CN206499502U - The sander of quick release head - Google Patents
The sander of quick release head Download PDFInfo
- Publication number
- CN206499502U CN206499502U CN201621075851.3U CN201621075851U CN206499502U CN 206499502 U CN206499502 U CN 206499502U CN 201621075851 U CN201621075851 U CN 201621075851U CN 206499502 U CN206499502 U CN 206499502U
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- CN
- China
- Prior art keywords
- mill bar
- sander
- motor
- mill
- quick release
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of sander of quick release head, it includes head and Handheld Division, and it is arranged on the motor between head and Handheld Division, one end of the relative Handheld Division of mill bar set extends radially outwardly out a ring ladder, and the diameter of ring ladder is more than mill bar and covers diameter；The mill bar in mill bar set is inside placed on, mill bar is installed on motor power axle by a cutting ferrule mechanism；The knob part for being coated in mill bar and being threadedly coupled with Handheld Division, the inwall of knob part is provided with an annular card division being equipped with ring ladder, and the internal diameter of annular card division is less than the external diameter of ring ladder.The sander is by setting knob part that mill bar is covered to the outer wall thread mating connection with motor, and mill bar is arranged on motor power axle by cutting ferrule mechanism, realize that the cutting ferrule locking to mill bar and power are transmitted, head is connected by way of cutting ferrule and screw thread coordinate with motor power, it is simple in construction, convenient disassembly, is easy to Post operation to clean its inside.
Description
Technical field
The utility model is related to a kind of neurosurgery encephalic operation apparatus, and in particular to a kind of quick release head is beaten
Grinding machine.
Background technology
Sander is a kind of common assistive device in surgical operation, and it is mainly made up of head, motor and Handheld Division.
Current existing sander is set using sealing locking, postoperative to carry out disassembly, cleaning, so that can not be in sander
Portion's structure is cleaned, and sander can not be sterilized sufficiently, and in existing sander, motor is by gear and bearing
Component imparts power to mill bar, accordingly, it would be desirable to carry out periodic maintenance to gear and bearing assembly, it is to avoid gear and bearing assembly
Consumption abrasion shorten sander service life.
Utility model content
For these reasons, it is necessary to which a kind of convenient disassembly is provided, be easy to Post operation to its inside thoroughly cleaning can be fast
The sander of quick-detach head.
The utility model provides a kind of sander of quick release head, the sander bag of the quick release head
Drill bit and Handheld Division, and the motor being arranged between the head and Handheld Division are included, the head includes
Mill bar set, one end of the relative Handheld Division of mill bar set extends radially outwardly out a ring ladder, the annular step
The diameter of ladder is more than mill bar and covers diameter；
The mill bar in the mill bar set is inside placed on, the mill bar is installed on motor power axle by a cutting ferrule mechanism；
The knob part for being coated in the mill bar and being threadedly coupled with Handheld Division, the inwall of the knob part provided with one with
The annular card division that the ring ladder is equipped with, the internal diameter of the annular card division is less than the external diameter of ring ladder.
It is preferred that, the knob part is provided with external screw thread with respect to the locking end of motor, and the outer wall of the motor is provided with interior spiral shell
Line, the knob part is connected with motor screw thread.
It is preferred that, the installation end of the mill bar is provided with a flat connecting rod, the motor power axle be provided with it is described flat
Connecting rod is engaged the flat interior caulking groove of setting.
It is preferred that, the end face of the free end of the flat connecting rod is arc convex, and the groove bottom of the flat interior caulking groove is also
The arc-shaped concave being equipped with for the arc convex with the flat connecting rod.
It is preferred that, the cutting ferrule mechanism includes
One is sleeved on and radially offers a diameter on the sleeve on the mill bar connection end, the barrel of the sleeve and gradually increase
Steel ball is provided with big accepting hole, the accepting hole, the diameter of the steel ball is more than the radial thickness and accepting hole of barrel most
Small-bore；And the outer wall of the sleeve extends radially outwardly out an abutting part；
One is sleeved on the annular tapered sleeve on the outside of the sleeve, and the abutment end of the annular tapered sleeve is abutted by an elastomeric element
On the abutting part；Another joint end is connected on the fastener being sheathed on sleeve, and is abutted on the inside of the tapered sleeve provided with one
In the inclined-plane of the steel ball, the direction of abutment end of the bevel angle along the annular tapered sleeve to joint end is expanded；
The mill bar is provided with an inner groovy being oppositely arranged with the steel ball.
