Electric drill dust collecting box provided with a clamping fixing mechanism

Abstract

The utility model discloses an electric drill dust box with a snap-fit ​​fixing mechanism, comprising an electric drill shell, a rotor holder is rotatably mounted on the outer surface of the electric drill shell, a lower fixing shell is arranged on the side surface of one end of the electric drill shell away from the rotor holder, and the side surface of the lower fixing shell is fitted with the outer surface of the electric drill shell, and a snap-fit ​​fixing mechanism is arranged on the outer surface of one side of the electric drill shell, and the lower fixing shell can be quickly fixed on the outer surface of the electric drill shell through the snap-fit ​​fixing mechanism. When the electric drill dust box with the snap-fit ​​fixing mechanism is used, the lower fixing shell and the upper fixing bar can be aligned and placed on the outer surface of the electric drill shell, and then the fitting block is inserted to fit the fitting block with the groove of the lower fixing shell, and then the pull button block is rotated to press the slider down to fit the slider with the groove of the upper fixing bar, so that the lower fixing shell and the upper fixing bar are tightened to clamp the electric drill shell, which is convenient for quick installation of the dust box.

Description

Technical Field

[0001] The utility model relates to the technical field of electric drills, in particular to an electric drill dust collecting box provided with a clamping fixing mechanism. Background Art

[0002] An electric drill is an electric tool mainly used for drilling holes in hard materials, such as wood, metal, bricks, etc. The initial prototype of the electric drill is very bulky. As time goes by and technology advances, the electric drill is constantly improved and optimized, becoming more lightweight, efficient and easy to use. It is also equipped with various auxiliary functions to improve work efficiency and accuracy. However, existing electric drills will generate a lot of dust when in use. After being inhaled, the dust will cause harm to the human body and endanger human health. For this reason, a dust collection tool needs to be installed on the electric drill. However, when the dust collection tool is installed on the electric drill shell, it cannot be installed and removed quickly, and the installation is very inconvenient. Utility Model Content

[0003] The utility model aims to provide an electric drill dust box with a clamping and fixing mechanism to solve the problem in the above background technology that the dust box is installed on the electric drill shell and is not easy to disassemble and install.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric drill dust box provided with a snap-fit ​​fixing mechanism, comprising an electric drill shell, a rotor holder is rotatably mounted on the outer surface of the electric drill shell, and the rotor holder and the electric drill shell are concentrically designed, a lower fixed shell is arranged on the side surface of one end of the electric drill shell away from the rotor holder, and the side surface of the lower fixed shell is fitted with the outer surface of the electric drill shell, and a lower shell box is fixedly mounted on the side surface of one end of the lower fixed shell close to the rotor holder, a snap-fit ​​fixing mechanism is arranged on the outer surface of one side of the electric drill shell, and the lower fixed shell can be quickly fixed to the outer surface of the electric drill shell through the snap-fit ​​fixing mechanism.

[0005] Preferably, the snap-fit ​​fixing mechanism includes: an upper fixing bar, the side surface of the upper fixing bar is fitted with the outer surface of the electric drill shell, and the electric drill shell and the upper fixing bar are of concentric design, the lower fixing shell is of concentric design with the electric drill shell, and the outer surface of the lower fixing shell is fitted with the outer surface of the lower fixing shell, the rotor fixer passes through the lower fixing shell, and the lower fixing shell and the rotor fixer are of concentric design, grooves are respectively provided on the outer surfaces of both ends of the lower fixing shell and the upper fixing bar, and the outer surface of the lower fixing shell is fitted with an engaging block, a pull block is rotatably installed on the outer surface of the engaging block close to one end of the upper fixing bar, and the pull block and the rotating shaft are eccentrically designed, a slider is slidably installed inside the engaging block, and the slider is fitted with the groove of the upper fixing bar, and the outer surface of the slider is fitted with the outer surface of the pull block.

[0006] By adopting the above technical solution, the upper fixing bar and the lower fixing shell can be buckled together, and then the inner fitting block can be inserted into the groove of the lower fixing shell. Then, the pull-button block can be rotated, and the slider can be pressed down by utilizing the eccentricity of the pull-button block to press the slider into the groove of the upper fixing bar. The fixing shell and the upper fixing bar can be clamped by the fitting block and the slider, and the fixing shell can be quickly fixed to the outer surface of the electric drill shell.

[0007] Preferably, a spring cover is fixedly installed on the outer surface of one end of the lower fixed shell away from the electric drill shell, and the spring cover and the lower fixed shell are concentrically designed, and a rubber cover mouth is fixedly installed on one end of the lower fixed shell away from the rotor holder, and a through groove is formed on the side surface of one end of the rubber cover mouth away from the lower shell box body, and the side surface of the rubber cover mouth is in contact with the outer surface of the wall.

[0008] By adopting the above technical solution, the spring cover can be extended and retracted through the elasticity of the spring cover, so that the rotor holder can gradually approach the wall when drilling, and at the same time, wind can pass through the groove of the rubber cover to suck away the drilled dust.

[0009] Preferably, a transmission mechanism is provided inside the lower shell body, and the transmission mechanism drives the components inside the lower shell body to rotate faster.

[0010] By adopting the above technical solution, the fan can be driven to rotate faster through the wheel diameter difference between the first gear and the second gear, so that the fan generates greater suction force.

[0011] Preferably, the transmission mechanism includes: a rubber roller, the rubber roller is rotatably installed inside the lower shell case, and a part of the rubber roller is located outside the lower shell case, the side surface of the rubber roller is in contact with the side surface of the rotor holder, and a first gear is fixedly installed on the outer surface of the rubber roller, and the first gear and the rubber roller are concentrically designed, a second gear is rotatably installed inside the lower shell case, and the second gear is meshed with the first gear, a fan is fixedly installed on the side of the second gear away from the rubber cover opening, the diameter of the first gear is larger than the diameter of the second gear, and circular holes are provided through the outer surfaces of both sides of the lower shell case, and the circular holes on both sides of the lower shell case are concentrically designed with the fan.

[0012] By adopting the above technical solution, the fan can be driven to rotate through the fit between the rotor holder and the rubber roller while the rotor holder rotates.

[0013] Preferably, a sliding mechanism is provided on the outer surface of one side of the lower shell body away from the electric drill shell, so that the dust drilled under can be conveniently collected through the sliding mechanism to prevent the dust from scattering everywhere.

[0014] By adopting the above technical solution, the dust produced by drilling can be retained in the lower fixed shell, preventing the dust from floating out and polluting the external ground.

[0015] Preferably, the sliding mechanism includes: a dust box, which is slidably mounted on the outer surface of one side of the lower shell body, and a ventilation groove is provided on the side of the dust box close to the fan, and filter cotton is provided on the side surface of the ventilation groove, the side surface of the filter cotton is fitted with the ventilation groove, and a rotating buckle is rotatably mounted on the outer surface of the lower shell body, and the outer surface of the rotating buckle is fitted with the side surface of the dust box.

[0016] By adopting the above technical solution, the dust can be sucked into the dust box through the suction force generated by the rotation of the fan, and filtered through the filter cotton to prevent the dust from floating out through the ventilation groove. At the same time, the dust box can be easily removed to deal with the dust in the dust box.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the electric drill dust collecting box provided with a clamping fixing mechanism:

[0018] 1. When in use, the lower fixed shell and the upper fixed bar can be aligned and placed on the outer surface of the electric drill shell, and then the inlay block can be inserted to engage the inlay block with the groove of the lower fixed shell, and then the pull block can be turned to press the slider down to engage the slider with the groove of the upper fixed bar, so that the lower fixed shell and the upper fixed bar can be tightened to clamp the electric drill shell, which is convenient for quick installation of the dust box;

[0019] 2. The rotation of the rotor holder will drive the rubber roller to rotate together, drive the first gear to rotate together, and the second gear meshing with the first gear will rotate together. The diameter difference between the second gear and the first gear increases the rotation speed of the second gear, so that the second gear drives the fan to rotate faster, so that the rotor holder rotates and punches holes, and automatically absorbs the scattered dust;

[0020] 3. As the fan rotates, wind will enter the lower fixed shell through the slot of the rubber cover, driving the dust into the dust box and discharged outward through the ventilation slot. The dust will be intercepted by the filter cotton, and the dust generated during punching will be sucked into the dust box. When use is completed, the rotating buckle can be turned open to separate the rotating buckle from the outer surface of the dust box. After that, the dust box can be pulled down from the side surface of the lower shell body, which is convenient for collecting and processing dust and preventing dust from being scattered on the ground outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the cutaway three-dimensional structure of the lower fixed shell and the spring cover of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the lower fixed shell and the lower shell box of the utility model;

[0023] Figure 3 This is a schematic diagram of the exploded three-dimensional structure of the fitting block, the sliding block and the buckle block of the utility model;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the lower shell body and the dust collecting box of the utility model when pulled out;

[0025] Figure 5 This is a schematic diagram of the cross-sectional three-dimensional structure of the lower housing and the second gear of the utility model;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the first gear and the second gear of the utility model.

[0027] In the figure: 1. electric drill housing; 2. lower fixed housing; 3. upper fixed strip; 4. fitting block; 5. slider; 6. buckle block; 7. spring cover; 8. rubber cover mouth; 9. lower housing; 10. rotor holder; 11. rubber roller; 12. first gear; 13. second gear; 14. fan; 15. filter cotton; 16. dust box; 17. ventilation groove; 18. rotating buckle. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-6The utility model provides a technical solution: an electric drill dust collecting box provided with a snap-fit ​​fixing mechanism, comprising an electric drill shell 1, a rotor holder 10 is rotatably mounted on the outer surface of the electric drill shell 1, and the rotor holder 10 and the electric drill shell 1 are concentrically designed, a lower fixed shell 2 is arranged on the side surface of one end of the electric drill shell 1 away from the rotor holder 10, and the side surface of the lower fixed shell 2 is in contact with the outer surface of the electric drill shell 1, and a lower shell box 9 is fixedly mounted on the side surface of one end of the lower fixed shell 2 close to the rotor holder 10, a snap-fit ​​fixing mechanism is arranged on one side outer surface of the electric drill shell 1, and the lower fixed shell 2 can be quickly fixed on the outer surface of the electric drill shell 1 through the snap-fit ​​fixing mechanism, and the snap-fit ​​fixing mechanism comprises: an upper fixing bar 3, and the side surface of the upper fixing bar 3 is in contact with the electric drill shell 1 is fitted with the outer surface of the upper fixed bar 3, and the electric drill shell 1 is concentrically designed with the upper fixed bar 3, the lower fixed shell 2 is concentrically designed with the electric drill shell 1, and the outer surface of the lower fixed shell 2 is fitted with the outer surface of the lower fixed shell 2, the rotor holder 10 passes through the lower fixed shell 2, and the lower fixed shell 2 and the rotor holder 10 are concentrically designed, grooves are respectively provided on the outer surfaces of both ends of the lower fixed shell 2 and the upper fixed bar 3, and the outer surface of the lower fixed shell 2 is engaged with the fitting block 4, the outer surface of the fitting block 4 close to one end of the upper fixed bar 3 is rotatably installed with a pull block 6, and the pull block 6 is eccentrically designed with the rotating shaft, a slider 5 is slidably installed inside the fitting block 4, and the slider 5 is engaged with the groove of the upper fixed bar 3, and the outer surface of the slider 5 is fitted with the outer surface of the pull block 6.

[0030] When using an electric drill to drill a hole, the lower fixing shell 2 and the upper fixing bar 3 can be aligned, and then the electric drill shell 1 can be inserted between the lower fixing shell 2 and the upper fixing bar 3, and then the fitting block 4 can be inserted into the groove of the lower fixing shell 2, and the pull block 6 can be rotated. Through the eccentric design of the pull block 6, the slider 5 is pressed down, so that the slider 5 is engaged with the groove of the upper fixing bar 3, and the lower fixing shell 2 can be quickly and conveniently fixed to the outer surface of the electric drill shell 1.

[0031] A spring cover 7 is fixedly installed on the outer surface of one end of the lower fixed shell 2 away from the electric drill shell 1, and the spring cover 7 and the lower fixed shell 2 are concentrically designed, and a rubber cover mouth 8 is fixedly installed on one end of the lower fixed shell 2 away from the rotor holder 10, and a through groove is formed on the side surface of one end of the rubber cover mouth 8 away from the lower shell box body 9, and the side surface of the rubber cover mouth 8 is in contact with the outer surface of the wall.

[0032] After the lower fixing shell 2 is installed, during the drilling operation, the spring cover 7 will push the rubber cover mouth 8 so that the rubber cover mouth 8 is in close contact with the outer surface of the wall, so that the rotor holder 10 can rotate and drill along with the advancement of the electric drill, so that the rubber cover mouth 8 is always in close contact with the outer surface of the wall.

[0033] A transmission mechanism is provided inside the lower shell case 9, and the components inside the lower shell case 9 are driven by the transmission mechanism to accelerate rotation. The transmission mechanism includes: a rubber roller 11, which is rotatably installed inside the lower shell case 9, and a part of the rubber roller 11 is located outside the lower shell case 9, the side surface of the rubber roller 11 is in contact with the side surface of the rotor holder 10, and a first gear 12 is fixedly installed on the outer surface of the rubber roller 11, and the first gear 12 and the rubber roller 11 are concentrically designed, a second gear 13 is rotatably installed inside the lower shell case 9, and the second gear 13 is meshed with the first gear 12, a fan 14 is fixedly installed on the side of the second gear 13 away from the rubber cover opening 8, the diameter of the first gear 12 is larger than the diameter of the second gear 13, and circular holes are provided through the outer surfaces of both sides of the lower shell case 9, and the circular holes on both sides of the lower shell case 9 are concentrically designed with the fan 14.

[0034] When the rotor holder 10 rotates, the rubber roller 11 is driven to rotate together, so that the first gear 12 is driven to rotate together, and the second gear 13 meshing with the first gear 12 is driven to rotate. Through the diameter difference between the second gear 13 and the first gear 12, the second gear 13 is driven to rotate faster, and the fan 14 is driven to rotate together, thereby accelerating the rotation speed of the fan 14 and increasing the amount of air drawn in.

[0035] A sliding mechanism is provided on the outer surface of one side of the lower shell body 9 away from the electric drill shell 1, through which the dust drilled under the drilling is conveniently collected to prevent the dust from flying around. The sliding mechanism includes: a dust box 16, which is slidably installed on the outer surface of one side of the lower shell body 9, and a ventilation groove 17 is provided on the side of the dust box 16 close to the fan 14, and a filter cotton 15 is provided on the side surface of the ventilation groove 17, and the side surface of the filter cotton 15 is fitted with the ventilation groove 17, and a rotating buckle 18 is rotatably installed on the outer surface of the lower shell body 9, and the outer surface of the rotating buckle 18 is fitted with the side surface of the dust box 16.

[0036] The rotation of the fan 14 will allow air to enter the lower fixed shell 2 through the groove of the rubber cover 8, carrying dust into the dust box 16, so that the air is discharged outward through the ventilation groove 17, and the dust can be filtered through the filter cotton 15 to prevent the dust from being discharged from the lower fixed shell 2. After use, the rotating buckle 18 can be opened to disengage the rotating buckle 18 from the dust box 16, and then the dust box 16 can be pulled out of the lower shell body 9, so that the dust in the dust box 16 can be cleaned conveniently.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric drill dust collecting box provided with a snap-fit ​​fixing mechanism, comprising an electric drill shell (1), a rotor holder (10) being rotatably mounted on the outer surface of the electric drill shell (1), and the rotor holder (10) and the electric drill shell (1) being of concentric design, a lower fixed shell (2) being arranged on the side surface of one end of the electric drill shell (1) away from the rotor holder (10), and the side surface of the lower fixed shell (2) being in contact with the outer surface of the electric drill shell (1), and a lower shell box (9) being fixedly mounted on the side surface of one end of the lower fixed shell (2) close to the rotor holder (10), characterized in that: A buckle fixing mechanism is provided on one side outer surface of the electric drill housing (1), and the lower fixing housing (2) can be quickly fixed to the outer surface of the electric drill housing (1) through the buckle fixing mechanism.

2. The electric drill dust collection box with a snap-fit ​​fixing mechanism according to claim 1, characterized in that: The buckle fixing mechanism comprises: an upper fixing bar (3), the side surface of the upper fixing bar (3) is in contact with the outer surface of the electric drill housing (1), and the electric drill housing (1) and the upper fixing bar (3) are designed to be concentric, the lower fixing housing (2) is designed to be concentric with the electric drill housing (1), and the outer surface of the lower fixing housing (2) is in contact with the outer surface of the lower fixing housing (2), the rotor fixer (10) passes through the lower fixing housing (2), and the lower fixing housing (2) and the rotor fixer (10) are designed to be concentric, and the lower fixing housing (2) and the rotor fixer (10) are designed to be concentric. (2) and the outer surfaces of both ends of the upper fixing strip (3) are respectively provided with grooves, and the outer surface of the lower fixing shell (2) is engaged with the inserting block (4), and the outer surface of the inserting block (4) close to one end of the upper fixing strip (3) is rotatably mounted with a pull-button block (6), and the pull-button block (6) and the rotating shaft are eccentrically designed, and a slider (5) is slidably mounted inside the inserting block (4), and the slider (5) is engaged with the groove of the upper fixing strip (3), and the outer surface of the slider (5) is in contact with the outer surface of the pull-button block (6).

3. The electric drill dust collection box with a snap-fit ​​fixing mechanism according to claim 1, characterized in that: A spring cover (7) is fixedly mounted on the outer surface of one end of the lower fixed shell (2) away from the electric drill shell (1), and the spring cover (7) and the lower fixed shell (2) are designed to be concentric, and a rubber cover (8) is fixedly mounted on one end of the lower fixed shell (2) away from the rotor holder (10), and a through groove is formed on the side surface of one end of the rubber cover (8) away from the lower shell box (9), and the side surface of the rubber cover (8) is in contact with the outer surface of the wall.

4. The electric drill dust collection box with a clamping and fixing mechanism according to claim 1, characterized in that: A transmission mechanism is arranged inside the lower shell case (9), and the transmission mechanism drives the parts inside the lower shell case (9) to rotate faster.

5. The electric drill dust collection box with a clamping and fixing mechanism according to claim 4, characterized in that: The transmission mechanism comprises: a rubber roller (11), the rubber roller (11) is rotatably mounted inside the lower shell case (9), and a part of the rubber roller (11) is located outside the lower shell case (9), the side surface of the rubber roller (11) is in contact with the side surface of the rotor holder (10), and a first gear (12) is fixedly mounted on the outer surface of the rubber roller (11), and the first gear (12) and the rubber roller (11) are designed to be concentric, a second gear (13) is rotatably mounted inside the lower shell case (9), and the second gear (13) is meshed with the first gear (12), a fan (14) is fixedly mounted on a side of the second gear (13) away from the rubber cover opening (8), the diameter of the first gear (12) is larger than the diameter of the second gear (13), and circular holes are provided through the outer surfaces of both sides of the lower shell case (9), and the circular holes on both sides of the lower shell case (9) are designed to be concentric with the fan (14).

6. The electric drill dust collection box with a snap-fit ​​fixing mechanism according to claim 1, characterized in that: A sliding mechanism is provided on the outer surface of the lower shell body (9) on one side away from the electric drill shell (1), and the sliding mechanism is used to conveniently collect the dust drilled under the drilling process, thereby preventing the dust from scattering everywhere.

7. The electric drill dust collection box with a snap-fit ​​fixing mechanism according to claim 6, characterized in that: The sliding mechanism comprises: a dust box (16), the dust box (16) being slidably mounted on the outer surface of one side of the lower shell body (9), and a ventilation groove (17) being provided on the side of the dust box (16) close to the fan (14), and a filter cotton (15) being arranged on the side surface of the ventilation groove (17), and the side surface of the filter cotton (15) being in contact with the ventilation groove (17), and a rotating buckle (18) being rotatably mounted on the outer surface of the lower shell body (9), and the outer surface of the rotating buckle (18) being in contact with the side surface of the dust box (16).

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