KR101532235B1 - The portable folding compact screwdriver - Google Patents

Abstract

According to the present invention, a screwdriver can be converted in normal and counter rotation and exchange many driver tips to be used. Provided is a portable folding type compact screwdriver which comprises: a screwdriver body having a direction conversion wheel which has an axis tube converting a rotational direction to normal and counter directions and a direction conversion wheel knob converting and controlling a rotational direction; two folding type handles coupled to the screwdriver body with a hinge axis bolt to be rotated up to half-turn on an axis which is the hinge axis bolt; and two tip cases respectively separated and stored on both sides of the handles and having each set of four tips which has different standard and screw application.

Description

The portable folding compact screwdriver, which is easy to carry,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a folding type miniature screwdriver which is easy to carry, and more particularly, to a folding type miniature screwdriver which is portable, Two handle used as a folding type touch housing case which is coupled to the driver body by a hinge shaft bolt and rotates by 180 ° twice in 90 ° increments about a hinge shaft bolt, A foldable miniature screwdriver, which is separated from the handle and separated from each other, and which is made of a two-piece case with a set of four claws each of which is different from the standard and the screw application.

The dimensions and construction of the screwdriver are provided in sizes and configurations that can be used according to the thread applied.

The screws used for screwing and unscrewing with a screwdriver are separated from each other by a round head screw and a plate head screw when viewed from the structure of the head and from the top surface of the head, It is divided into large type, medium type, medium type, small type, and small type, which have a dagger style '-', a cross shape '+', a star shape '☆' and a square groove '◇' shape.

It is a matter of course that the present invention is provided with a driver touch having a shape of a square groove '◇' as well as a known '-', a crossed shape '+' and a star shape '*' The present invention relates to a folding type miniature screwdriver which is easy to carry, and more particularly, to a folding type miniature screwdriver having a folding type miniature screwdriver having a shaft turning tube capable of switching the direction of rotation in the forward and reverse directions and a turning wheel knob Two handles used as a folding type portable key case housing which is coupled to the driver body by a hinge shaft bolt and rotated 180 ° twice in 90 ° increments about a hinge shaft bolt, Each of them is separately stored on both sides, and each of four specimens with different specifications and screw application Which can be used according to the circumstances. At least eight driver tips are divided into four two-pin cases, and the screw is tightened with a stable force by rotating the handle depending on the situation It is provided so that you can carry it safely in your pocket or bag.

In the meantime, there are many screwdrivers known in the past as various technologies, but as a prior art which can be helpful in understanding the present invention, the screwdriver having the attachable swivel is disclosed in Korean Utility Model Registration No. 20-0190391 As for the contents of the driver holder (hereinafter referred to as the "invention"), "first, in the summary contents," by installing a folding swivel on both sides of the screwdriver, the screw can be easily and easily unfastened A conventional screwdriver has a problem that when a screw is strongly tightened due to a small diameter of the holder or when a screw is rusted or strongly tightened, it is difficult to transfer the force to the screwdriver, There is a disadvantage in that it is difficult to tighten or loosen, but in order to solve such a conventional disadvantage, The screwdriver has an elongated groove formed on both sides of the holder and having a size that is inserted into the elongated groove, and the upper end of the elongated groove is inserted into the elongate groove 15 ). When the screw is tightened or unscrewed by a large force, the swivel is unfolded so that the force of the hand can be sufficiently transmitted to the screwdriver to easily unscrew the screw. Can be tightened. And the object of the present invention is to provide a screwdriver holder having a foldable swivel type swivel type swivel type swivel type swivel type swivel type swivel type swivel type swivel swivel type swivel swivel type swivel swivel type A conventional screwdriver is composed of a shaft portion having a cruciform tip portion and a holder which is coupled to the rear portion of the shaft portion and which facilitates mounting of the screwdriver and facilitates rotation of the shaft portion. And the holder is rotated in a state where the tip portion of the shaft portion is inserted into the screw groove of the cross or the straight formed in the portion, so that the screw can be loosened or tightened.

