CN109664246B - Auxiliary drilling device for hand-held electric drill - Google Patents
Auxiliary drilling device for hand-held electric drill Download PDFInfo
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- CN109664246B CN109664246B CN201910108257.1A CN201910108257A CN109664246B CN 109664246 B CN109664246 B CN 109664246B CN 201910108257 A CN201910108257 A CN 201910108257A CN 109664246 B CN109664246 B CN 109664246B
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- 238000005553 drilling Methods 0.000 title claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000003044 adaptive effect Effects 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/003—Attachments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0071—Devices for removing chips dust collectors for hand tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of common mechanical auxiliary equipment, and discloses an auxiliary drilling device for a handheld electric drill, which comprises a cover body, a mounting hole, a conical spring, a thin bearing, an auxiliary positioning mechanism, a diaphragm plate, a contact mechanism, an air pump, a transfer mechanism, an air inlet pipe, a one-way air guide valve, a circular ring groove, an elastic sealing ring, a control switch, two pedals and a conical telescopic sleeve, wherein the mounting hole is formed in the middle position of the top of the cover body, the top of the conical spring is fixedly arranged at the inner side of the mounting hole and extends to the inner side of the cover body, the thin bearing is fixedly arranged at the inner side of the bottom of the conical spring, the top side edge of the conical telescopic sleeve is adhered to the inner side bottom of the mounting hole, and the inner side edge of the bottom of the conical telescopic sleeve is adhered to the outer side edge of the thin bearing. This supplementary drilling equipment that hand-held type electric drill was used reaches the purpose that carries out assistance-localization real-time and protect the use to the drill bit when preventing dust diffusion, prevents that the dust that drilling produced from falling on subaerial and causing the influence of backfilling to the drilling.
Description
Technical Field
The invention relates to the technical field of common mechanical auxiliary equipment, in particular to an auxiliary drilling device for a hand-held electric drill.
Background
When being constructed or decorated, an electric drill is often used for punching the ground, a drill bit of the electric drill is strongly acted on the ground, so that a ground drilling part is crushed and led into a hole, but the high-speed rotating acting force is easy to cause dust generated at the drilling position to fly in the air everywhere, the working environment of an operator is easy to be influenced, the body is not easy to be influenced by the suction of the air, the existing pullover auxiliary devices for the electric drill bit are used for sleeving the drill bit part so as to prevent dust particles from diffusing everywhere, the diffusion prevention mode is to limit the dust particles in a certain range, a large amount of generated dust is accumulated around the top of the drill bit after the drill bit is drilled, backfilling is easy to be carried out on the finished drilling, the use of the drilling is influenced to a certain extent, meanwhile, the dust generated by the drilling is also influenced to the cleanness of the ground, and therefore equipment capable of processing the dust particles generated by the drilling is needed, and the dust particles generated by the drilling is prevented from influencing the subsequent use of the drilling.
Disclosure of Invention
The problem of the dust particle's that the electric drill drilling produced pile up easily produces certain influence to the use of drilling is solved.
The utility model provides an auxiliary drilling device that hand-held type electric drill was used, includes lid, mounting hole, conical spring, thin bearing, auxiliary positioning mechanism, diaphragm, contact mechanism, air pump, transfer mechanism, intake pipe, one-way air guide valve, ring groove, elastic sealing circle, control switch, two running-boards and toper flexible cover, the top intermediate position at the lid is seted up to the mounting hole, conical spring's top fixed mounting is inboard and the inboard that extends to the lid at the mounting hole, thin bearing fixed mounting is inboard in conical spring's bottom, conical flexible cover's top side bonding is in the inboard bottom of mounting hole, conical flexible cover's bottom inboard bonding is in the outside of thin bearing, auxiliary positioning mechanism fixed mounting is at the bearing inner circle of thin bearing, the diaphragm transversely installs between the inside wall of the lid, contact mechanism runs through the through-hole of diaphragm, the upper surface of fixed mounting at the diaphragm, the breathing pipe of air pump runs through the upper surface of diaphragm and is linked together with transfer mechanism, the outlet duct of air pump runs through the inside wall of lid, transfer mechanism is linked together with contact mechanism, the intake pipe is installed in the right side through-hole of lid, the one-board is installed at the lid, the air guide valve is installed in the outside at the left side of the annular cover, the left side of the annular cover is set up at the left side of the annular groove, the left side of the air guide valve is installed at the left side of the annular, the annular is set up at the left side of the annular, the left side of the annular is set up at the left side of the annular groove at the left side of the bottom of the side of the annular cover, the left side of the air valve respectively.
The auxiliary positioning mechanism comprises a hollow positioning tube, an adaptive air bag and an annular clamping groove, wherein the hollow positioning tube is fixedly inserted into the inner ring of the bearing of the thin bearing, the top of the hollow positioning tube is in an outwards opened conical shape, the adaptive air bag is adhered to the inner side of the hollow positioning tube, and the annular clamping groove is formed in the inner side wall of the adaptive air bag.
The contact mechanism comprises a limiting pipe, an inverted cone ring groove, a spiral gradient groove and an annular brush, wherein the limiting pipe is fixedly connected with a through hole penetrating through the diaphragm plate, the inverted cone groove is formed in the inner side of the limiting pipe, the cross section of the top of the inverted cone groove on the inner side of the limiting pipe is larger than the bottom opening of the limiting pipe, the spiral gradient groove is spirally formed in the inner side wall of the inverted cone ring groove, and the annular brush is fixedly connected with the inner side top of the limiting pipe.
The transfer mechanism comprises a storage tank, a dust filtering net, a clamping cover and a vent pipe, wherein an interface of the storage tank is connected with the tail end of an air suction pipe of the air pump, the dust filtering net is fixedly arranged on the inner side of the storage tank, the clamping cover is clamped at the bottom opening of the storage tank, the vent pipe is fixedly connected to the air suction hole of the storage tank, and the tail end of the vent pipe penetrates through the side surface of the limiting pipe and is communicated with one end of the bottom of the spiral gradient groove.
Preferably, the conical telescopic sleeve is made of telescopic rubber materials, the inner side edge of the conical telescopic sleeve is connected with the outer side edge of the conical spring, and the conical inner diameter of the conical telescopic sleeve is slightly smaller than the corresponding spiral conical outer diameter of the conical spring.
Preferably, the adaptive air bag is made of wear-resistant rubber air bag materials, the outer diameter of the adaptive air bag is equal to the corresponding inner diameter of the hollow positioning tube, and the auxiliary positioning mechanism is positioned right above the contact mechanism.
Preferably, the one-way air guide valve is a one-way valve body with an air inlet pipe for guiding air in a single direction towards the inner side of the cover body.
Preferably, the control switch is electrically connected with the air pump in a connection mode, and the control switch can control the switch and the running state of the air pump.
Preferably, the bottom of the storage tank is higher than the bottom of the cover body, and the bottom port of the limiting pipe is flush with the bottom of the cover body.
Compared with the prior art:
(1) The auxiliary drilling device for the hand-held electric drill is characterized in that the cover body, the conical spring and the auxiliary positioning mechanism are mutually matched, when the device is used, the center of the contact mechanism of the device is aligned to the position where drilling is required, then a drill bit of the electric drill penetrates through the inner side of the conical spring, the auxiliary positioning mechanism and the inner side of the contact mechanism, so that the drill bit is contacted with the ground, at the moment, the metal chuck of the drill bit is contacted with the inner side edge of the adaptive air bag of the auxiliary positioning mechanism and presses the inner side edge of the adaptive air bag, the annular chuck groove is arranged, the top conical part of the drill bit metal chuck of the electric drill is better clamped at the inner side of the annular chuck groove, the electric drill chuck is better matched with the auxiliary positioning mechanism in a sealing way, and is stable, when the device is in operation, the rotary drill bit chuck drives the hollow positioning tube to rotate in the thin bearing through the adaptive air bag, the positioning stability of the drill chuck is guaranteed, the electric drill bit is required to be applied with vertical downward acting force, at the same time, the counter-acting rotary vibration force of the drill bit is required to be controlled, the adaptive air bag can buffer the generated counter acting force, the electric drill bit can be effectively, the electric drill bit can be well moves towards the inner side of the conical spring sleeve, the conical spring sleeve is also stretched along with the inner side of the electric drill chuck, the conical spring sleeve is prevented from being excessively stressed, the opposite to the conical spring sleeve is excessively, the upper-shaped, the electric drill bit is well is prevented from being excessively stressed, and the upper-limited by the conical spring sleeve is simultaneously, and the upper part is well, and the electric drill bit is well and the lower than and the auxiliary positioning device, thereby achieving the aims of assisting in positioning and protecting the drill bit while preventing dust from diffusing.
(2) This auxiliary drilling device that hand-held type electric drill was used, through setting up contact mechanism, transfer mechanism and air pump mutually support, when equipment was used, electric drill bit and ground contact each other and extrusion produced dust were rotated and were gone out through the spiral chip groove on the high-speed rotary drill bit, and control switch control air pump starts, make the breathing pipe of air pump breathe in, make the breathing pipe breathe in to the spacing intraductal suction of holding tank and breather pipe through transfer mechanism, make the spacing intraductal negative pressure that forms, and the one-way air guide valve on the intake pipe makes the outside air current pass through the inboard of intake pipe leading-in lid, guarantee the air pressure balance of lid inboard, the air current that is inhaled gets into the inner chamber of spacing pipe through the top of spacing pipe, the dust that the spiral chip groove on the drill bit was led out is rotated upwards to be thrown this moment, make the dust fall into the inboard of spiral gradient groove, and the part that dust and the back taper annular groove surface contact falls into the inboard of spiral gradient groove again along the inside of spiral gradient groove under the effect of gravity and spacing intraductal negative pressure, make the effect of dust back pressure be led into by the inside of the suction pipe along the inboard of spiral gradient groove under the effect of the suction pipe, thereby prevent the filter dust from leading-in the filter dust back-up filter cover that the filter dust is deposited down on the filter top of the filter.
(3) This auxiliary drilling device that hand-held type electric drill was used through setting up lid and elastic sealing circle mutually supporting, when equipment was used, user's both feet trampled two running-boards respectively to reach and stabilize fixed purpose with the lid, make the elastic sealing circle of lid bottom compressed, avoid the gap between the bottom of lid and the ground to lead to the overflow of dust, the steady fixation of lid makes conical spring carry out more effectual horizontal positioning to the chuck part of electric drill simultaneously, thereby has ensured that equipment carries out safe effectual auxiliary use to the electric drill.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A;
Fig. 3 is a schematic view of the structure of the contact mechanism of the present invention.
In the figure: the device comprises a cover body 1, a mounting hole 2, a conical spring 3, a thin bearing 4, an auxiliary positioning mechanism 5, a hollow positioning tube 51, an adaptive air bag 52, an annular clamping head groove 53, a transverse partition plate 6, a contact mechanism 7, a limiting tube 71, a reverse conical ring groove 72, a spiral gradient groove 73, an annular brush 74, an air pump 8, a transfer mechanism 9, a storage tank 91, a dust filtering net 92, a clamping head cover 93, an air pipe 94, an air inlet pipe 10, a one-way air guide valve 11, a circular ring groove 12, an elastic sealing ring 13, a control switch 14, a pedal 15 and a conical telescopic sleeve 16.
Detailed Description
As shown in fig. 1-3, the present invention provides a technical solution: an auxiliary drilling device for a hand-held electric drill comprises a cover body 1, a mounting hole 2, a conical spring 3, a thin bearing 4, an auxiliary positioning mechanism 5, a diaphragm plate 6, a contact mechanism 7, an air pump 8, a transfer mechanism 9, an air inlet pipe 10, a one-way air guide valve 11, a circular ring groove 12, an elastic sealing ring 13, a control switch 14, two pedals 15 and a conical telescopic sleeve 16, wherein the mounting hole 2 is arranged at the middle position of the top of the cover body 1, the top of the conical spring 3 is fixedly arranged at the inner side of the mounting hole 2 and extends to the inner side of the cover body 1, the thin bearing 4 is fixedly arranged at the inner side of the bottom of the conical spring 3, the top side of the conical telescopic sleeve 16 is adhered to the inner side bottom of the mounting hole 2, the conical telescopic sleeve 16 is made of telescopic rubber materials, the inner side of the conical telescopic sleeve 16 is mutually connected with the outer side of the conical spring 3, the conical inner diameter of the conical telescopic sleeve 16 is slightly smaller than the corresponding spiral conical outer diameter of the conical spring 3, the top end and the bottom end of the conical spring 3 are round closed spirals, so that the conical spring 3 is mutually fixed with the inner side wall of the mounting hole 2 and the outer side wall of the thin bearing 4 more stably, the inner side edge of the bottom of the conical telescopic sleeve 16 is adhered to the outer side edge of the thin bearing 4, the auxiliary positioning mechanism 5 is fixedly arranged on the inner ring of the bearing 4, the diaphragm plate 6 is transversely arranged between the inner side walls of the cover body 1, the contact mechanism 7 penetrates through the through hole of the diaphragm plate 6, the air pump 8 is fixedly arranged on the upper surface of the diaphragm plate 6, the air suction pipe of the air pump 8 penetrates through the upper surface of the diaphragm plate 6 and is communicated with the transfer mechanism 9, the air outlet pipe of the air pump 8 penetrates through the inner side wall of the cover body 1, the transfer mechanism 9 is communicated with the contact mechanism 7, the air inlet pipe 10 is arranged in the right through hole of the cover body 1, the one-way air guide valve 11 is arranged at the outer side of the cover body 1 of the air inlet pipe 10, the one-way air guide valve 11 is a one-way valve body of the air inlet pipe 10 which guides air in a one-way direction towards the inner side of the cover body 1, the circular ring groove 12 is formed in the bottom surface of the cover body 1, the elastic sealing ring 13 is inlaid in the inner side of the circular ring groove 12, the control switch 14 is arranged on the right side of the cover body 1, the two pedals 15 are respectively and fixedly arranged at the left side bottom and the right side bottom of the cover body 1, the control switch 14 is electrically connected with the air pump 8, and the control switch 14 can control the switch and the running state of the air pump 8.
The auxiliary positioning mechanism 5 comprises a hollow positioning tube 51, an adaptive air bag 52 and an annular clamping groove 53, the hollow positioning tube 51 is fixedly inserted into the bearing inner ring of the thin bearing 4, the top of the hollow positioning tube 51 is in an outwards opened conical shape, the adaptive air bag 52 is adhered to the inner side of the hollow positioning tube 51, the adaptive air bag 52 is made of wear-resistant rubber air bag materials, the outer diameter of the adaptive air bag 52 is equal to the corresponding inner diameter of the hollow positioning tube 51, the auxiliary positioning mechanism 5 is located right above the contact mechanism 7, and the annular clamping groove 53 is formed in the inner side wall of the adaptive air bag 52.
The contact mechanism 7 comprises a limiting pipe 71, an inverted cone ring groove 72, a spiral gradient groove 73 and an annular brush 74, wherein the limiting pipe 71 is fixedly penetrating through a through hole of the diaphragm plate 6, the inverted cone groove 72 is formed in the inner side of the limiting pipe 71, the cross section of the top of the inverted cone groove 72 in the inner side of the limiting pipe 71 is larger than the bottom opening of the limiting pipe 71, the spiral gradient groove 73 is spirally formed in the inner side wall of the inverted cone ring groove 72, the annular brush 74 is fixedly connected to the inner side top of the limiting pipe 71 in an annular mode, and one end, far away from the inner side of the limiting pipe 71, of the annular brush 74 is uniformly inclined towards the axis of the limiting pipe 71 and is provided with an inclination angle of 20 degrees.
The transfer mechanism 9 includes a storage tank 91, a dust filtering net 92, a bayonet cover 93 and a breather pipe 94, wherein the interface of the storage tank 91 is connected with the tail end of the air suction pipe of the air pump 8, the dust filtering net 92 is fixedly arranged on the inner side of the storage tank 91, the bayonet cover 93 is clamped at the bottom opening of the storage tank 91, the breather pipe 94 is fixedly connected at the air suction hole of the storage tank 91, the tail end of the breather pipe 94 penetrates through the side surface of the limit pipe 71 and is communicated with one end of the bottom of the spiral gradient groove 73, the bottom of the storage tank 91 is higher than the bottom of the cover body 1, and the bottom port of the limit pipe 71 is flush with the bottom of the cover body 1.
When the device is used, the center of the contact mechanism 7 of the device is aligned with the position of the ground to be drilled, the two pedals 15 are respectively stepped on by the feet of a user, so that the purpose of stably fixing the cover body 1 is achieved, the elastic sealing ring 13 at the bottom of the cover body 1 is compressed, the overflow of dust caused by gaps between the bottom of the cover body 1 and the ground is avoided, then a drill bit of an electric drill penetrates through the inner side of the conical spring 3, the auxiliary positioning mechanism 5 and the inner side of the contact mechanism 7, so that the drill bit is contacted with the ground, at the moment, the metal chuck of the drill bit is contacted with the inner side edge of the adapting air bag 52 of the auxiliary positioning mechanism 5 and presses, the rotating drill bit chuck drives the hollow positioning tube 51 to rotate through the adapting air bag 52 when the device operates, the hollow positioning tube 51 rotates in the thin bearing 4, and the positioning stability of the drill bit chuck is ensured, the electric drill drilling needs to apply vertical downward acting force, the reaction rotary swinging vibration force of the drill bit needs to be controlled, the adapting air bag 52 can buffer the reaction force generated by the electric drill drilling to a certain extent, the hand vibration of an operator is effectively protected, the electric drill moves downwards along with the drilling depth of the hole, the conical spring 3 is stretched, the conical spring 3 limits the electric drill bit in the circumferential direction, the electric drill chuck is prevented from losing due to excessive horizontal deflection, the conical spring 3 is stretched, the conical telescopic sleeve 16 is stretched, the electric drill chuck and the adapting air bag 52 are mutually attached, the inner side of the cover body 1 forms a closed space, the purposes of auxiliary positioning and protecting the drill bit are achieved while dust diffusion is prevented, the electric drill bit and the ground are contacted with each other and extruded to generate dust, the dust is discharged through the rotation of the spiral chip groove on the high-speed rotary drill bit, the control switch 14 controls the air pump 8 to start, the air suction pipe of the air pump 18 is enabled to suck air, the air suction pipe is enabled to suck air into the limiting pipe 71 through the storage tank 91 and the ventilation pipe 94 of the transfer mechanism 9, negative air pressure is formed in the limiting pipe 71, the one-way air guide valve 11 on the air inlet pipe 10 is enabled to enable external air flow to be led into the inner side of the cover body 1 through the air inlet pipe 10, the air pressure balance of the inner side of the cover body 1 is guaranteed, the sucked air flow enters the inner cavity of the limiting pipe 71 through the top end of the limiting pipe 71, at this moment, the dust led out of the spiral chip groove on the drill bit is rotated upwards, the dust falls into the inner side of the spiral gradient groove 73, the part, which is contacted with the inner side wall surface of the reverse taper ring groove 72, falls into the inner side of the spiral gradient groove 73 again under the action of gravity and the negative air pressure of the limiting pipe 71, the inner side of the reverse taper ring groove 73, the inner side of the reverse air suction pipe 94 is enabled to be led into the inner side of the tank 91 through the air suction pipe 94, the inner side of the negative air pressure is enabled to prevent the inner side of the filter cover 91 from being led out of the inner side of the air pump 1, the filter cover 93 is enabled to be stored in the filter cover 93, and the filter cover is enabled to be placed on the bottom of the filter cover 93 after the filter cover is placed on the bottom of the filter cover 1.
Claims (4)
1. The utility model provides an auxiliary drilling device that hand-held type electric drill was used, includes lid (1), mounting hole (2), conical spring (3), thin bearing (4), auxiliary positioning mechanism (5), diaphragm (6), contact mechanism (7), air pump (8), transfer mechanism (9), intake pipe (10), one-way air guide valve (11), ring groove (12), elastic seal circle (13), control switch (14), two running-boards (15) and toper telescopic cover (16), its characterized in that: the mounting hole (2) is arranged at the middle position of the top of the cover body (1), the top of the conical spring (3) is fixedly arranged at the inner side of the mounting hole (2) and extends to the inner side of the cover body (1), the thin bearing (4) is fixedly arranged at the inner side of the bottom of the conical spring (3), the top side edge of the conical telescopic sleeve (16) is adhered to the inner side bottom of the mounting hole (2), the bottom inner side edge of the conical telescopic sleeve (16) is adhered to the outer side edge of the thin bearing (4), the auxiliary positioning mechanism (5) is fixedly arranged at the bearing inner ring of the thin bearing (4), the transverse baffle (6) is transversely arranged between the inner side walls of the cover body (1), the contact mechanism (7) penetrates through the through hole of the transverse baffle (6), the air pump (8) is fixedly arranged on the upper surface of the transverse baffle (6), the air suction pipe of the air pump (8) penetrates through the upper surface of the transverse baffle (6) and is communicated with the transfer mechanism (9), the air outlet pipe of the air pump (8) penetrates through the inner side wall of the cover body (1), the transfer mechanism (9) is communicated with the contact mechanism (7), the cover body (10) is transversely arranged at the inner side wall of the air inlet pipe (1) and is arranged at the outer side of the air inlet pipe (1) of the cover body (1), the elastic sealing ring (13) is embedded in the inner side of the circular ring groove (12), the control switch (14) is arranged on the right side of the cover body (1), and the two foot pedals (15) are respectively and fixedly arranged at the bottoms of the left side and the right side of the cover body (1);
The auxiliary positioning mechanism (5) comprises a hollow positioning tube (51), an adaptive air bag (52) and an annular clamping groove (53), wherein the hollow positioning tube (51) is fixedly inserted into the inner ring of the bearing of the thin bearing (4), the top of the hollow positioning tube (51) is in a conical shape with an outward opening, the adaptive air bag (52) is adhered to the inner side of the hollow positioning tube (51), and the annular clamping groove (53) is formed in the inner side wall of the adaptive air bag (52);
The contact mechanism (7) comprises a limiting pipe (71), an inverted cone ring groove (72), a spiral gradient groove (73) and an annular brush (74), wherein the limiting pipe (71) is fixedly penetrating through a through hole of the diaphragm plate (6), the inverted cone ring groove (72) is formed in the inner side of the limiting pipe (71), the cross section of the inverted cone ring groove (72) at the top of the inner side of the limiting pipe (71) is larger than the bottom opening of the limiting pipe (71), the spiral gradient groove (73) is spirally formed in the inner side wall of the inverted cone ring groove (72), and the annular brush (74) is fixedly connected to the inner top of the limiting pipe (71) in an annular mode;
The transfer mechanism (9) comprises a storage tank (91), a dust filtering net (92), a bayonet cover (93) and a vent pipe (94), wherein an interface of the storage tank (91) is connected with the tail end of an air suction pipe of the air pump (8), the dust filtering net (92) is fixedly arranged on the inner side of the storage tank (91), the bayonet cover (93) is clamped at the bottom opening of the storage tank (91), the vent pipe (94) is fixedly connected at an air suction hole of the storage tank (91), and the tail end of the vent pipe (94) penetrates through the side surface of the limiting pipe (71) and is communicated with one end of the bottom of the spiral gradient groove (73);
The conical telescopic sleeve (16) is made of telescopic rubber materials, the inner side edge of the conical telescopic sleeve (16) is connected with the outer side edge of the conical spring (3), the conical inner diameter of the conical telescopic sleeve (16) is slightly smaller than the corresponding spiral conical outer diameter of the conical spring (3), the adapting air bag (52) is made of wear-resistant rubber air bag materials, the outer diameter of the adapting air bag (52) is equal to the corresponding inner diameter of the hollow positioning tube (51), and the auxiliary positioning mechanism (5) is located right above the contact mechanism (7).
