CN220446337U - Ratchet electric screw driver with convenient gear switching - Google Patents

Abstract

The utility model provides a ratchet electric screwdriver with a convenient gear switching function, which relates to the technical field of electric tools and comprises a screwdriver head, an upper shell, a gear shifting assembly, a transmission assembly, two braking parts and a power output assembly, wherein both sides of the transmission assembly penetrate through the upper shell and extend out of the upper shell and are respectively fixedly connected with the inner side wall of the gear shifting assembly, the two braking parts are symmetrically arranged and respectively connected with both sides of the top of the power output assembly in a rotating way, the gear shifting assembly can drive the two braking parts to rotate so as to brake the transmission assembly, so that the screwdriver head forms a manual gear, and the gear shifting assembly can drive the transmission assembly to slide downwards so as to be connected with an output shaft of the power output assembly, so that the screwdriver head forms an electric gear; the ratchet electric screwdriver with the convenient gear switching function can complete the switching of the manual gear and the electric gear through one accessory, so that the gear switching of the electric screwdriver is faster and more convenient, and the user can conveniently use the ratchet electric screwdriver.

Description

Ratchet electric screw driver with convenient gear switching

Technical Field

The utility model relates to the technical field of electric tools, in particular to a ratchet electric screwdriver with convenient gear switching.

Background

The electric screwdriver, the alien electric screwdriver, the electric screwdriver, and the like is an electric tool for screwing and unscrewing screws. An electric screwdriver with a patent number of CN115533807A can switch electric or manual gears, but the switching process is required to be switched through two different accessories, so that a user is difficult to operate quickly in actual operation, and the convenient use is not facilitated.

Therefore, it is necessary to provide a ratchet electric screw driver for portable gear shifting to solve the inconvenient problem of gear shifting of the conventional electric screw driver.

Disclosure of Invention

In order to solve the above problems, the present utility model provides a ratchet electric screwdriver with convenient gear switching to solve the inconvenient gear switching problem of the conventional electric screwdriver.

The utility model is realized by the following technical scheme:

the utility model provides a portable gear-shifting ratchet electric screwdriver which comprises a screwdriver head, an upper shell, a gear shifting assembly, a transmission assembly, two braking parts and a power output assembly, wherein one end of the upper shell is fixedly connected to the top of the power output assembly, the screwdriver head is coaxial with an output shaft of the power output assembly and is rotationally connected with the top of the upper shell, the transmission assembly is slidably connected with one end of the screwdriver head and is positioned above the output shaft of the power output assembly, the gear shifting assembly is movably sleeved on the outer peripheral side of the upper shell, two sides of the transmission assembly penetrate through the upper shell and extend out of the upper shell and are respectively fixedly connected with the inner side wall of the gear shifting assembly, the two braking parts are symmetrically arranged and are respectively rotationally connected to the two sides of the top of the power output assembly, the inner sides of the braking parts face the transmission assembly, the outer sides of the braking parts protrude out of one side of the upper shell and are elastically abutted against the inner sides of the gear shifting assembly, the gear shifting assembly can drive the two braking parts to rotate so as to rotate so as to drive the two braking parts to rotate to drive the transmission assembly to form the gear shifting assembly, and the power output assembly can slide downwards, and the power transmission assembly is driven to form a manual gear assembly.

Further, T-shaped grooves are formed in two sides of the upper shell, two sides of the transmission assembly penetrate through the two T-shaped grooves respectively, and the gear shifting assembly shields the T-shaped grooves.

Further, the gear shifting assembly comprises a rotating ring and two elastic clamping pieces, the two elastic clamping pieces are symmetrically arranged and respectively and fixedly connected to the inner side wall of the rotating ring, the outer side of the braking piece and one side of the elastic clamping piece form elastic butt joint, the rotating ring is movably sleeved on the outer peripheral side of the upper shell and shields the T-shaped groove, and two sides of the transmission assembly are fixedly connected with the inner side wall of the rotating ring.

Further, the outside of brake piece is equipped with reduction groove, two and stir the groove, two stir the groove and be located respectively the both sides of reduction groove, one side of elasticity joint piece is equipped with first protruding structure accept in the reduction groove, the brake piece is not to drive assembly brakes when first protruding structure accept in stir the groove, the brake piece is to drive assembly brakes.

Further, two second protruding structures are further arranged on the inner side wall of the rotating ring, and the two second protruding structures are symmetrically arranged and aligned with the two first protruding structures in the vertical direction respectively.

Furthermore, the inner side wall of the rotating ring is symmetrically provided with clamping parts, and the two elastic clamping pieces are respectively and fixedly connected with the two clamping parts.

Furthermore, the two ends of the elastic clamping piece are respectively provided with a clamping hook, two clamping positions are symmetrically arranged on the clamping part, and the two clamping hooks are respectively in one-to-one correspondence with the two clamping positions and form clamping fixed connection.

Furthermore, an inserting groove is formed in the inner side wall of the rotating ring, an inserting boss is arranged at the bottom of the upper shell, and the inserting boss is contained in the inserting groove.

Further, the transmission assembly comprises a connecting piece and a bar-shaped stirring piece, the connecting piece is in sliding sleeve connection with one end of the batch head, a concave connecting position is arranged in the middle of the bar-shaped stirring piece, the concave connecting position is in rotary connection with one side of the connecting piece, and two ends of the bar-shaped stirring piece penetrate through two T-shaped grooves respectively, extend out of the T-shaped grooves and are fixedly connected with the inner side wall of the gear shifting assembly.

