CN115041729B - Lithium electric drill with protection mechanism - Google Patents
Lithium electric drill with protection mechanism Download PDFInfo
- Publication number
- CN115041729B CN115041729B CN202210650495.7A CN202210650495A CN115041729B CN 115041729 B CN115041729 B CN 115041729B CN 202210650495 A CN202210650495 A CN 202210650495A CN 115041729 B CN115041729 B CN 115041729B
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- China
- Prior art keywords
- electric drill
- sliding
- plates
- fixedly connected
- drill body
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 title claims abstract description 44
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 27
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
-
- 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
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a lithium electric drill with a protection mechanism, belonging to the technical field of lithium electric drills, which comprises a drill bit, an electric drill body, a grip, a switch button and a lithium battery, wherein the drill bit is arranged at the left end of the electric drill body, the switch button transversely slides on the inner side of the electric drill body, the grip is fixedly connected below the electric drill body, and the lithium battery is arranged below the grip; according to the lithium electric drill, the two first sliding plates, the folding plates, the switch buttons and the unfolding mechanism are matched, so that when the drilling is started each time, the two first sliding plates are automatically driven to move to unfold the folding plates, the drilling position is protected, the harm to personnel caused by splashes during drilling is avoided, and when the lithium electric drill is closed, the first sliding plates and the folding plates are automatically retracted, so that the lithium electric drill is convenient for the personnel to use and store, the occupied space of the protection mechanism formed by the two first sliding plates and the folding plates is reduced, the personnel can conveniently store the lithium electric drill, and the folding plates are not easy to damage.
Description
Technical Field
The invention relates to the technical field of lithium electric drills, in particular to a lithium electric drill with a protection mechanism.
Background
The lithium electric drill is a tool which can be held and operated conveniently by utilizing the rechargeable lithium battery as an energy source to perform drilling work.
In the prior art, when a lithium electric drill is used for drilling, scraps in the drilling process are easy to splash in a messy way, the hands of the user who is observing or holding the lithium electric drill are easy to damage, the scattered scraps can influence personnel to observe the drilling position in a short distance, and the accuracy of drilling is reduced.
Based on the above, the invention designs a lithium electric drill with a protection mechanism to solve the above problems.
Disclosure of Invention
The invention aims to provide a lithium electric drill with a protection mechanism, which aims to solve the problems that in the prior art, when the lithium electric drill is used for drilling, scraps in the drilling process are easy to splash in a mess way, the hands of people who are observing or holding the lithium electric drill are easy to damage, and the shaky scraps can influence people to observe the drilling position in a short distance, so that the drilling accuracy is reduced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a lithium electric drill with protection machanism, includes drill bit, electric drill body, handle, shift knob and lithium cell, the drill bit is installed in electric drill body left end, shift knob transversely slides in electric drill body inboard, handle fixed connection is in the below of electric drill body, the lithium cell is installed in the below of handle, electric drill body below is provided with two first skateboards of arranging around, two first skateboards are located the right side of drill bit, two fixedly connected with folding plate between the first skateboards, be connected with on the electric drill body lateral wall and be used for driving two first skateboards and rotate the folding plate along the electric drill body in opposite directions when shift knob is pressed and expand and be circular shape expansion mechanism, expansion mechanism can drive two first skateboards and reset the folding plate drive when shift knob resets in step and reset.
The electric drill is characterized in that the unfolding mechanism comprises a first fixing ring, the first fixing ring is fixedly connected to the outer surface of the electric drill body, a first sliding groove is formed in the inner portion of the first fixing ring, threaded rods are inserted into the right side walls of the first sliding plates, the threaded rods are used for driving the first sliding plates to move, the threaded rods penetrate through the first sliding grooves, the front threaded rods and the rear threaded rods are oppositely rotated, a first moving ring is arranged on the right side of the first fixing ring, the first moving ring is sleeved on the electric drill body, an I-shaped second sliding groove is formed in the first moving ring, two threaded sleeves are connected to the inner portion of the second sliding groove in a sliding mode, the threaded sleeves are meshed with the threaded rods in a threaded mode, limiting mechanisms are connected to the right ends of the threaded sleeves, the limiting mechanisms are used for keeping the threaded sleeves from rotating when moving along the second sliding grooves, the first moving ring moves rightwards to enable the two threaded rods to oppositely rotate synchronously, first gears are fixedly connected to the outer surface of the first sliding ring, and the outer side walls of the first sliding grooves are meshed with the first threaded rods when the first gear is meshed with the first electric drill body.
