CN208822881U - A kind of reciprocal abrasive drilling of bias - Google Patents
A kind of reciprocal abrasive drilling of bias Download PDFInfo
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- CN208822881U CN208822881U CN201820834119.2U CN201820834119U CN208822881U CN 208822881 U CN208822881 U CN 208822881U CN 201820834119 U CN201820834119 U CN 201820834119U CN 208822881 U CN208822881 U CN 208822881U
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- eccentric shaft
- abrasive drilling
- bistrique
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- drive
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Abstract
The utility model discloses a kind of reciprocal abrasive drilling of bias, including abrasive drilling device and reciprocating apparatus, the abrasive drilling device includes bistrique (1) and support rod, and the bistrique (1) is threaded through in support rod by the first mill handle (11)；The reciprocating apparatus includes connector sleeve (3), input eccentric shaft (31), output eccentric shaft (32), front casing (33) and rear casing (34), under the drive of the drive, input eccentric shaft (31) band rotary bistrique (1) makees crankmotion.The utility model is in curved support rod, the mill handle being connected on reciprocating apparatus is set, the operation for driving the bistrique being rotating to carry out reciprocal grinding bone tissue reduces the space occupied in the case where the deflection of drive rod drives, alleviate weight, it is used convenient for the grinding of multi-angle, structure is simple, and it is convenient to operate, stability is high, and safety is good.
Description
Technical field
The utility model relates to bone tissues to grind cutting-tool engineering field, in particular to a kind of reciprocal abrasive drilling of bias.
Background technique
Operation is usually all to be ground using the one-directional rotation of cutter head to bone tissue with abrasive drilling, is one-directionally rotated so that cutter head
Larger to the instantaneous stock removal of bone tissue, wound face is larger, and bone tissue restores slower also, vertical support rod, cannot be in hand
The better visual field is provided in art, especially for the entrance of privileged sites, inconvenience observation；In addition, commonly used operation is used
Abrasive drilling using effect is single, bad to complicated bone tissue ground effect, and bearing uses so that deflection amplitude is larger, and occupancy is empty
Between it is big, abrasive drilling overall weight is big so that bearing wear is larger, higher cost.
Utility model content
The technical problem to be solved by the present invention is to provide one kind can be reduced occupied space, effectively control stock removal with
And the reciprocal abrasive drilling of bias convenient for grinding observation.
The technical solution of the utility model is as follows:
A kind of reciprocal abrasive drilling of bias, including abrasive drilling device and reciprocating apparatus, the abrasive drilling device include bistrique and support rod,
The support rod includes the first bending segment and the second bending segment, arc transition section is equipped between two bending segments, described
It is connected with the first mill handle on bistrique, the second mill handle is equipped in second bending segment, the first mill handle wears curved into first
In trisection, one section of elastic wire, the elastic wire are equipped at the position for corresponding to arc transition section between handles in two described grind
Both ends respectively with first mill handle and second mill handle be fixedly connected；It is connected with reciprocating apparatus on the second mill handle, it is described past
Apparatus for coating includes that connector sleeve, input eccentric shaft, output eccentric shaft, front casing and rear casing, the connector sleeve are equipped with first
Shape hole is equipped with the second strip-shaped hole in one end of the strip-shaped hole, first bearing is arranged on the input eccentric shaft, and the output is inclined
Mandrel is equipped with a drive rod, and the first bearing is socketed in the first strip-shaped hole, and the drive rod is socketed in the second bar shaped
In hole, also it is set for the eccentric between the output eccentric shaft and input eccentric shaft, exports the eccentricity of the drive rod on eccentric shaft
Greater than the eccentricity of the first bearing on input eccentric shaft；
The input eccentric shaft is connect with driving device, and the input eccentric shaft is connect with driving device, and the output is inclined
Mandrel is connect with the second mill handle, and the front casing is socketed on the second bending segment, and the rear casing is socketed on input eccentric shaft,
The front casing connects to form a cavity body with rear casing, and the connection is set in the cavity body, in the front casing
Side is equipped with the connecting rod to extend back, and the elongated end of the connecting rod is worn on the corresponding position for being connected to rear casing, after described
The lateral wall of shell is equipped with non-slip groove, and one end of the connector sleeve is threaded through in connecting rod, under the drive of the drive, input
Eccentric shaft band rotary bistrique makees crankmotion.
