CN204293282U - A kind of torque spanner - Google Patents
A kind of torque spanner Download PDFInfo
- Publication number
- CN204293282U CN204293282U CN201420694367.3U CN201420694367U CN204293282U CN 204293282 U CN204293282 U CN 204293282U CN 201420694367 U CN201420694367 U CN 201420694367U CN 204293282 U CN204293282 U CN 204293282U
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- China
- Prior art keywords
- shift fork
- inner chamber
- torque spanner
- rotary sleeve
- gear
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Abstract
The utility model proposes a kind of torque spanner, comprise the head, adapter sleeve and the rotary sleeve that connect successively, be provided with the first inner chamber in head, be provided with power transmission shaft in the first inner chamber, head front end is provided with the mandrel be connected with power transmission shaft one end gear, the second inner chamber is provided with in adapter sleeve, the first shift fork is provided with in second inner chamber, first shift fork one end is connected with power transmission shaft other end gear, rotary sleeve is flexibly connected with adapter sleeve, the 3rd inner chamber is provided with in rotary sleeve, the second shift fork connected successively is provided with in 3rd inner chamber, adjustable plate, first spring and stud, second shift fork one end is connected with the first shift fork other end, the end face of the second shift fork other end is provided with the first ball hole, adjustable plate one end is provided with the second ball hole coordinated with the first ball hole, ball is provided with between first ball hole and the second ball hole, adjustable plate side is provided with stopper slot, rotary sleeve is provided with the spacer pin coordinated with stopper slot.The utility model can be increased work efficiency, and avoids the adverse consequences caused in art simultaneously.
Description
Technical field
The utility model relates to medical instruments field, refers to a kind of torque spanner especially.
Background technology
Along with the development of medical technology, the existing torque spanner for dental repairs in oral cavity, carries out lateral operation by torque spanner to plant root of the tooth nail, particularly in the space that oral cavity is so little, because needs ceaselessly swing back and forth torque spanner, the doctor of operation there will be the situations such as tired, easily occurs that torque spanner collides oral cavity wall, also easily makes root of the tooth follow closely and occurs dislocation etc., thus cause root of the tooth nail to install stable not, thus have influence on the result of use of repairing tooth.Existing another kind of torque spanner is the rotation with driven by motor torque spanner, although can avoid like this occurring operation fatigue, and well can not control the planting depth of root of the tooth nail, root of the tooth nail has been beaten dark can cause human injury, beat shallow just built on the sand, also can have influence on the effect of repairing tooth.
Utility model content
The utility model proposes a kind of torque spanner, solve torque spanner in prior art and can have influence on the problem of repairing tooth result of use after repairing tooth.
The technical solution of the utility model is achieved in that
A kind of torque spanner, comprise the head, adapter sleeve and the rotary sleeve that connect successively, be provided with the first inner chamber in described head, be provided with power transmission shaft in described first inner chamber, described head front end is provided with the mandrel be connected with described power transmission shaft one end gear, the second inner chamber is provided with in described adapter sleeve, the first shift fork is provided with in described second inner chamber, described first shift fork one end is connected with described power transmission shaft other end gear, described rotary sleeve is flexibly connected with described adapter sleeve, the 3rd inner chamber is provided with in described rotary sleeve, the second shift fork connected successively is provided with in described 3rd inner chamber, adjustable plate, first spring and stud, described second shift fork one end is connected with the described first shift fork other end, the end face of the described second shift fork other end is provided with the first ball hole, described adjustable plate one end is provided with the second ball hole coordinated with described first ball hole, ball is provided with between described first ball hole and described second ball hole, described adjustable plate side is provided with stopper slot, described rotary sleeve is provided with the spacer pin coordinated with described stopper slot.
Further, described rotary sleeve one end is inserted in described second inner chamber, is provided with mounting groove in described second inner chamber, is provided with the bullet card for being fixed on described rotary sleeve one end in described mounting groove.
Further, described rotary sleeve rear end is provided with gland.
Further, inner hexagonal hole is provided with in the middle of described stud.
Further, described head is connected with described adapter sleeve by elbow.
Further, the two ends of described mandrel are all provided with the first oiliness bearing, and described mandrel lower end is provided with the first gear.
