CN110394481B - Electric woodworking drill with drill bit protection function - Google Patents
Electric woodworking drill with drill bit protection function Download PDFInfo
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- CN110394481B CN110394481B CN201910694057.9A CN201910694057A CN110394481B CN 110394481 B CN110394481 B CN 110394481B CN 201910694057 A CN201910694057 A CN 201910694057A CN 110394481 B CN110394481 B CN 110394481B
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- 238000005553 drilling Methods 0.000 abstract description 26
- 239000002023 wood Substances 0.000 abstract description 18
- 239000000428 dust Substances 0.000 abstract description 12
- 238000003466 welding Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
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- 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
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to a woodworking electric drill, in particular to a woodworking electric drill with a drill bit protection function. The invention aims to provide a woodworking electric drill with a drill bit protection function, which can protect a drill bit, control the drilling depth and reduce wood dust. The technical scheme is as follows: a woodworking electric drill with a drill bit protection function comprises a handle, a first shell, an air inlet net, a sliding rail, a sliding block, a first spring and the like; the handle right side is equipped with first shell, and first shell top left and right sides symmetry is equipped with the air inlet net. The drill bit can be protected in the second shell through the protection device, the probability of damage of the drill bit caused by foreign objects is reduced, and the drill bit can be effectively protected to be intact; the drilling depth can be accurately controlled through the nut and the cushion block, the drilling depth can be adjusted according to actual needs of people, the operation of people is facilitated, the situation of repeatedly drilling can not occur, the time of people is saved, and the drilling efficiency is improved.
Description
Technical Field
The invention relates to a woodworking electric drill, in particular to a woodworking electric drill with a drill bit protection function.
Background
The electric drill is a common tool for people to carry out woodworking, when the electric drill used by people drills wood with hard texture, the electric drill often has the situation that a drill bit is broken, the drill bit is the position on the electric drill which is most easily damaged, sometimes people put the electric drill on the ground, and the electric drill can be damaged due to trampling of people or falling of other objects, and the main reasons are that the drill bit is easy to damage because the drill bit is not provided with a protection device; when people drill, the drilling depth is not easy to control, and when the drilling is deep, the drill bit is easy to break, so that the drilling efficiency of people is reduced; meanwhile, the electric drill can generate a large amount of sawdust when drilling, so that people can be affected and even respiratory diseases can be caused when working, and the health of people is very unfavorable.
Disclosure of Invention
In order to overcome the defects that the conventional electric drill used by people does not have a drill bit protection device, the drilling depth is not easy to control and the wood chip dust is large, the invention aims to provide the electric drill with the drill bit protection function, which can protect a drill bit, control the drilling depth and reduce the wood chip dust.
The technical scheme is as follows: a woodworking electric drill with a drill bit protection function comprises a handle, a first shell, an air inlet net, a slide rail, a slide block, a first spring, a baffle, a mounting seat, a motor, a pull rod, a cross rod, a rotating shaft, a clamp, a drill bit and a protection device, wherein the right side of the handle is provided with the first shell, the left side and the right side of the top of the first shell are symmetrically provided with the air inlet net, the upper part of the right wall in the first shell is provided with the slide rail which is positioned below the right air inlet net, the upper side and the lower side of the slide rail are both provided with the slide block in a sliding manner, the bottom of the slide rail is provided with the baffle, the first spring is connected between the baffle and the slide block below, the left side of the slide rail in the upper direction and the lower direction is provided with the mounting seat, the motor is arranged in the first shell, the top of the motor is provided with the pull, the lower end of the rotating shaft is provided with a clamp, a drill bit is placed in the clamp, the bottom of the first shell is provided with a protection device, and the protection device is located on the outer side of the drill bit.
As a further preferred scheme, the protection device comprises a second shell, an elastic rod, hooks, connecting rods, pull rings, second springs, rubber pads, support legs, an anti-slip mat and an air outlet net, wherein the elastic rod is symmetrically arranged on the left side and the right side in the first shell, the hooks are arranged on the outer side of the lower part of the elastic rod, first through holes are formed in the lower parts of the left side and the right side of the first shell, the connecting rods are hinged in the middle of the outer sides of the elastic rods, the outer ends of the connecting rods penetrate through the first through holes, the pull rings are arranged on the left side and the right side of the first shell, the second springs are connected between the pull rings and the first shell, the outer ends of the connecting rods penetrate through the second springs, the rubber pads are arranged at the bottom of the first shell, the second shell is arranged below the first shell, the top of the second shell is contacted with the bottom of the, the bottom of the support leg is provided with an anti-slip pad, the bottom of the second shell is provided with an air outlet net, and the air outlet net is positioned between the left support leg and the right support leg.
As a further preferred scheme, the cylinder body, a guide block, a piston ring, a one-way valve, a vertical rod, a stop block, a pull rope, a rocker, a limiting block and a spring sheet are further included, the cylinder body is arranged at the left side of the motor and is positioned in the first shell, the piston ring is arranged in a sliding manner in the cylinder body, the guide block is arranged in the piston ring, a large air inlet hole and a small air inlet hole are formed in the guide block, the large air inlet hole is positioned at the left side of the small air inlet hole, the one-way valve is arranged in the large air inlet hole, the vertical rod is positioned between the large air inlet hole and the small air inlet hole, the upper end of the vertical rod is connected with the bottom of the air inlet net, the stop block is hinged to the lower portion of the left wall in the first shell, the top of the stop block is contacted with the bottom of the cylinder body, the spring sheet, the left side of the stop block is connected with a pull rope, the left end of the pull rope penetrates through the second through hole, the left side of the first shell is hinged to form a rocker, the rocker is located below the handle, and the left end of the pull rope is connected with the rocker.
As a further preferred scheme, the pull rod further comprises a threaded pipe, a nut, rotating rods and a cushion block, the threaded pipe is arranged on the outer side of the pull rod, the nut is connected to the outer side of the threaded pipe through threads, the nut is located above the first shell, the rotating rods are symmetrically arranged on the left side and the right side of the nut, the cushion block is arranged at the bottom of the nut, and the cushion block is located above the first shell.
As a further preferred scheme, the air-out device further comprises a fixing ring, supporting rods, a protecting ring, fan blades, bent rods and air deflectors, wherein the fixing ring is arranged on the outer side of the motor, the supporting rods are symmetrically arranged on the left side and the right side of the fixing ring, the protecting ring is arranged at the lower ends of the left supporting rod and the right supporting rod, the fan blades are arranged in the protecting ring, the bent rods are arranged on the lower portion in the second shell and behind the drill bit, the plurality of air deflectors are uniformly arranged on the bent rods, and the air deflectors are arranged above the air outlet net.
The invention has the following advantages: the drill bit can be protected in the second shell through the protection device, the probability of damage of the drill bit caused by foreign objects is reduced, and the drill bit can be effectively protected to be intact; the depth of the drilled hole can be controlled more accurately through the arranged nut and the cushion block, the depth can be adjusted according to the actual needs of people, the operation of people is facilitated, the situation of repeatedly drilling is avoided, the time of people is saved, and the drilling efficiency is improved; the fan blades and the air guide plates can reduce the dust generated during the wood dust blowing, so that the long-time work of people is facilitated, the influence of the dust on the work of people can be reduced, and the health of people is facilitated.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is an enlarged schematic view of part a of the present invention.
Fig. 3 is an enlarged schematic view of part B of the present invention.
Number designation in the figures: 1. handle, 2, first shell, 3, air inlet net, 4, sliding rail, 5, sliding block, 6, first spring, 7, baffle, 8, mounting seat, 9, motor, 10, pull rod, 11, cross rod, 12, rotating shaft, 13, clamp, 14, drill bit, 15, protective device, 150, second shell, 151, elastic rod, 152, hook, 153, groove, 154, first through hole, 155, connecting rod, 156, pull ring, 157, second spring, 158, rubber pad, 159, leg, 1510, non-slip pad, 1511, air outlet net, 16, cylinder body, 161, guide block, 162, piston ring 163, large, 164, check valve, 165, air inlet hole, 166, vertical rod, 167, 168, pull rope, 169, rocker, 1611, limit block, 1612, spring sheet, 17, threaded pipe, 171, nut, 172, rotating rod, 173, fixing ring, 181, 18, support rod, 182. guard ring 183 fan blades 184 bent rods 185 wind deflector.
Detailed Description
The following further describes the technical solution with reference to specific embodiments, and it should be noted that: the words upper, lower, left, right, and the like used herein to indicate orientation are merely for the location of the illustrated structure in the corresponding figures. The serial numbers of the parts are themselves numbered herein, for example: first, second, etc. are used solely to distinguish one from another as to objects described herein, and do not have any sequential or technical meaning. The application states that: the connection and coupling, unless otherwise indicated, include both direct and indirect connections.
Example 1
An electric woodworking drill with a drill bit protection function is disclosed, as shown in fig. 1-3, and comprises a handle 1, a first shell 2, an air inlet net 3, a slide rail 4, a slide block 5, a first spring 6, a baffle 7, a mounting seat 8, a motor 9, a pull rod 10, a cross rod 11, a rotating shaft 12, a clamp 13, a drill bit 14 and a protection device 15, wherein the first shell 2 is arranged on the right side of the handle 1, the handle 1 is connected with the first shell 2 in a welding connection mode, the air inlet net 3 is symmetrically arranged on the left side and the right side of the top of the first shell 2, the slide rail 4 is arranged on the upper portion of the right wall in the first shell 2, the slide rail 4 is positioned below the right air inlet net 3, the slide blocks 5 are arranged on the upper side and the lower side of the slide rail 4 in a sliding mode, the baffle 7 is arranged at the bottom of the slide rail 4, the slide rail 4 is connected with the baffle 7 in a welding connection mode, 8 left sides of mount pad are equipped with motor 9, motor 9 is located first shell 2, the motor 9 top is equipped with pull rod 10, first shell 2 is passed to pull rod 10 upper end, pull rod 10 upper end is equipped with horizontal pole 11, pull rod 10 is connected with horizontal pole 11 through welded connection's mode, horizontal pole 11 is located the top of first shell 2, the lower extreme of motor 9 output shaft is equipped with pivot 12, pivot 12 lower extreme is equipped with clamp 13, drill bit 14 has been placed in clamp 13, 2 bottoms of first shell are equipped with protection device 15, protection device 15 is located the outside of drill bit 14.
Example 2
An electric woodwork drill with a drill bit protection function is disclosed, as shown in figure 1-3, comprising a handle 1, a first shell 2, an air inlet net 3, a slide rail 4, a slide block 5, a first spring 6, a baffle 7, a mounting seat 8, a motor 9, a pull rod 10, a cross rod 11, a rotating shaft 12, a clamp 13, a drill bit 14 and a protection device 15, wherein the first shell 2 is arranged at the right side of the handle 1, the air inlet net 3 is symmetrically arranged at the left and right sides of the top of the first shell 2, the slide rail 4 is arranged at the upper part of the right wall in the first shell 2, the slide rail 4 is positioned below the air inlet net 3 at the right side, the slide block 5 is arranged at the upper and lower sides of the slide rail 4 in a sliding manner, the baffle 7 is arranged at the bottom of the slide rail 4, the first spring 6 is connected between the baffle 7 and the slide block 5 at the lower part, the mounting seat 8 is arranged at the left side of, the upper end of a pull rod 10 penetrates through the first shell 2, a cross rod 11 is arranged at the upper end of the pull rod 10, the cross rod 11 is located above the first shell 2, a rotating shaft 12 is arranged at the lower end of an output shaft of the motor 9, a clamp 13 is arranged at the lower end of the rotating shaft 12, a drill bit 14 is placed in the clamp 13, a protection device 15 is arranged at the bottom of the first shell 2, and the protection device 15 is located on the outer side of the drill bit 14.
The protection device 15 comprises a second housing 150, an elastic rod 151, a hook 152, a connecting rod 155, a pull ring 156, a second spring 157, a rubber pad 158, a support leg 159, a non-slip mat 1510 and an air outlet net 1511, wherein the elastic rod 151 is symmetrically arranged on the left side and the right side in the first housing 2, the hook 152 is arranged on the outer side of the lower portion of the elastic rod 151, the elastic rod 151 is connected with the hook 152 in a welding connection manner, the lower portions of the left side and the right side of the first housing 2 are respectively provided with a first through hole 154, the middle portion of the outer side of the elastic rod 151 is provided with the connecting rod 155 in a hinged manner, the outer end of the connecting rod 155 passes through the first through hole 154, the outer end of the connecting rod 155 is provided with the pull ring 156, the connecting rod 155 is connected with the pull ring 156 in a welding connection manner, the pull ring 156 is positioned on the left side and the right side of the first housing 2, the second, the top of the second housing 150 is in contact with the bottom of the rubber pad 158, a groove 153 is formed in the upper portion of the inner side of the second housing 150, the hook 152 is located in the groove 153, support legs 159 are symmetrically arranged on the lower portions of the left side and the right side of the second housing 150, the second housing 150 is connected with the support legs 159 in a welding connection mode, the anti-slip pad 1510 is arranged at the bottom of the support legs 159, an air outlet net 1511 is arranged at the bottom of the second housing 150, and the air outlet net 1511 is located between the support legs 159.
Example 3
An electric woodwork drill with a drill bit protection function is disclosed, as shown in figure 1-3, comprising a handle 1, a first shell 2, an air inlet net 3, a slide rail 4, a slide block 5, a first spring 6, a baffle 7, a mounting seat 8, a motor 9, a pull rod 10, a cross rod 11, a rotating shaft 12, a clamp 13, a drill bit 14 and a protection device 15, wherein the first shell 2 is arranged at the right side of the handle 1, the air inlet net 3 is symmetrically arranged at the left and right sides of the top of the first shell 2, the slide rail 4 is arranged at the upper part of the right wall in the first shell 2, the slide rail 4 is positioned below the air inlet net 3 at the right side, the slide block 5 is arranged at the upper and lower sides of the slide rail 4 in a sliding manner, the baffle 7 is arranged at the bottom of the slide rail 4, the first spring 6 is connected between the baffle 7 and the slide block 5 at the lower part, the mounting seat 8 is arranged at the left side of, the upper end of a pull rod 10 penetrates through the first shell 2, a cross rod 11 is arranged at the upper end of the pull rod 10, the cross rod 11 is located above the first shell 2, a rotating shaft 12 is arranged at the lower end of an output shaft of the motor 9, a clamp 13 is arranged at the lower end of the rotating shaft 12, a drill bit 14 is placed in the clamp 13, a protection device 15 is arranged at the bottom of the first shell 2, and the protection device 15 is located on the outer side of the drill bit 14.
The protection device 15 comprises a second housing 150, an elastic rod 151, a hook 152, a connecting rod 155, a pull ring 156, a second spring 157, a rubber pad 158, a support leg 159, a non-slip mat 1510 and an air outlet net 1511, wherein the elastic rod 151 is symmetrically arranged on the left side and the right side in the first housing 2, the hook 152 is arranged on the outer side of the lower part of the elastic rod 151, the first through hole 154 is formed in the lower part of the left side and the right side of the first housing 2, the connecting rod 155 is hinged in the middle of the outer side of the elastic rod 151, the outer end of the connecting rod 155 passes through the first through hole 154, the pull ring 156 is arranged on the outer end of the connecting rod 155, the pull ring 156 is positioned on the left side and the right side of the first housing 2, the second spring 157 is connected between the pull ring 156 and the first housing 2, the outer end of the connecting rod 155 passes through the second spring 157, the rubber pad 158 is arranged, the hook 152 is located in the groove 153, the lower portions of the left side and the right side of the second housing 150 are symmetrically provided with support legs 159, the bottom of each support leg 159 is provided with an anti-slip pad 1510, the bottom of the second housing 150 is provided with an air outlet net 1511, and the air outlet net 1511 is located between the support legs 159 of the left side and the right side.
The air intake device further comprises a cylinder body 16, a guide block 161, a piston ring 162, a one-way valve 164, a vertical rod 166, a stop block 167, a pull rope 168, a rocker 169, a limit block 1611 and an elastic sheet 1612, the cylinder body 16 is arranged on the left side of the motor 9, the cylinder body 16 is positioned in the first shell 2, the piston ring 162 is arranged in the cylinder body 16 in a sliding mode, the guide block 161 is arranged in the piston ring 162, a large air inlet hole 163 and a small air inlet hole 165 are formed in the guide block 161, the large air inlet hole 163 is positioned on the left side of the small air inlet hole 165, the one-way valve 164 is arranged in the large air inlet hole 163, the vertical rod 166 is arranged on the top of the guide block 161, the guide block 161 is connected with the vertical rod 166 in a welding connection mode, the vertical rod 166 is positioned between the large air inlet hole 163 and the small air inlet hole 165, the upper end of the vertical rod 166, an elastic sheet 1612 is connected between the stop block 167 and the first shell 2, the elastic sheet 1612 is located on the left side of the cylinder body 16, a limit block 1611 is arranged on the lower portion of the left wall in the first shell 2, the first shell 2 is connected with the limit block 1611 in a welding connection mode, the limit block 1611 is located below the stop block 167, a second through hole 1610 is formed in the lower portion of the left wall of the first shell 2, a pull rope 168 is connected to the left side of the stop block 167, the left end of the pull rope 168 penetrates through the second through hole 1610, a rocker 169 is hinged to the left side of the first shell 2, the rocker 169 is located below the handle 1, and the left end of the.
Example 4
An electric woodwork drill with a drill bit protection function is disclosed, as shown in figure 1-3, comprising a handle 1, a first shell 2, an air inlet net 3, a slide rail 4, a slide block 5, a first spring 6, a baffle 7, a mounting seat 8, a motor 9, a pull rod 10, a cross rod 11, a rotating shaft 12, a clamp 13, a drill bit 14 and a protection device 15, wherein the first shell 2 is arranged at the right side of the handle 1, the air inlet net 3 is symmetrically arranged at the left and right sides of the top of the first shell 2, the slide rail 4 is arranged at the upper part of the right wall in the first shell 2, the slide rail 4 is positioned below the air inlet net 3 at the right side, the slide block 5 is arranged at the upper and lower sides of the slide rail 4 in a sliding manner, the baffle 7 is arranged at the bottom of the slide rail 4, the first spring 6 is connected between the baffle 7 and the slide block 5 at the lower part, the mounting seat 8 is arranged at the left side of, the upper end of a pull rod 10 penetrates through the first shell 2, a cross rod 11 is arranged at the upper end of the pull rod 10, the cross rod 11 is located above the first shell 2, a rotating shaft 12 is arranged at the lower end of an output shaft of the motor 9, a clamp 13 is arranged at the lower end of the rotating shaft 12, a drill bit 14 is placed in the clamp 13, a protection device 15 is arranged at the bottom of the first shell 2, and the protection device 15 is located on the outer side of the drill bit 14.
The protection device 15 comprises a second housing 150, an elastic rod 151, a hook 152, a connecting rod 155, a pull ring 156, a second spring 157, a rubber pad 158, a support leg 159, a non-slip mat 1510 and an air outlet net 1511, wherein the elastic rod 151 is symmetrically arranged on the left side and the right side in the first housing 2, the hook 152 is arranged on the outer side of the lower part of the elastic rod 151, the first through hole 154 is formed in the lower part of the left side and the right side of the first housing 2, the connecting rod 155 is hinged in the middle of the outer side of the elastic rod 151, the outer end of the connecting rod 155 passes through the first through hole 154, the pull ring 156 is arranged on the outer end of the connecting rod 155, the pull ring 156 is positioned on the left side and the right side of the first housing 2, the second spring 157 is connected between the pull ring 156 and the first housing 2, the outer end of the connecting rod 155 passes through the second spring 157, the rubber pad 158 is arranged, the hook 152 is located in the groove 153, the lower portions of the left side and the right side of the second housing 150 are symmetrically provided with support legs 159, the bottom of each support leg 159 is provided with an anti-slip pad 1510, the bottom of the second housing 150 is provided with an air outlet net 1511, and the air outlet net 1511 is located between the support legs 159 of the left side and the right side.
The air intake device further comprises a cylinder body 16, a guide block 161, a piston ring 162, a one-way valve 164, a vertical rod 166, a stop block 167, a pull rope 168, a rocker 169, a limit block 1611 and a spring sheet 1612, the cylinder body 16 is arranged on the left side of the motor 9, the cylinder body 16 is positioned in the first shell 2, the piston ring 162 is arranged in the cylinder body 16 in a sliding manner, the guide block 161 is arranged in the piston ring 162, a large air inlet hole 163 and a small air inlet hole 165 are formed in the guide block 161, the large air inlet hole 163 is positioned on the left side of the small air inlet hole 165, the one-way valve 164 is arranged in the large air inlet hole 163, the vertical rod 166 is arranged at the top of the guide block 161, the vertical rod 166 is positioned between the large air inlet hole 163 and the small air inlet hole 165, the upper end of the vertical rod 166 is connected with the bottom of the air intake net 3, the stop block 167 is hinged to the lower portion of the left wall, the limiting block 1611 is located below the stop 167, the lower portion of the left wall of the first housing 2 is provided with a second through hole 1610, the left side of the stop 167 is connected with a pull rope 168, the left end of the pull rope 168 penetrates through the second through hole 1610, the left side of the first housing 2 is hinged to a rocker 169, the rocker 169 is located below the handle 1, and the left end of the pull rope 168 is connected with the rocker 169.
The pull rod comprises a pull rod 10 and is characterized by further comprising a threaded pipe 17, a nut 171, a rotating rod 172 and a cushion block 173, the threaded pipe 17 is arranged on the outer side of the pull rod 10, the nut 171 is connected to the outer side of the threaded pipe 17 through threads, the nut 171 is located above the first shell 2, the rotating rod 172 is symmetrically arranged on the left side and the right side of the nut 171, the nut 171 is connected with the rotating rod 172 in a welding connection mode, the cushion block 173 is arranged at the bottom of the nut 171, and the cushion block 173 is located above the.
Example 5
An electric woodwork drill with a drill bit protection function is disclosed, as shown in figure 1-3, comprising a handle 1, a first shell 2, an air inlet net 3, a slide rail 4, a slide block 5, a first spring 6, a baffle 7, a mounting seat 8, a motor 9, a pull rod 10, a cross rod 11, a rotating shaft 12, a clamp 13, a drill bit 14 and a protection device 15, wherein the first shell 2 is arranged at the right side of the handle 1, the air inlet net 3 is symmetrically arranged at the left and right sides of the top of the first shell 2, the slide rail 4 is arranged at the upper part of the right wall in the first shell 2, the slide rail 4 is positioned below the air inlet net 3 at the right side, the slide block 5 is arranged at the upper and lower sides of the slide rail 4 in a sliding manner, the baffle 7 is arranged at the bottom of the slide rail 4, the first spring 6 is connected between the baffle 7 and the slide block 5 at the lower part, the mounting seat 8 is arranged at the left side of, the upper end of a pull rod 10 penetrates through the first shell 2, a cross rod 11 is arranged at the upper end of the pull rod 10, the cross rod 11 is located above the first shell 2, a rotating shaft 12 is arranged at the lower end of an output shaft of the motor 9, a clamp 13 is arranged at the lower end of the rotating shaft 12, a drill bit 14 is placed in the clamp 13, a protection device 15 is arranged at the bottom of the first shell 2, and the protection device 15 is located on the outer side of the drill bit 14.
The protection device 15 comprises a second housing 150, an elastic rod 151, a hook 152, a connecting rod 155, a pull ring 156, a second spring 157, a rubber pad 158, a support leg 159, a non-slip mat 1510 and an air outlet net 1511, wherein the elastic rod 151 is symmetrically arranged on the left side and the right side in the first housing 2, the hook 152 is arranged on the outer side of the lower part of the elastic rod 151, the first through hole 154 is formed in the lower part of the left side and the right side of the first housing 2, the connecting rod 155 is hinged in the middle of the outer side of the elastic rod 151, the outer end of the connecting rod 155 passes through the first through hole 154, the pull ring 156 is arranged on the outer end of the connecting rod 155, the pull ring 156 is positioned on the left side and the right side of the first housing 2, the second spring 157 is connected between the pull ring 156 and the first housing 2, the outer end of the connecting rod 155 passes through the second spring 157, the rubber pad 158 is arranged, the hook 152 is located in the groove 153, the lower portions of the left side and the right side of the second housing 150 are symmetrically provided with support legs 159, the bottom of each support leg 159 is provided with an anti-slip pad 1510, the bottom of the second housing 150 is provided with an air outlet net 1511, and the air outlet net 1511 is located between the support legs 159 of the left side and the right side.
The air intake device further comprises a cylinder body 16, a guide block 161, a piston ring 162, a one-way valve 164, a vertical rod 166, a stop block 167, a pull rope 168, a rocker 169, a limit block 1611 and a spring sheet 1612, the cylinder body 16 is arranged on the left side of the motor 9, the cylinder body 16 is positioned in the first shell 2, the piston ring 162 is arranged in the cylinder body 16 in a sliding manner, the guide block 161 is arranged in the piston ring 162, a large air inlet hole 163 and a small air inlet hole 165 are formed in the guide block 161, the large air inlet hole 163 is positioned on the left side of the small air inlet hole 165, the one-way valve 164 is arranged in the large air inlet hole 163, the vertical rod 166 is arranged at the top of the guide block 161, the vertical rod 166 is positioned between the large air inlet hole 163 and the small air inlet hole 165, the upper end of the vertical rod 166 is connected with the bottom of the air intake net 3, the stop block 167 is hinged to the lower portion of the left wall, the limiting block 1611 is located below the stop 167, the lower portion of the left wall of the first housing 2 is provided with a second through hole 1610, the left side of the stop 167 is connected with a pull rope 168, the left end of the pull rope 168 penetrates through the second through hole 1610, the left side of the first housing 2 is hinged to a rocker 169, the rocker 169 is located below the handle 1, and the left end of the pull rope 168 is connected with the rocker 169.
The pull rod comprises a pull rod 10 and is characterized by further comprising a threaded pipe 17, a nut 171, a rotating rod 172 and a cushion block 173, the threaded pipe 17 is arranged on the outer side of the pull rod 10, the nut 171 is connected to the outer side of the threaded pipe 17 through threads, the nut 171 is located above the first shell 2, the rotating rod 172 is symmetrically arranged on the left side and the right side of the nut 171, the cushion block 173 is arranged at the bottom of the nut 171, and the cushion block 173 is located above the first shell 2.
The air guide device is characterized by further comprising a fixing ring 18, supporting rods 181, protecting rings 182, fan blades 183, bent rods 184 and air guide plates 185, wherein the fixing ring 18 is arranged on the outer side of the motor 9, the motor 9 is connected with the fixing ring 18 in a welding connection mode, the supporting rods 181 are symmetrically arranged on the left side and the right side of the fixing ring 18, the protecting rings 182 are arranged at the lower ends of the left supporting rod 181 and the right supporting rod 181, the supporting rods 181 are connected with the protecting rings 182 in a welding connection mode, the fan blades 183 are arranged in the middle of the rotating shaft 12, the fan blades 183 are located in the protecting rings 182, the bent rods 184 are arranged on the lower portion in the second shell 150 and located behind the drill bit 14, the plurality of air guide plates 185 are.
When people need to drill, people firstly hold the handle 1 to place the wood drilling tool on the wood to be drilled, the protection device 15 is in contact with the wood, the drill bit 14 is arranged right above the drilling position, then people pull the cross rod 11 upwards, the cross rod 11 drives the motor 9, the rotating shaft 12, the clamp 13, the drill bit 14 and the pull rod 10 to move upwards, the motor 9 drives the mounting seat 8 and the sliding block 5 to move upwards, the first spring 6 is stretched, then people start the motor 9 to work, the rotating shaft 12, the clamp 13 and the drill bit 14 are driven to rotate by the rotation of the output shaft of the motor 9, then people remove hands from the cross rod 11, the sliding block 5, the motor 9 and the drill bit 14 can move downwards under the spring force of the first spring 6, the drill bit 14 is in contact with the wood to drill, when the sliding block 5 returns to the original position, the drill bit 14 is in place, then people pull the cross rod 11 upwards, further, the drill bit 14 is pulled out of the hole, then people can move the drilling device to a position needing drilling at the lower part for drilling, the air inlet net 3 can ventilate the first shell 2, the heat dissipation of the motor 9 is facilitated, the device is protected to be intact, meanwhile, wood chips can be prevented from entering the first shell 2, the safety of the motor 9 is further protected, the baffle plate 7 can provide support for the first spring 6, when the drill bit 14 is long in service time and seriously worn and needs to be replaced, people separate the protection device 15 from the first shell 2, then people can loosen the clamp 13 to replace the drill bit 14, after people replace the drill bit 14, people clamp the clamp 13 again, then combine the protection device 15 with the first shell 2, so that the protection of the drill bit 14 can be realized, and the damage of foreign objects to the drill bit 14 is avoided, meanwhile, when the drill bit 14 is broken in the drilling process, people are protected, the situation of hurting people is prevented, and the safety is higher.
When people need to replace the drill bit 14, people press the pull ring 156 inwards, the pull ring 156 drives the connecting rod 155 to move inwards, the second spring 157 is compressed, the elastic rod 151 deforms, and then the hook 152 is driven to be disengaged from the groove 153, then people can take the second housing 150 down, after people take the second housing 150 down, people remove hands from the pull ring 156, stop pressing the pull ring 156, and then the pull ring 156 and the connecting rod 155 can recover to the original position under the elastic force action of the second spring 157 and the elastic rod 151, then people replace the drill bit 14, after people replace the drill bit 14, people press the pull ring 156 inwards again, and then the hook 152 moves inwards, people can install the second housing 150, then people remove hands from the pull ring 156, and then the hook 152 is combined with the groove 153, so that the first housing 2 is connected with the second housing 150, therefore, the drill bit 14 can be protected in the second housing 150, the probability of damage to the drill bit 14 caused by foreign objects is reduced, the drill bit 14 can be effectively protected to be intact, the rubber pad 158 can enable the first housing 2 and the second housing 150 to be combined more tightly, the anti-slip pad 1510 can prevent the stability of the air conditioner in the working process, the sliding condition cannot occur, the air outlet net 1511 can keep the flow of air in the first housing 2 and the second housing 150, and meanwhile, wood chips can be prevented from entering the second housing 150 to affect equipment.
When people need to drill, people firstly pull the cross rod 11 upwards to further enable the motor 9 to move upwards, the first spring 6 is stretched, the motor 9 drives the cylinder body 16 to move upwards, the check valve 164 is pressed to be opened, air at the lower part in the cylinder body 16 is discharged through the large air inlet hole 163 and the small air inlet hole 165, the exhaust speed is high, people pull the cross rod 11 easily, the work efficiency of people is improved, the work time is shortened, when the bottom of the cylinder body 16 is not in contact with the stop block 167 any more, the stop block 167 can rotate clockwise under the action of the elastic force of the elastic sheet 1612, the stop block 167 blocks the cylinder body 16, the downward movement of the motor 9 is further prevented, the situation that people always pull the cross rod 11 by hands is avoided, the burden of people is relieved, the limit block 1611 can prevent the stop block 167 from rotating too far, the people are not beneficial to withdraw the stop block 167, when people move the drill bit, when the block 167 is separated from the bottom of the cylinder 16, the motor 9 and the drill bit 14 move downwards under the action of the spring force of the first spring 6, the check valve 164 is pressed to be closed, the large air inlet hole 163 is closed, the cylinder 16 can only intake air through the small air inlet hole 165, the air intake speed is slow, and the descending speed of the motor 9 is slow, so that the instant force generated when the drill bit 14 is in contact with wood is reduced, the safety of the drill bit 14 is protected, the drill bit 14 is not easy to break, the drill bit 14 drills, after the drill bit 14 drills a hole, people pull the cross rod 11 upwards again, the cylinder 16, the motor 9 and the drill bit 14 move upwards, the drill bit 14 is pulled out of the drilled hole, and after the cylinder 16 is separated from the block 167, the cylinder 16 is blocked by the block 167, and is ready for the next drilling.
Before people drill, people can adjust the descending distance of the drill bit 14 by rotating the nut 171 to further control the drilling depth, when people need to drill deeper holes, people rotate the rotating rod 172 anticlockwise to drive the nut 171 to rotate anticlockwise on the threaded pipe 17, the cushion block 173 moves upwards along with the nut, further the distance between the cushion block 173 and the first shell 2 is increased, further the descending distance of the drill bit 14 is increased, the holes drilled by the drill bit 14 are deeper, when people need to drill shallower holes, people rotate the rotating rod 172 clockwise to drive the nut 171 to rotate clockwise on the threaded pipe 17, the cushion block 173 moves downwards along with the cushion block 173, further the distance between the cushion block 173 and the first shell 2 is reduced, further the descending distance of the drill bit 14 is reduced, the holes drilled by the drill bit 14 are shallower, further the drilling depth can be accurately controlled, and the adjustment can be carried out according to actual needs of people, the drilling machine has the advantages that the operation of people is facilitated, the situation of repeatedly drilling can be avoided, the time of people is saved, and the drilling efficiency is improved.
When people start the motor 9, the rotation of the output shaft of the motor 9 drives the rotating shaft 12 to rotate, and further drives the fan blade 183 to rotate, and then wind is generated, and after the wind is guided by the wind deflector 185, the wood dust drilled during drilling the drill bit 14 is blown to one direction, and then the wood dust is blown off from the wood, when an obstacle is on the right side of the wood, people can rotate the second housing 150, and further drive the bent rod 184 and the wind deflector 185 to rotate, and then the direction of the wind guided out by the wind deflector 185 is changed, so that the raised dust generated during blowing the wood dust is reduced, the long-time work of people is facilitated, the influence of the raised dust during the work of people can be reduced, the health of people is facilitated, the fan blade 183 can be protected by the protection ring 182, meanwhile, the influence on the first housing 2 and the second housing 150 can be reduced when the fan blade 183 is damaged, the loss is reduced, and when people close the motor 9, the, and then the wood dust blowing operation is stopped.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (3)
1. A woodworking electric drill with a drill bit protection function comprises a handle, a first shell, an air inlet net, a slide rail, a slide block, a first spring and a baffle plate, wherein the right side of the handle is provided with the first shell, the left side and the right side of the top of the first shell are symmetrically provided with the air inlet net, the upper part of the right wall in the first shell is provided with the slide rail, the slide rail is positioned below the right air inlet net, the upper side and the lower side of the slide rail are both provided with the slide block in a sliding manner, the bottom of the slide rail is provided with the baffle plate, the first spring is connected between the baffle plate and the slide block below the baffle plate, the woodworking electric drill is characterized by further comprising a mounting seat, a motor, a pull rod, a cross rod, a rotating shaft, a clamp, a drill bit and a protection device, the left side of the slide rails on the upper side and the lower side is provided with the motor, the motor is, the lower end of the rotating shaft is provided with a clamp, a drill bit is placed in the clamp, the bottom of the first shell is provided with a protection device, and the protection device is positioned on the outer side of the drill bit; the protection device comprises a second shell, an elastic rod, a hook, a connecting rod, a pull ring, a second spring, a rubber pad, support legs, an anti-skid pad and an air outlet net, wherein the elastic rod is symmetrically arranged at the left side and the right side in the first shell, the hook is arranged at the outer side of the lower part of the elastic rod, the lower parts of the left side and the right side of the first shell are respectively provided with a first through hole, the middle part of the outer side of the elastic rod is hinged with the connecting rod, the outer end of the connecting rod passes through the first through hole, the pull ring is arranged at the outer end of the connecting rod and is positioned at the left side and the right side of the first shell, the second spring is connected between the pull ring and the first shell, the outer end of the connecting rod passes through the second spring, the bottom of the first shell is provided with the rubber pad, the second shell is arranged below the first shell, an air outlet net is arranged at the bottom of the second shell and is positioned between the left and right support legs; the cylinder body is arranged on the left side of the motor, the cylinder body is positioned in the first shell, the piston ring is arranged in the cylinder body in a sliding mode, the guide block is arranged in the piston ring, a large air inlet hole and a small air inlet hole are formed in the guide block, the large air inlet hole is positioned on the left side of the small air inlet hole, the one-way valve is arranged in the large air inlet hole, the vertical rod is arranged at the top of the guide block and positioned between the large air inlet hole and the small air inlet hole, the upper end of the vertical rod is connected with the bottom of an air inlet net, the lower portion of the left wall in the first shell is provided with a stop block in a hinged mode, the top of the stop block is contacted with the bottom of the cylinder body, the elastic sheet is connected between the stop block and the first shell, the elastic sheet is positioned on the left side of the cylinder body, the lower portion of the left wall in, the left end of the pull rope penetrates through the second through hole, the left side of the first shell is hinged to a rocker, the rocker is located below the handle, and the left end of the pull rope is connected with the rocker.
2. The electric woodworking drill with the drill bit protection function as claimed in claim 1, further comprising a threaded pipe, a nut, a rotating rod and a cushion block, wherein the threaded pipe is arranged on the outer side of the pull rod, the nut is connected to the outer side of the threaded pipe through threads, the nut is located above the first shell, the rotating rod is symmetrically arranged on the left side and the right side of the nut, the cushion block is arranged at the bottom of the nut, and the cushion block is located above the first shell.
3. The electric woodworking drill with the drill bit protection function as claimed in claim 2, further comprising a fixing ring, a support rod, a protection ring, blades, a bent rod and a wind deflector, wherein the fixing ring is arranged outside the motor, the support rods are symmetrically arranged on the left side and the right side of the fixing ring, the protection ring is arranged at the lower ends of the left and right support rods, the blades are arranged in the middle of the rotating shaft, the blades are located in the protection ring, the bent rod is arranged at the lower portion inside the second housing, the bent rod is located behind the drill bit, the wind deflector is uniformly arranged on the bent rod, and the wind deflector is located above the gas outlet net.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910694057.9A CN110394481B (en) | 2019-07-30 | 2019-07-30 | Electric woodworking drill with drill bit protection function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910694057.9A CN110394481B (en) | 2019-07-30 | 2019-07-30 | Electric woodworking drill with drill bit protection function |
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| CN110394481A CN110394481A (en) | 2019-11-01 |
| CN110394481B true CN110394481B (en) | 2020-12-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111001853A (en) * | 2019-12-02 | 2020-04-14 | 广州原典装饰设计有限公司 | Cooling electric drill |
| CN111331178A (en) * | 2020-03-30 | 2020-06-26 | 丁中芝 | New material perforating device based on light sense control |
| CN113458456B (en) * | 2021-06-28 | 2022-04-12 | 浙江闽立电动工具有限公司 | High stability electric tool |
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