone drill provided in this embodiment, the positioning pin of use include guide pin 108 and locking pin
Axis 109, guide pin 108 are equipped with the torsional spring 126 of the location key seat 125 of connection inner sleeve 112, connection locking pin shaft 109, positioning
Key seat 125 is set between inner sleeve 112 and knob 110, and torsional spring 126 is sheathed on inner sleeve 112, and guide pin 108 is set in close
Set spells one end of cap 107；
Inner sleeve 112 is sheathed on one end that transmission main shaft 120 is equipped with link slot 106.
A kind of multifunctional medical bone drill provided in this embodiment, guide pin 108 and the locking pin shaft 109 of use run through
Inner sleeve 112 extends at transmission main shaft 120 to the side departing from knob 110；Knob 110 is internally provided with two and consistent leads
To pin shaft 108 and two consistent locking pin shafts 109, when in use, when drill bit 401 is connect with bone drill ontology 101, by tail sleeve
Between 301 insertion inner sleeves 112 and transmission main shaft 120, positioning straight trough 302 is connect with guide pin 108, when tail sleeve 301 is inserted completely
When entering cobalt brill body interior, torsional spring 126 drives locking pin shaft 109 to slide into inside positioning skewed slot 303 effect for realizing locking, prevents
Shaking connects main shaft 402 at this time and matches connection with transmission main shaft 120.
As shown in figure 3, a kind of multifunctional medical bone drill provided in this embodiment, the locating slot of use includes being set to tail sleeve
Positioning straight trough 302 on 301 and positioning skewed slot 303, are symmetrical arranged that there are two consistent positioning straight troughs 302 in tail sleeve 301, each
It is all connected on positioning straight trough 302 and is equipped with positioning skewed slot 303, the opening direction of two positioning skewed slots 303 is opposite；
Positioning straight trough 302 matches connection with guide pin 108, and positioning skewed slot 303 matches connection with locking pin shaft 109.
As shown in figure 4, a kind of multifunctional medical bone drill provided in this embodiment, the drill bit 401 of use includes drill chuck 403
With the first front cover 404, the one end for connecting main shaft 402 is connected to drill chuck 403, and the other end of connection main shaft 402 runs through tail sleeve 301
It is connect with link slot 106, the first front cover 404 is set between drill chuck 403 and tail sleeve 301, and connection is equipped with inside tail sleeve 301 and is connected
Connect the third deep groove ball bearing 405, first bearing washer 406 and circlip for shaft 407 of main shaft 402, circlip for shaft 407
It is set between the first front cover 404 and third deep groove ball bearing 405, tail sleeve 301 is equipped with connection the departing from one end of locating slot
The mark ring 408 of one front cover 404, when in use, by drill chuck 403 need to drill point to be used be fixed on drill chuck 403,
Drill bit 401 provided in this embodiment is high speed drill, and the both ends of connection main shaft 402 directly connect with collet, transmission main shaft 120, pass
Dynamic main shaft 120, which directly drives connection connection main shaft 402 and then drives, drives drill chuck 403, compact-sized, has efficient work
Efficiency.
Second embodiment:
As shown in figure 5, different from the first embodiment a kind of multifunctional medical bone drill provided in this embodiment, the drill bit of use
401 include drill chuck 403 and output shaft 501, the both ends of output shaft 501 respectively with drill chuck 403, connect main shaft 402 and connects, company
The one end for connecing main shaft 402 has part to visit into output shaft 501, visits and is arranged with into the periphery of the connection main shaft 402 inside output shaft 501
The other end of gasket 502, connection main shaft 402 is connect through tail sleeve 301 with link slot 106；
The periphery of output shaft 501 is arranged with the protheca 503 of connection tail sleeve 301, and tail sleeve 301 is connected to departing from one end of locating slot
Protheca 503, protheca 503 are connected with the second front cover 504 departing from one end of tail sleeve 301, the second front cover 504 and protheca 503 it
Between be equipped with marker loop, the second oil sealing 505 for being sheathed on output shaft 501 is equipped with inside front cover；
It is equipped with the 4th deep groove ball bearing 506 between output shaft 501 and protheca 503, connects and is equipped between main shaft 402 and tail sleeve 301
5th deep groove ball bearing 507 connects the central gear 508 that connection output shaft 501 is arranged on main shaft 402, central gear 508
Top is successively arranged needle roller 509, planetary gear 510, internal gear 511 from the bottom to top；
The friction plate 512 for being sheathed on connection main shaft 402, this implementation are equipped between central gear 508 and the 5th deep groove ball bearing 507
Example provide drill bit 401 be low speed drill bit 401, when in use, by drill chuck 403 need to drill point to be used be fixed on drill point
On first 403, transmission main shaft 120 is drivingly connected main shaft 402 and then drives transmission axle, connects and is arranged between main shaft 402 and transmission axle
Central gear 508 and planetary gear 510 have the effect of slowing down, improve the torque of output, reduction revolving speed.
