CN212015825U - Reversible planting and repairing screwdriver component with telescopic rod - Google Patents

Abstract

The utility model relates to a but possess the diversion of telescopic link and plant restoration screwdriver subassembly, include: the cutter comprises a cutter handle shell, an angle adjusting mechanism, a first cutter bar, a second cutter bar and a cutter head; the first cutter bar and the second cutter bar form a telescopic rod structure; the adjusting unit of the angle adjusting mechanism comprises a rotating shaft extension block, two tool shank inner core parts, four gears and corresponding gear rotating shafts; the inner core parts of the two tool handles are hinged and rotated through knobs; the first cutter handle inner core part comprises a first gear and a first gear rotating shaft; the inner core part of the second tool handle comprises a second gear, a third gear, a fourth gear and a corresponding rotating shaft; two end parts of the first gear rotating shaft are respectively connected with the rotating shaft extension block and the first gear, and the rotating shaft extension block is arranged in the non-circular channel; the first gear, the second gear, the third gear and the fourth gear are sequentially meshed, the purpose of individually adjusting the working angle is achieved, and the repairing parts such as healing caps and the like in the oral posterior tooth area are guaranteed not to be interfered by soft and hard tissues in the mouth during taking, installing and disassembling operations.

Description

Reversible planting and repairing screwdriver component with telescopic rod

Technical Field

The utility model relates to a possess the planting repair tool of diversion operation behind telescopic link and the changeable angle, especially a but diversion planting repair screwdriver subassembly that possesses the telescopic link to relieve the interior field of vision of mouth and the screwdriver subassembly that operating space blockked.

Background

Currently, the known implant restoration screwdriver is a rigid and non-deformable hand instrument. The tool bit and the repair part are embedded in the screw hole, the tool handle is a handheld part of an operator, the tool bar for connecting the tool bit and the repair part is a straight bar, the working direction is limited in the direction of the tool bar, and the repair part can be taken, placed and screwed on the screw hole of the implant. However, there are soft and hard tissue blocking limitations within many patient's mouths, with only minimal operating space and field of view. Generally, a traditional straight-bar screwdriver cannot adapt to an intraoral anatomical environment, a handheld screwdriver handle is positioned between an upper jaw column and a lower jaw column, operation is limited by soft and hard tissues around an implant, including buccal hypertrophic mucosa, adjacent teeth and even jaw teeth, manual operation is hindered, the screwdriver and a repair part are easy to fall off, and even a serious person can cause mistaken swallowing and aspiration of a patient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of narrow and small restoration space in current traditional screwdriver can not adapt to the mouth, the utility model provides a but possess the changeable direction planting restoration screwdriver subassembly of telescopic link, this screwdriver can not only change the restriction of working length in order to adapt to height between patient's opening degree and jaw, can shift to the intrinsic oral cavity department that has great operating space from the dentition with the handle of a knife part that the operator was handheld moreover, avoid the hindrance of soft or hard tissue to the handheld part of operator in the patient mouth, the needs of the restoration work of planting in the adaptation mouth.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a reversible planting and repairing screwdriver component with a telescopic rod comprises: the cutter comprises a cutter handle shell, an angle adjusting mechanism, a first cutter bar, a second cutter bar and a cutter head;

the cutter handle shell is sleeved outside the angle adjusting mechanism, and the angle adjusting mechanism, the first cutter bar, the second cutter bar and the cutter head are sequentially connected; the first cutter bar and the second cutter bar form a telescopic rod structure; the end part of the knife handle shell is provided with a retainer, and a non-circular channel communicated with the inner cavity of the knife handle shell is formed on the retainer;

the angle adjusting mechanism comprises at least one adjusting unit, and the adjusting unit comprises a rotating shaft extension block, two tool shank inner core parts, four gears and four gear rotating shafts; the inner core part of one of the tool handles is a cylinder, the inner core part of the other tool handle is a semi-cylinder, and the inner core parts of the two tool handles are hinged and rotate through knobs;

the first cutter handle inner core part comprises a first gear and a first gear rotating shaft; the inner core part of the second tool handle comprises a second gear, a third gear, a fourth gear and a corresponding rotating shaft; two end parts of the rotating shaft of the first gear are respectively connected with the rotating shaft extension block and the first gear, and the rotating shaft extension block is arranged in the non-circular channel of the retainer;

the first gear, the second gear, the third gear and the fourth gear are sequentially engaged in a tooth manner, a first gear rotating shaft and a fourth gear rotating shaft are coaxially arranged, a second gear rotating shaft and a third gear rotating shaft are arranged in parallel, and the second gear rotating shaft is vertically intersected with the extension line of the first gear rotating shaft; the shaft of the knob passes through the geometric center of the intersection part of the first gear and the second gear, so that the first gear and the second gear are always kept in a meshed state when the first cutter handle inner core part rotates around the knob.

As a further improvement, the fourth gear is located near the second handle of a knife bottom surface plane, and the fourth gear shaft is connected with first blade through the connector wearing out second handle of a knife bottom surface of kernel portion.

As a further improvement of the utility model, the first gear rotating shaft is connected with the rotating shaft extension block through a connecting body penetrating through the inner core part of the first cutter handle; the first gear bottom portion extends out of a first shank core portion bottom.

As a further improvement of the utility model, after the handle shell is pulled out from the outside of the angle adjusting mechanism, the first handle core part can rotate around the knob, and an included angle is formed between the first handle core part and the second handle core part;

after the knife handle shell is reversely arranged, the noncircular channel of the retainer is connected with the rotating shaft extension block so as to extend the length of the screwdriver component.

As a further improvement of the utility model, the end part of the second cutter bar is provided with an elastic locking structure, and the elastic locking structure comprises a spring and a limiting column; at least two limiting columns are respectively arranged on two opposite surfaces of the second cutter bar, and the two limiting columns are connected through a spring;

the other end of the first cutter bar is provided with a sleeve, the first cutter bar is sleeved on one end of the second cutter bar, and a plurality of rows of holes for the limiting columns to penetrate through are formed in the length direction of the first cutter bar; the outer end of the limiting column of the second cutter bar penetrates through the hole to be connected with the first cutter bar.

As a further improvement, the first cutter bar and the second cutter bar are cuboids, the first cutter bar is a hollow body, and the second cutter bar is a solid body.

As a further improvement, the second cutter arbor tip is provided with and holds the chamber, and spacing post outside is stretched out and is held the chamber and extend to the second cutter arbor outside, and spacing post the inner has the separation blade, holds and sets up between two spacing post separation blades of intracavity the spring.

As a further improvement of the present invention, the retainer is a magnetic retainer, the rotating shaft extension block is a magnetic block, and the retainer is magnetically opposite to the rotating shaft extension block.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a screwdriver subassembly, to traditional planting restoration screwdriver can not adapt to the defect that back tooth district planted the restoration demand, be the component structure of adjustable length and angle with the integrated structural design of traditional screwdriver. The outer shell of the knife handle is made into a detachable structure to prolong the operation part of the knife handle, the inner core part of the knife handle is arranged into two parts which can form an angle, a hollow structure is properly arranged in the inner core part of the knife handle to accommodate the planetary gear set, and the embedded working state of the four groups of gears is used as a transmission device after the inner core part of the knife handle changes the angle. The purpose of individually adjusting the working angle is realized, and the picking and placing operation of repairing parts such as healing caps and the like in the oral posterior dental area is ensured not to be interfered by soft and hard tissues in the mouth. The cutter bar is arranged into two groups of telescopic rods which can slide mutually, the elastic locking structure is used for fixing, and the working length of the screwdriver component can be changed to adapt to different opening degrees and different heights between jaws. The utility model discloses can realize the operating condition of an angle through self equipment and diversion, can remove the restriction of intraoral operating space and operation field of vision, can also avoid the hindrance of buccal side soft tissue to manual operation, realize easy operation ization, visual and the security.

Drawings

Fig. 1 is an overall appearance diagram of the present invention.

Fig. 2 is a longitudinal sectional configuration view of the cutter bar contracting structure.

Fig. 3 is a configuration diagram of the planetary gear.

FIG. 4 is a longitudinal sectional view of the rotatable end of the shank core.

FIG. 5 is a longitudinal sectional view showing a joint between the fourth gear and the cutter bar.

Fig. 6 is a longitudinal sectional structural view of the shank core portion.

FIG. 7 is a view of the direction-changing combination of the handle shell and the core.

In the drawing, 1, a handle shell, 2, a magnetic retainer, 3, a rotating shaft extension block, 4, a first cutter rod, 5, a second cutter rod, 6, a hole, 7, an elastic locking structure, 8, a cutter head, 9, a spring, 10, a first gear, 11, a second gear, 12, a third gear, 13, a fourth gear, 14, a first gear rotating shaft, 15, a second gear rotating shaft, 16, a third gear rotating shaft, 17, a fourth gear rotating shaft, 18, a knob, 19, a first handle inner core part, 20, a second handle inner core part, 21, a first gear connecting body, 22 and a fourth gear connecting body are arranged.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 7, the utility model relates to a but possess the diversion of telescopic link to plant and restore screwdriver subassembly, a serial communication port, include: the cutter comprises a cutter handle shell 1, an angle adjusting mechanism, a first cutter rod 4, a second cutter rod 5 and a cutter head 8;

the cutter handle shell 1 is sleeved outside the angle adjusting mechanism, and the angle adjusting mechanism, the first cutter bar 4, the second cutter bar 5 and the cutter head 8 are sequentially connected; the first cutter bar 4 and the second cutter bar 5 form a telescopic rod structure; the shank housing 1 can be pulled out from the outside of the angle adjusting mechanism.

The end part of the knife handle shell 1 is provided with a magnetic retainer 2, and a non-circular channel communicated with the inner cavity of the knife handle shell 1 is formed on the magnetic retainer 2;

the angle adjusting mechanism comprises at least one adjusting unit, and the adjusting unit comprises a rotating shaft extension block 3, two tool shank inner core parts, four gears and four gear rotating shafts; the inner core part of one of the tool handles is a cylinder, the inner core part of the other tool handle is a semi-cylinder, and the inner core parts of the two tool handles are hinged and rotate through a knob 18;

wherein, the first shank core part 19 comprises a first gear 10 and a first gear rotating shaft 14; the second handle core part 20 comprises a second gear 11, a third gear 12, a fourth gear 13 and corresponding rotating shafts; two end parts of a first gear rotating shaft 14 are respectively connected with a rotating shaft extension block 3 and a first gear 10, and the rotating shaft extension block 3 is arranged in a non-circular channel of the magnetic retainer 2; the shaft extension block 3 cooperates with the non-circular channel to limit rotation of the first gear shaft 13.

The first gear 10, the second gear 11, the third gear 12 and the fourth gear 13 are sequentially engaged in a tooth manner, a first gear rotating shaft 14 and a fourth gear rotating shaft 17 are coaxially arranged, a second gear rotating shaft 15 and a third gear rotating shaft 16 are arranged in parallel, and the extension lines of the second gear rotating shaft 15 and the first gear rotating shaft 14 are vertically intersected; after the first gear 10, the second gear 11, the third gear 12 and the fourth gear 13 are matched with each other, the direction of the rotation force transmission moment is unchanged, and the linear transmission is still kept.

The shaft of the knob 18 passes through the geometric center of the intersection part of the first gear 10 and the second gear 11, so that the first gear 10 and the second gear 11 are always kept in a jogged state when the first cutter handle inner core part 19 rotates around the knob 18. Because the inner core parts of the two tool handles are hinged and rotated through the knob 18, the operation of the special angle of the oral cavity can be carried out after the angles of the inner core parts of the two tool handles are adjusted through rotation; meanwhile, the first gear 10 and the second gear 11 are always in a jogged state, so that the bolt can be continuously screwed through the rotation angle adjusting mechanism.

Preferably, the fourth gear 13 is located near the plane of the bottom surface of the second handle inner core portion 20, and the fourth gear rotating shaft 17 penetrates through the bottom surface of the second handle inner core portion 20 through the connecting body 22 to be connected with the first cutter bar 4. The first gear shaft 14 is connected to the shaft extension block 3 by a connector 21 that extends through the first shank core portion 19.

Preferably, after the tool holder housing 1 is pulled out of the angle adjusting mechanism, the first tool holder core part 19 can rotate around the knob 18, and an included angle is formed between the first tool holder core part 19 and the second tool holder core part 20;

after the knife handle shell 1 is reversely arranged, the non-circular channel of the magnetic retainer 2 is connected with the rotating shaft extension block 3 to prolong the length of the screwdriver component. Such that the length of the screwdriver assembly is delayed by the length of the handle housing 1.

As a preferred scheme, an elastic locking structure 7 is arranged at the end part of the second cutter bar 5, and the elastic locking structure 7 comprises a spring 9 and a limiting column; at least two limiting columns are respectively arranged on two opposite surfaces of the second cutter bar 5, and the two limiting columns are connected through a spring 9; the other end of the first cutter rod 4 is provided with a sleeve, the first cutter rod 4 is sleeved on one end of the second cutter rod 5, and a plurality of rows of holes 6 for penetrating through the limiting columns are formed in the length direction of the first cutter rod 4; the outer end of the limiting column of the second cutter bar 5 penetrates through the hole 6 to be connected with the first cutter bar 4.

Preferably, the first cutter bar 4 and the second cutter bar 5 are both cuboids, the first cutter bar 4 is a hollow body, and the second cutter bar 5 is a solid body. The end of the second cutter bar 5 is provided with a containing cavity, the inner end of the limiting column is provided with a separation blade, the outside of the limiting column extends out of the containing cavity and extends to the outside of the second cutter bar 5, and the spring 9 is arranged between two separation blades of the limiting column in the containing cavity.

The retainer 2 is a magnetic retainer, the rotating shaft extension block 3 is a magnetic block, and the retainer 2 and the rotating shaft extension block 3 are opposite in magnetism.

Since the gear engagement of the present application is for transmitting torque and adjusting the bending of the tool bar, the first gear 10 and the second gear 11 are required to maintain the tooth portion engaged state during the bending process, and the third gear 12 and the fourth gear 13 also satisfy the tooth portion engaged state.

The utility model discloses the principle is: set the screwdriver cutter arbor to two parts, the inside cavity of handle of a knife end, inside the handle of a knife end can be retracted to the tool bit end, set up the elasticity system locking structure that contains the spring in the cutter arbor of tool bit end, different length departments set up the hole of penetrability on the cutter arbor of handle of a knife end and hold elasticity system locking structure, can contract the length of pole after pressing back elasticity system locking structure, reach hole department release elasticity system locking structure and make it recoil, thereby follow the hole and stretch out cutter arbor surface maintenance length.

The cutter arbor shape is the cuboid form, reduces the revolving force that elasticity system lock structure received, and the tool bit portion divide into cylindrically, does not influence the gomphosis of tool bit and prosthetic components screw hole. Set up the screwdriver handle into two-layer telescopiform structure, screwdriver handle shell structure makes into detachable form, both can regard as the shell of screwdriver handle, can also take off the back with it and reverse the installation as the extension of handle of a knife, sets up cylindric structure at outer layer handle of a knife tip, and the positive structure part of cube that the outer surface is outstanding in the interior core of handle of a knife can be held to built-in cube negative structure, sets the intussusception structure of this place into the magnetic substance, can fix the integrated configuration of handle of a knife ectonexine through friction and magnetism.

The inner core part of the screwdriver handle is of a hollow structure, four planetary gears are arranged inside the screwdriver handle, the four planetary gears are embedded in a serial state that gear planes are perpendicular to each other, a first gear rotating shaft at the end of the screwdriver handle is extended to the end of the screwdriver handle, and a cubic positive structure is formed by exceeding the inner core part of the screwdriver handle and is embedded with the outer shell of the screwdriver handle. The rotating shaft and the cubic positive structure penetrate through the inner core part of the tool handle through a connecting part with a diameter smaller than that of the rotating shaft to be connected, but are not fixedly connected with the inner core part of the tool handle, and the rotation of the first gear independent of the inner core part of the tool handle can be controlled through the positive structure. The fourth gear rotating shaft at the end of the cutter rod is connected with the cutter rod through the same small connecting body, the cutter rod can be driven to rotate, and the second gear and the third gear which are perpendicular to the cutter rod are used as transmission gears, so that the purpose that the other three gears are driven through one gear is achieved. The projection point connecting line of the geometric center of the intersected part of the first gear and the second gear on the surface of the inner core part of the tool handle is used as a rotating shaft, two knobs are arranged at the positions, where the rotating shaft penetrates through the inner core part of the tool handle, of the rotating shaft, the inner core part of the tool handle is divided into two parts through a plane parallel to the plane of the bottom surface of the tool handle, one part of the inner core part is semi-cylindrical and can rotate relative to the other part around the knob, the first gear is located at the rotatable end of the tool handle, the second gear, the third gear and the fourth gear are located at the immovable end of the tool handle, the inner core parts of the two parts of the tool handle can form an angle through the knobs. Finally, the outer structure of the knife handle is connected with the extension end of the rotating shaft of the knife handle end gear through friction and magnetism, and after the knife handle is turned through the inner structure of the knife handle, the aim of continuously working in a turning state is fulfilled.

Example 2

The overall structure of the screwdriver assembly is shown in fig. 1 to 7, and the following is a specific structure of the screwdriver assembly.

The appearance comprises handle of a knife shell 1, first cutter arbor 4, second cutter arbor 5 and tool bit 8, has magnetism retainer 2 at handle of a knife shell 1 tip, and the inside contains extension piece 3 that cubic negative structure holds first gear shaft. The first cutter bar 4 is square and hollow, the second cutter bar 5 is solid, and the 8 parts of the cutter heads are columnar and are integrated with the second cutter bar. The end of the second cutter bar is provided with an elastic locking structure 7 which can penetrate through the hole 6 on the first cutter bar 4 to be used as the connection of the two cutter bars. Embodiments of length and working angle adjustment can be made on the basis of this structure.

In the embodiment of changing the working length, as shown in fig. 1 and 2, the first cutter bar 4 is a hollow structure, and the whole outer diameter of the second cutter bar 5 is slightly smaller than the inner diameter of the hollow structure of the first cutter bar 4, so that the second cutter bar can be retracted into the first cutter bar 4 and then slide in the first cutter bar 4, and the first cutter bar and the second cutter bar are overlapped to change the working length of the screwdriver. Three groups of holes 6 are uniformly arranged on the first cutter bar, two holes in each group are respectively positioned at two opposite sides of the first cutter bar 4 and are used as mark points with different working lengths. The end of the second cutter bar 5 is provided with a layer of hollow hidden lattices as an accommodating cavity, an elastic locking structure 7 is arranged in the hidden lattice accommodating cavity, two ends of the elastic locking structure 7 are arranged into cylindrical bodies, the diameter of each cylindrical body is the same as that of the hole 6 of the first cutter bar, the insides of the cylindrical bodies are connected through a spring 9 with the diameter larger than that of the hole, and the spring 9 provides elastic force for the cylindrical bodies to move inwards and outwards relative to the surface of the cutter bar and force for limiting the cylindrical bodies to dislocate from the cutter bar. When the spring 9 is in a relaxed state, the cylinder may extend through the hole 6 and beyond the surface of the first blade bar 4, limiting the movement of the second blade bar relative to the first blade bar. The process of changing the working length of the screwdriver is that the elastic locking structure 7 at the end part of the second cutter bar 5 is moved from one hole 6 to the next hole 6, the cylindrical bodies at two sides are pressed into the inside of the screwdriver handle by external force before moving, after the retention force of the cylindrical bodies on the overlapped part of the first cutter bar 4 and the second cutter bar 5 disappears, the second cutter bar 5 slides from the hole 6 at the upper part to the next hole 6 along the hollow structure inside the first cutter bar 4, the external force intervention is removed after the position is in place, and the spring 9 can push the cylindrical bodies at two ends out of the holes 6 towards two sides, so that the relative movement trend of the two cutter bars is stopped. Because the diameter of the spring is larger than that of the hole, the loosened spring 9 can prop against the inner wall of the cutter bar, and the columnar body connected with the spring is prevented from leaving the cutter bar from two sides. The elastic locking structure is provided with two cylindrical bodies on two sides of the cutter bar, and when one cylindrical body is touched by mistake in the operation process and enters the interior of the cutter bar, the other cylindrical body can be left in the hole to serve as a safety fixing device, so that the change of the working length which is not intended by an operator is prevented. Finally, the elastic locking structure can limit the sliding of the two-part cutter bar through the hole, thereby stably maintaining the working length.

