TW201318784A - Replaceable screwdriver - Google Patents

Abstract

The present invention provides a replaceable screwdriver, which generally comprises a handle, a fixing collar, and a screwdriver shaft. The handle comprises an insertion hole formed therein. The handle has an end on which projections are formed. A circumferential groove is formed around the projections. The projections define therebetween slits. The fixing collar is fit over the projections of the handle. The fixing collar has an inside surface that forms a positioning rim at an end thereon and a plurality of positioning blocks at an opposite end. The screwdriver shaft is mounted to the handle and the fixing collar. The screwdriver shaft has an end forming an insertion end and an opposite end forming an operation end. The screwdriver shaft comprises a positioning block formed thereon. The positioning block comprises a raised portion formed at one side thereof. The raised portion is fit into the fixing collar. The raised portion is provided with a circumferential slot. The raised portion comprises a retention block at a location corresponding to each slit of the projections of the handle. The raised block comprises a guide slot corresponding to each of the positioning blocks of the fixing collar and the guide slot extends to the circumferential slot. As such, a single handle allows easy and fast replacement of various screwdriver shafts of different types and sizes so as to reduce the storage space, be easy to carry and use, and save the cost of purchase.

Description

Replacement screwdriver

The invention relates to a replacement type screwdriver, in particular to a simple and quick replacement of various types and sizes of the driver rods on a single handle, which can reduce the space for placement, can be conveniently carried, and can save purchase. Cost.

According to the screw driver currently sold on the market, it is mainly composed of a sub-rod and a handle, and the working end of the driver rod is shaped to fit the groove of the screw head, such as a shape of a cross, a cross, Hexagon, ratchet or plum-shaped...etc. A screwdriver rod system with a handle. When using a screwdriver to screw or loosen a screw, you must prepare a variety of screws of different sizes and shapes. Screws, which are used in different positions, different sizes and different screw head groove shapes, must be replaced with different types and sizes of screws according to different types and sizes of screws, so it is extremely inconvenient to use, and at the same time Carrying a plurality of screwdrivers is extremely space-consuming and inconvenient to carry, and it is necessary to purchase various types and sizes of screwdrivers for use, and the purchase cost thereof is high; therefore, the inventors have in view of the fact that the general screwdriver has the above-mentioned missing, It is the research and improvement of the concentrating, and the invention can be first created.

The main object of the present invention is to provide a replacement screwdriver which can easily and quickly replace various types and sizes of the driver shaft, which can reduce the space for placement, can be conveniently carried and used, and can save the purchase cost.

The replacement screwdriver of the present invention comprises: a handle, the handle has a insertion hole therein, and one end of the handle is provided with a convex body, the convex body is provided with a ring groove, and the convex body is provided with a plurality of The fixing collar is sleeved on the convex body of the handle, one end edge of the inner wall surface of the fixing collar is provided with a positioning edge, and the other end edge is provided with a plurality of positioning inlays; the driver rod body is fastened On the handle and the fixed collar, one end of the driver rod body is set as a plug end, and the other end is set as a working end, and the starter rod body is provided with a positioning stop, and one side of the positioning block is provided with a convex The convex system is disposed in the fixing collar, and the convex body is provided with a ring groove, and the convex body is provided with a latching protrusion corresponding to each slot position on the convex body of the handle, the convex body Each of the positioning inlays corresponding to the fixing collar is provided with a guiding slot, and the guiding slot is connected to the annular groove.

The replacement screwdriver of the present invention, wherein the slit in the convex body of the grip is connected to the insertion hole.

For the purpose of the present invention, the preferred embodiments of the invention are as follows:

For the embodiment of the present invention, as shown in the first to fourth figures, the main body is provided with a handle 1, a fixed collar 2 and a sub-rod 3, wherein the handle 1 is provided with a plug hole. 10, one end of the handle 1 is provided with a convex body 11, the convex body 11 is provided with a ring groove 12, the convex body 11 is provided with a plurality of slots 13 connected to the insertion hole 10; a fixed collar 2, The sleeve is sleeved on the protrusion 11 of the handle 1. One end edge of the inner wall surface of the fixing collar 2 is provided with a positioning flange 20, and the other end edge is provided with a plurality of positioning inlays 21; The handle body 3 is disposed on the handle 1 and the fixed collar 2, and one end of the driver shaft 3 is a plug end 30, and the other end is a working end 31. The working end 31 is formed in a shape of a cross, a cross, and a sixth An angled, ratchet-shaped or plum-shaped shape, etc., the positioning rod 32 is provided with a positioning block 32, and one side of the positioning block 32 is provided with a convex body 33, and the convex body 33 is attached to the fixing collar 2, the convex body 33 is provided with a ring groove 34. The convex body 33 is provided with a latching protrusion 35 corresponding to each of the slots 13 on the convex body 11 of the handle 1, and the latching bump 35 is provided. Corresponding to the fixed collar 2 Each of the positioning inlays 21 is provided with a guiding groove 36, and the guiding groove 36 is connected to the annular groove 34, so that it is a replacement screwdriver structure.

When assembling, please refer to the first to fourth figures. First, the fixing collar 2 is sleeved on the convex body 11 of the handle 1, so that the positioning flange 20 in the fixing collar 2 is embedded on the convex body 11. In the ring groove 12, the fixing collar 2 is fixed on the convex body 11 of the handle 1, and can be rotated on the convex body 11, and then the driver shaft 3 to be used is selected, and the driver rod body 3 is inserted. The end 30 is inserted into the fixing collar 2 and the insertion hole 10 of the handle 1. The positioning inlay 21 in the fixing collar 2 is along the guiding groove 36 of the latching projection 35 of the driver shaft 3. Sliding into the ring groove 34, and the latching projection 35 of the driver shaft 3 is locked in the slot 13 on the protrusion 11 of the handle 1, and then rotating the fixing collar 2 by an angle to fix The positioning inlay 21 on the collar 2 is then disposed in the ring groove 34 by being rotated and disengaged from the guiding groove 36. The driving rod body 3 can be fixed on the handle 1 by the fixing collar 2, thus The whole assembly can be completed, and the assembly is very convenient and fast.

When using, please refer to the first to fourth figures, the user only needs to select the same as the shape of the screw head of the screw head to be screwed or unscrewed, and the driver rod body 3 is inserted in the above assembly manner. Connected to the handle 1, it can be used. If the driver shaft 3 is to be replaced, only the fixed collar 2 must be reversely rotated, so that the positioning inlay 21 in the fixed collar 2 is rotated and aligned with The guide groove 36 on the latching projection 35 of the driver shaft 3, the positioning inlay 21 of the fixing collar 2 is no longer embedded in the ring groove 34 of the driver shaft 3, and the driver shaft 3 can be self-grip The handle 1 is pulled out and replaced outwards. Thus, the screwdriver body 3 of various types and sizes can be conveniently and quickly replaced on the single handle 1, which can reduce the space for the screwdriver, can be conveniently carried and can be saved. The cost of purchasing multiple screwdrivers.

Another embodiment of the present invention, as shown in the fifth and sixth figures, is mainly composed of a handle 4, a fixed collar 2 and a sub-rod 5, wherein the handle 4 is provided with a plug. The boring 40 is provided with a convex body 41 at one end of the handle 4. The convex body 41 is provided with a ring groove 42. The convex body 41 is provided with a plurality of slots 43. A fixing collar 2 is sleeved on the shank On the convex body 41 of the handle 4, one end edge of the inner wall surface of the fixing collar 2 is provided with a positioning flange 20, and the other end edge is provided with a plurality of positioning inlays 21; together with the sub-rod 5, is attached to the handle 4 and the fixing collar 2, one end of the driver shaft 5 is a plug end 50, and the other end is a working end 51, and the working end 51 is formed in a shape of a cross, a cross, a hexagon, a ratchet Or a plume shape, etc., the positioning rod 52 is provided with a positioning block 52, and one side of the positioning block 52 is provided with a convex body 53, and the convex body 53 is disposed in the fixing collar 2, and the convex body The body 53 is provided with a ring groove 54. The convex body 53 is provided with a latching protrusion 55 corresponding to the position of each slot 43 on the convex body 41 of the handle 4, and the protrusion 53 corresponds to the fixing collar. 2 positioning inlay 21 position Each of the guide grooves 56 is connected to the ring groove 54 so as to be another replacement type screwdriver structure; as shown in the above embodiment, the driver rod 5 is inserted by the fixing collar 2 The utility model can be conveniently and quickly replaced on the single handle 4, and the screwdriver rod body 5 of different types and sizes can be conveniently and quickly replaced, which can reduce the space for the screw driver to be conveniently carried and used. Save on the cost of purchasing multiple screwdrivers.

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.

1. . . Grip

10. . . Plug hole

11. . . Protrusion

12. . . Ring groove

13. . . Grooving

2. . . Fixed collar

20. . . Positioning

twenty one. . . Positioning inlay

3. . . Screwdriver body

30. . . Plug end

31. . . Working end

32. . . Positioning block

33. . . Protrusion

34. . . Ring groove

35. . . Cartridge bump

36. . . Guide slot

4. . . Grip

40. . . Plug hole

41. . . Protrusion

42. . . Ring groove

43. . . Grooving

5. . . Screwdriver body

50. . . Plug end

51. . . Working end

52. . . Positioning stop

53. . . Protrusion

54. . . Ring groove

55. . . Cartridge bump

56. . . Guide slot

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

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

Figure 6 is a cross-sectional view showing a combination of another embodiment of the present invention.

1. . . Grip

10. . . Plug hole

11. . . Protrusion

12. . . Ring groove

13. . . Grooving

2. . . Fixed collar

20. . . Positioning

twenty one. . . Positioning inlay

3. . . Screwdriver body

30. . . Plug end

31. . . Working end

32. . . Positioning stop

33. . . Protrusion

34. . . Ring groove

35. . . Cartridge bump

36. . . Guide slot

Claims (2)

A replacement screwdriver, including:
a handle, the handle is provided with a insertion hole, one end of the handle is provided with a convex body, the convex body is provided with a ring groove, and the convex body is provided with a plurality of slots;
The fixing collar is sleeved on the convex body of the handle, one end edge of the inner wall surface of the fixing collar is provided with a positioning edge, and the other end edge is provided with a plurality of positioning inlays;
The driver shaft is disposed on the handle and the fixed collar. One end of the driver shaft is configured as a plug end, and the other end is a working end. The driver rod body is provided with a positioning block, and the positioning block is provided with a positioning block. One side is provided with a convex body, and the convex system is disposed in the fixing collar. The convex body is provided with a ring groove, and the convex body is provided with a card corresponding to each slot position on the convex body of the handle And a guiding groove corresponding to the fixing inlay of the fixing collar, wherein the guiding groove is connected to the ring groove. The replacement screwdriver according to claim 1, wherein the slit in the convex body of the handle is connected to the insertion hole.