CN115070659B - Hand-held electric screwdriver - Google Patents
Hand-held electric screwdriver Download PDFInfo
- Publication number
- CN115070659B CN115070659B CN202210720866.4A CN202210720866A CN115070659B CN 115070659 B CN115070659 B CN 115070659B CN 202210720866 A CN202210720866 A CN 202210720866A CN 115070659 B CN115070659 B CN 115070659B
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- China
- Prior art keywords
- battery
- circuit board
- hand
- button
- screwdriver
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- 235000014676 Phragmites communis Nutrition 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 14
- 210000003813 thumb Anatomy 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 10
- 229910052744 lithium Inorganic materials 0.000 description 10
- 238000000926 separation method Methods 0.000 description 6
- 210000003811 finger Anatomy 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Battery Mounting, Suspending (AREA)
- Toys (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application relates to a handheld electric screwdriver, which belongs to the technical field of screwdrivers. The electric screwdriver comprises a shell, a storage battery, a stepless speed regulating switch, a motor, a gear box, a charging assembly and a screwdriver nozzle, wherein the storage battery, the stepless speed regulating switch, the charging assembly and the screwdriver nozzle are arranged outside the shell; the battery part is internally provided with a battery mounting cavity for mounting a storage battery, and the handheld part is internally provided with a holding cavity for mounting a stepless speed regulating switch and a circuit board in an up-down arrangement manner; the charging assembly is arranged in the holding cavity for charging the storage battery, and a charging port is formed in one side, away from the batch nozzle, of one end, close to the battery part, of the handheld part. This application has the convenient effect of equipment and charging.
Description
Technical Field
The application relates to the field of screwdrivers, in particular to a handheld electric screwdriver.
Background
The electric screwdriver is an electric tool for screwing and unscrewing screws. The power tool is equipped with a mechanism for adjusting and limiting torque.
The electric screwdriver mainly comprises a shell, a lithium battery, a stepless speed regulating switch, a motor, a gear box and a screwdriver nozzle, wherein the lithium battery, the stepless speed regulating switch, the motor, the gear box and the screwdriver nozzle are arranged outside the shell, the shell comprises a handheld part and a force application part, the handheld part and the force application part form a certain angle, the handheld part is used for being held by a user, the force application part and the screwdriver nozzle are in a straight line, the screwdriver nozzle is used for being provided with a screwdriver head, the force application part applies downward pressure to the screwdriver nozzle, the lithium battery supplies power for the motor, the motor drives the screwdriver nozzle to rotate through the gear box, the stepless speed regulating switch is used for controlling the motor to rotate positively and reversely and be opened and closed, the lithium battery, the stepless speed regulating switch and the motor are connected and controlled through a circuit board, and the lithium battery, the circuit board and the stepless speed regulating switch are all arranged in the handheld part; the existing lithium battery and circuit board mounting mode is generally embedded in the handheld portion in a mutually overlapped mode, a corresponding charging assembly for charging the lithium battery is mounted at the bottom of the handheld portion, and a charging opening is formed in the end face of the bottom of the handheld portion.
The hand-held part is convenient to hold by a user, so that the size is not too large, the lithium battery and the circuit board are compact in installation, the requirement on installation precision is higher, and the charging port is positioned on the end face of the bottom of the hand-held part, so that the charging port can only be exposed in a flat-swing mode for charging when the electric screwdriver needs to be charged.
Disclosure of Invention
In order to facilitate assembly and charging of an electric screwdriver, the present application provides a handheld electric screwdriver.