In the embodiment of changing the working angle shown in fig. 6 and 7, the holder housing 1 can be forcibly detached from the holder core portion to expose the holder core portion, and the holder core portion includes four gears and their rotating shafts that are fitted and connected, as shown in fig. 3. The shaft of the first gear is integrated with the external shaft extension block 3 by a connector 21 that penetrates the surface of the core portion of the holder, as shown in fig. 4. The second gear plane and the third gear plane are perpendicular to the bottom plane of the inner core part of the knife handle, and the rotating shaft is parallel to the bottom plane of the inner core part of the knife handle. The fourth gear is located near the bottom plane of the core portion of the tool holder, and a rotating shaft of the fourth gear penetrates through the bottom plane of the core portion of the tool holder through a connecting body 22 to be connected with the first tool bar 4, so that the tool bar can be driven to rotate, as shown in fig. 5. The rotating shafts of the first gear and the fourth gear are both positioned on the central line of the inner core part of the tool holder, and the second gear and the third gear are positioned on one side of the central line, so that the four gears are meshed without influencing the normal rotating state. The inner core part of the tool handle is two parts which can rotate relatively, namely a first tool handle inner core part 19 which only has a half-edge cylindrical body to facilitate rotation and internally comprises a first gear 10 and a rotating shaft 14 thereof; and the second handle inner core part 20 connected with the cutter bar comprises a second gear 11, a third gear 12, a fourth gear 13 and corresponding rotating shafts. The inner cores of the two knife handles are connected through a pair of knobs 18, and the shaft of each knob 18 passes through the geometric center of the intersection part of the first gear and the second gear, so that the first gear 10 and the second gear 11 are always kept in a tabling state when the first knife handle inner core 19 rotates around the knob 18. The first shank core portion 19 may be rotated about the knob 18 to adjust the angle with respect to the second shank core portion 20, depending on the particular circumstances within the mouth. Since the first shank core portion 19 has only half cylinders, its working angle may even reach 90 degrees.

The retainer 2 at the end of the tool holder shell 1 is embedded with the rotating shaft extension block 3 at the end of the first tool holder core part 19 in the opposite direction, the tool holder shell 1 is used as an extension rod of the first tool holder core part 19 through magnetic and friction retention, and the tool holder shell 1 can be used for driving the first gear 10 to rotate through the embedding with the first gear rotating shaft extension block 3. Since neither the handle housing 1 nor the rotary shaft extension block 3 is fixedly connected to the first handle core portion 19, no rotational force is generated to the first handle core portion 19 in this process. The angle between the first cutter handle inner core part 19 and the second cutter handle inner core part 20 is adjusted according to the needs of an operator, the change of the angle between the handheld cutter handle shell 1 and the cutter rod is realized, the transmission of the gear set is driven by rotating the cutter handle shell 1, and the screwing and unscrewing of the repair part are realized.

The foregoing is only a preferred embodiment of the present invention and is not intended to limit the invention in any way, and those skilled in the art will appreciate that various modifications and substitutions can be made without departing from the spirit and principles of the invention, and that such modifications and substitutions also fall within the scope of the appended claims.

Claims (8)

1. The utility model provides a but possess flexible pole to plant and restore screwdriver subassembly which characterized in that includes: the cutter comprises a cutter handle shell (1), an angle adjusting mechanism, a first cutter bar (4), a second cutter bar (5) and a cutter head (8);

the cutter handle shell (1) is sleeved outside the angle adjusting mechanism, and the angle adjusting mechanism, the first cutter bar (4), the second cutter bar (5) and the cutter head (8) are sequentially connected; the first cutter bar (4) and the second cutter bar (5) form a telescopic rod structure; the end part of the knife handle shell (1) is provided with a retainer (2), and a non-circular channel communicated with the inner cavity of the knife handle shell (1) is formed on the retainer (2);

