CN206261682U - Reciprocating nose assembly - Google Patents
Reciprocating nose assembly Download PDFInfo
- Publication number
- CN206261682U CN206261682U CN201620984625.0U CN201620984625U CN206261682U CN 206261682 U CN206261682 U CN 206261682U CN 201620984625 U CN201620984625 U CN 201620984625U CN 206261682 U CN206261682 U CN 206261682U
- Authority
- CN
- China
- Prior art keywords
- reciprocating
- nose assembly
- chuck
- assemblies
- cartridge assemblies
- 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
Links
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a kind of reciprocating nose assembly, including head shell, cartridge assemblies and spindle assemblies.Cartridge assemblies are pivotally mounted in head shell, and spindle assemblies are installed in head shell, and it is provided with rotatable cam, the cam is provided with eccentric projection, cartridge assemblies are provided with draw-in groove, and loaded in draw-in groove, cam rotation is so that cartridge assemblies make reciprocating rotary movement to eccentric projection in head shell.Reciprocating nose assembly of the present utility model, its spindle assemblies can drive cartridge assemblies to make reciprocating rotary movement, also make reciprocating rotary movement loaded on the car pin in cartridge assemblies, thus using the reciprocating nose assembly the hand-held function of dentist be conveniently applied to oral cavity space it is limited when treatment operate.
Description
Technical field
The utility model belongs to dentist's hand-held set technical field, is related to the parts of dentist's hand-held set, more particularly to a kind of
Reciprocating nose assembly.
Background technology
The movement of the nose assembly of existing dentist's hand-held set is typically all 360 degree of rotary motions, and this dentist is hand-held
Machine is mainly used in polishing.When user is used in root canal, because oral cavity space is limited, this dentist's hand-held set is difficult behaviour
Make.Therefore, a kind of necessary reciprocating nose assembly of design, using dentist's hand-held set of this reciprocating nose assembly, its
Can apply to oral cavity space it is limited when treatment operation, be user-friendly to.
Utility model content
The purpose of this utility model is to provide a kind of reciprocating formula nose assembly, using this reciprocating formula nose assembly
Dentist's hand-held set, its can apply to void space it is limited when treatment operation.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of reciprocating nose assembly, bag
Head shell, cartridge assemblies and spindle assemblies are included, the cartridge assemblies are pivotally mounted in the head shell, the spindle assemblies
It is installed in the head shell, it is provided with rotatable cam, the cam is provided with eccentric projection, the cartridge assemblies are provided with
Draw-in groove, loaded in the draw-in groove, the cam rotation is so that the cartridge assemblies are in the head shell for the eccentric projection
Make reciprocating rotary movement.
Further, the cartridge assemblies include chuck fixed cover, chuck, spring and button, on the chuck fixed cover
The draw-in groove is provided with, loaded in the chuck fixed cover, the button is fixed on described the chuck Moveable-jacket by screw
One end of chuck, the spring is arranged between the button and the chuck fixed cover to be located, and the spring is pressed to described all the time
Button applies an elastic force.
Further, in draw-in groove insertion in the short transverse of the chuck fixed cover.
Further, the screw is slotted head screw.
Further, the spindle assemblies include main shaft, power transmission shaft, gear, and the main shaft is provided with through hole, the power transmission shaft
Rotatably it is set in the through hole, cam is fixed on one end of the power transmission shaft, the gear is fixed on the another of the power transmission shaft
One end.
Further, be respectively provided with a bearing at the two ends of the main shaft, the two ends of the power transmission shaft be set with
In two bearings.
Further, the eccentric projection is tapered.
The utility model beneficial effect：Reciprocating nose assembly of the present utility model, in the presence of external impetus, main shaft
Component can drive cartridge assemblies to make reciprocating rotary movement, also make reciprocating rotary movement loaded on the car pin in cartridge assemblies, therefore adopt
With the hand-held function of the dentist of the reciprocating nose assembly be conveniently applied to oral cavity space it is limited when treatment operate.
Brief description of the drawings
Fig. 1 is the front view of the reciprocating nose assembly of the utility model embodiment.
Fig. 2 is the sectional view of A-A in Fig. 1.
Structural representation when Fig. 3 is cartridge assemblies and spindle assemblies are detached in head shell.
Fig. 4 is the front view of cartridge assemblies.
Fig. 5 is the explosive view of cartridge assemblies.
Fig. 6 is the structural representation of spindle assemblies.
Structural representation when Fig. 7 is cartridge assemblies and spindle assemblies cooperation.
Description of reference numerals：
Head shell 1, cartridge assemblies 2, spindle assemblies 3；
Chuck fixed cover 21, chuck 22, rear end cap 23, spring 24, button 25, screw 26；
Main shaft 31, power transmission shaft 32, bearing 33, cam 34, gear 35, steady pin 36；
Eccentric projection 341.
Specific embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical scheme in the utility model embodiment is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of the utility model protection.
As shown in Figure 1, Figure 2 and Figure 3, a kind of reciprocating nose assembly of the present embodiment.The reciprocating nose assembly includes
Head shell 1, cartridge assemblies 2 and spindle assemblies 3, cartridge assemblies 2 are pivotally mounted in head shell 1, and spindle assemblies 3 are installed on machine
In head capsule 1.
Reference picture 4 and Fig. 5, cartridge assemblies 2 include chuck fixed cover 21, chuck 22, spring 24 and button 25.Chuck is fixed
Draw-in groove is machined with set 21, draw-in groove insertion in the short transverse of chuck fixed cover 21.The Moveable-jacket of chuck 22 is loaded on chuck
In fixed cover 21, button 25 is fixed on the upper end of chuck 22 by screw 26, and spring 24 is loaded on button 25 and chuck fixed cover 21
Between locate, spring 24 all the time to button 25 apply an elastic force.Cartridge assemblies 2 loaded in head shell 1, rear end cap 23 and head
The screw thread of shell 1 coordinates, and cartridge assemblies 2 are rotatably stuck in head shell 1, and button 23 stretches out from the endoporus of rear end cap 23.It is preferred that
Design, screw 26 is slotted head screw.
Reference picture 6, spindle assemblies 3 include main shaft 31, power transmission shaft 32, bearing 33, cam 34, gear 35.Add on main shaft 31
Work has through hole, through hole insertion on the length direction of main shaft 31.A bearing 33 is respectively provided with the two ends of main shaft 31, is driven
In through hole of the axle 32 loaded on main shaft 31, interference fit is set in two bearings 33 respectively at its two ends.The two ends of power transmission shaft 32 are equal
Mounting hole is machined with, mounting hole is also machined with cam 34, cam 34 is set in one end of power transmission shaft 32, will by steady pin 36
Cam 34 is fixed on one end of power transmission shaft 32；Mounting hole is machined with gear 35, gear 35 is set in the other end of power transmission shaft 32,
Gear 35 is fixed on the other end of power transmission shaft 32 by steady pin 36.Tapered eccentric projection 341 is machined with cam 34,
Eccentric projection 341 is installed in the draw-in groove of chuck fixed cover 21.
The operation principle of reciprocating nose assembly of the present utility model：Rotary motion is input into from gear 35, band moving cam 34
Rotate, the eccentric projection 341 on cam 34 drives cartridge assemblies 2 to make reciprocating rotary movement, wherein cartridge assemblies in head shell 1
234 are located in Fig. 7 when at A or at B respectively, and cartridge assemblies 2 are rotated at range.It is convex by changing according to needs are used
The eccentric throw of the eccentric projection 341 of wheel 34, can be designed as 50 °, 60 ° and 90 ° etc. by the rotational angle of cartridge assemblies 2.
Reciprocating nose assembly of the present utility model, its cartridge assemblies makees reciprocating rotary movement, loaded in cartridge assemblies
Car pin also makees reciprocating rotary movement, therefore the hand-held function of dentist using the reciprocating nose assembly is conveniently applied to oral cavity space
Root canal operation when limited.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of reciprocating nose assembly, it is characterised in that including head shell (1), cartridge assemblies (2) and spindle assemblies (3), institute
State cartridge assemblies (2) to be pivotally mounted in the head shell (1), the spindle assemblies (3) are installed on the head shell (1)
Interior, it is provided with rotatable cam (34), and the cam (34) is provided with eccentric projection (341), and the cartridge assemblies (2) are provided with
Draw-in groove, loaded in the draw-in groove, the cam (34) rotates so that the cartridge assemblies (2) exist the eccentric projection (341)
Make reciprocating rotary movement in the head shell (1).
2. a kind of reciprocating nose assembly according to claim 1, it is characterised in that the cartridge assemblies (2) include folder
Head fixed cover (21), chuck (22), spring (24) and button (25), the chuck fixed cover (21) are provided with the draw-in groove, institute
Chuck (22) Moveable-jacket is stated loaded in the chuck fixed cover (21), the button (25) is fixed on described by screw (26)
One end of chuck (22), the spring (24) is arranged between the button (25) and the chuck fixed cover (21) to be located, described
Spring (24) applies an elastic force to the button (25) all the time.
3. a kind of reciprocating nose assembly according to claim 2, it is characterised in that solid in the chuck in the draw-in groove
Insertion in the short transverse of fixed set (21).
4. a kind of reciprocating nose assembly according to claim 2, it is characterised in that the screw (26) is flat recess spiral shell
Nail.
5. a kind of reciprocating nose assembly according to claim 1, it is characterised in that the spindle assemblies (3) are including master
Axle (31), power transmission shaft (32), gear (35), the main shaft (31) are provided with through hole, and the power transmission shaft (32) is rotatably set in this
In through hole, cam (34) is fixed on one end of the power transmission shaft (32), and the gear (35) is fixed on the power transmission shaft (32)
The other end.
6. a kind of reciprocating nose assembly according to claim 5, it is characterised in that the two ends punishment of the main shaft (31)
Not Zhuan You a bearing (33), the two ends of the power transmission shaft (32) are set with two bearings (33).
7. a kind of reciprocating nose assembly according to claim 1, it is characterised in that the eccentric projection (341) is in cone
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620984625.0U CN206261682U (en) | 2016-08-29 | 2016-08-29 | Reciprocating nose assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620984625.0U CN206261682U (en) | 2016-08-29 | 2016-08-29 | Reciprocating nose assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206261682U true CN206261682U (en) | 2017-06-20 |
Family
ID=59037317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620984625.0U Expired - Fee Related CN206261682U (en) | 2016-08-29 | 2016-08-29 | Reciprocating nose assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206261682U (en) |
-
2016
- 2016-08-29 CN CN201620984625.0U patent/CN206261682U/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: 20170620 Termination date: 20200829 |