It is preferred that, the elastomeric element is spring.
It is preferred that, one end port of the mill bar set mill bar drill bit relatively is provided with seal, the internal diameter of the seal
It is identical with the diameter of mill bar body.
The sander of quick release head described in the utility model, it is by setting knob part to cover the mill bar and horse
The outer wall thread reached is connected, and the mill bar is arranged on the motor power axle by cutting ferrule mechanism, realizes to mill
The cutting ferrule locking of bar, and realize that power is transmitted, the head is connected by way of cutting ferrule and screw thread coordinate with motor power, is tied
Structure is simple, and convenient disassembly is easy to Post operation to clean its inside, realizes the purpose of thorough disinfection.And the head and horse
The direct cutting ferrule connection of the line shaft that reaches, realizes the direct conduction of power, and then reduces the maintenance work of gear and bearing assembly,
Extend the service life of sander.
Brief description of the drawings
Fig. 1 is the straight mill structure assembling schematic diagram of the sander of quick release head described in the utility model；
Fig. 2 is the straight mill sectional view of the sander of quick release head described in the utility model；
Fig. 3 is Fig. 2 A portions enlarged diagram；
Fig. 4 is Fig. 2 B portions enlarged diagram；
Fig. 5 is the curved mill structure assembling schematic diagram of the sander of quick release head described in the utility model；
Fig. 6 is the curved mill sectional view of the sander of quick release head described in the utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated, it will be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
As shown in Figures 1 to 4, the utility model provides the straight mill apparatus that a kind of quick release changes head, it is described can
The straight mill apparatus of quick dismounting and change head includes head 10 and Handheld Division 20, and is arranged on the head 10 and Handheld Division 20
Between motor 21, the head 10 includes being placed on the mill in mill bar set 11, mill bar 12 and knob part 13, the mill bar 12
In rod set 11, and it is installed on by the clamp structure of a mill bar 12 on motor power axle 211, the knob part 13 is coated at the mill
On bar 12, and it is threadedly coupled with Handheld Division 20.
One end of the relative Handheld Divisions 20 of mill bar set 11 extends radially outwardly out a ring ladder 111, the annular step
The diameter of ladder 111 is more than mill bar and covers 11 diameters, and the inwall of the knob part 13 is equipped with provided with one with the ring ladder 111
Annular card division 131, the internal diameter of the annular card division 131 is less than the external diameter of ring ladder 111, and therefore, the mill bar set 11 leads to
Knob part 13 is crossed to be threadedly coupled with motor 21.Specifically, the knob part 13 is provided with external screw thread, institute with respect to the locking end of motor 21
The outer wall for stating motor 21 is provided with internal thread, and the knob part 13 is connected with the screw thread of motor 21.
The installation end of the mill bar 12 be provided with a flat connecting rod 121, the motor power axle 211 be provided with it is described flat
Connecting rod 121 is engaged the flat interior caulking groove 211a of setting, and flat connecting rod 121, which is embedded in flat interior caulking groove 211a, pacifies mill bar 12
On motor power axle 211.The cutting ferrule for passing through the flat connecting rod 121 and flat interior caulking groove 211a coordinates, it is to avoid existing
The phenomenon that mill bar 12 is fallen off under high-speed rotation in technology.It is preferred that, the end face of the free end of the flat connecting rod 121 is
Arc convex, the groove bottom of the flat interior caulking groove 211a is also to be equipped with the arc convex of the flat connecting rod 121
Arc-shaped concave, is coordinated by cambered surface, eliminates the problem of stress concentration is caused on summit, so as to extend the use longevity of apparatus
Life.
As shown in figure 3, the connection end of the mill bar 12 is installed on motor power axle 211 by a cutting ferrule mechanism 30, tool
Body, the cutting ferrule mechanism 30 is sleeved on the sleeve including a sleeve 31 and one being sleeved on the connection end of mill bar 12
The annular tapered sleeve 32 in 31 outsides.