the angle adjusting mechanism comprises at least one adjusting unit, and the adjusting unit comprises a rotating shaft extension block (3), two tool shank inner core parts, four gears and four gear rotating shafts; the inner core part of one of the tool handles is a cylinder, the inner core part of the other tool handle is a semi-cylinder, and the inner core parts of the two tool handles are hinged and rotated through a knob (18);

wherein the first shank core portion (19) comprises a first gear (10) and a first gear shaft (14); the second handle inner core part (20) comprises a second gear (11), a third gear (12), a fourth gear (13) and corresponding rotating shafts; two end parts of the first gear rotating shaft (14) are respectively connected with the rotating shaft extension block (3) and the first gear (10), and the rotating shaft extension block (3) is arranged in the non-circular channel of the retainer (2);

the first gear (10), the second gear (11), the third gear (12) and the fourth gear (13) are sequentially meshed, a first gear rotating shaft (14) and a fourth gear rotating shaft (17) are coaxially arranged, a second gear rotating shaft (15) and a third gear rotating shaft (16) are arranged in parallel, and the extension lines of the second gear rotating shaft (15) and the first gear rotating shaft (14) are vertically intersected; the shaft of the knob (18) passes through the geometric center of the intersection part of the first gear (10) and the second gear (11), so that the first gear (10) and the second gear (11) are always kept in a meshed state when the first cutter handle core part (19) rotates around the knob (18).

2. The reversible planting and repairing screwdriver component with the telescopic rod as recited in claim 1, characterized in that the fourth gear (13) is located near the bottom plane of the second handle inner core part (20), and the fourth gear rotating shaft (17) penetrates out of the bottom plane of the second handle inner core part (20) through a fourth gear connecting body (22) to be connected with the first screwdriver rod (4).

3. The reversible planting and repairing screwdriver component with the telescopic rod as claimed in claim 1, wherein the first gear rotating shaft (14) is connected with the rotating shaft extension block (3) through a first gear connecting body (21) penetrating through the first cutter handle core part (19); the bottom part of the first gear (10) extends out of the bottom of the first cutter handle inner core part (19).

4. The reversible planting and repairing screwdriver assembly with the telescopic rod as recited in claim 1, characterized in that after the screwdriver handle shell (1) is pulled out of the angle adjusting mechanism, the first screwdriver handle core part (19) can rotate around the knob (18), and the first screwdriver handle core part (19) and the second screwdriver handle core part (20) form an included angle;

after the knife handle shell (1) is reversely arranged, the noncircular channel of the retainer (2) is connected with the rotating shaft extension block (3) to prolong the length of the screwdriver component.

5. The reversible planting and repairing screwdriver component with the telescopic rod as claimed in claim 1, wherein an elastic locking structure (7) is arranged at the end of the second screwdriver rod (5), and the elastic locking structure (7) comprises a spring (9) and a limiting column; at least two limiting columns are respectively arranged on two opposite surfaces of the second cutter bar (5), and the two limiting columns are connected through a spring (9);

the other end of the first cutter bar (4) is provided with a sleeve, the first cutter bar (4) is sleeved on one end part of the second cutter bar (5), and a plurality of rows of holes (6) for the penetration of the limiting columns are formed in the length direction of the first cutter bar (4); the outer end of the limiting column of the second cutter bar (5) penetrates through the hole (6) and is connected with the first cutter bar (4).

6. The reversible planting and repairing screwdriver component with the telescopic rod as recited in claim 1, wherein the first screwdriver rod (4) and the second screwdriver rod (5) are both rectangular solids, the first screwdriver rod (4) is a hollow body, and the second screwdriver rod (5) is a solid body.

7. The reversible planting and repairing screwdriver component with the telescopic rod as claimed in claim 5, wherein a receiving cavity is formed at the end of the second screwdriver rod (5), the outer part of the limiting column extends out of the receiving cavity and extends to the outer part of the second screwdriver rod (5), a blocking piece is arranged at the inner end of the limiting column, and the spring (9) is arranged between the two blocking pieces of the limiting column in the receiving cavity.

8. The reversible implant restoration screwdriver assembly with the telescopic rod according to claim 1, wherein the retainer (2) is a magnetic retainer, the rotating shaft extension block (3) is a magnetic block, and the retainer (2) is magnetically opposite to the rotating shaft extension block (3).

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