TWI548496B - Replaceable drill tool connected to a head of screwdriver - Google Patents

Description

Replacement bit tool attached to the screwdriver bit

The present invention is related to bit tools, and more particularly to an alternative bit tool attached to a bit.

Press, when you want to use the power tool to install the screwdriver head to lock the screw action, the Metropolis first drills an assembly hole on the work object so that the screw can be screwed smoothly, but the power tool can only be clamped at a time. A tool (drill bit or screwdriver head), so the operator needs to perform the action of removing the drill bit or the screwdriver head from time to time, resulting in great inconvenience in operation.

Therefore, the certificate number M265168, as shown in FIG. 1, discloses a sleeve 1 which is sleeved at one end with a screwdriver head. The screwdriver head is assembled on a power tool (not shown), and the sleeve 1 is provided at one end. The utility model has a resilient collet 18 with a positioning unit 2 at the other end; a locking nut 3 is screwed to the outside of the elastic collet 18, and a drill bit 4 is inserted into the sleeve 1 to rotate the The locking nut 3 presses the elastic collet 18 to clamp the drill bit 4, and after the drill hole 4 is drilled into the working hole, the sleeve 1 is separated from the screwdriver head, thereby The power tool is connected to the driver's head to screw the screw to the assembly hole.

Although the above-mentioned conventional patent can solve the problem that the drill bit and the screwdriver bit need to be dismantled, in actual use, since the lock nut 3 needs to be screwed to the elastic collet 18, the elastic collet 18 can be forced to clamp. The drill bit 4, therefore, the size of the locking nut 3 must conform to the elastic collet 18, except that the size of the drill bit is also limited by the tightening nut 3, in other words, the original locking when the thicker drill bit is to be replaced The nut 3 cannot be used, so the overall use is not convenient.

And the certificate number M296114, as shown in FIG. 2, discloses a sleeve 5, a locking component 6 and a fixing device 7. The front end of the sleeve 5 is provided with a clamping portion 9 with a screw hole 8, the clamping The portion 9 is inserted into a drill bit, and the screw hole 8 of the clamping portion 9 is screwed to the shank of the shank portion. The fixing device 7 is composed of a movable beam tube 70, a spring 71, and a steel ball. 72 and a buckle 73 are formed, and the fixing device 7 is assembled in the rear portion of the sleeve 5.

Although the above-mentioned conventional patent can be quickly sleeved on the screwdriver head pre-clamped on the electric drill, the drill bit is driven by the screwdriver head, and the screwdriver is easily removed after drilling, and the overall assembly method is too The complexity, as well as the components of the fixing device 7, are also too complicated, in addition to the replacement of the drill bit, it is necessary to additionally use the tool to disassemble the locking element 6, so that the locking element 6 is separated from the original handle of the bit. Therefore, not only is the use cost increased, but the operation is extremely difficult.

Therefore, how to improve the lack of conventional products is the current primary research and development topic of the present invention.

The invention relates to an alternative drill tool connected to a screwdriver head, the main purpose of which is to provide a connecting member, the connecting member is sleeved with a hexagonal socket at one end and the other end is locked with a collet. The chuck holds a drill bit; thereby achieving easy assembly and effective cost reduction.

In order to achieve the above object, the present invention provides a replacement drill tool connected to a screwdriver head, comprising: a chuck, comprising a first body having a receiving space and a clamping hole, and a first body disposed on the first body a resilient clamping unit in the accommodating space, a push piece accommodating the accommodating space of the first body, and a second body locked to the first body and having a perforation, and the second body The perforation has an internal threaded section; a connecting member has a hexagonal sleeve hole formed at one end thereof, and the outer wall has a positioning hole, the positioning hole penetrates through the hexagonal sleeve hole, and the positioning hole is provided with a positioning hole The positioning member, and the other end of the connecting member is provided with an external thread segment and the internal thread segment of the second body are screwed together, and the connecting member is passed through the through hole and is in contact with the push piece; a fixing ring is elastic The through hole is disposed on the connecting member, and the through hole is provided with a through hole corresponding to the positioning member, the through hole is for the outer edge of the positioning member to protrude from the fixing ring, so that the fixing ring is elastically pressed against The positioning member; and the elastic clamping unit The at least one clamping portion and each of the clamping portions are connected to each other by an elastic member, and the elastic clamping unit is pressed by the pushing piece into the receiving space of the first body to the clamping hole Move toward and out of the hole.

In an embodiment, each of the clip portions has a receiving hole for receiving the elastic member.

In order to enable your review committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following for a brief description of the following:

Referring to Figures 3-6, an embodiment of the present invention is an alternative bit tool attached to a screwdriver bit, comprising:

a chuck 10 includes a first body 11 having a receiving space 110 and a clamping hole 111, and a resilient clamping unit 12 received in the receiving space 110 of the first body 11. a pusher 13 in the accommodating space 110 of the first body 11 and a second body 14 locked to the first body 10 and having a through hole 140, and the through hole 140 of the second body 14 has an internal thread Segment 1400;

A connecting member 20 has a hexagonal sleeve hole 21 formed therein, and the outer wall has a positioning hole 22. The positioning hole 22 extends through the hexagonal socket hole 21, and the positioning hole 21 receives a positioning. The member 23 (in the present embodiment is a steel ball), and the other end of the connecting member 20 is provided with an externally threaded section 24 and the inner threaded section 1400 of the second body 14 are screwed together, and the connecting member 20 is passed through. The through hole 140 of the second body 14 is in contact with the push piece 13;

A fixing ring 30 is elastically sleeved on the connecting member 20, and the fixing ring 30 is provided with a through hole 31 corresponding to the positioning member 23, and the through hole 31 is provided for a part of the outer edge of the positioning member 23. The fixing ring 30 is protruded to elastically press the fixing ring 30 against the positioning member 23;

The elastic clamping unit 12 is composed of at least one clamping portion 120 and each of the clamping portions 120 is connected to each other by an elastic member 121 (in this embodiment, a spring), wherein each of the clamping portions 120 has An accommodating hole 1200 is accommodating the elastic member 12, and the elastic clamping unit 12 is pushed by the pusher 13 to move in the accommodating space 110 of the first body 11 toward the clamping hole 111. The clip hole 111 is worn out.

Further explaining the operation of the present invention is as follows:

The connecting member 20 of the present invention is respectively sleeved to the sub-head 40 (which is hexagonal) and screwed to the collet 10 by the hexagonal sleeve hole 21 and the external thread segment 24 at both ends, respectively, and the screwdriver head 40 When the sleeve is inserted into the hexagonal sleeve hole 21 of the connecting member 20, the positioning member 23 is pressed against the fixing member 30, and the positioning member 23 presses against the driver head 40 to prevent the driver head 40 from falling off. And the screwdriver head 40 is clamped to a power tool 50, and the chuck 10 is passed through the clamping hole 111 by the elastic clamping unit 12 and clamps a drill bit 60, according to which the invention is assembled. The replacement drill tool uses the drill bit 60 to drill an assembly hole (not shown) on a workpiece, and then the connector 20 is disengaged from the driver head 40, and the power tool 50 can be utilized. The clamped screwdriver head 40 screws the screw into the assembly hole;

The invention has the characteristics of simple operation and quick disassembly, and is screwed into the second body 14 by the connecting member 20 and is in contact with the push piece 13 if the elastic clip of the collet 10 is to be used. When the tightening unit 12 completely clamps the drill bit 60, the connecting member 20 is continuously spiraled and pushes the push piece 13 to drive the push piece 13 to push the elastic clamping unit 12 synchronously, so that the elastic clamping unit 12 is subjected to the elastic clamping unit 12 The pushing piece 13 is pushed in the accommodating space 110 of the first body 11 and moves toward the clamping hole 111 and passes through the clamping hole 111, and moves the elastic clamping unit 12 toward the clamping hole 111. The more the bit 60 is clamped; if the bit 60 is to be disassembled, the connecting member 20 is reversely screwed, so that the connecting member 20 is retracted from the push piece 13, and when the push piece 13 is not subjected to When the pressing force is applied, the elastic clamping unit 12 recovers by the elastic force of the elastic member 121, so that the elastic clamping unit 12 generates a resetting action, so that the elastic clamping unit 12 and the drill bit 60 are loosened and retracted into the clip. Within the bore 111, the purpose of disassembling the drill bit 60 is achieved.

In other words, the present invention only needs to utilize the screwing action of the connecting member 20 to cause the elastic clamping unit 12 of the collet 10 to be clamped or disengaged from the drill bit 60, and to perform the dynamic change operation of the drill bit 60 and the screwdriver bit 40. The hexagonal socket hole 21 of the connecting member 60 is only required to be disengaged from the screwdriver head 40 (in the shape of a hexagon), and the screwdriver head 40 held by the power tool 50 can be used to screw the screw. In the assembly hole.

In the above, the above embodiments and drawings are only the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, that is, the equivalent changes and modifications made by the scope of the present invention. It should be within the scope of the patent of the present invention.

<知知>
1‧‧‧ sleeve
2‧‧‧ Positioning unit
3‧‧‧Lock nut
4‧‧‧ drill bit
18‧‧‧Elastic collet
5‧‧‧ sleeve
6‧‧‧Locking components
7‧‧‧Fixed devices
70‧‧‧ activity bundle
71‧‧‧ Spring
72‧‧‧ steel balls
73‧‧‧ buckle
8‧‧‧ screw holes
9‧‧‧Clamping section <present invention>
10‧‧‧ chuck
110‧‧‧ accommodating space
111‧‧‧ pinhole
11‧‧‧First Ontology
12‧‧‧Flexible clamping unit
120‧‧‧Clamping
1200‧‧‧ accommodating holes
121‧‧‧Flexible components
13‧‧‧ Push
14‧‧‧Second ontology
140‧‧‧Perforation
1400‧‧‧Threaded section
20‧‧‧Connecting parts
21‧‧‧hex socket
22‧‧‧Positioning holes
23‧‧‧ Positioning parts
24‧‧‧ External thread section
30‧‧‧Fixed ring
31‧‧‧through hole
40‧‧‧ screwdriver head
50‧‧‧Power Tools
60‧‧‧ drill bit

Figure 1 is a conventional (a) exploded view. Figure 2 is a conventional (b) exploded view. Figure 3 is a perspective exploded view of the present invention. Figure 4 is a perspective assembled view of the present invention. Figure 5 is a cross-sectional view of the present invention. Figure 6 is a schematic view of the use of the present invention.

10‧‧‧ chuck

11‧‧‧First Ontology

111‧‧‧ pinhole

12‧‧‧Flexible clamping unit

120‧‧‧Clamping

1200‧‧‧ accommodating holes

121‧‧‧Flexible components

13‧‧‧ Push

14‧‧‧Second ontology

140‧‧‧Perforation

1400‧‧‧Threaded section

20‧‧‧Connecting parts

21‧‧‧hex socket

22‧‧‧Positioning holes

23‧‧‧ Positioning parts

24‧‧‧ External thread section

30‧‧‧Fixed ring

31‧‧‧through hole

Claims (7)

An alternative bit tool connected to a screwdriver bit, comprising: a chuck comprising a first body having a receiving space and a clamping hole, and an elastic clamping received in the receiving space of the first body The unit, a push piece that accommodates the accommodating space of the first body, and a second body that is locked to the first body and has a perforation, and the perforation of the second body has an internal thread segment; a connecting member has a hexagonal sleeve hole formed at one end thereof, and the outer wall has a positioning hole, the positioning hole penetrates through the hexagonal sleeve hole, and the positioning hole receives a positioning member, and the connector further One end is provided with an externally threaded section and the inner threaded section of the second body is screwed to each other, and the connecting member is passed through the through hole to contact the push piece; a fixing ring is elastically sleeved on the connecting piece, The fixing ring is provided with a through hole corresponding to the positioning member, the through hole is for the outer edge of the positioning member to protrude from the fixing ring, so that the fixing ring elastically presses the positioning member; and the elastic clamping The unit is composed of at least one clip and each of the clips The elastic clamping unit is configured to be connected to each other by an elastic member, and the elastic clamping unit is moved by the pushing piece to move into the clamping hole of the first body and pass through the clamping hole. The replacement drill tool of claim 1, wherein the positioning member is a steel ball. The replacement drill tool of claim 1, wherein the elastic component is a spring. The replacement drill bit tool of claim 1, wherein the hexagonal sleeve hole of the connector is sleeved together with the sub-head. The replacement drill tool of claim 4, wherein the one end of the driver is clamped to a power tool. The replacement drill tool of claim 1, wherein the elastic clamping unit passes through the clamp hole and holds a drill bit. The replacement drill tool of claim 1, wherein each of the clamp portions has a receiving hole for receiving the elastic member.