CN107009308B - Hand-held efficient manual screwdriver - Google Patents
Hand-held efficient manual screwdriver Download PDFInfo
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- CN107009308B CN107009308B CN201710274932.9A CN201710274932A CN107009308B CN 107009308 B CN107009308 B CN 107009308B CN 201710274932 A CN201710274932 A CN 201710274932A CN 107009308 B CN107009308 B CN 107009308B
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- frame
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- 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
- B25B17/00—Hand-driven gear-operated wrenches or screwdrivers
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- 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
- B25B23/0007—Connections or joints between tool parts
-
- 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
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/12—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using magnetic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a hand-held efficient manual screwdriver which comprises a frame, a screw and a gear track, wherein the frame is provided with a screw hole; the frame is provided with a handle capable of sliding up and down along the vertical direction of the frame, the handle is provided with a reversing switch, the screw rod and the gear track vertically penetrate through the handle and the reversing switch, the reversing switch is provided with a direction button capable of changing the movement direction of the screw rod, the reversing switch can slide on the gear track, a spring is arranged between the handle and the bottom of the frame, and the screw rod is provided with a tool bit interface. The screwdriver can realize continuous and one-way rotation of the screw rod through simple and repeated holding modes, greatly improves the efficiency of manually fastening and loosening the bolt, and improves the operation force. Meanwhile, the screwdriver is low in manufacturing cost, simple to manufacture and efficient to operate, can provide large rotating torque, is easy to store an additionally equipped extension rod and a screwdriver head in the screwdriver body, and can completely replace most of manual screwdrivers in the market.
Description
Technical Field
The invention relates to the field of hardware tools, in particular to a hand-held efficient manual screwdriver.
Background
The existing manual screwdriver is simple in structure, low in operation efficiency, small in diameter of a screwdriver handle, small in torsion, and capable of preventing the screwdriver and various additionally-equipped screwdriver bits from being integrally stored, so that the additionally-equipped screwdriver bits are very easy to lose.
Disclosure of Invention
In order to solve the technical problems, the invention provides the hand-held efficient manual screwdriver which is very efficient, simple to operate and comfortable to use, and provides larger torque during operation.
The invention is realized by the following technical scheme:
a hand-held efficient manual screwdriver comprises a frame, a screw and a gear track; the frame is provided with a handle capable of sliding up and down along the vertical direction of the frame, the handle is provided with a reversing switch, the screw rod and the gear track vertically penetrate through the handle and the reversing switch, the reversing switch is provided with a direction button capable of changing the movement direction of the screw rod, the reversing switch can slide on the gear track, a spring is arranged between the handle and the bottom of the frame, and the screw rod is provided with a tool bit interface.
Two horizontal gears and a vertical gear which are meshed in a 45-degree umbrella shape are arranged in the reversing switch, the screw rod penetrates through the axis of the horizontal gear, and the vertical gear can be arranged in the gear track in an up-and-down motion mode.
The gear track is provided with two grooves for the vertical gear to move, teeth or tooth holes are arranged on one side in the grooves, a gear track partition beam is further arranged between the two movement grooves of the gear track, the vertical gear is connected with a direction button capable of pushing the vertical gear to move in the two movement grooves, and the vertical gear can move up and down and is installed in the movement grooves of the gear track.
The vertical gear comprises a main gear, a ratchet wheel and an auxiliary gear; the main gear is sequentially provided with a ratchet wheel and an auxiliary gear, the ratchet wheel is provided with a pawl, the tail end of a bearing of the main gear is provided with a slide rod track and a direction button capable of pushing the slide rod track to move in a motion groove of the gear track, the slide rod is arranged in the slide rod track and is arranged on a reversing switch, and the auxiliary gear can be vertically arranged in the motion groove of the gear track.
The gear track is a groove for the vertical gear to move, teeth or tooth holes are arranged on two sides in the groove, and two pinions which are matched with the vertical gear and provided with ratchet wheels are arranged on the vertical gear.
The lower half part of the screw rod is provided with a convex groove or a tooth, the horizontal gear penetrates through the part to drive the screw rod to synchronously rotate with the horizontal gear, the upper half part of the screw rod is circular, the bottom of the screw rod is embedded at the bottom of the frame, and the top of the screw rod is provided with a tool bit interface.
And a gear track reinforcing beam can be arranged on the gear track frame.
The frame on be provided with the frame and separate the roof beam, be formed with the tool bit storage box between frame partition beam and the frame.