Using the above structure, the support rod for being bent setting avoids visual angle interference, and operative doctor can be allowed easily to see mill
The case where boring operating position, convenient for being observed when performing an operation；It is threaded through in support rod in the mill handle of bistrique, the rotation of bistrique will not
It is influenced by the external world, while being also convenient for holding, connect reciprocating apparatus on mill handle, reciprocating apparatus band under the drive of the drive
Dynamic abrasive drilling device makees crankmotion, and such crankmotion can be more stable when handling bone tissue, can improve bone tissue
Grinding surface or repair surface treatment effect, wound restores faster, can also control stock removal well, operates convenient, installation side
Just.
In order to simplify structure, convenient for operation, preferably, input eccentric shaft list rotation connection is on the drive means,
Bearing on input eccentric shaft makees unidirectional rotary motion, drives connector sleeve to do crankmotion, and be converted into the biography of output end
Lever makees crankmotion, thus makees reciprocating rotary rotation through output eccentric shaft band rotary bistrique.
Installation interference in order to prevent, preferably, the side on the drive rod on the output eccentric shaft is equipped with one section
Flat mouth section.
Installation interference in order to prevent, preferably, being embedded with two second bearings in the rear casing, the input is inclined
Mandrel is fed through two second bearings, to achieve the purpose that be connected and fixed with rear casing.
Bistrique loosens in order to prevent, preferably, the front end sleeve in the first mill handle is equipped with stop collar, the stop collar
Rear end face is abutted with the front end face of the first bending segment, to achieve the purpose that bistrique axially position.
For the ease of the grinding observation to privileged sites, preferably, the arc chord angle of the arc transition section is 5~20 °.
The utility model has the advantages that the mill handle being connected on reciprocating apparatus, band turn in curved support rod, is arranged in the utility model
The operation that the bistrique moved carries out reciprocal grinding bone tissue reduces the space occupied in the case where the deflection of drive rod drives, and mitigates
Weight uses convenient for the grinding of multi-angle, and structure is simple, and it is convenient to operate, and stability is high, and safety is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the mounting structure explosive view of the utility model.
Fig. 3 is the structural schematic diagram of bistrique, the first mill handle, the second mill handle and elastic wire.
Fig. 4 is the structural schematic diagram for exporting eccentric shaft.
Fig. 5 is the usage state diagram of reciprocating apparatus.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, including abrasive drilling device and reciprocating apparatus, the abrasive drilling device include mill
Head (1) and support rod, the support rod include the first bending segment 21 and the second bending segment 22, are equipped between two bending segments
Arc transition section 23, the arc chord angle of the arc transition section 23 are 5~20 °, preferably 10 °；It is connected on the bistrique 1
First mill handle 11, is equipped with the second mill handle 12 in second bending segment 22, and the first mill handle 11 is worn into the first bending segment
In 21, one section of elastic wire 13, the Elastic Steel are equipped at the position for corresponding to arc transition section 23 between handles in two described grind
The both ends of silk 13 are fixed with the first mill handle 11 and the second mill 12 adhesion of handle respectively；Stop collar is equipped in the front end sleeve of the mill handle
14, the rear end face of the stop collar 14 is abutted with the front end face of the first bending segment 21, to achieve the purpose that 1 axially position of bistrique.
The reciprocating apparatus includes connector sleeve 3, input eccentric shaft 31, exports eccentric shaft 32, front casing 33 and rear casing 34,
The connector sleeve 3 is equipped with the first strip-shaped hole 35, is equipped with the second strip-shaped hole 36 in one end of the strip-shaped hole 35, the input is eccentric
First bearing 42 is arranged on axis 31, the output eccentric shaft 32 is equipped with a drive rod 43, on the drive rod 43
Side is equipped with one section of flat mouth section 431, and the first bearing 42 is socketed in the first strip-shaped hole 35, and the drive rod 43 is socketed in the
In two strip-shaped holes 36, also it is set for the eccentric, is exported on eccentric shaft 32 between the output eccentric shaft 32 and input eccentric shaft 31
The eccentricity of drive rod 43 is greater than the eccentricity of the first bearing 42 on input eccentric shaft 31；It is embedded in the rear casing 34
Two second bearings 341, the input eccentric shaft 31 are fed through two second bearings 341, are connect with rear casing 34 admittedly with reaching
Fixed purpose.
