CN114951199A - Dust collecting device for drilling tool operation - Google Patents
Dust collecting device for drilling tool operation Download PDFInfo
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- CN114951199A CN114951199A CN202210614039.7A CN202210614039A CN114951199A CN 114951199 A CN114951199 A CN 114951199A CN 202210614039 A CN202210614039 A CN 202210614039A CN 114951199 A CN114951199 A CN 114951199A
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- 239000000428 dust Substances 0.000 title claims abstract description 113
- 238000005553 drilling Methods 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims description 30
- 230000001681 protective effect Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 abstract description 8
- 230000036541 health Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to the technical field of dust removal in drilling operation, and provides a dust collecting device for drilling tool operation, which is designed according to the structure and working principle of an electric hammer drill commonly used in drilling tool operation. Through the setting of flexible pipe, scale, holding ring, can adjust to the scale correct position according to the degree of depth of punching and fix a position, can realize the accuracy and carry out the operation according to the degree of depth of punching that sets for. The dust collection device is ingenious, simple and practical in structure, convenient to carry and install, high in dust collection efficiency, low-carbon, energy-saving and simple to operate, and the use of the dust collection device is not only beneficial to improving the operation efficiency of a drilling tool, but also beneficial to reducing the operation environmental pollution and guaranteeing the health and safety of operators.
Description
Technical Field
The invention belongs to the technical field of dust collecting devices in industrial production, and particularly relates to a dust collecting device for drilling tool operation.
Background
Electric hammer electric drill and the like are electric equipment commonly used in daily work and life, and in the process of using the electric hammer electric drill, a lot of dust and fragments are usually generated and enter organs such as eyes and respiratory tracts of operators to cause certain influence on the life health of the operators. Most of existing electric drill dust collection equipment are poor in dust collection effect, and are matched with a dust collector to be used, so that the problems that the structure is complex and heavy, resources are seriously wasted, the working efficiency is low, and some accidents can even be caused are solved.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides a dust collecting device for drilling tool operation, which comprises a transmission mechanism, a dust collecting structure and a dust collecting and filtering mechanism, wherein the transmission assembly comprises a gear mechanism and a drill chuck rubber sleeve which is arranged on the gear mechanism and used for carrying a drill chuck; the dust collection structure comprises a main air pipe, a telescopic pipe telescopically connected with the main air pipe and a horseshoe dust collection ring connected with the end part of the telescopic pipe; a turbine fan is arranged in the main air pipe, is connected to the gear mechanism through a fan main shaft and is driven by the gear mechanism to input power; the dust collecting and filtering mechanism comprises a dust collecting barrel communicated with the main air pipe; the horseshoe dust collection ring is provided with a dust collection opening, and dust and debris generated in the operation of the drilling tool are sucked into the extension tube and the main air pipe through the dust collection opening by the turbine fan and finally enter the dust collection barrel.
In a preferred scheme, the gear mechanism comprises a main gear and a driven gear which are meshed with each other, and a main bearing and a secondary bearing are respectively arranged in gear rims of the main gear and the driven gear; the main bearing is provided with a main bearing inner ring, and the drill clamping rubber sleeve is tightly sleeved on the main bearing inner ring; the auxiliary bearing is provided with an auxiliary bearing inner ring, and the fan main shaft is connected with the auxiliary bearing inner ring.
Further, the master gear and the slave gear are arranged in a protective shell, and the protective shell plays a role in protecting, fixing and supporting the master gear and the slave gear.
In the preferred scheme, a bearing fixing partition plate is further arranged in the main air pipe, a main shaft bearing is mounted on the bearing fixing partition plate, and a main shaft of the fan penetrates through the main shaft bearing; the main shaft bearing and the auxiliary bearing are matched for stabilizing the fan main shaft and the turbine fan, so that the fan main shaft and the turbine fan are lightened to shake when rotating at a high speed.
In the preferred scheme, an air door is also arranged in the main air pipe and is fixed on the inner wall of the communication part of the main air pipe and the dust collection barrel through a hinge; when the turbine fan rotates forwards, the turbine fan generates upward wind power to open the air door upwards, and dust and debris are sent to the dust collection and filtration mechanism; when the hammer drill is operated in reverse, the turbine fan generates downward wind to close the damper downward to prevent dust and debris from being blown out.
