CN206475104U - Dental ratchet spanner - Google Patents
Dental ratchet spanner Download PDFInfo
- Publication number
- CN206475104U CN206475104U CN201720068253.1U CN201720068253U CN206475104U CN 206475104 U CN206475104 U CN 206475104U CN 201720068253 U CN201720068253 U CN 201720068253U CN 206475104 U CN206475104 U CN 206475104U
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- Prior art keywords
- inner core
- ratchet
- head
- sleeve
- dental
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Abstract
The utility model discloses a kind of dental ratchet spanner, the dental ratchet spanner includes sleeve, the inner core in the sleeve, one end of wherein described sleeve is provided with accommodating hole, the dental ratchet spanner also includes the ratchet head located at the accommodating hole, the ratchet head is coupled with the inner core, and the ratchet head can be rotated operatively relative to the sleeve.The dental ratchet spanner is easy to operate, and production cost is relatively low.
Description
Technical field
The utility model is related to medical field, more particularly to a kind of dental ratchet spanner.
Background technology
It is that ratchet head is directly set on instrument in the prior art, the ratchet spanner without ratchet head is directly sleeved on instrument
On ratchet head, it is operated by the snap fit on ratchet spanner with the cooperation of instrument ratchet head.There is more disadvantage in prior art
End, one：Each instrument is required for being equipped with ratchet head, considerably increases production cost；Secondly：For instrument, ratchet head
It is not general attachment structure, so the scope of ratchet spanner application is narrow.In addition, the cleaning of ratchet head is also very inconvenient,
Need to disassemble in addition.Therefore prior art operation is inconvenient, and adds the cost of labor of doctor.
Utility model content
The purpose of this utility model is to provide a kind of dental ratchet spanner, the dental ratchet spanner is easy to operate,
Production cost is relatively low and the scope of application is wider.
To realize the above-mentioned utility model first purpose, the embodiment of the utility model one provides a kind of dental ratchet wrench
Hand, the dental ratchet spanner includes sleeve, the inner core in the sleeve, wherein one end of the sleeve is provided with accommodating
Hole, the dental ratchet spanner also includes the ratchet head located at the accommodating hole, and the ratchet head is coupled with the inner core, and
The ratchet head can be rotated operatively relative to the sleeve.
As the further improvement of the embodiment of the utility model one, the periphery on the sleeve positioned at the accommodating hole is set
There is clean-out opening, one end of the clean-out opening is exposed, and the other end of the clean-out opening is connected with the ratchet head.
As the further improvement of the embodiment of the utility model one, the ratchet head is provided with centrosymmetric interior polygon
Shape hole.
As the further improvement of the embodiment of the utility model one, the inner polygon hole is quadrilateral hole, hexagon
Hole, octagon hole or plum blossom hole.
As the further improvement of the embodiment of the utility model one, the ratchet head is riveted on the sleeve.
As the further improvement of the embodiment of the utility model one, the inner core is provided with flat filament face, the sleeve
Side is provided with the salient point coordinated with the flat filament face, and the other end of the sleeve is provided with fixing nut, and the inner core is adjacent to described solid
The one end for determining nut is fixed with commutation head, and the inner core can be operatively coupled with the ratchet head or be disengaged, the inner core
With the first position and the second place being coupled with the ratchet head, during first position, the ratchet head can be by operatively relative
Can be turned clockwise in the accommodating hole, it is impossible to rotate counterclockwise, during the second place, the ratchet head can by operatively relative to
The accommodating hole energy rotate counterclockwise, it is impossible to rotate clockwise.
As the further improvement of the embodiment of the utility model one, the ratchet head is circumferentially with a plurality of necks, institute
State inner core and be provided with the snap fit being coupled with the neck, the inner core is provided with stop surface, the stop surface and the fixing nut
Between be provided with elastic component, pull the commutation head so that it drives described inner core relative to the sleeve to away from the ratchet head
Direction rectilinear movement, the inner core and the ratchet head disengage, then rotate the commutation head make its drive inner core relative to
Sleeve rotates 180 degree, unclamps the commutation head, and the inner core is in the presence of the elastic component relative to the sleeve to close
The direction movement of the ratchet head, until the inner core reaches the second place being coupled with the ratchet head.
As the further improvement of the embodiment of the utility model one, the elastic component is stage clip, and the elastic component set
Located at the inner core.
As the further improvement of the embodiment of the utility model one, the fixing nut is provided with external screw thread, the set
Cylinder is provided with the internal thread coordinated with the external screw thread.
As the further improvement of the embodiment of the utility model one, the commutation head is welded in the inner core.
Compared with prior art, the beneficial effects of the utility model are：Dental ratchet spanner in the utility model
It is designed to：Ratchet head is set in the accommodating hole of sleeve, when using dental ratchet spanner, without repeatedly dismounting ratchet head,
Operation is very easy.Furthermore, it is not used in being equipped with ratchet head on each instrument, so that production cost is greatly reduced, and the tooth
The scope of application of section's ratchet spanner is wider.In addition, being provided with clean-out opening in the periphery of the accommodating hole so that without pulling down ratchet
Head can just be cleaned, and further increase the operation convenience of dental ratchet spanner, meanwhile, also reduce production cost.
Brief description of the drawings
Fig. 1 is the sectional view of dental ratchet spanner in the embodiment of the utility model one, now dental ratchet spanner
Inner core be in first position.
Fig. 2 is the revolved sectional view at C-C in Fig. 1.
Fig. 3 is the sectional view of dental ratchet spanner in the embodiment of the utility model one, and the head that now commutates is pulled, tooth
The inner core of section's ratchet spanner is disengaged with ratchet head.
Fig. 4 is the sectional view of dental ratchet spanner in the embodiment of the utility model one, now dental ratchet spanner
Inner core be in the second place.
Embodiment
The utility model is described in detail below with reference to embodiment shown in the drawings.But these embodiment party
Formula is not intended to limit the utility model, structure that one of ordinary skill in the art is made according to these embodiments, method or
Conversion functionally is all contained in protection domain of the present utility model.
As shown in Figures 1 to 4, this preferred embodiment discloses a kind of dental ratchet spanner, dental ratchet wrench handbag
Sleeve 10, the inner core 12 in sleeve 10 are included, one end of its sleeve 10 is provided with accommodating hole 14, and dental ratchet spanner also includes
Located at the ratchet head 16 of accommodating hole 14, ratchet head 16 is coupled with inner core 12, and ratchet head 16 can be by operatively relative to sleeve 10
Rotate.
In this preferred embodiment, ratchet head 16 is set in the accommodating hole 14 of sleeve 10, when using dental ratchet spanner, no
With ratchet head 16 is repeatedly dismounted, operation is very easy.Furthermore, it is not used in being equipped with ratchet head on each instrument, so that significantly
Production cost is reduced, and the scope of application of the dental ratchet spanner is wider.
Further, clean-out opening is provided with positioned at the periphery of accommodating hole 14 on sleeve 10, one end of clean-out opening is exposed, clean-out opening
The other end connected with ratchet head 16.So so that can just be cleaned without pulling down ratchet head 16, further increase dental
The operation convenience of ratchet spanner, meanwhile, also reduce production cost.
In this preferred embodiment, ratchet head 16 is riveted on sleeve 10.When using dental ratchet spanner, the phase of ratchet head 16
Rotated for sleeve 10 in accommodating hole 14, realize the locking to instrument or unscrewing operation.Ratchet head 16 is provided with Central Symmetry
Inner polygon hole, ratchet head 16 and instrument are coupled to be locked or unscrewed, therefore, the inner polygon hole of ratchet head 16 and work
The outer polygon of tool matches.Specifically, inner polygon hole may be configured as quadrilateral hole, hexagonal hole, octagon hole or plum blossom
Hole.It is of course also possible to as needed, inner polygon hole is arranged into other shapes.
Specific clean-out opening is set to 3, including the first clean-out opening 20, the second clean-out opening 22, the 3rd clean-out opening 24, and the
First center line 26 of one clean-out opening 20, the second center line 28 of the second clean-out opening 22 and the third centerline of the 3rd clean-out opening 24
30 is in the same plane, into 90 degree of angle between the first center line 26, the second center line 28 and third centerline 30.Enter one
Step, the first center line 26, the second center line 28 and third centerline 30 both pass through the center A of ratchet head 16.Certainly, first is clear
First center line 26 of hole flushing 20, the second center line 28 of the second clean-out opening 22 and the third centerline 30 of the 3rd clean-out opening 24
It can be not provided with same plane, and the first center line 26, the second center line of the second clean-out opening 22 of the first clean-out opening 20
28 and the 3rd clean-out opening 24 third centerline 30 between can also be arranged to other angles.Alternatively, it is also possible to set other numbers
The clean-out opening of amount.In this preferred embodiment, the first clean-out opening 20, the second clean-out opening 22 and the 3rd clean-out opening 24 are disposed as circle
Through hole, it is of course also possible to be arranged to other shapes of through hole.
