CN209253030U - Orthopaedic drill - Google Patents
Orthopaedic drill Download PDFInfo
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- CN209253030U CN209253030U CN201821826751.9U CN201821826751U CN209253030U CN 209253030 U CN209253030 U CN 209253030U CN 201821826751 U CN201821826751 U CN 201821826751U CN 209253030 U CN209253030 U CN 209253030U
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- orthopaedic
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Abstract
Orthopaedic drill, including electric drill ontology, drilling attachment and unit-type drill head, the output axis connection drilling attachment of electric drill ontology, drilling attachment is detachably connected unit-type drill head, and locking device is equipped between drilling attachment and unit-type drill head, and locking device includes the first positioning region, the second positioning region and tight lock part, first positioning region is arranged on output shaft, tight lock part is arranged on the first positioning region, and the second positioning region is fixed at the top of unit-type drill head, and the second positioning region is removably mounted in the first positioning region.The utility model provide a kind of structure is simple, handling are convenient, centralized positioning precisely, convenient for the orthopaedic drill of cleaning-sterilizing.
Description
Technical field
The utility model relates to medical instruments fields, are more particularly to orthopaedic drill.
Background technique
The structure of the electric drill of orthopaedics is identical as the structure of common electric drill in the prior art, but in use
The electric drill collet that normal drill bit uses is typically due to clamp using external screw thread, it is such to will cause dress since the hole of unscrewing is bigger
Stick of tool head is more troublesome to be needed to screw using handle, and during screwing there is also due to drill bit it is longer in installation process
In can tilt, but handle will cause after screwing and cause two kinds of defects: 1, drill bit tip and tail portion are not arranged on the same straight line,
Make drill bit tip with circular rotatable with some rotation, biggish injury can be caused to patient；2, clamping at a slant can be with
After the rotation and stress of drill bit or cause falling off for drill bit.Electric drill collet traditional simultaneously is since there are more external tooths
Wheel, also with the defect of cleaning-sterilizing inconvenience.
Utility model content
To solve the above-mentioned problems, the utility model provide a kind of structure is simple, handling are convenient, centralized positioning precisely,
Convenient for the orthopaedic drill of cleaning-sterilizing.
One aspect according to the present utility model, orthopaedic drill are provided including electric drill ontology, drilling attachment and unit-type drill head,
The output axis connection drilling attachment of electric drill ontology, drilling attachment are detachably connected unit-type drill head, drilling attachment and unit-type drill head it
Between be equipped with locking device, locking device include the first positioning region, the second positioning region and tight lock part, the first positioning region setting is exporting
On axis, tight lock part is arranged on the first positioning region, and the second positioning region is fixed at the top of unit-type drill head, and the second positioning region is removable
It unloads and is mounted in the first positioning region.
In some embodiments, the first positioning region is round tapered sleeve, and the second positioning region is the circle cooperated with round tapered sleeve
Cone.
In some embodiments, the first positioning region is triangle tapered sleeve, and the second positioning region is three cooperated with triangle tapered sleeve
Pyramid.
In some embodiments, the first positioning region is polygon tapered sleeve, and the second positioning region is and polygon set cooperation
Polygonal pyramid.
In some embodiments, tight lock part includes adsorption section, protrusion and groove, and the first positioning region is arranged in adsorption section
Inner wall and inner wall bottom, protrusion are located at the first positioning region inner wall bottom, and the second positioning region is equipped with the groove with male cooperation.
In some embodiments, tight lock part includes adsorption section, protrusion and groove, and the first positioning region is arranged in adsorption section
Inner wall and inner wall bottom, groove are located at the first positioning region inner wall bottom, and the second positioning region is equipped with the protrusion cooperated with groove.
In some embodiments, protrusion and groove are transition fit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model orthopaedic drill；
Fig. 2 is the decomposition diagram of the utility model orthopaedic drill；
Fig. 3 is the structure chart of the locking device of the utility model orthopaedic drill；
Fig. 4 is the structural schematic diagram of the tight lock part of the utility model orthopaedic drill.
Specific embodiment
The utility model is further described With reference to embodiment.
As depicted in figs. 1 and 2, orthopaedic drill described in the utility model comprising electric drill ontology 1, drilling attachment 2 and standard
The output shaft 5 of drill bit 3, electric drill ontology 1 connects drilling attachment 2, and drilling attachment 2 is detachably connected unit-type drill head 3, drilling attachment 2
Locking device 4 is equipped between unit-type drill head 3, locking device 4 includes the first positioning region 6, the second positioning region 7 and tight lock part 8, the
One positioning region 6 is arranged on output shaft 5, and tight lock part 8 is arranged on the first positioning region 6, and the second positioning region 7 is fixed at standard
3 top of drill bit, the second positioning region 7 is removably mounted in the first positioning region 6.It is convenient for mark by 4 locking device 4 of locking device
On the drilling attachment 2 that quasi- drill bit 3 is quick, centralized positioning is accurately installed, it is convenient for by the first positioning region 6 and the second positioning region 7
Guarantee that 3 center of unit-type drill head is determining to be installed on drilling attachment 2.
As shown in figure 3, a kind of embodiment of 7 cooperations in the first positioning region 6 and the second positioning region are as follows: the first positioning region 6
For round tapered sleeve, the second positioning region 7 is the cone cooperated with round tapered sleeve.
A kind of embodiment of 7 cooperations in first positioning region 6 and the second positioning region are as follows: the first positioning region 6 is triangle tapered sleeve,
Second positioning region 7 is the triangular pyramids cooperated with triangle tapered sleeve.
A kind of embodiment of 7 cooperations in first positioning region 6 and the second positioning region are as follows: the first positioning region 6 is polygon cone
Set, the second positioning region 7 are the polygonal pyramid with polygon set cooperation.