In the preferred scheme, a spring is also arranged in the main air pipe, the size of the outer edge of the spring is matched with the internal size of the main air pipe, and the outer wall of the upper end of the telescopic pipe is provided with a spring limiting bulge for supporting the spring; when the telescopic pipe is compressed towards the interior of the main air pipe, the spring generates reverse elasticity for the telescopic pipe.
In the preferred scheme, the lower end part of the main air pipe is provided with a telescopic limiting bulge, and the telescopic limiting bulge and the spring limiting bulge are matched for limiting the telescopic pipe and preventing the telescopic pipe from being separated from the main air pipe.
In a preferred scheme, the outer wall of the extension tube is provided with a graduated scale for indicating the operation depth when the drilling tool is operated; the outer wall of the telescopic pipe is further sleeved with a positioning ring capable of moving up and down along the telescopic pipe, a locking device is mounted on the positioning ring and comprises a positioning bolt and a positioning disc, and the positioning disc and the telescopic pipe are locked and separated by screwing the positioning bolt.
In a preferred scheme, the end part of the dust collecting barrel is provided with a filter cup which is detachably connected and used for preventing dust and debris from flowing out and ensuring air circulation.
Furthermore, a filter screen, a filter element and a protective net are arranged in the filter bowl; the filter screen is a fine mesh screen and is used for preventing large particles from entering the filter element; the filter core sets up between filter screen and protection network, for high-efficient particle filter core for prevent tiny dust to flow out, in order to protect the operation personnel healthy.
The invention achieves the following beneficial effects:
the dust collecting device is designed according to the structure and the working principle of an electric hammer drill commonly used for drilling tool operation, is matched with the electric hammer drill for use, utilizes the power of the electric hammer drill to drive the turbine fan to rotate, collects dust and debris generated by drilling operation to the dust collecting barrel through the horseshoe dust collecting ring, effectively realizes pollutant recovery, and provides a safe and clean working environment for the drilling operation.
The second, through the setting of flexible pipe and scale, holding ring, can adjust the scale tramp according to the depth of punching and fix a position, make the holding ring go up along setting for the scale with the scale and level mutually, the main air duct is along just blocking on the holding ring down when reaching the depth of regulation to can realize the accuracy and carry out the operation according to the depth of punching of settlement.
Thirdly, the dust collecting device is ingenious in structure, simple, practical, convenient to carry and install, high in dust collecting efficiency, low-carbon, energy-saving and simple to operate, and the dust collecting device is beneficial to improving the operation efficiency of a drilling tool, reducing the operation environmental pollution and guaranteeing the health and safety of operators.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of a dust suction structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
FIG. 5 is an enlarged view of the structure of FIG. 2 at C;
FIG. 6 is a schematic view of a protective housing construction;
FIG. 7 is a schematic view of the transmission assembly;
FIG. 8 is an exploded view of the transmission assembly construction;
FIG. 9 is a schematic view of the positioning bolt and the positioning disk.
In the figure:
1. a transmission assembly; 11. a protective housing; 12. a main bearing; 121. drilling and clamping a rubber sleeve; 122. a main bearing inner race; 13. a main gear; 14. a secondary bearing; 15. a slave gear; 2. a dust collection structure; 21. a main air duct; 211. a fan main shaft; 212. a main shaft bearing; 213. the bearing fixes the baffle; 214. an air door; 215. a turbo fan; 216. a spring; 217. a telescopic limit bulge; 22. a telescopic pipe; 221. a graduated scale; 222. a positioning ring; 2221. positioning the bolt; 2222. positioning the disc; 223. a spring limiting bulge; 23. a horseshoe dust absorption ring; 231. a dust suction port; 3. a dust collecting and filtering mechanism; 31. a dust collecting barrel; 32. a filter bowl; 321. a filter screen; 322. a filter element; 323. and (4) a protective net.
Detailed Description
To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.