Further, described mandrel upper end is provided with the steel bushing, push nut, the second spring and the pressing gland that connect successively.
Further, described power transmission shaft comprises interior axle and is sheathed on the axle sleeve on described interior axle.
Further, described interior axle two ends are all provided with the second gear and the second oiliness bearing, and described mandrel outer wall is provided with the teeth coordinated with described second gear.
Further, described first shift fork one end is provided with the 3rd gear be connected with described second gear.
Enforcement the beneficial effects of the utility model have:
The utility model manually rotates rotary sleeve to realize the plantation of root of the tooth nail, and both can avoid manually pulling back and forth and follow closely with motor plantation root of the tooth the adverse consequences caused, meanwhile, the technical solution of the utility model is simple to operate, ensure that the procedure efficiency of tooth-implanting.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the planar structure schematic diagram of a kind of torque spanner of the utility model embodiment;
Fig. 2 is A-A structure for amplifying schematic diagram in Fig. 1;
Fig. 3 is B-B structure for amplifying schematic diagram in Fig. 1;
Fig. 4 is the planar structure schematic diagram of a kind of another embodiment of torque spanner of the utility model;
Figure number and explanation thereof:
1, the first oiliness bearing; 2, the first gear; 3, mandrel; 4, steel bushing; 5, push nut; 6, gland is pressed; 7, the second spring; 8, bonnet is pressed; 9, the second gear; 10, the first steady pin; 11, the second oiliness bearing; 12, axle sleeve; 13, head; 14, interior axle; 15, interstage sleeve; 16, copper sheathing is located; 17, elbow; 18, the second steady pin; 19, the 3rd gear; 20, the 3rd oiliness bearing; 21, adapter sleeve; 22, the first shift fork; 23, bullet card; 24, packing ring; 25, the second shift fork; 26, rotary sleeve; 27, adjustable plate; 28, the first spring; 29, stud; 30, gland; 31, ball; 32, root of the tooth nail; 33, stopper slot; 34, spacer pin.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to figs. 1 through Fig. 4, a kind of torque spanner that the utility model provides, comprises the head 13, adapter sleeve 21 and the rotary sleeve 26 that connect successively, is provided with the first inner chamber in head 13, be provided with power transmission shaft in first inner chamber, head 13 front end is provided with the mandrel 3 be connected with power transmission shaft one end gear, the second inner chamber is provided with in adapter sleeve 21, the first shift fork 22 is provided with in second inner chamber, first shift fork 22 one end is connected with power transmission shaft other end gear, rotary sleeve 26 is flexibly connected with adapter sleeve 21, the 3rd inner chamber is provided with in rotary sleeve 26, the second shift fork 25 connected successively is provided with in 3rd inner chamber, adjustable plate 27, first spring 28 and stud 29, second shift fork 25 one end is connected with first shift fork 22 other end, the end face of second shift fork 25 other end is provided with the first ball hole, adjustable plate 27 one end is provided with the second ball hole coordinated with the first ball hole, ball 31 is provided with between first ball hole and the second ball hole, the degree of depth of the first ball hole is 1:5 with the ratio of the degree of depth of the second ball hole, certainly, different depth ratios can be designed to according to the torque requiremnt of reality.Adjustable plate 27 side is provided with stopper slot 33, and rotary sleeve is provided with the spacer pin 34 coordinated with stopper slot 33.Stopper slot 33 is straight-line groove, and spacer pin 34 can slide according to situation about using and reach result of use in stopper slot 33.Second shift fork 25 and rotary sleeve 26 are provided with packing ring 24 between one end of adapter sleeve 21, can be reduced both frictions by packing ring 24, improve service life.In use, root of the tooth nail 32 is plugged in the middle of mandrel 3.The technical program is adopted and is manually planted, only need rotate rotary sleeve 26 namely root of the tooth follow closely 32 kinds and plant, the effect of safety and stability can be reached like this.
The operation principle of the technical program and process: by regulating the torsion of rotary sleeve 26, carry out rotary sleeve 26 rotating operation, and rotary sleeve 26 drives the rotation successively of the first shift fork 22, power transmission shaft and mandrel 3 to drive root of the tooth to follow closely the plantation of 32.When torsion is excessive, ball 31 will skid, and can prevent the excessive injury causing root of the tooth to follow closely 32 pairs of oral cavities of torsion like this.
