CN208575796U - A kind of casing handle of reamers - Google Patents
A kind of casing handle of reamers Download PDFInfo
- Publication number
- CN208575796U CN208575796U CN201821075939.4U CN201821075939U CN208575796U CN 208575796 U CN208575796 U CN 208575796U CN 201821075939 U CN201821075939 U CN 201821075939U CN 208575796 U CN208575796 U CN 208575796U
- Authority
- CN
- China
- Prior art keywords
- steel ball
- seat
- cover
- sleeve
- spring
- 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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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model relates to a kind of casing handles of reamers, belong to medical instruments field.The amount of feeding is difficult to control current reamers in use, hurts the nerve of patient sometimes.The utility model includes exterior nut cap, housing, cover for seat, front hand grip, knob, positioning sleeve, steel ball sleeve, back handle, steel ball seat, interior nut, feeding steel ball, limit steel ball, clamping steel ball, spring and torsional spring；Back handle is mounted on steel ball sleeve by interior nut, limit steel ball is mounted on steel ball sleeve, and front hand grip and clamping steel ball are installed in cover for seat, and feeding steel ball is mounted on steel ball seat, cover for seat is mounted on one end of steel ball seat, steel ball sleeve and spring are sleeved on steel ball seat, and one end of spring is contacted with steel ball sleeve, and the other end of spring is contacted with cover for seat, coat suit is on steel ball sleeve, exterior nut cap is mounted on the upper of housing, and knob and positioning sleeve are sleeved in cover for seat, and torsional spring is between cover for seat and knob.It avoids hurting patients' neural in operation.
Description
Technical field
The utility model relates to a kind of casing handles of reamers, belong to medical instruments field.
Background technique
Casing handle is usually used in reamers, and the use convenient for doctor to reamers, current reamers is in use process
The middle amount of feeding is difficult to control, it is often necessary to and feeding is judged according to the experience of doctor how much, hurt the nerve of patient sometimes, it will
It will lead to malpractice.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of structure design conjunction
The casing handle of the reamers of reason.
The technical scheme in the invention for solving the above technical problem is: the casing handle of the reamers, and structure is special
Point be: including exterior nut cap, housing, cover for seat, front hand grip, knob, positioning sleeve, steel ball sleeve, back handle, steel ball seat, interior nut, into
To steel ball, limit steel ball, clamping steel ball, spring and torsional spring；The back handle is mounted on steel ball sleeve by interior nut, the limit
Position steel ball is mounted on steel ball sleeve, and the front hand grip and clamping steel ball are installed in cover for seat, and the feeding steel ball is mounted on steel
On pearl seat, the cover for seat is mounted on one end of steel ball seat, and the steel ball sleeve and spring are sleeved on steel ball seat, the spring
One end is contacted with steel ball sleeve, and the other end of the spring is contacted with cover for seat, and the coat suit is on steel ball sleeve, the exterior nut cap
It is mounted on the upper of housing, the knob and positioning sleeve are sleeved in cover for seat, and the torsional spring is between cover for seat and knob.Pass through
The casing handle realizes the spacing feeding of reamers, avoids in operation convenient for controlling the feeding distance of reamers
Patients' neural is hurt, the generation of malpractice is reduced.
Further, the quantity of the feeding steel ball is six, and six feedings steel ball is arranged in the shape of a spiral, adjacent two
Angle between a feeding steel ball is 60 °.Convenient for controlling the feeding distance of reamers.
Further, the quantity of the limit steel ball is two, and described two limit steel balls are arranged symmetrically.Convenient for casing hand
Handle rotation.
Further, the cover for seat is installed on the coat.
Further, along the annular spacing groove that has been arranged radially of steel ball seat, the limit steel ball is located at annular spacing groove
It is interior, the axial direction of steel ball seat is provided with bar limit slot, the limit steel ball is located in bar limit slot.
Further, the annular spacing groove is connected to bar limit slot.Convenient for controlling turning for steel ball sleeve by back handle
Dynamic or sliding.
Further, the front hand grip is fixed with cover for seat.
