CN111790930B - Electric drill capable of preventing mistaken touch switch - Google Patents
Electric drill capable of preventing mistaken touch switch Download PDFInfo
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- CN111790930B CN111790930B CN202010577820.2A CN202010577820A CN111790930B CN 111790930 B CN111790930 B CN 111790930B CN 202010577820 A CN202010577820 A CN 202010577820A CN 111790930 B CN111790930 B CN 111790930B
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- spring
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- rotating shaft
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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
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- 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
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
Abstract
The invention relates to an electric drill for preventing a mistaken touch switch, which comprises a shell, a driving mechanism, a drilling mechanism and a switch mechanism, wherein the driving mechanism is arranged in the shell, the drilling mechanism is arranged above the driving mechanism, the switch mechanism comprises a pressing component and a transmission component, the electric drill for preventing the mistaken touch switch realizes the linkage of the driving mechanism and the drilling mechanism through the transmission component, and the power supply of a device is realized through the pressing component, so that the drilling is realized, compared with the existing electric drill, the switch mechanism of the electric drill is automatically reset and blocked after being used, the electric drill can be operated by two operations, the mistaken touch of the switch is avoided, the protection is realized for operators, compared with the existing switch mechanism, the mechanism adopts a strong spring, the mistaken starting of the device is avoided when children are in an alarm, and even if the elements in the switch are slightly touched, the motor is prevented from operating, the drill bit cannot be driven to rotate, better protection is realized for the operators.
Description
Technical Field
The invention relates to an electric drill capable of preventing mistaken touch of a switch.
Background
The electric drill is a drilling machine using electricity as power, is a conventional product in electric tools and is also an electric tool product with the largest demand, and the working principle of the electric drill is that a motor rotor of an electromagnetic rotary or electromagnetic reciprocating small-capacity motor does magnetic field cutting work-doing operation, and an operating device is driven by a transmission mechanism to drive a gear to increase the power of a drill bit, so that the drill bit scrapes the surface of an object and better penetrates the object.
When the electric drill is used, the electric drill can be powered on the driving mechanism only by pressing the switch, so that the drill bit is rotated, the switch of the prior electric drill is not provided with an anti-misoperation touch mechanism generally, an operator can touch the switch carelessly to cause device operation and industrial injury, and when children play, the operator can touch the switch to cause the device operation, the drill bit is in contact with the body to cause injury to the human body, so that serious consequences are caused.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the electric drill for preventing the error touch switch is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: an electric drill for preventing a mistaken touch switch comprises a shell, a driving mechanism, a drilling mechanism and a switch mechanism, wherein the driving mechanism is arranged in the shell, the drilling mechanism is arranged above the driving mechanism, and the switch mechanism comprises a pressing assembly and a transmission assembly;
the driving mechanism comprises a motor, a driving shaft and a main gear, the motor is horizontally arranged in the shell, the driving shaft is arranged on the motor, the main gear is sleeved on the driving shaft, and the main gear is in key connection with the driving shaft;
the drilling mechanism comprises a drilling assembly and a clamping assembly, one side of the shell is provided with an opening, the clamping assembly is positioned at the opening, the clamping assembly comprises a fixed plate and two clamping units, the fixed plate is arranged at the opening, a strip-shaped groove is formed in the fixed plate, the two clamping units are arranged in the strip-shaped groove, the two clamping units are respectively arranged at two ends of the strip-shaped groove, each clamping unit comprises a clamping block and a first spring, the clamping blocks are positioned in the strip-shaped groove, the clamping blocks are in sliding connection with the strip-shaped groove, one end of the first spring is connected with the clamping blocks, the other end of the first spring is connected with the strip-shaped groove, the two clamping blocks of the two clamping units are just opposite to each other, the drilling assembly comprises a rotating shaft, a secondary gear, a drill bit clamp and a drill bit, the rotating shaft is arranged above the driving shaft, one end of the rotating shaft is positioned in the shell, the rotary shaft is positioned between the two clamping blocks, the two clamping blocks are both abutted against the rotary shaft, the secondary gear is sleeved on the rotary shaft and is in key connection with the rotary shaft, the secondary gear is positioned right above the main gear, the drill bit clamp is arranged at one end of the rotary shaft and is coaxial with the rotary shaft, and the drill bit is arranged in the drill bit clamp;
the pressing component comprises a micro-touch switch, a sleeve, a push rod, a threaded rod, a pressing block and a second spring, the sleeve is arranged below the shell, the micro-touch switch is arranged in the sleeve and is positioned at the bottom of the sleeve, one end of the threaded rod is positioned in the sleeve, the other end of the threaded rod extends out of the sleeve, the push rod is sleeved on the threaded rod, the push rod is in threaded connection with the threaded rod, the shell is provided with a chute, one end of the push rod is positioned in the chute, the push rod is connected with the shell in a sliding way, the pressing block is positioned in the sleeve and positioned between the micro-touch switch and the threaded rod, the pressing block is connected with the push rod, the pressing block is connected with the sleeve in a sliding way, the second spring is arranged in the sleeve, one end of the second spring is connected with the bottom of the sleeve, the other end of the second spring is connected with the pressing block, and the second spring is in a compressed state;
the transmission assembly comprises a tensioning unit, a limiting unit and a winding unit, the tensioning unit comprises a driving wheel, a driven wheel, two positioning wheels, two positioning rods and a belt, the driving wheel is sleeved on the driving shaft, the driven wheel is sleeved on the rotating shaft, the driven wheel is positioned right above the driving wheel, the two positioning rods are respectively arranged at two sides of the driven wheel, the two positioning wheels are respectively sleeved on the two positioning rods, the positioning wheels are connected with the positioning rods in a key mode, the top of each positioning wheel is higher than the top of the driven wheel, the belt is sleeved on the driving wheel and the two positioning wheels, the two limiting units are arranged corresponding to the two positioning wheels and comprise limiting rods, sleeve rings and third springs, the limiting rods are arranged on the inner wall of the top of the shell, and one ends of the limiting rods, far away from the shell, are obliquely arranged towards the direction far away from the driving wheel, the lantern ring cover is established on the locating lever, be equipped with the spacing groove on the gag lever post, the lantern ring is located the spacing groove, the lantern ring and spacing groove sliding connection, the third spring sets up at the spacing inslot, the one end and the spacing groove top of third spring are connected, the other end and the lantern ring of third spring are connected, the winding unit includes bull stick, drum, stay cord and stopper, the bull stick sets up in the shell below, the bull stick is connected with the one end that the threaded rod stretches out the cover outside of tubes, the bull stick sets up with the threaded rod is coaxial, the drum cover is established on the bull stick, drum and bull stick fixed connection, the stopper sets up on the inner wall of shell bottom, the one end and the lantern ring of stay cord are connected, the other end of stay cord passes the stopper and is connected with the drum.
In order to lock the push rod, a locking unit is arranged on one side of the push rod, which is far away from the sleeve, and comprises a fixed rod, a fixed pipe, a clamping block, a movable rod and a fourth spring, the fixed rod is arranged at one side of the push rod far away from the sleeve, the fixed pipe is arranged at the bottom of the shell, one end of the clamping block is positioned in the fixed pipe, the other end of the clamping block extends out of the fixed pipe, the fixed pipe is provided with a clamping groove, one end of the clamping block extending out of the fixed tube is positioned in the clamping groove, one end of the movable rod is connected with the clamping block, the other end of the moving rod extends out of the fixed tube, the fixed tube is provided with a positioning groove, the moving rod is positioned in the positioning groove, the movable rod is connected with the positioning groove in a sliding mode, the fourth spring is arranged in the fixed pipe, one end of the fourth spring is connected with the fixed pipe, and the other end of the fourth spring is connected with the clamping block.
In order to supply power to the device, a battery is arranged in the shell, and the motor and the micro-contact switch are electrically connected with the battery.
In order to enable the main gear and the secondary gear to be meshed better, the main gear and the secondary gear are respectively provided with a magnet, the two magnets are arranged oppositely, and the two magnets attract each other.
In order to realize clamping on the threaded rod, the threaded rod is arranged in a hollow mode, a connecting rod is arranged in the threaded rod, one end of the connecting rod is connected with the pressing block, and the other end of the connecting rod is connected with the threaded rod in a sliding mode.
In order to better limit the movement of the push rod, the cross section of one end of the push rod, which is positioned in the sliding groove, is of a dovetail shape, and the sliding groove is a dovetail groove.
In order to realize better clamping to the rotating shaft, the number of the clamping components is two, and the two clamping components are respectively arranged at two ends of the rotating shaft.
In order to realize better clamping effect on the rotating shaft, the section of the clamping block is arc-shaped, and the circle center of the arc-shaped section of the clamping block is positioned on the axis of the rotating shaft.
In order to enable the clamping block to be clamped into the clamping groove more conveniently, the clamping block is provided with a chamfer.
For better grasping of the device for perforation, a handle is provided on the housing.
The electric drill with the mistaken touch preventing switch has the advantages that the linkage of the driving mechanism and the drilling mechanism is realized through the transmission assembly, the power supply of the device is realized through the pressing assembly, and therefore the drilling is realized.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of an electric drill of the mis-touch prevention switch of the present invention;
FIG. 2 is a schematic diagram of the clamping assembly of the electric drill of the present invention;
FIG. 3 is a schematic view of the push assembly of the power drill of the present invention;
FIG. 4 is a schematic view of the drive assembly of the power drill of the present invention showing the false touch prevention switch;
in the figure: 1. the automatic drilling machine comprises a shell, a motor, a driving shaft, a main gear, a fixing plate, a clamping block, a first spring, a rotating shaft, a secondary gear, a drill bit clamp, a drill bit, a micro-contact switch, a sleeve, a push rod, a threaded rod, a press block, a second spring, a driving wheel, a driven wheel, a positioning rod, a belt, a limiting rod, a collar, a ring 25, a third spring, a rotating rod, a wire coil, a pull rope, a limiting block 29, a fixing rod, a fixing pipe 31, a fixing block, a moving rod 33, a moving rod 34, a fourth spring, a battery 35, a magnet 36, a connecting rod 37 and a handle 38.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an electric drill for preventing a mistaken touch switch comprises a housing 1, a driving mechanism, a drilling mechanism and a switch mechanism, wherein the driving mechanism is arranged in the housing 1, the drilling mechanism is arranged above the driving mechanism, and the switch mechanism comprises a pressing assembly and a transmission assembly;
the device is through the drive press assembly for the transmission assembly operation, thereby makes drilling mechanism and actuating mechanism connect, and press the assembly and touch and supply power to actuating mechanism behind the micro-touch switch 12 for actuating mechanism operates, thereby through the operation of transmission assembly drive drilling mechanism, then promotes handle 38, makes drilling mechanism drill.
In order to supply power to the device, a battery 35 is arranged in the shell 1, and the motor 2 and the micro-contact switch 12 are electrically connected with the battery 35.
For better gripping of the device for perforation, the housing 1 is provided with a handle 38.
As shown in fig. 1, the driving mechanism includes a motor 2, a driving shaft 3 and a main gear 4, the motor 2 is horizontally disposed in the housing 1, the driving shaft 3 is mounted on the motor 2, the main gear 4 is sleeved on the driving shaft 3, and the main gear 4 is in key connection with the driving shaft 3;
the motor 2 is operated, the motor 2 drives the driving shaft 3 to rotate, and the driving shaft 3 drives the main gear 4 to rotate.
As shown in fig. 2, the drilling mechanism comprises a drilling assembly and a clamping assembly, one side of the housing 1 is provided with an opening, the clamping assembly is located at the opening, the clamping assembly comprises a fixing plate 5 and two clamping units, the fixing plate 5 is arranged at the opening, a strip-shaped groove is arranged on the fixing plate 5, the two clamping units are arranged in the strip-shaped groove, the two clamping units are respectively arranged at two ends of the strip-shaped groove, the clamping units comprise clamping blocks 6 and first springs 7, the clamping blocks 6 are located in the strip-shaped groove, the clamping blocks 6 are in sliding connection with the strip-shaped groove, one end of each first spring 7 is connected with the clamping block 6, the other end of each first spring 7 is connected with the strip-shaped groove, the two clamping blocks 6 of the two clamping units are just arranged, the drilling assembly comprises a rotating shaft 8, a secondary gear 9, a drill clamp 10 and a drill 11, the rotating shaft 8 is arranged above the driving, one end of the rotating shaft 8 is located in the shell 1, the other end of the rotating shaft 8 penetrates through the strip-shaped groove and extends out of the shell 1, the rotating shaft 8 is located between the two clamping blocks 6, the two clamping blocks 6 are both abutted against the rotating shaft 8, the secondary gear 9 is sleeved on the rotating shaft 8, the secondary gear 9 is in key connection with the rotating shaft 8, the secondary gear 9 is located right above the main gear 4, the drill bit clamp 10 is arranged at one end of the rotating shaft 8, the drill bit clamp 10 is coaxially arranged with the rotating shaft 8, and the drill bit 11 is arranged in the drill bit clamp 10;
when the transmission assembly operates, the rotating shaft 8 is driven to move towards the driving shaft 3, so that the secondary gear 9 is meshed with the primary gear 4, the primary gear 4 rotates to drive the secondary gear 9 to rotate, the secondary gear 9 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the drill bit clamp 10 to rotate, and the drill bit clamp 10 drives the drill bit 11 to rotate, so as to realize drilling.
Here, the rotating shaft 8 moves to drive the clamping block 6 below the rotating shaft 8 to press downwards, so that the first spring 7 below is compressed, the restoring force of the first spring 7 generates upward thrust on the rotating shaft 8, when the transmission assembly stops operating, the rotating shaft 8 returns to the initial position under the action of the restoring force of the first spring 7, meanwhile, the first spring 7 above the rotating shaft 8 is always in a compressed state, the restoring force of the first spring 7 generates downward pressure on the clamping block 6, the clamping block 6 generates downward pressure on the rotating shaft 8, and the rotating shaft 8 generates downward pressure on the secondary gear 9, so that the secondary gear 9 is always kept in a meshed state with the primary gear 4.
The magnets 36 here stabilize the position of the secondary gear 9 and the primary gear 4 when the secondary gear 9 and the primary gear 4 are out of operation, so that the teeth on the secondary gear 9 snap into the primary gear 4 more easily.
In order to realize better clamping to the rotating shaft 8, the number of the clamping assemblies is two, and the two clamping assemblies are respectively arranged at two ends of the rotating shaft 8.
In order to realize a better clamping effect on the rotating shaft 8, the section of the clamping block 6 is arc-shaped, and the circle center of the arc-shaped section of the clamping block 6 is positioned on the axis of the rotating shaft 8.
In order to make the main gear 4 and the secondary gear 9 mesh better, the main gear 4 and the secondary gear 9 are both provided with magnets 36, the two magnets 36 are arranged opposite to each other, and the two magnets 36 attract each other.
As shown in fig. 3, the pressing component includes a micro-contact switch 12, a sleeve 13, a push rod 14, a threaded rod 15, a pressing block 16 and a second spring 17, the sleeve 13 is disposed below the housing 1, the micro-contact switch 12 is disposed in the sleeve 13, the micro-contact switch 12 is disposed at the bottom of the sleeve 13, one end of the threaded rod 15 is disposed in the sleeve 13, the other end of the threaded rod 15 extends out of the sleeve 13, the push rod 14 is sleeved on the threaded rod 15, the push rod 14 is in threaded connection with the threaded rod 15, the housing 1 is provided with a sliding groove, one end of the push rod 14 is disposed in the sliding groove, the push rod 14 is in sliding connection with the housing 1, the pressing block 16 is disposed in the sleeve 13, the pressing block 16 is disposed between the micro-contact switch 12 and the threaded rod 15, the pressing block 16 is connected with the push rod 14, the pressing block 16 is in sliding connection with, one end of the second spring 17 is connected with the bottom of the sleeve 13, the other end of the second spring 17 is connected with the pressing block 16, and the second spring 17 is in a compressed state;
when the device needing to operate is, the push rod 14 is pressed, the push rod 14 drives the pressing block 16 to move, the pressing block 16 is in contact with the micro-contact switch 12, after the micro-contact switch 12 is triggered, the battery 35 supplies power to the motor 2, namely, the motor 2 can be driven to operate, the pressing block 16 moves to enable the second spring 17 to be compressed, the restoring force of the second spring 17 generates outward thrust to the pressing block 16, when the hand moves away from the push rod 14, the push rod 14 cannot be blocked by the hand, the initial position can be restored under the action of the second spring 17, the pressing block 16 is enabled to be separated from the micro-contact switch 12, and the power of the motor 2 is cut off.
The pressure piece 16 is connected to the sleeve 13 in a sliding manner, so that the pressure piece 16 can only move in the axial direction of the sleeve 13.
When the push rod 14 moves, the push rod 14 moves to drive the threaded rod 15 to rotate due to the fact that the push rod 14 is in threaded connection with the threaded rod 15.
Here, the movement of the push block drives the movement of the link 37, the link 37 slides in the threaded rod 15, and the link 37 does not disengage from the threaded rod 15, so that the link 37 clamps the threaded rod 15.
When the push rod 14 is not moved, the clamping block 32 is clamped in the clamping groove of the fixed rod 30, the fourth spring 34 is in a compression state, restoring force of the fourth spring 34 generates outward thrust to the clamping block 32, the clamping block 32 is always clamped in the clamping groove, when the push rod 14 needs to be pushed, the movable rod 33 needs to be pushed upwards, the movable rod 33 moves, the clamping block 32 is driven to move, the clamping block 32 is made to move out of the clamping groove, the fixed rod 30 cannot be blocked, the fixed rod 30 can move along with the push rod 14, after the use is finished, the push rod 14 returns to the initial position, the fixed rod 30 is driven to move by the push rod 14, the clamping block 32 is clamped in the clamping groove again, fixing of the fixed rod 30 is achieved, fixing of the push rod 14 is achieved.
The second spring 17 is a strong spring, so that the child cannot push the second spring 17 to deform, and the situation that the child pushes the push rod 14 to cause the device to operate when playing is avoided.
In order to better limit the movement of the push rod 14, the cross section of one end of the push rod 14, which is positioned in the sliding groove, is dovetail-shaped, and the sliding groove is a dovetail groove.
In order to lock the push rod 14, a locking unit is arranged on one side of the push rod 14, which is far away from the sleeve 13, and comprises a fixing rod 30, a fixing tube 31, a clamping block 32, a moving rod 33 and a fourth spring 34, wherein the fixing rod 30 is arranged on one side of the push rod 14, which is far away from the sleeve 13, the fixing tube 31 is arranged at the bottom of the shell 1, one end of the clamping block 32 is positioned in the fixing tube 31, the other end of the clamping block 32 extends out of the fixing tube 31, a clamping groove is arranged on the fixing rod 30, one end of the clamping block 32, which extends out of the fixing tube 31, is positioned in the clamping groove, one end of the moving rod 33 is connected with the clamping block 32, the other end of the moving rod 33, which extends out of the fixing tube 31, a positioning groove is arranged on the fixing tube 31, the moving rod 33 is positioned in the positioning groove, the moving rod 33 is slidably connected with the positioning groove, the, the other end of the fourth spring 34 is connected to the latch 32.
In order to enable the fixture block 32 to be clamped into the clamping groove more conveniently, the fixture block 32 is provided with a chamfer.
In order to clamp the threaded rod 15, the threaded rod 15 is arranged in a hollow mode, a connecting rod 37 is arranged in the threaded rod 15, one end of the connecting rod 37 is connected with the pressing block 16, and the other end of the connecting rod 37 is connected with the threaded rod 15 in a sliding mode.
As shown in fig. 4, the transmission assembly includes a tensioning unit, a limiting unit and a winding unit, the tensioning unit includes a driving wheel 18, a driven wheel 19, positioning wheels 20, positioning rods 21 and a belt 22, the driving wheel 18 is sleeved on the driving shaft 3, the driven wheel 19 is sleeved on the rotating shaft 8, the driven wheel 19 is located right above the driving wheel 18, the two positioning rods 21 are provided, the two positioning rods 21 are respectively arranged at two sides of the driven wheel 19, the two positioning wheels 20 are provided, the two positioning wheels 20 are respectively sleeved on the two positioning rods 21, the positioning wheels 20 are in key connection with the positioning rods 21, the top of the positioning wheels 20 is higher than the top of the driven wheel 19, the belt 22 is sleeved on the driving wheel 18 and the two positioning wheels 20, the two limiting units are provided, the two limiting units correspond to the two positioning wheels 20, and each limiting unit includes a limiting rod, The winding device comprises a sleeve ring 24 and a third spring 25, the limiting rod 23 is arranged on the inner wall of the top of the shell 1, one end, away from the shell 1, of the limiting rod 23 is obliquely arranged towards the direction away from the driving wheel 18, the sleeve ring 24 is sleeved on the positioning rod 21, a limiting groove is arranged on the limiting rod 23, the sleeve ring 24 is positioned in the limiting groove, the sleeve ring 24 is in sliding connection with the limiting groove, the third spring 25 is arranged in the limiting groove, one end of the third spring 25 is connected with the top of the limiting groove, the other end of the third spring 25 is connected with the sleeve ring 24, the winding unit comprises a rotating rod 26, a wire coil 27, a pull rope 28 and a limiting block 29, the rotating rod 26 is arranged below the shell 1, the rotating rod 26 is connected with one end, extending out of the sleeve 13, of the threaded rod 15, the rotating rod 26 is coaxially arranged with the threaded rod 15, the wire coil 27 is sleeved on the rotating rod, the limiting block 29 is arranged on the inner wall of the bottom of the shell 1, one end of the pull rope 28 is connected with the lantern ring 24, and the other end of the pull rope 28 penetrates through the limiting block 29 to be connected with the wire coil 27.
