TWM513096U - Exhausting device for pneumatic tool - Google Patents

Description

Exhaust device for pneumatic tools

The present invention relates to an exhaust device for a pneumatic tool, in particular, a simple adjustment rotation, so that when the pneumatic tool is used, the air is discharged backward to prevent dust from flying, so as to facilitate drilling or the like, or to make the residual debris forward. Discharge the exhaust device for cutting and other operations.

According to the general structure of the pneumatic tool, the tool body is provided with components such as a cylinder, a piston and a valve seat group. When used, different components are placed at the front end of the cylinder, and after starting, the cutting, drilling and the like are performed. However, due to the flying debris during the cutting operation, the flying dust will be generated during the drilling, which not only hinders the operator's line of sight, but also affects the operation process. Therefore, some pneumatic tools are equipped with exhaust devices to properly remove the residual debris or dust generated during the operation, which can improve the lack of residual dust or dust, but the existing pneumatic tools can only be constructed in a single direction. It is not ideal to discharge the air forward or backward according to the actual operation requirements. In view of this, the applicant has continued to study and experiment, and he has improved the exhaust device of a pneumatic tool, so that when the pneumatic tool is used, the air is discharged backwards and the residual debris is discharged forward to facilitate the operation of the pneumatic tool.

The main purpose of this creation is to provide an exhaust device for a pneumatic tool. By making the pneumatic union rotate by simple adjustment, the air is discharged backwards to prevent dust from flying during use, so as to facilitate drilling and other operations, or to discharge the residual debris to facilitate cutting and the like.

The foregoing pneumatic device exhausting device comprises a gas guiding member, a braking member and an adjusting member. The air guiding member is fixed to the tool body, and is provided with a slotted groove, and is provided with spaced-apart ribs at the inner edge of the front end, and the brake component is sleeved on the air guiding member, and is provided with an air guiding hole, and The inner edge of the front end is provided with spaced-apart shielding portions, and the adjusting member is fixed to the braking member for driving the rotation of the braking member. When the pneumatic tool is in use, the air guiding hole of the braking member is overlapped with the slot of the air guiding member by the rotation of the adjusting member in the forward and counterclockwise direction, and the shielding portion is shielded at the interval between the rib portions of the air guiding member. The air is discharged backward to prevent the dust from flying, so as to facilitate the drilling or the like, or the air guiding hole of the braking member is separated from the slot of the air guiding member, and the shielding portion is overlapped with the rib of the air guiding member, so that the residual debris is discharged forward. Lee cutting and other operations.

The venting device of the pneumatic tool described above, wherein the braking member is provided with a protruding post, and the adjusting member is provided with a groove on the inner edge, so that the protruding post is embedded in the groove, and when the adjusting member rotates, The pin and the groove are pinned, thereby driving the rotation of the brake member.

In the above-mentioned pneumatic device exhausting device, the outer edge of the air guiding member is provided with a positioning rib, and a fitting groove is formed in the union body, so that the positioning member is embedded in the tool body when the air guiding member is fixed to the tool body. The slots are configured to form a position.

1‧‧‧Tool body

11‧‧‧ grip

12‧‧‧Exhaust cover

13‧‧‧air inlet

14‧‧‧ board unit

15‧‧‧ cylinder

16‧‧‧Piston

17‧‧‧ valve seat

18‧‧‧ slotted

19‧‧‧ rib

2‧‧‧Air guides

21‧‧‧ positioning ribs

22‧‧‧ slotting

221‧‧‧ vertical section

222‧‧‧ horizontal section

223‧‧‧Expanding Department

23‧‧‧ ribs

3‧‧‧Brakes

31‧‧‧ Air vents

32‧‧‧ stud

33‧‧‧Shading Department

4‧‧‧Adjustment

41‧‧‧ Groove

42‧‧‧Inlay

Fig. 1 and Fig. 2 are perspective exploded views of the present creation.

Figure 1A is a cross-sectional view of the main body of the tool of the present invention.

Figure 2A is a partial cross-sectional view of the adjustment of the present creation.

Fig. 3 and Fig. 4 are diagrams showing the state of the shield portion and the rib portion when the front exhaust is created.

Fig. 5 and Fig. 6 are diagrams showing the state of the shield portion and the rib portion when the rear exhaust is created.

Figure 7 is a diagram showing the state of the air vent and the grooving state when the front venting is performed.

Figure 8 is a diagram showing the state of the air vent and the grooving state of the present venting.

Please also refer to Figures 1 and 2, together with Figures 1A and 2A, which are the exploded perspective view of the creation and a partial cross-sectional view of the tool body, and a partial cross-sectional view of the adjustment member. As shown in the figure, the present invention mainly comprises a tool body 1 , a handle 11 is arranged on the tool body 1 , an exhaust cover 12 and an air inlet 13 are arranged on the bottom edge of the grip 11 , and a plate unit 14 is arranged. The tool body 1 is provided with a cylinder 15, a piston 16, a valve seat group 17, and a gas guiding member 2, a brake member 3, and an adjusting member 4. At the time of use, different fittings are placed at the front end of the cylinder 15, and are controlled by the plate unit 144 to constitute cutting, drilling, and the like. The tool body 1 is provided with two or more fitting grooves 18 at the inner edge of the front end, and a surrounding protruding rib 19 is provided at the outer edge of the front end.

The air guiding member 2 is sleeved on the front end of the tool body 1 , and the outer edge thereof is provided with a positioning rib 21 corresponding to the slot 18 of the tool body 1 , so that the air guiding member 2 is embedded in the slot 18 by the positioning rib 21 . Positioning, a suitable position between the positioning ribs 21 is provided with a slit 22, and the inner edge of the front end is provided with spaced-apart ribs 23. In the embodiment, the split groove 22 is set to contain The straight section 221 and the horizontal section 222 are L-shaped, and a wide enlarged portion 223 is provided at an appropriate position of the vertical section 221 .

The brake member 3 is sleeved on the air guiding member 2, and is provided with an air guiding hole 31. A protruding post 32 is disposed at an appropriate position in front of the air guiding hole 31, and a shielding portion 33 arranged at intervals is arranged at the inner edge of the front end. The brake member 3 is placed behind the air guide member 2, and the protrusion 32 can be embedded in the horizontal portion 222 of the air-discharging member 2 to form a positioning.

The adjusting member 4 is annular, and the inner edge thereof is provided with a recess 41 corresponding to the stud 32 of the brake member 3, and a surrounding recess 42 for the adjusting member 4 to be embedded in the tool body 1 by the recess 42. After the protruding rib 19 positions the adjusting member 4, the adjusting member 4 is rotatably shaped, and the protruding post 32 can be embedded in the groove 41, and the protruding column 32 and the groove can be used when the adjusting member 4 rotates. The pinning of 41, which in turn drives the rotation of the brake member 3.

The exhaust device of the pneumatic tool is constituted by the combination of the aforementioned members. When the pneumatic tool is in use, the air guiding hole 31 of the braking member 3 is overlapped with the slot 22 of the air guiding member 2 by the clockwise or counterclockwise rotation of the adjusting member 4, and the shielding portion 33 is shielded from the guiding portion. The position of the ribs 23 of the gas member 2 is such that the air is discharged backward to prevent the dust from flying, so as to facilitate the operation of drilling or the like, or the air guiding holes 31 of the braking member 3 are separated from the slit 22 of the air guiding member 2, and the shielding portion 33 is provided. It overlaps the rib 23 of the air guide member 2, so that the residual debris is discharged forward to facilitate cutting and the like.

Please refer to Fig. 3 and Fig. 4 at the same time, and with Fig. 7, it is the state diagram of the shielding part and the rib part when creating the front exhausting, and the state of the air guiding hole and the grooving state of the front exhausting. Such as As shown in the figure, when the pneumatic tool of the present invention is used in a cutting operation, the adjusting member 4 is rotated counterclockwise, so that the air guiding hole 31 of the braking member 3 is separated from the slot 22 of the air guiding member 2 (the air guiding hole 31 does not overlap) The air venting member 2 is shielded by the air venting member 2, and the shielding portion 33 is superposed on the rib portion 23 of the air guide member 2. In this way, the front end of the air guide member 2 will form a plurality of notches (notches between the ribs 23), so that the residual debris generated during the cutting operation is discharged forward to facilitate clear visibility of the working object and improve the range. The efficiency of the work.

Please refer to Fig. 5 and Fig. 6 at the same time, and with Fig. 8, it is the state diagram of the shielding part and the rib part when creating the rear exhausting, and the state of the air guiding hole and the troughing state in the rear exhausting. As shown in the figure, when the pneumatic tool of the present invention is used in a drilling operation, the adjusting member 4 is rotated clockwise so that the air guiding hole 31 of the braking member 3 is overlapped with the slit 22 of the air guiding member 2 (the air guiding hole 31 is not It will be shielded by the air guide 2, and the shielding portion 33 is placed at an interval between the ribs 23 of the air guide member 2. Thus, the front end of the air guide member 2 is shielded by the shielding portion 33 and the rib portion 23 (the gap between the rib portions 23 is blocked by the shielding portion 33), so that the air generated during the drilling operation is moved to the rear edge grip. It is discharged in the direction of 11 to prevent dust from flying, so as to help clear the scope of the work and improve the efficiency of the work. In this embodiment, the air guiding hole 31 is located at the enlarged portion 223 of the vertical section 221 of the slot 22 to facilitate backward discharge of air.

The foregoing embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the details of the present invention are not deviated from the spirit of the present invention.

In summary, the present invention comprises a gas guiding member provided with a groove and a rib, and a braking member provided with an air guiding hole and a shielding portion, and an adjusting member capable of driving the braking member to constitute an exhausting device of the pneumatic tool. The pneumatic union is rotated by simple adjustment, and the air is discharged backwards during use to facilitate drilling or the like, or the residual debris is discharged forward to facilitate cutting and the like. For a practical design, it is a novelty creation. If you apply for a patent in accordance with the law, you will be punished by the Bureau of Public Information, and you will be granted a patent as soon as possible.

1‧‧‧Tool body

11‧‧‧ grip

12‧‧‧Exhaust cover

13‧‧‧air inlet

14‧‧‧ board unit

15‧‧‧ cylinder

16‧‧‧Piston

17‧‧‧ valve seat

18‧‧‧ slotted

19‧‧‧ rib

2‧‧‧Air guides

21‧‧‧ positioning ribs

22‧‧‧ slotting

221‧‧‧ vertical section

222‧‧‧ horizontal section

223‧‧‧Expanding Department

23‧‧‧ ribs

3‧‧‧Brakes

31‧‧‧ Air vents

32‧‧‧ stud

33‧‧‧Shading Department

4‧‧‧Adjustment

41‧‧‧ Groove

42‧‧‧Inlay

Claims (5)

The utility model relates to a pneumatic device exhausting device, comprising: a tool body, which is provided with a plate unit, a cylinder, a piston and a valve seat set; the air guiding member is arranged at a front end of the tool body, and is provided with a slot and is arranged at the inner edge of the front end. a rib portion arranged at intervals; a brake member, the sleeve is disposed on the air guide member, and is provided with an air guiding hole, a protruding column is arranged in front of the air guiding hole, and a shielding portion arranged at intervals is arranged at an inner edge of the front end; an adjusting member, The base is locked to the tool body, and the inner edge is provided with a groove corresponding to the protrusion of the brake member, so that the protrusion can be embedded in the groove, and the protrusion and the groove can be used when the adjustment member rotates. The pinch, which in turn drives the rotation of the brake member; when the pneumatic tool is in use, the air guide hole of the brake member is overlapped with the groove of the air guide member by the clockwise or counterclockwise rotation of the adjusting member, and the shielding portion is made The air is shielded from the air ribs at a spaced position, so that the air is discharged backwards to prevent dust from flying, so as to facilitate drilling or the like, or the air guiding holes of the braking device are separated from the air guiding member, and the shielding portion is overlapped with the air guiding member. Ribs, allowing the waste to be discharged forward for cutting, etc. industry. The venting device of the pneumatic tool according to the first aspect of the invention, wherein the outer edge of the front end of the tool body is provided with a surrounding protruding rib, and the inner edge of the adjusting member is provided with a recessed groove, so that the adjusting member is protruded The ribs are embedded in the slot to position the adjustment member to the tool body. The venting device of the pneumatic tool according to the first aspect of the invention, wherein the tool body system is provided with a groove at the inner edge of the front end, and the outer edge of the air guiding member is provided with a positioning rib corresponding to the groove of the tool body. The air guide is embedded in the slot by the positioning rib to form a positioning. The venting device of the pneumatic tool according to the first aspect of the invention, wherein the air guiding member is configured to include an L shape including a vertical section and a horizontal section, so that the protruding pillar of the braking component can be embedded in the guiding The horizontal section of the gas piece is grooved to constitute a positioning. The venting device for a pneumatic tool according to claim 1, wherein the air guiding member is provided with a wide enlarged portion at an appropriate position, so that the air guiding hole of the braking member overlaps the air guiding member. In the case of the groove, the air guiding hole may be located at the enlarged portion to facilitate the rearward discharge of air.