Radially offered on the barrel of the sleeve 31 in the accepting hole 311 that a diameter gradually increases, the accepting hole 311
Provided with steel ball 301, the diameter of the steel ball 301 is more than the radial thickness of barrel and the minimum-value aperture of accepting hole 311, i.e., described steel
Pearl 301 can protrude from the minimum-value aperture of accepting hole 311, but will not be fallen down from accepting hole 311.
The outer wall of the sleeve 31 extends radially outwardly out an abutting part 312, and the abutment end of the annular tapered sleeve 32 passes through
One elastomeric element 321 is connected on the abutting part 312；Another joint end is abutted in the presence of the screen resilience of elastomeric element 321
On the fastener 313 being sheathed on sleeve 31, and the inner side of the annular tapered sleeve 32 is provided with an inclined-plane for being connected to the steel ball 301
322, the direction expansion of abutment end of the angle of inclined-plane 322 along the annular tapered sleeve 32 to joint end is set by inclined-plane 322
Put, the back stretch of elastomeric element 321 is changed into the axial compressive force to steel ball 301, the elastomeric element 321 is in treats all the time
The state of resilience, therefore, the steel ball 301 also have the trend moved downward all the time.
Meanwhile, the mill bar 12 is provided with an inner groovy 33 being oppositely arranged with the steel ball 301, when the mill bar 12 is inserted
Enter in sleeve 31, steel ball 301 is pushed card by the annular tapered sleeve 32 under the back stretch of elastomeric element 321 by inclined-plane 322
In the inner groovy 33 for entering mill bar 12, cutting ferrule is carried out to mill bar 12, it is preferred that 3 inner groovies 33 are surrounded with the mill bar,
Relative be provided with 3 accepting holes 311, each accepting hole is equipped with a steel ball 301 on the barrel of the sleeve 31, so that right
Mill bar carries out triangle polyester fibre cutting ferrule.
Further, as shown in figure 4, one end port of the relative drill bit of mill bar 12 of mill bar set 11 is provided with seal
122, the internal diameter of the seal 122 is identical with the diameter of the body of mill bar 12, by setting the seal 122, so as to mill
The port of rod set 11 is sealed, it is to avoid blood enters inside mill bar 12, increase cleaning difficulty.Due to blood viscosity compared with
Height, therefore, need not be interference fitted between seal 122 and the body of mill bar 12, and interference fit can hinder mill bar 12 on the contrary
Rotate.
The sander of the quick release head can also be applied to Handheld Division 20 of different shapes, such as Fig. 5 and Fig. 6 institutes
Show, when being arranged on head 10 on straight mill Handheld Division, then constitute straight grinder；It is arranged on when by head 10 on curved mill Handheld Division, then
Constitute curved grinding machine；And in the curved grinding machine, the motor 21 can be set directly on the horizontal part of Handheld Division 20, cancel
The power transition component of angular wheel, makes the line shaft of motor 21 be directly connected with mill bar 12, realizes the direct conduction of power, enter
And the maintenance work of bevel gear is reduced, extend the service life of curved mill craniotomy drill mill apparatus.
The sander of quick release head described in the utility model, it is by setting knob part to cover the mill bar and horse
The outer wall thread reached is connected, and the mill bar is arranged on the motor power axle by cutting ferrule mechanism, realizes to mill
The cutting ferrule locking of bar, and realize that power is transmitted, the head is connected by way of cutting ferrule and screw thread coordinate with motor power, is tied
Structure is simple, and convenient disassembly is easy to Post operation to clean its inside, realizes the purpose of thorough disinfection.And the head and horse
The direct cutting ferrule connection of the line shaft that reaches, realizes the direct conduction of power, and then reduces the maintenance work of gear and bearing assembly,
Extend the service life of sander.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (7)
1. a kind of sander of quick release head, it is characterised in that including head (10) and Handheld Division (20), and set
Motor (21) between the head (10) and Handheld Division (20), the head (10) includes
Mill bar set (11), the mill bar set (11) extends radially outwardly out a ring ladder (111) with respect to one end of motor (21),
The diameter of the ring ladder (111) is more than mill bar set (11) diameter；
The mill bar (12) in the mill bar set (11) is inside placed on, the mill bar (12) is installed on motor by a cutting ferrule mechanism (30)
On line shaft (211)；
The knob part (13) for being coated in the mill bar (12) and being threadedly coupled with Handheld Division (20), the knob part (13)
Inwall is provided with an annular card division (131) being equipped with the ring ladder (111), the internal diameter of the annular card division (131)
Less than the external diameter of ring ladder (111).
