KR20100033576A

KR20100033576A - Driver tool

Info

Publication number: KR20100033576A
Application number: KR1020080092519A
Authority: KR
Inventors: 김성림
Original assignee: 김성림; 이미옥
Priority date: 2008-09-22
Filing date: 2008-09-22
Publication date: 2010-03-31

Abstract

The present invention relates to a screwdriver for tightening screws, bolts, etc. for fastening, the driver tool can be replaced easily and quickly in the + and-shape with only one touch, and the + and-shape core material is built in, so that the loss or loss of There is no risk, and it is to provide a driver tool that can minimize the volume. In addition, an object of the present invention can be easily perpendicular to the fastening member when using the driver tool, it is possible to prevent shaking. It is also an object of the present invention to provide a driver tool having its own lighting means for illuminating the working area. The driver tool according to the present invention for achieving the above object is provided with a -shaped first core material at the front end and a housing having a hollow portion therein, and reciprocally installed at the hollow portion of the housing, and the housing at the front end. It includes a holder coupled to the second core material and penetrates in a direction perpendicular to the first core material to form a + -shape.

Description

Driver Tool {DRIVER TOOL}

The present invention relates to a screwdriver for tightening fastening screws, bolts and the like, and more particularly to a screwdriver tool that can be used to easily switch between the cross and the flat head screw.

In general, homes and industries are used in combination with a fastening member such as screws or bolts for fastening or fixing the product. These fastening members are formed with grooves of + or-characters to facilitate separation and coupling, and tighten the fastening members using respective driver tools having a shape corresponding to the grooves of the + or-characters.

Therefore, in the related art, the shape of the fastening member has to hold each driver tool according to the + or-character, and when assembling the fastening member having a groove having a different shape, it is inconvenient to change the driver tool used.

As a result of the inconvenience of such a conventional driver tool, a driver tool has been developed that allows one driver tool to be replaced by + and-characters.

1 is a perspective view of a state in which a driver tool according to the prior art is separated. Referring to FIG. 1, the driver tool 10 includes a core 14 having positive and negative protrusions 14a and 14b formed at both ends thereof, and a groove 13 formed at a central portion thereof. And a holder 12 to be fitted.

In order to exchange the + and-characters of the driver tool 10, the core material 14 needs to be removed from the holder 12, and then reinserted after changing the inserted direction, and the + -shaped protrusion of the core material 14 14a) and -shaped protrusions 14b were difficult to change quickly.

FIG. 2 is a perspective view of a driver tool according to another embodiment of the prior art, in which a hole 25 is formed in a core material 24 fitted into a groove portion 23 of a holder 22. The driver tool 20 has been developed to fit the tool tips 26, 26 'having various sizes and shapes on the (25). Such a driver tool 20 is used to make a protrusion having various sizes and shapes such as a + or-shaped protrusion at the end of the tool tip 26, and to replace the tool tip 26 suitable for the fastening member. .

Such a driver tool 20 is inconvenient to use by replacing the tool tip 26 of the desired shape according to the shape of the fastening member, it is difficult to replace the tool tip 26 of the desired shape within a short time. . In addition, the driver tool 20 may be lost or lost since the plurality of tool tips 26 must be stored separately according to the shape of the fastening member.

In addition, the conventional driver tools (10, 20) had to be inconvenient to have a separate lighting facility in order to use at night or in a dark place, there is a factor that reduces workability by holding the portable lighting fixture with the other hand It is becoming.

In order to solve this problem, the optical fiber is installed in the core of the driver tool and the lighting means is connected to the optical fiber to illuminate the working area. However, the light irradiation area is narrow and there is a limit to increase the intensity of the light source. It was difficult to get the effect.

In addition, in the conventional driver tool, when the screw is fastened to the fastening member, the fastening member is easily worn, and it is difficult to assemble the fastening member accurately in a desired direction.

An object of the present invention is to solve the above-mentioned problems of the prior art, the driver tool can be replaced easily and quickly in the + and-shape with only one touch, and + and-shaped core material is built-in to prevent loss or loss There is no risk, and it is to provide a driver tool that can minimize the volume. In addition, an object of the present invention can be easily perpendicular to the fastening member when using the driver tool, it is possible to prevent shaking. The present invention also provides a driver tool having its own lighting means for illuminating the working area.

The driver tool according to the present invention for achieving the above object is provided with a -shaped first core material at the front end and a housing having a hollow portion therein, and reciprocally installed at the hollow portion of the housing, and at the front end of the housing. It penetrates through and coupled in a direction perpendicular to the first core material and comprises a holder coupled to the second core material forming a + -shape.

Here, the lever further protrudes to the outside of the housing to reciprocate the holder, it is formed through the housing long and may include a guide groove for guiding the movement of the lever. In addition, the guide groove may be formed with a lever seating groove bent in the circumferential direction at both ends in the longitudinal direction. In addition, the lever may be installed in a holder bundle that is rotatably contacting one end of the holder. In addition, the holder may have at least one protrusion formed on the outer circumference thereof, and a rail groove in which the protrusion is inserted and moved may be formed in the hollow portion of the housing. In addition, it may include a spring provided between the end of the hollow portion of the housing and the holder to elastically press the holder into the hollow portion. In addition, it is preferable that both sides of each end of the first core material and the second core material are formed to be inclined. In addition, it is also possible to further include a work assisting device detachably installed at the end of the housing and supporting the driver tool to be maintained perpendicular to the work surface. The work assisting device may include a fastener formed with a coupling groove into which an end of the housing is inserted and coupled to a central portion thereof, and a support tool extended to a predetermined length from an outer circumference of the fastener and supported on a working surface. In addition, it may further include a lighting device installed in the work aid. Here, the lighting device may include a LED bulb installed in the lower portion of the binding port, and a switch connected to a power supply source and operatively installed outside the binding port to control the power supplied to the LED bulb. In addition, the support is preferably formed of a transparent material.

The driver tool according to the present invention configured as described above can be easily and quickly converted into a -shape and a + shape core in one operation, which is not only convenient but also improves workability. In addition, the driver tool has a structure in which the -shaped core material and the + -shaped core material are built, and there is no risk of loss or loss. Since the driver tool is provided with its own lighting device, it is possible to use it at night or in dark places. In addition, the driver tool of the present invention can easily maintain the vertical state can be easily fastened to the fastening member vertically, thereby improving the work efficiency and assembly quality.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a perspective view of the driver tool according to the present invention, Figure 4 is a perspective view of a separate work aids of the driver tool according to the present invention. 5 is a partial perspective view of a state in which the driver tool according to the present invention has a -shaped core, and FIG. 6 is a partial perspective view of a state in which the driver tool according to the present invention has a + -shaped core. 7 is a sectional view of a state in which the driver tool according to the present invention has a -shaped core material, and FIG. 8 is a sectional view of a state in which the driver tool according to the present invention has a + -shaped core material.

As shown in FIGS. 3 to 8, the driver tool 50 according to the present invention has a housing 52 having an external shape and a hollow portion formed therein, and a holder 60 installed in the hollow portion of the housing 52. ). In addition, the end of the driver tool 50 is detachably coupled to the work assistant 100 to help work vertically to the working surface.

As for the driver tool 50 comprised in this way, the 1st core material 62 formed in the shape of-in the front-end | tip of the said housing 52 is provided. The holder 60 is installed to be reciprocated in the longitudinal direction in the hollow portion of the housing 52. In addition, the holder 60 is provided with a second core 64 protruding to the outside of the housing 52. The second core 64 protrudes outwardly of the housing 52 when the holder 60 moves to the end of the hollow portion.

The second core 64 is coupled in a direction perpendicular to the first core 62 to form a + shape. To this end, a slit groove 54 is formed at the end of the housing 52 so that the second core 64 can pass therethrough.

The first core material 62 may be integrally fixed to the front end of the housing 52. On the other hand, the first core 62 is installed in a separate disc portion, it may protrude to the outside of the housing 52. In addition, the disc portion is fixed to the hollow portion, thereby suppressing free rotation. On the other hand, the disc portion is formed with a slit groove 54 through which the second core 64 can penetrate, so that the second core 64 penetrates through the disc and the first core 62 and the first core 62. It is also possible to combine vertically and form a + character.

The driver tool 50 further comprises a lever 66 for reciprocating the holder 60 in the hollow part. The lever 66 protrudes outward of the housing 52 and is installed to move the holder 60. To this end, the housing 52 is formed with a guide groove 56 penetrating in the longitudinal direction to guide the movement of the lever 66. In addition, lever seating grooves 56a and 56b bent in the circumferential direction may be formed at both ends of the guide groove 56.

The lever seating grooves 56a and 56b may rotate and seat the lever 66 moving along the guide groove 56, thereby limiting the reciprocating movement of the lever 66.

Meanwhile, a spring 58 is provided between the hollow end portion of the housing 52 and the holder 60, and the holder 60 is elastically pressed into the hollow part by the spring 58.

The holder 60 is rotatably contacted with the holder bunch 68 provided inside the hollow part. In addition, the lever 66 is fixed to the holder bundle 68. In addition, when the lever 66 moves along the guide groove 56, the spring 58 is compressed and the holder bundle 68 and the holder 60 in contact with the spring are moved. When the lever 66 is rotated and inserted into the lever seating grooves 56a and 56b, the holder bundle 68 is supported by the lever 66 to be rearward by the elastic force of the spring 58. It is not pushed, thereby blocking the retraction of the holder (60).

On the other hand, the holder 60 is preferably limited to the rotation in order to couple the second core 64 perpendicular to the first core 62 during the reciprocating movement in the hollow portion. To this end, the holder 60 may be formed with at least one protrusion on the outer circumference. In addition, a rail groove may be formed in the hollow part to guide the movement up and down by inserting the protrusion.

The first core material 62 has an overall shape of the -shape to rotate the fastening member having a -shaped groove, and both sides may be inclined.

In addition, the second core 64 is cut in the middle so as to be coupled to the first core 62, both sides are formed to be inclined to correspond to the groove shape of the fastening member having a + -shaped groove.

In addition, the second core 64 is preferably formed to be inclined at the same angle as that of the general + -shaped driver tool 50, for example, about 60 °, and the first core 62 is the second core 64. It is preferable to form less inclination than the inclination angle of the). In addition, the first core 62 may protrude shorter than the protruding length of the second core 64.

That is, the first core material 62 is formed to have a shape capable of generating the maximum torque when the -shaped fastening member is rotated, and when combined with the second core 64, the groove portion of the + -shaped fastening member. It has a form that can be inserted.

The work assisting device 100 has a fastener 102 to which an end of the housing 52 is coupled to a central portion thereof, and a support 104 extending to a predetermined length from an outer circumferential portion of the fastener 102. .

The fastener 102 is formed with a coupling groove 103 in which an end of the housing 52 is inserted in the center portion. Preferably, the housing 52 has a stepped portion 52a stepped inwardly at a predetermined distance from the end thereof, and the fastener 102 is caught by the stepped portion 52a to limit excessive insertion.

In the work assisting device 100 configured as described above, when the fastening member is rotated using the driver tool 50 according to the present invention, the support tool 104 is supported on the working surface, and the driver tool 50 is vertical. Keep it at Therefore, when the user rotates the driver tool 50, it is maintained perpendicular to the fastening member, it is possible to assemble the fastening member at the correct position and angle.

In addition, the work assistant 100 may be further provided with a lighting device. Referring to Figure 9, which is a circuit diagram briefly showing the internal circuit of the work aids of the driver tool according to the present invention, the lighting device is an LED bulb installed in the lower portion of the fastener 102, and It has a switch 106 for controlling the operation of the LED bulb. The switch 106 is provided to be operable from the outside of the fastener 102.

In addition, the switch 106 is connected to a power source 108, 108 '. In addition, the switch 106 short-circuits the circuit connected to the power supply sources 108 and 108 'and controls the power supplied to the LED bulb 110 when the user operates the LED bulb 110. Can blink.

On the other hand, the support 104 is installed in the lower portion of the fastener 102 is preferably formed of a transparent member so that the user can see through the inside, accordingly, the LED bulb 110 when the lighting device is operating The light of the light spreads out and can spread the work surface widely.

As described above, the driver tool according to the present invention has been described with reference to the illustrated drawings, but the present invention is not limited to the embodiments and drawings described above, and the present invention is within the scope of the appended claims. Of course, various modifications and variations can be made by those skilled in the art.

For example, in the embodiment of the present invention, the work assisting device 100 is described as being fixed to the end of the housing 52, but is not limited thereto and is also provided to be movable in a predetermined length at the end of the housing 52. It is possible.

To this end, an elastic member (not shown) may be further installed between the stepped portion 52a and the binding hole 102. The elastic member is compressed by the work assisting device 100 according to the inserted length of the fastening member when the driver tool 50 is rotated.

Therefore, the driver tool 50 can always maintain a vertical state even when the fastening member is inserted into the work object at a predetermined depth.

More preferably, a first spiral portion may be formed at an outer circumferential portion of the housing 52. The first spiral portion is formed in a predetermined section upward from the end of the housing 52. In addition, the binding hole 102 of the work assisting device 100 may have a second spiral portion which is engaged with the first spiral portion at an inner circumference of the coupling groove coupled to the housing 52.

Thus, when the driver tool 50 is rotated to insert the fastening member, the work assisting device 100 rotates the binding hole 102 of the work aiding device 100 in the direction of rotation of the driver tool 50. And rotates in the opposite direction to guide the driver tool 50 in the vertical state.

In this way, the driver tool 50 of the present invention can be quickly replaced with a -shape and a + shape with a single operation, and is provided with its own lighting device, so that it can be used at night or in dark places. In addition, the driver tool 50 of the present invention can easily maintain the vertical state, it is easy to fasten the fastening member vertically.

In addition, in the embodiment of the present invention, the spring 58 is installed at the front end of the holder 60 so that the holder 60 is pressed into the housing 52, and thus the driver tool ( 50 is reversed in a state where no force is applied, and takes the form of a -shaped driver tool 50, but it is also possible to install the spring 58 at the rear end of the holder 60.

As such, when the spring 58 is located at the rear end of the holder 60, the holder 60 is constantly pushed by the spring 58, thereby + + driver tool 50 Will maintain the form of.

1 is a perspective view of a state in which a driver tool according to the prior art is separated

2 is a perspective view of a state in which a driver tool is separated according to another embodiment of the prior art

3 is a perspective view of a screwdriver tool according to the invention.

Figure 4 is a perspective view of the separated work aids of the driver tool according to the present invention.

5 is a perspective view of a state in which the driver tool according to the present invention has a -shaped core material.

6 is a perspective view of a driver tool according to the present invention having a + -shaped core material.

Fig. 7 (a) is a sectional view of a state in which a driver tool according to the present invention has a -shaped core material, and (b) is a sectional view of an A-A line.

(A) is sectional drawing of the state which the driver tool which concerns on this invention has a + -shaped core material, (b) is sectional drawing of the B-B line | wire.

9 is a circuit diagram schematically showing an internal circuit of the work aid of the driver tool according to the present invention.

Claims

A housing having a hollow portion formed therein with a first core-shaped core member;

And a holder installed in the hollow portion of the housing so as to be reciprocated, the holder having a second core material coupled to the first core material in a direction perpendicular to the first core material and having a + shape coupled to the front end thereof. tool

The method according to claim 1,

Further comprising a lever projecting out of the housing to reciprocate the holder,

And a guide groove formed to penetrate the housing and guide the movement of the lever.

The method according to claim 2,

The guide groove is a driver tool, characterized in that the lever seating grooves circumferentially formed at both ends in the longitudinal direction.

The method according to claim 2 or 3,

The lever is a driver tool, characterized in that installed in the holder bundle (68) rotatably contacting one end of the holder.

The method according to any one of claims 1 to 3,

The holder has at least one protrusion formed on the outer circumference,

And a rail groove in which the protrusion is inserted and moved in the hollow portion of the housing.

The method according to any one of claims 1 to 3,

And a spring installed between an end portion of the hollow portion of the housing and the holder to elastically press the holder into the hollow portion.

The method according to any one of claims 1 to 3,

The first core material and the second core material is a driver tool, characterized in that both sides of each end formed inclined.

The method according to any one of claims 1 to 3,

And a work assisting device detachably installed at an end of the housing and supporting the driver tool so as to be maintained perpendicular to the working surface.

The method according to claim 8,

The work assisting device includes a binding hole in which an end of the housing is inserted into and coupled to a central portion thereof,

And a support tool extended to a predetermined length from the outer circumference of the binder and supported on the working surface.

The method according to claim 9,

And a lighting apparatus installed in the work assisting apparatus.

The method according to claim 10,

The lighting device is an LED bulb installed in the lower portion of the binding hole,

And a switch connected to a power supply source, the switch being operably installed on an outer side of the binder to control power supplied to the LED bulb.

The method according to claim 9,

The support tool is a driver tool, characterized in that formed by a transparent member.