2. An auxiliary drilling apparatus for a hand-held power drill according to claim 1, wherein: the one-way air guide valve (11) is a one-way valve body for guiding air in a single direction from the air inlet pipe (10) to the inner side of the cover body (1).
3. An auxiliary drilling apparatus for a hand-held power drill according to claim 1, wherein: the control switch (14) is electrically connected with the air pump (8), and the control switch (14) can control the switch and the running state of the air pump (8).
4. An auxiliary drilling apparatus for a hand-held power drill according to claim 1, wherein: the bottom of the storage tank (91) is higher than the bottom of the cover body (1), and the bottom port of the limiting pipe (71) is flush with the bottom of the cover body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108257.1A CN109664246B (en) | 2019-02-02 | 2019-02-02 | Auxiliary drilling device for hand-held electric drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108257.1A CN109664246B (en) | 2019-02-02 | 2019-02-02 | Auxiliary drilling device for hand-held electric drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109664246A CN109664246A (en) | 2019-04-23 |
| CN109664246B true CN109664246B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910108257.1A Active CN109664246B (en) | 2019-02-02 | 2019-02-02 | Auxiliary drilling device for hand-held electric drill |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111975037B (en) * | 2020-08-27 | 2022-03-18 | 上海化工研究院有限公司 | A safe type drilling equipment for lead-acid batteries weeping test |
| CN113664565B (en) * | 2021-08-26 | 2023-11-21 | 沈阳华秦航发科技有限责任公司 | Drill bit clamp structure for preventing winding |
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|---|---|---|---|---|
| EP2067553A1 (en) * | 2007-12-07 | 2009-06-10 | Hitachi Koki CO., LTD. | Drilling tool with dust collector |
| WO2012065305A1 (en) * | 2010-11-18 | 2012-05-24 | Tseng Kuan-Li | Dust collector for electric drill |
| CN207735634U (en) * | 2018-01-08 | 2018-08-17 | 燕山大学 | A kind of multifunctional safe electric hand drill |
| CN108705123A (en) * | 2018-07-13 | 2018-10-26 | 高邮市力博机床附件厂 | A kind of electric drill with dust reduction capability |
| CN209533297U (en) * | 2019-02-02 | 2019-10-25 | 杭州卓维机械有限公司 | A kind of auxiliary bore hole device of hand held electric drill |
-
2019
- 2019-02-02 CN CN201910108257.1A patent/CN109664246B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2067553A1 (en) * | 2007-12-07 | 2009-06-10 | Hitachi Koki CO., LTD. | Drilling tool with dust collector |
| WO2012065305A1 (en) * | 2010-11-18 | 2012-05-24 | Tseng Kuan-Li | Dust collector for electric drill |
| CN207735634U (en) * | 2018-01-08 | 2018-08-17 | 燕山大学 | A kind of multifunctional safe electric hand drill |
| CN108705123A (en) * | 2018-07-13 | 2018-10-26 | 高邮市力博机床附件厂 | A kind of electric drill with dust reduction capability |
| CN209533297U (en) * | 2019-02-02 | 2019-10-25 | 杭州卓维机械有限公司 | A kind of auxiliary bore hole device of hand held electric drill |
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| Publication number | Publication date |
|---|---|
| CN109664246A (en) | 2019-04-23 |
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