2. the sander of quick release head according to claim 1, it is characterised in that the knob part (13) is with respect to horse
Locking end up to (21) is provided with external screw thread, and the outer wall of the motor (21) is provided with internal thread, the knob part (13) and motor
(21) screw thread is connected.
3. the sander of quick release head according to claim 1, it is characterised in that the installation end of the mill bar (12)
Provided with a flat connecting rod (121), the motor power axle (211) is provided with and is engaged setting with the flat connecting rod (121)
Flat interior caulking groove (211a).
4. the sander of quick release head according to claim 3, it is characterised in that the flat connecting rod (121)
The end face of free end is arc convex, and the groove bottom of the flat interior caulking groove (211a) is also and the flat connecting rod (121)
The arc-shaped concave that arc convex is equipped with.
5. the sander of quick release head according to claim 1, it is characterised in that the cutting ferrule mechanism (30) includes
One is sleeved on the sleeve (31) on the mill bar (12) connection end, the barrel of the sleeve (31) and radially offers always
Steel ball (301) is provided with the accepting hole (311) that footpath gradually increases, the accepting hole (311), the diameter of the steel ball (301) is big
In the minimum-value aperture of the radial thickness and accepting hole (311) of barrel；And the outer wall of the sleeve (31) extends radially outwardly out one
Abutting part (312)；
One is sleeved on the annular tapered sleeve (32) on the outside of the sleeve (31), and the abutment end of the annular tapered sleeve (32) passes through an elasticity
Part (321) is connected on the abutting part (312)；Another joint end is connected to the fastener (313) being sheathed on sleeve (31)
On, and provided with an inclined-plane (322) for being connected to the steel ball (301) on the inside of the tapered sleeve, inclined-plane (322) angle is described in
Expand in the abutment end of annular tapered sleeve (32) to the direction of joint end；
The mill bar (12) is provided with an inner groovy (33) being oppositely arranged with the steel ball (301).
6. the sander of quick release head according to claim 5, it is characterised in that the elastomeric element (321) is
Spring.
7. the sander of quick release head according to claim 1, it is characterised in that the mill bar set (11) is relative to grind
One end port of bar (12) bistrique is provided with seal (122), and the internal diameter of the seal (122) is straight with mill bar (12) body
Footpath is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621075851.3U CN206499502U (en) | 2016-09-23 | 2016-09-23 | The sander of quick release head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621075851.3U CN206499502U (en) | 2016-09-23 | 2016-09-23 | The sander of quick release head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206499502U true CN206499502U (en) | 2017-09-19 |
Family
ID=59844029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621075851.3U Expired - Fee Related CN206499502U (en) | 2016-09-23 | 2016-09-23 | The sander of quick release head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206499502U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308878A (en) * | 2016-09-23 | 2017-01-11 | 武汉多可特医疗器械有限公司 | Polisher with polisher head capable of being quickly demounted |
| CN109771036A (en) * | 2019-03-15 | 2019-05-21 | 上海电气集团股份有限公司 | End effector device |
-
2016
- 2016-09-23 CN CN201621075851.3U patent/CN206499502U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308878A (en) * | 2016-09-23 | 2017-01-11 | 武汉多可特医疗器械有限公司 | Polisher with polisher head capable of being quickly demounted |
| CN109771036A (en) * | 2019-03-15 | 2019-05-21 | 上海电气集团股份有限公司 | End effector device |
| CN109771036B (en) * | 2019-03-15 | 2021-10-29 | 上海电气集团股份有限公司 | End effector device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20200923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |