CN203208134U - High-speed turbine dental handpiece bur main shaft - Google Patents
High-speed turbine dental handpiece bur main shaft Download PDFInfo
- Publication number
- CN203208134U CN203208134U CN 201320213286 CN201320213286U CN203208134U CN 203208134 U CN203208134 U CN 203208134U CN 201320213286 CN201320213286 CN 201320213286 CN 201320213286 U CN201320213286 U CN 201320213286U CN 203208134 U CN203208134 U CN 203208134U
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- sleeve
- hole
- dental handpiece
- speed turbine
- main shaft
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Abstract
The utility model discloses a high-speed turbine dental handpiece bur main shaft which comprises a rotating shaft, a limit block arranged at one end in the rotating shaft, and a clamping device arranged in the rotating shaft, wherein the rotating shaft and the clamping device are provided with communicated shaft holes, the clamping device comprises a sleeve shaft arranged below the limit block, a movable member arranged in the sleeve shaft, a clamping block connected with the movable member and a spring arranged below the movable member, a through hole is formed in the movable member, the clamping block is arranged in the through hole, the axial width of the through hole is more than that of the clamping block, a surface on which the clamping block is in contact with the sleeve shaft is an inclined plane, the radial width of the bottom end of the clamping block is more than that of the upper end of the clamping block, and a surface on which the sleeve shaft is in contact with the clamping block is an inclined plane. The high-speed turbine dental handpiece bur main shaft disclosed by the utility model has the characteristics of simple structure, convenience in processing, high production qualified rate, and low production cost.
Description
Technical field
This utility model belongs to a kind of dental handpiece car pin clamping device, especially relates to a kind of high speed turbine dental handpiece car pin main shaft.
Background technology
At present, all to exist difficulty of processing big for a lot of dental handpiece car pin clamping devices on the market, the shortcoming that production efficiency is low.Be 200920156699.5 such as the patent No., patent name is for needing movable part and needle holder are heat-treated in " a kind of pressing type high speed turbine dental handpiece ", and it is big to exist difficulty of processing, stuck situation appears for fear of the car pin, so to its requirement on machining accuracy height, the quality instability, thus caused production efficiency low, the shortcoming that qualification rate is low.
The utility model content
It is a kind of simple in structure, easy to process that the purpose of this utility model is to provide, production qualification rate height, the high speed turbine dental handpiece car pin main shaft that production cost is low.
According to an aspect of the present utility model, a kind of high speed turbine dental handpiece car pin main shaft is provided, comprise rotating shaft, be located at the limited block of an end in the rotating shaft and be located at the interior clamping device of rotating shaft, rotating shaft is provided with the axis hole clamping device that is communicated with clamping device and comprises the sleeve of being located at the limited block below, be located at the movable part in the sleeve, the clamp that is connected with movable part and the spring of being located at the movable part below, movable part is provided with through hole, clamp is located in the through hole, the axial width of through hole is greater than the axial width of clamp, contacted of clamp and sleeve are the inclined-plane, the bottom radial width of clamp is greater than the upper end radial width, and the face that sleeve contacts with clamp is the inclined-plane.Because clamp and sleeve are provided with the inclined-plane, thereby, change the relative position of clamp and sleeve by movable part, and then determine the tightness of high speed turbine dental handpiece car pin main shaft clamping car pin of the present utility model, difficulty of processing reduces greatly, easy to process, improved product qualification rate and reduce production costs.
In some embodiments, movable part comprises the press section and is located at the support portion of below, press section that the aperture of press section is less than the aperture of support portion.Thereby, define the position of car pin in high speed turbine dental handpiece car pin main shaft of the present utility model.
In some embodiments, through hole is located on the support portion, and through hole can be two, and clamp is relative with through hole to should be two.Be provided with two clamps and make that the clamping of car pin is firm, and the processing capacity minimizing, difficulty of processing reduces, and the corresponding setting with through hole of clamp makes movable part can drive the clamp activity.
In some embodiments, match with limited block in the press section, matches with sleeve in the support portion.Make that high speed turbine dental handpiece car pin main axle structure of the present utility model is simple.
In some embodiments, the rotating shaft inboard is provided with sleeve screens and spring screens, and the sleeve bottom is located in the sleeve screens, and the spring bottom is located in the spring screens.Thereby, make things convenient for the location of sleeve and spring.
In some embodiments, the bottom of movable part is lower than the sleeve screens.Therefore, guaranteed that spring can act on mutually with movable part.
Description of drawings
Fig. 1 is the structural representation of high speed turbine dental handpiece car pin main shaft of the present utility model;
Fig. 2 is an embodiment structural representation of high speed turbine dental handpiece car pin main shaft of the present utility model;
Fig. 3 is the decomposing schematic representation of high speed turbine dental handpiece car pin main shaft of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is described in further detail.
Referring to figs. 1 through Fig. 3: high speed turbine dental handpiece car pin main shaft, comprise rotating shaft 1, be located at the limited block 2 of an end in the rotating shaft 1 and be located at clamping device 3 in the rotating shaft 1, rotating shaft 1 is provided with the axis hole 4 that is communicated with clamping device 3, car pin 5 install and axis hole 4 in.Limited block 2 is the external screw thread cored screw, and rotating shaft 1 is processed with screw thread with limited block 2 junctions, and rotating shaft 1 and limited block 2 are connected by screw thread.
Clamping device 3 comprises the sleeve 31 of being located at limited block 2 belows, be located at movable part 32, the clamp 33 that is connected with movable part 32 in the sleeve 31 and be located at the spring 34 of movable part 32 belows, movable part 32 is provided with through hole 35, clamp 33 is located in the through hole 35, the axial width of through hole 35 is greater than the axial width of clamp 33, clamp 33 is the inclined-plane with 31 contacted of sleeves, the bottom radial width of clamp 33 is greater than the upper end radial width, and the face that sleeve 31 contacts with clamp 33 is the inclined-plane.
Match with limited block 2 in press section 321, press section 321 is located in the external screw thread cored screw, matches with sleeve 31 in support portion 322.
Rotating shaft 1 inboard is provided with sleeve screens 11 and spring screens 12, and sleeve 32 bottoms are located in the sleeve screens 11, and spring 34 bottoms are located in the spring screens 12.The bottom of movable part 32 is lower than sleeve screens 11.
When high speed turbine dental handpiece car pin main shaft of the present utility model is worked, external force acts on press section 321, press section 321 is pressed, driving whole movable part 32 moves downward, movable part 32 makes that downwards spring 34 is compressed, and the clamp 33 that movable part 32 drives in the through hole 35 moves downward, and inclined-plane, clamp 33 outside moves downward along the inclined-plane of sleeve 31, radial distance between two clamps 33 increases, and car pin 5 can take out or insert in axis hole 4.
After in car pin 5 inserts axis holes 4, external force is cancelled, spring 34 bounce-backs, and spring 34 acts on the movable part 32, and movable part 32 moves upward, and then drive clamp 33 moves upward, and the radial distance that two clamps are 33 is less, makes the car pin be in clamped condition.
Above-described only is preferred implementation of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from this utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. high speed turbine dental handpiece car pin main shaft, it is characterized in that, comprise rotating shaft (1), be located at the limited block (2) of an end in the rotating shaft (1) and be located at the interior clamping device (3) of rotating shaft (1), described rotating shaft (1) is provided with the axis hole (4) that is communicated with clamping device (3), described clamping device (3) comprises the sleeve (31) of being located at limited block (2) below, be located at the movable part (32) in the sleeve (31), the clamp (33) that is connected with movable part (32) and be located at the spring (34) of movable part (32) below, described movable part (32) is provided with through hole (35), described clamp (33) is located in the through hole (35), the axial width of described through hole (35) is greater than the axial width of clamp (33), described clamp (33) is the inclined-plane with contacted of sleeve (31), the bottom radial width of described clamp (33) is greater than the upper end radial width, and the face that described sleeve (31) contacts with clamp (33) is the inclined-plane.
2. high speed turbine dental handpiece car pin main shaft according to claim 1, it is characterized in that, described movable part (32) comprises press section (321) and is located at the support portion (322) of below, press section (321) that the aperture of described press section (321) is less than the aperture of support portion (322).
3. high speed turbine dental handpiece car pin main shaft according to claim 2 is characterized in that, described through hole (35) is located on the support portion (322), and described through hole (35) is two, and described clamp (33) is relative with through hole (35) to should be two.
4. high speed turbine dental handpiece car pin main shaft according to claim 2 is characterized in that, match with limited block (2) described press section (321), and match with sleeve (31) described support portion (322).
5. high speed turbine dental handpiece car pin main shaft according to claim 1, it is characterized in that, described rotating shaft (1) inboard is provided with sleeve screens (11) and spring screens (12), described sleeve (31) bottom is located in the sleeve screens (11), and described spring (34) bottom is located in the spring screens (12).
6. high speed turbine dental handpiece car pin main shaft according to claim 5 is characterized in that the bottom of described movable part (32) is lower than sleeve screens (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320213286 CN203208134U (en) | 2013-04-24 | 2013-04-24 | High-speed turbine dental handpiece bur main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320213286 CN203208134U (en) | 2013-04-24 | 2013-04-24 | High-speed turbine dental handpiece bur main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203208134U true CN203208134U (en) | 2013-09-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320213286 Expired - Lifetime CN203208134U (en) | 2013-04-24 | 2013-04-24 | High-speed turbine dental handpiece bur main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203208134U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104706431A (en) * | 2015-03-30 | 2015-06-17 | 桂林市啄木鸟医疗器械有限公司 | Handpiece capable of automatically locking by pressing central spindle and central spindle for handpiece |
| CN105395260A (en) * | 2015-12-10 | 2016-03-16 | 佛山市德克医疗器械有限公司 | An assembly structure used for a push type dental high-speed turbine handpiece and a spindle assembly |
| CN105411687A (en) * | 2015-12-10 | 2016-03-23 | 佛山市德克医疗器械有限公司 | Press-type dental high speed turbine handpiece |
| CN105534611A (en) * | 2015-12-10 | 2016-05-04 | 佛山市德克医疗器械有限公司 | Mandrel assembly of handpiece core of high-speed dental handpiece provided with clamping head in reverse direction |
-
2013
- 2013-04-24 CN CN 201320213286 patent/CN203208134U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104706431A (en) * | 2015-03-30 | 2015-06-17 | 桂林市啄木鸟医疗器械有限公司 | Handpiece capable of automatically locking by pressing central spindle and central spindle for handpiece |
| CN105395260A (en) * | 2015-12-10 | 2016-03-16 | 佛山市德克医疗器械有限公司 | An assembly structure used for a push type dental high-speed turbine handpiece and a spindle assembly |
| CN105411687A (en) * | 2015-12-10 | 2016-03-23 | 佛山市德克医疗器械有限公司 | Press-type dental high speed turbine handpiece |
| CN105534611A (en) * | 2015-12-10 | 2016-05-04 | 佛山市德克医疗器械有限公司 | Mandrel assembly of handpiece core of high-speed dental handpiece provided with clamping head in reverse direction |
| CN105411687B (en) * | 2015-12-10 | 2018-07-24 | 佛山市德克医疗器械有限公司 | A kind of push type high speed dental turbo mobile phone |
| CN105395260B (en) * | 2015-12-10 | 2018-07-24 | 佛山市德克医疗器械有限公司 | Package assembly and mandrel component for push type high speed dental turbo mobile phone |
| CN105534611B (en) * | 2015-12-10 | 2018-10-16 | 佛山市德克医疗器械有限公司 | A kind of high speed handpiece movement mandrel component of anti-clamping head |
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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: 20160530 Address after: 528225 Guangdong Province Nanhai District of Foshan City Shishan North Road No. 9 Patentee after: BEING FOSHAN MEDICAL EQUIPMENT Co.,Ltd. Address before: 528225 Guangdong city of Foshan Province Wanda A District Science and Technology Industrial Zone, Nanhai District Town lion Road No. Patentee before: Zeng Wenbin |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161209 Address after: 528225 Guangdong Province Nanhai District of Foshan City Shishan North Road No. 9 (South Tower) on the third floor of A Patentee after: GUANGDONG XIEHE MEDICAL INDUSTRY CO.,LTD. Address before: 528225 Guangdong Province Nanhai District of Foshan City Shishan North Road No. 9 Patentee before: BEING FOSHAN MEDICAL EQUIPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |