CN208769897U - The reciprocator of bone drill reciprocating saw - Google Patents
The reciprocator of bone drill reciprocating saw Download PDFInfo
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- CN208769897U CN208769897U CN201820149445.XU CN201820149445U CN208769897U CN 208769897 U CN208769897 U CN 208769897U CN 201820149445 U CN201820149445 U CN 201820149445U CN 208769897 U CN208769897 U CN 208769897U
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- eccentric
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- moving mechanism
- shaft
- reciprocating saw
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Abstract
The utility model discloses a kind of reciprocators of bone drill reciprocating saw, and driving gear is provided on transmission shaft, and the driven gear engaged with driving gear is provided on main eccentric moving mechanism, and main eccentric moving mechanism connector couples with secondary eccentric moving mechanism.The output shaft that the utility model uses motor successively drives driving gear, driven gear, the main eccentric wheel of main eccentric shaft, the slave eccentric wheel from eccentric shaft, turntable rotation, driven by rotary disc reciprocating saw blade moves reciprocatingly, main eccentric wheel and secondary eccentric wheel can offset the eccentric force of eccentric shaft during running at high speed, the running noise of reciprocating member and the vibration for reducing bone drill reciprocating saw improve the comfort of patient and doctor in the course of surgery.
Description
Technical field
The utility model belongs to the field of medical instrument technology, and in particular to reciprocal to the bone drill to cranium brain and bone surgery
The reciprocating member of saw.
Background technique
The relatively conventional surgical operation of orthopaedics is completed by bone drill reciprocating saw, and reciprocating saw is to be used to sawed-off bone in surgical operation
The tool of bone, when use, pass through grips saw blade and are driven by power handle, realize high when carrying out cranium brain and bone surgery
The reciprocal saw of speed into.It is more demanding to reciprocating saw noise level and running stability in the course of surgery, existing bone drill reciprocating saw
Noise is larger in reciprocatory movement, is easy that patient is made not feel good over the course for the treatment of, while also doctor can be made to use
It does not feel good in the process and then influences surgical quality.
Summary of the invention
The technical problem to be solved by the utility model is to overcome the above-mentioned prior art, a kind of structure letter is provided
It is single, the reciprocator of noise, the lesser bone drill reciprocating saw of vibration.
Solving technical solution used by above-mentioned technical problem is: driving gear, main eccentric fortune are provided on transmission shaft
The driven gear engaged with driving gear, main eccentric moving mechanism connector and secondary eccentric moving mechanism are provided on motivation structure
Connection.
The main eccentric moving mechanism of the utility model are as follows: the side of main eccentric wheel is provided with main eccentric shaft, the other side is set
Coupling spindle, the center line of main eccentric shaft and the centerline parallel of coupling spindle are equipped with, in the center line and coupling spindle of main eccentric shaft
The distance between heart line is 1~2mm.
The secondary eccentric moving mechanism of the utility model are as follows: secondary eccentric wheel, secondary eccentric wheel connector are set on secondary eccentric shaft
Couple with coupling spindle, one end connection coupling spindle, the other end of turntable connect one end of connecting rod, and reciprocating saw is arranged in the other end of connecting rod
Piece.
The output shaft that the utility model uses motor successively drives driving gear, driven gear, the master of main eccentric shaft inclined
Heart wheel is rotated from slave eccentric wheel, the turntable of eccentric shaft, and driven by rotary disc reciprocating saw blade moves reciprocatingly, and main eccentric wheel and pair are eccentric
Wheel can offset the eccentric force of eccentric shaft during running at high speed, and the reciprocating member for reducing bone drill reciprocating saw is running
Noise and vibration improve the comfort of patient and doctor in the course of surgery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model one embodiment.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural schematic diagram of secondary eccentric moving mechanism in Fig. 2.
Fig. 4 is the structural schematic diagram of main eccentric moving mechanism in Fig. 2.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment 1
As shown in Figs 1-4, the reciprocator of the bone drill reciprocating saw of the present embodiment is by transmission shaft 1, driving gear 2, pair
Eccentric shaft 3, connector 4, secondary eccentric wheel 5, turntable 6, connecting rod 7, reciprocating saw blade 8, driven gear 9, main eccentric shaft 10, main eccentric wheel
11, the connection of coupling spindle 12 is constituted.
Driving gear 2 is installed on transmission shaft 1, the output axis connection transmission shaft 1 of motor is arranged on main eccentric moving mechanism
Driven gear 9, driving gear 2 and driven gear 9 are intermeshed, the main eccentric moving mechanism are as follows: the one of main eccentric wheel 11
Main eccentric shaft 10 is installed in side, and coupling spindle 12, the center line and coupling spindle 12 of main eccentric shaft 10 are installed in the other side of main eccentric wheel 11
Centerline parallel and be not overlapped, the distance between center line of center line of main eccentric shaft 10 and coupling spindle 12 is 1.5mm.It is main
Eccentric moving mechanism is coupled with connector 4 with secondary eccentric moving mechanism, the secondary eccentric moving mechanism are as follows: on secondary eccentric shaft 3
Secondary eccentric wheel 5 is set, and connector 4 passes through hole connection coupling spindle 12 and secondary eccentric wheel 5 on secondary eccentric wheel 5, and connector 4 is pin
Nail, one end of turntable 6 connect coupling spindle 12, and one end of the other end connection connecting rod 7 of turntable 6, the installation of 7 other end end of connecting rod is back and forth
Saw blade 8.
