CN220237046U - Pressing shaft - Google Patents
Pressing shaft Download PDFInfo
- Publication number
- CN220237046U CN220237046U CN202321434011.1U CN202321434011U CN220237046U CN 220237046 U CN220237046 U CN 220237046U CN 202321434011 U CN202321434011 U CN 202321434011U CN 220237046 U CN220237046 U CN 220237046U
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- CN
- China
- Prior art keywords
- fixed
- fixedly connected
- shell
- pressing shaft
- block
- 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.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000004283 incisor Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model relates to the technical field of pressing shafts and discloses a pressing shaft, which comprises a shell, wherein a needle is movably connected inside the shell, a fixed cavity is formed inside the shell, a fixed positioning sleeve rod is fixedly connected inside the shell, a stress spring is fixedly connected at one end of the inner side of the fixed cavity, and a connecting mounting lantern ring is fixedly connected at the other end of the stress spring; according to the utility model, the stress spring, the connecting mounting lantern ring, the connecting clamping limiting mechanism, the fixed limiting ring and the fixed groove are arranged, so that the stress spring can conveniently push the connecting mounting lantern ring to drive the connecting clamping limiting mechanism to move, and meanwhile, the connecting clamping limiting mechanism can be matched with the fixed limiting ring to limit and fix the fixed groove, thereby being capable of connecting and fixing the needle and the shell, being stable in connection, improving the stability in the use process, preventing shaking, and being convenient and quick to install.
Description
Technical Field
The utility model relates to the technical field of pressing shafts, in particular to a pressing shaft.
Background
Tooth washing, filling and grinding are more and more common in our daily life, people make up different defects of teeth by the mode, the cosmetic and repair of the teeth are met, one of the most common dental instruments in dentistry institutions is a dental handpiece, the most common types of dental handpieces are a slow handpiece and a high-speed handpiece, the slow handpiece is mainly used for cleaning and polishing the teeth, the high-speed handpiece is clinically used for grinding incisor teeth, and the rotating speed of a needle on a handpiece of the slow handpiece or the high-speed handpiece is very high, no matter what dental handpiece is, wherein the needle is fixed by pressing through a pressing shaft.
The existing pressing shaft is easy to loosen due to long-time use vibration in the use process, and further easy to shake in the use process, so that the inside of a cavity of a patient is easy to be damaged under the condition of rotation, and therefore, the pressing shaft is provided.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a pressing shaft to solve the above-mentioned problems of the prior art.
The utility model provides the following technical scheme: the pressing shaft comprises a shell, wherein a needle is movably connected inside the shell, a fixed cavity is formed inside the shell, a fixed positioning sleeve rod is fixedly connected inside the shell, a stress spring is fixedly connected to one end of the inner side of the fixed cavity, a connecting mounting lantern ring is fixedly connected to the other end of the stress spring, a connecting clamping limiting mechanism is fixedly connected to the other side of the connecting mounting lantern ring, and a fixed limiting ring is fixedly connected to the inner wall of the fixed cavity;
further, the surface fixedly connected with of connection installation lantern ring is connected with and is stirred the piece, fixed guide slot has been seted up on the surface of shell.
Further, the connection clamping limiting mechanism comprises a connection limiting frame, the inside of the connection limiting frame is movably connected with a movable mounting block, and the surface of the movable mounting block is fixedly connected with a connection clamping block.
Further, the surface of one end of the connecting clamping block is mutually attached to the surface of the fixed limiting ring, and the inclined surfaces are formed in one end of the connecting clamping block and the surface of the fixed limiting ring.
Further, the other end of the connecting clamping block is fixedly connected with a connecting guide plate.
Further, the surface of the connecting guide plate is mutually attached to the end surface of the fixed positioning sleeve rod.
Further, the fixed groove is formed in the surface of the needle, and the other end surfaces of the connecting clamping block and the connecting guide plate are mutually attached to the inner side surface of the fixed groove.
The utility model has the technical effects and advantages that:
1. according to the utility model, the stress spring, the connecting mounting lantern ring, the connecting clamping limiting mechanism, the fixed limiting ring and the fixed groove are arranged, so that the stress spring can conveniently push the connecting mounting lantern ring to drive the connecting clamping limiting mechanism to move, and meanwhile, the connecting clamping limiting mechanism can be matched with the fixed limiting ring to limit and fix the fixed groove, thereby being capable of connecting and fixing the needle and the shell, being stable in connection, improving the stability in the use process, preventing shaking, and being convenient and quick to install.
2. According to the utility model, the connecting poking block and the fixed guide groove are arranged, so that the connecting poking block can move on the inner side of the fixed guide groove, the whole shell can be quickly adjusted, the shell and the needle are connected and fixed, and the operation is convenient.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic cross-sectional view of the housing of the present utility model.
Fig. 3 is a schematic diagram of the overall internal structure of the present utility model.
Fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
The reference numerals are: 1. a housing; 2. turning a needle; 3. fixing and positioning the loop bar; 4. fixing the cavity; 5. a force spring; 6. connecting the mounting lantern ring; 7. connecting a clamping and limiting mechanism; 8. a fixing groove; 9. the stirring block is connected; 10. a fixed guide groove; 11. connecting a limit frame; 12. a movable mounting block; 13. connecting the clamping blocks; 14. connecting a guide plate; 15. and fixing the limiting ring.
Detailed Description
The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the utility model is not limited to the embodiments of the present utility model, but other embodiments of the present utility model will be apparent to those skilled in the art without making any inventive effort.
Referring to fig. 1-4, the utility model provides a pressing shaft, which comprises a shell 1, wherein a needle 2 is movably connected in the shell 1, a fixed cavity 4 is formed in the shell 1, a fixed positioning sleeve rod 3 is fixedly connected in the shell 1, a stress spring 5 is fixedly connected at one end of the inner side of the fixed cavity 4, a connecting mounting lantern ring 6 is fixedly connected at the other end of the stress spring 5, a connecting clamping limiting mechanism 7 is fixedly connected at the other side of the connecting mounting lantern ring 6, and a fixed limiting ring 15 is fixedly connected with the inner wall of the fixed cavity 4;
wherein, the surface fixedly connected with of connecting installation lantern ring 6 is connected with and is stirred piece 9, and fixed guide slot 10 has been seted up on the surface of shell 1.
Wherein, connect centre gripping stop gear 7 including connecting spacing frame 11, the inside swing joint who connects spacing frame 11 has movable mounting block 12, and movable mounting block 12's fixed surface is connected with and connects grip block 13, is convenient for connect between grip block 13 and the fixed spacing ring 15 mutually support and make connect grip block 13 remove, drive movable mounting block 12 and remove in the inboard of connecting spacing frame 11 to can carry out the centre gripping restriction to car needle 2 fixedly, convenient operation.
Wherein, connect the one end surface of grip block 13 and the surface of fixed spacing ring 15 laminating each other, the inclined plane has all been seted up to the one end of connection grip block 13 and the surface of fixed spacing ring 15, and the tip of being convenient for connect grip block 13 can make connect grip block 13 carry out lateral movement when laminating each other with fixed spacing ring 15.
The other end of the connecting clamping block 13 is fixedly connected with the connecting guide plate 14, so that the connecting guide plate 14 can be matched with the end part of the fixed positioning sleeve rod 3, and the connecting guide plate can reset automatically.
Wherein, the surface of connecting deflector 14 and the tip surface of fixed location loop bar 3 laminating each other, the surface of being convenient for connecting deflector 14 can reset by oneself when the tip of fixed location loop bar 3 removes, convenient operation.
Wherein, fixed recess 8 has been seted up on the surface of car needle 2, and the other end surface of connecting grip block 13 and connecting deflector 14 all laminates each other with fixed recess 8's inboard surface, and the inboard of fixed recess 8 can be blocked into to the tip of being convenient for connecting grip block 13 and connecting deflector 14, restricts fixedly to the position of car needle 2, convenient operation.
The working principle of the utility model is as follows: in the in-process of using, will connect and stir piece 9 and remove for connect and stir piece 9 and remove in the inboard of fixed guide slot 10, drive simultaneously and connect the installation lantern ring 6 and remove, cause the compression to atress spring 5, thereby drive and connect clamping stop mechanism 7 wholly remove, the surface of connecting deflector 14 can remove each other with the tip of fixed location loop bar 3 simultaneously, make connect clamping block 13 and movable mounting piece 12 can transversely remove, then insert the inside of shell 1 and fixed location loop bar 3 with the car needle 2, loosen and connect and stir piece 9, can drive under the effect of atress spring 5 and connect installation lantern ring 6 and connect clamping stop mechanism 7 wholly and remove, make the tip of connecting clamping block 13 and the surface interaction of fixed limiting ring 15, make connect clamping block 13 and movable mounting piece 12 can transversely remove, make the tip of connecting deflector 14 can block 13 and connect the inboard of clamping groove 8, thereby can restrict fixedly to the position of car needle 2, convenient operation.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A pressing shaft comprising a housing (1), characterized in that: the novel bicycle is characterized in that the needle (2) is movably connected to the inside of the shell (1), the fixed cavity (4) is formed in the shell (1), the fixed positioning loop bar (3) is fixedly connected to the inside of the shell (1), the stress spring (5) is fixedly connected to one end of the inner side of the fixed cavity (4), the mounting lantern ring (6) is fixedly connected to the other end of the stress spring (5), the clamping limiting mechanism (7) is connected to the other side of the mounting lantern ring (6), and the fixed limiting ring (15) is fixedly connected to the inner wall of the fixed cavity (4).
2. A pressing shaft according to claim 1, wherein: the surface of the connecting mounting lantern ring (6) is fixedly connected with a connecting poking block (9), and a fixing guide groove (10) is formed in the surface of the shell (1).
3. A pressing shaft according to claim 1, wherein: the connecting clamping limiting mechanism (7) comprises a connecting limiting frame (11), a movable mounting block (12) is movably connected inside the connecting limiting frame (11), and a connecting clamping block (13) is fixedly connected to the surface of the movable mounting block (12).
4. A pressing shaft according to claim 3, wherein: one end surface of the connecting clamping block (13) is mutually attached to the surface of the fixed limiting ring (15), and inclined surfaces are formed in one end of the connecting clamping block (13) and the surface of the fixed limiting ring (15).
5. A pressing shaft according to claim 3, wherein: the other end of the connecting clamping block (13) is fixedly connected with a connecting guide plate (14).
6. A pressing shaft according to claim 5, wherein: the surface of the connecting guide plate (14) is mutually attached to the end surface of the fixed positioning sleeve rod (3).
7. A pressing shaft according to claim 5, wherein: the surface of car needle (2) has seted up fixed recess (8), the other end surface of connecting grip block (13) and connection deflector (14) all laminates each other with the inboard surface of fixed recess (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321434011.1U CN220237046U (en) | 2023-06-06 | 2023-06-06 | Pressing shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321434011.1U CN220237046U (en) | 2023-06-06 | 2023-06-06 | Pressing shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220237046U true CN220237046U (en) | 2023-12-26 |
Family
ID=89263508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321434011.1U Active CN220237046U (en) | 2023-06-06 | 2023-06-06 | Pressing shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220237046U (en) |
-
2023
- 2023-06-06 CN CN202321434011.1U patent/CN220237046U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |