TWI499486B - Screwdriver - Google Patents

Description

Screwdriver tool structure

The invention relates to a screwdriver tool structure, in particular to quick assembly or separation of the screwdriver head and the handle, and convenient replacement of different screwdriver heads.

Press, generally used to lock and loosen the screwdriver tool A. As shown in the first figure, the handle A1 and the screwdriver head A2 are mostly fixed together, so it is necessary to prepare a plurality of screwdrivers for different working ends. The working end of the general screwdriver tool is provided with a shape of a shape, a cross, a hexagonal socket or an outer hexagon, etc., and can be used for screwing or loosening different objects, so it is necessary to carry a plurality of screwdriver tools at the same time while carrying It is extremely inconvenient.

The present invention is directed to providing a deficiencies that can be effectively addressed in the use of conventional screwdriver tools.

The main object of the present invention is to provide a screwdriver tool structure which can be used for replacement and assembly of different screwdriver heads, and the screwdriver head can be stably assembled in the handle to increase the torsion force during the force application operation.

The structure of the screwdriver tool of the present invention is composed of a handle, a fastening component, an adjusting component and a screwdriver head, wherein at least one fastening block is protruded from the lower end of the handle, and the fastening block is provided The utility model has an inset hole, and the fastening component is disposed on the lower end of the handle, the fastening The inlay is disposed on the bottom of the handle, and the adjusting member is disposed on the lower end of the handle, and the adjusting member is sleeved on the fastening member. There is at least one snapping block, the screwdriver head is inserted into the lower end of the handle, the screwdriver head is provided with a metal rod made of a metal material, and the lower end of the driver shaft is set as a working end, the screwdriver rod The upper end of the body is set as a flat fixed end, and the other part of the body is covered with a covering layer made of an electrically insulating material except for the working end, and a positioning block is arranged in the middle of the covering layer. A positioning slot is disposed above the positioning block, and the positioning slot is configured to be engaged by the latching block of the adjusting member; the feature is: the handle is provided with a concave surface, and the concave surface is provided with a chamber. The lower end of the chamber is provided with a circular through hole, and the lower end of the circular through hole is provided with a receiving groove for the fastening member, and a fixing member is disposed in the housing of the handle, the fixing member a polygonal card receiving hole is arranged on the concave surface of the handle, and the starting head is fixed The upper part of the slot is provided with a cylindrical insertion rod, and the insertion rod is inserted into the circular perforation of the handle, and a card with a polygonal shape similar to the fastening hole of the fixing member is disposed above the insertion rod The engaging portion is inserted into the engaging hole of the fixing member.

In the structure of the screwdriver tool of the present invention, the periphery of the concave surface of the handle is provided with a ring groove, and the ring groove is provided for the periphery of the cover plate.

In the structure of the screwdriver tool of the present invention, a plurality of latching teeth are arranged on the outer wall surface of the fixing member, and the latching teeth are provided for the fixing member to be locked in the housing of the grip without coming out.

In the structure of the screwdriver tool of the present invention, the outer peripheral surface of the cover plate is provided with a latching convex body, and the latching body is locked on the wall surface of the ring groove of the handle, and the cover plate can be firmly fixed to the cover plate. Inside the concave surface of the handle.

The utility model has the advantages that the single-handle can be used for different screwdrivers to be assembled and used, and is extremely convenient and quick to assemble, and can be conveniently carried and used.

A‧‧‧ screwdriver tool

A1‧‧‧ grip

A2‧‧‧ screwdriver head

1‧‧‧Handle

10‧‧‧ concave

11‧‧‧ Ring groove

12‧‧ ‧ room

13‧‧‧Circular perforation

14‧‧‧ 容容

15‧‧‧Clock block

16‧‧‧Inlay hole

2‧‧‧Deductions

20‧‧‧Connecting Department

21‧‧‧ Sockets

22‧‧‧ Groove

23‧‧‧Inlay

24‧‧‧Guide

25‧‧‧ 缘缘

3‧‧‧Adjustment

30‧‧‧Perforation

31‧‧‧ card offset block

4‧‧‧Fixed parts

40‧‧‧ card hole

41‧‧‧ card teeth

5‧‧‧ Cover

50‧‧‧Cars convex

6‧‧‧ screwdriver head

60‧‧‧ screwdriver rod

61‧‧‧Working end

62‧‧‧ fixed end

63‧‧‧coating

64‧‧‧Positioning body

65‧‧‧ Positioning slot

66‧‧‧Pull rod

67‧‧‧ card joint

The first figure shows a perspective view of a conventional screwdriver tool.

The second figure is a perspective exploded view of an embodiment of the present invention.

The third figure is a three-dimensional combination diagram of an embodiment of the present invention.

The fourth figure is a combined cross-sectional view of an embodiment of the present invention.

The fifth figure shows a combined sectional view of the driver's head attached to the handle according to the embodiment of the present invention.

Figure 6 is a partial cross-sectional view showing the handle of the embodiment of the present invention.

FIG. 7 is a schematic cross-sectional view showing the buckle member and the adjusting member being fastened to the driver's head according to the embodiment of the present invention.