Further, described to put on the holding tank being provided with for accommodating back handle outside, the holding tank includes locking knot
Structure, feeding structure and disassembly and assembly structure.
Further, the feeding steel ball is contacted with the inner wall of steel ball sleeve, and the limit steel ball is contacted with the inner wall of housing.
Further, the spring is compressed spring.
Compared with prior art, the utility model has the advantage that the casing handle of the reamers, can be according to doctor's
It needs that the amount of feeding of reamers can be controlled, spacing feeding, avoid because of misoperation, injury nerve reduces medical thing
Therefore incidence, improve practicability, reliability.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the casing handle of the reamers of the utility model embodiment.
Fig. 2 is cross-section structure signal of the limit steel ball of the reamers of the utility model embodiment in annular spacing groove
Figure.
Fig. 3 is cross-section structure signal of the limit steel ball of the reamers of the utility model embodiment in bar limit slot
Figure.
In figure: exterior nut cap A1, housing A2, cover for seat A3, front hand grip A4, knob A5, positioning sleeve A6, steel ball sleeve A7, back handle
A8, steel ball seat A9, interior nut A10, feeding steel ball A11, limit steel ball A12, clamping steel ball A13, spring A14, torsional spring A15, ring
Shape limiting slot A16, bar limit slot A17, holding tank A18.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment.
Referring to shown in Fig. 1 to Fig. 3, it should however be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc. are only used
To cooperate the revealed content of specification, so that those skilled in the art understands and reads, it is practical new to be not limited to this
The enforceable qualifications of type, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment it is practical new should all still to fall in this in the case where not influencing the effect of the utility model can be generated and the purpose that can reach
In the range of the revealed technology contents of type can be covered.Meanwhile if in this specification with reference as "upper", "lower", " left side ",
The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model
Range, relativeness are altered or modified, under the content of no substantial changes in technology, enforceable when being also considered as the utility model
Scope.
The casing handle of reamers in the present embodiment, including exterior nut cap A1, housing A2, cover for seat A3, front hand grip A4, knob
A5, positioning sleeve A6, steel ball sleeve A7, back handle A8, steel ball seat A9, interior nut A10, feeding steel ball A11, limit steel ball A12, clamping
Steel ball A13, spring A14 and torsional spring A15；Back handle A8 is mounted on steel ball sleeve A7 by interior nut A10, limit steel ball A12 peace
On steel ball sleeve A7, front hand grip A4 and clamping steel ball A13 are installed on cover for seat A3, and feeding steel ball A11 is mounted on steel ball seat
On A9, cover for seat A3 is mounted on one end of steel ball seat A9, and steel ball sleeve A7 and spring A14 are sleeved on steel ball seat A9, spring A14's
One end is contacted with steel ball sleeve A7, and the other end of spring A14 is contacted with cover for seat A3, and housing A2 is sleeved on steel ball sleeve A7, exterior nut cap
A1 is mounted on the upper of housing A2, and knob A5 and positioning sleeve A6 are sleeved on cover for seat A3, and torsional spring A15 is located at cover for seat A3 and knob A5
Between.
The quantity of feeding steel ball A11 in the present embodiment is six, and six feeding steel ball A11 are arranged in the shape of a spiral, adjacent
Angle between two feeding steel ball A11 is 60 °；The quantity for limiting steel ball A12 is two, two symmetrical cloth of limit steel ball A12
It sets；Cover for seat A3 is mounted on housing A2.
It is arranged radially annular spacing groove A16 along steel ball seat A9 in the present embodiment, limit steel ball A12 is located at annular
In limiting slot A16, the axial direction of steel ball seat A9 is provided with bar limit slot A17, limit steel ball A12 is located at bar limit slot
In A17；Annular spacing groove A16 is connected to bar limit slot A17.
Front hand grip A4 and cover for seat A3 in the present embodiment is fixed；The receiving for accommodating back handle A8 is provided on housing A2
Slot A18, holding tank A18 include locking mechanism, feeding structure and disassembly and assembly structure；Feeding steel ball A11 and the inner wall of steel ball sleeve A7 connect
Touching, limit steel ball A12 are contacted with the inner wall of housing A2；Spring A14 is compressed spring.
