CN114193382B

CN114193382B - Electric tool with dustproof shell

Info

Publication number: CN114193382B
Application number: CN202111591733.3A
Authority: CN
Inventors: 黄达平
Original assignee: Lida Jiangxi Electromechanical Co ltd
Current assignee: Lida Jiangxi Electromechanical Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2023-06-30
Anticipated expiration: 2041-12-23
Also published as: CN114193382A

Abstract

The invention discloses an electric tool with a dustproof shell, which comprises a base shell, wherein the middle part of one side of the top end of the base shell is fixedly connected with a handle, the top end of the handle is fixedly connected with a protective shell cylinder, one side of the protective shell cylinder is fixedly connected with a trapezoid protection cylinder, one side of the trapezoid protection cylinder is fixedly connected with a positioning fixing block, the middle part of one side of the positioning fixing block is rotatably connected with a screw cutter bar, and the bottom end of one side of the positioning fixing block is provided with a screw storage pushing mechanism. The beneficial effects of the invention are as follows: when the screw is convenient to install, the screw is pushed to the screw knife edge, compared with the screw clamped on the screw driver manually, the screw driver is time-saving and labor-saving, the screw installing efficiency is improved, parts inside the tool are convenient to radiate when a maintainer uses the tool, the worker is blown and cooled, and dangerous accidents caused by blocking eyes of the maintainer due to hot sweat are prevented when the worker uses the tool in summer.

Description

Electric tool with dustproof shell

Technical Field

The invention belongs to the technical field of electric screwdrivers, and particularly relates to an electric tool with a dustproof shell.

Background

The electric screwdriver is an electric tool for screwing and unscrewing screws, is provided with a mechanism for adjusting and limiting torque, is mainly used for assembly lines, and is one of the necessary tools for most production enterprises.

The existing electric screw driver is mainly characterized in that when the electric screw driver is used, a maintenance person picks up a screw to be installed manually and then clamps the screw driver, the screw driver is installed at a position to be installed through the electric screw driver, time and labor are wasted in installation, the existing electric screw driver is internally provided with a heat dissipation mechanism in the installation process, but the effect of outward blowing does not exist, the working maintenance person cannot be blown and cooled, particularly when the weather is hot, the working person is required to sweat easily when the electric screw driver is installed at a high-altitude position, if the sweat flows into eyes of the working person, the working person is easy to shake due to the fact that vision is blocked, the body of the working person falls down from an installation auxiliary ladder, and the use safety is poor.

Disclosure of Invention

The present invention is directed to an electric tool with a dust-proof housing, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the electric tool with the dustproof shell comprises a base shell body, wherein a handle is fixedly connected to the middle part of one side of the top end of the base shell body, a protective shell barrel is fixedly connected to the top end of the handle, a trapezoid protection barrel is fixedly connected to one side of the protective shell barrel, a positioning fixing block is fixedly connected to one side of the trapezoid protection barrel, a screw mounting cutter bar is rotatably connected to the middle part of one side of the positioning fixing block, a screw storage pushing mechanism is arranged at the bottom end of one side of the positioning fixing block, and a heat dissipation mechanism is arranged on the inner side of the base shell body;