The application provides a hand-held type electric screw driver adopts following technical scheme:
the utility model provides a handheld electronic screwdriver, includes the shell, installs battery, stepless speed regulating switch, motor, gear box, charging assembly and the mouth of criticizing that is located the shell outside in the shell, the battery with stepless speed regulating switch with connect control through the circuit board between the motor, the shell includes handheld portion, application of force portion and battery portion, handheld portion with application of force portion is certain angle, battery portion set up in handheld portion keep away from the one end of application of force portion, and battery portion with application of force portion is parallel, electronic screwdriver is through when battery portion places focus is located battery portion top;
a battery mounting cavity for mounting the storage battery is formed in the battery part, and a holding cavity for mounting the stepless speed regulating switch and the circuit board in an up-down arrangement is formed in the handheld part;
the charging assembly is arranged in the holding cavity to charge the storage battery, a charging port is formed in one side, close to the battery, of the handheld portion, away from the batch nozzle, and a thumb groove is formed in one side, close to the force application portion, of the handheld portion, away from the batch nozzle.
Through adopting above-mentioned technical scheme, through setting up solitary battery portion battery installation in the one end that the application of force portion was kept away from to the handheld portion, make the circuit board that is located the intracavity of holding of handheld portion can settle at will, it is more convenient, the battery is settled in special battery installation intracavity, thereby make things convenient for the installation of battery, the degree of difficulty when reducing the screwdriver equipment, simultaneously, battery portion and application of force portion parallel arrangement, make the size influence of battery portion to the screwdriver direction of height less, the screwdriver can also be placed with the help of battery portion more stable, the user holds when the handheld portion, receive the spacing effect of battery portion, more steady that can also take, be difficult to loosen and take off, simultaneously the user holds when the handheld portion, thumb is located thumb groove, the index finger operates, the hand is difficult to cover the mouth position that charges this moment, when making the screwdriver of taking charge, the hand can not influence the plug that charges, electric screwdriver can be charged through the vertical placement of battery portion, the gesture of taking is not influenced simultaneously.
Optionally, the cavity wall of holding is equipped with the confession the spacing groove of the spacing installation of circuit board, hold the intracavity in the mouth position of charging still is equipped with the installation piece, the installation piece has been seted up and has been supplied the embedded mounting groove of charging assembly, the charging assembly includes Type-C interface and interface circuit board, the installation piece orientation the lateral wall of circuit board has been seted up and has been link up the overhanging mouth of mounting groove, interface circuit board part protrusion overhanging mouth, the cavity wall protrusion of holding the chamber is equipped with the stopper, the stopper is located the circuit board with between the interface circuit board.
Through adopting above-mentioned technical scheme, interface circuit board part overhang is in holding the intracavity to conveniently draw forth corresponding circuit line from interface circuit board, simultaneously through setting up the stopper in holding the intracavity, separate interface circuit board and circuit board through the stopper, on the one hand, further restrict the position stability of both, on the other hand, when making the mouth that charges insert the head that charges, even interface circuit board is pushed out also be difficult to extrude the circuit board, thereby reduce the possibility that the circuit board damaged, when the subassembly that charges damages, the maintenance is more convenient, the cost is also lower.
Optionally, a gripping skin is installed on one side of the hand-held part close to the batch nozzle, the stepless speed regulating switch comprises a controller and a button, and a button hole for the button to protrude is formed on one side of one end of the hand-held part close to the force application part close to the batch nozzle;
the spring plate is arranged in the holding cavity, the squeezing column is arranged on the inner wall of the holding skin and penetrates through the handheld portion in a sliding mode and enters the holding cavity, the rubber skin is arranged in the wall of the handheld portion, the rubber skin is located in the button hole, the rubber skin is located between the spring plate and the cavity wall of the holding cavity, and the squeezing column is abutted to the rubber skin.
Through adopting above-mentioned technical scheme, the button is used for operating the controller to realize the operation of stepless speed regulating switch, during the use, through holding electric screwdriver, the skin of holding receives the pressure to promote the extrusion post and gets into and hold the chamber and extrude the sheet rubber, thereby promote the rubber and deviate from in the button hole, the button can smooth and easy slip in the button hole, when the user does not hold electric screwdriver, because the reset effect of reed, rubber gets into the button hole, when the button slides, the button receives the friction effect of rubber, thereby prevent the free slip of button, make electric screwdriver when not holding, be difficult to by the mistake touch, simultaneously when really having the operation with another hand mode, can overcome frictional force and operate.
Optionally, the button is provided with a friction hole for the rubber skin to enter, the friction hole is obliquely arranged, the oblique direction is the direction in which the button moves out of the button hole, and the rubber skin obliquely stretches into the friction hole.
Through adopting above-mentioned technical scheme, set up the friction hole for the sheet rubber can partly stretch into in the friction hole, on the one hand, when the reed applys restoring force, the sheet rubber is difficult to block and become invalid, on the other hand, the sheet rubber part stretches into in the friction hole, and sheet rubber and friction hole slope shift out button hole direction slope towards the button and set up, when the button is slipped in, the sheet rubber is bent, and then warp, the sheet rubber fills the space between button and the button hole, thereby better prevention button removes, prevent that the mistake from touching the effect is better.
Optionally, the holding chamber is slided and is installed the closure board that seals the mouth that charges, be equipped with the slide button on the closure board, the hand-held part is offered and is supplied the slide button exposes and the unblock groove of vertical slip, be equipped with in the holding chamber along with the closure board moves the ejector pin of butt reed.
Through adopting above-mentioned technical scheme, the closing plate is used for sealing the mouth that charges when not charging for the dust is difficult to get into and grips the intracavity, protects the subassembly that charges, and the drive ejector pin that reciprocates through the closing plate simultaneously limits reed and sheet rubber, thereby when charging, the sheet rubber maintains the restriction effect that slides to the button, restricts electric screwdriver's start-up when charging, indirectly improves electric screwdriver's life-span, when needing to charge temporary use, also can force the start through overcoming the frictional force of sheet rubber.
Optionally, the closing plate is circular arc, the closing plate is towards the lateral wall overhang of rubber skin is provided with the toggle plate, the toggle plate keep away from the one end of closing plate rotate connect in the cavity of holding, the ejector pin set up in on the closing plate and towards the rubber skin direction extends the setting.
To sum up, through setting up solitary battery portion battery installation in the one end that the application of force portion was kept away from to the handheld portion, make the circuit board that is located the holding intracavity of handheld portion can settle at will, it is more convenient, the battery is settled in special battery installation intracavity, thereby make things convenient for the installation of battery, the degree of difficulty when reducing the screwdriver equipment, simultaneously, battery portion and application of force portion parallel arrangement, make the size influence of battery portion to the screwdriver direction of height less, the screwdriver can also be placed with the help of battery portion more stably, the user holds when the handheld portion, receive the spacing effect of battery portion, can also be held more steadily, be difficult to loosen, simultaneously the user holds when the handheld portion, thumb is located thumb groove, the index finger operates, the hand is difficult to cover the mouth position that charges this moment, make the screwdriver that holds can not influence the plug that charges, electric screwdriver can vertically place through the battery portion and charge, simultaneously, do not influence the gesture of taking.
Drawings
FIG. 1 is a schematic view of a power screwdriver according to an embodiment of the present application;
FIG. 2 is a schematic view of the exposed structure of the interior of the electric screwdriver in the embodiment of the present application;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 2;
FIG. 5 is a schematic view of a partial structure of a split half shell in an embodiment of the present application;
FIG. 6 is a schematic view of the structure of a button in an embodiment of the present application;
FIG. 7 is a schematic view of a first type of batch nozzle according to an embodiment of the present application;
FIG. 8 is a cross-sectional view of a first type of batch nozzle in an embodiment of the present application;
FIG. 9 is a schematic illustration of a second type of batch nozzle in an embodiment of the present application;
FIG. 10 is a cross-sectional view of a second type of batch nozzle in an embodiment of the present application.