The pulling mechanism comprises two arc-shaped fixing plates, the two arc-shaped fixing plates are respectively and fixedly connected to the front side wall and the rear side wall of the switch button, a pulling rod is fixedly connected between the arc-shaped fixing plates and the first movable ring, two first connecting plates are fixedly connected to the outer surface of the electric drill body, the first connecting plates are located on the right side of the threaded rod, the pulling rod penetrates through the first connecting plates and is in sliding connection with the first connecting plates, and first springs located between the first movable ring and the first connecting plates are respectively sleeved on the outer surface of the pulling rod.
The two equal fixedly connected with first slide bar of left end of threaded rod, two first slide bar runs through respectively around two first slide plates and rather than sliding connection, two the equal fixedly connected with of left end of first slide bar is first keeps off the dish, two all overlap on the first slide bar surface and is equipped with the second spring that is located between first fender dish and the first slide, arc rack that two front and back arrangements of fixedly connected with on the first solid fixed ring surface, two equal fixedly connected with ejector pin on the first slide right side wall, arc rack is used for acting on ejector pin and first slide vibrations about.
The limiting mechanism comprises a limiting sleeve, the limiting sleeve is fixedly connected to the outer surface of the threaded sleeve, and the inner side surface and the outer side surface of the limiting sleeve are arc-shaped and are attached to the inner side wall of the second sliding groove.
The electric drill comprises an electric drill body, and is characterized in that a first baffle is fixedly connected to the bottom of the electric drill body, the first baffle is located on the left side of a first sliding plate, two second sliding rods connected with the first sliding plate in a sliding mode penetrate through the first baffle, pushing plates are fixedly connected to the inner ends of the second sliding rods together, the pushing plates are used for pushing a folding plate to shake, pulling plates are fixedly connected to the left ends of the second sliding rods together, and third springs fixedly connected between the pulling plates and the first baffle are sleeved on the outer surfaces of the second sliding rods.
The electric drill is characterized in that a first baffle ring is fixedly connected to the outer surface of the electric drill body, and the first baffle ring is positioned on the left side of the first fixed ring and used for blocking splashes from entering the first chute.
The folding plate is a transparent plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the lithium electric drill, the two first sliding plates, the folding plates, the switch buttons and the unfolding mechanism are matched, so that when the drilling is started each time, the two first sliding plates are automatically driven to move to unfold the folding plates, the drilling position is protected, the harm to personnel caused by splashes during drilling is avoided, and when the lithium electric drill is closed, the first sliding plates and the folding plates are automatically retracted, so that the lithium electric drill is convenient for the personnel to use and store, the occupied space of the protection mechanism formed by the two first sliding plates and the folding plates is reduced, the personnel can conveniently store the lithium electric drill, and the folding plates are not easy to damage.
2. According to the invention, when the switch button is pressed rightwards, the switch button moves rightwards, the first moving ring is driven to move rightwards through the pulling mechanism, the first moving ring drives the threaded sleeve embedded in the second sliding groove to synchronously move rightwards through the I-shaped second sliding groove on the inner side of the first moving ring, the threaded sleeve is enabled to slide upwards by rotating when moving along the second sliding groove by the limiting mechanism, the threaded rod is driven to rotate the threaded rod to drive the first gear to rotate when the threaded sleeve moves outwards, the first gear is meshed with teeth on the inner side of the first sliding groove so as to move along the first sliding groove, the threaded rod synchronously drives the first sliding plate to move upwards along the first sliding groove, the threads of the two threaded rods are opposite, and when the two threaded sleeves synchronously move rightwards, the front threaded rod and the rear threaded rod are driven to oppositely rotate, so that the front side moves upwards along the front side of the first sliding groove, the rear side of the folding plate is synchronously unfolded to form a fan shape, and the drilling position of the drill bit is protected conveniently and quickly.
Drawings
FIG. 1 is a first perspective view of the overall structure of the present invention;
FIG. 2 is a second perspective view of the overall structure of the present invention;
FIG. 3 is a third perspective view of the overall structure of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3 at A;
FIG. 5 is a schematic view of the connection relationship of the first slide plate, the folding plate, the first movable ring and the threaded rod;
FIG. 6 is an enlarged view of the structure at B in FIG. 5;
FIG. 7 is a schematic view of the first gear position of the threaded rod and the first stationary plate of the present invention;
FIG. 8 is a schematic view of the position of a first slide plate, a folding plate, a threaded rod and a first slide bar according to the present invention;
FIG. 9 is a schematic view of a first moving ring and a second chute according to the present invention;
fig. 10 is a schematic view of a first retaining ring and a first chute according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
drill bit 1, electric drill body 2, grip 3, shift knob 4, lithium cell 5, first slide 6, folding board 7, first solid fixed ring 8, first spout 9, threaded rod 10, first movable ring 11, second spout 12, threaded sleeve 13, first gear 14, arc fixed plate 15, pull rod 16, first connecting plate 17, first spring 18, first slide bar 19, first baffle 20, second spring 21, arc rack 22, ejector pin 23, stop collar 24, first baffle 25, second slide bar 26, push plate 27, pull plate 28, third spring 29, first baffle 30.
Detailed Description
The technical scheme of the invention is further described and illustrated by the following specific examples so as to make the invention more clear and obvious.
Referring to fig. 1-10, the present embodiment provides a technical solution: the utility model provides a lithium electric drill with protection machanism, including drill bit 1, electric drill body 2, handle 3, shift knob 4 and lithium cell 5, drill bit 1 installs in electric drill body 2 left end, shift knob 4 transversely slides in electric drill body 2 inboard, handle 3 fixed connection is in the below of electric drill body 2, lithium cell 5 is installed in the below of handle 3, electric drill body 2 below is provided with two first slide 6 that arrange around, two first slide 6 are located the right side of drill bit 1, fixedly connected with folding board 7 between two first slide 6, be connected with on the electric drill body 2 lateral wall and be used for driving two first slide 6 and rotate the folding board 7 along electric drill body 2 in opposite directions when shift knob 4 is pressed and be circular shape expansion mechanism, expansion mechanism drives the folding board 7 in step and resets with two first slide 6 drive the reset when shift knob 4 resets.
When the lithium electric drill is required to be used for drilling, a person installs the drill bit 1 on the electric drill body 2, installs the lithium battery 5 at the bottom of the holding handle 3, then, the person uses the holding handle 3 to move the electric drill body 2 and the drill bit 1 to the position required to be drilled, the two first sliding plates 6 and the folding plates 7 are positioned below the electric drill body 2 under the action of the unfolding mechanism, the person conveniently takes the electric drill and puts the electric drill into the packing box, after the drill bit 1 is moved to the position required to be drilled, the person presses the switch button 4 rightwards, when the switch button 4 moves rightwards, the unfolding mechanism is driven to enable the two first sliding plates 6 to move along the outer surface of the electric drill body 2 in opposite directions along the circumference, the folding plates 7 positioned on the inner sides of the two first sliding plates 6 are stretched and unfolded, the front side of the drill bit 1 is blocked, splashes during drilling are prevented from damaging workers, and the person is convenient to observe when the switch button 4 is pressed completely, the two first sliding plates 6 move to the top of the electric drill body 2 and are in contact with each other, so that a complete circular ring is formed, splashes in the drilling process can be blocked circumferentially, when the drilling is completed, a person can firstly loosen the switch button 4, at the moment, the switch button 4 moves leftwards, the unfolding mechanism drives the two first sliding plates 6 and the folding plate 7 to move to the initial position again, the folding plate 7 is folded, when the electric drill is not in operation, the folding plate 7 can be folded, the occupied space of the first sliding plates 6 and the folding plate 7 is reduced, the electric drill body 2 can be placed in the working position or the placing box directly by the person conveniently after the electric drill is used, the habit of using a lithium electric drill by the person is more met, the lithium electric drill is facilitated to work by the person, the operation and the use are facilitated, and after the use is completed, the two first sliding plates 6 can be automatically folded and reduced, the occupation space of the protection mechanism formed by the folding plate 7 is convenient for personnel to store the lithium electric drill, and the folding plate 7 is not easy to damage.