As shown in fig. 1-9, the invention provides a dust collecting device for drilling tool operation, which comprises a transmission mechanism, a dust collecting structure 2 and a dust collecting and filtering mechanism 3, wherein the transmission assembly 1 comprises a gear mechanism, and a drill chuck rubber sleeve 121 which is arranged on the gear mechanism and used for carrying a drill chuck; the gear mechanism comprises a master gear 13 and a slave gear 15 which are meshed with each other, and a master bearing 12 and a slave bearing 14 are respectively arranged in gear rings of the master gear 13 and the slave gear 15; the main bearing 12 is provided with a main bearing inner ring 122, and the drill clamping rubber sleeve 121 is tightly sleeved on the main bearing inner ring 122; the sub bearing 14 is provided with a sub bearing 14 inner ring, and the fan main shaft 211 is connected to the sub bearing 14 inner ring. The master gear 13 and the slave gear 15 are preferably installed in the protective housing 11, and the protective housing 11 protects, fixes and supports the master gear 13 and the slave gear 15.
The dust collection structure 2 comprises a main air duct 21, an extension tube 22 telescopically connected with the main air duct 21, and a horseshoe dust collection ring 23 connected with the end part of the extension tube 22; a turbine fan 215 is arranged in the main air duct 21, the turbine fan 215 is connected to a gear mechanism through a fan main shaft 211, and power is input through transmission of the gear mechanism; .
A bearing fixing partition plate 213 is further arranged in the main air duct 21, a main shaft bearing 212 is mounted on the bearing fixing partition plate 213, and the fan main shaft 211 penetrates through the main shaft bearing 212; the main shaft bearing 212 cooperates with the sub-bearing 14 to stabilize the fan main shaft 211 and the turbine fan 215, so that the fan main shaft 211 and the turbine fan 215 are reduced in wobbling when rotating at high speed.
An air door 214 is also arranged in the main air pipe 21, and the air door 214 is fixed on the inner wall of the communication part of the main air pipe 21 and the dust collection barrel 31 through a hinge; when the turbine fan 215 is operated in the forward rotation direction, the turbine fan 215 generates an upward wind force to open the damper 214 upward, feeding dust and debris into the dust collecting and filtering mechanism 3; when the hammer drill is operated in reverse, the turbine fan 215 generates a downward wind force to close the damper 214 downward to prevent dust and debris from being blown out. A spring 216 is also arranged in the main air pipe 21, the outer edge size of the spring 216 is matched with the inner size of the main air pipe 21, and the outer wall of the upper end of the extension pipe 22 is provided with a spring limiting bulge 223 for supporting the spring 216; when the extension tube 22 is compressed inwardly of the main air duct 21, the spring 216 exerts a reverse spring force on the extension tube 22. The lower end of the main air duct 21 is provided with a telescopic limiting bulge 217, and the telescopic limiting bulge 217 and the spring limiting bulge 223 are matched for limiting the telescopic tube 22 and preventing the telescopic tube 22 from being separated from the main air duct 21. The outer wall of the extension tube 22 is provided with a graduated scale 221 for indicating the working depth during drilling operation; the outer wall of the extension tube 22 is further sleeved with a positioning ring 222 capable of moving up and down along the extension tube 22, the positioning ring 222 is provided with a locking device, the locking device comprises a positioning bolt 2221 and a positioning disc 2222, and the positioning disc 2222 and the extension tube 22 are locked and separated by screwing the positioning bolt 2221.
The dust collecting and filtering mechanism 3 comprises a dust collecting barrel 31 communicated with the main air pipe 21; the horseshoe dust suction ring 23 is provided with a dust suction opening 231, dust and debris generated by drilling operation are sucked into the extension tube 22 and the main air pipe 21 through the dust suction opening 231 by the turbine fan 215 and finally enter the dust collection barrel 31, and the end part of the dust collection barrel 31 is provided with a filter cup 32 which is detachably connected and used for preventing the dust and the debris from flowing out and ensuring air circulation. A filter screen 321, a filter element 322 and a protective net 323 are arranged in the filter cup 32; the filter screen 321 is a fine mesh screen for preventing large particles from entering the filter element 322; the filter element 322 is arranged between the filter screen 321 and the protective screen 323, is a high-efficiency particle filter element 322, and is used for preventing fine dust from flowing out so as to protect the health of operators.
The main functions of the structures of the invention are briefly described as follows: the transmission assembly 1 mainly functions as a power transmission, and increases the rotation speed of the turbine fan 215 by using the gear ratio of the master gear 13 to the slave gear 15, thereby increasing the suction wind power.
The protective casing 11 mainly protects the internal structure of the whole transmission assembly 1, and also plays a role in fixing and supporting.
The main bearing 12 ensures smooth rotation of the whole assembly.
The drill clamping rubber sleeve 121 is made of a high-elasticity material and is tightly sleeved inside the main bearing inner ring 122, and the outer diameter size of the drill clamping rubber sleeve is matched with the inner diameter size of the main bearing inner ring 122, so that the drill clamping rubber sleeve and the main bearing inner ring 122 cannot slide; the inner diameter size of the electric drill is matched with that of an electric hammer drill chuck, so that the electric drill chuck is prevented from loosening and shaking after being sleeved into the electric drill chuck.
The main bearing inner ring 122 is matched with the inner circle of the main gear 13 and connected together, and a drill bit can penetrate through the centers of the main bearing inner ring and the main gear 13.
The master gear 13 is larger than the slave gear 15, and transmits a steering force to the slave gear 15 through a rotation speed ratio in synchronization with the rotation speed of the electric hammer of the electric drill, so that the slave gear 15 rotates at a high speed by a multiple of the gear ratio, and the sub-bearing 14 serves to stably support the slave gear 15.
The dust suction structure 2 is composed of three parts and mainly has the function of generating strong suction force to suck dust and debris generated by drilling.
The main air pipe 21 is connected with the protective shell 11 to play the roles of air induction and ventilation.
The upper end of the fan main shaft 211 is connected with the inner ring of the auxiliary bearing 14, passes through the center of the auxiliary gear 15 through a key slot, and is connected with the turbine fan 215. The main shaft bearing 212 is engaged with the sub-bearing 14 for stabilizing the fan main shaft 211 and the turbine fan 215 from wobbling when rotating at high speed.
The bearing fixing partition 213 is used to fix the sub-bearing 14, and also serves as a seal so that gas cannot flow upward.
The air door 214 is fixed on the inner wall of the main air pipe 21 through a hinge, when the electric hammer drill rotates forwards, the turbine fan 215 generates upward wind to open the air door 214 upwards, so that dust and debris are sent into the dust collection and filtration mechanism 3; when the hammer drill is operated in reverse, the turbine fan 215 generates a downward wind force to close the damper 214 downward to prevent dust and debris from being blown out again.
The turbine fan 215 has a small volume and a large power. The outer edge of the spring 216 matches with the inner dimension of the main air duct 21 and is used for providing downward elasticity for the extension tube 22, and the extension limiting protrusion 217 is used for limiting the extension tube 22 and preventing the extension tube 22 from falling out of the main air duct 21. The extension tube 22 is sized to match the internal dimensions of the spring 216 for length adjustment during operation of the dust extraction apparatus.
The scale 221 is used to adjust the punching depth when the punching work is performed. The positioning ring 222 can be adjusted to the correct position of the graduated scale 221 for positioning according to the drilling depth, so that the upper edge of the positioning ring 222 is level with the set scale of the graduated scale 221, and when the adjustment depth is reached, the lower edge of the main air duct 21 is clamped on the positioning bolt 2221, thereby realizing the design of the drilling depth.
The spring limit projection 223 is arranged on the outer wall of the upper end of the extension tube 22, the outer edge dimension of the spring limit projection is matched with the inner dimension of the main air duct 21, the spring limit projection is mainly used for supporting the spring 216, and the spring limit projection 217 is matched with the extension tube 22 to limit the extension tube 22 to prevent the extension tube 22 from being separated. The horseshoe dust suction ring 23 is used for collecting dust and debris around a drilled hole, the horseshoe opening is used for facilitating the replacement of a drill bit and the observation of the drilling condition by an operator during drilling, and a dust suction opening 231 is formed in the inner wall of the horseshoe dust suction ring 23.