The input eccentric shaft 31 is connect with driving device, and the input eccentric shaft 31 is connect with driving device, described defeated
Eccentric shaft 32 is connect with the second mill handle 12 out, and the front casing 33 is socketed on the second bending segment 22, and the rear casing 34 is socketed
On input eccentric shaft 31, the front casing 33 and the connection of rear casing 34 form a cavity body, and the connector sleeve 3 is located at the cavity
In vivo, the connecting rod 41 to extend back is equipped in the inside of the front casing 33, the elongated end of connecting rod 41 wears connection
On the corresponding position of rear casing 34, the lateral wall of the rear casing 34 is equipped with non-slip groove 37, and one end of the connector sleeve 3 is worn
It is located in connecting rod 41, the single rotation connection of the input eccentric shaft 31 on the drive means, inputs the bearing 42 on eccentric shaft 31
Make unidirectional rotary motion, drives connector sleeve 3 to do crankmotion, and the drive rod 43 for being converted into output end makees reciprocating rotary transhipment
It is dynamic, thus make reciprocating rotary rotation with rotary bistrique 1 through output eccentric shaft 32.
The application method of the utility model is as follows:
As shown in Fig. 1 to Fig. 5, first 13 adhesion of elastic wire is fixed between the first mill handle 11 and the second mill handle 12, so
Two mill handles are worn into the first bending segment 21, arc transition section 23 and the second bending segment 22 afterwards, and are located at elastic wire 13
At the position of arc transition section 23, exposes bistrique 1, stop collar 14 is set on the first mill handle 11, after the stop collar (14)
End face is abutted with the front end face of the first bending segment 11, to achieve the purpose that bistrique (1) axially position, then is held in front casing
33 and rear casing 34 connection formed shell on, non-slip groove 37 can prevent in use process because take loosely due to slide the case where hair
It is raw.
Then, start driving device (not indicating), input eccentric shaft 31 drives eccentric end rotation, inputs on eccentric shaft 31
Bearing 42 plugs in the first strip-shaped hole 35 on connector sleeve 3, and the drive rod 43 exported on eccentric shaft 32 plugs on connector sleeve 3
The second strip-shaped hole 36 in, input 31 eccentric end of eccentric shaft eccentric rotary, drive the bearing 42 of corresponding position in connector sleeve 3
Be slidably matched, just drive the connector sleeve 3 that is threaded through in connecting rod 41 to make (the i.e. a and b in Fig. 5 of the left and right on circumferencial direction
Shown in state clockwise, counterclockwise) move back and forth, meanwhile, drive the drive rod 42 on output eccentric shaft 32 equally to make
The left and right on circumferencial direction moves back and forth out, which connect with the second mill handle 12, therefore inputs eccentric shaft 31
Connector sleeve 3 is driven to make reciprocating movement, to drive output eccentric shaft 32 also to make same reciprocating movement, so that inclined with output
The second mill handle 12 that mandrel 32 connects makes reciprocating movement, also drives the first mill handle 11 and mill connected by elastic wire 13
First 1 also makes reciprocating movement accordingly, and such crankmotion can be more stable when handling bone tissue, can improve bone tissue
The treatment effect of grinding surface or repair surface, wound restore faster, can also control stock removal well, and it is convenient to operate, easy for installation.
In actual application, it since input eccentric shaft 31 and output eccentric shaft 32 are eccentric settings, and exports eccentric
The eccentricity of drive rod 43 on axis 32 is greater than the eccentricity of the bearing 42 on input eccentric shaft 31, meanwhile, it is inclined in the output
The side in transmission 43 in mandrel 32 is equipped with one section of flat mouth section 431, and such driving device drives input eccentric shaft in input terminal
Bearing 42 on 31 is that will not interfere with the drive rod 42 on output eccentric shaft 31 as single direction rotation, due to input terminal
Single direction rotation radius is less than the reciprocal radius of deflection of output end, and is located in two different strip-shaped holes, first bearing 42 and biography
Even lever 43 will not interfere in the state that offset is superimposed；Meanwhile by illustrating it is found that the second strip-shaped hole
36 width reduces the amplitude of output end reciprocating movement, reduces occupied space less than the width of the first strip-shaped hole 35, mitigates
The weight of abrasive drilling, reduces costs.
Arc transition section 23 has 10 ° of crooked radian, and convenient for observing the insertion grinding of privileged sites, elastic wire 13 exists
The reciprocating rotation of this position will not stress too much influence by bending, along with being reciprocating rotation, and the elasticity having in itself
The compensation of power, elastic wire 13 are not only easy bending, will not influence service life.
The non-description section of the utility model is consistent with the prior art, and this will not be repeated here.
The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all benefits
The equivalent structure made by the utility model specification and accompanying drawing content is directly or indirectly used in other relevant technology necks
Domain, similarly within the scope of patent protection of the utility model.
