CN219289658U

CN219289658U - Portable screw driver

Info

Publication number: CN219289658U
Application number: CN202320280147.5U
Authority: CN
Inventors: 施久军; 吴正宽
Original assignee: Second Affiliated Hospital Zhejiang University College Of Medicine
Current assignee: Second Affiliated Hospital Zhejiang University College Of Medicine
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-07-04
Anticipated expiration: 2033-02-16

Abstract

The utility model provides a portable screwdriver, which belongs to the technical field of screwdrivers and comprises a screwdriver handle, wherein a unidirectional rotator is fixedly connected to the end part of the screwdriver handle, a fixing rod is rotatably connected to the inner side wall of the unidirectional rotator, a cutter bar is fixedly connected to the bottom of the fixing rod, a plugging rod is plugged into the bottom of the cutter bar, a cutter head is fixedly connected to the bottom of the plugging rod, a direction-adjusting button is rotatably connected to the inner side wall of the fixing rod, a thread plate is fixedly connected to the bottom of the direction-adjusting button, and a thread groove is formed in the outer side wall of the thread plate through threads. The screwdriver can be freely rotated in a limited space for use, is easy to operate, saves time and labor, can produce tool bits with different shapes according to different types of patients, is convenient for personnel to operate, reduces operation difficulty, shortens operation time, and is convenient for quick removal of a fixture.

Description

Portable screw driver

Technical Field

The utility model relates to the field of screwdrivers, in particular to a portable screwdrivers.

Background

The screwdriver is a common tool for turning the screw to be in place, and is an alias screwdriver, a screwdriver and a screwdriver; the screw driver usually has a thin wedge-shaped head which can be inserted into a slot or a notch of the screw head, and is rotated clockwise to be tightly embedded, and rotated anticlockwise to be loosened, and the screw driver is of the type of a straight line (negative sign), a cross (positive sign), a hexagonal screw driver and the like, and utilizes the working principle of a lever and a wheel shaft.

At present, when an orthopedic steel plate screw is internally fixed or an internal fixture is removed for operation, the operation difficulty is increased due to small operation space, the time is prolonged, and even the conditions of broken nails, incapability of taking out the internal fixture and the like occur.

How to invent a portable screwdriver to improve the problems becomes a urgent problem to be solved by the person skilled in the art.

Disclosure of Invention

In order to make up for the defects, the utility model provides a portable screwdriver, which aims to improve the problems of small operation space, increased operation difficulty, prolonged time and even broken nails and incapability of taking out internal fixtures.

The utility model is realized in the following way:

the utility model provides a portable screwdriver, which comprises a handle, wherein the end part of the handle is fixedly connected with a unidirectional rotator;

the utility model discloses a unidirectional rotating ware, including the fixed knot, the inside wall of unidirectional rotating ware rotates and is connected with the dead lever, the bottom fixedly connected with cutter arbor of dead lever, the bottom fixedly connected with tool bit of cutter arbor is pegged graft to the bottom of cutter arbor, the inside wall of dead lever rotates and is connected with the steering button, the bottom fixedly connected with screw thread board of steering button, the lateral wall of screw thread board has the screw thread groove through threaded connection, the lateral wall fixedly connected with limiting plate of steering button, the lateral wall of steering button is located and rotates between the limiting plate and be connected with steering mechanism.

Preferably, the direction adjusting mechanism comprises a direction adjusting plate, a limiting rod is connected to the direction adjusting plate in a penetrating and sliding mode, a telescopic rod is attached to the outer side wall of the direction adjusting plate, and a telescopic spring is fixedly connected to one end, away from the direction adjusting plate, of the telescopic rod.

Preferably, the top of the cutter head is attached to the bottom of the cutter bar, and the part of the cutter bar, which is inserted with the inserting rod, is provided with magnetic powder and can absorb and fix the inserting rod.

Preferably, the thread groove is formed in the fixing rod, and the bottom of the unidirectional rotator is rotationally connected with the top of the cutter bar.

Preferably, the inner side wall of the direction adjusting plate is rotationally connected with the outer side wall of the direction adjusting button, and the top and the bottom of the center position of the direction adjusting plate are rotationally connected with opposite sides of the limiting plate.

Preferably, the bottom of gag lever post and the top fixed connection of dead lever, the lateral wall of telescopic link and the inside sliding connection of the lateral wall of unidirectional rotator, the one end that telescopic spring kept away from the telescopic link and the inside fixed connection of lateral wall of unidirectional rotator, the steering plate is located the inside of unidirectional rotator.

The beneficial effects of the utility model are as follows:

1. according to the utility model, through the cooperation of the knife handle, the unidirectional rotator, the knife bar and the knife head, the knife bar and the knife handle are designed to be 90 degrees, so that the knife bar is more in line with human anatomy and physiological characteristics during clinical use, the screwdriver can be freely rotated in a limited space for use, and is easy to operate, time-saving and labor-saving, the knife head with different shapes can be produced according to different types of patients, the operation of personnel is convenient, the operation difficulty is reduced, the operation time is shortened, and the rapid removal of a fixed object is facilitated.

2. According to the utility model, through the cooperation of the direction adjusting plate, the thread groove, the threaded rod, the direction adjusting button, the limiting rod, the telescopic spring and the limiting plate, when the fixed object is required to be taken out in a unidirectional rotation mode, the direction adjusting plate is clamped with the telescopic rod at the top or the telescopic rod at the top through the clockwise rotation or the anticlockwise rotation of the direction adjusting button, so that unidirectional rotation operation can be realized, the convenience of operation is improved, and the operation is convenient for an operator to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a three-dimensional partially cut-away structure of a portable screwdriver according to an embodiment of the present utility model;

fig. 2 is a schematic three-dimensional structure of a portable screwdriver according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a middle cutaway structure of a portable screwdriver according to an embodiment of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a of the portable screwdriver according to the embodiment of the present utility model.

In the figure: 1. a knife handle; 2. a unidirectional rotator; 3. a fixed rod; 4. a cutter bar; 5. inserting a connecting rod; 6. a cutter head; 7. a direction-adjusting button; 8. a thread plate; 9. a thread groove; 10. a direction-adjusting plate; 11. a limit rod; 12. a telescopic rod; 13. a telescopic spring; 14. and a limiting plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, a portable screwdriver comprises a screwdriver handle 1, wherein the end part of the screwdriver handle 1 is fixedly connected with a unidirectional rotator 2, and the screwdriver handle 1 and a screwdriver rod 4 are designed at 90 degrees;

the inside wall of unidirectional rotator 2 rotates and is connected with dead lever 3, the bottom fixedly connected with cutter arbor 4 of dead lever 3, peg graft in the bottom of cutter arbor 4 has peg graft pole 5, the bottom fixedly connected with tool bit 6 of peg graft pole 5, the inside wall of dead lever 3 rotates and is connected with steering button 7, the bottom fixedly connected with screw thread board 8 of steering button 7, the lateral wall of screw thread board 8 has screw thread groove 9 through threaded connection, the lateral wall fixedly connected with limiting plate 14 of steering button 7, the lateral wall of steering button 7 is located and rotates between the limiting plate 14 and be connected with steering mechanism.

It should be noted that, the design of the cutter bar 4 and the cutter handle 1 is 90 degrees, which is more in accordance with human anatomy and physiological characteristics during clinical use, so that the screwdriver can be freely rotated in a limited space, is easy to operate, saves time and labor, can produce the cutter head 6 with different shapes according to different types of patients, is convenient for personnel to operate, reduces operation difficulty, shortens operation time, and is convenient for rapidly taking out a fixture.

Further, the direction adjusting mechanism comprises a direction adjusting plate 10, a limiting rod 11 penetrates through the direction adjusting plate 10 in a sliding connection mode, a telescopic rod 12 is attached to the outer side wall of the direction adjusting plate 10, and a telescopic spring 13 is fixedly connected to one end, away from the direction adjusting plate 10, of the telescopic rod 12.

The end of the telescopic rod 12 is inclined, and has a straight edge and an inclined edge, so that the telescopic rod 12 can conveniently drive the steering plate 10 to rotate, and the telescopic rod 12 can retract when the unidirectional rotator 2 rotates.

It is to be noted that, through the setting of above-mentioned structure, can realize unidirectional rotation operation, improve the convenience of operation, make things convenient for the operator to use.

Further, the top of the cutter head 6 is attached to the bottom of the cutter bar 4, and the part of the cutter bar 4, which is inserted with the inserting rod 5, is provided with magnetic powder, so that the inserting rod 5 can be sucked and fixed.

Further, a thread groove 9 is formed in the fixing rod 3, and the bottom of the unidirectional rotator 2 is rotationally connected with the top of the cutter bar 4.

Further, the inner side wall of the steering plate 10 is rotatably connected with the outer side wall of the steering knob 7, and the top and bottom of the center position of the steering plate 10 are rotatably connected with the opposite sides of the limiting plate 14.

Further, the bottom of the limiting rod 11 is fixedly connected with the top of the fixed rod 3, the outer side wall of the telescopic rod 12 is in sliding connection with the inner side wall of the unidirectional rotator 2, one end of the telescopic spring 13, which is far away from the telescopic rod 12, is fixedly connected with the inner side wall of the unidirectional rotator 2, and the direction-adjusting plate 10 is positioned in the unidirectional rotator 2.

The working principle of the portable screwdriver is as follows:

when in use, taking the operation of dismantling the internal fixture of the right collarbone fracture as an example;

the method comprises the steps that an internal fixture is fully exposed in operation, a tool bit 6, such as a hexagonal tool bit, of a screwdriver of the design corresponding to a screw cap is selected, firstly, a plug rod 5 of the tool bit 6 is inserted into the bottom of a tool bar 4 and is adsorbed by magnetic powder in the tool bar 4, a tool shank 1 is arranged on the right side of a patient, after the tool bit 6 of the screwdriver is combined with the screw cap, a direction-adjusting button 7 is rotated clockwise or anticlockwise as required, so that a threaded plate 8 is abutted against the top or the bottom of a threaded groove 9, and a direction-adjusting plate 10 slides upwards or downwards under the action of a limiting rod 11 and a limiting plate 14 in the process again, and is clamped with a telescopic rod 12 at the top or the bottom, so that the tool shank 1 can be rotated to perform continuous back and forth single-swing rotation; at this time, due to the functions of the telescopic rod 12 and the telescopic spring 13, the screw can only rotate towards one direction under the functions of the tool bit 6 and the tool holder 1, and in the process, when the tool bit 6 and the tool holder 1 rotate towards one direction, the straight edge part of the telescopic rod 12 can push the steering plate 10 to rotate, so that the fixing rod 3 drives the tool holder 4 to rotate, the inserting rod 5 drives the tool bit 6 to rotate, and when the tool holder 1 rotates, the inclined part of the telescopic rod 12 can inwards compress the telescopic spring 13 under the function of the steering plate 10, so that the screw can be unscrewed without extremely making a patient rotate the head and neck.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The portable screwdriver is characterized by comprising a handle (1), wherein the end part of the handle (1) is fixedly connected with a unidirectional rotator (2);

the utility model discloses a unidirectional rotating ware, including single direction rotation ware (2), inside wall rotation connection has dead lever (3), the bottom fixedly connected with cutter arbor (4) of dead lever (3), peg graft in the bottom of cutter arbor (4) and have peg graft pole (5), the bottom fixedly connected with tool bit (6) of peg graft pole (5), the inside wall rotation connection of dead lever (3) has turn button (7), the bottom fixedly connected with screw thread board (8) of turn button (7), the lateral wall of screw thread board (8) has screw thread groove (9) through threaded connection, the lateral wall fixedly connected with limiting plate (14) of turn button (7), the lateral wall of turn button (7) is located and rotates between limiting plate (14) and be connected with turn mechanism.

2. The portable screwdriver according to claim 1, wherein the direction adjusting mechanism comprises a direction adjusting plate (10), a limiting rod (11) is connected to the direction adjusting plate (10) in a penetrating and sliding mode, a telescopic rod (12) is attached to the outer side wall of the direction adjusting plate (10), and a telescopic spring (13) is fixedly connected to one end, far away from the direction adjusting plate (10), of the telescopic rod (12).

3. The portable screwdriver according to claim 1, wherein the top of the tool bit (6) is attached to the bottom of the tool bar (4), and the part of the tool bar (4) inserted with the inserting rod (5) is provided with magnetic powder, so that the inserting rod (5) can be sucked and fixed.

4. The portable screwdriver according to claim 1, wherein the thread groove (9) is formed in the fixing rod (3), and the bottom of the unidirectional rotator (2) is rotatably connected with the top of the cutter bar (4).

5. The portable screwdriver according to claim 2, wherein the inner side wall of the direction adjusting plate (10) is rotatably connected with the outer side wall of the direction adjusting button (7), and the top and the bottom of the center position of the direction adjusting plate (10) are rotatably connected with the opposite sides of the limiting plate (14).

6. The portable screwdriver according to claim 2, wherein the bottom of the limit rod (11) is fixedly connected with the top of the fixed rod (3), the outer side wall of the telescopic rod (12) is in sliding connection with the inner side wall of the unidirectional rotator (2), one end of the telescopic spring (13) away from the telescopic rod (12) is fixedly connected with the inner side wall of the unidirectional rotator (2), and the direction-adjusting plate (10) is positioned in the unidirectional rotator (2).