wherein the screw storage pushing mechanism comprises a first contraction folding plate, two ends of the top end of the first contraction folding plate are fixedly connected with positioning track bars, one side of the top end of the first contraction folding plate is fixedly connected with a limit baffle, one end of one side of the limit baffle is fixedly connected with a side column plate, one side of the side column plate is provided with a lantern ring, the inner side of the limit baffle is slidably connected with a contraction adjusting rod, one end of the contraction adjusting rod is fixedly connected with a first adjusting clamping plate, one side of one end of the side column plate is telescopically folded with a third adjusting clamping plate, the middle part of one side of the top end of the first contraction folding plate is clamped with a pushing bottom plate, one side of the pushing bottom plate is fixedly connected with a limit slide block, one end of the limit slide block is fixedly connected with a sliding push rod, one end of the outer side of the sliding push rod is slidably connected with an upper sliding groove, the opposite side of side post board one end is equipped with the second and adjusts the splint, the both sides fixedly connected with location clamp board of second regulation splint one end, the middle part roll-connected with auxiliary pulley of location clamp board one side, the middle part fixedly connected with of the second regulation splint other end is adjusted the locating plate, the inboard one side fixedly connected with fixed tooth piece of locating plate, one side meshing of fixed tooth piece is connected with adjusting gear, the middle part fixedly connected with bull stick on adjusting gear top, the top fixedly connected with rotary knob of bull stick, the top of location track strip piece is equipped with the second shrink folded sheet, the both ends fixedly connected with spacing chamber groove on second shrink folded sheet top, the inboard middle part in spacing chamber groove is equipped with spacing slide bar, the outside of spacing slide bar is equipped with auxiliary spring.

Preferably, the heat dissipation mechanism comprises a control power box, a first trapezoidal gear is arranged in the middle of one side of the control power box, a second trapezoidal gear is connected with the top end of the first trapezoidal gear in a meshed mode, a connecting rod is fixedly connected to the middle of the top end of the second trapezoidal gear, a positioning support plate is fixedly connected to the bottom end of one side of the inner side of the handle, a positioning disc is arranged on the top end of the positioning support plate, the inner side of the positioning disc is fixedly connected with the outer side of the connecting rod, a third trapezoidal gear is fixedly connected to the top end of the connecting rod, a fourth trapezoidal gear is connected to one side of the top end of the third trapezoidal gear in a meshed mode, a fixing rod is connected to one side of the fourth trapezoidal gear in a meshed mode, a heat dissipation fan is fixedly connected to the other side of the fourth trapezoidal gear in a meshed mode, a drainage plate is arranged on one side of the heat dissipation fan, and two ends of the drainage plate are fixedly connected with cavity walls of two ends of the inner side of the protective shell.

Preferably, the number of the rotating buttons is three, the number of the adjusting gears is multiple, the number of the adjusting positioning plates is multiple, and the number of the fixed tooth blocks is multiple.

Preferably, the number of the adjusting gears is matched with the number of the adjusting and positioning plates and the number of the fixed tooth blocks, and a shrinkage cavity is arranged on the outer side of one end of each adjusting and positioning plate.

Preferably, the number of the second adjusting clamping plates is one, the number of the positioning clamping plates is two, the number of the auxiliary pulleys is multiple, and a magnetic plate is fixedly connected to the side wall of one side of the second adjusting clamping plates.

Preferably, the outside of propelling movement bottom plate bottom is equipped with the draw-in groove, the quantity of spacing slider is by three, the outside of spacing slider is equipped with spacing sliding tray.

Preferably, the outside of sliding push rod is equipped with laborsaving removal wheel, the size in sliding push rod outside and the inside size phase-match of last spout.

Preferably, the number of the limiting sliding rods is one, the number of the auxiliary springs is one, the number of the limiting cavity grooves is one, and the number of the positioning track bars is one.

Compared with the prior art, the invention has the beneficial effects that: when the screw is convenient to install, the screw is pushed to the screw knife edge, compared with the screw clamped on the screw driver manually, the screw driver is time-saving and labor-saving, the screw installing efficiency is improved, parts inside the tool are convenient to radiate when a maintainer uses the tool, the worker is blown and cooled, and dangerous accidents caused by blocking eyes of the maintainer due to hot sweat are prevented when the worker uses the tool in summer.

1. According to the designed screw storage pushing mechanism, when in use, according to the size of a screw to be installed, the rotating buttons are respectively rotated to drive the adjusting gears to anticlockwise or clockwise through the rotating rods to drive the adjusting gears to slide leftwards or rightwards through the fixed tooth blocks meshed with the adjusting gears so as to drive the second adjusting clamping plates and the third adjusting clamping plates, so that the surface of one end of each second adjusting clamping plate is clamped on the surface of the outer side of a screw cap of the screw, auxiliary pulleys arranged on the positioning clamping plates fixedly connected with two sides of each second adjusting clamping plate are clamped on two sides of a screw nut, the surface of one end of each third adjusting clamping plate is clamped on the surface of the outer side of the screw, the contraction adjusting rods are driven to drive the first adjusting clamping plates to move inwards to be clamped on the surface of the outer side of the screw, after the adjustment, the rest screws are clamped on the adjusting plates and the pushing bottom plate are driven to slide upwards through the limiting blocks fixedly connected with the sliding pushing bottom plate, the screw on the top end is firmly pushed on one side of the mounting screw under the action of the upper sliding groove, the inner side of the screw is clamped on the side of the screw cap, the inner side of the screw is clamped on the side of the screw is fixedly arranged on the side of the screw through the side of the handle, and the side of the screw is fixed by the side of the screw is arranged in parallel to the side of the handle, and the side of the screw is fixed to the side of the screw is fixed by the upper clamping plate, the first shrink folding plate and the second shrink folding plate are respectively and firmly shrunk into the storage cavity fixedly connected with the bottom end of the positioning fixing block and the inner bottom end of the positioning fixing block through the positioning track bar block and the limiting sliding rod, the switch of the device is opened, the device drives the screw mounting cutter bar to rotate, and accordingly the clamp is driven to rotate on the screw mounting cutter bar side to be mounted at the position to be mounted, the screw driver is convenient to push the screw to the screw driver edge when the screw is mounted, and compared with the screw driver which is manually clamped onto the screw driver, time and labor are saved, and the efficiency of screw mounting is improved.

2. Through the radiating mechanism of design, when using, open radiating switch, thereby drive first trapezoidal gear rotation by the motor of control power supply case inboard and drive the rotatory second trapezoidal gear of meshing connection, under the restriction of location backup pad and positioning disk, drive the firm rotation of connecting rod, thereby drive the rotatory fourth trapezoidal gear of meshing connection through the third trapezoidal gear of rotatory connecting rod top fixed connection, thereby drive the radiator fan and take the cool fan rotatory through connecting the dead lever, the wind-force that the radiator fan blows off flows in the trapezoidal protection section of thick bamboo to the part of trapezoidal protection section of thick bamboo inboard along the drainage board, radiating hot-blast flows through the louvre that trapezoidal protection section of thick bamboo bottom was equipped with, the cool fan blows off and blows on the face of maintainer or on one's body through protective housing one side fixed connection's through the through-hole and blow and spill and cool the heat drive to maintainer, the part that is convenient for dispel the heat to the inside the tool when maintainer uses the instrument, be favorable to prevent that the staff from using the instrument in summer from because the sweat shelter from the eye of maintainer from causing dangerous accident.

Drawings

FIG. 1 is a schematic diagram of the overall perspective view of the present invention;

FIG. 2 is a schematic view showing a disassembled perspective view of the screw receiving and pushing mechanism of the present invention;

FIG. 3 is a schematic view of the enlarged view of the portion A of the present invention;

FIG. 4 is a schematic structural view of a connection between a sliding push rod and a pushing bottom plate according to the present invention;

fig. 5 is a schematic structural view of a cross-sectional view of the connection of the base housing and the protective shell.

In the figure: 1. a base housing; 2. a handle; 3. a protective shell; 4. a trapezoid protection cylinder; 5. positioning a fixed block; 6. installing a screwdriver rod; 7. a screw receiving and pushing mechanism; 71. a first shrink-folding plate; 72. positioning a track bar; 73. a side pillar plate; 74. a limit baffle; 75. a collar; 76. pushing the bottom plate; 77. an upper chute; 78. sliding the push rod; 79. a second shrink-wrap sheet; 710. a limiting cavity groove; 711. a limit slide bar; 712. an auxiliary spring; 713. retracting the adjusting rod; 714. a first adjustment clamp plate; 715. a rotation knob; 716. a second adjusting clamp plate; 717. positioning a clamp plate; 718. an auxiliary pulley; 719. a rotating rod; 720. an adjusting gear; 721. adjusting the positioning plate; 722. fixing the tooth block; 723. a third adjustment clamp plate; 724. a limit sliding block; 8. a heat dissipation mechanism; 81. controlling a power supply box; 82. a first trapezoidal gear; 83. a second trapezoidal gear; 84. a connecting rod; 85. positioning a supporting plate; 86. a positioning plate; 87. a third trapezoidal gear; 88. a fourth trapezoidal gear; 89. connecting a fixed rod; 810. a heat dissipation fan; 811. cooling fan; 812. and a drainage plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an electric tool with dustproof shell, including base casing 1, the middle part fixedly connected with handle 2 of base casing 1 top one side, the top fixedly connected with protective housing section of thick bamboo 3 of handle 2, one side fixedly connected with trapezoidal protection section of thick bamboo 4 of protective housing section of thick bamboo 3, one side fixedly connected with location fixed block 5 of trapezoidal protection section of thick bamboo 4, the middle part swivelling joint of location fixed block 5 one side has installation screw cutter arbor 6, the bottom of location fixed block 5 one side is equipped with screw and accomodates pushing mechanism 7, the inboard of base casing 1 is equipped with cooling body 8;

wherein, the screw storage pushing mechanism 7 comprises a first contraction folding plate 71, two ends of the top end of the first contraction folding plate 71 are fixedly connected with a positioning track bar 72, one side of the top end of the first contraction folding plate 71 is fixedly connected with a limit baffle 74, one end of one side of the limit baffle 74 is fixedly connected with a side column plate 73, one side of the side column plate 73 is provided with a lantern ring 75, the inner side of the limit baffle 74 is slidingly connected with a contraction adjusting rod 713, one end of the contraction adjusting rod 713 is fixedly connected with a first adjusting clamping plate 714, one side of one end of the side column plate 73 is telescopically folded with a third adjusting clamping plate 723, the middle part of one side of the top end of the first contraction folding plate 71 is clamped with a pushing bottom plate 76, one side of the pushing bottom plate 76 is fixedly connected with a limit slide block 724, one end of the limit block 724 is fixedly connected with a sliding push rod 78, one end of the outer side of the sliding push rod 78 is slidingly connected with an upper sliding groove 77, the opposite side of side column plate 73 one end is equipped with second regulation splint 716, the both sides fixedly connected with location clamp plate 717 of second regulation splint 716 one end, the middle part roll-connect of location clamp plate 717 one side has auxiliary pulley 718, the middle part fixedly connected with of second regulation splint 716 other end adjusts locating plate 721, one side of adjusting locating plate 721 inboard fixedly connected with fixed tooth piece 722, one side meshing of fixed tooth piece 722 is connected with adjusting gear 720, the middle part fixedly connected with bull stick 719 at adjusting gear 720 top, the top fixedly connected with rotary knob 715 of bull stick 719, the top of location track piece 72 is equipped with second shrink folded plate 79, the both ends fixedly connected with spacing chamber groove 710 at second shrink folded plate 79 top, the middle part of spacing chamber groove 710 inboard is equipped with spacing slide bar 711, the outside of spacing slide bar 711 is equipped with auxiliary spring 712.

In this embodiment, when the pushing mechanism 7 is used by the designed screw, according to the size of the screw to be installed, the rotating buttons 715 are rotated respectively to drive the adjusting gears 720 to rotate anticlockwise or clockwise through the rotating rods 719, the adjusting locating plate 721 is pushed to slide leftwards or rightwards through the fixed tooth blocks 722 meshed with the adjusting gears 720 so as to push the second adjusting locating plate 716 and the third adjusting plate 723, so that the surface of one end of the second adjusting plate 716 is clamped on the surface of the outer side of the screw cap, the auxiliary pulleys 718 arranged on the locating clamp plates 717 fixedly connected with two sides of the second adjusting plate 716 are clamped on two sides of the screw cap, the surface of one end of the third adjusting plate 723 is clamped on the surface of the outer side of the screw, the shrinkage adjusting rod 713 is driven in the same way to push the first adjusting plate 714 to move inwards and be clamped on the surface of the outer side of the screw, after the adjustment, the rest screws are clamped into the screw placing cavity groove formed by the clamping plate and the pushing bottom plate 76, when the screw pushing device is used, the upward sliding push rod 78 drives the pushing bottom plate 76 to move upwards through the limit slide block 724 fixedly connected with the sliding push rod 78, the screws at the top end are stably pushed to one side of the screw cutter bar 6 under the action of the upward sliding groove 77, as the nuts of the screws move upwards along the surface of the inner side of the second adjusting clamping plate 716, the top end which moves upwards to the inner side of the second adjusting clamping plate 716 is kept in a state that the nuts are parallel by the magnetic plate fixedly connected with the side wall of the inner side of the second adjusting clamping plate 716, then the surface at one side of the limit baffle 74 is clamped onto the wall plate at the position to be installed, the whole of the pushing device of the handle 2 is driven to clamp the screw cutter bar 6 into the groove of the screw and nut when the pushing device is pushed, the first shrink folding plate 71 and the second shrink folding plate 79 are respectively and firmly shrunk into the storage cavity fixedly connected with the bottom end of the positioning fixing block 5 and the inner bottom end of the positioning fixing block 5 through the positioning track bar 72 and the limiting slide bar 711, and the switch of the device is opened, so that the device drives the installation screw cutter bar 6 to rotate, and the clamp is driven to rotate on the side of the installation screw cutter bar 6 to be installed at the position to be installed, so that the screw driver is convenient to push the screw to the screw driver edge when the screw is installed, and compared with the screw driver which is manually clamped on a screw driver, the efficiency of installing the screw is improved.

Specifically, the heat dissipation mechanism 8 includes control power box 81, control power box 81 one side's middle part is equipped with first trapezoidal gear 82, the top meshing of first trapezoidal gear 82 is connected with second trapezoidal gear 83, the middle part fixedly connected with connecting rod 84 on second trapezoidal gear 83 top, the bottom fixedly connected with location backup pad 85 of handle 2 inboard one side, the top of location backup pad 85 is equipped with positioning disk 86, the inboard of positioning disk 86 and the outside fixed connection of connecting rod 84, the top fixedly connected with third trapezoidal gear 87 of connecting rod 84, one side meshing on third trapezoidal gear 87 top is connected with fourth trapezoidal gear 88, one side fixedly connected with connection dead lever 89 of fourth trapezoidal gear 88, one side fixedly connected with radiator fan 810 of connecting dead lever 89, the opposite side fixedly connected with of fourth trapezoidal gear 88 is ridden by the fan 811, one side of radiator fan 810 is equipped with drainage plate 812, the both ends of drainage plate 812 and the chamber wall fixed connection at the inboard both ends of protective housing section of thick bamboo 3.

In this embodiment, through the radiating mechanism 8 of design, during the use, open radiating switch, thereby drive first trapezoidal gear 82 rotation by the motor of control power supply box 81 inboard and drive the rotatory second trapezoidal gear 83 of meshing connection, under the restriction of location backup pad 85 and positioning disk 86, drive the firm rotation of connecting rod 84, thereby drive the rotatory fourth trapezoidal gear 88 of meshing connection through the third trapezoidal gear 87 of the fixed connection in connecting rod 84 top of rotation, thereby drive radiator fan 810 and cooling fan 811 rotation through connecting dead lever 89, the wind-force that radiator fan 810 blows out flows along drainage plate 812 in to trapezoidal protection tube 4 to dispel the heat to the part of trapezoidal protection tube 4 inboard, the radiating hot-blast is through the louvre that trapezoidal protection tube 4 bottom was equipped with flows out, cool fan 811 blows out and blows to the maintenance workman's face or on one's body through the through-hole of protective housing tube 3 one side fixed connection, the part that is convenient for use the instrument to the instrument inside carries out the heat dissipation and cool down to the staff of taking place, be favorable to prevent that the staff from using the dangerous accident that the eye that the instrument is because of the heat is hard to take place when the instrument is sheltered in summer.