The frame both sides be provided with frame handle track, the handle is inlayed in the frame handle track of frame both sides, fixes handle and frame at a plane, the spring is located between reversing switch and the frame bottom, the handle is collapsible handle.
And a magnet or a strong magnetic rod is embedded on the tool bit interface.
The frame is provided with a screw rod, a gear track and a locking device, wherein the part of the frame, through which the screw rod and the gear track pass, is provided with a track for the screw rod and the gear track to move, and the frame is also provided with the locking device for locking the positions of the gear track and the screw rod.
And a locking button which can lock the screw rod after being pressed down is also arranged on the frame or the reversing switch.
The locking button is arranged on the frame separation beam.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a hand-held efficient manual screwdriver which is very efficient, simple to operate and comfortable to use, and relates to the field of hardware tools. Provide great moment during the operation, and can deposit the tool bit and the extension rod of extra outfit in screwdriver this is internal, be difficult for losing.
The hand-held efficient manual screwdriver provided by the invention is low in manufacturing cost, simple to manufacture, efficient to operate, capable of providing larger rotating torque, easy to store an additionally-arranged extension rod and a tool bit in the screwdriver body, and capable of completely replacing most of manual screwdrivers in the market.
Drawings
FIG. 1 is a first schematic structural view of a hand-held high-efficiency manual screwdriver provided by the invention;
FIG. 2 is a schematic structural view of the hand-held high-efficiency manual screwdriver according to the present invention after the position of the screw is changed;
FIG. 3 is a schematic view of an external structure of the handle of the hand-held high-efficiency manual screwdriver provided by the invention;
fig. 4 is an external structure schematic diagram of the reversing switch (3) in fig. 1-3;
FIG. 5 is a top view of the horizontal gear;
FIG. 5-1 is a bottom plan view of the horizontal gear;
FIG. 6 is an exploded view of the vertical gear components;
FIG. 6-1 is a vertical gear side view;
FIG. 6-2 is a vertical gear front view;
FIG. 7 is a schematic view of the reversing switch of FIGS. 1-3 coupled to the screw and gear track;
FIG. 8 is a schematic side view of the reversing switch of FIGS. 1-3 coupled to a gear track;
FIG. 9 is a schematic view of view B of FIG. 8;
FIG. 10 is a schematic view taken from perspective A of FIG. 8;
FIG. 11 is a first schematic view of a gear track configuration;
FIG. 11-1 is a schematic view of a gear track configuration II;
FIG. 12 is a first schematic view of the handle structure;
FIG. 12-1 is a second schematic view of the handle structure;
FIG. 13 is a schematic view of a screw structure
FIG. 14 is a schematic view of a structure for changing the screw direction using a small gear with a ratchet
FIG. 15 is a schematic structural view of a second hand-held high-efficiency manual screwdriver according to the present invention;
fig. 16 is a first schematic view of a frame structure of the hand-held high-efficiency manual screwdriver shown in fig. 15;
fig. 17 is a schematic view of a second frame structure of the hand-held high-efficiency manual screwdriver shown in fig. 15.
Wherein, 1 is a frame; 1-1 is a frame handle track; 1-2 is a frame bearing; 1-3 is a frame separation beam; 1-4 are frame beam-isolating bearings; 1-5 is a frame bottom bearing; 2 is a locking button; 3 is a reversing switch; 3-1 is a handle hole of a direction switch; 3-2 is a direction switch gear track hole; 3-3 is a screw hole of a direction switch; 3-4 are direction buttons; 3-5 are horizontal gears; 3-6 are vertical gears; 3-6-1 is a main gear; 3-6-2 is a slide rod track; 3-6-3 is a ratchet wheel; 3-6-4 is a pawl; 3-6-5 is an auxiliary gear; 3-9 is a slide rod; 4. is a handle; 5 is a screw rod; 5-1 is screw teeth; 6 is a spring; 7 is a tool bit interface; 7-1 is a strong magnetic rod; 8 is a tool bit storage box; 9 is a gear track; 9-3 is a gear track spacer beam.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
Referring to fig. 1 to 17, a hand-held high-efficiency manual screwdriver comprises a frame 1, a screw 5 and a gear track 9; a handle 4 capable of sliding up and down along the vertical direction of the frame 1 is installed on the frame 1, a reversing switch 3 is installed on the handle 4, a screw 5 and a gear rail 9 vertically penetrate through the handle 4 and the reversing switch 3, a direction button 3-4 capable of changing the moving direction of the screw is arranged on the reversing switch 3, the reversing switch 3 can slide on the gear rail 9, a spring 6 is installed between the handle 4 and the bottom of the frame, a cutter head interface 7 with an excircle and an inner square is arranged on the screw 5, and a magnet or a strong magnetic rod 7-1 is embedded on the cutter head interface 7 to increase the adsorbability of a cutter head; the screwdriver is characterized in that the frame 1 is provided with frame partition beams 1-3, a tool bit storage box 8 is formed between the frame partition beams 1-3 and the frame 1 and is positioned at the front half part of the screwdriver, the shape of the screwdriver is not limited, and the screwdriver is convenient for storing extension rods and various tool bits and can be omitted.
Wherein, two horizontal gears 3-5 and vertical gears 3-6 which are meshed with each other in a 45-degree umbrella shape are arranged in the reversing switch 3, the screw 5 passes through the axes of the horizontal gears 3-5, and the vertical gears 3-6 can be arranged in the gear track 9 in an up-and-down motion way. Wherein, the vertical gear 3-6 comprises a main gear 3-6-1, a ratchet wheel 3-6-3 and an auxiliary gear 3-6-5; the main gear 3-6-1 is sequentially provided with a ratchet wheel 3-6-3 and an auxiliary gear 3-6-5, the ratchet wheel 3-6-3 is provided with a pawl 3-6-4, the tail end of a bearing of the main gear 3-6-1 is provided with a slide rod track 3-6-2 and a direction button 3-4 capable of pushing the slide rod track to move in a motion groove of the gear track 9, a slide rod 3-9 is arranged in the slide rod track 3-6-2, the slide rod 3-9 is arranged on the reversing switch 3, and the auxiliary gear 3-6-5 can be vertically arranged in the motion groove of the gear track 9. The lower half part of the screw rod 5 is provided with a convex groove or tooth, the horizontal gear 3-5 penetrates through the part to drive the screw rod 5 and the horizontal gear 3-5 to synchronously rotate, the upper half part of the screw rod 5 is circular, the bottom of the screw rod 5 is embedded at the bottom of the frame, the top of the screw rod 5 is provided with a cutter head interface 7, and the part penetrating through the frame 1 is provided with a bearing.
The gear track 9 is provided with two grooves for the vertical gears 3-6 to move, teeth or tooth holes are arranged on one side in the grooves, a gear track partition beam 9-3 is further arranged between the two movement grooves of the gear track 9, the vertical gears 3-6 are connected with direction buttons 3-4 capable of pushing the vertical gears to move in the two movement grooves, the vertical gears 3-6 can be installed in the movement grooves of the gear track 9 in an up-and-down movement mode, and gear track reinforcing beams 9-4 can be further arranged on the frame of the gear track 9.
Or the gear track 9 is a groove for the vertical gear 3-6 to move, teeth or tooth holes are arranged on two sides in the groove, and two pinions with ratchet wheels matched with the vertical gear 3-6 are arranged on the vertical gear 3-6.
The frame is characterized in that frame handle rails 1-1 are arranged on two sides of the frame 1, the handle 4 is embedded in the frame handle rails 1-1 on the two sides of the frame 1, the handle 4 and the frame 1 are fixed on a plane, and the spring 6 is located between the reversing switch and the bottom of the frame.
Further, the handle 4 can be arranged outside the frame 1, the width of the frame 1 becomes very narrow, the handle 4 can also adopt a foldable design, and the volume of the folded cover screwdriver is very small and is very similar to that of a traditional screwdriver.
Furthermore, the part of the frame 1 through which the screw 5 and the gear track 9 pass is provided with tracks for the screw 5 and the gear track 9 to move, the frame 1 is further provided with a locking device for locking the positions of the gear track and the screw 5, the screw 5 can be moved from the central position of the frame 1 to one side of the frame 1 after the locking device is loosened, then the locking device is locked, the shape of the screwdriver is changed, and the screwdriver can be used in a narrow environment.
The frame 1 or the reversing switch 3 is further provided with a locking button 2 which can lock the screw rod 5 after being pressed down, the screw rod 5 can be locked after the locking button 2 is pressed down, and the specific locking mode is not limited. Specifically, the locking button is arranged on the frame separation beam.
In particular to a hand-held high-efficiency manual screwdriver, wherein a bit storage box 8 is an unnecessary accessory. The handle 4 is embedded in the frame handle rails 1-1 at the two sides of the frame 1, and the reversing switch 3 horizontally passes through the handle rails and moves up and down along with the handle 4; the screw 5 and the gear track 9 vertically penetrate through the reversing switch 3; the spring 6 is positioned between the reversing switch and the bottom of the frame and can penetrate through the screw rod 5 or the gear rail 9, the locking button is arranged on the frame separation beam 1-3 or the reversing switch 3, and the reversing switch 3 automatically triggers the locking screw rod 5.
The reversing switch 3 can change the rotation direction of the screw 5 and keep the screw 5 still when the handle is reset upwards.
The reversing switch 3 is effectively matched with the gear track 9, so that when the handle is held down to move, the screw rod rotates, when the handle is reset, the screw rod is not moved, and meanwhile, after the reversing switch 3 presses the direction button 3-4, the rotation direction of the screw rod 5 is changed.
Two gears which are meshed in a 45-degree umbrella shape are arranged in the reversing switch 3, a horizontal gear 3-5 and a vertical gear 3-6 are arranged in the reversing switch, and a screw 5 penetrates through the axes of the horizontal gear 3-5; when the handle 4 moves downwards, the handle 4 drives the vertical gears 3-6 to move downwards along the gear track 9, the vertical gears 3-6 drive the horizontal gears 3-5 penetrating through the screw 5 to rotate, and the horizontal gears 3-5 drive the screw 5 to rotate. When the handle 4 is loosened, the spring 6 drives the handle 4 to reset, the ratchet wheel on the vertical gear 3-6 rotates, the vertical gear 3-6 does not rotate, and therefore the screw 5 is kept to be fixed; the vertical gears 3-6 move in the gear track 9, the gear track 9 is provided with two grooves for the vertical gears 3-6 to move, teeth or tooth holes are arranged on the single side of each groove, and the vertical gears 3-6 are pushed to move in different grooves of the gear track 9 after the direction buttons 3-4 are pressed down, so that the screw 5 can generate different rotating directions; after the reversing switch 3 is reset, the locking button 2 can be triggered to be pressed down, so that the screw rod is automatically locked. Or the gear track 9 without a partition beam can be adopted, teeth or tooth holes are arranged on two sides of the gear track 9, and the vertical gears 3-6 are matched with two pinions with ratchet wheels to realize the unidirectional rotation of the vertical gears 3-6. The downward movement of the handle 4 is converted into the rotation of the screw rod 5 by adopting two bevel gears with 45 degrees in the reversing switch 3.
Furthermore, grooves, tracks or sliding rods for moving the handles 4 are arranged on two sides of the frame 1, and the handles 4 and the frame 1 are fixed on a plane or not. The shape of the handle 4 is approximately a horizontal bar, and the specific form is not limited. The handle 4 passes through the reversing switch 3 and the gear track 9, and both sides of the handle are fixed on the groove, the track or the sliding rod of the frame 1 and can move up and down along the groove, the track or the sliding rod.
The gear track 9 is provided with two grooves for vertical gear 3-6 to move, the grooves are separated by gear track partition beams 9-3, one side of each groove is provided with teeth or tooth holes, the grooves are integrally fixed in the frame 1, the vertical gears 3-6 in the reversing switch 3 move in different grooves to generate different rotating directions, and gear track reinforcing beams 9-4 can be arranged to increase the stability of the gear track partition beams 9-3.
More specifically, frame 1 has frame handle tracks 1-1 on both sides of the frame, along which the handle 4 can move up and down. Bearings are arranged on the top of the frame 1 and the frame partition beams 1-3, and the screw rod penetrates through the frame bottom bearings 1-5, the frame partition beam bearings 1-4 and the frame bearings 1-2 respectively. The frame partition beams 1-3 are provided with locking buttons 2, and when the reversing switch 3 is pushed to the top by the spring 6, the reversing switch can be triggered to act to lock the screw. The frame handle track 1-1 may not be provided. The locking button 2 is positioned on the inner side of the frame separation beam 1-3, the screw rod is locked after being triggered, and the locking button 2 is automatically triggered by the reversing switch 3. The locking button 2 can also be arranged on the reversing switch 3. A horizontal gear 3-5, a vertical gear 3-6, a sliding rod 3-9 and a direction button 3-4 are arranged in the reversing switch 3. The horizontal gear 3-5 is meshed with the vertical gear 3-6, and one or more notches are formed in the horizontal gear 3-5 and meshed with teeth on the screw 5. The rotation direction of the horizontal gear 3-5 can be changed by changing the position of the vertical gear 3-6 in the gear track 9 through the direction button 3-4 and changing the rotation direction of the vertical gear 3-6. After the direction button 3-4 is pressed down, the rotation direction of the ratchet wheel is changed at the same time, so that the vertical gear 3-6 is not moved when the handle 4 moves towards the frame separation beam 1-3. In order to ensure that the screw rod rotates asynchronously when the handle 4 moves upwards, damping can be added in a bearing of the frame 1, and the vertical gears 3-6 are driven to rotate by weak friction force generated by the upward movement of the handle 4, or a very simple locking part can be arranged in the reversing switch 3. A sliding rod 3-9 is arranged inside the reversing switch 3, the sliding rod 3-9 penetrates through a sliding rod hole in the vertical gear 3-6, and the vertical gear 3-6 is driven to slide along the sliding rod 3-9 through a direction button 3-4. The handle 4 is positioned within the frame and is movable along the bezel handle track 1-1. It may be set shorter and only need to move along the screw 5 and the gear track 9. The handle 4 is provided with a handle screw hole 4-1 and a handle gear track hole 4-2, and the screw 5 and the gear track 9 respectively penetrate through the handle 4. One end of a screw 5 is fixed on a bearing 1-5 at the bottom of the frame, passes through a reversing switch screw hole 3-3 and a handle screw hole 4-1 in the reversing switch 3 and the handle 4, and then passes through a frame spacer beam screw hole 1-4 and a frame top bearing 1-2. The screw rod is divided into an upper part and a lower part, and one or more bulges or teeth are arranged on the screw rod at the part below the frame partition beam. The spring 6 is inlaid at the bottom of the frame 1 and wraps the screw rod 5 or the gear track 9. The cutter head interface 7 is positioned at one end of the screw rod 5, and can be not arranged, and only one cutter head is used. The cutter head storage box 8 is positioned between the top of the side frame 1 and the frame partition beams 1-3, and can be used for storing extension rods and various cutter heads without being arranged. The gear track 9 is positioned between the bottom of the frame 1 and the frame partition beam 1-3 and passes through the reversing switch 3, a reversing switch gear track hole 3-2 in the handle and a handle gear track hole 4-2. The gear track 9 is divided into two grooves by a gear track partition beam 9-3 with gear holes, a gap is reserved at the top of the gear track partition beam 9-3, and the vertical gear of the reversing switch 3 can pass through the gap and respectively move in different grooves to generate different rotating directions. Teeth may also be provided on either side of the gear track spacing 9-3 or on the inner side of the frame.
The invention provides a hand-held efficient manual screwdriver which is very efficient, simple to operate and comfortable to use, and relates to the field of hardware tools. Provide great moment during the operation, and can deposit the tool bit and the extension rod of extra outfit in screwdriver this is internal, be difficult for losing.
The hand-held efficient manual screwdriver provided by the invention is low in manufacturing cost, simple to manufacture, efficient to operate, capable of providing larger rotating torque, easy to store an additionally-arranged extension rod and a tool bit in the screwdriver body, and capable of completely replacing most of manual screwdrivers in the market.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A hand-held efficient manual screwdriver is characterized by comprising a frame (1), a screw (5) and a gear track (9); a handle (4) capable of sliding up and down along the vertical direction of the frame (1) is installed on the frame (1), a reversing switch (3) is installed on the handle (4), a screw rod (5) and a gear rail (9) vertically penetrate through the handle (4) and the reversing switch (3), a direction button (3-4) capable of changing the movement direction of the screw rod is arranged on the reversing switch (3), the reversing switch (3) can slide on the gear rail (9), a spring (6) is installed between the handle (4) and the bottom of the frame, and a tool bit interface (7) is arranged on the screw rod (5);
two horizontal gears (3-5) and vertical gears (3-6) which are meshed in a 45-degree umbrella shape are arranged in the reversing switch (3), the screw rod (5) penetrates through the axes of the horizontal gears (3-5), and the vertical gears (3-6) can be vertically arranged in the gear track (9);
the vertical gear (3-6) comprises a main gear (3-6-1), a ratchet wheel (3-6-3) and an auxiliary gear (3-6-5); the gear rack is characterized in that a ratchet wheel (3-6-3) and an auxiliary gear (3-6-5) are sequentially arranged on the main gear (3-6-1), a pawl (3-6-4) is arranged on the ratchet wheel (3-6-3), a slide rod track (3-6-2) and a direction button (3-4) capable of pushing the slide rod track to move in a motion groove of a gear track (9) are arranged at the tail end of a bearing of the main gear (3-6-1), a slide rod (3-9) is arranged in the slide rod track (3-6-2), the slide rod (3-9) is arranged on the reversing switch (3), and the auxiliary gear (3-6-5) can move up and down and is arranged in the motion groove of the gear track (9);
the gear track (9) is a groove for the vertical gear (3-6) to move, teeth or tooth holes are arranged on two sides in the groove, and two small gears which are matched with the vertical gear (3-6) and provided with ratchet wheels are arranged on the vertical gear (3-6).
2. The hand-held high-efficiency manual screwdriver according to claim 1, wherein the gear track (9) is provided with two grooves for the vertical gears (3-6) to move, one side of each groove is provided with teeth or tooth holes, a gear track spacer beam (9-3) is further arranged between the two moving grooves of the gear track (9), the vertical gears (3-6) are connected with direction buttons (3-4) capable of pushing the vertical gears to move in the two moving grooves, and the vertical gears (3-6) can be mounted in the moving grooves of the gear track (9) in an up-and-down motion mode.
3. The hand-held high-efficiency manual screwdriver according to claim 1, wherein the lower half part of the screw (5) is provided with a convex groove or tooth, the horizontal gear (3-5) penetrates through the part to drive the screw (5) and the horizontal gear (3-5) to rotate synchronously, the upper half part of the screw (5) is circular, the bottom of the screw (5) is embedded at the bottom of the frame, and the top of the screw (5) is provided with a tool bit interface (7).
4. The hand-held high-efficiency manual screwdriver according to claim 2, wherein a gear track reinforcing beam (9-4) is further arranged on the frame of the gear track (9).
5. The hand-held high-efficiency manual screwdriver according to claim 1, wherein the frame (1) is provided with frame separation beams (1-3), and a screwdriver bit storage box (8) is formed between the frame separation beams (1-3) and the frame (1).
6. The hand-held high-efficiency manual screwdriver according to claim 1, wherein frame handle rails (1-1) are arranged on two sides of the frame (1), the handle (4) is embedded in the frame handle rails (1-1) on the two sides of the frame (1), the handle (4) and the frame (1) are fixed on a plane, the spring (6) is located between the reversing switch and the bottom of the frame, and the handle (4) is a foldable handle.
7. The hand-held high-efficiency manual screwdriver according to claim 1, wherein a magnet or a strong magnetic rod (7-1) is embedded on the screwdriver bit interface (7).
8. The hand-held high-efficiency manual screwdriver according to claim 1, wherein the portions of the frame (1) through which the screw (5) and the gear rail (9) pass are provided with rails for the movement of the screw (5) and the gear rail (9), and the frame (1) is further provided with a locking device for locking the positions of the gear rail and the screw (5).
9. The hand-held high-efficiency manual screwdriver according to claim 1, wherein a locking button (2) capable of locking the screw (5) after being pressed down is further arranged on the frame (1) or the reversing switch (3).
10. The hand-held high efficiency manual screwdriver according to claim 9, wherein said locking button is disposed on the frame spacer.
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CN201710274932.9A CN107009308B (en) | 2017-04-25 | 2017-04-25 | Hand-held efficient manual screwdriver |
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CN107009308B true CN107009308B (en) | 2023-02-28 |
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CN2741723Y (en) * | 2004-08-18 | 2005-11-23 | 李宗阳 | Novel socket spanner |
CN201799967U (en) * | 2010-08-17 | 2011-04-20 | 王伯勇 | Dismantling device with replaceable working head |
CN202318138U (en) * | 2011-12-09 | 2012-07-11 | 叶思成 | Press type cross/straight screwdriver |
CN103707233A (en) * | 2014-01-24 | 2014-04-09 | 上海美瑞实业有限公司 | Ratchet wheel screw driver acting bidirectionally |
CN104015150A (en) * | 2014-06-19 | 2014-09-03 | 仲炳华 | Grip type screwdriver |
CN105082036A (en) * | 2015-08-24 | 2015-11-25 | 洪超 | Screwdriver driven by gear |
JP3203855U (en) * | 2016-02-08 | 2016-04-21 | 伯郎 朱 | Torque work tool |
CN205342947U (en) * | 2016-02-26 | 2016-06-29 | 孙东起 | Hand formula equalizer the tight regulation mechanism |
CN206029721U (en) * | 2016-08-12 | 2017-03-22 | 东华大学 | Two -way screwdriver of hand held |
CN206643832U (en) * | 2017-04-25 | 2017-11-17 | 王小东 | A kind of efficient hand screwdriver of hand held |
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