CN209203419U - The controllable drilling equipment of depth and its drill bit assembly - Google Patents
The controllable drilling equipment of depth and its drill bit assembly Download PDFInfo
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- CN209203419U CN209203419U CN201821704848.2U CN201821704848U CN209203419U CN 209203419 U CN209203419 U CN 209203419U CN 201821704848 U CN201821704848 U CN 201821704848U CN 209203419 U CN209203419 U CN 209203419U
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Abstract
The utility model provides a kind of controllable drilling equipment of depth and its drill bit assembly, is related to the field of medical instrument technology, to solve the problems, such as that the process for replacing different length drill bit assembly in the course of surgery is complicated, low efficiency.The controllable drilling equipment of depth includes: shell, drill bit assembly, driving mechanism, transmission mechanism and regulating part, and drill bit assembly includes drill bit and adjusting rod, and drill bit is connect with adjusting rod by bearing；Driving mechanism, transmission mechanism, adjusting rod and regulating part are respectively positioned in shell, and shell is protruded into one end of drill bit, and regulating part and housing into rotation cooperate, and adjusting rod is slidably matched with shell, and adjustment hole is provided on shell, and adjustment hole is stretched out in the partial region of regulating part；Driving mechanism is connect with drill bit by transmission mechanism.The controllable drilling equipment of depth can adjust the length that drill bit stretches out shell by regulating part, easy to adjust without more bit change in the course of surgery, high-efficient.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly, to a kind of controllable drilling equipment of depth and its drill bit
Component.
Background technique
In partial clinical surgical procedure, doctor needs on the sclerotin of patient using drilling row punch operation.
Currently, during use, doctor holds hand-held electricity in the course of surgery usually using Handheld electric drill
It is dynamic to bore, drilling operation is carried out using the drill bit assembly of Handheld electric drill, boring direction and the amount of feeding are manually controlled by doctor.
The different affected parts of requirement due to to(for) the depth of drilling is different, but the drill bit assembly length of Handheld electric drill is fixed, therefore
When drilling to different location, the drill bit assembly of different length is needed replacing, replacement process is many and diverse, so that when operation
Between it is longer, efficiency is lower.
To sum up, there is process complexity, the efficiency of replacement different length drill bit assembly in Handheld electric drill in the prior art
The technical issues of low.
Utility model content
The purpose of this utility model is to provide a kind of controllable drilling equipment of depth, with solve it is existing in the prior art
The technical issues of process of replacement different length drill bit assembly is complicated, low efficiency in surgical procedure.
The controllable drilling equipment of depth provided by the utility model, comprising: drill bit assembly, driving mechanism, transmission mechanism and tune
Part is saved, the drill bit assembly includes drill bit and adjusting rod, and the drill bit is connect with the adjusting rod by bearing；
The driving mechanism, the transmission mechanism, the adjusting rod and the regulating part are respectively positioned in the shell, described
The shell is protruded into one end of drill bit, and the regulating part and the housing into rotation cooperate, and the adjusting rod and the shell slide
Cooperate, adjustment hole is provided on the shell, the adjustment hole is stretched out in the partial region of the regulating part；
The driving mechanism is connect with the drill bit by the transmission mechanism, described for driving the drill bit to rotate
Regulating part is set on the outside of the adjusting rod, and the adjusting rod is threadedly engaged with the regulating part, rotate the regulating part so that
The adjusting rod that must perform the operation is axially moveable.
In any of the above-described technical solution, further, the transmission mechanism includes intermeshing first transmission gear
With the second transmission gear, first transmission gear is set in the drill bit, and second transmission gear is set in the driving
The output shaft of mechanism.
In any of the above-described technical solution, further, the inner hole of first transmission gear is rectangle, the drill bit
The radial section of bar portion at least partial region is rectangle.
In any of the above-described technical solution, further, the drill bit is connect with the inner ring of the bearing, the adjusting rod
It is connect with the outer ring of the bearing.
In any of the above-described technical solution, further, finite place piece is connected in the shell, the locating part is provided with
Via hole, the adjusting rod pass through the via hole.
In any of the above-described technical solution, further, the quantity of the locating part is two, two locating parts point
Not Wei Yu the regulating part two sides.