As a further scheme of the invention, the unfolding mechanism comprises a first fixed ring 8, the first fixed ring 8 is fixedly connected to the outer surface of the electric drill body 2, a first sliding groove 9 is formed in the first fixed ring 8, threaded rods 10 are inserted into the right side walls of the two first sliding plates 6, the threaded rods 10 are used for driving the first sliding plates 6 to move, the threaded rods 10 penetrate through the first sliding grooves 9, the front threaded rods 10 and the rear threaded rods 10 rotate oppositely, a first moving ring 11 is arranged on the right side of the first fixed ring 8, the first moving ring 11 is sleeved on the electric drill body 2, an I-shaped second sliding groove 12 is formed in the first moving ring 11, two threaded sleeves 13 are slidably connected to the inner side of the second sliding groove 12, the threaded sleeves 13 are in threaded engagement with the threaded rods 10, the right ends of the two threaded sleeves 13 are connected with limiting mechanisms, the limiting mechanisms are used for keeping the threaded sleeves 13 from rotating when moving along the second sliding groove 12, the first moving ring 11 moves rightwards, the two threaded rods 13 are synchronously moved rightwards, so that the two threaded rods 10 rotate oppositely, the outer surfaces of the two threaded rods 10 are fixedly connected with a first gear 14, the inner side walls of the first gear 9 are respectively, and the outer side walls of the first gear is used for driving the electric drill body to move rightwards when the first gear is meshed with the first gear 4, and the outer side walls of the first gear is meshed with the first gear 4; when in operation, because the two first sliding plates 6 are required to be driven to be outwards unfolded when the switch button 4 moves rightwards, and the structure and the action of the electric drill body 2 cannot be influenced, the electric drill can only be arranged on the outer side of the electric drill body 2, when the switch button 4 is pressed rightwards, the switch button 4 moves rightwards, the first moving ring 11 is driven by the pulling mechanism to move rightwards, the first moving ring 11 drives the threaded sleeve 13 embedded in the second sliding groove 12 to synchronously move rightwards through the I-shaped second sliding groove 12 on the inner side of the first moving ring 11, the threaded sleeve 13 is not rotated to slide only when being acted by the limiting mechanism to move along the second sliding groove 12, when the threaded sleeve 13 moves outwards, the threaded rod 10 is driven to rotate the threaded rod 10 to drive the first gear 14 to rotate, the first gear 14 is meshed with teeth on the inner side of the first sliding groove 9, so that the first sliding plate 6 is synchronously driven by the threaded rod 10 to move upwards along the first sliding groove 9, threads of the two threaded rods 10 are opposite, when the two threaded sleeves 13 synchronously move rightwards, the front threaded rod 10 and the rear threaded rod 10 are driven to rotate oppositely, so that the front side moves upwards along the front side of the first sliding groove 9, the rear side moves upwards along the rear side of the first sliding groove 9, the folding plate 7 is synchronously unfolded, a fan shape is formed rapidly, the drilling position of the drill bit 1 is protected, convenience and quickness are achieved, the mechanical setting driving work of the drill bit 1 body is not influenced, and the same principle is achieved during resetting.
As a further scheme of the invention, the pulling mechanism comprises two arc-shaped fixing plates 15, the two arc-shaped fixing plates 15 are respectively and fixedly connected to the front side wall and the rear side wall of the switch button 4, a pulling rod 16 is fixedly connected between the two arc-shaped fixing plates 15 and the first movable ring 11, two first connecting plates 17 are fixedly connected to the outer surface of the electric drill body 2, the first connecting plates 17 are positioned on the right side of the threaded rod 10, the pulling rod 16 penetrates through the first connecting plates 17 and is in sliding connection with the first connecting plates 17, and first springs 18 positioned between the first movable ring 11 and the first connecting plates 17 are sleeved on the outer surfaces of the two pulling rods 16; when the switch button 4 is pressed, the switch button moves rightwards, the first moving ring 11 is driven to synchronously move rightwards by the pulling rod 16, and when the switch button 4 is released, the first spring 18 acts on the first moving ring 11 to synchronously reset the first moving ring 11, so that the switch button is simple in structure and convenient and quick.
As a further scheme of the invention, the left ends of the two threaded rods 10 are fixedly connected with first slide bars 19, the two first slide bars 19 respectively penetrate through the front and rear first slide plates 6 and are in sliding connection with the front and rear first slide plates 6, the left ends of the two first slide bars 19 are fixedly connected with first baffle plates 20, the outer surfaces of the two first slide bars 19 are respectively sleeved with second springs 21 positioned between the first baffle plates 20 and the first slide plates 6, the outer surfaces of the first fixed rings 8 are fixedly connected with two arc-shaped racks 22 which are arranged front and rear, the right side walls of the two first slide plates 6 are respectively fixedly connected with ejector rods 23, and the arc-shaped racks 22 are used for acting on the ejector rods 23 and the first slide plates 6 to vibrate left and right; during operation, because when the folding plate 7 is unfolded and then the drilling position is protected, part of splashes can stay on the folding plate 7, so that smooth recovery of the folding plate 7 is affected, through moving and resetting to the left side of each time of the first moving ring 11, the two first sliding plates 6 are driven to synchronously fall back and reset, the first sliding plates 6 drive the ejector rods 23 to fall, and after the ejector rods 23 are contacted with the arc-shaped racks 22, the arc-shaped racks 22 are matched with the second springs 21 to enable the first sliding plates 6 to vibrate left and right rapidly in the falling process, so that splashes possibly adhered or staying on the folding plate 7 can vibrate and fall, and good folding of each time of resetting of the folding plate 7 is ensured.
As a further scheme of the invention, the limiting mechanism comprises a limiting sleeve 24, the limiting sleeve 24 is fixedly connected to the outer surface of the threaded sleeve 13, and the inner side surface and the outer side surface of the limiting sleeve 24 are arc-shaped and are attached to the inner side wall of the second sliding groove 12; during operation, because the spontaneous rotation of the thread bush 13 needs to be avoided, when the thread bush 13 moves to the right side, the threaded rod 10 is driven to rotate stably, the arc-shaped joint is formed between the inner side wall and the outer side wall of the limiting sleeve 24 and the inner side wall of the second sliding groove 12 through the limiting sleeve 24 fixedly connected to the outer surface of the thread bush 13, and the joint is formed between the surfaces, so that the limiting sleeve 24 and the thread bush 13 can only slide along the second sliding groove 12 and cannot rotate spontaneously, and the purpose of rotating the threaded rod 10 is guaranteed well.
As a further scheme of the invention, the bottom of the electric drill body 2 is fixedly connected with a first baffle plate 25, the first baffle plate 25 is positioned at the left side of a first sliding plate 6, two second sliding rods 26 which are in sliding connection with the first baffle plate 25 penetrate through the first baffle plate 25, the inner ends of the two second sliding rods 26 are fixedly connected with a pushing plate 27 together, the pushing plate 27 is used for pushing the folding plate 7 to shake, the left ends of the two second sliding rods 26 are fixedly connected with a pulling plate 28 together, and third springs 29 which are fixedly connected between the pulling plate 28 and the first baffle plate 25 are sleeved on the outer surfaces of the two second sliding rods 26; during operation, because after folding plate 7 is folded, the splash possibly remains on folding plate 7, through when using at every turn, make pulling plate 28 remove a distance to the left side earlier, then release pulling plate 28, pulling plate 28 drives through second slide bar 26 and makes a round trip vibrations about pushing plate 27 under the effect of third spring 29, make folding plate 7 rock, get rid of remaining impurity on the folding plate 7, be favorable to folding and the expansion of folding plate 7.
As a further scheme of the invention, a first baffle ring 30 is fixedly connected to the outer surface of the electric drill body 2, and the first baffle ring 30 is positioned at the left side of the first fixed ring 8 and used for blocking splashes from entering the first chute 9; during operation, as the drill bit 1 may be drilling when the folding plate 7 is unfolded, and the folding plate 7 is not fully unfolded, part of splashes may enter the first sliding groove 9, so that the first gear 14 is influenced to be meshed with teeth on the inner side of the first sliding groove 9, the first sliding groove 9 is blocked by the first baffle ring 30 fixedly connected to the outer surface of the electric drill body 2, the splashes are prevented from entering the first sliding groove 9, and the first sliding plate 6 and the folding plate 7 are protected by unfolding.
As a further aspect of the present invention, the folding plate 7 is a transparent plate; during operation, because form the ring after folding board 7 expands when drilling, and personnel need in time observe the drilling position of drill bit 1, through setting up folding board 7 to the transparent plate to make when drilling, folding board 7 expands the back personnel and still can be convenient observe drilling position, and avoid splash to harm personnel's eye.
The present invention is not limited to the specific embodiments described herein, but is capable of numerous modifications, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Thus, while the invention has been described in detail in terms of the above embodiments, the invention is not limited to the above embodiments, but may include many other equivalent embodiments without departing from the spirit of the invention.
Claims (7)
1. The utility model provides a lithium electric drill with protection machanism, includes drill bit (1), electric drill body (2), handle (3), shift knob (4) and lithium cell (5), its characterized in that: the electric drill comprises an electric drill body (2), a drill bit (1) and a switch button (4), wherein the switch button (4) transversely slides on the left end of the electric drill body (2), a grip (3) is fixedly connected to the lower side of the electric drill body (2), a lithium battery (5) is arranged below the grip (3), two first sliding plates (6) which are arranged front and back are arranged below the electric drill body (2), the two first sliding plates (6) are positioned on the right side of the drill bit (1), a folding plate (7) is fixedly connected between the two first sliding plates (6), and a unfolding mechanism which is used for driving the two first sliding plates (6) to oppositely rotate along the electric drill body (2) to unfold the folding plate (7) into a circular shape is connected to the side wall of the electric drill body (2), and can synchronously drive the two first sliding plates (6) to reset when the switch button (4) resets;
the unfolding mechanism comprises a first fixing ring (8), the first fixing ring (8) is fixedly connected to the outer surface of the electric drill body (2), a first sliding groove (9) is formed in the first fixing ring (8), two threaded rods (10) are inserted into the right side wall of the first sliding plate (6), the threaded rods (10) are used for driving the first sliding plate (6) to move, the threaded rods (10) penetrate through the first sliding groove (9), the front threaded rod (10) and the rear threaded rod (10) rotate oppositely, a first moving ring (11) is arranged on the right side of the first fixing ring (8), the first moving ring (11) is sleeved on the electric drill body (2), an I-shaped second sliding groove (12) is formed in the first moving ring (11), two threaded sleeves (13) are connected to the inner side in a sliding mode, the threaded sleeves (13) are meshed with the threaded rods (10) in a threaded mode, limiting mechanism is connected to the right ends of the threaded sleeves (13) and used for keeping the threaded sleeves (13) to move towards the right side of the first sliding groove (12) in a synchronous mode when the two threaded sleeves (10) are not connected with the first sliding groove (10) in a rotating mode, the electric drill is characterized in that tooth surfaces are arranged on the outer side wall of the inner portion of the first sliding groove (9) and are used for being meshed with a first gear (14), and a pulling mechanism used for driving the first moving ring (11) to move rightwards when the switch button (4) is pressed is connected to the outer surface of the electric drill body (2).
2. A lithium electric drill provided with a protection mechanism according to claim 1, characterized in that: the electric drill comprises an electric drill body (2), and is characterized in that the pulling mechanism comprises two arc-shaped fixing plates (15), the two arc-shaped fixing plates (15) are respectively and fixedly connected to the front side wall and the rear side wall of a switch button (4), a pulling rod (16) is fixedly connected between the arc-shaped fixing plates (15) and a first moving ring (11), two first connecting plates (17) are fixedly connected to the outer surface of the electric drill body (2), the first connecting plates (17) are located on the right side of a threaded rod (10), the pulling rod (16) penetrates through the first connecting plates (17) and is in sliding connection with the first connecting plates, and first springs (18) located between the first moving ring (11) and the first connecting plates (17) are respectively sleeved on the outer surfaces of the pulling rods (16).
3. A lithium electric drill provided with a protection mechanism according to claim 2, characterized in that: the novel sliding rod structure comprises a threaded rod (10), a first sliding rod (19) and a first supporting plate, wherein the left ends of the threaded rod are fixedly connected with the first sliding rod (19), the first sliding rod (19) respectively penetrates through the front and rear two first sliding plates (6) and is in sliding connection with the first sliding plate, the left ends of the first sliding rod (19) are fixedly connected with a first baffle disc (20), the outer surfaces of the first sliding rod (19) are respectively sleeved with a second spring (21) located between the first baffle disc (20) and the first sliding plates (6), the outer surfaces of the first fixing rings (8) are fixedly connected with arc racks (22) which are arranged front and rear, the right side walls of the first sliding plates (6) are fixedly connected with ejector rods (23), and the arc racks (22) are used for acting on the ejector rods (23) and the first sliding plates (6) to vibrate left and right.
4. A lithium electric drill provided with a protection mechanism according to claim 1, characterized in that: the limiting mechanism comprises a limiting sleeve (24), the limiting sleeve (24) is fixedly connected to the outer surface of the threaded sleeve (13), and the inner side surface and the outer side surface of the limiting sleeve (24) are arc-shaped and are attached to the inner side wall of the second sliding groove (12).
5. A lithium electric drill provided with a protection mechanism according to claim 1, characterized in that: the electric drill is characterized in that a first baffle (25) is fixedly connected to the bottom of the electric drill body (2), the first baffle (25) is located on the left side of a first sliding plate (6), two second sliding rods (26) which are connected with the first baffle in a sliding mode penetrate through the first baffle (25), pushing plates (27) are fixedly connected to the inner ends of the second sliding rods (26) together, the pushing plates (27) are used for pushing the folding plates (7) to shake, pulling plates (28) are fixedly connected to the left ends of the second sliding rods (26) together, and third springs (29) fixedly connected between the pulling plates (28) and the first baffle (25) are sleeved on the outer surfaces of the second sliding rods (26).
6. A lithium electric drill provided with a protection mechanism according to claim 1, characterized in that: the electric drill is characterized in that a first baffle ring (30) is fixedly connected to the outer surface of the electric drill body (2), and the first baffle ring (30) is positioned on the left side of the first fixed ring (8) and used for blocking splashes from entering the first sliding groove (9).
7. A lithium electric drill provided with a protection mechanism according to claim 1, characterized in that: the folding plate (7) is a transparent plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210650495.7A CN115041729B (en) | 2022-06-09 | 2022-06-09 | Lithium electric drill with protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210650495.7A CN115041729B (en) | 2022-06-09 | 2022-06-09 | Lithium electric drill with protection mechanism |
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| CN115041729A CN115041729A (en) | 2022-09-13 |
| CN115041729B true CN115041729B (en) | 2024-02-09 |
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| CN115041729A (en) | 2022-09-13 |
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