Reference numerals illustrate: 11. a hand-held part; 12. a force application part; 13. a battery section; 14. a battery mounting cavity; 141. a clamping block; 142. a clamping groove; 15. a holding cavity; 150. a circuit board; 151. a circuit board mounting block; 152. a limit groove; 153. a mounting block; 1531. a overhanging mouth; 154. a mounting groove; 155. a charging port; 16. a drive chamber; 17. a separation block; 18. thumb grooves; 19. a limiting block; 21. fixing the half shell; 22. assembling the half shells; 3. a storage battery; 31. a mounting sleeve; 32. a card; 4. a stepless speed regulating switch; 41. a controller; 42. a button; 421. a friction hole; 43. a button hole; 44. holding the skin; 45. a reed mounting protrusion; 46. a reed; 47. an extrusion column; 48. rubber leather; 5. a motor; 6. a gear box; 7. a batch nozzle; 71. a mounting base; 711. a head-cutting hole; 712. a clamping block chute; 72. screwing the head; 721. a threaded ring; 722. a rotating sleeve; 7221. a driving block; 73. a clamping block; 74. a mounting shell; 75. a sleeve hole; 76. a lock sleeve; 77. folding edges; 78. a return spring; 79. a magnet; 8. a charging assembly; 81. Type-C interface; 82. an interface circuit board; 91. a closing plate; 92. a slide button; 93. unlocking grooves; 94. a toggle plate; 95. a connecting column; 96. a push rod; 97. and (3) a spring.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-9.
The embodiment of the application discloses a handheld electric screwdriver.
Referring to fig. 1 and 2, a hand-held electric screwdriver comprises a housing, a storage battery 3, a stepless speed regulating switch 4, a motor 5, a gear box 6 and a batch nozzle 7 positioned outside the housing, wherein a charging assembly 8 for charging the storage battery 3 is further arranged in the housing, the storage battery 3 is connected with the stepless speed regulating switch 4 and the motor 5 through a circuit board 150, the storage battery 3 supplies power to the motor 5, the motor 5 drives the batch nozzle 7 to rotate through the gear box 6, the stepless speed regulating switch 4 is used for controlling the opening and closing and the positive and negative rotation of the motor 5, and the batch nozzle 7 is used for batch head installation.
Referring to fig. 1 and 2, the housing includes a hand-held portion 11, a force applying portion 12 and a battery portion 13 according to the position division, and the housing is assembled by two symmetrically arranged half-shells, wherein the two half-shells are provided with the hand-held portion 11, the force applying portion 12 and one half of the battery portion 13, namely, the hand-held portion 11, the force applying portion 12 and the battery portion 13 are assembled by the two half-shells, the hand-held portion 11 and the force applying portion 12 are in a certain angle, the battery portion 13 is arranged at one end of the hand-held portion 11 far away from the force applying portion 12, the battery portion 13 is parallel to the force applying portion 12, the length of the battery portion 13 is larger than the width of the hand-held portion 11, and part of the battery portion 13 protrudes out of the hand-held portion 11 along the direction from the hand-held portion 11 to the screwdriver 7, and the battery portion 13 itself extends in a plate shape, so that the electric screwdriver can be placed on the ground by the battery portion 13 to keep balance.
One side of the hand-held part 11, which is close to the battery part 13 and is far away from the batch nozzle 7, is provided with a charging port 155, one side of the hand-held part 11, which is close to the force application part 12 and is far away from the batch nozzle 7, is provided with a thumb groove 18, when the electric screwdriver is held, the thumb is positioned in the thumb groove 18, and the hand part mainly covers the side wall of one half shell of the holding part to expose the charging port 155.
Wherein, the two half shells are respectively provided with a fixed half shell 21 and an assembled half shell 22 and are fixed by screws.
Referring to fig. 2, the cavity inside the battery part 13 is set as a battery mounting cavity 14 for mounting the storage battery 3, the cavity inside the hand-held part 11 is set as a holding cavity 15 for mounting the stepless speed regulating switch 4 and the circuit board 150 in a vertically arranged manner, and the cavity inside the force application part 12 is set as a driving cavity 16 for mounting the motor 5 and the gear box 6 in sequence.
Referring to fig. 2 and 3, the storage battery 3 is composed of two rechargeable lithium batteries and is arranged side by side along the width direction of the battery portion 13, the two ends of the storage battery 3 are sleeved with the mounting sleeves 31, the fixed half-shell 21 is provided with the separation block 17 in an integrally protruding manner at the junction of the battery mounting cavity 14 and the holding cavity 15, the separation block 17 is provided with the clamping groove 142 towards the side wall of the battery mounting cavity 14, the cavity wall of the battery mounting cavity 14 is provided with the clamping block 141 in a protruding manner, the clamping block 141 is also provided with the clamping groove 142, three clamping blocks 141 in the embodiment are arranged, the upper side wall and the lower side wall of the two mounting sleeves 31 are protruding and are provided with the clamping pieces 32 extending along the arrangement direction of the rechargeable lithium batteries, and the four clamping pieces 32 are slidably arranged in the four clamping grooves 142 in a one-to-one correspondence manner.
Referring to fig. 2, 3 and 4, the fixed half-shell 21 is provided with a circuit board mounting block 151 protruding from the holding cavity 15, the side walls of the circuit board mounting block 151 opposite to the separation block 17 are provided with limiting grooves 152, two ends of the circuit board 150 are respectively slidably mounted in the two limiting grooves 152, and the circuit board 150 is mounted and fixed, wherein the stepless speed regulating switch 4 is located on one side of the circuit board mounting block 151 far away from the separation block 17 and is embedded and fixed on the fixed half-shell 21.
Referring to fig. 2 and 3, the charging assembly 8 includes a Type-C interface 81 and a corresponding interface circuit board 82, a mounting block 153 is integrally provided in the holding cavity 15 by the fixing half-shell 21, two inner walls intersecting with the fixing half-shell 21 are integrally fixed by the mounting block 153, a mounting groove 154 for vertically overlapping and embedding the Type-C interface 81 and the interface circuit board 82 is provided on the mounting block 153, a overhanging opening 1531 penetrating through the mounting groove 154 is provided on a side wall of the mounting block 153 facing the circuit board 150, a part of the interface circuit board 82 protrudes out of the overhanging opening 1531, a limiting block 19 is provided on a cavity wall of the holding cavity 15 in a protruding manner, the limiting block 19 is located between the circuit board 150 and the interface circuit board 82, and the limiting block 19 is located only in a part of the interface circuit board 82.
Referring to fig. 3 and 5, the mounting blocks 153 and the limiting blocks 19 are correspondingly arranged on the assembled half shell 22, so that the interface circuit board 82 is exposed between the two limiting blocks 19, wires which are convenient to connect are arranged, and the separation blocks 17 and the circuit board mounting blocks 151 are not arranged on the assembled half shell 22, so that the wires which are connected can travel wires inside the assembled half shell 22, and the wires which are difficult to obstruct can travel wires when being assembled conveniently.
Half of the charging port 155 is formed in the mounting groove 154 which is formed in the other half of the fixing half shell 21, is formed in the assembling half shell 22 and is communicated with the two mounting blocks 153, so that the opening of the Type-C interface 81 is exposed towards the charging port 155.
Referring to fig. 2 and 5, the stepless speed regulating switch 4 comprises a controller 41 and a button 42 for operating the controller 41, wherein the controller 41 is arranged in the holding cavity 15, and a button hole 43 for the button 42 to slide out of the shell partially is formed on one side of the holding part opposite to the thumb groove 18; the holding part is provided with a holding leather 44 at one side close to the batch nozzle 7, the edge of the holding leather 44 is fixed with the holding part in an adhesive manner, a reed installation protrusion 45 is arranged in the holding cavity 15, two reed installation protrusions 45 are arranged at the upper side and the lower side respectively, a reed 46 is arranged between the two reed installation protrusions 45, the edge of the reed 46 close to the reed installation protrusion 45 is bent in a hook shape, and the reed installation protrusion 45 is provided with a groove for clamping in the edge of the reed 46 bent in a hook shape, so that the reed 46 can deform and reset.