A kind of embodiment of 7 cooperations in first positioning region 6 and the second positioning region are as follows: the first positioning region 6 is irregular cone
Set, the second positioning region 7 is the irregular cone cooperated with irregular tapered sleeve.
By the cooperation of the first positioning region 6 and the second positioning region 7,3 center of unit-type drill head can be made accurately to install
Onto drilling attachment 2, and installation is quicker, and especially during surgery, each second time is all particularly important.While in order to add
The optimal security performance of convenience and revolution body component that work produces is to be positioned using the first positioning region 6 for round tapered sleeve, second
Portion 7 is the cone cooperated with round tapered sleeve.
For further, locking device 4 is more favorable for while being split into the global facility replacement convenience of surfacing
Cleaning and the disinfection to locking device 4.
As shown in figure 4, tight lock part 8 includes adsorption section 81, protrusion 82 and groove 83, adsorption section 81 is arranged in the first positioning region
6 inner wall and inner wall bottom, protrusion 82 are located at 6 inner wall bottom of the first positioning region, and the second positioning region 7 is equipped with to be cooperated with protrusion 82
Groove 83.By the second positioning region 7 being pull-in in the first positioning region 6 only of adsorption section 81, at the same using protrusion 82 with
The cooperation of groove 83 drives the second positioning region 7 to rotate and then unit-type drill head 3 is driven to rotate.Adsorption section 81 is setting in the first positioning
The inner wall and inner wall bottom magnetic layer in portion 6 make the second positioning region 7 using steel in this way, guarantee to go back while the characteristic of structural metal
With magnetic conductivity, it is easy the absorption of adsorbed portion 81 and stablizes.
Tight lock part 8 includes adsorption section 81, protrusion 82 and groove 83, adsorption section 81 be arranged in the first positioning region 6 inner wall and
Inner wall bottom, groove 83 are located at 6 inner wall bottom of the first positioning region, and the second positioning region 7 is equipped with the protrusion 82 cooperated with groove 83.
Adsorption section 81 is the inner wall and inner wall bottom magnetic layer that the first positioning region 6 is arranged in, and the second positioning region 7 is made to use steel in this way,
Guarantee that also there is magnetic conductivity while the characteristic of structural metal, is easy the absorption of adsorbed portion 81 and stablizes.
Protrusion 82 is transition fit with groove 83.By very close to each other between transition fit guarantee protrusion 82 and groove 83,
And installation also facilitates.
Tight lock part 8 can also be using the structure of mounting groove, spring, latch segment, hinge, tripper and locking slot, installation
Slot is provided on the first positioning region 6, and latch segment is hinged in mounting groove by hinge, is set between one end and mounting groove of latch segment
There is spring, the other end of latch segment is equipped with tripper, tripper connecting spring, and the second positioning region 7 is equipped with locking slot, lock
Tight slot and locking are block-shaped identical, and latch segment is pressed into locking slot using spring when in use, drive the rotation of the first positioning region 6,
When needing to dismantle, the first positioning region 6 is taken out using tripper trip spring.
Above-described is only some embodiments of the utility model, it is noted that for the ordinary skill of this field
For personnel, under the premise of not departing from the concept of the utility model, other modification and improvement can also be made, these are all
Belong to the protection scope of the utility model.
Claims (7)
1. orthopaedic drill, which is characterized in that including electric drill ontology, drilling attachment and unit-type drill head, the output of the electric drill ontology
Axis connection drilling attachment, the drilling attachment are detachably connected unit-type drill head, are equipped between the drilling attachment and unit-type drill head
Locking device, the locking device include the first positioning region, the second positioning region and tight lock part, and first positioning region is arranged defeated
On shaft, the tight lock part is arranged on the first positioning region, and second positioning region is fixed at the top of unit-type drill head, described
Second positioning region is removably mounted in the first positioning region.
2. orthopaedic drill according to claim 1, which is characterized in that first positioning region is round tapered sleeve, described the
Two positioning regions are the cone cooperated with round tapered sleeve.
3. orthopaedic drill according to claim 1, which is characterized in that first positioning region is triangle tapered sleeve, described the
Two positioning regions are the triangular pyramids cooperated with triangle tapered sleeve.
4. orthopaedic drill according to claim 1, which is characterized in that first positioning region is polygon tapered sleeve, described
Second positioning region is the polygonal pyramid with polygon set cooperation.
5. orthopaedic drill described in any one of -4 claims according to claim 1, which is characterized in that the tight lock part includes inhaling
Inner wall and the inner wall bottom of the first positioning region is arranged in attached portion, protrusion and groove, the adsorption section, and it is fixed that the protrusion is located at first
Position portion inner wall bottom, second positioning region are equipped with the groove with male cooperation.
6. orthopaedic drill described in any one of -4 claims according to claim 1, which is characterized in that the tight lock part includes inhaling
Inner wall and the inner wall bottom of the first positioning region is arranged in attached portion, protrusion and groove, the adsorption section, and it is fixed that the groove is located at first
Position portion inner wall bottom, second positioning region are equipped with the protrusion cooperated with groove.
7. orthopaedic drill according to claim 5, which is characterized in that the protrusion is transition fit with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821826751.9U CN209253030U (en) | 2018-11-06 | 2018-11-06 | Orthopaedic drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821826751.9U CN209253030U (en) | 2018-11-06 | 2018-11-06 | Orthopaedic drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209253030U true CN209253030U (en) | 2019-08-16 |
Family
ID=67554023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821826751.9U Active CN209253030U (en) | 2018-11-06 | 2018-11-06 | Orthopaedic drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209253030U (en) |
-
2018
- 2018-11-06 CN CN201821826751.9U patent/CN209253030U/en active Active
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