CN216754662U - Split type dental hand-operated torque wrench - Google Patents
Split type dental hand-operated torque wrench Download PDFInfo
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- CN216754662U CN216754662U CN202123198232.7U CN202123198232U CN216754662U CN 216754662 U CN216754662 U CN 216754662U CN 202123198232 U CN202123198232 U CN 202123198232U CN 216754662 U CN216754662 U CN 216754662U
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- seat
- steel ball
- pressure spring
- torsion
- spring
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Abstract
The utility model discloses a split type dental manual torque wrench. Relates to a dental instrument, in particular to a split type dental manual torque wrench. The torsion component comprises a torsion component inserted at the tail of the handle, the head of the handle is fixed, the torsion component comprises a torsion seat and an adjusting knob fixed at the tail of the torsion seat, the head of the torsion seat is connected with the handle in an inserting manner, a pressure spring is arranged in the torsion seat, one end of the pressure spring is fixed with the adjusting knob, the other end of the pressure spring abuts against the end of the torsion seat, when the adjusting knob rotates, the pressure spring compresses, and steel balls are arranged between the pressure spring and the torsion seat. The friction of the steel ball is far smaller than that of the rotating rod, so that an obvious force leakage reminding effect can be given when the device is used, and the device is more convenient to use.
Description
Technical Field
The utility model relates to a dental instrument, in particular to a split type dental manual torque wrench.
Background
At present, dentist often will use wrench mobile phone of wrench movement in the operation, and the planting nail torque wrench device that tradition used is through the rotatory tight planting nail of wrench lateral swing, and under the condition in oral cavity confined space, the operation spanner swing is very inconvenient, and it is very inconvenient to carry out the operation process for the doctor to operation time has been prolonged, operation safety efficiency remains to be improved.
Among the correlation technique, the torque value that spanner cell-phone adopted the horizontal rotatory knob to adjust different gears produces spring pressure to the loose axle, converts into the horizontal pressure to the chuck, and discovery not same gear rotation during the use feels unanimous, causes the maloperation easily during actual operation again.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides the split type dental manual torque wrench which is not easy to cause misoperation.
The utility model is realized by adopting the following technical scheme: the utility model provides a split type manual torque wrench of dentistry, is including pegging graft the torque assembly at the afterbody of handle, the fixed aircraft nose of head of handle, torque assembly is including turning round the seat and fixing the adjust knob who turns round the afterbody of seat, turn round the head of seat with the handle plug-in connection, turn round and be equipped with the pressure spring in the seat, the one end of pressure spring with adjust knob is fixed, the other end of pressure spring supports and pastes the tip of turning round the seat, works as adjust knob when rotating the pressure spring compresses, the pressure spring with turn round and be equipped with the steel ball between the seat.
Turn round and be equipped with in the seat and stretch out turn round the joint needle of seat, the handle cover be established on the joint needle and with joint needle fixed connection, the steel ball is located the joint needle is arranged in turn round one end in the seat with between the pressure spring and with the pressure spring is to pasting each other.
The novel electric wrench is characterized in that a rotating rod is arranged in the handle, the rotating rod is fixedly connected with the clamping needle, the wrench base is driven by the clamping needle to drive the rotating rod to rotate, and the rotating rod principle is used for fixing the head of the one end of the wrench base.
The clamping needle is arranged at one end in the torsion seat and is provided with a steel ball groove, the steel ball is arranged in the steel ball groove, the pressure spring and one end, abutted to the steel ball, of the steel ball are provided with a pressure seat, one end of the pressure seat is abutted to the pressure spring, and the other end of the pressure seat is abutted to the outer edge of the steel ball.
The pressing seat and one end of the steel ball abutting are provided with a limiting groove, the steel ball and one side of the pressing seat abutting are arranged in the limiting groove, one end of the pressing seat and one end of the pressure spring abutting are provided with a spring groove, a positioning column is arranged in the spring manipulator, and the pressure spring is sleeved on the positioning column and is arranged in the spring groove abutting against the bottom of the spring groove.
The dwang with the one end that the aircraft nose is connected is equipped with drive gear, the aircraft nose pass through drive gear with the dwang meshing is connected.