Specifically, the number of the rotation buttons 715 is three, the number of the adjusting gears 720 is multiple, the number of the adjusting positioning plates 721 is multiple, the number of the fixed tooth blocks 722 is multiple, the number of the adjusting gears 720 is matched with the number of the adjusting positioning plates 721 and the fixed tooth blocks 722, and a shrinkage cavity is arranged on the outer side of one end of each adjusting positioning plate 721.

In this embodiment, through the adjusting gear 720, the adjusting locating plate 721 and the fixed tooth block 722 of design, during the use, rotatory knob 715 drives adjusting gear 720 anticlockwise or clockwise rotation through bull stick 719 and promotes the adjusting locating plate 721 and slide left or right through the fixed tooth block 722 that is connected with adjusting gear 720, thereby promote second adjusting splint 716, make the surface card of second adjusting splint 716 one end to the surface outside the screw nut, the auxiliary pulley 718 card that is equipped with on the locating clamp plate 717 of second adjusting splint 716 both sides fixed connection is on the both sides of screw nut, the position of second adjusting splint 716 of being convenient for has been played, the nut to the screw of equidimension screw is convenient for carry out the clamp, the nut to the screw is convenient for accomodate.

Specifically, the second adjusting clamping plates 716 have one set, the positioning clamping plates 717 have two sets, the auxiliary pulleys 718 have multiple sets, and a magnetic plate is fixedly connected to a side wall of one side of the second adjusting clamping plates 716.

In this embodiment, played and be convenient for when adjusting the propelling movement screw, kept the parallel state of screw, be favorable to preventing that the position that the screw cap removed from taking place the skew card on can not arrive the screwdriver, during the propelling movement, comparatively labour saving and time saving.

Specifically, the outside of propelling movement bottom plate 76 bottom is equipped with the draw-in groove, and the quantity of spacing slider 724 is equipped with spacing sliding tray by three in the outside of spacing slider 724, and the outside of sliding push rod 78 is equipped with laborsaving removal wheel, and the size in the outside of sliding push rod 78 matches with the size in the inboard of last spout 77.

In this embodiment, the pushing base plate 76 is moved conveniently, which is advantageous to prevent the position of the pushing base plate 76 moving up and down from shifting or shaking, and to improve the moving stability of the pushing base plate 76.

Specifically, the number of the limit sliding bars 711 is one, the number of the auxiliary springs 712 is one, the number of the limit cavities 710 is one, and the number of the positioning rail blocks 72 is one.

In the present embodiment, it is advantageous to improve the stability of the shrink sliding of the first shrink fold plate 71 and the second shrink fold plate 79, and to prevent the rails of the shrink sliding of the first shrink fold plate 71 and the second shrink fold plate 79 from being shifted or wobbled.