Claims (6)
1. a kind of reciprocal abrasive drilling of bias, it is characterised in that: including abrasive drilling device and reciprocating apparatus, the abrasive drilling device includes bistrique
(1) and support rod, the support rod include the first bending segment (21) and the second bending segment (22), are set between two bending segments
There are arc transition section (23), the first mill handle (11) is connected on the bistrique (1), is equipped in second bending segment (22)
Second mill handle (12), first mill handle (11) are worn into the first bending segment (21), and circle is corresponded between two mill handles
One section of elastic wire (13) is equipped at the position of arc changeover portion (23), handle is ground with first respectively in the both ends of the elastic wire (13)
(11) it is fixedly connected with the second mill handle (12)；Reciprocating apparatus, the reciprocating apparatus packet are connected on second mill handle (12)
Include connector sleeve (3), input eccentric shaft (31), output eccentric shaft (32), front casing (33) and rear casing (34), the connector sleeve
(3) the first strip-shaped hole (35) are equipped with, are equipped with the second strip-shaped hole (36) in one end of the strip-shaped hole (35), the input eccentric shaft
(31) it is arranged on first bearing (42), the output eccentric shaft (32) is equipped with a drive rod (43), the first bearing
(42) it is socketed in the first strip-shaped hole (35), the drive rod (43) is socketed in the second strip-shaped hole (36), and the output is eccentric
It is also set for the eccentric between axis (32) and input eccentric shaft (31), the eccentricity of the drive rod (43) in output eccentric shaft (32) is big
In the eccentricity of the first bearing (42) in input eccentric shaft (31)；
The input eccentric shaft (31) connect with driving device, and the output eccentric shaft (32) connect with the second mill handle (12), institute
It states front casing (33) to be socketed on the second bending segment (22), the rear casing (34) is socketed in input eccentric shaft (31), before this
Shell (33) and rear casing (34) connection form a cavity body, and the connector sleeve (3) is located in the cavity body, described preceding outer
The inside of shell (33) is equipped with the connecting rod (41) to extend back, and the elongated end of the connecting rod (41), which is worn, is connected to rear casing
(34) on corresponding position, the lateral wall of the rear casing (34) is equipped with non-slip groove (37), and one end of the connector sleeve (3) is worn
On connecting rod (41), under the drive of the drive, input eccentric shaft (31) band rotary bistrique (1) makees crankmotion.
2. a kind of reciprocal abrasive drilling of bias according to claim 1, it is characterised in that: input eccentric shaft (31) Dan Xuanzhuan
On the drive means, the first bearing (42) in input eccentric shaft (31) makees unidirectional rotary motion for connection, and connector sleeve (3) is driven to do
Crankmotion, and the drive rod (43) for being converted into output end makees crankmotion, thus through exporting eccentric shaft (32) band
Rotary bistrique (1) makees reciprocating rotary rotation.
3. a kind of reciprocal abrasive drilling of bias according to claim 1, it is characterised in that: on the output eccentric shaft (32)
Side on drive rod (43) is equipped with one section of flat mouth section (431).
4. a kind of reciprocal abrasive drilling of bias according to claim 1, it is characterised in that: be embedded in the rear casing (34)
Two second bearings (341), the input eccentric shaft (31) are fed through two second bearings (341), to reach and rear casing
(34) purpose being connected and fixed.
5. a kind of reciprocal abrasive drilling of bias according to claim 1, it is characterised in that: in the front end of first mill handle (11)
Restraining position ring block (14) are arranged, the rear end face of the stop collar (14) is abutted with the front end face of the first bending segment (21), to reach opposite grinding
The purpose of head (1) axially position.
6. a kind of reciprocal abrasive drilling of bias according to claim 1, it is characterised in that: the circular arc of the arc transition section (23)
Angle is 5~20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834119.2U CN208822881U (en) | 2018-05-31 | 2018-05-31 | A kind of reciprocal abrasive drilling of bias |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834119.2U CN208822881U (en) | 2018-05-31 | 2018-05-31 | A kind of reciprocal abrasive drilling of bias |
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| Publication Number | Publication Date |
|---|---|
| CN208822881U true CN208822881U (en) | 2019-05-07 |
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ID=66305052
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820834119.2U Active CN208822881U (en) | 2018-05-31 | 2018-05-31 | A kind of reciprocal abrasive drilling of bias |
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| Country | Link |
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| CN (1) | CN208822881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112890910A (en) * | 2021-01-28 | 2021-06-04 | 贵州梓锐科技有限公司 | Eccentric sheath grinding head |
-
2018
- 2018-05-31 CN CN201820834119.2U patent/CN208822881U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112890910A (en) * | 2021-01-28 | 2021-06-04 | 贵州梓锐科技有限公司 | Eccentric sheath grinding head |
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