Rotary sleeve 26 one end is inserted in the second inner chamber, is provided with mounting groove in the second inner chamber, is provided with the bullet card 23 for being fixed on rotary sleeve 26 one end in mounting groove.Bullet card is elastic collar, facilitates rotary sleeve 26 to be stuck on mounting groove.Mutually being rotatably connected of such design can optimize the structure of torque spanner, also can prevent the place of being rotatably connected from exposing and easily be destroyed.
Rotary sleeve 26 rear end is provided with gland 30.Can ensure that the components and parts in the 3rd chamber are not interfered by bonnet 30, ensure the accuracy of torque value.
Inner hexagonal hole is provided with in the middle of stud 29.Stud 29 is connected with the 3rd thread in inner cavity; stud 29 can be driven to move forward and backward the torsion regulating torque spanner by inner hexagonal hole; concrete different numerical value has regulated the rotary sleeve 26 setting different torsion at torque spanner finished product, can carry out convenient replacing rotary sleeve 26 in operation according to the size of torsion needed for protection gum.
Head 13 is connected with adapter sleeve 21 by elbow 16.The outer wall of head 13 and elbow 16 junction is arranged with interstage sleeve 15, head 13 and adapter sleeve 21 can be made to have a bending angle by elbow 16, facilitate the operation of doctor when performing the operation like this, the angle at bending angle and can require to set according to the use habit of different doctor, dust can be avoided to enter in torque spanner by interstage sleeve 15, the bonding strength of head 13 and adapter sleeve 21 can also be increased further, improve the service life of torque spanner.
The two ends of mandrel 3 are all provided with the first oiliness bearing 1, and mandrel 3 lower end is provided with the first gear 2.Service life and the stability of mandrel 3 can be increased by the first oiliness bearing 3 and the first gear 2.
Mandrel 3 upper end is provided with the steel bushing 4, push nut 5, second spring 7 and the pressing gland 6 that connect successively.Pressing gland 6 is fixed by pressing bonnet 8, can be ensured the normal work of mandrel 3 by steel bushing 4, push nut 5, second spring 7, pressing gland 6 and pressing bonnet 8.
The axle sleeve 12 that power transmission shaft comprises interior axle 14 and is sheathed on interior axle 14, axle sleeve 12 is arranged with the location copper sheathing 16 be threaded in the first inner chamber, location copper sheathing 16 is for the location by axle sleeve 12, and axle sleeve 12 does not rotate in the course of the work, and in only needing, axle 14 rotates the transmission that can complete torsion.
Interior axle 14 two ends are all provided with the second gear 9 and the second oiliness bearing 11, and mandrel 3 outer wall is provided with the teeth coordinated with the second gear 9.Second gear 9 is fixed on interior axle 14 by the first steady pin 10, can realize Nei Zhou14Dai moving mandrel 3 rotate by teeth and the second gear 9, can be increased service life and the stability of interior axle 14 by the second oiliness bearing 11.
First shift fork 22 one end is provided with the 3rd gear 19 be connected with the second gear 9, can realize the first shift fork 22 like this and drive interior axle 14 to rotate.First shift fork 22 one end is also provided with the 3rd oiliness bearing 20,3rd gear 19 is fixed on the first shift fork 22 by the second steady pin 18, first shift fork 22 other end is provided with shift fork opening, second shift fork 25 is plugged on shift fork opening, can realize the rotation that the second shift fork 25 drives the first shift fork 22 like this.
In sum, the utility model manually rotates rotary sleeve to realize the plantation of root of the tooth nail, both can avoid manually pulling back and forth and follow closely with motor plantation root of the tooth the adverse consequences caused, simultaneously, the technical solution of the utility model is simple to operate, ensure that the procedure efficiency of tooth-implanting.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a torque spanner, comprises the head, adapter sleeve and the rotary sleeve that connect successively, is provided with the first inner chamber in described head, is provided with power transmission shaft in described first inner chamber, and described head front end is provided with the mandrel be connected with described power transmission shaft one end gear, the second inner chamber is provided with in described adapter sleeve, the first shift fork is provided with in described second inner chamber, described first shift fork one end is connected with described power transmission shaft other end gear, it is characterized in that, described rotary sleeve is flexibly connected with described adapter sleeve, the 3rd inner chamber is provided with in described rotary sleeve, the second shift fork connected successively is provided with in described 3rd inner chamber, adjustable plate, first spring and stud, described second shift fork one end is connected with the described first shift fork other end, the end face of the described second shift fork other end is provided with the first ball hole, described adjustable plate one end is provided with the second ball hole coordinated with described first ball hole, ball is provided with between described first ball hole and described second ball hole, described adjustable plate side is provided with stopper slot, described rotary sleeve is provided with the spacer pin coordinated with described stopper slot.
2. torque spanner according to claim 1, is characterized in that, described rotary sleeve one end is inserted in described second inner chamber, is provided with mounting groove in described second inner chamber, is provided with the bullet card for being fixed on described rotary sleeve one end in described mounting groove.
3. torque spanner according to claim 1, is characterized in that, described rotary sleeve rear end is provided with gland.
4. torque spanner according to claim 1, is characterized in that, is provided with inner hexagonal hole in the middle of described stud.
5. torque spanner according to claim 1, is characterized in that, described head is connected with described adapter sleeve by elbow.
6. torque spanner according to claim 1, is characterized in that, the two ends of described mandrel are all provided with the first oiliness bearing, and described mandrel lower end is provided with the first gear.
7. torque spanner according to claim 6, is characterized in that, described mandrel upper end is provided with the steel bushing, push nut, the second spring and the pressing gland that connect successively.
8. torque spanner according to claim 1, is characterized in that, described power transmission shaft comprises interior axle and is sheathed on the axle sleeve on described interior axle.
9. torque spanner according to claim 8, is characterized in that, described interior axle two ends are all provided with the second gear and the second oiliness bearing, and described mandrel outer wall is provided with the teeth coordinated with described second gear.
10. torque spanner according to claim 9, is characterized in that, described first shift fork one end is provided with the 3rd gear be connected with described second gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694367.3U CN204293282U (en) | 2014-11-18 | 2014-11-18 | A kind of torque spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694367.3U CN204293282U (en) | 2014-11-18 | 2014-11-18 | A kind of torque spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204293282U true CN204293282U (en) | 2015-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420694367.3U Active CN204293282U (en) | 2014-11-18 | 2014-11-18 | A kind of torque spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204293282U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013560A (en) * | 2017-05-27 | 2017-08-04 | 佛山市彤鑫医疗器材股份有限公司 | A kind of combined bearing and apply its dental handpiece |
| CN111544140A (en) * | 2020-05-29 | 2020-08-18 | 西安交通大学口腔医院 | Implant leading-in actual measurement fixed point device |
| CN112720318A (en) * | 2020-12-24 | 2021-04-30 | 上海伍健医疗器械有限公司 | Angle type adjustable torque wrench |
-
2014
- 2014-11-18 CN CN201420694367.3U patent/CN204293282U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013560A (en) * | 2017-05-27 | 2017-08-04 | 佛山市彤鑫医疗器材股份有限公司 | A kind of combined bearing and apply its dental handpiece |
| CN107013560B (en) * | 2017-05-27 | 2024-01-12 | 佛山市彤鑫医疗器材股份有限公司 | Combined bearing and dental handpiece using same |
| CN111544140A (en) * | 2020-05-29 | 2020-08-18 | 西安交通大学口腔医院 | Implant leading-in actual measurement fixed point device |
| CN111544140B (en) * | 2020-05-29 | 2021-10-01 | 西安交通大学口腔医院 | Implant leading-in actual measurement fixed point device |
| CN112720318A (en) * | 2020-12-24 | 2021-04-30 | 上海伍健医疗器械有限公司 | Angle type adjustable torque wrench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Torque wrench Effective date of registration: 20170816 Granted publication date: 20150429 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd Pledgor: FOSHAN TOSI MEDICAL EQUIPMENT CO., LTD. Registration number: 2017990000757 |