Working principle: in use, according to the size of the screw to be mounted, the rotary knob 715 is rotated to drive the adjusting gear 720 to rotate anticlockwise or clockwise through the rotary rod 719, the fixed tooth block 722 meshed with the adjusting gear 720 pushes the adjusting locating plate 721 to slide leftwards or rightwards so as to push the second adjusting clamping plate 716 and the third adjusting clamping plate 723, so that the surface of one end of the second adjusting clamping plate 716 is clamped on the surface of the outer side of the screw cap, auxiliary pulleys 718 arranged on two sides of the locating clamp plate 717 fixedly connected with two sides of the second adjusting clamping plate 716 are clamped on two sides of the screw nut, the surface of one end of the third adjusting clamping plate 723 is clamped on the surface of the outer side of the screw, the shrinkage adjusting rod 713 is driven to push the first adjusting clamping plate 714 to move inwards to be clamped on the surface of the outer side of the screw, after the adjustment, after the rest screws are clamped on the adjustment, the clamping plate and the pushing bottom plate 76 are formed by the screw placing cavity groove, when the upper sliding push rod 78 drives the bottom plate 76 to move upwards through the limit slide block 724 fixedly connected with the sliding rod 78, the top end of the screw is pushed on one side of the screw cap 6 under the action of the upper sliding rod 77, the auxiliary pulleys 718 are clamped on two sides of the side of the screw cap 6, the top end of the screw is firmly pushed on one side of the screw cap 6 is pushed by the side of the handle 6, and the side of the screw is pushed down, the position of the upper clamping plate is kept in parallel to the position of the handle 6 is pushed by the clamping plate 6, and the position of the upper clamping plate is moved, and the position is moved, the first shrink folding plate 71 and the second shrink folding plate 79 are respectively and firmly shrunk into a storage cavity fixedly connected with the bottom end of the positioning fixing block 5 and the bottom end of the inner side of the positioning fixing block 5 through the positioning track bar 72 and the limiting slide bar 711, a switch of the device is opened, the device drives the installation screw cutter bar 6 to rotate so as to drive a clamp to be rotationally installed at a position to be installed on one side of the installation screw cutter bar 6, when heat is dissipated, the heat dissipation switch is opened, a motor controlling the inner side of the power supply box 81 drives the first trapezoidal gear 82 to rotate so as to drive the meshed second trapezoidal gear 83 to rotate, the connecting rod 84 is driven to firmly rotate under the limitation of the positioning support plate 85 and the positioning disc 86, thereby driving the meshed fourth trapezoidal gear 88 to rotate through the rotating third trapezoidal gear 87 fixedly connected with the top end of the connecting rod 84, and driving the heat dissipation fan 810 and the cooling fan 811 to rotate through the connecting fixing rod 89, and the wind blown out of the heat dissipation fan 810 flows into the part on the inner side of the trapezoidal protection drum 4 along the drainage plate 812, and the heat dissipation protection drum 4 flows out through the heat dissipation protection shell hole arranged at the bottom end of the trapezoidal protection drum 4, and the cooling protection drum 3 is blown out to the cooling protection drum 3 through the cooling protection drum 3.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electric tool with a dust-proof housing, comprising a base housing (1), characterized in that: the novel multifunctional electric power tool comprises a base shell, and is characterized in that a handle (2) is fixedly connected to the middle of one side of the top end of the base shell (1), a protective shell barrel (3) is fixedly connected to the top end of the handle (2), a trapezoid protective barrel (4) is fixedly connected to one side of the protective shell barrel (3), a positioning fixing block (5) is fixedly connected to one side of the trapezoid protective barrel (4), a screw cutter bar (6) is rotatably connected to the middle of one side of the positioning fixing block (5), a screw storage pushing mechanism (7) is arranged at the bottom end of one side of the positioning fixing block (5), and a heat dissipation mechanism (8) is arranged on the inner side of the base shell (1);