In any of the above-described technical solution, further, the axial direction on the shell along the adjusting rod is provided with long hole,
It is provided with indicating arm on the adjusting rod, the long hole is stretched out in one end of the indicating arm, along the long hole on the shell
Extending direction is provided with graduation mark.
In any of the above-described technical solution, further, the regulating part is turntable, and the turntable is axially disposed to be passed through
The threaded hole of the turntable is worn, the lateral wall of the turntable is provided with anti-skid chequer.
In any of the above-described technical solution, further, the both sides of the face of the turntable are respectively arranged with annular groove, described
Annular groove is located at the threaded hole peripheral region, and is coaxially disposed with the threaded hole；The two sides of the turntable are respectively arranged with
Locating rack, the positioning end of the locating rack protrude into the annular groove.
Compared with the existing technology, the controllable drilling equipment of depth described in the utility model has the advantage that
The controllable drilling equipment of depth provided by the utility model is applied in medical procedure, for boring on bone
Hole.During use, driving mechanism drives transmission mechanism, and transmission mechanism drives drill bit rotation, to carry out drilling operation.
In the maximum amount of feeding of adjusting drill bit, regulating part is rotated, so that adjusting rod relative adjustment part is axially moveable, thus band
Dynamic drill bit is axially moveable, to change the length that drill bit stretches out shell.
Therefore, using the controllable drilling equipment of depth provided by the utility model, in the course of surgery, no replacement is required drill bit,
It is the length that changeable drill bit stretches out shell by rotation regulating part, to adjust the maximum amount of feeding of drill bit, adjustment process side
Just quick, it is high-efficient.
The another object of the utility model is to propose a kind of drill bit assembly, to solve existing in the prior art performing the operation
The technical issues of process of replacement different length drill bit assembly is complicated, low efficiency in the process.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of drill bit assembly, applied to the controllable drilling equipment of depth described in above-mentioned technical proposal, including drill bit and adjusting
Bar, the drill bit include head and bar portion, and the head is connected to one end of the bar portion, and the other end of the bar portion passes through axis
It holds and is connect with the adjusting rod, the outer wall of the adjusting rod is provided with screw thread, and the bar portion includes for connecting with transmission mechanism
Inserting section.
The drill bit assembly is applied to the controllable drilling equipment of above-mentioned depth, with the controllable drilling equipment of above-mentioned depth relative to existing
There is advantage possessed by technology identical, details are not described herein.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is structural representation when the controllable drilling equipment of depth provided by the embodiment of the utility model is in the first state
Figure；
Fig. 2 is the top view of the controllable drilling equipment of depth in Fig. 1；
Fig. 3 is structural representation when the controllable drilling equipment of depth provided by the embodiment of the utility model is in second of state
Figure；
Fig. 4 is the top view of the controllable drilling equipment of depth in Fig. 2；
Fig. 5 is the structural schematic diagram of the drill bit assembly in the controllable drilling equipment of depth provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of the controllable drilling equipment of another depth provided by the embodiment of the utility model.
In figure: 10- drill bit assembly；The head 11-；12- bar portion；121- light bar segment；122- inserting section；13- bearing；14- tune
Pole；15- indicating arm；The first transmission gear of 21-；The second transmission gear of 22-；30- driving mechanism；40- shell；41- long hole；
42- graduation mark；43- adjustment hole；50- locating part；60- regulating part.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment one
As shown in Figs. 1-5, the controllable drilling equipment of depth provided by the embodiment of the utility model, comprising: drill bit assembly, driving
Mechanism 30, transmission mechanism and regulating part 60, in which: drill bit assembly includes drill bit 10 and adjusting rod 14, drill bit 10 and adjusting rod 14
It is connected by bearing 13.
Specifically, driving mechanism 30, transmission mechanism, adjusting rod 14 and regulating part 60 are respectively positioned in shell 40, drill bit 10
Shell 40 is protruded into one end, and regulating part 60 is rotatably assorted with shell 40, and adjusting rod 14 is slidably matched with shell 40, is arranged on shell 40
There is adjustment hole 43, adjustment hole 43 is stretched out in the partial region of regulating part 60.
Driving mechanism 30 is connect with drill bit 10 by transmission mechanism, and for driving drill bit 10 to rotate, regulating part 60 is set in
14 outside of adjusting rod, adjusting rod 14 are threadedly engaged with regulating part 60, rotate regulating part 60 so that operative adjustment bar 14 is along axial direction
It is mobile.
The controllable drilling equipment of depth provided by the embodiment of the utility model is applied in medical procedure, in bone
Upper drilling.During use, driving mechanism 30 drives transmission mechanism, and transmission mechanism drives drill bit 10 to rotate, to carry out
Drilling operation.Since drill bit 10 is connect with adjusting rod 14 by bearing 13, in 10 rotation process of drill bit, adjusting rod 14 does not turn
Dynamic, adjusting rod 14 can only move axially.When adjusting the 10 maximum amount of feeding of drill bit, regulating part 60 is rotated, so that adjusting
14 relative adjustment part 60 of pole is axially moveable, so that drill bit 10 be driven to be axially moveable, stretches out shell 40 to change drill bit 10
Length.
Therefore, using the controllable drilling equipment of depth provided by the embodiment of the utility model, in the course of surgery, no replacement is required
Drill bit 10 is the length that changeable drill bit 10 stretches out shell 40 by rotation regulating part 60, thus adjust drill bit 10 it is maximum into
To amount, adjustment process is convenient and efficient, high-efficient.
For example, as shown in Figure 1, the length of the stretching of drill bit 10 shell 40 is relatively long in Fig. 1, in the course of surgery,
The maximum amount of feeding of drill bit 10 is also relatively large.Since regulating part 60 is relative to shell 40, fixed in axial position, therefore
After rotating regulating part 60, adjusting rod 14 is along axially to the right, to drive drill bit 10 along axially to the right, so that boring
First 10 length for stretching out shell 40 reduce；If rotating backward regulating part 60, make adjusting rod 14 and drill bit 10 along axial direction to the left
It is mobile, so that drill bit 10 stretches out the length elongation of shell 40.
As shown in Fig. 2, moving right if being adjusted on the basis of the controllable drilling equipment of the depth in Fig. 1 by drill bit 10
Can be presented state in Fig. 2 after dynamic certain distance, in this kind of state, the length that drill bit 10 stretches out shell 40 is relatively small, it is maximum into
It is also relatively small to measuring.
As shown in figures 1 and 3, in a kind of specific embodiment of the present embodiment, transmission mechanism includes intermeshing
First transmission gear 21 and the second transmission gear 22, the first transmission gear 21 are set in drill bit 10, the second transmission gear 22 suit
In the output shaft of driving mechanism 30.So set, the output shaft of driving mechanism 30 drives the rotation of the second transmission gear 22, second is passed
Moving gear 22 drives the rotation of the first transmission gear 21, and the first transmission gear 21 drives drill bit 10 to rotate.In such set-up mode,
The output shaft of driving mechanism 30 is parallel with drill bit 10.
It specifically, can be to be fixedly connected between the first transmission gear 21 and drill bit 10, in a specific embodiment, the
The thickness of one transmission gear 21 is greater than the second transmission gear 22 (as shown in Figure 6), to ensure in the first transmission gear 21 with drill bit
During 10 are axially moveable, the first transmission gear 21 has partial region to engage with the second transmission gear 22 always,
It is rotated under the drive of two transmission gears 22；Alternatively, the thickness of the second transmission gear 22 is greater than the thickness of the first transmission gear 21, with
Ensure during the first transmission gear 21 is axially moveable with drill bit 10, the first transmission gear 21 always with the second driving cog
The partial region engagement of wheel 22, to be rotated under the drive of the second transmission gear 22.
In another embodiment specific implementation mode, axially disposed on the first transmission gear 21 to have an inner hole, the axle center of inner hole with
The axle center of drill bit 10 is overlapped, and inner hole is non-circular, the radial section and inner hole of at least partial region of bar portion 12 of drill bit 10
Shape it is identical, therefore, in the rotation of the first transmission gear 21, drill bit 10 can be driven to rotate by inner hole, and on 10 edge of drill bit
During axial movement, the position of the first transmission gear 21 is constant, to be in meshing state with the second transmission gear 22 always.
For example, the inner hole of the first transmission gear 21 is rectangle, the diameter of at least partial region of bar portion 12 of drill bit 10
It is rectangle to section.
Alternatively, inner hole can be ellipse, diamond shape, polygon or other abnormity.
Further, for the ease of being limited to the first transmission gear 21 axially, the two of the first transmission gear 21
Baffle is set by side end face, alternatively, location structure, the two sides of the first transmission gear 21 are arranged in the two sides of the first transmission gear 21
Annular recess is arranged in end face, and the partial region of location structure is protruded into annular recess, thus in the axial direction of the first transmission gear 21
Two sides limit the first transmission gear 21, so that the first transmission gear 21 can axially rotate but not can be carried out axial shifting
It is dynamic.
Further, flexible dottle pin layer is installed in inner hole, is arranged such, on the one hand, flexible dottle pin layer can be in drill bit
10 and first play shock absorbing effect between transmission gear 21；On the other hand, flexible dottle pin layer can increase the first transmission gear
Frictional force between 21 and drill bit 10, consequently facilitating the first transmission gear 21 drives drill bit 10 to rotate.
Transmission mechanism can also be other set-up modes.For example, in a specific embodiment, transmission mechanism includes
Intermeshing first bevel gear and second bevel gear, first bevel gear are set on drill bit 10 and connect with drill bit 10, second
Bevel gear is set on the output shaft of driving mechanism 30 and is connected with exporting axis.Be designed in this way, the output shaft of driving mechanism 30 with
Drill bit 10 can be vertically arranged or relative tilt setting.
Alternatively, transmission mechanism includes two drive pulleys by being driven band connection in another in specific set-up mode,
Two drive pulleys, which respectively correspond, to be set on drill bit 10 and the output shaft of driving mechanism 30.After driving device starting, driving
The output shaft of device drives one of drive pulley rotation, which is passed power transmission to another by transmission belt
On movable belt pulley, another drive pulley drives drill bit 10 to rotate.So set, may make between driving mechanism 30 and drill bit 10
Distance is relatively farther.
That transmission mechanism is specifically selected, it can be according to 40 inner space size of shell, the position of driving mechanism 30, drive
It is selected after the judgement of the combined factors such as the arranged direction of motivation structure 30.
In the controllable drilling equipment of depth provided in this embodiment, drill bit 10 is connect with adjusting rod 14 by bearing 13, is had
Body, drill bit 10 is connect with the inner ring of bearing 13, and adjusting rod 14 is connect with the outer ring of bearing 13；Alternatively, drill bit 10 and bearing 13
Outer ring connection, adjusting rod 14 connect with the inner ring of bearing 13.
In the controllable drilling equipment of depth shown in Fig. 1, drill bit 10 is connect with the inner ring of bearing 13, adjusting rod 14 and bearing
13 outer ring connection, so set, the diameter of drill bit 10 is less than the outer diameter of adjusting rod 14, so that the weight of drill bit 10 is relatively
Gently, on the other hand drive drill bit 10 mobile convenient for adjusting rod 14.
In the present embodiment, adjusting rod 14 is to be slidably matched with shell 40, so that adjusting rod 14 can be with respect to 40 edge of shell
Axial movement, and cannot be rotated relative to shell 40.
In a kind of specific embodiment of the present embodiment, finite place piece 50 is connected in shell 40, locating part 50 is provided with
Via hole, adjusting rod 14 pass through via hole.Via hole is circular hole, and the diameter of via hole is equal or slightly larger than the outer diameter of adjusting rod 14, therefore,
Via hole can limit the position in the radial direction of adjusting rod 14, occur shaking or deviating radially to avoid adjusting rod 14, therefore,
Locating part 50 plays limit and guiding role simultaneously.
Preferably, the quantity of locating part 50 is two, and two locating parts 50 are located at the two sides of regulating part 60.So set
It sets, locating part 50 makes regulating part 60 more stable in moving process.
Certainly, adjusting rod 14 can also be slidably matched with shell 40 by other means.For example, in the another of the present embodiment
In a kind of specific embodiment, the side of adjusting rod 14 is provided with protrusion, sets in the inner wall of shell 40 along the axial direction of adjusting rod 14
It is equipped with sliding slot, protrusion protrudes into sliding slot, and during adjusting rod 14 is mobile relative to shell 40, protrusion moves along the chute.Specifically
Ground, protrusion may be disposed at the side of 14 liang of end regions of adjusting rod.
Know that drill bit 10 stretches out the length of shell 40 for the ease of medical staff, as shown in Figure 2 and Figure 4, in the present embodiment
A kind of preferred embodiment in, the axial direction on shell 40 along adjusting rod 14 is provided with long hole 41, and finger is provided on adjusting rod 14
Show bar 15, long hole 41 is stretched out in one end of indicating arm 15, and the extending direction on shell 40 along long hole 41 is provided with graduation mark 42.It is adjusting
During pole 14 is mobile, indicating arm 15 is mobile with adjusting rod 14, to change the scale of direction.Therefore, pass through indicating arm
15 and graduation mark 42 relatively sharp can clearly know that drill bit 10 stretches out the length of shell 40, to judge to adjust direction and adjusting
Amount adjusts efficiency and degree of regulation to improve.
In a kind of specific embodiment of the present embodiment, regulating part 60 is turntable, and turntable is axially disposed to be had through turning
The threaded hole of disk, the external screw thread of adjusting rod 14 are matched with the threaded hole of turntable, and the lateral wall of turntable is provided with anti-skid chequer.
In a kind of specific embodiment of the present embodiment, turntable is rotatablely connected by locating rack and shell 40, so that
Turntable only can be carried out rotation relative to shell 40, radially or axially move without can be carried out.
Specifically, the both sides of the face of turntable are respectively arranged with annular groove, and annular groove is located at threaded hole peripheral region, and and spiral shell
Pit coaxial arrangement；The two sides of turntable are respectively arranged with locating rack, and the positioning end of locating rack protrudes into annular groove.The positioning of locating rack
End can be column, or cyclic annular.Since the positioning end of locating rack protrudes into annular groove, locating rack defines that turntable exists
Position on axially and radially, in the rotation process of turntable, positioning end is always positioned in annular groove.
Embodiment two
As shown in Figs. 1-5, the present embodiment two provides a kind of drill bit assembly, the depth provided applied to above-described embodiment one
In controllable drilling equipment.Drill bit assembly includes drill bit 10 and adjusting rod 14, and drill bit 10 includes head 11 and bar portion 12, and head 11 connects
It is connected to one end of bar portion 12, the other end of bar portion 12 is connect by bearing 13 with adjusting rod 14, and the outer wall of adjusting rod 14 is provided with
Screw thread, bar portion 12 include the inserting section 122 for connecting with transmission mechanism.The screw thread of 14 outer wall of adjusting rod is interior with regulating part 60
Screw thread matches.
Further, bar portion 12 includes light bar segment 121 and inserting section 122, and light bar segment 121, inserting section 122 and drill bit 10 are
Integral structure, light bar segment 121 is between drill bit 10 and inserting section 122.
When transmission mechanism includes the first transmission gear 21 and the second transmission gear 22, the radial section shape of inserting section 122
Shape is identical as the shape of inner hole of the first transmission gear 21, and is non-circular.
It is detachably to connect between other mechanisms in drill bit assembly and the controllable drilling equipment of depth that the present embodiment two provides
It connects, after the abrasion of drill bit 10, drill bit assembly can be replaced.
Preferably, to be detachably connected between drill bit 10 and bearing 13, so set, only being replaced after the abrasion of drill bit 10
Drill bit 10.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of controllable drilling equipment of depth characterized by comprising shell, drill bit assembly, driving mechanism, transmission mechanism and
Regulating part, the drill bit assembly include drill bit and adjusting rod, and the drill bit is connect with the adjusting rod by bearing；
The driving mechanism, the transmission mechanism, the adjusting rod and the regulating part are respectively positioned in the shell, the drill bit
One end protrude into the shell, the regulating part and the housing into rotation cooperate, and the adjusting rod is slidably matched with the shell,
Adjustment hole is provided on the shell, the adjustment hole is stretched out in the partial region of the regulating part；
The driving mechanism is connect with the drill bit by the transmission mechanism, for driving the drill bit to rotate, the adjusting
Part is set on the outside of the adjusting rod, and the adjusting rod is threadedly engaged with the regulating part, rotates the regulating part so as to go smoothly
Art adjusting rod is axially moveable.
2. the controllable drilling equipment of depth according to claim 1, which is characterized in that the transmission mechanism includes intermeshing
The first transmission gear and the second transmission gear, first transmission gear is set in the drill bit, second transmission gear
It is set in the output shaft of the driving mechanism.
3. the controllable drilling equipment of depth according to claim 2, which is characterized in that the inner hole of first transmission gear is
Rectangle, the radial section of the bar portion of the drill bit at least partial region are rectangle.
4. the controllable drilling equipment of depth according to claim 1-3, which is characterized in that the drill bit and the axis
The inner ring connection held, the adjusting rod are connect with the outer ring of the bearing.
5. the controllable drilling equipment of depth according to claim 1, which is characterized in that finite place piece is connected in the shell,
The locating part is provided with via hole, and the adjusting rod passes through the via hole.
6. the controllable drilling equipment of depth according to claim 5, which is characterized in that the quantity of the locating part is two,
Two locating parts are located at the two sides of the regulating part.
7. the controllable drilling equipment of depth according to claim 1, which is characterized in that along the adjusting rod on the shell
It axially is provided with long hole, indicating arm is provided on the adjusting rod, the long hole, the shell are stretched out in one end of the indicating arm
On the extending direction of the long hole is provided with graduation mark.
8. the controllable drilling equipment of depth according to claim 1, which is characterized in that the regulating part be turntable, described turn
Disk is axially disposed the threaded hole through the turntable, and the lateral wall of the turntable is provided with anti-skid chequer.
9. the controllable drilling equipment of depth according to claim 8, which is characterized in that the both sides of the face of the turntable are set respectively
It is equipped with annular groove, the annular groove is located at the threaded hole peripheral region, and is coaxially disposed with the threaded hole；The turntable
Two sides are respectively arranged with locating rack, and the positioning end of the locating rack protrudes into the annular groove.
10. a kind of drill bit assembly, which is characterized in that controllably drill dress applied to such as described in any item depth of claim 1-9
It sets, including drill bit and adjusting rod, the drill bit includes head and bar portion, and the head is connected to one end of the bar portion, described
The other end of bar portion is connect by bearing with the adjusting rod, and the outer wall of the adjusting rod is provided with screw thread, and the bar portion includes
Inserting section for being connect with transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704848.2U CN209203419U (en) | 2018-10-19 | 2018-10-19 | The controllable drilling equipment of depth and its drill bit assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704848.2U CN209203419U (en) | 2018-10-19 | 2018-10-19 | The controllable drilling equipment of depth and its drill bit assembly |
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| Publication Number | Publication Date |
|---|---|
| CN209203419U true CN209203419U (en) | 2019-08-06 |
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| CN201821704848.2U Active CN209203419U (en) | 2018-10-19 | 2018-10-19 | The controllable drilling equipment of depth and its drill bit assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109077777A (en) * | 2018-10-19 | 2018-12-25 | 北京天星博迈迪医疗器械有限公司 | The controllable drilling equipment of depth and its drill bit assembly |
| CN109805981A (en) * | 2017-11-22 | 2019-05-28 | 苏州微创骨科医疗工具有限公司 | Medical tool |
-
2018
- 2018-10-19 CN CN201821704848.2U patent/CN209203419U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805981A (en) * | 2017-11-22 | 2019-05-28 | 苏州微创骨科医疗工具有限公司 | Medical tool |
| CN109805981B (en) * | 2017-11-22 | 2024-02-27 | 苏州微创骨科医疗工具有限公司 | Medical tool |
| CN109077777A (en) * | 2018-10-19 | 2018-12-25 | 北京天星博迈迪医疗器械有限公司 | The controllable drilling equipment of depth and its drill bit assembly |
| CN109077777B (en) * | 2018-10-19 | 2024-05-17 | 北京天星博迈迪医疗器械有限公司 | Depth-controllable drilling device and drill bit assembly thereof |
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