Compared with the prior art, the head of the torsion seat is connected with the handle in an inserting mode, the torsion seat is internally provided with the pressure spring, one end of the pressure spring is fixed with the adjusting knob, the other end of the pressure spring abuts against the end portion of the torsion seat, when the adjusting knob rotates, the pressure spring is compressed, and the steel balls are arranged between the pressure spring and the torsion seat. The middle inside the torsion seat is provided with a steel ball serving as a force release component, a steel ball groove is designed on the contact surface of the steel ball and the connecting shaft, a pressure spring part is arranged behind the steel ball, the gear adjustment is designed to be in a stepped tooth shape, and the compression amount of the spring is changed through different heights, so that the elastic force condition is increased or reduced, and the force release value is changed. The tail part is designed with an adjusting nut so as to adjust the elastic error caused by material difference. When the machine head is clamped and cannot rotate, the torsion seat rotates again, the steel ball is driven to rotate through the torsion seat, the rotating rod cannot be driven to rotate, and the friction of the steel ball per se is far smaller than that of the rotating rod, so that an obvious force leakage reminding can be given when the machine head is used, and the use is more convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first schematic structural view of a twist base and an adjusting knob according to the present invention;
FIG. 3 is a second schematic structural view of the torque base and the adjusting knob of the present invention;
in the figure: 1. a machine head; 2. adjusting a knob; 3. a handle; 4. a pressure spring; 5. steel balls; 6. rotating the rod; 7. a transmission gear; 8. a clamping pin; 9. pressing a base; 10. a positioning column; 11. a spring slot.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
As shown in fig. 1-3, a split type dental hand torque wrench comprises a torque assembly inserted at the tail of a handle, a head of the handle is fixed to a head of the handle, the torque assembly comprises a torsion seat and an adjusting knob fixed to the tail of the torsion seat, the head of the torsion seat is connected with the handle in an inserting mode, a pressure spring is arranged in the torsion seat, one end of the pressure spring is fixed to the adjusting knob, the other end of the pressure spring abuts against the end of the torsion seat, when the adjusting knob rotates, the pressure spring compresses, and a steel ball is arranged between the pressure spring and the torsion seat.
The middle inside the torsion seat is provided with a steel ball as a force release component, the contact surface of the steel ball and the connecting shaft is provided with a steel ball groove, the back of the steel ball is provided with a pressure spring part, the gear adjustment is designed into a stepped tooth shape, and the compression amount of the spring is changed through different heights so as to increase or reduce the elastic force condition and further change the force release value. The gear adjusting stepped tooth-shaped end is in contact with the spring fixing end through a small steel ball, so that friction force in the gear shifting process is reduced. The tail part is designed with an adjusting nut so as to adjust the elastic error caused by material difference.
Turn round and be equipped with in the seat and stretch out turn round the joint needle of seat, the handle cover be established on the joint needle and with joint needle fixed connection, the steel ball is located the joint needle is arranged in turn round one end in the seat with between the pressure spring and with the pressure spring is to pasting each other. Turn round the seat and be connected with the handle and adopt quick-connect formula bullet card scheme, quick joint and dismantlement are realized through the joint needle to internal plug-in structure, adjust the compression height of spring through the knob on the rotatory seat of turning round, and then increase or reduce the atress of the steel ball of turning round the seat front end, make the atress of pearl steel on different gears different, different with the pressure in transmission shaft terminal surface steel ball groove, when the shell revolving force is greater than spring compression force, take place to break away from the aversion in order to reach the exorcise condition through steel ball and steel ball groove.
The novel electric wrench is characterized in that a rotating rod is arranged in the handle, the rotating rod is fixedly connected with the clamping needle, the wrench base is driven by the clamping needle to drive the rotating rod to rotate, and the rotating rod principle is used for fixing the head of the one end of the wrench base. When the shell rotates, the clamping needle is driven to rotate through the steel balls, so that the driver finally drives the handpiece to rotate, and when the rotating force of the shell is greater than the spring force, the steel balls are separated from the steel ball grooves to move, so that the force release condition is achieved.
The clamping needle is arranged at one end in the torsion seat and is provided with a steel ball groove, the steel ball is arranged in the steel ball groove, the pressure spring and one end, abutted to the steel ball, of the steel ball are provided with a pressure seat, one end of the pressure seat is abutted to the pressure spring, and the other end of the pressure seat is abutted to the outer edge of the steel ball. The position of the steel ball is limited by the steel ball groove, when the steel ball rotates, the situation that the steel ball moves in situ in the steel ball groove is guaranteed not to occur, and the steel ball is prevented from being jammed.