The threaded rod 15 rotates to drive the rotating rod 26 to rotate, the rotating rod 26 drives the wire coil 27 to rotate, the pull rope 28 is wound on the wire coil 27, the pull rope 28 drives the sleeve ring 24 to move downwards, the sleeve ring 24 drives the positioning rod 21 to move downwards, the positioning rod 21 drives the positioning wheel 20 to move downwards, the positioning wheel 20 drives the belt 22 to move downwards, the belt 22 drives the driven wheel 19 to move downwards, the driven wheel 19 drives the rotating shaft 8 to move downwards, the rotating shaft 8 drives the secondary gear 9 to move downwards, the secondary gear 9 is meshed with the main gear 4, the main gear 4 and the driving secondary gear 9 rotate, here, when the push rod 14 is not pushed, the height of the positioning wheel 20 is larger than that of the driven wheel 19, the belt 22 is not contacted with the driven wheel 19, even if the micro-touch switch 12 fails, the motor 2 is suddenly driven to rotate, the motor 2 cannot drive the drill bit 11 to rotate.
When the lantern ring 24 moves, the driving third spring 25 is stretched, the restoring force of the third spring 25 generates upward pulling force on the lantern ring 24, when a hand is not in contact with the push rod 14, the push rod 14 is not blocked, the lantern ring 24 is pulled to return to the initial position under the action of the restoring force of the second spring 17, the lantern ring 24 enables the coil to reversely rotate, the coil drives the rotating rod 26 to reversely rotate, the rotating rod 26 drives the threaded rod 15 to reversely rotate, the threaded rod 15 drives the push rod 14 to reversely move, and the push rod 14 returns to the initial position.
The device is through pressing push rod 14, make the winding unit operation, the taut unit operation of winding unit drive, make secondary gear 9 and main gear 4 mesh, it is spacing to carry out the removal of secondary gear 9 through the centre gripping subassembly, make during drilling, main gear 4 and secondary gear 9 remain the engaged state throughout, it is spacing to the removal of taut unit through spacing unit, along with the removal of push rod 14, briquetting 16 triggers micro-touch switch 12, thereby supply power to motor 2, realize the actuating mechanism operation, thereby make the subassembly operation of punching, realize punching.
Compared with the prior art, this prevent electric drill of mistake touch switch, realize actuating mechanism and drilling mechanism's linkage through transmission assembly, through the power supply of pressing the subassembly realization device, thereby realize drilling, compare with current electric drill, its switching mechanism is after the use, automatic re-setting and card are dead promptly, need twice operation just can move, the mistake of having avoided the switch touches and bumps, the protection has been realized to operating personnel, compare with current switching mechanism, this mechanism has adopted powerful spring, when avoiding children to be good at and playing, mistake starting drive, and even the component failure in the little touch switch 12, cause motor 2 operation, can not drive drill bit 11 rotatory yet, realize better protection to operating personnel.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An electric drill for preventing a mistaken touch switch is characterized by comprising a shell (1), a driving mechanism, a drilling mechanism and a switch mechanism, wherein the driving mechanism is arranged in the shell (1), the drilling mechanism is arranged above the driving mechanism, and the switch mechanism comprises a pressing assembly and a transmission assembly;
the driving mechanism comprises a motor (2), a driving shaft (3) and a main gear (4), the motor (2) is horizontally arranged in the shell (1), the driving shaft (3) is arranged on the motor (2), the main gear (4) is sleeved on the driving shaft (3), and the main gear (4) is in key connection with the driving shaft (3);
drilling mechanism is including punching subassembly and centre gripping subassembly, one side of shell (1) is equipped with the opening, the centre gripping subassembly is located the opening part, the centre gripping subassembly includes fixed plate (5) and two centre gripping units, fixed plate (5) set up at the opening part, set up the bar groove on fixed plate (5), two centre gripping units all set up at the bar inslot, and two centre gripping units set up the both ends in the bar groove respectively, the centre gripping unit includes clamp splice (6) and first spring (7), clamp splice (6) are located the bar inslot, clamp splice (6) and bar groove sliding connection, the one end and the clamp splice (6) of first spring (7) are connected, the other end and the bar groove of first spring (7) are connected, and two clamp splice (6) of two centre gripping units are just to setting, the subassembly of punching includes pivot (8), secondary gear (9), The drill bit comprises a drill bit clamp (10) and a drill bit (11), wherein a rotating shaft (8) is arranged above a driving shaft (3), one end of the rotating shaft (8) is located in a shell (1), the other end of the rotating shaft (8) penetrates through a strip-shaped groove to extend out of the shell (1), the rotating shaft (8) is located between two clamping blocks (6), the two clamping blocks (6) are abutted to the rotating shaft (8), a secondary gear (9) is sleeved on the rotating shaft (8), the secondary gear (9) is in key connection with the rotating shaft (8), the secondary gear (9) is located right above a main gear (4), the drill bit clamp (10) is arranged at one end of the rotating shaft (8), the drill bit clamp (10) and the rotating shaft (8) are coaxially arranged, and the drill bit (11) is arranged in the drill bit clamp (10);
the pressing component comprises a micro-touch switch (12), a sleeve (13), a push rod (14), a threaded rod (15), a pressing block (16) and a second spring (17), the sleeve (13) is arranged below the shell (1), the micro-touch switch (12) is arranged in the sleeve (13), the micro-touch switch (12) is arranged at the bottom of the sleeve (13), one end of the threaded rod (15) is arranged in the sleeve (13), the other end of the threaded rod (15) extends out of the sleeve (13), the push rod (14) is sleeved on the threaded rod (15), the push rod (14) is in threaded connection with the threaded rod (15), a sliding groove is formed in the shell (1), one end of the push rod (14) is arranged in the sliding groove, the push rod (14) is in sliding connection with the shell (1), the pressing block (16) is arranged in the sleeve (13), and the pressing block (16) is arranged between the micro-touch switch (12) and the threaded rod (15), the pressing block (16) is connected with the push rod (14), the pressing block (16) is connected with the sleeve (13) in a sliding mode, the second spring (17) is arranged in the sleeve (13), one end of the second spring (17) is connected with the bottom of the sleeve (13), the other end of the second spring (17) is connected with the pressing block (16), and the second spring (17) is in a compression state;
the transmission assembly comprises a tensioning unit, a limiting unit and a winding unit, wherein the tensioning unit comprises a driving wheel (18), a driven wheel (19), positioning wheels (20), positioning rods (21) and a belt (22), the driving wheel (18) is sleeved on the driving shaft (3), the driven wheel (19) is sleeved on the rotating shaft (8), the driven wheel (19) is positioned right above the driving wheel (18), the two positioning rods (21) are arranged, the two positioning rods (21) are respectively arranged at two sides of the driven wheel (19), the two positioning wheels (20) are respectively sleeved on the two positioning rods (21), the positioning wheels (20) are in key connection with the positioning rods (21), the top of the positioning wheels (20) is higher than the top of the driven wheel (19), the belt (22) is sleeved on the driving wheel (18) and the two positioning wheels (20), spacing unit has two, and two spacing units correspond the setting with two locating wheels (20), spacing unit includes gag lever post (23), the lantern ring (24) and third spring (25), gag lever post (23) set up on the inner wall at shell (1) top, the one end that shell (1) were kept away from in gag lever post (23) sets up towards the direction slope of keeping away from drive wheel (18), lantern ring (24) cover is established on locating lever (21), be equipped with the spacing groove on gag lever post (23), lantern ring (24) are located the spacing inslot, lantern ring (24) and spacing groove sliding connection, third spring (25) set up at the spacing inslot, the one end and the spacing groove top of third spring (25) are connected, the other end and the lantern ring (24) of third spring (25) are connected, the winding unit includes bull stick (26), drum (27), Stay cord (28) and stopper (29), bull stick (26) set up in shell (1) below, bull stick (26) are connected with threaded rod (15) stretch out the outer one end of sleeve pipe (13), bull stick (26) and threaded rod (15) coaxial setting, drum (27) cover is established on bull stick (26), drum (27) and bull stick (26) fixed connection, stopper (29) set up on the inner wall of shell (1) bottom, the one end and the lantern ring (24) of stay cord (28) are connected, the other end of stay cord (28) passes stopper (29) and is connected with drum (27).
2. The electric drill for preventing mistaken touch on a switch according to claim 1, wherein a locking unit is arranged on one side of the push rod (14) far away from the sleeve (13), the locking unit comprises a fixing rod (30), a fixing tube (31), a clamping block (32), a moving rod (33) and a fourth spring (34), the fixing rod (30) is arranged on one side of the push rod (14) far away from the sleeve (13), the fixing tube (31) is arranged at the bottom of the shell (1), one end of the clamping block (32) is located in the fixing tube (31), the other end of the clamping block (32) extends out of the fixing tube (31), a clamping groove is formed in the fixing rod (30), one end of the clamping block (32) extending out of the fixing tube (31) is located in the clamping groove, one end of the moving rod (33) is connected with the clamping block (32), and the other end of the moving rod (33) extends out of the fixing tube (31), be equipped with the constant head tank on fixed pipe (31), carriage release lever (33) are located the constant head tank, carriage release lever (33) and constant head tank sliding connection, fourth spring (34) set up in fixed pipe (31), the one end and the fixed pipe (31) of fourth spring (34) are connected, the other end and the fixture block (32) of fourth spring (34) are connected.
3. An electric drill for preventing mistaken touch on a switch according to claim 1, characterized in that a battery (35) is arranged in the housing (1), and the motor (2) and the micro-touch switch (12) are both electrically connected with the battery (35).
4. An electric drill for preventing accidental touch on a switch according to claim 1, characterized in that the main gear (4) and the secondary gear (9) are provided with magnets (36), two magnets (36) are arranged oppositely, and the two magnets (36) attract each other.
5. The electric drill for preventing the false touch switch according to claim 1, wherein the threaded rod (15) is arranged in a hollow mode, a connecting rod (37) is arranged in the threaded rod (15), one end of the connecting rod (37) is connected with the pressing block (16), and the other end of the connecting rod (37) is connected with the threaded rod (15) in a sliding mode.
6. An electric drill for preventing mistaken touch on a switch according to claim 1, wherein the cross section of one end of the push rod (14) located in the sliding groove is dovetail-shaped, and the sliding groove is a dovetail groove.
7. An electric drill for preventing mistaken touch on a switch according to claim 1, wherein the number of the clamping assemblies is two, and the two clamping assemblies are respectively arranged at two ends of the rotating shaft (8).
8. The electric drill for preventing mistaken touch on the switch according to claim 1, wherein the cross section of the clamping block (6) is arc-shaped, and the center of the arc-shaped cross section of the clamping block (6) is located on the axis of the rotating shaft (8).
9. The electric drill for preventing erroneous touch of a switch according to claim 2, wherein the fixture block (32) is provided with a chamfer.
10. An electric drill for preventing accidental touch on switch according to claim 1 characterized in that the housing (1) is provided with a handle (38).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577820.2A CN111790930B (en) | 2020-06-23 | 2020-06-23 | Electric drill capable of preventing mistaken touch switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577820.2A CN111790930B (en) | 2020-06-23 | 2020-06-23 | Electric drill capable of preventing mistaken touch switch |
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| CN111790930A CN111790930A (en) | 2020-10-20 |
| CN111790930B true CN111790930B (en) | 2021-05-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113296426B (en) * | 2021-04-27 | 2022-07-12 | 深圳市中浦电子有限公司 | Touch-type intelligent household wireless induction switch |
| CN113467635B (en) * | 2021-05-18 | 2022-12-27 | 北海翰博士科技有限公司 | Mistaken touch prevention touch panel with force feedback function and using method thereof |
| CN113458454B (en) * | 2021-07-29 | 2022-05-27 | 永康市晓诚电器有限公司 | Hand-held electric drill |
| CN114192840B (en) * | 2022-02-18 | 2022-05-06 | 海门柏杰电动工具有限公司 | Handheld electric percussion drill with protection braking function |
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| JPH04226823A (en) * | 1990-04-27 | 1992-08-17 | Black & Decker Inc | Motor tool |
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| CN111790930A (en) | 2020-10-20 |
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Effective date of registration: 20210427 Address after: 321302 3rd floor, 220 Meilong Road, Chengxi New District, Yongkang City, Jinhua City, Zhejiang Province (self declaration) Applicant after: Yongkang BLS electric tools Co.,Ltd. Address before: 518000 Shennan Avenue 10128 Nanshan Software Park West Tower 2101.2102.2110, Nantou Street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: Shenzhen Jundatong Office Intelligence Technology Co.,Ltd. |
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