According to another aspect of the present invention, there is provided a rotary table which is folded on both sides of a holder of a screwdriver so that when a screw is tightly tightened or a rusty screw or a tightly screwed screw is loosened, A screwdriver holder having a folding type swivel for easily and easily rotating the screwdriver by allowing the screwdriver to rotate, Or a screw is loosened by fastening a holder to a rear side of a shaft portion having a flat tip portion. The rotary table has a groove formed on both sides of the holder and a swivel having a size to be inserted into the groove, Large force when tightening hinge and unscrewing When a rotating force is required, the rotating members of both sides are rotated to rotate the screwdriver. The holder coupled to the rear side of the shaft may have a fixed structure. However, if necessary, So that they can be combined. On both sides of the holder of the screwdriver, a swivel is provided so as to be foldable. That is, axial grooves are formed on both sides of the holder so that the swivel is inserted, and the upper end of the swivel is hinged to the upper end of the groove with the hinge pin. When using a screwdriver having such a structure, when screwing or dismounting an ordinary screw, the screwdriver is rotated in a state in which the tip portion is inserted into the groove of the screw head while the turntable is inserted into the groove. If it is difficult to tighten the screws tightly or if it is difficult to disassemble the screws after they have been rusted, unscrew the turntable in the groove and rotate the holder. In this case, it is possible to understand that the screw can be easily tightened and loosened because a large force of rotation can be transmitted to the holder of the screwdriver. As the effect of the structure as described above, And when the screw is to be tightened or unscrewed by a large force, the swivel is unfolded so that the force of the hand can be sufficiently transmitted to the screwdriver, so that the screw can be easily loosened and tightened. The present invention is not limited to the above-described embodiments, but may be modified and changed without departing from the scope and spirit of the invention. The scope of the present invention is defined by the appended claims. The present invention provides a screwdriver for screwing a screwdriver, Wherein a holder is provided on both sides of the holder with a swivel having a size to be inserted into the housing and the upper end of the swivel is hinged to the upper portion of the housing to unfold the swivel if necessary. &Quot;

However, the above-mentioned invention can be used by separating the shaft portion having both the flat ends and the cross tip portions from the holder as needed, as can be seen from the above description and the utility model publication, It is possible to easily tighten or loosen the screw without using a lot of force. However, in the case of using the " T "shape, In the above-mentioned invention, Since the shaft is exposed, it is inconvenient and dangerous to carry it in a pocket or a bag as a portable, and secondly, It can be seen that it is a structure that can not be used for portable storage and can not be applied to a miniature screwdriver.

Therefore, in the above-mentioned name, there are many people who use glasses as in the past, and they carry a lot of mobile phones including notebooks, and use a screwdriver if necessary. In view of the functional and practical aspects, The effect can not be provided.

The present invention for solving the above problems is characterized in that a driver body having a direction switching wheel having a shaft tube capable of switching the rotational direction in normal and forward directions and a direction changing wheel furnace for switching the rotational direction, Which is coupled to a hinge shaft bolt and rotated by 180 ° twice in 90 ° increments with respect to the hinge shaft bolt, and two handles used as a housing for the two folding handles, By providing a compact, portable foldable miniature screwdriver with two touch cases as a set of four screwdrivers, each of which is different in size and threading, the problem can be solved in the past, and furthermore, one by one in the pocket or bag Conveniently and safely carry it with you, whether you need it or others around you Make sure you can help when you need help.

The present invention relates to an electric power steering apparatus comprising a direction switching wheel having a shaft tube capable of switching the rotational direction in the forward and reverse directions and a direction changing wheel furnace for switching the rotational direction, And the two knobs are formed with hemispherical interlocking protrusions and tension wings corresponding to the intermittent grooves and formed with intermittent grooves in the center thereof. The present invention is further characterized in that the intermittent wing is formed in a stepped shape and has interrupted protrusions.

The present invention relates to a folding type two-handed case structure in which a hinge shaft bolt is rotated two steps in an angle of 90 degrees and rotated 180 degrees or rotated 180 degrees at a time, A compact, portable foldable miniature screwdriver assembly, consisting of two handles, each of which is housed separately on both sides of the handle, with four screwdrivers, each of which is different in size and threading from the other. The miniature screwdriver kit It is convenient and safe to carry it one by one in your pocket or bag, from the expert to the untrained person, so that you can easily take it out when you need it or when others need help to provide.

1 is a front view of a screw driver according to the present invention showing a state in which a handle is assembled in a first use state
FIG. 3B shows a state in which only one handle is assembled in the first use state
2A is an exemplary illustration of a handle section of a screw driver of the present invention in which the handle is assembled in a first use state;
FIG. 2B is an exemplary cross-sectional view illustrating a state in which the screw driver handle of the present invention is folded into a storage state; FIG.
3A is an exemplary illustration of a handle section of a screw driver according to the present invention in which only one handle is assembled in a first use state;
FIG. 3B is an exemplary cross-sectional view of the handle of the screw driver according to the present invention in which the handle in the state in which only one handle is assembled in the first use state is retracted
Figure 4a is a frontal view of a body of a screwdriver according to the present invention,
Figure 4b is a side elevational view of the body of a screw driver in accordance with the present invention;
Figure 5a is a cross-sectional exemplary view of a kit including a handle and a handle coupled to the handle of the present invention;
Figure 5b is an illustration of one side of the handle of the present invention separated from the screwdriver body
6 is an explanatory diagram illustrating an example of a driver stub of the present invention
Fig. 7A is a longitudinal cross-sectional view of the embodiment of the present invention; Fig.
Fig. 7B is a cross-sectional view
Fig. 7C is a cross-sectional view illustrating a state in which the driving force is transmitted to the driver's cushion case while being stored
FIG. 8A is a photograph showing a first use state of the present invention
FIG. 8B is a diagram showing a physical photograph
FIG. 8C is a diagram showing a physical photograph
FIG. 9A is a photograph showing a second use state of the present invention
FIG. 9B is a photograph showing the second usage state of the present invention
FIG. 9C is a diagram showing a physical photograph
FIG. 10A is a photograph showing a third use state of the present invention
Fig. 10B is a photograph showing a physical photograph
FIG. 10C is a photograph showing a physical image

FIG. 1 is a front view of a screwdriver according to the present invention showing a state in which a handle is assembled in a first use state, FIG. 2 (a) is an illustration of a handle section of a screwdriver according to the present invention in which a handle is assembled in a first use state, FIG. 2B is a cross-sectional view illustrating a state in which the screw driver handle of the present invention is folded into a storage state. FIG. 3A is a cross- 1 illustrates a state in which the screw driver is coupled to the body of the screw driver, and FIG. 3B illustrates a state in which the screw and the kit are coupled to the handle, The handle of the present invention folded in a state in which the handle in a state in which only one handle is assembled is held in the first use state FIG. 4A is a front view of a body of a screw driver according to the present invention, in which a part of a shaft tube is cut away, and FIG. Figure 5b is a cross-sectional exemplary view of a kit of a screwdriver kit coupled to a handle and a handle of the present invention, Figure 5b is a cross- 6A and 6B are explanatory diagrams for explaining a driver stiffener according to the present invention, and FIG. 7A is a longitudinal cross-sectional view of an embodiment of the inventive staple case according to the present invention. Fig. 7B is a transverse cross-sectional view of the embodiment of the present invention, Fig. 7C is a cross- FIG. 8A is a photograph showing a first use case of the present invention, FIG. 8B is a photograph showing a first use state of the present invention, and FIG. FIG. 9C is a photograph showing the second use state of the present invention, FIG. 9B is a photograph showing the second use state of the present invention, FIG. FIG. 10A is a photograph showing a third use state of the present invention, FIG. 10B is a real photograph illustrating the third use state of the present invention, FIG. 10C is a third usage state of the present invention The present invention will be described in detail below.

The present invention provides a conventional screwdriver capable of switching the rotational direction in the clockwise direction and the counterclockwise rotation direction opposite thereto and capable of exchanging a plurality of screwdriver tips,

A screwdriver body 100 including a direction switching wheel 102 having a shaft tube 101 capable of switching the rotational direction in the forward and reverse directions and a direction switching wheel furnace 103 for switching the rotational direction do.

At this time, one end of the shaft tube 101 forms one body with the direction changing wheel 102 and rotates in the direction of operating the direction changing wheel nose 103.

The direction changing wheel furnace 103 can be operated in three steps of clockwise, stopping, and counterclockwise.

In addition, when the position of the turning wheel nose 103 is set to the clockwise position, the screwdriver body 100 is idle in the counterclockwise direction, while in the clockwise direction, the screwdriver body 100 can be screwed When the position of the turning wheel nose 103 is shifted to the counterclockwise position, the screwdriver body 100 is loosened in the clockwise direction, while in the counterclockwise direction, the screwdriver body 100 can be released In addition, when the position of the turning wheel furnace 103 is set to the stop position, the reelch (not shown), which is an internal device of the turning wheel furnace 103 at this time, is bi-directionally locked As a result, the screwdriver body 100 and the shaft tube 101 can be screwed in a clockwise or counterclockwise direction in the state of a concentric fixed shaft.

4A, the axial groove 101a having a hexagonal cross section is formed deeply along the axial direction of the shaft 101, and a small ball hole 101b is formed in the axial groove 101a The intermittent ball 101c for pressing the driver chuck 400 can be coupled by the spring ball cover 101d so that when the driver chuck 400 is inserted into the shaft pipe 101 and engaged, Thereby preventing spontaneous separation.

As shown in FIGS. 4A and 4B, the screw driver body 100 is formed by forming a handle coupling portion 104 having a stepped surface in a state where two wide surfaces are opposed to each other, The engaging portion 104 is formed with a through hole 105a and 105b on both sides of the hinge shaft hole 106 so as to extend from a predetermined angle of the handle 300 Stop rotation.

A hinge shaft bolt 200 having a nut 201 is fitted to the hinge shaft hole 106 to join the screw driver body 100 and the handle 300.

5A and 5B, the handle 300 includes a tentacle blade (not shown) having a tentacle insertion portion 305 and a tentative portion 302a at one surface of a space 304 opened in one direction 302 are formed to form the intermittent groove 303. A stepped wheel receiving portion 306a and a ratchet seat receiving portion 306b are formed in a semicircular shape opened in one direction in the opposite direction of the intermittent groove 303, And a wing portion 308 is formed on both sides of the body coupling portion 307. The wing portion 308 is formed on both sides of the body coupling portion 307,

The wing portion 308 has a reinforcing portion 308a and is formed concentrically with the hinge bolt hole 309. The wing portion 308 is provided with interlocking protrusions 301a and 301b on a straight line with the through- And the touch case 500 is coupled with the hinge axis bolt 200 in a state of being coupled to the screw driver body 100.

On the other hand, as shown in FIG. 7A, the cocoon case 500 to be coupled has four cocoon-engaging grooves 503 on the longitudinal cross section, but two cross-sectionally cross-sectional two-layered cross- And an intermittent blade 504 having an intermittent projection 501 is formed on the upper portion of the rear stopper 502 so as to be able to store and connect the driver tip 400. [

The state of using the present invention as described above will be described with reference to the accompanying drawings.

The screw driver of the present invention folds both handles 300 into a state as shown in FIG. 2B and holds it in a pocket or a bag in a handbag. As an example, when the screw of the eyeglass leg is released, the screw driver removes the hinge shaft bolt 200 The knob 300 is rotated around the knob 300 to be deformed as shown in Fig. 1 and then the knob 300 is separated from the knob case 500. Then, The driver pushbutton body 401 is inserted into and engaged with the pushbutton groove 101a of the shaft tube 101 as illustrated in the photograph of FIG.

When the driver touch main body 401 is inserted into the touch groove 101a, the driver touch main body 401 is inserted into the intermittent ball 101c of the small ball hole 101b coupled by the spring ball cover 101d. The screwdriver knob 400 is pushed deeply into the contact groove 101a while pushing the contact member 100a and the screw contact 400 is inserted into the contact groove 101a without separation as shown in the photograph of Figure 8c, As a result, as shown in Fig. 8A, it is possible to tighten the loosely loosened glasses leg screws.

At this time, the screw driver of the present invention is so small that the degree of gripping in the hand illustrated in Figs. 8A to 8C is so small as to be grasped between the thumb and the index finger and the stop, As shown in the photograph of FIG. 9C, the handle 300 is rotated in a direction of 90 degrees with one of the handles 300 facing in a straight line, 9A or 9B. In some cases, the two tabs 300 are deformed by 90 DEG in a state as shown in FIG. 9C, So that it can be easily tightened or loosened when tightening screws or tightly tightening screws.

When the semicircular interlocking protrusions 301a and 301b formed at the wing portions 308 at the respective positions are rotated 90 ° and 180 ° in a 90 ° or T shape or a straight shape for use as described above, 105b of the screwdriver body 100 and can be used conveniently.

100: Screwdriver body 101: Shaft
101a: Canned coupling groove 101b: Small ball hole
101c: Intermittent ball 101d: Spring ball cover
102: direction changing wheel 103: direction changing wheel nut 104: gripping engaging portion 105a, 105b, 303: intermittent groove
106: Hinge shaft yoke 200: Hinge shaft bolt
300: Handles 301a, 301b, 501:
302: Tennessee blade 302a:
304: Space 305: Push case insertion part
306a: Wheel seat portion 306b: Retrorefining seat portion
307; Body coupling portion 308: wing portion
308a: reinforcing portion 309: hinge bolt hole
400: Driver tip 401: Driver tip body
500: Needle Case 502: Rear Cap
503:

Claims (2)

delete The present invention provides a screwdriver capable of switching between forward and reverse rotation directions and capable of exchanging a plurality of screwdrivers. The screwdriver includes an intermittent ball 101c interlocked so that the driver's knob 400 is not spontaneously separated, (101) having a spring ball cover (101d) for preventing disengagement of the shaft (101) and a direction changing wheel (102) to which the shaft tube (101) is engaged;
A direction switching wheel (103) for switching the direction of rotation of the direction changing wheel (102);
A knob coupling portion 104 to which the two knobs 300 are coupled and an interlocking groove 105a or 105b indicating an active stop position of the knob 300 are formed and a screw for coupling the two knobs 300 A driver body (100);
A wing portion 308 having hemispherical interlocking protrusions 301a and 301b coinciding with the intermittent grooves 105a and 105b and a tension wing 302 having an intermittent groove 303 and an inner space are formed in a hollow space A handle 300 comprising a touch case inserting portion 305 having one side opened;
Four tactile engagement grooves 503 are formed in a stepped shape so that four claws 400 having different specifications from the intermittent projection 501 matching the intermittent groove 303 can be combined into a single piece, 502), and is characterized in that the load is a portable compact folding type miniature driver.

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