Novel pneumatic percussion drill convenient to use

Abstract

The utility model discloses a novel pneumatic percussion drill convenient to use, which comprises a pneumatic percussion drill body and a grip mounted on the pneumatic percussion drill body, an annular block is mounted at the bottom of the grip, a pluggable connecting block is arranged at the bottom of the annular block, a movable arc-shaped clamping block is arranged on the left side of the grip, and a movable arc-shaped clamping block is arranged on the right side of the grip. The device further comprises a connecting groove, the connecting groove is formed in the bottom of the connecting block, and a servo motor is installed on the right side of the inner wall of the connecting groove. According to the pneumatic percussion drill, the grip, the annular block, the connecting block, the arc-shaped clamping block, the connecting groove, the servo motor, a threaded rod, a threaded block, an adjusting block, a movable block, a fixed groove, a movable block, a positioning rod, a positioning groove, a buffer spring and a fixed block are matched with one another, so that the stability of using the pneumatic percussion drill by a user through the grip is improved; and the phenomenon that the pneumatic percussion drill is easily separated from the hand due to accidents when a user holds the grip is avoided, so that potential safety hazards are reduced, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic impact drills, in particular to a novel pneumatic impact drill that is easy to use. Background Art

[0002] A pneumatic impact drill is a lightweight, compact pneumatic tool with impact rotation, simple impact and clockwise rotation functions. It is mainly used for drilling holes in rocks, brick walls, concrete and other components.

[0003] According to application number: CN201220385549.3, an improved pneumatic impact drill includes a housing of an impact device and a housing of an air motor device, and is characterized in that: the housing of the impact device and the housing of the air motor device are connected by a fastening device, and the fastening device is fixed by bolt connection, a drill bit is provided at the front end of the housing of the impact device, a hook is provided on the top of the drill bit, a large-diameter excavation ring and a small-diameter excavation ring are provided on the drill bit, and a connecting reinforcement rib is provided between the large-diameter excavation ring and the small-diameter excavation ring, and an input end of an impact transmission device and an output end of the air motor are provided in the housing of the air motor device, and the input end of the impact transmission device is connected to the drill bit.

[0004] In the above case, the pneumatic impact drill is handheld by a handle, but the handle does not have a limiting effect, which causes the pneumatic impact drill to easily fall out of the user's hand due to accidental release when the user holds the handle, thereby seriously increasing safety hazards and reducing the stability of the handheld pneumatic impact drill. To this end, we provide a new type of pneumatic impact drill that is easy to use. Utility Model Content

[0005] The purpose of the present utility model is to provide a new type of pneumatic impact drill that is easy to use, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a new type of pneumatic impact drill that is easy to use, comprising a pneumatic impact drill body and a handle installed on the pneumatic impact drill body, an annular block being installed at the bottom of the handle, a pluggable connecting block being provided at the bottom of the annular block, and a movable arc-shaped clamping block being provided on the left side of the handle.

[0007] Preferably, it also includes a connecting groove, which is opened at the bottom of the connecting block, a servo motor is installed on the right side of the inner wall of the connecting groove, a threaded rod is installed on the left end of the servo motor output shaft, and the surface of the threaded rod is threadedly connected to the threaded block.

[0008] Preferably, an adjusting block is installed at the bottom of the threaded block, a moving block is installed at the top of the adjusting block, and three fixing slots are opened on the right side of the moving block.

[0009] Preferably, a movable block is provided inside the fixed groove, a positioning rod is installed on the left side of the movable block, a positioning groove is opened on the left side of the inner wall of the fixed groove and corresponding to the position of the positioning rod, the left end of the positioning rod passes through the fixed groove and the positioning groove from right to left in sequence and extends to the inside of the positioning groove and slides in contact with the inner wall of the positioning groove, and a buffer spring is sleeved on the surface of the positioning rod.

[0010] Preferably, a fixed block is installed on the right side of the movable block, the right side of the fixed block passes through the fixing slot and extends to the outside thereof, and the right side of the fixed block is fixedly connected to the left side of the arc-shaped clamping block.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] The utility model improves the stability of the user when using the pneumatic impact drill through the handle through the mutual cooperation of the grip, the annular block, the connecting block, the arc-shaped clamping block, the connecting groove, the servo motor, the threaded rod, the threaded block, the adjusting block, the moving block, the fixed groove, the movable block, the positioning rod, the positioning groove, the buffer spring and the fixed block, thereby preventing the pneumatic impact drill from being easily separated from the hand of the user when holding the grip, thereby reducing the occurrence of safety hazards and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural cross-sectional view of the front view of the utility model;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the handle, annular block, connecting block, arc-shaped clamping block and fixing rod of the utility model;

[0015] Figure 3 This is a structural cross-sectional view of the handle, annular block, connecting block, arc-shaped clamping block and fixing rod of the utility model from a front view.

[0016] In the figure: 1 pneumatic impact drill body, 2 handle, 3 annular block, 4 connecting block, 5 arc clamping block, 6 connecting slot, 7 servo motor, 8 threaded rod, 9 threaded block, 10 adjusting block, 11 moving block, 12 fixing slot, 13 movable block, 14 positioning rod, 15 positioning slot, 16 buffer spring, 17 fixing block, 18 clamping block, 19 clamping slot, 20 fastening bolt, 21 fixing rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1-3 A new type of pneumatic impact drill that is easy to use includes a pneumatic impact drill body 1 and a handle 2 installed on the pneumatic impact drill body 1. The bottom of the handle 2 is fixedly connected to a ring block 3, and the bottom of the ring block 3 is provided with a pluggable connecting block 4. A movable arc-shaped clamping block 5 is provided on the left side of the handle 2, and the arc-shaped clamping block 5 is made of rubber.

[0019] Furthermore, a controller is fixedly connected to the right side of the connecting block 4, and a battery is fixedly connected to the top of the left side of the connecting block 4.

[0020] It also includes a connecting groove 6, which is opened at the bottom of the connecting block 4. A servo motor 7 is fixedly connected to the right side of the inner wall of the connecting groove 6. The servo motor 7 is a forward and reverse motor with a self-locking function. The left end of the output shaft of the servo motor 7 is fixedly connected to a threaded rod 8. The surface of the threaded rod 8 is threadedly connected to a threaded block 9. The side of the threaded block 9 close to the inner wall of the connecting groove 6 is in sliding contact with the inner wall of the connecting groove 6. The bottom of the threaded block 9 is fixedly connected to an adjusting block 10. The side of the adjusting block 10 close to the connecting block 4 is in contact with the connecting block 4. The top of the adjusting block 10 is fixedly connected to a moving block 11. Three fixed grooves 12 are opened on the right side of the moving block 11. The fixed grooves 12 are A movable block 13 is provided inside, and the surface of the movable block 13 is in contact with the inner wall of the fixed groove 12. A positioning rod 14 is fixedly connected to the left side of the movable block 13. A positioning groove 15 is provided on the left side of the inner wall of the fixed groove 12 and corresponding to the position of the positioning rod 14. The left end of the positioning rod 14 passes through the fixed groove 12 and the positioning groove 15 from right to left in sequence and extends to the inside of the positioning groove 15 and slides in contact with the inner wall of the positioning groove 15. A buffer spring 16 is sleeved on the surface of the positioning rod 14. A fixed block 17 is fixedly connected to the right side of the movable block 13. The right side of the fixed block 17 passes through the fixed groove 12 and extends to its outside. The right side of the fixed block 17 is fixedly connected to the left side of the arc-shaped clamping block 5.

[0021] Furthermore, by providing a buffer spring 16, the arc-shaped clamping block 5 has a certain buffer force when in contact with the user's hand, thereby preventing damage to the user's hand caused by hard contact.

[0022] Furthermore, the servo motor 7 is electrically connected to the controller, and the battery supplies power to the servo motor.

[0023] Furthermore, blocks 18 are fixedly connected to the left and right sides of the top of the connecting block 4, and a slot 19 is provided at the bottom of the annular block 3 at a position corresponding to the block 18. The top of the block 18 passes through the slot 19 and extends to the inside to contact the inner wall of the slot 19. A fastening bolt 20 threadedly connected to the block 18 is provided at the top of the annular block 3 at a position corresponding to the block 18. By providing the block 18, the slot 19 and the fastening bolt 20, it is convenient to disassemble the connecting block 4 and the annular block 3, and it is convenient to maintain and repair the structures on the connecting block 4 and the movable block 11.

[0024] Specifically, loosen the fastening bolts 20, then pull the connecting block 4 downward, the connecting block 4 drives the clamping block 18 to move downward, so that the clamping block 18 and the clamping groove 19 are separated, so that the connecting block 4 and the annular block 3 are separated, and the connecting block 4 can be removed.

[0025] Furthermore, a fixing rod 21 is fixedly connected to the left side of the connecting block 4, and the left end of the fixing rod 21 passes through the adjusting block 10 and extends to the outside thereof. By providing the fixing rod 21, the stability of the adjusting block 10 during movement is improved.

[0026] Through the mutual cooperation of the handle 2, the annular block 3, the connecting block 4, the arc-shaped clamping block 5, the connecting groove 6, the servo motor 7, the threaded rod 8, the threaded block 9, the adjusting block 10, the moving block 11, the fixing groove 12, the movable block 13, the positioning rod 14, the positioning groove 15, the buffer spring 16 and the fixing block 17, the stability of the user using the pneumatic impact drill through the handle 2 is improved, and the phenomenon that the pneumatic impact drill is easily separated from the hand of the user due to accident when holding the handle 2 is avoided, thereby reducing the occurrence of safety hazards and improving practicality.

[0027] During use, the user holds the handle 2 with his hand and then starts the servo motor 7. The servo motor 7 drives the threaded rod 8 to rotate through the output shaft. The threaded rod 8 drives the adjusting block 10 to move to the right through the threaded block 9. The adjusting block 10 drives the arc clamping block 5 to move to the right through the moving block 11, so that the arc clamping block 5 and the back of the user's hand contact each other, so that the arc clamping block 5 squeezes the buffer spring 16 to the left through the movable block 13 to avoid damage to the user's hand caused by hard contact between the arc clamping block 5 and the user, thereby completing the limitation of the user's hand and ensuring the stability of the user holding the handle 2.

[0028] In summary, this easy-to-use new pneumatic impact drill solves the problems raised in the above-mentioned background technology through the mutual cooperation of the handle 2, annular block 3, connecting block 4, arc clamping block 5, connecting groove 6, servo motor 7, threaded rod 8, threaded block 9, adjusting block 10, moving block 11, fixed groove 12, movable block 13, positioning rod 14, positioning groove 15, buffer spring 16 and fixed block 17.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of pneumatic impact drill that is easy to use, characterized by: The invention comprises a pneumatic impact drill body (1) and a handle (2) mounted on the pneumatic impact drill body (1); an annular block (3) is mounted on the bottom of the handle (2); a pluggable connecting block (4) is provided on the bottom of the annular block (3); and a movable arc-shaped clamping block (5) is provided on the left side of the handle (2).

2. A novel pneumatic impact drill that is easy to use according to claim 1, characterized in that: The invention also includes a connecting groove (6), wherein the connecting groove (6) is opened at the bottom of the connecting block (4), a servo motor (7) is installed on the right side of the inner wall of the connecting groove (6), a threaded rod (8) is installed on the left end of the output shaft of the servo motor (7), and a threaded block (9) is threadedly connected to the surface of the threaded rod (8).

3. A novel pneumatic impact drill that is easy to use according to claim 2, characterized in that: An adjusting block (10) is installed at the bottom of the threaded block (9), a moving block (11) is installed at the top of the adjusting block (10), and three fixing slots (12) are opened on the right side of the moving block (11).

4. A novel pneumatic impact drill that is easy to use according to claim 3, characterized in that: A movable block (13) is provided inside the fixed groove (12), a positioning rod (14) is installed on the left side of the movable block (13), a positioning groove (15) is provided on the left side of the inner wall of the fixed groove (12) and corresponding to the position of the positioning rod (14), the left end of the positioning rod (14) passes through the fixed groove (12) and the positioning groove (15) from right to left in sequence and extends to the inside of the positioning groove (15) and is in sliding contact with the inner wall of the positioning groove (15), and a buffer spring (16) is sleeved on the surface of the positioning rod (14).

5. The novel pneumatic impact drill according to claim 4 is characterized in that: A fixed block (17) is installed on the right side of the movable block (13), the right side of the fixed block (17) passes through the fixing slot (12) and extends to the outside thereof, and the right side of the fixed block (17) is fixedly connected to the left side of the arc-shaped clamping block (5).

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