Specifically, the casing handle of the reamers can control the amount of feeding of reamers by the principle of ball-screw,
Spacing feeding is realized, is avoided because of misoperation, injury nerve reduces the incidence of malpractice, improves practicability, can
By property, so that it is carried out spacing feeding by rotation back handle A8 control feeding steel ball A11, limit steel ball is controlled by back handle A8
A12, which is located at limit steel ball A12 in annular spacing groove A16 or bar limit slot A17, makes it rotate or slide, and passes through rotation and revolves
Button A5 control clamping steel ball A13 can lock the toggle of reamers；Back handle A8 is rotated in holding tank A18 can present reamers
Locking, feeding and dismounting.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different, and above content is only to the utility model structure example explanation described in this specification.
All equivalence changes or simple change done according to structure, feature and principle described in the concept of the patent of the utility model, are wrapped
It includes in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to described
Specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the knot of the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of casing handle of reamers, it is characterised in that: including exterior nut cap, housing, cover for seat, front hand grip, knob, positioning
Set, steel ball sleeve, back handle, steel ball seat, interior nut, feeding steel ball, limit steel ball, clamping steel ball, spring and torsional spring；The defensive position
Handle is mounted on steel ball sleeve by interior nut, and the limit steel ball is mounted on steel ball sleeve, and the front hand grip and clamping steel ball are equal
It is mounted in cover for seat, the feeding steel ball is mounted on steel ball seat, and the cover for seat is mounted on one end of steel ball seat, the steel ball sleeve
It being sleeved on steel ball seat with spring, one end of the spring is contacted with steel ball sleeve, and the other end of the spring is contacted with cover for seat,
For the coat suit on steel ball sleeve, the exterior nut cap is mounted on the upper of housing, and the knob and positioning sleeve are sleeved on cover for seat
On, the torsional spring is between cover for seat and knob.
2. the casing handle of reamers according to claim 1, it is characterised in that: the quantity of the feeding steel ball is six
A, six feedings steel ball is arranged in the shape of a spiral, and the angle between two neighboring feeding steel ball is 60 °.
3. the casing handle of reamers according to claim 1, it is characterised in that: the quantity of the limit steel ball is two
A, described two limit steel balls are arranged symmetrically.
4. the casing handle of reamers according to claim 1, it is characterised in that: the cover for seat installation is on the coat.
5. the casing handle of reamers according to claim 1, it is characterised in that: be arranged radially ring along steel ball seat
Shape limiting slot, the limit steel ball are located in annular spacing groove, and the axial direction of steel ball seat is provided with bar limit slot, the limit
Position steel ball is located in bar limit slot.
6. the casing handle of reamers according to claim 5, it is characterised in that: the annular spacing groove and bar shaped limit
Slot connection.
7. the casing handle of reamers according to claim 1, it is characterised in that: the front hand grip is fixed with cover for seat.
8. the casing handle of reamers according to claim 1, it is characterised in that: outer put on is provided with for accommodating
The holding tank of back handle, the holding tank include locking mechanism, feeding structure and disassembly and assembly structure.
9. the casing handle of reamers according to claim 1, it is characterised in that: it is described feeding steel ball and steel ball sleeve it is interior
Wall contact, the limit steel ball are contacted with the inner wall of housing.
10. the casing handle of reamers according to claim 1, it is characterised in that: the spring is compressed spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075939.4U CN208575796U (en) | 2018-07-08 | 2018-07-08 | A kind of casing handle of reamers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075939.4U CN208575796U (en) | 2018-07-08 | 2018-07-08 | A kind of casing handle of reamers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208575796U true CN208575796U (en) | 2019-03-05 |
Family
ID=65508739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821075939.4U Expired - Fee Related CN208575796U (en) | 2018-07-08 | 2018-07-08 | A kind of casing handle of reamers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208575796U (en) |
-
2018
- 2018-07-08 CN CN201821075939.4U patent/CN208575796U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190305 Termination date: 20210708 |