The inner wall of the holding skin 44 is provided with a squeezing column 47, the squeezing column 47 slides to penetrate through the holding part and enter the holding cavity 15, a rubber skin 48 is arranged in the wall of the holding part, the upper part of the rubber skin 48 penetrates through and obliquely enters the button hole 43, the lower part of the rubber skin 48 is positioned between the reed 46 and the wall of the holding cavity 15, the squeezing column 47 is abutted against the rubber skin 48, the rubber skin 48 is abutted against the reed 46, meanwhile, the lower side wall of the button 42 is provided with a friction hole 421 (compared with fig. 6) for the rubber skin 48 to enter, the friction hole 421 is obliquely arranged, the oblique direction is the direction of the button 42 moving out of the button hole 43, and the rubber skin 48 is obliquely stretched into the friction hole 421.
The grip skin 44, the rubber sheet, the reed 46 and the reed 46 mounting seat 71 are respectively provided with two sets of fixing half-shells 21 and assembling half-shells 22.
The holding cavity 15 is internally and slidably provided with a sealing plate 91 for sealing the charging port 155, the specific installation mode is that a groove for sliding the sealing plate 91 is formed in one side, close to the charging port 155, of the mutually abutting edge of the fixed half shell 21 and the spliced half shell 22, simultaneously, a sliding button 92 is arranged on the sealing plate 91, the holding part is provided with an unlocking groove 93 for exposing and vertically sliding the sliding button 92, and the unlocking groove 93 is also formed in the mode of being half-opened on the fixed half shell 21 and the holding half shell; the closing plate 91 is circular arc, the closing plate 91 is provided with a stirring plate 94 towards the side wall of the rubber sheet 48 in a overhanging manner, meanwhile, a certain gap is reserved between the circuit board 150 and the cavity wall of the holding cavity 15, the stirring plate 94 is provided with a hole for the circuit board 150 to pass through, one side of the stirring plate 94 between the reed 46 and the circuit board 150 is rotationally connected in the holding cavity 15, so that the stirring plate 94 can rotate around the side, and the closing plate 91 is movably mounted between the fixed half shell 21 and the assembled half shell 22 along the length direction of the stirring plate 94, so that the rotation of the stirring plate 94 is not hindered.
The specific rotation mode of the toggle plate 94 is that the fixed half shell 21 and the assembled half shell 22 are oppositely provided with connecting columns 95 in a overhanging manner for screw fixation, the toggle plate 94 is semi-wrapped and sleeved on one of the connecting columns 95, and meanwhile, the upper plate surface of one side of the toggle plate 94 which is in rotation connection is provided with a push rod 96 in an extending manner towards the direction of the reed 46; when the closing plate 91 moves up to no longer close the charging port 155, the ejector 96 abuts and restricts the deformation of the reed 46; meanwhile, a corresponding connecting column 95 is also arranged above the stirring plate 94 and close to one side of the sealing plate 91, a spring 97 is clamped between the connecting column 95 and the stirring plate 94, automatic resetting of the sealing plate 91 and the stirring plate 94 is achieved, and the stirring plate 94 and the corresponding connecting column 95 are oppositely hung and stretched to be provided with protrusions for sleeving the spring 97, so that the installation stability of the spring 97 is maintained.
It should be noted that, in order to ensure smooth rotation of the toggle plate 94, the toggle plate 94 is made of a material with suitable deformability, such as soft plastic or hard rubber, so that the toggle plate 94 can be prevented from being clamped by a certain micro deformation during toggling.
Referring to fig. 7 and 8, the batch nozzle 7 has two forms, one of which is: the batch nozzle 7 comprises a mounting seat 71, a screwing head 72 and clamping blocks 73, wherein the mounting seat 71 is provided with a batch head hole 711 for batch head installation, at least two clamping blocks 73 are circumferentially distributed along the mounting seat 71, three clamping blocks 73 are arranged in the embodiment, the wall of the mounting seat 71 in the batch head hole 711 is provided with clamping block sliding grooves 712 for sliding installation of the clamping blocks 73, the clamping block sliding grooves 712 are gradually far away from the axial direction of the batch head hole 711 along the direction from the opening of the batch head hole 711 to the bottom of the hole, and when three clamping blocks 73 slide out from the three clamping block sliding grooves 712 at the same time, the end parts of the three sliding blocks 73 can be used for clamping the batch head.
The screwing head 72 includes a threaded ring 721 and a rotating sleeve 722, the peripheral wall of the mounting seat 71 is provided with a ring groove and is communicated with three clamping block sliding grooves 712, the threaded ring 721 is composed of a plurality of fan rings, in this embodiment, the number of the fan rings is four, the four fan rings are installed in the ring groove provided on the peripheral wall of the mounting seat 71 and can rotate, the inner wall of the threaded ring 721 is inclined and is engaged with the three clamping blocks 73, so that the rotation of the threaded ring 721 can drive the clamping blocks 73 to slide in the clamping block sliding grooves 712, the rotating sleeve 722 is sleeved outside the mounting seat 71 and is provided with driving blocks 7221 clamped into the ring groove provided on the peripheral wall of the mounting seat 71, and the rotating sleeve 722 can drive the threaded ring 721 to rotate through the driving blocks 7221, in this embodiment, the rotating sleeve 722 is provided with four driving blocks 7221 and is clamped and matched with the four parts of the threaded ring 721 in a one-to-one correspondence manner.
Referring to fig. 9 and 10, two: the batch nozzle 7 comprises a mounting shell 74 driven by the gear box 6, the mounting shell 74 is provided with a sleeve hole 75, the sleeve hole 75 is a stepped hole and is internally provided with a stepped surface, a plurality of lock sleeves 76 are installed in the sleeve hole 75 in a sliding manner in an overlapping manner, each lock sleeve 76 is a regular hexagon shell, one end of each lock sleeve 76 positioned in the sleeve hole 75 is outwards turned to be provided with a folded edge 77, the folded edges 77 between adjacent lock sleeves 76 are mutually abutted, the outer diameters of all the folded edges 77 are equal, the folded edge 77 of the largest-size lock sleeve 76 is abutted against the stepped surface of the sleeve hole 75, and a reset spring 78 is clamped between the folded edge 77 of the smallest-size lock sleeve 76 and the bottom of the sleeve hole 75; the bottom of the sleeve hole 75 is provided with a magnet 79, and the magnet part extends into the hexagonal hole of the smallest-sized lock sleeve 76, so that after the screwdriver bit is inserted, the screwdriver bit is attracted by the magnet 79 to overcome the elastic force of the reset spring 78.
The implementation principle of the handheld electric screwdriver in the embodiment of the application is as follows: when the user holds the hand-held part 11, the thumb is positioned in the thumb groove 18, the index finger is operated, and the hand is not easy to cover the position of the charging port 155 at this time, so that the hand can not influence the insertion of the charging connector when holding the screwdriver for charging, and the electric screwdriver can be vertically placed through the battery part 13 for charging, and meanwhile, the taking gesture is not influenced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (5)
1. A hand-held electric screwdriver, characterized in that: the electric screwdriver comprises a shell, a storage battery (3), a stepless speed regulating switch (4), a motor (5), a gear box (6), a charging assembly (8) and a screwdriver nozzle (7) which are arranged outside the shell, wherein the storage battery (3) is connected with the stepless speed regulating switch (4) and the motor (5) through a circuit board (150) for control, the shell comprises a handheld part (11), a force application part (12) and a battery part (13), the handheld part (11) and the force application part (12) form a certain angle, the battery part (13) is arranged at one end, far away from the force application part (12), of the handheld part (11), the battery part (13) is parallel to the force application part (12), and the gravity center of the electric screwdriver is positioned above the battery part (13) when the electric screwdriver is placed through the battery part (13).
A battery mounting cavity (14) for mounting the storage battery (3) is arranged in the battery part (13), and a holding cavity (15) for mounting the stepless speed regulating switch (4) and the circuit board (150) is arranged up and down in the handheld part (11);
the charging assembly (8) is arranged in the holding cavity (15) to charge the storage battery (3), a charging port (155) is formed in one side, far away from the batch nozzle (7), of the handheld part (11), which is close to one end of the force application part (12), and a thumb groove (18) is formed in one side, far away from the batch nozzle (7), of the handheld part (11);
the utility model discloses a battery pack charging device, including circuit board (150), handle chamber (15) chamber wall is equipped with supplies spacing groove (152) of spacing installation of circuit board (150), handle chamber (15) in charging port (155) position still is equipped with installation piece (153), install piece (153) offer supply install groove (154) that subassembly (8) are inlayed, subassembly (8) are charged include Type-C interface (81) and interface circuit board (82), install piece (153) orientation the lateral wall of circuit board (150) has seted up link up overhang mouth (1531) of installation groove (154), interface circuit board (82) part protrusion overhang mouth (1531), handle chamber (15) chamber wall protrusion is equipped with stopper (19), stopper (19) are located between circuit board (150) and interface circuit board (82).
2. A hand-held power screwdriver as defined in claim 1, wherein: the hand-held part (11) is provided with a holding skin (44) at one side close to the batch nozzle (7), the stepless speed regulating switch (4) comprises a controller (41) and a button (42), and a button hole (43) for the button (42) to protrude is formed at one side of the hand-held part (11) close to one end of the force application part (12) close to the batch nozzle (7);
install reed (46) in holding chamber (15), it is equipped with extrusion post (47) to hold skin (44) inner wall, extrusion post (47) slip run through handheld portion (11) and get into hold in chamber (15), install rubber (48) in the wall of handheld portion (11), rubber (48) are located partly button hole (43), partly be located reed (46) with hold between chamber (15) chamber wall, just extrusion post (47) butt rubber (48).
3. A hand-held power screwdriver as defined in claim 2, wherein: the button (42) is provided with a friction hole (421) for the rubber skin (48) to enter, the friction hole (421) is obliquely arranged, the oblique direction is the direction in which the button (42) moves out of the button hole (43), and the rubber skin (48) obliquely stretches into the friction hole (421).
4. A hand-held power screwdriver as defined in claim 2, wherein: the utility model discloses a charging device, including holding chamber (15), sealing board (91) of mouth (155) charges is installed in sliding in holding chamber (15), be equipped with slide button (92) on sealing board (91), hand portion (11) are offered and are supplied slide button (92) exposes and unlocking groove (93) of vertical sliding, be equipped with in holding chamber (15) along with sealing board (91) moves up and butt ejector pin (96) of reed (46).
5. The hand-held power screwdriver of claim 4, wherein: the sealing plate (91) is arc-shaped, the sealing plate (91) stretches towards the side wall of the rubber sheet (48) in a hanging mode, the stirring plate (94) is far away from one end of the sealing plate (91) and is rotationally connected in the holding cavity (15), and the ejector rod (96) is arranged on the sealing plate (91) and extends towards the rubber sheet (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210720866.4A CN115070659B (en) | 2021-12-23 | 2021-12-23 | Hand-held electric screwdriver |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111595727.5A CN114454114B (en) | 2021-12-23 | 2021-12-23 | Hand-held electric screwdriver |
| CN202210720866.4A CN115070659B (en) | 2021-12-23 | 2021-12-23 | Hand-held electric screwdriver |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111595727.5A Division CN114454114B (en) | 2021-12-23 | 2021-12-23 | Hand-held electric screwdriver |
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| Publication Number | Publication Date |
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| CN115070659A CN115070659A (en) | 2022-09-20 |
| CN115070659B true CN115070659B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210720866.4A Active CN115070659B (en) | 2021-12-23 | 2021-12-23 | Hand-held electric screwdriver |
| CN202111595727.5A Active CN114454114B (en) | 2021-12-23 | 2021-12-23 | Hand-held electric screwdriver |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111595727.5A Active CN114454114B (en) | 2021-12-23 | 2021-12-23 | Hand-held electric screwdriver |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114454114B (en) | 2022-09-02 |
| CN114454114A (en) | 2022-05-10 |
| CN115070659A (en) | 2022-09-20 |
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