3rd embodiment:
As shown in fig. 6, different from the first embodiment, a kind of multifunctional medical bone drill provided in this embodiment, the brill of use
First 401 include shell 601, compression bar 602, locking member, and locking member includes lock sleeve 603 and is set to inside lock sleeve 603
Locking chuck 604 and locking wheel 605, shell 601 are sheathed on lock sleeve 603, and locking chuck 604 and locking wheel 605 are set to lock
Fixed 603 the same end, locking chuck 604 are set to the inner wall of lock sleeve 603, and there are three the inner wall settings of locking chuck 604
Consistent locking wheel 605, the other end of lock sleeve 603 have part to visit into connection main shaft 402, connect main shaft 402 departing from locking
One end of set 603 is connect with link slot 106, and tail sleeve 301 is sheathed on connection main shaft 402, the one end of tail sleeve 301 departing from locating slot
It is fixedly connected on shell 601, the other end of shell 601 is equipped with the third front cover 606 of fixed lock sleeve 603, third front cover 606
Inside is equipped with third oil sealing 607, and the second bearing washer for being sheathed on lock sleeve 603 is equipped between third oil sealing 607 and shell 601
608, mark ring 408 is equipped between third front cover 606 and shell 601；
Plain bearing housing 609, the 6th deep groove ball bearing 610, spring 611 for being sheathed on lock sleeve 603 are equipped with inside shell 601,
The spring washer 612 of connecting spring 611 is arranged on lock sleeve 603, between spring washer 612 and the 6th deep groove ball bearing 610
Equipped with the circlip for shaft 407 for being sheathed on lock sleeve 603, spring 611 has part to be sheathed on connection main shaft 402, connects main shaft
It is arranged with the circlip for hole 613 of connecting spring 611 on 402, is equipped with inside tail sleeve 301 and is sheathed on the of connection main shaft 402
Seven deep groove ball bearings 614 are equipped between circlip for hole 613 and the 7th deep groove ball bearing 614 and are sheathed on connection main shaft 402
3rd bearing washer 615；
The bottom of shell 601 is equipped with the fixing seat 616 of connection compression bar 602, and compression bar 602 has part to visit into 601 inside of shell and covers
Set on lock sleeve 603, the top matching of compression bar 602 is connected to plain bearing housing 609；
Lock sleeve 603 has part to lean out third front cover 606 in one end of nearly third front cover 606, and the present embodiment structure is Kirschner wire
It bores, the course of work that the locking member used when in use can be locked and be unclamped under the driving of compression bar 602 is pulling compression bar
602 when injecting locking member for Kirschner wire, due to being unclamped simultaneously using three consistent locking wheels 605, is inserted into 0.8 in the least
The Kirschner wire of -3.5 millimeters of rice, improves the selection of Kirschner wire, since the position that locking wheel 605 is contacted with Kirschner wire is changed to by circle
It is rectangular, the contact between locking wheel 605 and Kirschner wire can be become line from point contact and contacted, increased the area of clamping, mention
The high stability of clamping and the concentricity of drill bit 401.
To sum up, a kind of multifunctional medical bone drill of the invention, can reduce motor output shaft diameter, effectively solution small size
With the contradiction of output large torque；Using oil sealing as movable sealing structure, increase effective sealing structure, watery blood entrance can be obstructed
Bone drill body interior not will cause the pollution of bone drill body interior, can effectively extend tool life；There are three structures for setting
Different drill bit, suitable for having the advantages that one adapts to multiple use bone drill to different the case where needing of performing the operation；Structure letter
It is single, small in size, mitigate the weight of moving component, power foot, reduction reactive loss as far as possible prolongs to reduce operating current
It is long to use the time.
The specific embodiment of invention is described above.It is to be appreciated that invention be not limited to it is above-mentioned specific
Embodiment, devices and structures not described in detail herein should be understood as is practiced with the common mode in this field；
Those skilled in the art can make within the scope of the claims various deformations or amendments make it is several it is simple deduce, deformation or
Replacement, this has no effect on the substantive content of invention.
Claims (10)
1. a kind of multifunctional medical bone drill, including bone drill ontology and drill bit, the drill bit is connected to the bone drill ontology, feature
It is, the bone drill ontology includes control device, casing, handle, motor, transmission device, and the handle is fixedly connected on described
The bottom of casing, the transmission device are set to the inside of the casing, and the motor is set to the inside of the handle, described
The top of motor is equipped with the gear set for connecting the transmission device, and one end of the closely described gear set of the transmission device is equipped with connection
The rear spelling cap of the casing, the other end of the transmission device are equipped with the link slot for connecting the drill bit, and the drill bit is equipped with
Matching connects the connection main shaft of the link slot, is arranged with the tail sleeve for connecting the casing, the casing on the connection main shaft
The locking device for connecting the tail sleeve is equipped with departing from described rear one end for spelling cap；
The locking device includes that inner sleeve spells cap, positioning pin, knob, casing spelling cap, and the knob sleeve is set to the transmission device,
Be equipped between the knob and the transmission device and be sheathed on the inner sleeve of the transmission device, the both ends of the inner sleeve respectively with institute
It states inner sleeve and spells cap, casing connection, the casing spells one end that cap sleeve is set to the closely described casing of the inner sleeve, the positioning pin
It is connected to the inner sleeve, the tail sleeve is equipped with the locating slot that matching connects the positioning pin.
2. a kind of multifunctional medical bone drill as described in claim 1, which is characterized in that the control device include controller,
Control panel and speed regulation device, the control panel are set to the inside of the handle, the controller and the speed regulation device point
It is not connected to the handle, the controller and the speed regulation device control the connection control panel, the control panel control respectively
System connects the motor；
The controller includes control button and the magnet steel being set to inside the control button and button spring, the magnet steel
It is set to the upside of the button spring, the control button is equipped with the push-button socket for connecting the handle；
The control panel is equipped with the hall element sensor for matching the magnet steel and the speed regulation device.
3. a kind of multifunctional medical bone drill as claimed in claim 2, which is characterized in that the inside of the motor is equipped with speed change
Case, the top of the motor are equipped with the gear-box for connecting the gear set, and the gear set includes being connected to the gear-box
Motor bevel gear, the drive bevel gear for being connected to the transmission device, the motor bevel gear connect with the drive bevel gear,
A type flat key is equipped in the motor bevel gear and the drive bevel gear.
4. a kind of multifunctional medical bone drill as claimed in claim 3, which is characterized in that the transmission device includes transmission master
Axis, the first deep groove ball bearing, first deep groove ball bearing is sheathed on one end of the closely described link slot of the transmission main shaft, described
Drive bevel gear is sheathed on the nearly described rear one end for spelling cap of the transmission main shaft, and first deep groove ball bearing and the transmission are bored
It is equipped with the axle sleeve for being sheathed on the main shaft between gear, is equipped between the drive bevel gear and the rear spelling cap described in being sheathed on
Second deep groove ball bearing of transmission main shaft is equipped between spelling cap and the transmission main shaft after described and is sheathed on the transmission main shaft
First oil sealing；
The link slot is set to the transmission main shaft departing from described rear one end for spelling cap.
5. a kind of multifunctional medical bone drill as claimed in claim 4, which is characterized in that the positioning pin include guide pin with
Pin shaft is locked, the guide pin is equipped with the torsional spring of the location key seat for connecting the inner sleeve, the connection locking pin shaft, described
Location key seat is set between the inner sleeve and the knob, and the torsion spring set is set to the inner sleeve, the guide pin setting
One end of cap is spelled in the nearly inner sleeve；
The inner sleeve is sheathed on one end that the transmission main shaft is equipped with the link slot.
6. a kind of multifunctional medical bone drill as claimed in claim 5, which is characterized in that the guide pin and the locking
Pin shaft runs through the inner sleeve and extends at the transmission main shaft to the side departing from the knob；Setting inside the knob
There are two consistent guide pin and two consistent locking pin shafts.
7. a kind of multifunctional medical bone drill as claimed in claim 6, which is characterized in that the locating slot includes being set to institute
It states the positioning straight trough in tail sleeve and positions skewed slot, arranged symmetrically in the tail sleeve there are two the consistent positioning straight troughs, each
It is all connected on the positioning straight trough equipped with the positioning skewed slot, the opening direction of two positioning skewed slots is opposite；
The positioning straight trough matches connection with the guide pin, and the positioning skewed slot matches connection with the locking pin shaft.
8. a kind of multifunctional medical bone drill as claimed in claim 7, which is characterized in that the drill bit includes drill chuck and the
One end of one front cover, the connection main shaft is connected to the drill chuck, the other end of the connection main shaft through the tail sleeve with
The link slot connection, first front cover are set between the drill chuck and the tail sleeve, the company of being equipped with inside the tail sleeve
Third deep groove ball bearing, first bearing washer and the circlip for shaft of the connection main shaft are connect, the circlip for shaft is set
It is placed between first front cover and the third deep groove ball bearing, the tail sleeve is equipped with departing from one end of the locating slot to be connected
Connect the mark ring of first front cover.
9. a kind of multifunctional medical bone drill as claimed in claim 7, which is characterized in that the drill bit include drill chuck with it is defeated
Shaft, the both ends of the output shaft are connected with the drill chuck, the connection main shaft respectively, and there is portion in one end of the connection main shaft
Divide and visit into the output shaft, visits into the periphery of the connection main shaft inside the output shaft and be arranged with gasket, the connection
The other end of main shaft is connect through the tail sleeve with the link slot；
The periphery of the output shaft is arranged with the protheca for connecting the tail sleeve, and the tail sleeve connects departing from one end of the locating slot
Be connected to the protheca, the protheca is connected with the second front cover departing from one end of the tail sleeve, second front cover with it is described
It is equipped with marker loop between protheca, is equipped with the second oil sealing for being sheathed on the output shaft inside the front cover；
It is equipped with the 4th deep groove ball bearing between the output shaft and the protheca, is equipped between the connection main shaft and the tail sleeve
5th deep groove ball bearing is arranged with the central gear for connecting the output shaft, the top of the central gear on the connection main shaft
Portion is successively arranged needle roller, planetary gear, internal gear from the bottom to top；
The friction plate for being sheathed on the connection main shaft is equipped between the central gear and the 5th deep groove ball bearing.
10. a kind of multifunctional medical bone drill as claimed in claim 7, which is characterized in that the drill bit include shell, compression bar,
Locking member, the locking member include lock sleeve and the locking chuck and locking wheel that are set to inside the lock sleeve, the shell
Body is sheathed on the lock sleeve, and the locking chuck and the locking wheel are set to the same end of the lock sleeve, the locking
Collet is set to the inner wall of the lock sleeve, and there are three the consistent locking wheels for the inner wall setting of the locking chuck, described
The other end of lock sleeve has part to visit into the connection main shaft, the connection main shaft departing from the lock sleeve one end with it is described
Link slot connection, the tail sleeve are sheathed on the connection main shaft, and the tail sleeve is fixedly connected departing from one end of the locating slot
In the shell, the other end of the shell is equipped with the third front cover of the fixed lock sleeve, and the inside of the third front cover is set
There is third oil sealing, the second bearing washer for being sheathed on the lock sleeve is equipped between the third oil sealing and the shell, it is described
Mark ring is equipped between third front cover and the shell；
The enclosure interior is equipped with plain bearing housing, the 6th deep groove ball bearing, spring for being sheathed on the lock sleeve, the locking
The spring washer for being arranged with and connecting the spring is put on, is equipped with and is arranged between the spring washer and the 6th deep groove ball bearing
In the circlip for shaft of the lock sleeve, the spring has part to be sheathed on the connection main shaft, covers on the connection main shaft
The 7th deep-groove ball for being sheathed on the connection main shaft is equipped with equipped with the circlip for hole for connecting the spring, inside the tail sleeve
Bearing is equipped with the 3rd bearing for being sheathed on the connection main shaft between the circlip for hole and the 7th deep groove ball bearing
Washer；
The bottom of the shell is equipped with the fixing seat for connecting the compression bar, and the compression bar has part to visit into the enclosure interior and covers
Set on the lock sleeve, the top matching of the compression bar is connected to the plain bearing housing；
The lock sleeve has part to lean out the third front cover in one end of the nearly third front cover.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017113859252 | 2017-12-20 | ||
| CN201711385925 | 2017-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109199525A true CN109199525A (en) | 2019-01-15 |
Family
ID=64994907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811305830.XA Pending CN109199525A (en) | 2017-12-20 | 2018-11-05 | A kind of multifunctional medical bone drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109199525A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110522493A (en) * | 2019-08-14 | 2019-12-03 | 蚌埠医学院第一附属医院 | A kind of operation of opening cranium skull milling cutter |
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| US20070144752A1 (en) * | 2005-11-04 | 2007-06-28 | Credo Technology Corporation | Method and apparatus for an articulating drill |
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