Furthermore, sleeve 10 has axis 32, and one of clean-out opening in three clean-out openings is the of the second clean-out opening 22
Two center lines 28 are overlapped with the axis 32 of sleeve 10.
Inner core 12 is provided with flat filament face 34, and the inner side of sleeve 10 is provided with the salient point 36 coordinated with flat filament face 34, sleeve 10 it is another
One end is provided with fixing nut 38, and inner core 12 is fixed with commutation first 40 adjacent to one end of fixing nut 38, and inner core 12 can be operated
Ground is coupled or disengaged with ratchet head 16, and inner core 12 has the first position and the second place being coupled with ratchet head 16, first position
When, ratchet head 16 can operatively can be turned clockwise relative to accommodating hole 14, it is impossible to rotate counterclockwise, during the second place, spine
Wheel head 16 can be by operatively relative to the energy rotate counterclockwise of accommodating hole 14, it is impossible to rotate clockwise.
Ratchet head 16 is circumferentially with a plurality of necks 42, and inner core 12 is provided with the snap fit 44 being coupled with neck 42, inner core 12
Provided with stop surface 41, elastic component 46 is provided between stop surface 41 and fixing nut 38, commutation first 40 is pulled so that it drives inner core
12 are moved linearly relative to sleeve 10 to the direction away from ratchet head 16, and inner core 12 is disengaged with ratchet head 16, then rotates commutation
First 40 make it drive inner core 12 to rotate 180 degree relative to sleeve 10, unclamp commutation first 40, inner core 12 is in the presence of elastic component 46
Moved relative to sleeve 10 to the direction close to ratchet head 16, until inner core 12 reaches the second place being coupled with ratchet head 16.
In this preferred embodiment, elastic component 46 is stage clip 46, and elastic component 46 is sheathed on inner core 12.Certainly, elastic component 46 can also be set
It is set to other types of elastic component 46.
Originally in being preferable to carry out, commutation first 40 is welded in inner core 12.Certainly, it can also be used between commutation first 40 and inner core 12
Threaded connection, clamping etc. are other to be fixedly connected with mode.
Fixing nut 38 is provided with external screw thread, and sleeve 10 is provided with the internal thread coordinated with external screw thread.In fixing nut 38 also
Provided with the end of sleeve 10 against catching step 48.
Further, use for convenience, commutation first 40 is provided with commutation mark 50.As shown in figure 1, commutation first 40 is not in
The release conditions of pulling, downwards, stage clip 46 is in free state, under the promotion of stage clip 46, inner core to the arrow of commutation mark 50
12 snap fit 44 is coupled with the neck 42 of ratchet head 16, and now snap fit 44 is relative to the axially downwardly hook of sleeve 10, dental
Ratchet spanner can only dextrorotation use, it is impossible to rotation is used counterclockwise, and the flat filament face 34 on inner core 12 is stuck in the salient point of the inner side of sleeve 10
At 36, inner core 12 is in first position.When needing the rotation used time counterclockwise, commutation first 40 is pulled to drive inner core 12 relative to sleeve
10 rectilinear movements, now stage clip 46 is compressed, and the snap fit 44 of inner core 12 is disengaged with the neck 42 of ratchet head 16, while on inner core 12
Flat filament face 34 and the salient point 36 of the inner side of sleeve 10 disengage.Then commutation first 40 is rotated, it is driven inner core 12 relative to sleeve
10 rotate 180 degree, finally unclamp commutation first 40, inner core 12 is in the presence of stage clip 46 relative to sleeve 10 to close to ratchet head 16
Direction movement, the snap fit 44 of inner core 12 is coupled with the neck 42 of ratchet head 16, and now inner core 12 is positioned at the second place, inner core 12
Flat filament face 34 be stuck in again at the salient point 36 of the inner side of sleeve 10, snap fit 44 relative to sleeve 10 hook axially upwards, now
Dental ratchet spanner can only revolve use counterclockwise, it is impossible to which dextrorotation is used, accordingly, and the arrow of commutation mark 50 is upward.Therefore,
The dental ratchet spanner can realize the rotation direction of both direction, and the scope of application is wider, and operation is very easy for commutation.
It should be understood that, although the present specification is described in terms of embodiments, but not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Bright book is as an entirety, and the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
The a series of tool described in detail only for feasibility embodiment of the present utility model of those listed above
Body illustrates that they are simultaneously not used to limit protection domain of the present utility model, all to be made without departing from the utility model skill spirit
Equivalent implementations or change should be included within protection domain of the present utility model.
Claims (10)
1. a kind of dental ratchet spanner, the dental ratchet spanner includes sleeve, the inner core in the sleeve, it is special
Levy and be：One end of the sleeve is provided with accommodating hole, and the dental ratchet spanner also includes the ratchet located at the accommodating hole
Head, the ratchet head is coupled with the inner core, and the ratchet head can be rotated operatively relative to the sleeve.
2. dental ratchet spanner according to claim 1, it is characterised in that：Positioned at the accommodating hole on the sleeve
Periphery is provided with clean-out opening, and one end of the clean-out opening is exposed, and the other end of the clean-out opening is connected with the ratchet head.
3. dental ratchet spanner according to claim 1, it is characterised in that the ratchet head is provided with centrosymmetric
Inner polygon hole.
4. dental ratchet spanner according to claim 3, it is characterised in that the inner polygon hole be quadrilateral hole,
Hexagonal hole, octagon hole or plum blossom hole.
5. dental ratchet spanner according to claim 1, it is characterised in that the ratchet head is riveted on the sleeve.
6. dental ratchet spanner according to claim 1, it is characterised in that the inner core is provided with flat filament face, described
The salient point coordinated with the flat filament face is provided with the inside of sleeve, the other end of the sleeve is provided with fixing nut, and the inner core is neighbouring
One end of the fixing nut is fixed with commutation head, and the inner core can be operatively coupled with the ratchet head or be disengaged, institute
Stating inner core has the first position and the second place being coupled with the ratchet head, and during first position, the ratchet head can be operated
Ground can turn clockwise relative to the accommodating hole, it is impossible to rotate counterclockwise, during the second place, and the ratchet head can be by operatively
Relative to the accommodating hole energy rotate counterclockwise, it is impossible to rotate clockwise.
7. dental ratchet spanner according to claim 6, it is characterised in that the ratchet head is circumferentially with a plurality of cards
Groove, the inner core is provided with the snap fit being coupled with the neck, and the inner core is provided with stop surface, the stop surface and the fixation
Elastic component is provided between nut, the commutation head is pulled so that it drives the inner core relative to the sleeve to away from the spine
The direction rectilinear movement of wheel head, the inner core is disengaged with the ratchet head, and then rotating the commutation head makes it drive inner core phase
Rotate 180 degree for sleeve, unclamp the commutation head, the inner core in the presence of the elastic component relative to the sleeve to
Moved close to the direction of the ratchet head, until the inner core reaches the second place being coupled with the ratchet head.
8. dental ratchet spanner according to claim 7, it is characterised in that the elastic component is stage clip, and the bullet
Property part is sheathed on the inner core.
9. dental ratchet spanner according to claim 6, it is characterised in that the fixing nut is provided with external screw thread,
The sleeve is provided with the internal thread coordinated with the external screw thread.
10. dental ratchet spanner according to claim 6, it is characterised in that the commutation head is welded in the inner core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720068253.1U CN206475104U (en) | 2017-01-19 | 2017-01-19 | Dental ratchet spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720068253.1U CN206475104U (en) | 2017-01-19 | 2017-01-19 | Dental ratchet spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206475104U true CN206475104U (en) | 2017-09-08 |
Family
ID=59753997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720068253.1U Active CN206475104U (en) | 2017-01-19 | 2017-01-19 | Dental ratchet spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206475104U (en) |
-
2017
- 2017-01-19 CN CN201720068253.1U patent/CN206475104U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |