CN219541780U

CN219541780U - Dustproof perforating device

Info

Publication number: CN219541780U
Application number: CN202320670235.6U
Authority: CN
Inventors: 刘美娜
Original assignee: Shandong Longxin Jian'an Engineering Co ltd
Current assignee: Shandong Longxin Jian'an Engineering Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-18
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a dustproof perforating device which comprises an electric drill body and a dustproof device, wherein the electric drill body comprises an electric drill shell and a drill bit, the dustproof device comprises a fixed cylinder, an outer cylinder and an inner cylinder, a fixing piece is arranged between the fixed cylinder and the electric drill shell, the outer cylinder is connected inside the fixed cylinder in a sliding manner, the fixed cylinder is connected with a cylinder in a sliding manner, a fixed ring is fixedly connected between the cylinder and the outer cylinder, the inner cylinder comprises a telescopic rod, a circular ring and first filter cloth, two ends of the telescopic rod are respectively and fixedly connected with the circular ring and the drill bit, the first filter cloth is fixedly connected to the outer sides of the circular ring and the telescopic rod, and the outer cylinder is provided with second filter cloth. The utility model has the effect of reducing powder floating dust generated in the punching process.

Description

Dustproof perforating device

Technical Field

The utility model relates to the field of punching technology, in particular to a dustproof punching device.

Background

The hand-held electric drill is a portable perforating device most commonly used in the current engineering, and the hand-held electric drill uses a motor as a drive, so that a drill bit rotates at a high speed, the process of perforating on a wall, furniture or other objects is completed, and the installation and connection between all objects are facilitated.

The related art can refer to the chinese patent with publication number CN218286191U and discloses a lithium electric drill, which comprises a main body, wherein the main body comprises a casing and a drill bit, a slidable measuring rod is arranged on the casing, a positioning piece is rotatably arranged at one end of the measuring rod, the positioning piece comprises a positioning area, and when the positioning area is positioned below the measuring rod, the drill bit is propped against the positioning area. The measuring rod is arranged on the main body, the measuring rod slides on the moving block, the moving block slides on the main body, the measuring rod and the drill bit which are subjected to debugging are propped against the wall surface simultaneously, the measuring rod and the drill bit synchronously move, scales on the measuring rod and scales on the moving part are the depths of perforation, and the measuring rod is simple in structure and convenient to operate, so that depth measurement is realized.

Aiming at the related technology, the electric drill is easy to generate dust and fragments in the punching process, the fragments are splashed to scratch others, and the dust is scattered in the air to be inhaled, so that the physical health of the people is influenced.

Disclosure of Invention

In order to reduce powder floating dust generated in the punching process, the utility model provides a dustproof punching device.

The utility model provides a dustproof perforating device, which adopts the following technical scheme:

the utility model provides a dustproof perforating device, includes electric drill body and dust keeper, the electric drill body includes electric drill shell and drill bit, dust keeper includes fixed section of thick bamboo, urceolus and inner tube, is equipped with the mounting between fixed section of thick bamboo and the electric drill shell, urceolus sliding connection is inside fixed section of thick bamboo, fixed section of thick bamboo sliding connection has the drum, fixedly connected with solid fixed ring between drum and the urceolus, the inner tube includes telescopic link, ring and first filter cloth, telescopic link both ends respectively with ring and drill bit fixed connection, first filter cloth fixed connection is in ring and telescopic link outside, the urceolus is equipped with the second filter cloth.

Through adopting above-mentioned technical scheme, the inner tube rotates along with the drill bit, the powder that drill bit work produced at first contacts with the first filter cloth of inner tube, and outwards remove under inner tube pivoted centrifugal force effect, the great piece of granule is left on first filter cloth, the less dust of granule filters with the second filter cloth contact via first filter cloth, the twice filtration of first filter cloth and second filter cloth is blocked and can be left most dust between first filter cloth and second filter cloth, the scattering of dust has not only been avoided, electric drill work is accomplished simultaneously, after ring and the wall body separation, the dust also is difficult for dashing out from dust keeper and takes place the secondary to scatter.

Optionally, the pore diameter of the first filter cloth is larger than the pore diameter of the second filter cloth.

Through adopting above-mentioned technical scheme, first filter cloth stops the bigger piece of granule earlier, and the second filter cloth stops the smaller dust of granule again, is favorable to improving the interception efficiency of first filter cloth and second filter cloth.

Optionally, the below fixedly connected with water storage spare of electric drill shell, water storage spare can dismantle and be connected with the play water hose, and drum, solid fixed ring and urceolus and with urceolus fixed connection are worn to establish to the other end of play water hose, and the play water end of play water hose is close to the second filter cloth.

Through adopting above-mentioned technical scheme, the water storage spare is through going out water hose and is carried water to second filter cloth department, wets the second filter cloth, makes the dust wet adhesion on the second filter cloth, has further avoided the scattering of dust.

Optionally, the mounting includes collar, a plurality of bolt and a plurality of arc, collar and fixed section of thick bamboo fixed connection, arc and corresponding bolt fixed connection, the bolt wears to establish the collar and with collar threaded connection.

Through adopting above-mentioned technical scheme, the distance between the arc is adjusted in the bolt rotation, and the arc presss from both sides tightly the electric drill shell, accomplishes the installation of fixed section of thick bamboo and electric drill shell and fixes and dismantle, is convenient for the dismantlement and the washing of fixed section of thick bamboo.

Optionally, the electric drill shell is provided with a mounting groove matched with the arc plate.

Through adopting above-mentioned technical scheme, the bolt rotation inserts the arc in the mounting groove, is favorable to improving the connection stability between fixed section of thick bamboo and the electric drill shell.

Optionally, the urceolus fixedly connected with spring, the other end fixedly connected with go-between of spring.

Through adopting above-mentioned technical scheme, during electric drill work, take place relative slip between urceolus and the fixed section of thick bamboo, the spring takes place the compression, closely laminates urceolus and wall body, is favorable to improving airtight between urceolus and the wall body, avoids piece and dust to fly out.

Optionally, the fixed cylinder is connected with a stop block in a sliding way, and the cylinder is fixedly connected with an annular baffle.

Through adopting above-mentioned technical scheme, the dog has spacing effect to annular baffle, guarantees that the electric drill during operation, and the drum can not slide at will and break away from fixed section of thick bamboo.

Optionally, an elastic sealing pad is fixedly connected with one end of the fixing ring away from the drill bit body.

Through adopting above-mentioned technical scheme, elastic sealing pad contradicts with the wall body, and elastic sealing pad can take place deformation adaptation different planar wall bodies, is favorable to further improving the seal between dust keeper and the wall body, avoids dust and piece to fly out.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the inner barrel rotates along with the drill bit, powder generated by the operation of the drill bit is firstly contacted with the first filter cloth of the inner barrel and moves outwards under the action of centrifugal force generated by the rotation of the inner barrel, the chips with larger particles are reserved on the first filter cloth, the dust with smaller particles is filtered through the first filter cloth and is contacted with the second filter cloth, and most of the dust can be reserved between the first filter cloth and the second filter cloth by blocking the first filter cloth and the second filter cloth through twice filtration, so that the dust is not only prevented from scattering, but also the dust is not easy to be washed out from the dust-proof device to generate secondary scattering after the electric drill operation is finished and the circular ring is separated from the wall body;

2. the water storage part conveys water to the second filter cloth through the water outlet hose, wets the second filter cloth, wets and adheres to the second filter cloth, and further avoids scattering of dust;

3. when the electric drill works, the outer cylinder and the fixed cylinder slide relatively, the spring compresses, the outer cylinder is tightly attached to the wall, the sealing between the outer cylinder and the wall is facilitated to be improved, and chips and dust are prevented from flying out.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a dustproof perforating device.

Fig. 2 is a schematic cross-sectional view of a dust guard.

Fig. 3 is a schematic cross-sectional view of the fixture.

Reference numerals illustrate: 1. an electric drill body; 2. a dust-proof device; 11. an electric drill housing; 12. a drill bit; 21. a fixed cylinder; 22. an outer cylinder; 23. an inner cylinder; 24. a fixing member; 25. a cylinder; 26. a fixing ring; 231. a telescopic rod; 232. a circular ring; 233. a first filter cloth; 221. a second filter cloth; 3. a water storage member; 31. a water outlet hose; 241. a mounting ring; 242. a bolt; 243. an arc-shaped plate; 244. a mounting groove; 222. a spring; 223. a connecting ring; 211. a stop block; 251. an annular baffle; 261. an elastic sealing gasket.

Detailed Description

The present utility model will be described in further detail below with reference to the accompanying drawings.

The embodiment of the utility model discloses a dustproof perforating device.

Examples

Referring to fig. 1 and 2, a dustproof perforating device, including electric drill body 1 and dust keeper 2, electric drill body 1 includes electric drill shell 11 and drill bit 12, and dust keeper 2 sets up in the drill bit 12 outside, and when the electric drill during operation, the piece and the powder that drill bit 12 drilling produced are blockked through dust keeper 2, can not splash the injury staff or be inhaled by the staff, are favorable to protecting the healthy of staff.

Referring to fig. 1 and 2, the dust keeper 2 includes a fixed cylinder 21, an outer cylinder 22 and an inner cylinder 23, a fixing piece 24 is provided between the fixed cylinder 21 and the electric drill housing 11, the fixed cylinder 21 is connected with the electric drill housing 11 by the fixing piece 24, so that a worker can detach and clean the fixed cylinder 21, and the inner cylinder 23 is exposed after the fixed cylinder 21 is detached, so that the inner cylinder 23 can be cleaned conveniently. The fixing member 24 includes a mounting ring 241, a plurality of bolts 242 and a plurality of arc plates 243, the mounting ring 241 is fixedly connected with the fixing barrel 21, and the mounting ring 241 is disposed at one end of the fixing barrel 21 near the electric drill body 1.

Referring to fig. 1 and 3, the bolts 242 are all threaded through the mounting ring 241 and are in threaded connection with the mounting ring 241, when the bolts 242 rotate, the bolts 242 move along the radial direction of the mounting ring 241, the arc-shaped plates 243 are fixedly connected with the corresponding bolts 242, and when the bolts 242 rotate and move, the arc-shaped plates 243 are driven to move together with the bolts 242, so that one side of the arc-shaped plates 243 away from the bolts 242 is abutted against the electric drill housing 11.

Referring to fig. 1 and 3, the electric drill housing 11 is provided with a mounting groove 244 adapted to the arc plate 243, the bolt 242 continues to rotate so that the arc plate 243 moves further, all the arc plates 243 are inserted into the corresponding mounting grooves 244, and the mounting groove 244 has a limiting effect on the arc plates 243, so that the connection stability between the fixed barrel 21 and the electric drill housing 11 is improved.

Referring to fig. 1 and 2, the outer cylinder 22 is slidably connected to the inside of the fixed cylinder 21, the fixed cylinder 21 is slidably connected with the cylinder 25, a fixed ring 26 is fixedly connected between the cylinder 25 and the outer cylinder 22, the outer cylinder 22 is fixedly connected with a spring 222, the other end of the spring 222 is fixedly connected with a connecting ring 223, when the spring 222 is in a natural state, the drill bit 12 is positioned in the fixed ring 26, and when a worker abuts against the wall body with the electric drill, the fixed ring 26 abuts against the wall body before the drill bit 12.

Referring to fig. 1 and 2, the outer cylinder 22 is provided with a second filter cloth 221, the lower part of the electric drill shell 11 is fixedly connected with a water storage part 3, before using the electric drill, a worker firstly adds water into the water storage part 3, the water storage part 3 is detachably connected with a water outlet hose 31, the other end of the water outlet hose 31 penetrates through the cylinder 25, the fixing ring 26 and the outer cylinder 22 and is fixedly connected with the outer cylinder 22, water is transported from the water storage part 3 through the water outlet hose 31, the water outlet end of the water outlet hose 31 is close to the second filter cloth 221, and water flows out from the water outlet hose 31 to moisten the second filter cloth 221.

Referring to fig. 1 and 2, when a worker uses the electric drill, the fixing ring 26 is abutted against the wall body, and then the worker moves the electric drill in a direction close to the wall body, so that the circular ring 232, the fixing ring 26 and the outer cylinder 22 slide, the spring 222 compresses, and the spring 222 has an elastic force action on the outer cylinder 22 in a direction far away from the electric drill body 1, so that the fixing ring 26 is always tightly attached to the wall body in the working process of the electric drill.

Referring to fig. 1 and 2, an elastic sealing pad 261 is fixedly connected to one end of the fixing ring 26 far away from the drill bit 12 body, the elastic sealing pad 261 is located between the fixing ring 26 and the wall, the elastic sealing pad 261 deforms to adapt to different planes, the elastic sealing pad 261 is matched with the spring 222, and the sealing performance between the fixing barrel 21 and the wall is further improved.

Referring to fig. 1 and 2, the inner cylinder 23 includes a telescopic rod 231, a circular ring 232 and a first filter cloth 233, two ends of the telescopic rod 231 are fixedly connected with the circular ring 232 and the drill bit 12 respectively, the first filter cloth 233 is fixedly connected to the outer sides of the circular ring 232 and the telescopic rod 231, scraps and dust generated during electric drill work are firstly contacted with the first filter cloth 233, the aperture of the first filter cloth 233 is larger than that of the second filter cloth 221, scraps with larger particles firstly fall on the lower end part of the inner cylinder 23 and rotate along with the inner cylinder 23, and dust with smaller particles enters a gap between the first filter cloth 233 and the second filter cloth 221 through screening of the first filter cloth 233 under the action of centrifugal force in the process of rotating along with the inner cylinder 23, and meanwhile, the telescopic rod 231 is compressed along with the approach of the drill bit 12 and a wall body, so that the normal work of the drill bit 12 is ensured.

Referring to fig. 1 and 2, the second filter cloth 221 is wetted by water, and when dust contacts with the second filter cloth 221, the dust is wetted by water and attached to the second filter cloth 221, so that the electric drill is completed, and after being separated from a wall body, the dust is not easy to fall from one end of the dust-proof device 2 far away from the electric drill body 1 to form secondary scattering.

Referring to fig. 1 and 2, the fixed cylinder 21 is slidably connected with a stopper 211, the cylinder 25 is fixedly connected with a ring-shaped baffle 251, the stopper 211 moves toward the center direction of the fixed cylinder 21 along the radial direction of the fixed cylinder 21, so that the stopper 211 is abutted against the outer wall of the cylinder 25, and the stopper 211 limits the ring-shaped baffle 251 in the sliding process of the cylinder 25, thereby preventing the cylinder 25 from sliding and separating from the fixed cylinder 21 and ensuring the normal operation of the dust-proof device 2.

Referring to fig. 2 and 3, the stopper 211 is moved in a direction away from the cylinder 25, the water outlet hose 31 is detached from the water storage member 3, and the cylinder 25, the fixing ring 26 and the outer cylinder 22 are pulled to be separated from the fixing cylinder 21, so that a worker can conveniently clean the outer cylinder 22 and the second filter cloth 221, and simultaneously the fixing cylinder 21 is detached from the electric drill housing 11 (refer to fig. 1) by rotating the bolts 242, so that the inner cylinder 23 is exposed outside, and the worker can conveniently clean the inner cylinder 23 and the first filter cloth 233.

The implementation principle of the dustproof perforating device provided by the embodiment of the utility model is as follows: the dust keeper 2 sets up in the drill bit 12 outside, and first filter cloth 233 matches with second filter cloth 221, blocks the piece and the dust that produce in the drill bit 12 working process, when avoiding splashing with the piece and hurting the people, reduces staff's dust and inhale, is favorable to guaranteeing staff's health, and simultaneously water storage 3 wets second filter cloth 221, and when avoiding dust keeper 2 and wall body separation, the dust falls out and forms the secondary and flies.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a dustproof perforating device, includes electric drill body (1) and dust keeper (2), its characterized in that: electric drill body (1) is including electric drill shell (11) and drill bit (12), dust keeper (2) are including fixed section of thick bamboo (21), urceolus (22) and inner tube (23), be equipped with mounting (24) between fixed section of thick bamboo (21) and electric drill shell (11), urceolus (22) sliding connection is inside fixed section of thick bamboo (21), fixed section of thick bamboo (21) sliding connection has drum (25), fixedly connected with solid fixed ring (26) between drum (25) and urceolus (22), inner tube (23) include telescopic link (231), ring (232) and first filter cloth (233), telescopic link (231) both ends respectively with ring (232) and drill bit (12) fixed connection, first filter cloth (233) fixed connection is in the outside of ring (232) and telescopic link (231), urceolus (22) are equipped with second filter cloth (221).

2. A dust-proof punch device as claimed in claim 1, wherein: the aperture of the first filter cloth (233) is larger than that of the second filter cloth (221).

3. A dust-proof punch device as claimed in claim 1, wherein: the electric drill is characterized in that a water storage part (3) is fixedly connected below the electric drill shell (11), a water outlet hose (31) is detachably connected to the water storage part (3), the other end of the water outlet hose (31) penetrates through the cylinder (25), the fixing ring (26) and the outer cylinder (22) and is fixedly connected with the outer cylinder (22), and the water outlet end of the water outlet hose (31) is close to the second filter cloth (221).

4. A dust-proof punch device as claimed in claim 1, wherein: the fixing piece (24) comprises a mounting ring (241), a plurality of bolts (242) and a plurality of arc plates (243), wherein the mounting ring (241) is fixedly connected with the fixing cylinder (21), the arc plates (243) are fixedly connected with the corresponding bolts (242), and the bolts (242) penetrate through the mounting ring (241) and are in threaded connection with the mounting ring (241).

5. The dust-proof punch device according to claim 4, wherein: the electric drill shell (11) is provided with a mounting groove (244) which is matched with the arc-shaped plate (243).

6. A dust-proof punch device as claimed in claim 1, wherein: the outer cylinder (22) is fixedly connected with a spring (222), and the other end of the spring (222) is fixedly connected with a connecting ring (223).

7. A dust-proof punch device as claimed in claim 1, wherein: the fixed cylinder (21) is connected with a stop block (211) in a sliding mode, and the cylinder (25) is fixedly connected with an annular baffle plate (251).

8. A dust-proof punch device as claimed in claim 1, wherein: and one end of the fixed ring (26) far away from the drill bit (12) body is fixedly connected with an elastic sealing pad (261).