External dust collection device for electric impact drill

Abstract

The utility model discloses an external dust collection device for an electric impact drill, and particularly relates to the field of electric tool auxiliary equipment, the external dust collection device comprises a dust collection cover, one end of the dust collection cover is provided with a leakage-proof cover, the two sides of the leakage-proof cover are provided with connecting lugs, and the connecting lugs are internally and rotatably provided with threaded sleeves; sliding rods are mounted at the ends, away from the leakage-proof cover, of the threaded sleeves correspondingly. The dust collection cover is arranged, the connecting ring and the attaching plate are arranged at one end of the dust collection cover, a handle on the attaching plate can be held by a hand in use to enable the connecting ring and the attaching plate to be attached to the wall surface, the other end of the dust collection cover is connected with the leakage-proof cover, and the rotating ring in the leakage-proof cover can rotate along with the drill bit, so that the dust collection device cannot hinder the work of the impact electric drill; in addition, a brush ring is further arranged in the leakage-proof cover, dust can be prevented from overflowing, the drill bit is cleaned, and the dustproof effect is better.

Description

Technical Field

[0001] The utility model relates to the field of electric tool auxiliary equipment, and more specifically, to an external dust suction device for an impact electric drill. Background Art

[0002] In construction work, the flying dust generated when using impact drills not only affects the construction environment, but also easily causes various adverse effects on the construction workers, such as vision and breathing. Therefore, construction workers will set up bags to collect flying dust at the drilling site, and the flying dust during the drilling process will fall into the bags. At present, in order to improve the ability to collect flying dust, some impact drills are equipped with dust hoods;

[0003] After searching, the existing patent (authorization announcement number: CN216682781 U) discloses a closed dust suction connection device, which involves the field of power tool auxiliary equipment. The technical solution is as follows: it includes a hollow truncated cone dust hood, openings are set at both ends of the dust hood, and an annular guide rail is set on the smaller end of the dust hood, and the guide rail is rotatably connected to the locking mechanism; the locking mechanism includes an annular rotating frame rotatably connected to the guide rail, an annular groove is set in the middle of the side wall of the rotating frame, and a linkage plate is rotatably connected in the annular groove. A plane rectangular thread is set on the linkage plate toward one side of the through groove, and a plurality of through grooves are arranged in an array on the side of the annular groove away from the guide groove. A locking block is slidably connected in each through groove, and a plurality of locking blocks are linked through the linkage plate. The beneficial effects of the utility model are: it is convenient to absorb and concentrate the dust generated during the operation of the electric drill, and avoid the dust from affecting the health of the operator and the environment on site; it can adapt to electric drills, impact drills, etc. of different sizes, and the adjustment is simple and fast, and the application range is wide.

[0004] The existing external dust collection device has poor versatility and cannot fit the wall well. In addition, the gap between the dust collection cover and the drill bit is large, so dust is easy to overflow and the dust collection effect cannot meet expectations. At the same time, the above-cited patent document does not propose relevant solutions to solve the above problems.

[0005] Therefore, in order to solve the above problems, an external dust suction device for an impact drill is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides an external dust suction device for an impact drill to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solution: an external dust suction device for an impact electric drill, comprising a dust collecting hood, a leak-proof cover is installed at one end of the dust collecting hood, and connecting ears are provided on both sides of the leak-proof cover, threaded sleeves are rotatably installed in the connecting ears, and a sliding rod is installed at one end of the threaded sleeve away from the leak-proof cover;

[0008] The outer sides of the slide rods are all sleeved with slide sleeves, and mounting hoops are connected between the slide sleeves. One end of the leak-proof cover close to the mounting hoop is rotatably connected with a rotating ring, and one end of the leak-proof cover close to the dust collecting cover is provided with a brush ring.

[0009] Preferably, the dust hood includes a bonding plate, a silicone telescopic sleeve, a connecting ring and a threaded ring, a threaded ring is fixed to the end of the silicone telescopic sleeve with a smaller diameter, and a connecting ring is fixed to the end of the silicone telescopic sleeve with a larger diameter, the bottom of the connecting ring is integrally connected with the bonding plate, and a handle is fixed to the end of the bonding plate close to the silicone telescopic sleeve.

[0010] Preferably, the silicone telescopic sleeve is designed to be an outwardly expanding trumpet-shaped sleeve, and the silicone telescopic sleeve is designed to be a double-layer structure. A coil spring is arranged in the interlayer of the silicone telescopic sleeve, and two ends of the coil spring are respectively in conflict with the connecting ring and the threaded ring.

[0011] Preferably, a threaded connection portion is provided at one end of the leak-proof cover close to the threaded ring, and the leak-proof cover is threadably connected to the threaded ring via the threaded connection portion.

[0012] Preferably, the outer surface of the slide rod is provided with scale lines, and one end of the slide rod close to the threaded sleeve is provided with an external thread that matches the internal thread of the threaded sleeve.

[0013] Preferably, the mounting hoop is formed by hingedly connecting two half hoops, and anti-skid rubber pads are bonded to the inner walls of the half hoops. One end of the half hoops away from the hinge axis extends outward to form a fastening plate, and a fastening bolt passes through the fastening plate.

[0014] Preferably, the brush ring comprises an outer ring clamped with the inside of the threaded connection part and a brush bonded to the inner wall of the outer ring, and the central axes of the connecting ring, threaded ring, brush ring, rotating ring and mounting hoop coincide.

[0015] Technical effects and advantages of the utility model:

[0016] 1. Compared with the prior art, the external dust suction device for the impact drill is provided with a dust collecting hood, one end of which is provided with a connecting ring and a fitting plate. When in use, the handle on the fitting plate can be held to make the connecting ring and the fitting plate close to the wall. The other end of the dust collecting hood is connected to a leak-proof cover, and the rotating ring inside the cover can rotate with the drill bit, so that the dust collecting device will not hinder the work of the impact drill. In addition, a brush ring is also provided inside the leak-proof cover to prevent dust from overflowing and clean the drill bit, so that the dust-proof effect is better.

[0017] 2. Compared with the prior art, the external dust suction device for the impact drill is provided with a mounting hoop, so that the device can be externally connected to the impact drill, is not easy to fall off during use, is more firmly fixed, and is convenient for disassembly and assembly. The mounting hoop is connected to the leak-proof cover through a sliding rod, and a scale line is provided on the sliding rod. When in use, the depth of the drilling can be controlled by observing the scale line, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model from the first viewing angle.

[0019] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle.

[0020] Figure 3 This is a schematic diagram of the structure of the leak-proof cover of the utility model.

[0021] Figure 4 This is a schematic diagram of the installation hoop structure of the utility model

[0022] Figure 5 This is a schematic diagram of the structure of the dust collecting hood of the utility model.

[0023] The accompanying drawings are marked as follows: 1. Dust hood; 101. Laminating plate; 102. Silicone telescopic sleeve; 103. Connecting ring; 104. Threaded ring; 2. Leak-proof cover; 201. Threaded connection part; 3. Connecting ear; 4. Sliding rod; 401. Scale line; 402. External thread; 5. Mounting hoop; 501. Half hoop; 502. Fastening plate; 6. Threaded sleeve; 7. Sliding sleeve; 8. Rotating ring; 9. Brush ring; 10. Anti-slip rubber pad; 11. Fastening bolt; 12. Coil spring; 13. Handle. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment 1

[0026] As attached Figure 1 An external dust suction device for an impact drill is shown, comprising a dust collecting cover 1, a leak-proof cover 2 is installed at one end of the dust collecting cover 1, and connecting ears 3 are arranged on both sides of the leak-proof cover 2, threaded sleeves 6 are rotatably installed in the connecting ears 3, and a sliding rod 4 is installed at one end of the threaded sleeve 6 away from the leak-proof cover 2;

[0027] The outer sides of the slide rods 4 are sleeved with slide sleeves 7, and mounting hoops 5 are connected between the slide sleeves 7. The end of the leak-proof cover 2 close to the mounting hoop 5 is rotatably connected with a rotating ring 8, and the end of the leak-proof cover 2 close to the dust collecting cover 1 is provided with a brush ring 9.

[0028] Among them: the rotating ring 8 can rotate with the drill bit, so that the device will not hinder the work of the impact drill. In addition, the brush ring 9 is designed to prevent dust from overflowing and clean the drill bit, so the dust prevention effect is better.

[0029] Embodiment 2

[0030] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 5 As shown, see the following description for details:

[0031] As a preferred embodiment, the dust hood 1 includes a bonding plate 101, a silicone telescopic sleeve 102, a connecting ring 103 and a threaded ring 104. The threaded ring 104 is fixed to the end of the silicone telescopic sleeve 102 with a smaller diameter, and the connecting ring 103 is fixed to the end of the silicone telescopic sleeve 102 with a larger diameter. The bottom of the connecting ring 103 is integrally connected to the bonding plate 101, and a handle 13 is fixed to the end of the bonding plate 101 close to the silicone telescopic sleeve 102; further, when in use, the handle 13 on the bonding plate 101 can be held to make the connecting ring 103 and the bonding plate 101 close to the wall to prevent dust from overflowing.

[0032] As a preferred embodiment, the silicone telescopic sleeve 102 is designed to be outwardly flared, and the silicone telescopic sleeve 102 is designed to be a double-layer structure. A coil spring 12 is arranged in the interlayer of the silicone telescopic sleeve 102, and the two ends of the coil spring 12 are respectively in conflict with the connecting ring 103 and the threaded ring 104; further, the outwardly flared design has a better dust collection effect, and the design of the built-in coil spring 12 makes the silicone telescopic sleeve 102 easy to retract, and the appearance is relatively straight, not easy to deform, and has a longer service life.

[0033] As a preferred embodiment, a threaded connection portion 201 is provided at one end of the leak-proof cover 2 close to the threaded ring 104, and the leak-proof cover 2 is threadedly connected to the threaded ring 104 through the threaded connection portion 201; further, the threaded connection design is convenient for disassembly and assembly, and it is convenient to select leak-proof covers 2 of different specifications according to drill bits of different specifications, and the applicability is stronger.

[0034] As a preferred embodiment, the outer surface of the sliding rod 4 is provided with scale lines 401, and the end of the sliding rod 4 close to the threaded sleeve 6 is provided with an external thread 402 that is compatible with the internal thread of the threaded sleeve 6; further, the design of the external thread 402 allows the sliding rod 4 to be threadedly connected to the threaded sleeve 6, and the device is more convenient to assemble and disassemble. The design of the scale lines 401 allows the user to control the depth of the drilling by observing the scale lines 401, which is more practical.

[0035] As a preferred embodiment, the mounting hoop 5 is formed by hingedly connecting two half hoops 501, and anti-slip rubber pads 10 are bonded to the inner walls of the half hoops 501, and the ends of the half hoops 501 away from the hinge axis extend outward to form fastening plates 502, and fastening bolts 11 penetrate the fastening plates 502; further, the design of the mounting hoop 5 enables the device to be externally connected to an impact drill, is not easy to fall off during use, is more firmly fixed, and is convenient for disassembly and assembly.

[0036] As a preferred embodiment, the brush ring 9 includes an outer ring clamped with the inside of the threaded connection part 201 and a brush bonded to the inner wall of the outer ring, and the central axis of the connecting ring 103, the threaded ring 104, the brush ring 9, the rotating ring 8 and the mounting hoop 5 coincide with each other; further, the design of the brush ring 9 can prevent dust from overflowing and clean the drill bit, and the dust prevention effect is better.

[0037] The working process of the utility model is as follows:

[0038] When in use, first use the mounting hoop 5 to assemble the device on the impact drill, connect the slide rod 4 with the threaded sleeve 6, and then thread the matching leak-proof cover 2 with the threaded ring 104 of the dust cover 1. The drill bit passes through the rotating ring 8 and is aligned with the punching part. When the electric drill is working, the rotating ring 8 can rotate with the drill bit. When in use, hold the handle 13 on the bonding plate 101 to make the connecting ring 103 and the bonding plate 101 close to the wall. The dust is confined in the dust cover 1 and collected. When in use, the depth of the punching can be controlled by observing the scale line 401. The brush ring 9 is designed to prevent dust from overflowing and clean the drill bit.

[0039] Finally: The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An external dust collection device for an impact drill, comprising a dust collecting hood (1), characterized in that: A leak-proof cover (2) is installed at one end of the dust collecting cover (1), and connecting ears (3) are arranged on both sides of the leak-proof cover (2), a threaded sleeve (6) is rotatably installed in each of the connecting ears (3), and a sliding rod (4) is installed at one end of the threaded sleeve (6) away from the leak-proof cover (2); The outer sides of the slide rods (4) are sleeved with slide sleeves (7), and mounting hoops (5) are connected between the slide sleeves (7); one end of the inside of the leak-proof cover (2) close to the mounting hoop (5) is rotatably connected with a rotating ring (8), and one end of the inside of the leak-proof cover (2) close to the dust collecting cover (1) is provided with a brush ring (9).

2. The external dust suction device for an impact drill according to claim 1, characterized in that: The dust collecting hood (1) comprises a bonding plate (101), a silicone telescopic sleeve (102), a connecting ring (103) and a threaded ring (104); the threaded ring (104) is fixed to the end of the silicone telescopic sleeve (102) with a smaller diameter, and the connecting ring (103) is fixed to the end of the silicone telescopic sleeve (102) with a larger diameter; the bottom of the connecting ring (103) is integrally connected to the bonding plate (101), and a handle (13) is fixed to the end of the bonding plate (101) close to the silicone telescopic sleeve (102).

3. The external dust suction device for an impact drill according to claim 2, characterized in that: The silicone telescopic sleeve (102) is designed to be an outwardly flared trumpet-shaped sleeve, and the silicone telescopic sleeve (102) is designed to be a double-layer structure. A coil spring (12) is arranged in the interlayer of the silicone telescopic sleeve (102), and the two ends of the coil spring (12) are respectively in conflict with the connecting ring (103) and the threaded ring (104).

4. The external dust suction device for an impact drill according to claim 2, characterized in that: A threaded connection portion (201) is provided at one end of the leak-proof cover (2) close to the threaded ring (104), and the leak-proof cover (2) is threadedly connected to the threaded ring (104) via the threaded connection portion (201).

5. The external dust suction device for an impact drill according to claim 1, characterized in that: The outer surface of the slide rod (4) is provided with scale lines (401), and one end of the slide rod (4) close to the threaded sleeve (6) is provided with an external thread (402) that matches the internal thread of the threaded sleeve (6).

6. The external dust suction device for an impact drill according to claim 1, characterized in that: The installation hoop (5) is formed by hingedly connecting two half hoops (501), and a non-slip rubber pad (10) is bonded to the inner wall of each half hoop (501). One end of each half hoop (501) away from the hinge axis extends outward to form a fastening plate (502), and a fastening bolt (11) penetrates the fastening plate (502).

7. The external dust suction device for an impact drill according to claim 4, characterized in that: The brush ring (9) comprises an outer ring clamped with the inside of the threaded connection part (201) and a brush bonded to the inner side wall of the outer ring, and the central axes of the connecting ring (103), the threaded ring (104), the brush ring (9), the rotating ring (8) and the mounting hoop (5) coincide with each other.

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