TWI500488B - Removable rotating ring for securing a tool - Google Patents

Description

Detachable tool safety swivel buckle

The invention relates to a safety rotary buckle, in particular to a detachable tool safety rotary buckle which is detachably sleeved on the sleeve and prevents the sleeve from falling off.

In various pneumatic tools or power tools, when tightening bolts and nuts is required, the sleeve is often used as a front end tool. The sleeve is attached via a drill or the like attached to an output shaft that protrudes forward from the outer casing, or is attached directly to the output shaft with the head of the sleeve. In this case, if the operation is inadvertent or the operation is unfamiliar, the sleeve often slips out and falls off, causing the sleeve to fall off from the pneumatic tool, and the dropped sleeve is hurt by falling. Or a structural damage condition. Based on this problem, please refer to the contents of the Chinese patent CN102791431 (abbreviation: conventional technology). The conventional technology discloses a detachment prevention structure of a power tool sleeve, which is transmitted through a sleeve driver (or sleeve) structure. In the outer surface of the sleeve driver, a ring is directly designed, and the ring is connected with the pneumatic tool by a connecting wire. In this way, it is possible to prevent the sleeve driver from falling and causing injury or structural damage due to falling off.

However, in the structure of the above-mentioned conventional technology, in order to make the sleeve driver's head have the function of preventing falling off, the ring must be further designed on the sleeve driver itself, and the ring is connected to the pneumatic tool to enable the sleeve. The screwdriver has the function of preventing falling off. This design not only increases the design cost of the sleeve, but also causes the complexity of the structural design, and the sleeve driver is installed. Unloading on pneumatic tools is also relatively inconvenient to assemble. Accordingly, the inventors have proposed a solution that not only provides the sleeve driver with a function of preventing falling off, but also effectively overcomes the problems of the above-mentioned conventional techniques.

The object of the present invention is to provide a detachable tool safety rotary buckle which is effectively used as a safety connection between the sleeve and the pneumatic tool to prevent the sleeve from falling off from the pneumatic tool.

The object of the present invention is to provide a detachable tool safety rotary buckle which can be detachably sleeved on a sleeve by a rotary buckle, and can be easily installed on the sleeve and used by any user regardless of whether it is used or not. Removal or replacement action.

The object of the present invention is to provide a detachable tool safety rotating buckle, which can be replaced by a rotating buckle of different sizes according to the size of the sleeve. It can be used for the matching of sleeves of various sizes, and various types of sleeves are provided. The safety protection of the cylinder prevents the sleeve from falling off from the pneumatic tool and causing injury or structural damage.

In order to achieve the above object, the present invention provides a detachable tool safety rotary buckle which is detachably sleeved on a sleeve to prevent the sleeve from falling off from a pneumatic tool. The detachable tool The safety rotary buckle system comprises: a set of connectors and a control component. The sleeve is sleeved on the sleeve, and one end of the sleeve forms a set of parts. The control component is disposed on the sleeve portion of the socket, the control component is coupled to the pneumatic tool; and the movable component of the socket is movable and dismountable by movement of the control component relative to the socket Connected to the sleeve.

1‧‧‧ sleeve

12‧‧‧ trench

A‧‧‧Removable tool safety swivel buckle

2‧‧‧ Sockets

22‧‧‧Sets Department

24‧‧‧容珠孔

26‧‧‧ card ditch

3‧‧‧Control components

31‧‧‧Sliding parts

311‧‧‧ outer ring

312‧‧‧Pivot through hole

313‧‧‧First gear

314‧‧‧second gear

315‧‧‧容珠室

316‧‧‧ guiding slope

32‧‧‧Flexible parts

33‧‧‧ beads

34‧‧‧Limited parts

40‧‧‧connection hole

41‧‧‧Connecting line

5‧‧‧ pneumatic tools

1 is a perspective assembled view of a detachable tool safety rotary buckle and a sleeve of the present invention.

2 is an exploded perspective view of the detachable tool safety rotary buckle of the present invention in cooperation with the sleeve.

3 is an exploded perspective view of the detachable tool safety rotating buckle of the present invention.

Figure 4 is a cross-sectional view of the detachable tool safety swivel ring of the present invention.

Figure 5 is a cross-sectional view (1) of the detachable tool safety rotary buckle of the present invention mated with the sleeve.

5A is a partial enlarged view of FIG. 5, showing the related structure of the inner surface of the sliding member, including the pivoting through hole, the first blocking member, the second blocking member, the bead chamber and the guiding bevel.

Figure 6 is a cross-sectional view (II) of the detachable tool safety rotary buckle of the present invention in cooperation with the sleeve, the display sleeve is mounted on the pneumatic tool, and is connected to the pneumatic tool by a detachable tool safety rotary buckle. .

7 is a schematic view of the detachable tool safety rotary buckle and the sleeve of the present invention, showing that the sleeve is detached from the pneumatic tool, and the detachable tool safety rotating buckle connects the sleeve to the pneumatic tool to avoid the sleeve. The case where the tube is dropped.

In the following, the structural features of the present invention and the intended effects thereof will be described in the preferred embodiments, and are not intended to limit the scope of the invention as claimed.

Please refer to FIG. 1 to FIG. 7 , which is a detachable tool safety rotary buckle A provided by the present invention, which is detachably sleeved on a sleeve 1 to prevent the sleeve 1 from falling off accidentally. It has the safety effect of preventing falling off. As shown in FIG. 7 , in particular, when the sleeve 1 is accidentally slipped out of the pneumatic tool 5 and detached, the detachable tool is used to securely rotate the buckle A to the pneumatic tool 5 to avoid the sleeve. The security mechanism of direct drop. The detachable tool is safe The rotating buckle A includes a set of connectors 2 and a control assembly 3.

As shown in FIG. 1 to FIG. 4 and FIG. 7 , the sleeve 2 is sleeved on the sleeve 1 , and one end of the sleeve forms a set 22 . The control assembly 3 is attached to the socket portion 22 of the socket 2, and the control assembly 3 is coupled to the pneumatic tool 5. The sleeve 2 can be detachably sleeved to the sleeve 1 by the movement of the control assembly 3 relative to the sleeve 2. Avoid accidentally falling off or falling when the sleeve 1 slips out. The socket 2 can be made of a metal material, and has two bead holes 24 disposed in the sleeve portion and a card groove 26 disposed in the sleeve portion.

As shown in FIG. 3 and FIG. 4 , the control component 3 includes a sliding member 31 , an elastic member 32 , a limiting member 34 , and a double bead body 33 . The elastic member 32, the sliding member 31, the bead body 33, and the limiting member 34 are sequentially mounted to the sleeve portion 22. In the present invention, the slider 31 is slidably attached to the sleeve portion 22, and the slider 31 can be made of a metal material. The elastic member 32 is a compression spring that is mounted on the sleeve portion 22 of the socket member 2 and is defined by the sliding member 31 to provide an elastic restoring force for sliding of the sliding member 31. The limiting member 34 is a C-shaped buckle which is disposed on the latching groove 26 of the sleeve portion 22 to define that the sliding member 31 slides on the sleeve portion 22 of the socket member 2 and cannot be separated from the sleeve. Part 22. The beads 33 are respectively a steel ball and are housed in the ball-receiving chamber 315 of the sliding member 31 (Fig. 5A). Thereby, after the control assembly 3 is mounted on the sleeve portion 22 of the socket member 2, the slider member 31 is smoothly moved relative to the sleeve portion 22 of the socket member 2, and the slider member 31 defines the elasticity. The member 32 is limited to the set portion 22; the limiting member 34 defines that the sliding member 31 slides on the set portion 22; the two beads 33 are restricted to move to the sliding member 31 and the set portion 22 between.

As shown in FIG. 5 and FIG. 6, the bead body 33 is movably and correspondingly embedded in the bead hole 24, and the bead 31 is slipped when the slider 31 is slid relative to the sleeve portion 22 of the socket 2. body 33 is movably embedded in the bead hole 24, thereby being embedded in the groove 12 of the sleeve 1 (Fig. 2). In addition, the limiting member 34 is latched in the card groove 26 (as shown in FIG. 2 and FIG. 3 ), so that the sliding member 31 is restricted to slide on the sleeve portion 22 and cannot be detached from the socket 2 .

As shown in FIG. 5 and FIG. 5A, the sliding member 31 is provided with an outer ring edge 311 at an appropriate position on the outer surface to provide a user's movement to move the sliding member 31 through the connecting hole of the outer ring edge 311. 40 and a connecting wire 41 are coupled to the pneumatic tool 5. The inner surface of the sliding member 31 is provided with a pivoting hole 312, and a first blocking member 313 and a second blocking member 314 respectively formed from the pivoting through hole 312. The pivoting through hole 312 provides the corresponding portion of the sleeve portion 22 Hold up. The ball-receiving chamber 315 disposed between the first and second blocking members 313 and 314 provides the bead body 33 and is disposed between the sliding member 31 and the sleeve portion 22.

Refer to Figures 3 and 4 in conjunction with Figure 5A. Specifically, the second blocking member 314 is defined by the limiting member 34, and is defined such that the sliding member 31 can only move in the set portion 22 and cannot be disengaged. The first blocking member 313 has a guiding surface 316 corresponding to the ball bearing chamber 315. The movement of the sliding member 31 enables the bead body 33 to pass from the ball receiving chamber 315 and via the guiding bevel surface 316. The guide moves to the first stop 313. In this manner, the first blocking member 313 is configured to move the bead body 33 into the bead hole 24 to be embedded and clamped into the groove 12 of the sleeve 1 (see FIG. 2), so that the detachable tool can be safely rotated. The ring A is sleeved and positioned on the sleeve 1.

The use of the present invention is illustrated in Figures 5 through 7. In actual use, when the detachable tool safety rotary buckle A is sleeved and positioned on the groove 12 of the sleeve 1 (as shown in FIG. 2), the sliding member 31 of the control assembly 3 is biased to cause the sliding member 31 to slide. The elastic member 32 is compressed by the first blocking member 313 of the sliding member 31, so that the bead body 33 is received in the ball-receiving chamber 315 of the sliding member 31 and the ball-receiving hole 24 of the socket member 2. At this time, the sleeve The connector 2 can be sleeved on the outer surface of the outer sleeve of the sleeve 1, The bead 33 is not yet snapped into the groove 12 of the sleeve 1 (Fig. 2). In addition, when the sliding member 31 is unloaded, the elastic member 32 elastically recovers to move the sliding member 31, and the second blocking member 314 of the sliding member 31 abuts against the limiting member. 34. At this time, the bead body 33 is moved through the guiding inclined surface 316, and is protruded from the first blocking member 313 to protrude into the bead hole 24 of the sleeve member 2, and is embedded and locked in the sleeve. The groove 12 of the sleeve 1 allows the detachable tool safety rotary ring A to be sleeved and positioned on the sleeve 1, and the outer ring edge 311 of the sliding member 31 (using the connecting wire 41) is coupled to the pneumatic tool 5, so that the sleeve 1 does not fall off due to falling off, can avoid injury, achieve a safe anti-off function, and also avoid structural damage of the sleeve 1.

It can be seen that, by the movement of the control component 3 relative to the socket 2, the sleeve 2 is movably and detachably sleeved on the sleeve 1 for convenient use in various sleeves.

In summary, the "detachable tool safety rotary buckle" of the present invention has the following features: (1) Effectively acting as a safety connection between the sleeve and the pneumatic tool to prevent the sleeve from falling off from the pneumatic tool. . (2) The sleeve can be detachably attached to the sleeve by the safety rotary buckle, and the user can be easily installed on the sleeve and can be arbitrarily removed or replaced with or without use, which is convenient for carrying and Storage. (3) According to the size of the sleeve, the corresponding size of the rotating buckle can be used for replacement, so it can be applied to the combination of sleeves of various sizes, providing safety protection for each type of sleeve, and avoiding falling off from the pneumatic tool. Injury to the person and damage to the structure of the sleeve. (4) It is only necessary to cooperate with the rotating buckle so that the structure of the sleeve itself does not need to be over-designed to achieve the safety protection effect when falling off.

To sum up, the invention is not only structurally innovative, but also highly effective. It is in line with the relevant provisions of the Patent Law, and it is legally filed in accordance with the law.

1‧‧‧ sleeve

A‧‧‧Removable tool safety swivel buckle

40‧‧‧connection hole

41‧‧‧Connecting line

Claims (5)

The utility model relates to a detachable tool safety rotary buckle, which is detachably sleeved on a sleeve rotatably assembled on a pneumatic tool, preventing the sleeve from falling off from the pneumatic tool, wherein the sleeve The outer ring wall of the cylinder is concavely provided with a continuous annular groove, and the groove is disposed around a rotating shaft of the sleeve. The detachable tool safety buckle ring comprises: a set of connecting pieces, which are provided in a ring shape. Socketed to the sleeve, one end of the sleeve part forms a set of parts; and a control component is sleeved on the set part of the sleeve part, the control component is connected to the pneumatic tool; The movement of the control assembly relative to the sleeve causes the sleeve to be movably and detachably sleeved to the sleeve; wherein the control assembly includes a sliding member, an elastic member, a limiting member and at least a second bead body, the elastic member, the sliding member, the two bead body and the limiting member are respectively sequentially mounted on the sleeve portion, the sliding member defining the elastic member in the sleeve portion, the sliding member Sliding relative to the set of parts, the limiting member defines that the sliding member slides on the set of parts, the sleeve Having at least two bead holes disposed in the set of portions, the bead systems move and correspondingly embed the plurality of bead holes, and the bead system can be slipped when the sliding member slides relative to the sleeve portion of the sleeve The plurality of bead holes are inserted and inserted into the groove of the sleeve; wherein when the beads are embedded in the groove of the sleeve, the sleeve is free to rotate relative to the sleeve. The detachable tool safety rotary buckle of claim 1, wherein the outer surface of the sliding member is provided with an outer rim for coupling to the pneumatic tool. The detachable tool safety rotary buckle according to claim 1, wherein the socket has a card groove disposed in the sleeve portion, and the limiting member is engaged in the card groove to define the sliding The piece slides on the set of parts. The detachable tool safety rotary buckle according to claim 1, wherein the inner surface of the sliding member is provided with a pivoting hole, a first blocking member and a second blocking member respectively formed from the pivoting through hole, A ball-receiving chamber is disposed between the first and second members, and the ball-receiving chamber is provided between the sliding member and the sleeve portion, and the movement of the sliding member is The bead system is moved from the ball-receiving chamber to the first blocking member and embedded in the bead hole, and is embedded in the groove of the sleeve; the second blocking member is defined by the limiting member to define The slider moves in the set of parts. The detachable tool safety rotary buckle according to claim 4, wherein the first blocking member has a guiding slope corresponding to the ball bearing chamber, and the ball system is from the capacity by the movement of the sliding member The bead chamber is guided to move to the first stop via the guide bevel.