The dust collecting and filtering mechanism 3 functions to collect and filter dust and debris. The dust collection barrel 31 is of a circular tube-shaped structure and used for storing dust and debris, and has the function of a handle, when punching is performed, an operator holds an electric drill electric hammer with one hand and holds the outer wall of the dust collection barrel 31 with the other hand to play a stabilizing role. The front part of the filter cup 32 is in a threaded structure and is screwed and fixed at the rear end of the dust collecting barrel 31, and the filter cup has the functions of preventing dust and debris from flowing out and ensuring gas circulation. The filter screen 321 is a fine mesh screen, which is mainly used to block larger particles and prevent the filter element 322 from being blocked. The filter element 322 is arranged between the filter screen 321 and the protective screen 323, and is a high-efficiency particle filter element 322, which can effectively prevent fine dust from flowing out to protect the health of operators. The protection net 323 is used to fix and protect the filter element 322.
When the dust collecting device for drilling tool operation is used, an operator firstly inserts an electric drill or an electric hammer into the drill chuck rubber sleeve 121, so that the drill chuck and the drill chuck rubber sleeve 121 are tightly sleeved together. The retaining ring 222 is adjusted to the correct position based on the depth of the drilled hole. Then, the electric drill hammer is held by one hand, and the outer wall of the dust collection barrel 31 is tightly held by the other hand to carry out punching operation. After drilling, the electric hammer of the electric drill is pulled out, and then the filter cup 32 is screwed out to clean impurities.
The dust and debris in the dust bin 31 are dumped into the trash bin and the filter bowl 32 is mounted in place, completing the job.
The above embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A dust arrester installation for drilling tool operation, its characterized in that, it includes drive mechanism, dust absorption structure, collection dirt filtering mechanism, wherein:
the transmission assembly comprises a gear mechanism and a drill chuck rubber sleeve which is arranged on the gear mechanism and used for carrying a drill chuck;
the dust collection structure comprises a main air pipe, a telescopic pipe telescopically connected with the main air pipe and a horseshoe dust collection ring connected with the end part of the telescopic pipe;
a turbine fan is arranged in the main air pipe, is connected to the gear mechanism through a fan main shaft and is driven by the gear mechanism to input power;
the dust collecting and filtering mechanism comprises a dust collecting barrel communicated with the main air pipe;
the horseshoe dust collection ring is provided with a dust collection opening, and dust and debris generated in the operation of the drilling tool are sucked into the extension tube and the main air pipe through the dust collection opening by the turbine fan and finally enter the dust collection barrel.
2. The dust collecting device for drilling tool operation according to claim 1, wherein the gear mechanism comprises a master gear and a slave gear which are meshed with each other, and a main bearing and a secondary bearing are respectively arranged in gear rims of the master gear and the slave gear; the main bearing is provided with a main bearing inner ring, and the drill clamping rubber sleeve is tightly sleeved on the main bearing inner ring; the auxiliary bearing is provided with an auxiliary bearing inner ring, and the fan main shaft is connected with the auxiliary bearing inner ring.
3. The dust collecting apparatus for drilling tool operation according to claim 2, wherein the master gear and the slave gear are mounted in a protective housing, and the protective housing protects, fixes and supports the master gear and the slave gear.
4. The dust collecting device for drilling tool operation according to claim 1, wherein a bearing fixing partition plate is further arranged in the main air duct, a main shaft bearing is mounted on the bearing fixing partition plate, and a main shaft of the fan penetrates through the main shaft bearing; the main shaft bearing and the auxiliary bearing are matched for stabilizing the fan main shaft and the turbine fan, so that the fan main shaft and the turbine fan are lightened to shake when rotating at a high speed.
5. The dust collecting device for drilling tool operation as claimed in claim 1, wherein an air door is further arranged in the main air pipe, and the air door is fixed on the inner wall of the position where the main air pipe is communicated with the dust collecting barrel through a hinge; when the turbine fan rotates forwards, the turbine fan generates upward wind power to open the air door upwards, and dust and debris are sent to the dust collection and filtration mechanism; when the hammer drill is operated in reverse, the turbine fan generates downward wind to close the damper downward to prevent dust and debris from being blown out.
6. The dust collecting device for drilling tool operation as claimed in claim 1, wherein a spring is further arranged in the main air pipe, the outer edge dimension of the spring is matched with the inner dimension of the main air pipe, and a spring limiting bulge is arranged on the outer wall of the upper end of the telescopic pipe and used for supporting the spring; when the telescopic pipe is compressed towards the interior of the main air pipe, the spring generates reverse elasticity for the telescopic pipe.
