TWM524770U - Tool joint - Google Patents

Description

Tool connector

The present invention relates to a tool joint, and more particularly to a tool joint that can be used with tool heads of different shapes.

Existing tools, such as hand tools, pneumatic or electric tools, usually have a joint at their output to match different shapes of tool heads, such as screwdriver heads, to match different shapes of heads for different processing. For the operation, as shown in FIG. 7 and FIG. 8 , the existing tool joint includes a tubular body 60. The body 60 is provided with a coupling hole 62. The coupling hole 62 generally has a square cross section, thereby being matched with the coupling hole 62. A tool head 70 is inserted into the body 60 to drive the tool head 70 to rotate through the body 60 to perform a predetermined machining operation.

However, the coupling hole 62 of the conventional tool joint can only fit the tool head 70 of a cross-sectional shape, and the tool head 70 of different cross-sectional shapes cannot be fitted, and there are many limitations in use, which is necessary for further improvement.

Therefore, in view of the existing tool joint structure and the deficiencies in its use, the creator has finally developed a new type of model that can improve the existing defects through continuous experimentation and research.

The main purpose of the present invention is to provide a tool joint that can be fitted with a tool head of different cross-sectional shapes, thereby achieving the purpose of improving the flexibility and practicability of the tool joint.

In order to achieve the above object, the present invention provides a tool joint, comprising: a tool post comprising a working section and a fixing groove, wherein the fixing groove is recessed on a wall surface of the working section; The sleeve is slidably and locably sleeved in the working section, and the inner sliding sleeve comprises a coupling hole, a fastening hole, a fastening bead and a two-angle groove, wherein the coupling hole has a rectangular cross section, so The coupling hole has two opposite long sides and two opposite short sides. The fastening hole penetrates the inner sliding sleeve wall surface and selectively engages the fastening groove, and the fastening beads are movably disposed in the fastening hole. And the two corner grooves are respectively formed longitudinally at the intermediate positions of the two long sides of the coupling hole; a fastening component is sleeved on the outer wall of the inner sliding sleeve, and includes a spring ring and a spring, wherein a spring ring is sleeved on one end of the inner sliding sleeve, the spring is sleeved on the outer wall of the inner sliding sleeve and one end abuts against the spring ring; and an outer sliding sleeve is slidably sleeved on the outer wall of the inner sliding sleeve. And including a pressing block, an abutting surface and an abutting surface, wherein the pressing The block is circumferentially protruded from the inner wall of the outer sliding sleeve, and the pressing surface is formed on a side of the pressing block facing the inner sliding sleeve, and selectively presses the fastening bead, and the abutting surface is formed at the abutting surface One end of the compact and against the spring faces away from the other end of the spring ring.

By the above technical means, the tool joint of the present invention can be matched with the tool heads of different cross-sectional shapes to meet the needs of different processing operations, thereby improving the flexibility and the practicability of the tool joints.

The present invention provides a tool joint, please refer to FIG. 1 to FIG. 3. As can be seen from the figure, the tool joint of the present invention is disposed at the output end of a tool such as a hand tool or a pneumatic or electric tool. The tool is rotated and rotated. The utility model mainly comprises a tool post 10, an inner sliding sleeve 20, a clamping component 30 and an outer sliding sleeve 40.

The tool post 10 includes an operating section 11 , a working section 12 , a locking slot 13 , a latching slot 14 , and a latching member 15 . The operating section 11 can provide the user with a hand or provide the tool. The column 10 is connected to another handle, a power tool or a pneumatic tool body, etc., the working section 12 has a square cross section, and the working section 12 is connected to the operating section 11, and the fixing groove 13 and the engaging groove 14 are recessed. On the wall surface of the working section 12, the engaging member 15 can protrude from the wall of the working section 12 and is disposed in the engaging groove 14.

The inner sliding sleeve 20 has a rectangular cross section, and is slidably and slidably disposed on the working section 12, and includes a coupling hole 202, a fastening hole 21, a fastening bead 22, and a bead hole 23. An abutting bead 24, an outer buckle 25 and a two-corner groove 26, wherein the coupling hole 202 has a rectangular cross section, so the coupling hole 202 has two opposite long sides 204 and two opposite short sides 206, the fastening The hole 21 extends through the wall surface of the inner sliding sleeve 20 and can be engaged with the fastening groove 13 . The fastening bead 22 is movably disposed in the fastening hole 21 , and when the fastening hole 21 is engaged with the fastening groove 13 The portion of the fastening bead 22 slides into the securing slot 13 to fix the position of the inner sliding sleeve 20 opposite to the tool post 10 . The bead hole 23 extends through the outer wall surface of the proximal end of the inner sliding sleeve 20 . The abutting bead 24 is movably disposed in the bead hole 23, and the outer buckle 25 is sleeved on the outer wall of the inner sliding sleeve 20 and has elasticity relative to the radial direction of the inner sliding sleeve 20, and some of the abutting beads 24 are convex. The outer buckle 25 can be a spring piece or a spring. In the preferred embodiment of the present invention, the outer buckle 25 is an annular elastic piece and a bead opening 251 is provided opposite to the abutting bead 24, and a portion is provided. The abutting bead 24 can protrude from the bead opening 251, and the two corner grooves 26 are respectively formed longitudinally at the intermediate positions of the two long sides 204 of the coupling hole 202, so that the inner sliding sleeve 20 can be applied not only to the outer corner tool head but also Can be applied to the outer hexagon tool head.

The clamping component 30 is sleeved on the outer wall of the inner sliding sleeve 20 and includes a spring ring 31, an outer ring 32 and a spring 33. The spring ring 31 is sleeved on the inner sliding sleeve 20 away from the bead hole. The outer sleeve of the inner sleeve 20 is sleeved on the outer wall of the inner sleeve 20 and located between the spring ring 31 and the outer sleeve 32. By the spring ring 31, the spring 33 does not disengage from the inner sleeve 20.

The outer sliding sleeve 40 is slidably sleeved on the outer wall of the inner sliding sleeve 20 and includes a pressing block 41 , an abutting surface 42 , an abutting surface 43 and an abutting surface 44 , wherein the pressing block The outer surface of the outer sliding sleeve 40 is formed on the inner surface of the outer sliding sleeve 40 , and the pressing surface 42 is formed on the side of the pressing block 41 facing the inner sliding sleeve 20 and selectively presses the fastening beads 22 . 43 is formed at one end of the pressing block 41 and is pressed against the spring 33. The abutting surface 44 is formed at one end of the pressing block 41 and faces away from the abutting surface 43 and selectively abuts against the outer ring 32.

Referring to FIG. 4, the outer sliding sleeve 20 of the present invention is pressed, and the outer sliding sleeve 40 is pressed, so that the abutting surface 43 presses the spring 33, and the pressing surface 42 is separated from the opening card. 22, at this time, the fastening bead 22 can leave the fastening groove 13 and protrude the fastening hole 21, and then press the inner sliding sleeve 20 to make the fastening bead 22 protrude from the locking hole 21 Resisting the abutment surface 44 and moving the outer sliding sleeve 40 together with the inner sliding sleeve 20, and stopping when the inner sliding sleeve 20 slides to the bottom end of the working section 12, The elastic force of the spring 33 is used to clamp the pressing block 41 between the fastening bead 22 and the spring 33 to fix the position between the outer sliding sleeve 40 and the inner sliding sleeve 20 when the inner sliding sleeve 20 is When the slide-in is in, the working section 12 is exposed at the position of the clip 15 , and the working section 12 can be used for connecting a tool head having an inner quadrangular groove such as a sleeve, and a part of the clip 15 protrudes from the working section 12 The wall surface is in tight engagement with the sleeve, so that the tool head is not easily separated from the working section 12 and can assist the user in operation.

Please refer to FIG. 3, FIG. 5 and FIG. 6 for the use state of the inner sliding sleeve 20 of the present invention. Since the pressing block 41 is locked between the fastening bead 22 and the spring 33, it will be The outer sliding sleeve 40 or the inner sliding sleeve 20 is pulled out, and the outer sliding sleeve 40 is moved together with the inner sliding sleeve 20 relative to the working section 12, and the inner sliding sleeve 20 is pulled out to make the fastening hole. When the locking groove 13 is engaged with the locking groove 13, the reinforcing bead 22 is pushed by the pressing surface 42 in the direction of the locking groove 13, so that the fastening bead 22 is fastened to the locking groove 13 and Between the fastening holes 21, the outer sliding sleeve 40 is resisted by the elastic force of the spring 33, and continues upwards, so that the pressing surface 42 presses the fastening beads 22 into the fastening groove 13, so that the inner portion The position of the sliding sleeve 20 relative to the working section 12 is fixed. Finally, when the pressing block 41 is caught between the outer ring 32 and the spring 33, the position of the outer sliding sleeve 40 relative to the inner sliding sleeve 20 is fixed. The portion of the inner sliding sleeve 20 protruding from the working section 12 can be connected to an outer hexagonal or outer square tool head. The abutting bead 24 can be pressed by the outer buckle 25 to partially protrude the inner wall of the inner sliding sleeve 20. , the buckle beads 24 can be used to work Head, the tool head and the inner sleeve 20 has a close fit between the state, the tool head is separated from the inner sleeve 20 easily.

Since the coupling hole 202 of the present invention has a rectangular cross section, when the hexagonal tool head is inserted into the coupling hole 202, the corner ends of the hexagonal tool head can be respectively engaged in the two corner grooves 26, so that The coupling hole 202 is inserted into the hexagonal tool head, and because the coupling hole 202 has a long long side 204, the interference condition of the hexagonal tool head when the insertion of the coupling hole 202 is prevented can be avoided, so that the new type can be connected. The tool heads of different cross-sections can improve the flexibility and practicability of the tool joints to meet the needs of different machining operations.

10‧‧‧Tool column
11‧‧‧Operation section
12‧‧‧Working section
13‧‧‧ card slot
14‧‧‧ card slot
15‧‧‧Cards
20‧‧‧Inside sliding sleeve
202‧‧‧Combination hole
204‧‧‧Longside
206‧‧‧ Short side
21‧‧‧Kakukong
22‧‧‧Kalzhu
23‧‧‧Bead hole
24‧‧‧Returning beads
25‧‧‧External buckle
26‧‧‧ corner groove
251‧‧‧ Zhukou
30‧‧‧Clock components
31‧‧‧Spring ring
32‧‧‧ coat ring
33‧‧‧ Spring
40‧‧‧ outer sliding sleeve
41‧‧‧Pressure block
42‧‧‧Resistance surface
43‧‧‧Resistance
44‧‧‧Abutment
60‧‧‧ body
62‧‧‧bond hole
70‧‧‧Tool head

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a preferred embodiment of the present invention. Figure 2 is an exploded perspective view of the preferred embodiment of the present invention. Figure 3 is a partial cross-sectional view of the preferred embodiment of the present invention. Figure 4 is a schematic illustration of the use of the preferred embodiment of the present invention. Figure 5 is a schematic view of another use of the preferred embodiment of the present invention. Figure 6 is a schematic end elevational view of the preferred embodiment of the present invention in conjunction with the insertion of a hexagonal tool head. Figure 7 is an exploded view of the existing tool joint and tool head. Figure 8 is a side elevational view of the prior art tool joint in combination with the tool head.

10‧‧‧Tool column

11‧‧‧Operation section

12‧‧‧Working section

20‧‧‧Inside sliding sleeve

202‧‧‧Combination hole

204‧‧‧Longside

206‧‧‧ Short side

25‧‧‧External buckle

26‧‧‧ corner groove

40‧‧‧ outer sliding sleeve

Claims (6)

A tool joint includes: a tool post including a working section and a retaining groove, wherein the retaining groove is recessed in a wall surface of the working section; an inner sliding sleeve slidably and positionably The inner sliding sleeve includes a coupling hole, a fastening hole, a fastening hole and a two-angle groove. wherein the coupling hole has a rectangular cross section, so the coupling hole has two opposite long sides and Two opposite short sides, the fastening holes extend through the inner sliding sleeve wall surface and selectively engage the fastening groove, the fastening beads are movably disposed in the fastening hole, and the two corner grooves are respectively longitudinally Forming the two long sides of the coupling hole at an intermediate position; a fastening component sleeved on the outer wall of the inner sliding sleeve, and comprising a spring ring and a spring, wherein the spring ring is sleeved on the inner sliding sleeve The spring is sleeved on the outer wall of the inner sliding sleeve and has one end abutting against the spring ring; and an outer sliding sleeve slidably sleeved on the outer wall of the inner sliding sleeve, and includes a pressing block and an abutting a pressing surface and an abutting surface, wherein the pressing block surrounds the inner wall of the outer sliding sleeve The pressing surface is formed on a side of the pressing block facing the inner sliding sleeve, and selectively presses the fastening bead, the abutting surface is formed at one end of the pressing block and presses the spring away from the spring The other end of the ring. The tool connector of claim 1, wherein the tool post further comprises a latching slot and a latching member, wherein the latching slot is recessed in a wall surface at one end of the working section, and the latching member can protrude The working section is wall-mounted in the snap groove. The tool joint of claim 2, wherein the fastening component further comprises an outer casing, wherein the outer casing is sleeved on an outer wall of the inner sliding sleeve, and the outer casing ring selectively abuts against the pressing block Deviate from the end of the abutment surface. The tool joint of claim 3, wherein the inner sleeve further comprises two corner grooves, each of the corner grooves being formed opposite to each other along a longitudinal direction of the inner sleeve. The tool joint of any one of claims 1 to 4, wherein the inner sliding sleeve further comprises a bead hole, an abutting bead and an outer buckle, wherein the bead hole penetrates the outer wall surface of the inner end of the inner sliding sleeve The abutting bead is movably disposed in the bead hole, and the outer cuff is disposed on an outer wall of the inner sliding sleeve and has elasticity relative to a radial direction of the inner sliding sleeve. The tool connector of claim 5, wherein the outer buckle is an annular elastic piece, and the outer buckle is provided with a bead opening opposite to the abutting bead, and the abutting bead can protrude from the bead.