wherein the screw storage pushing mechanism (7) comprises a first shrinkage folding plate (71), two ends of the top end of the first shrinkage folding plate (71) are fixedly connected with a positioning track bar block (72), one side of the top end of the first shrinkage folding plate (71) is fixedly connected with a limit baffle (74), one end of one side of the limit baffle (74) is fixedly connected with a side column plate (73), one side of the side column plate (73) is provided with a collar (75), the inner side of the limit baffle (74) is slidably connected with a shrinkage adjusting rod (713), one end of the shrinkage adjusting rod (713) is fixedly connected with a first adjusting clamp plate (714), one side of one end of the side column plate (73) is telescopically folded with a third adjusting clamp plate (723), one side of the first shrinkage folding plate (71) is clamped with a pushing bottom plate (76), one side of the pushing bottom plate (76) is fixedly connected with a limit slide block (724), one end of the limit slide block (724) is fixedly connected with a sliding block (78), one end of the sliding block (78) is slidably connected with an upper sliding groove (77), one side of the other side of the sliding block (78) is fixedly connected with a second adjusting clamp plate (716), one side of the other side of the first adjusting clamp plate (716) is fixedly connected with one side of the second adjusting clamp plate (718), the middle part fixedly connected with of second regulation splint (716) other end adjusts locating plate (721), one side fixedly connected with fixed tooth piece (722) of the inboard of regulation locating plate (721), one side meshing of fixed tooth piece (722) is connected with adjusting gear (720), the middle part fixedly connected with bull stick (719) on adjusting gear (720) top, the top fixedly connected with rotary knob (715) of bull stick (719), the top of location track strip piece (72) is equipped with second shrink folded sheet (79), the both ends fixedly connected with spacing chamber groove (710) on second shrink folded sheet (79) top, the inboard middle part of spacing chamber groove (710) is equipped with spacing slide bar (711), the outside of spacing slide bar (711) is equipped with auxiliary spring (712).

2. A power tool having a dust cover as set forth in claim 1, wherein: the utility model provides a heat dissipation mechanism (8) is including control power supply box (81), the middle part of control power supply box (81) one side is equipped with first trapezoidal gear (82), the top meshing of first trapezoidal gear (82) is connected with second trapezoidal gear (83), the middle part fixedly connected with connecting rod (84) on second trapezoidal gear (83) top, the bottom fixedly connected with location backup pad (85) on the inboard one side of handle (2), the top of location backup pad (85) is equipped with positioning disk (86), the inboard of positioning disk (86) and the outside fixed connection of connecting rod (84), the top fixedly connected with third trapezoidal gear (87) of connecting rod (84), one side meshing on third trapezoidal gear (87) top is connected with fourth trapezoidal gear (88), one side fixedly connected with connecting rod (89) on fourth trapezoidal gear (88), one side fixedly connected with cooling fan (810) on connecting rod (89), the opposite side fixedly connected with of fourth trapezoidal gear (88) is ridden by a cold (811), one side of cooling fan (810) is equipped with drainage plate (812) and the both ends of a drainage tube (812) and the inside wall of a protection case (812).

3. A power tool having a dust cover as set forth in claim 1, wherein: the number of the rotating buttons (715) is three, the number of the adjusting gears (720) is multiple, the number of the adjusting positioning plates (721) is multiple, and the number of the fixed tooth blocks (722) is multiple.

4. A power tool having a dust cap according to claim 3, wherein: the number of the adjusting gears (720) is matched with the number of the adjusting and positioning plates (721) and the number of the fixed tooth blocks (722), and a shrinkage cavity is arranged on the outer side of one end of each adjusting and positioning plate (721).

5. A power tool having a dust cover as set forth in claim 1, wherein: the number of the second adjusting clamping plates (716) is one, the number of the positioning clamp plates (717) is two, the number of the auxiliary pulleys (718) is multiple, and a magnetic plate is fixedly connected to the side wall of one side of the second adjusting clamping plates (716).

6. A power tool having a dust cover as set forth in claim 1, wherein: the outside of propelling movement bottom plate (76) bottom is equipped with the draw-in groove, the quantity of spacing slider (724) is by three, the outside of spacing slider (724) is equipped with spacing sliding tray.

7. A power tool having a dust cover as set forth in claim 1, wherein: the outside of sliding push rod (78) is equipped with laborsaving removal wheel, the size in the outside of sliding push rod (78) matches with the size in the inboard of last spout (77).

8. A power tool having a dust cover as set forth in claim 1, wherein: the number of the limiting slide bars (711) is one, the number of the auxiliary springs (712) is one, the number of the limiting cavity grooves (710) is one, and the number of the positioning track bars (72) is one.