7. The dust collecting device for drilling tool operation as claimed in claim 6, wherein the lower end part of the main air pipe is provided with a telescopic limiting protrusion, and the telescopic limiting protrusion cooperates with the spring limiting protrusion to limit the telescopic pipe and prevent the telescopic pipe from falling out of the main air pipe.
8. The dust collecting device for drilling tool operation as claimed in claim 1, wherein the outer wall of the telescopic pipe is provided with a graduated scale for indicating the operation depth when drilling tool operation is carried out; the outer wall of the telescopic pipe is further sleeved with a positioning ring capable of moving up and down along the telescopic pipe, a locking device is mounted on the positioning ring and comprises a positioning bolt and a positioning disc, and the positioning disc and the telescopic pipe are locked and separated by screwing the positioning bolt.
9. The dust collecting apparatus for drilling tool operation as claimed in claim 1, wherein the dust collecting barrel is provided at its end with a filter cup detachably attached for preventing the outflow of dust and debris and ensuring the ventilation of gas.
10. The dust collecting device for drilling tool operation according to claim 9, wherein a filter screen, a filter core and a protective net are arranged in the filter cup; the filter screen is a fine mesh screen and is used for preventing large particles from entering the filter element; the filter core sets up between filter screen and protection network, for high-efficient particle filters the filter core for prevent tiny dust to flow out, in order to protect the operation personnel healthy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210614039.7A CN114951199B (en) | 2022-05-31 | 2022-05-31 | Dust collecting device for drilling tool operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210614039.7A CN114951199B (en) | 2022-05-31 | 2022-05-31 | Dust collecting device for drilling tool operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114951199A true CN114951199A (en) | 2022-08-30 |
| CN114951199B CN114951199B (en) | 2024-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210614039.7A Active CN114951199B (en) | 2022-05-31 | 2022-05-31 | Dust collecting device for drilling tool operation |
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| US20050268427A1 (en) * | 2004-05-26 | 2005-12-08 | Rory Britz | Dust extracting device |
| EP2067553A1 (en) * | 2007-12-07 | 2009-06-10 | Hitachi Koki CO., LTD. | Drilling tool with dust collector |
| CN103920911A (en) * | 2013-10-10 | 2014-07-16 | 吴江红蔷薇纺织有限公司 | Dust collector for electric drills |
| CN203752119U (en) * | 2014-03-12 | 2014-08-06 | 孔德明 | Electric drill protective cover with dust collection function |
| CN204171397U (en) * | 2014-09-28 | 2015-02-25 | 宁波耀升工具实业有限公司 | A kind of electric drill |
| CN105563429A (en) * | 2014-10-09 | 2016-05-11 | 西安冉科信息技术有限公司 | Electric drill auxiliary equipment |
| CN105658381A (en) * | 2013-10-21 | 2016-06-08 | 创科电动工具科技有限公司 | accessory for electric tool |
-
2022
- 2022-05-31 CN CN202210614039.7A patent/CN114951199B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050268427A1 (en) * | 2004-05-26 | 2005-12-08 | Rory Britz | Dust extracting device |
| EP2067553A1 (en) * | 2007-12-07 | 2009-06-10 | Hitachi Koki CO., LTD. | Drilling tool with dust collector |
| CN103920911A (en) * | 2013-10-10 | 2014-07-16 | 吴江红蔷薇纺织有限公司 | Dust collector for electric drills |
| CN105658381A (en) * | 2013-10-21 | 2016-06-08 | 创科电动工具科技有限公司 | accessory for electric tool |
| CN203752119U (en) * | 2014-03-12 | 2014-08-06 | 孔德明 | Electric drill protective cover with dust collection function |
| CN204171397U (en) * | 2014-09-28 | 2015-02-25 | 宁波耀升工具实业有限公司 | A kind of electric drill |
| CN105563429A (en) * | 2014-10-09 | 2016-05-11 | 西安冉科信息技术有限公司 | Electric drill auxiliary equipment |
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| Publication number | Publication date |
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| CN114951199B (en) | 2024-09-24 |
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