FIG. 8 is a schematic cross-sectional view showing the buckle and the adjusting member and the driver's head being unbuckled according to an embodiment of the present invention.

The ninth figure is a schematic cross-sectional view of the replacement of the screwdriver head when the embodiment of the present invention is unfastened.

For the purpose of the present invention, the preferred embodiments of the present invention are set forth in the accompanying drawings, and the detailed description is as follows: For the embodiment of the present invention, refer to the second figure. As shown, a handle 1 is mainly provided. The handle 1 is provided with a concave surface 10. The periphery of the concave surface 10 is provided with a ring groove 11. The concave surface 10 is provided with a chamber 12, and a lower end of the chamber 12 is provided with a a circular through hole 13 is formed in the lower end of the circular through hole 13 . The lower end of the handle 1 is provided with at least one fastening block 15 . The fastening block 15 is provided with an inset hole 16 . The connecting member 2 is disposed at a lower end of the handle 1. The fastening member 2 is provided with a connecting portion 20, and the connecting portion 20 is provided therein. An insertion hole 21 is disposed at a lower end of the insertion hole 21, and at least one inlay 23 is disposed on the outer wall surface of the connecting portion 20, and at least one guiding groove 24 is disposed on the wall surface of the connecting portion 20, The lower end of the fastening member 2 is provided with a retaining edge 25; an adjusting member 3 is disposed at the lower end of the handle 1, and is sleeved on the connecting portion 20 of the fastening member 2, and the adjusting member 3 is provided with a The through hole 30 is provided with at least one latching block 31 in the through hole 30 of the adjusting member 3; a fixing member 4 is disposed in the housing 12 of the handle 1, and the fixing member 4 is provided with a polygonal snap hole. The outer surface of the fixing member 4 is provided with a plurality of latching teeth 41; a cover plate 5 is disposed on the concave surface 10 of the handle 1, the outer peripheral surface of the cover plate 5 is provided with a plurality of latching projections 50; The driver's head 6 is inserted into the lower end of the handle 1. The driver's head 6 is provided with a driver shaft 60 made of a metal material. The lower end of the driver shaft 60 is a working end 61. The working end 61 is provided. The utility model can be configured as a flat shape, a cross shape, an inner hexagon shape, an outer hexagon shape, etc., and the upper end of the screwdriver rod body 60 is formed into a flat fixed end 62, which is different from the working end 61. The portion is covered with a coating layer 63 made of an electrically insulating material. The middle portion of the coating layer 63 is provided with a positioning block 64. The positioning block 64 is provided with a positioning recess 65. The positioning slot 65 is provided. The upper part is provided with a cylindrical insertion rod 66. The insertion rod 66 is provided with a polygonal locking portion 67 which is shaped like the engaging hole 40 of the fixing member 4, and thus is a sub-tool structure.

When assembling, please refer to the second to sixth figures. First, the fixing member 4 is placed in the chamber 12 of the handle 1, and the latch 41 provided on the outer wall surface of the fixing member 4 is fastened to the handle. The wall of the chamber 12 can be fixedly fixed in the chamber 12 of the handle 1 without sliding or coming out, and the cover 5 is placed on the concave surface 10 of the handle 1, and the cover is covered. The periphery of the plate 5 is disposed in the annular groove 11 around the concave surface 10 of the handle 1, and the cover convex portion 50 of the outer peripheral surface of the cover plate 5 is tightly held in the ring groove 11 of the handle 1, and the cover can be covered. The plate 5 is firmly fixed on the handle 1, and the adjusting member 3 is sleeved on the connecting portion 20 of the fastening member 2 to adjust The latching block 31 of the component 3 is disposed in the guiding slot 24 of the fastening component 2, and the fastening component 2 and the adjusting component 3 are assembled on the lower end of the handle 1, so that the connecting portion 20 of the fastening component 2 is set. In the recess 14 of the handle 1, the inlay 23 of the fastening member 2 is embedded in the locking hole 16 of the handle 1, and the adjusting member 3 is received by the retaining edge 25 of the fastening member 2 and the handle 1. The lower end end is positioned to be positioned, so that the assembly of the handle 1 can be completed; when the screwdriver head 6 is to be set on the handle 1, the insertion rod 66 of the screwdriver head 6 only needs to be inserted into the fastening member. The insertion hole 21 of the 2 and the circular through hole 13 of the handle 1 are inserted into the engaging hole 40 of the fixing member 4 by the polygonal engaging portion of the upper end of the screwdriver head 6 67 and the polygonal locking holes 40 of the fixing member 4 disposed in the handle 1 are positioned with each other, and the card abutting block 31 of the adjusting member 3 is embedded in the positioning recess 65 of the screwdriver head 6 to be The screwdriver head 6 is firmly fixed to the lower end of the grip 1, so that the overall assembly can be completed.

When the screwdriver head 6 is to be replaced, please refer to the fifth, seventh to ninth diagrams, and the adjusting member 3 is rotated on the fastening member 2, and the card abutting block 31 in the adjusting member 3 is guided by the guiding groove 24 of the fastening member 2. The guide of the wall is outwardly moved to be in an elastically contracted state (as shown in the eighth figure), the card abuts the block 31 and is separated from the positioning recess 65 of the bit 6 of the bit 6, and the bit 6 is no longer subjected to the abutment 31 of the adjusting member 3. The other part of the screwdriver head 6 and the insertion rod 66 can be directly inserted into the buckle. The insertion hole 21 of the piece 2 is in the circular through hole 13 of the handle 1, and the insertion rod 66 of the screwdriver head 6 pushes the card abutting block 31 of the adjusting member 3 outward to push it into an elastic compression state. After the latching portion 67 is completely disposed in the latching hole 40 of the fixing member 4, the positioning recess 65 of the screwdriver head 6 is aligned with the position of the latching block 31 of the adjusting member 3, and the latching block 31 is elastic. Retrieving and embedding in the positioning slot 65 of the screwdriver head 6 (as shown in the fifth and seventh figures), the screwdriver head 6 can be firmly fastened under the handle 1, and the latching portion 67 of the screwdriver head 6 is The fixing hole 4 is fixed in the fixing hole 4 6 to complete the replacement of the bit, such as Therefore, the single handle 1 can be used for replacement and assembly of different screwdriver heads 6, which is extremely convenient, fast, and convenient to carry and use, and the polygonal snap hole 40 of the fixing member 4 provided in the handle 1 is provided. Corresponding to the polygonal latching portions 67 provided at the upper end of the screwdriver head 6 and locking each other, the screwdriver head 6 can be prevented from rotating in the grip 1, and the operation of the screwdriver head 6 after the gripper 1 is assembled can be increased. The best torque.

In view of the above, the present invention has achieved the intended use and efficacy, and is more desirable and practical than the prior art, but the above embodiments are only specifically described for the preferred embodiment of the present invention. The present invention is not intended to limit the scope of the invention, and all other equivalents and modifications may be included in the scope of the invention covered by the invention.

<A1Ex>

1‧‧‧Handle

10‧‧‧ concave

11‧‧‧ Ring groove

12‧‧ ‧ room

13‧‧‧Circular perforation

14‧‧‧ 容容

15‧‧‧Clock block

16‧‧‧Inlay hole

2‧‧‧Deductions

20‧‧‧Connecting Department

21‧‧‧ Sockets

22‧‧‧ Groove

23‧‧‧Inlay

24‧‧‧Guide

25‧‧‧ 缘缘

3‧‧‧Adjustment

30‧‧‧Perforation

31‧‧‧ card offset block

4‧‧‧Fixed parts

40‧‧‧ card hole

41‧‧‧ card teeth

5‧‧‧ Cover

50‧‧‧Cars convex

6‧‧‧ screwdriver head

60‧‧‧ screwdriver rod

61‧‧‧Working end

62‧‧‧ fixed end

63‧‧‧coating

64‧‧‧Positioning body

65‧‧‧ Positioning slot

66‧‧‧Pull rod

67‧‧‧ card joint

Claims (4)

The utility model relates to a screwdriver tool structure, which is composed of a handle, a fastening component, an adjusting component and a screwdriver head, wherein at least one fastening block is protruded from the lower end of the handle, and the fastening block is embedded a fastening hole is disposed on the lower end of the handle, and the fastening component is provided with an inlay embedded with the locking hole of the handle, and the adjusting component is disposed at the lower end of the handle The adjusting member is sleeved on the fastening member, and the adjusting member is provided with at least one latching block, the screwdriver head is inserted into the lower end of the handle, and the screwdriver head is provided with a metal material. a driver shaft, the lower end of the driver shaft is a working end, and the upper end of the driver shaft is a flat fixed end, and the driver shaft is covered with an electrically insulating material except for the working end. a locating layer is formed in the middle of the lining layer, and a positioning locating body is disposed on the middle of the locating layer, and the positioning locating groove is provided with a positioning lacing groove for positioning the card abutting block of the adjusting member; The feature is: the handle is provided with a concave surface, the concave surface is provided with a chamber, and a lower end of the chamber is provided with a a perforation, the lower end of the circular perforation is provided with a receiving groove, the receiving groove is provided for the fastening member, and a fixing member is disposed in the cavity of the handle, and the fixing member is provided with a polygonal fastening hole a cover plate is disposed on the concave surface of the handle, and the upper portion of the positioning recess of the screwdriver head is provided with a cylindrical insertion rod, and the insertion rod is inserted into the circular perforation of the handle, the insertion A latching portion having a polygonal shape similar to the engaging hole of the fixing member is disposed above the connecting rod, and the engaging portion is inserted into the engaging hole of the fixing member. The screwdriver tool structure of claim 1, wherein the concave periphery of the handle is provided with a ring groove for the periphery of the cover. The screwdriver tool structure of claim 1, wherein the fixing member has a plurality of teeth on the outer wall surface. The structure of the screwdriver tool according to the first aspect of the invention, wherein the outer peripheral surface of the cover plate is provided with a latching protrusion.