The pressing seat and one end of the steel ball abutting are provided with a limiting groove, the steel ball and one side of the pressing seat abutting are arranged in the limiting groove, one end of the pressing seat and one end of the pressure spring abutting are provided with a spring groove, a positioning column is arranged in the spring manipulator, and the pressure spring is sleeved on the positioning column and is arranged in the spring groove abutting against the bottom of the spring groove. The limiting groove and the steel ball groove play the same role, and the limiting groove is matched with the steel ball groove
The dwang with the one end that the aircraft nose is connected is equipped with drive gear, the aircraft nose pass through drive gear with the dwang meshing is connected. The dwang is driven to rotate when turning round the seat and rotates, and the dwang provides the pivoted dynamics for the aircraft nose through drive gear's meshing transmission this moment, and turns round the seat when the aircraft nose card is held and can't rotate once more, then has driven the steel ball through turning round the seat and rotate, and can not drive the dwang and rotate, because the friction of steel ball itself is far less than the dwang, consequently can give an obvious leakage force when using and remind, it is more convenient to use.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (6)
1. The utility model provides a split type manual torque wrench of dentistry, is including pegging graft the torque assembly at the afterbody of handle, the fixed aircraft nose of head of handle, its characterized in that: the torsion assembly comprises a torsion seat and an adjusting knob fixed at the tail of the torsion seat, the head of the torsion seat is connected with the handle in an inserting mode, a pressure spring is arranged in the torsion seat, one end of the pressure spring is fixed with the adjusting knob, the other end of the pressure spring abuts against the end of the torsion seat, when the adjusting knob rotates, the pressure spring is compressed, and a steel ball is arranged between the pressure spring and the torsion seat.
2. A split dental hand torque wrench as claimed in claim 1, wherein: turn round and be equipped with in the seat and stretch out turn round the joint needle of seat, the handle cover establish on the joint needle and with joint needle fixed connection, the steel ball is located the joint needle is arranged in turn round one end in the seat with between the pressure spring and with the pressure spring is to pasting each other.
3. A split dental hand torque wrench as claimed in claim 2, wherein: the novel electric wrench is characterized in that a rotating rod is arranged in the handle, the rotating rod is fixedly connected with the clamping needle, the wrench base is driven by the clamping needle to drive the rotating rod to rotate, and the rotating rod principle is used for fixing the head of the one end of the wrench base.
4. A split dental hand torque wrench as claimed in claim 2, wherein: the clamping needle is arranged at one end in the torsion seat and is provided with a steel ball groove, the steel ball is arranged in the steel ball groove, the pressure spring and one end, abutted to the steel ball, of the steel ball are provided with a pressure seat, one end of the pressure seat is abutted to the pressure spring, and the other end of the pressure seat is abutted to the outer edge of the steel ball.
5. A split dental hand torque wrench as claimed in claim 4, wherein: the pressing seat and one end of the pressing seat abutted to the steel ball are provided with a limiting groove, the steel ball and one side of the pressing seat abutted to the pressing seat are arranged in the limiting groove, one end of the pressing seat abutted to the pressure spring is provided with a spring groove, a positioning column is arranged in the spring operation, and the pressure spring is sleeved on the positioning column and is arranged in the spring groove and abutted to the bottom of the spring groove.
6. A split dental hand torque wrench as claimed in claim 3, wherein: the dwang with the one end that the aircraft nose is connected is equipped with drive gear, the aircraft nose pass through drive gear with the dwang meshing is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123198232.7U CN216754662U (en) | 2021-12-20 | 2021-12-20 | Split type dental hand-operated torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123198232.7U CN216754662U (en) | 2021-12-20 | 2021-12-20 | Split type dental hand-operated torque wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216754662U true CN216754662U (en) | 2022-06-17 |
Family
ID=81966712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123198232.7U Active CN216754662U (en) | 2021-12-20 | 2021-12-20 | Split type dental hand-operated torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216754662U (en) |
-
2021
- 2021-12-20 CN CN202123198232.7U patent/CN216754662U/en active Active
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