CN204106118U - A kind of miniature abrasive drilling of multistage reinforcement - Google Patents
A kind of miniature abrasive drilling of multistage reinforcement Download PDFInfo
- Publication number
- CN204106118U CN204106118U CN201420506029.2U CN201420506029U CN204106118U CN 204106118 U CN204106118 U CN 204106118U CN 201420506029 U CN201420506029 U CN 201420506029U CN 204106118 U CN204106118 U CN 204106118U
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- China
- Prior art keywords
- connecting axle
- bearing
- connecting portion
- sleeve
- bistrique
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Abstract
The utility model discloses a kind of miniature abrasive drilling of multistage reinforcement, it comprises: the end of hollow, one end is connected with end and the connecting portion of hollow, be connected and the housing section of hollow with the other end of connecting portion, to be arranged in housing section and the power transmission shaft be in transmission connection with electric machine main shaft, the connecting axle be connected through connecting portion inside and with transmission shaft driven, to be inserted at least partly in connecting axle and the bistrique of coaxial rotating, to be set on connecting axle and with the clutch shaft bearing of inner wall of end abutting contact, and to be set on connecting axle and with the second bearing of connecting portion inwall abutting contact, the center of clutch shaft bearing is passed in one end of wherein said bistrique, and power transmission shaft is adjacent with the second bearing.This utility model, by arranging front and back duplex bearing on connecting axle, provides axiality, increases chucking power, easy to operate, installs simple, stable and reliable for performance.
Description
Technical field
This utility model relates to a kind of miniature abrasive drilling of multistage reinforcement.
Background technology
Carrying out in surgical procedures, sometimes need to carry out grinding to body inner bone tissues, especially spinal operation and plastic operation, and grinding generally adopts the rotation of power handle Direct driver bistrique to carry out grinding, miniature abrasive drilling obtains thus and uses widely in surgical operation, but because existing market requires that the revolution of miniature abrasive drilling is more and more higher, therefore higher requirement is proposed to the chucking power of crusher drill and stability, and for the darker operative site of deep formation, control for bistrique is comparatively difficult, use inconvenience, procedure efficiency is lower.
Utility model content
This utility model object is: the miniature abrasive drilling providing a kind of multistage reinforcement, comes off to prevent bistrique and improve reliability.
First technical scheme of the present utility model is: a kind of miniature abrasive drilling of multistage reinforcement, it comprises: the end of hollow, one end is connected with end and the connecting portion of hollow, be connected and the housing section of hollow with the other end of connecting portion, to be arranged in housing section and the power transmission shaft be in transmission connection with electric machine main shaft, the connecting axle be connected through connecting portion inside and with transmission shaft driven, to be inserted at least partly in connecting axle and the bistrique of coaxial rotating, to be set on connecting axle and with the clutch shaft bearing of inner wall of end abutting contact, and to be set on connecting axle and with the second bearing of connecting portion inwall abutting contact, the center of clutch shaft bearing is passed in one end of wherein said bistrique, and power transmission shaft is adjacent with the second bearing.
On the basis of technique scheme, comprise following attached technical scheme further:
It comprises further be inserted at least partly in end and protect the protective sleeve of bistrique, to arrange outside end and can axially movable movable sleeve and to be set on connecting axle and can axially-movable bistrique and connecting axle to be carried out the clamping sleeve of axial restraint.
It comprises further and to be arranged on inside connecting portion and the positioning sleeve be set on clamping sleeve, to be arranged on movably outside connecting portion and to be impelled the rotary sleeve of positioning sleeve axially-movable by rotary motion, be set on connecting axle and one end and be resisted against several dish-shaped pad or Compress Springs on clamping sleeve, the locating ring of fixing dish-shaped pad or the Compress Spring other end and jump ring, to be arranged between connecting portion and housing section and to be axially resisted against the retainer ring on the second bearing, and the axle spring be set on connecting axle.
It comprises further and to be set up in parallel to first and second bearing and to form third and fourth bearing of corresponding bearing group, is wherein isolated by the first cage ring between first and third bearing, and is isolated by the second cage ring between second, four bearings.
The axis coaxle of described power transmission shaft, connecting axle, bistrique three, wherein positioning sleeve is arranged between first and second bearing.
The outside of described end is arranged with spring; and be provided with between end and movable sleeve can with the first detent ball of protective sleeve partial coherence; and end is provided with the ball hole that permission first detent ball passes at least partly, movable sleeve is then correspondingly provided with axes intersect and impels the first detent ball to carry out the inclined-plane of radial motion.
Described connecting portion has collecting positioning sleeve, dish-shaped pad and the connection chamber of the second bearing, to be connected with connection chamber and spiral is arranged on helicla flute outside connection chamber, wherein helicla flute is placed with at least one second detent ball, and positioning sleeve is also provided with the groove of partial receipt second detent ball.
It comprises the positioning roller of fixing bistrique one end further, and one end of clamping sleeve has the inclined-plane coordinated with positioning roller.
Described housing section has the housing chamber of collecting power transmission shaft, and wherein driving sleeve to be located on connecting axle and by connecting pin with prevent raising one's hat and to be fixedly connected with connecting axle.
Second technical scheme of the present utility model is: a kind of miniature abrasive drilling of multistage reinforcement, it comprises: the end of hollow, one end is connected with end and the connecting portion of hollow, be connected and the housing section of hollow with the other end of connecting portion, to be arranged in housing section and the power transmission shaft be in transmission connection with electric machine main shaft, the connecting axle be connected through connecting portion inside and with transmission shaft driven, with the bistrique of connecting axle coaxial rotating, to be set on connecting axle and with the clutch shaft bearing of inner wall of end abutting contact, and to be set on connecting axle and with the second bearing of connecting portion inwall abutting contact.
This utility model advantage is:
This utility model, by arranging front and back duplex bearing and multistage reinforcement structure on connecting axle, provides axiality, increases chucking power, easy to operate, installs simple, stable and reliable for performance, improves reliability, easy to use, promotes procedure efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further described:
Fig. 1 is perspective view of the present utility model;
Fig. 2 is sectional view of the present utility model;
Fig. 3 is the internal structure schematic diagram of Fig. 1;
Fig. 4 is the decomposing schematic representation of Fig. 1.
Detailed description of the invention
Embodiment: as Figure 1-4, this utility model provides a kind of specific embodiment of miniature abrasive drilling of multistage reinforcement, and it comprises: the end 10 of hollow, one end is connected with end 10 and the connecting portion 20 of hollow, be connected with the other end of connecting portion 20 and the housing section 30 of hollow, to be arranged in housing section 30 and the power transmission shaft 40 be in transmission connection with electric machine main shaft (not shown), and the connecting axle 50 that with power transmission shaft 40 be in transmission connection inner through connecting portion 20, to be inserted at least partly in connecting axle 50 and the bistrique 60 of coaxial rotating, to be inserted at least partly in end 10 and the protective sleeve 62 of protection bistrique 60, to arrange outside end 10 and can be axially movable movable sleeve 64, axially to be set on connecting axle 50 and with the clutch shaft bearing 66 of end 10 inwall abutting contact, to be set on connecting axle 50 and can axially-movable bistrique 60 and connecting axle 50 to be carried out the clamping sleeve 68 of axial restraint, to be arranged on inside connecting portion 20 and the positioning sleeve 69 be set on clamping sleeve 68, to be arranged on movably outside connecting portion 20 and to be impelled the rotary sleeve 70 of positioning sleeve 69 axially-movable by rotary motion, be set on connecting axle 50 and one end and be resisted against several dish-shaped pads 72 on clamping sleeve 68, the locating ring 74 of fixing dish-shaped pad 72 other end and jump ring 75, be set in the second bearing 76 on connecting axle 50 and adjacent with jump ring 75, to be arranged between connecting portion 20 and housing section 30 and the retainer ring 80 be resisted against on the second bearing 76, and the axle spring 82 be set on connecting axle 50.In order to implement to obtain better axiality and reliability better, also third and fourth bearing of being set up in parallel to first and second bearing 66,76 can be increased to form corresponding bearing group, wherein isolated by the first cage ring 67 between first and third bearing, and isolated by the second cage ring 78 between second, four bearings.Preferably, dish-shaped pad 72 also can be replaced by Compress Spring.The axis coaxle of power transmission shaft 40, connecting axle 50, bistrique 60 three.Positioning sleeve 69 is preferably arranged between first and second bearing 66,76, can realize thus locating well.
End 10 has the inner chamber 12 of collecting clutch shaft bearing 66, and this inner chamber 12 allows the partial insertion of protective sleeve 62 or connecting axle 50 or clamping sleeve 68, and allows one end of bistrique 60 to pass.The outside of end 10 is arranged with spring 640; be provided with the first detent ball 620 between end 10 and movable sleeve 64 simultaneously; and end 10 is provided with the ball hole that permission first detent ball 620 passes at least partly; the first detent ball 620 is made to there is partial coherence with protective sleeve 62; movable sleeve 64 is correspondingly provided with the inclined-plane with axes intersect, makes axial motion to impel the first detent ball 620 to carry out radial motion.First detent ball 620 is preferably three, and is intervally arranged circumferencial direction 120 degree.End 10 is preferably steel bushing.
Connecting portion 20 has collecting positioning sleeve 69, dish-shaped pad 72 and the connection chamber 22 of the second bearing 76, to be connected with connection chamber 22 and spiral is arranged on helicla flute 24 outside connection chamber 22, wherein helicla flute 24 is placed with at least one second detent ball 624, and positioning sleeve 69 is also provided with the groove of partial receipt second detent ball 624.One end of clamping sleeve 68 has inclined-plane, and this inclined-plane coordinates with positioning roller 622, forces positioning roller 622 radial motion when clamping sleeve 68 is moved axially, with fixing one end of fixing bistrique 60.Wherein positioning roller 622 is preferably three, and is intervally arranged circumferencial direction 120 degree.
Housing section 30 has the housing chamber 32 of collecting power transmission shaft 40, wherein power transmission shaft 40 is set on connecting axle 50 and is also fixedly connected with connecting axle 50 by the radial connecting pin 42 extended, anti-raising one's hat again by being set in power transmission shaft 40 44 stops connecting pin 42 to come off, more contribute to the good transmission of power transmission shaft 40 and connecting axle 50, it is movable within the specific limits that waist hole in addition on power transmission shaft 40 can realize both power transmission shaft 40 and connecting axle 50, and be connected tight difficult drop-off at the effect lower drive shaft 40 of axle spring 82 with electric machine main shaft.
Duty: electric machine main shaft rotates and drives power transmission shaft 40 to rotate, power transmission shaft 40 is connected drive connecting axle 50 simultaneously by connecting pin 42 with connecting axle 50 and rotates, for ensureing the axiality of connecting axle 50 own rotation, double-row bearing group has been installed at its two ends, bistrique 60 is inserted among connecting axle 50 and rotates with connecting axle 50, finishes the work.
The clamping process of protective sleeve 62: as shown in Figure 2, movable sleeve 64 overcomes the elastic force action to the right of spring 640, make the inclined-plane action to the right that it contacts with the first detent ball 620, the thrust of release to the first detent ball 620, generation can allow the first detent ball 620 do space away from end 10 axial-movement, protective sleeve 62 is facilitated to insert or extract, when protective sleeve 62 is in place, protective sleeve 62 contacts with the first detent ball 620, under the effect of spring 640 elastic force, movable sleeve 64 action left, the inclined-plane contacted with the first detent ball 620 extrudes the first detent ball 620, make it to be stuck in the circular groove of protective sleeve 62, complete the clamping of protective sleeve 62.
The clamping process of bistrique 60: the part that connecting axle 50 contacts with jump ring 75 is fluted, makes jump ring 75 relative with connecting axle 50 fixing, and the locating ring 74 making it to be arranged on jump ring 75 top cannot jump ring 75 action to the right relatively.Rotary moveable cover 64, the groove of its inside promotes the second detent ball 624 and moves right at helicla flute 24 internal coiling of connecting portion 20, drive positioning sleeve 69 action to the right simultaneously, and make the clamping sleeve 68 that contacts with positioning sleeve 69, overcome the elastic force action to the right of multiple dish-shaped pad 72, allow the earth pressure release acted in positioning roller 622 simultaneously, make positioning roller 622 have the space can done away from connecting axle 50 axial-movement, facilitate the insertion of bistrique 60 and extract.After bistrique 60 is in place, 64 clamping sleeve 68 actions left under the effect of dish-shaped pad 72 elastic force of releasing activity cover, compress positioning roller 622 and bistrique 60 are fixed, complete the clamping of bistrique 60.
This utility model, by arranging front and back duplex bearing and multistage reinforcement structure on connecting axle, provides axiality, increases chucking power, easy to operate, installs simple, stable and reliable for performance.
Certain above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to the spirit of this utility model main technical schemes or modification, all should be encompassed within protection domain of the present utility model.
Claims (10)
1. the miniature abrasive drilling of a multistage reinforcement, it is characterized in that it comprises: the end (10) of hollow, one end is connected and the connecting portion of hollow (20) with end (10), be connected and the housing section of hollow (30) with the other end of connecting portion (20), to be arranged in housing section (30) and the power transmission shaft (40) be in transmission connection with electric machine main shaft, and the connecting axle (50) that with power transmission shaft (40) be in transmission connection inner through connecting portion (20), to be inserted at least partly in connecting axle (50) and the bistrique of coaxial rotating (60), be set in connecting axle (50) upper and with the clutch shaft bearing (66) of end (10) inwall abutting contact, and be set in connecting axle (50) upper and with second bearing (76) of connecting portion (20) inwall abutting contact, the center of clutch shaft bearing (66) is passed in one end of wherein said bistrique (60), and power transmission shaft (40) is adjacent with the second bearing (76).
2. the miniature abrasive drilling of a kind of multistage reinforcement as claimed in claim 1, is characterized in that: its comprise further be inserted at least partly in end (10) and the protective sleeve (62) of protection bistrique (60), outside, end (10) is set and can axially movable movable sleeve (64) and be set in connecting axle (50) above and can axially-movable bistrique (60) and connecting axle (50) to be carried out the clamping sleeve (68) of axial restraint.
3. the miniature abrasive drilling of a kind of multistage reinforcement as claimed in claim 2, it is characterized in that: its comprise further be arranged on connecting portion (20) inner side and the positioning sleeve (69) be set on clamping sleeve (68), be arranged on connecting portion (20) outside movably and impelled the rotary sleeve (70) of positioning sleeve (69) axially-movable by rotary motion, be set in that connecting axle (50) is upper and one end is resisted against several dish-shaped pad (72) or Compress Springs on clamping sleeve (68), the locating ring (74) of fixing dish-shaped pad (72) or the Compress Spring other end and jump ring (75), to be arranged between connecting portion (20) and housing section (30) and to be axially resisted against the retainer ring (80) on the second bearing (76), and the axle spring (82) be set on connecting axle (50).
4. the miniature abrasive drilling of a kind of multistage reinforcement as described in claim 1 or 2 or 3, it is characterized in that: it comprises further and to be set up in parallel with first and second bearing (66,76) and to form third and fourth bearing of corresponding bearing group, wherein isolated by the first cage ring (67) between first and third bearing, and isolated by the second cage ring (78) between second, four bearings.
5. the miniature abrasive drilling of a kind of multistage reinforcement as described in claim 1 or 2 or 3, it is characterized in that: the axis coaxle of described power transmission shaft (40), connecting axle (50), bistrique (60) three, wherein positioning sleeve (69) is arranged between first and second bearing (66,76).
6. the miniature abrasive drilling of a kind of multistage reinforcement as claimed in claim 3; it is characterized in that: the spring (640) that the outside of described end (10) is arranged with; and be provided with between end (10) and movable sleeve (64) can with first detent ball (620) of protective sleeve (62) partial coherence; and end (10) are provided with the ball hole that permission first detent ball (620) passes at least partly, movable sleeve (64) is then correspondingly provided with axes intersect and impels the first detent ball (620) to carry out the inclined-plane of radial motion.
7. the miniature abrasive drilling of a kind of multistage reinforcement stated as claim 3 or 6, it is characterized in that: described connecting portion (20) has collecting positioning sleeve (69), dish-shaped pad (72) and the connection chamber (22) of the second bearing (76), to be connected with connection chamber (22) and spiral is arranged on the helicla flute (24) in connection chamber (22) outside, wherein helicla flute (24) is placed with at least one second detent ball (624), and positioning sleeve (69) is also provided with the groove of partial receipt second detent ball (624).
8. the miniature abrasive drilling of a kind of multistage reinforcement stated as claim 7, it is characterized in that: it comprises the positioning roller (622) of fixing bistrique (60) one end further, and one end of clamping sleeve (68) has the inclined-plane coordinated with positioning roller (622).
9. the miniature abrasive drilling of a kind of multistage reinforcement stated as claim 1,2,3 or 6, it is characterized in that: described housing section (30) has the housing chamber (32) of collecting power transmission shaft (40), wherein power transmission shaft (40) is set in connecting axle (50) and goes up and pass through connecting pin (42) and be fixedly connected with connecting axle (50) with anti-raise one's hat (44).
10. the miniature abrasive drilling of a multistage reinforcement, it is characterized in that it comprises: the end (10) of hollow, one end is connected and the connecting portion of hollow (20) with end (10), be connected and the housing section of hollow (30) with the other end of connecting portion (20), to be arranged in housing section (30) and the power transmission shaft (40) be in transmission connection with electric machine main shaft, and the connecting axle (50) that with power transmission shaft (40) be in transmission connection inner through connecting portion (20), with the bistrique (60) of connecting axle (50) coaxial rotating, be set in connecting axle (50) upper and with the clutch shaft bearing (66) of end (10) inwall abutting contact, and be set in connecting axle (50) upper and with second bearing (76) of connecting portion (20) inwall abutting contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506029.2U CN204106118U (en) | 2014-09-03 | 2014-09-03 | A kind of miniature abrasive drilling of multistage reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506029.2U CN204106118U (en) | 2014-09-03 | 2014-09-03 | A kind of miniature abrasive drilling of multistage reinforcement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204106118U true CN204106118U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420506029.2U Expired - Fee Related CN204106118U (en) | 2014-09-03 | 2014-09-03 | A kind of miniature abrasive drilling of multistage reinforcement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204106118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104224276A (en) * | 2014-09-03 | 2014-12-24 | 苏州益诺斯医疗科技有限公司 | Multilevel reinforced minitype abrasive drill |
-
2014
- 2014-09-03 CN CN201420506029.2U patent/CN204106118U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104224276A (en) * | 2014-09-03 | 2014-12-24 | 苏州益诺斯医疗科技有限公司 | Multilevel reinforced minitype abrasive drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151117 Address after: 201801 Shanghai city Jiading District Malu Town Longpan Road No. 125 East Patentee after: AIKE(SHANGHAI) MEDICAL INSTRUMENT CO., LTD. Address before: 1707 YOUNGOR International Center, room 215000, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU YINUOSI MEDICAL TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20160903 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |