CN108015719B - Detachable drill bit with dust collection function - Google Patents
Detachable drill bit with dust collection function Download PDFInfo
- Publication number
- CN108015719B CN108015719B CN201711403696.2A CN201711403696A CN108015719B CN 108015719 B CN108015719 B CN 108015719B CN 201711403696 A CN201711403696 A CN 201711403696A CN 108015719 B CN108015719 B CN 108015719B
- Authority
- CN
- China
- Prior art keywords
- dust
- dust collection
- shaft
- drill bit
- axle sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000428 dust Substances 0.000 title claims abstract description 130
- 238000005553 drilling Methods 0.000 claims abstract description 31
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 210000002445 nipple Anatomy 0.000 claims 1
- 239000002245 particle Substances 0.000 description 8
- 239000012634 fragment Substances 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/02—Percussive tool bits
Abstract
The invention provides a detachable drill bit with a dust collection function, which comprises a dust collection drill bit, a fixed shaft sleeve, a dust collection shaft, a tool handle piece and a threaded hose, wherein the dust collection shaft is fixedly welded with the dust collection drill bit, the tool handle piece is fixedly welded by the dust collection shaft, the front end of the dust collection drill bit is fixedly provided with a drilling end, a suction hole along the central axis direction of the dust collection drill bit is formed in the dust collection drill bit, the dust collection shaft is of a hollow cylindrical structure, a dust falling hole is formed in the outer wall of the dust collection shaft, the suction hole is communicated with the dust collection shaft, the fixed shaft sleeve is sleeved on the periphery of the dust collection shaft, the bottom end of the fixed shaft sleeve is provided with a guide hole, the threaded connection transfer tube of the guide hole is connected with the threaded hose through a connecting tube, and the guide hole is connected with the threaded hose through a clamp.
Description
Technical Field
The invention relates to the technical field of lighting lamps, in particular to a detachable drill bit with a dust collection function.
Background
Electric hammers are one of the types of electric drills used mainly for drilling holes in concrete, floors, brick walls and stone. The multifunctional electric hammer is specially used for punching holes on wall surfaces, concrete and stones, and can be adjusted to a proper position and matched with a proper drill bit to replace a common electric drill for use. The electric hammer is based on electric drill, and has one piston with crankshaft and connecting rod driven by motor to compress air reciprocally in one cylinder to make the air pressure in the cylinder change periodically. Because the drill bit of the electric hammer rotates and simultaneously generates quick reciprocating motion along the direction of the electric drill rod, the electric hammer can quickly punch holes in cement concrete, stone and other materials with high brittleness.
The invention discloses a dust collection drill bit assembly, which is disclosed in Chinese patent application with the application number of 201410614000.0, and comprises a frame, wherein a motor and a drill bit are arranged on the frame, a dust collection pipeline is arranged on the front side of the drill bit, a dust collection basket is arranged on the dust collection pipeline, and when the drill bit works, the motor is synchronously started to synchronously adsorb generated dust into the dust collection basket. The dust collection pipeline is easy to block after long-time use or when encountering concrete with high structural strength, and the dust collection effect is affected.
Disclosure of Invention
The invention aims to provide a detachable drill bit with a dust collection function, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a detachable drill bit with dust absorption function, includes dust absorption drill bit, fixed axle sleeve, dust collection axle, handle of a knife spare and threaded hose, dust absorption drill bit fixed welding dust collection axle, dust collection axle fixed welding handle of a knife spare, dust absorption drill bit's front end fixed mounting drilling end, dust absorption drill bit's inside is formed with the edge dust absorption drill bit's center pin direction's suction hole, dust collection axle is hollow cylinder structure to be provided with the dust fall hole on its outer wall, suction hole intercommunication dust collection axle, dust collection axle's periphery has cup jointed fixed axle sleeve, fixed axle sleeve includes left axle sleeve and right axle sleeve, evenly be provided with four sets of fastening bolt on the right side axle sleeve, four sets of fastening bolt runs through in proper order right side axle sleeve with threaded connection anti-slip nut behind the left axle sleeve, the fixed axle sleeve bottom is provided with the water conservancy diversion hole, the bottom of water conservancy diversion hole is the helicitic texture to threaded connection adapter tube passes through the throat clamp connection threaded hose, set up two sets of radial spouts on the dust collection axle, be provided with the dust fall dirt hole on its outer wall, radial spout, a plurality of ball and a plurality of radial ball bearing set up to the radial ball and the ball on the ball ring.
Preferably, the front end of the drilling end is provided with six groups of drilling blades which are integrally processed with the drilling end, and the six groups of drilling blades are arranged radially.
Preferably, a group of suction holes are arranged between adjacent drilling blades, and the suction holes are uniformly distributed in a circumferential direction around the axial central shaft of the dust collection drill bit.
Preferably, six groups of broken fragments are fixedly arranged at the inlet of the front end of the suction hole, the six groups of broken fragments are of triangular pyramid structures, crushing cutters are fixedly arranged on side edges of the broken fragments, which are close to the central shaft of the suction hole, and the crushing cutters are made of low-carbon high-chromium steel.
Preferably, the dust falling holes and the flow guiding holes are positioned on the same vertical plane, the dust falling holes are provided with four groups, the four groups of dust falling holes are uniformly distributed on the outer surface of the dust collecting shaft around the axial center shaft of the dust collecting shaft, and the aperture size of the dust falling holes is in the range of 1.2-1.6 cm and is smaller than that of the flow guiding holes.
Preferably, the threaded hose is a transparent plastic hose, the length of the threaded hose is larger than 1.2m, and the tail end of the threaded hose is connected with the dust collection inlet end of the dust collector in a threaded manner.
Compared with the prior art, the invention has the beneficial effects that:
1. the dust collector is simple in structure and convenient to install, six groups of broken fragments are fixedly arranged at the inlet of the front end of the suction hole, large dust entering the suction hole is broken through the broken fragments, the suction hole is prevented from being blocked, the dust collection efficiency is improved, the fixed shaft sleeve and the dust collection shaft are easy to detach, and the dust collector can be conveniently cleaned and maintained;
2. the six groups of drilling blades and the front end of the drilling end are integrally processed, so that when the electric hammer is used, the drilling blades can efficiently and conveniently impact and punch the concrete, and dust particles after punching are small, so that the dust particles can be conveniently sucked into the suction holes;
3. according to the invention, the crushing cutter is fixedly arranged on the side edge of the crushing block, which is close to the central shaft of the suction hole, so that on one hand, large dust can be prevented from entering the suction hole, and on the other hand, the crushing block made of low-carbon high-chromium steel is utilized to crush the dust sucked into the suction hole, so that the particle size of dust particles is effectively reduced;
4. the fixed shaft sleeve is connected into a whole by the left shaft sleeve and the right shaft sleeve through the four groups of fastening bolts, is convenient to detach, and is matched with the dust collecting shaft and the fixed shaft sleeve in a sliding way through the balls, so that on one hand, the relative transverse displacement between the dust collecting shaft and the fixed shaft sleeve is limited, and on the other hand, the dust collecting shaft and the fixed shaft sleeve can rotate, namely, the transfer pipe can radially rotate, so that the dust collecting device is suitable for various workplaces, and is simple and convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a drilling end structure according to the present invention;
FIG. 3 is a schematic view of a broken block structure in the present invention;
FIG. 4 is a schematic view of the structure of the fixed shaft sleeve and dust collecting shaft in the present invention;
FIG. 5 is a schematic view of the cross-sectional structure A-A of FIG. 4;
fig. 6 is a schematic view of a dust collecting shaft according to the present invention.
In the figure: 1 dust collection drill bit, 101 drilling end, 102 suction hole, 103 drilling blade, 104 broken piece, 105 crushing knife, 2 fixed shaft sleeve, 201 left shaft sleeve, 202 right shaft sleeve, 203 fastening bolt, 204 anti-slip nut, 205 diversion hole, 206 annular groove, 3 dust collection shaft, 301 dust falling hole, 302 radial chute, 4 knife handle piece, 5 screw hose, 6 switching tube, 7 throat hoop, 8 ball.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: a detachable drill bit with dust collection function comprises a dust collection drill bit 1, a fixed shaft sleeve 2, a dust collection shaft 3, a cutter handle 4 and a threaded hose 5. The dust collection drill bit 1 is fixedly welded with a dust collection shaft 3, and the dust collection shaft 3 is fixedly welded with a cutter handle member 4. The front end of the dust absorption drill bit 1 is fixedly provided with a drilling end 101, the inside of the dust absorption drill bit 101 is provided with a suction hole 102 along the central axis direction of the dust absorption drill bit 1, a dust collecting shaft 3 is of a hollow cylindrical structure, the outer wall of the dust collecting shaft is provided with a dust falling hole 301, the suction hole 102 is communicated with the dust collecting shaft 3, the periphery of the dust collecting shaft 3 is sheathed with a fixed shaft sleeve 2, the fixed shaft sleeve 2 comprises a left shaft sleeve 201 and a right shaft sleeve 202, four groups of fastening bolts 203 are uniformly arranged on the right shaft sleeve 202, the four groups of fastening bolts 203 sequentially penetrate through the right shaft sleeve 202 and the left shaft sleeve 201 and are connected with anti-slip nuts 204 in a threaded manner, the bottom end of the fixed shaft sleeve 2 is provided with a diversion hole 205, the bottom end of the diversion hole 205 is of a threaded structure and is connected with a transfer tube 6 in a threaded manner, the transfer tube 6 is connected with a threaded hose 5 through a throat hoop 7, two groups of radial sliding grooves 302 are arranged on the dust collecting shaft 3, a plurality of balls 8 are arranged on the radial sliding grooves 302, the radial sliding grooves 302 are in sliding fit with the outer periphery of the dust collecting shaft 3, the left shaft sleeve 201 and the right shaft sleeve 202 are provided with annular grooves 206 which are opposite to the positions of the radial sliding grooves 206, the annular grooves 8 are in sliding fit with the balls 8, the dust collecting shaft 3 sliding with the positions of the corresponding radial sliding grooves 2, the dust collecting shaft 3 and the fixed shaft 3 are in the radial sliding grooves 2.
Further, the front end of the drilling end 101 is provided with six groups of drilling blades 103 integrally processed with the drilling end, the six groups of drilling blades 103 are arranged radially, the drilling blades 103 are efficient and convenient for punching concrete, dust particles after punching are small, and the dust particles are convenient to suck into the suction holes 102.
Further, a group of suction holes 102 are arranged between adjacent drilling blades 103, the suction holes 102 are uniformly distributed in a circumferential direction around the axial central axis of the dust collection drill bit 1, and by arranging six groups of suction holes 102, after one group of suction holes 102 is blocked, the other five groups of suction holes 102 can still work continuously.
Further, six groups of crushing blocks 104 are fixedly installed at the inlet of the front end of the suction hole 102, the six groups of crushing blocks 104 are of triangular pyramid structures, crushing cutters 105 are fixedly installed on side edges of the central shaft of the suction hole 102, the crushing cutters 105 are made of low-carbon high-chromium steel, the low-carbon high-chromium steel is high in strength, dust sucked into the suction hole 102 can be crushed, accordingly the particle size of dust particles is effectively reduced, and the suction hole 102 is prevented from being blocked.
Further, the dust falling holes 301 and the flow guiding holes 205 are located on the same vertical plane, the dust falling holes 301 are provided with four groups, the four groups of dust falling holes 301 are uniformly distributed on the outer surface of the dust collecting shaft 3 around the axial center axis of the dust collecting shaft 3, and the aperture size of the dust falling holes 301 is in the range of 1.2-1.6 cm and is smaller than that of the flow guiding holes 205.
Further, the threaded hose 5 is a transparent plastic hose, the length of which is greater than 1.2m, and the tail end of which is in threaded connection with the dust suction inlet end of the dust collector.
Working principle: when the suction drill is used, firstly, whether the suction hole 102 is blocked or not is checked, if yes, the dust suction drill bit 1 needs to be replaced, if no, the tail end of the cutter handle 4 is fixed on the electric hammer, the power switch of the dust collector connected with the threaded hose 5 is firstly turned on, and then the power switch of the electric hammer is turned on, so that the perforation operation can be performed.
The drilling end 101 is used for perforating concrete, meanwhile, generated dust is sucked out by the suction hole 102 at the front end of the drilling end 101, the dust enters the threaded hose 5 through the hollow dust collecting shaft 3, the dust is collected by the dust collector, and most of the dust generated during drilling can be sucked out.
Although 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 alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a detachable drill bit with dust absorption function, includes dust absorption drill bit (1), fixed axle sleeve (2), album dirt axle (3), handle of a knife spare (4) and threaded hose (5), its characterized in that: dust absorption drill bit (1) fixed welding dust collection shaft (3), dust collection shaft (3) fixed welding handle of a knife spare (4), the front end fixed mounting drilling end (101) of dust absorption drill bit (1), the inside of drilling end (101) is formed with and follows suction hole (102) of the center pin direction of dust absorption drill bit (1), dust collection shaft (3) are hollow cylinder structure to be provided with dust fall hole (301) on its outer wall, suction hole (102) intercommunication dust collection shaft (3), the periphery of dust collection shaft (3) has cup jointed fixed axle sleeve (2), fixed axle sleeve (2) are including left axle sleeve (201) and right axle sleeve (202), evenly be provided with four sets of fastening bolt (203) on right axle sleeve (202), four sets of fastening bolt (203) run through in proper order right axle sleeve (202) with screw thread connection antiskid nut (204) behind left axle sleeve (201), fixed axle sleeve (2) bottom is provided with water conservancy diversion hole (205), water conservancy diversion hole (6) are radial screwed connection collar (6) are connected to the bottom of dust collection shaft (3), two sets of hose nipple (6) are connected through radial screwed connection collar (6), a plurality of balls (8) are arranged on the radial sliding groove (302), the balls (8) are in sliding fit with the radial sliding groove (302), annular grooves (206) opposite to the radial sliding groove (302) are arranged on the left shaft sleeve (201) and the right shaft sleeve (202), and the annular grooves (206) are in sliding fit with the balls (8);
six groups of drilling blades (103) which are integrally processed with the drilling end (101) are arranged at the front end of the drilling end, and the six groups of drilling blades (103) are radially arranged;
a group of suction holes (102) are arranged between the adjacent drilling blades (103), and the suction holes (102) are uniformly distributed in a circumferential direction around the axial central shaft of the dust collection drill bit (1);
six groups of crushing blocks (104) are fixedly arranged at the inlet of the front end of the suction hole (102), the six groups of crushing blocks (104) are of triangular pyramid structures, crushing cutters (105) are fixedly arranged on side edges, close to the central shaft of the suction hole (102), of the crushing blocks, and the crushing cutters (105) are made of low-carbon high-chromium steel;
the dust falling holes (301) and the flow guiding holes (205) are positioned on the same vertical plane, the dust falling holes (301) are provided with four groups, the four groups of dust falling holes (301) are uniformly distributed on the outer surface of the dust collecting shaft (3) around the axial center shaft of the dust collecting shaft (3), and the aperture size of the dust falling holes (301) is in the range of 1.2-1.6 cm and is smaller than that of the flow guiding holes (205).
2. A detachable drill bit with dust extraction function according to claim 1, wherein: the thread hose (5) is a transparent plastic hose, the length of the thread hose is larger than 1.2m, and the tail end of the thread hose is in threaded connection with the dust collection inlet end of the dust collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403696.2A CN108015719B (en) | 2017-12-22 | 2017-12-22 | Detachable drill bit with dust collection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403696.2A CN108015719B (en) | 2017-12-22 | 2017-12-22 | Detachable drill bit with dust collection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108015719A CN108015719A (en) | 2018-05-11 |
| CN108015719B true CN108015719B (en) | 2024-02-13 |
Family
ID=62074278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711403696.2A Active CN108015719B (en) | 2017-12-22 | 2017-12-22 | Detachable drill bit with dust collection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108015719B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108908744A (en) * | 2018-07-09 | 2018-11-30 | 解晓莉 | A kind of detachable type drill with dust-absorbing function |
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| CN108015719A (en) | 2018-05-11 |
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