The working principle of the present embodiment is:
Electrical power drives transmission shaft 1 to rotate, and transmission shaft 1 drives driving gear 2 to rotate, driving gear 2 and driven gear 9
Intermeshing, driven gear 9 drive the secondary eccentric wheel 5 of the main eccentric wheel 11 of main eccentric shaft 10, secondary eccentric shaft 3 to rotate, coupling spindle
12 drive one end rotation of turntable 6, and connecting rod 7 drives reciprocating saw blade to move reciprocatingly, completes the evidence to cranium brain and bone surgery
Knochenbruch bores operation, and in the course of surgery, main eccentric wheel 11 and secondary eccentric wheel 5 can offset eccentric shaft during running at high speed
Eccentric force can reduce the running noise of reciprocating member and the vibration of bone drill reciprocating saw, improve patient and doctor in hand
Comfort during art.
Embodiment 2
Driving gear 2 is installed on transmission shaft 1, the output axis connection transmission shaft 1 of motor is arranged on main eccentric moving mechanism
Driven gear 9, driving gear 2 and driven gear 9 are intermeshed, the main eccentric moving mechanism are as follows: the one of main eccentric wheel 11
Main eccentric shaft 10 is installed in side, and coupling spindle 12, the center line and coupling spindle 12 of main eccentric shaft 10 are installed in the other side of main eccentric wheel 11
Centerline parallel and be not overlapped, the distance between center line of center line of main eccentric shaft 10 and coupling spindle 12 is 1mm.It is main inclined
Heart movement mechanism is coupled with connector 4 with secondary eccentric moving mechanism, the secondary eccentric moving mechanism are as follows: set on secondary eccentric shaft 3
Secondary eccentric wheel 5 is set, connector 4 passes through hole connection coupling spindle 12 and secondary eccentric wheel 5 on secondary eccentric wheel 5, and connector 4 is pin,
One end of turntable 6 connects coupling spindle 12, and one end of the other end connection connecting rod 7 of turntable 6, reciprocating saw is installed at 7 other end end of connecting rod
Piece 8.
The connecting relation of other components and components is same as Example 1, and working principle is same as Example 1.
Embodiment 3
Driving gear 2 is installed on transmission shaft 1, the output axis connection transmission shaft 1 of motor is arranged on main eccentric moving mechanism
Driven gear 9, driving gear 2 and driven gear 9 are intermeshed, the main eccentric moving mechanism are as follows: the one of main eccentric wheel 11
Main eccentric shaft 10 is installed in side, and coupling spindle 12, the center line and coupling spindle 12 of main eccentric shaft 10 are installed in the other side of main eccentric wheel 11
Centerline parallel and be not overlapped, the distance between center line of center line of main eccentric shaft 10 and coupling spindle 12 is 2mm.It is main inclined
Heart movement mechanism is coupled with connector 4 with secondary eccentric moving mechanism, the secondary eccentric moving mechanism are as follows: set on secondary eccentric shaft 3
Secondary eccentric wheel 5 is set, connector 4 passes through hole connection coupling spindle 12 and secondary eccentric wheel 5 on secondary eccentric wheel 5, and connector 4 is pin,
One end of turntable 6 connects coupling spindle 12, and one end of the other end connection connecting rod 7 of turntable 6, reciprocating saw is installed at 7 other end end of connecting rod
Piece 8.
The connecting relation of other components and components is same as Example 1, and working principle is same as Example 1.
Claims (1)
1. a kind of reciprocator of bone drill reciprocating saw, it is characterised in that: driving gear (2) are provided on transmission shaft (1),
The driven gear (9) engaged with driving gear (2), main eccentric moving mechanism connector are provided on main eccentric moving mechanism
(4) couple with pair eccentric moving mechanism, the main eccentric moving mechanism are as follows: be provided in the side of main eccentric wheel (11) main inclined
Mandrel (10), the other side are provided with coupling spindle (12), the center line of main eccentric shaft (10) and the centerline parallel of coupling spindle (12),
The distance between center line and the center line of coupling spindle (12) of main eccentric shaft (10) are 1~2mm, the secondary eccentric motion machine
Structure are as follows: secondary eccentric wheel (5) is set on secondary eccentric shaft (3), and secondary eccentric wheel (5) is coupled with connector (4) with coupling spindle (12), turntable
(6) reciprocating saw blade is arranged in one end of one end connection coupling spindle (12), other end connection connecting rod (7), the other end of connecting rod (7)
(8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149445.XU CN208769897U (en) | 2018-01-30 | 2018-01-30 | The reciprocator of bone drill reciprocating saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149445.XU CN208769897U (en) | 2018-01-30 | 2018-01-30 | The reciprocator of bone drill reciprocating saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208769897U true CN208769897U (en) | 2019-04-23 |
Family
ID=66141134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820149445.XU Active CN208769897U (en) | 2018-01-30 | 2018-01-30 | The reciprocator of bone drill reciprocating saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208769897U (en) |
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2018
- 2018-01-30 CN CN201820149445.XU patent/CN208769897U/en active Active
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