Further, external teeth are arranged on the outer periphery of the connecting piece, braking teeth are arranged at two ends of the inner side of the braking piece, and the braking teeth are meshed with the external teeth.

The utility model has the beneficial effects that:

according to the utility model, the gear shifting assembly is adopted to respectively control the transmission assembly and the two braking parts, when the batch head is required to be converted into the manual gear, the gear shifting assembly is manually rotated by a preset angle, the gear shifting assembly can be rotated to simultaneously drive the two braking parts to rotate by the preset angle, so that the two braking parts are deflected simultaneously, one ends of the two braking parts clamp the transmission assembly, the transmission assembly is braked, the batch head forms the manual gear, after the gear shifting assembly reversely rotates and resets, the two braking parts release the braking of the transmission assembly, when the batch head is required to be converted into the electric gear, the gear shifting assembly slides towards the lower end of the upper shell, the gear shifting assembly can drive the transmission assembly to slide downwards, the transmission assembly is simultaneously connected to one end of the batch head and the output shaft of the power output assembly, the batch head forms the electric gear, and the output shaft of the power output assembly is started to rotate, and then the batch head rotates; to sum up, the ratchet electric screwdriver with the convenient gear switching can finish the switching of the manual gear and the electric gear through one accessory, so that the gear switching of the electric screwdriver is faster and more convenient, and the electric screwdriver is convenient for users to use conveniently.

Drawings

FIG. 1 is an exploded view of a portable gear shifting ratchet electric screwdriver of the present utility model;

FIG. 2 is an exploded view of a shift assembly of the portable gear shifting ratchet electric screwdriver of the present utility model;

FIG. 3 is a schematic view of a driving assembly of the portable gear shifting ratchet electric screwdriver of the present utility model;

FIG. 4 is a schematic illustration of a brake member of a portable gear shifting ratchet electric screwdriver of the present utility model;

FIG. 5 is a schematic view of an upper housing of a portable gear shifting ratchet electric screwdriver of the present utility model;

fig. 6 is an enlarged partial schematic view of the reference symbol a of fig. 1.

The reference numerals are as follows:

a batch head 1;

the upper shell 2, the T-shaped groove 21 and the boss 22 are inserted;

the gear shifting assembly 3, the rotating ring 31, the second protruding structure 311, the clamping part 312, the clamping position 3121, the inserting groove 313, the elastic clamping piece 32, the first protruding structure 321 and the clamping hook 322;

the transmission assembly 4, the connecting piece 41, the external teeth 411, the bar-shaped toggle piece 42 and the concave connecting position 421;

a braking piece 5, a reduction groove 51, a toggle groove 52, a braking tooth 53 and a connecting hole 54;

the power take-off assembly 6, the output shaft 61, the rotating post 62.

Detailed Description

In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 and 6, the utility model provides a portable gear-shifting ratchet electric screwdriver, which comprises a screwdriver head 1, an upper housing 2, a gear shifting assembly 3, a transmission assembly 4, two braking members 5 and a power output assembly 6, wherein the power output assembly 6 is a combination of a motor and a reduction gearbox assembly, a rotating shaft of the motor is in transmission connection with the inside of the reduction gearbox assembly, the power output assembly 6 is in the prior art, the final power output of the power output assembly 6 is output from an output shaft 61, one end of the upper housing 2 is fixedly connected to the top of the power output assembly 6, the screwdriver head 1 and the output shaft 61 of the power output assembly 6 are coaxially and rotatably connected with the top of the upper housing 2, the transmission assembly 4 is in sliding connection with one end of the screwdriver head 1 and is positioned above the output shaft 61 of the power output assembly 6, and when the transmission assembly 4 moves downwards, the power output assembly 6 can be sleeved on the output shaft 61 of the power output assembly 6, so that the screwdriver head 1 and the output shaft 61 are integrally fixed, one end of the screwdriver head 1 and the output shaft 61 are respectively provided with connecting teeth with the same size, when the transmission assembly 4 moves downwards and is sleeved on the output shaft 61, the connecting teeth on the screwdriver head 1 are coaxially fixed with the connecting teeth on the output shaft 61, the gear shifting assembly 3 is movably sleeved on the outer peripheral side of the upper shell 2, the gear shifting assembly 3 can rotate or slide up and down relative to the upper shell 2, two sides of the transmission assembly 4 penetrate through the upper shell 2 and extend out to the outside and are respectively fixedly connected with the inner side wall of the gear shifting assembly 3, two braking pieces 5 are symmetrically arranged and respectively connected with the two sides of the top of the power output assembly 6 in a rotating way, the braking pieces 5 are provided with connecting holes 54, the power output assembly 6 is provided with rotating columns 62 which penetrate through the connecting holes 54 and are in rotating connection with the connecting holes 54, the inboard towards drive assembly 4 of brake piece 5, the outside protrusion of brake piece 5 in one side of last casing 2 and with the inboard elasticity butt of shift assembly 3, shift assembly 3 rotation can drive two brake pieces 5 and rotate in order to brake drive assembly 4 for criticize first 1 and form manual fender, shift assembly 3 slip down can drive assembly 4 and slide down in order to connect the output shaft 61 of power take off subassembly 6, makes criticize first 1 and forms electric fender.

In this embodiment, when the batch head 1 needs to be converted into a manual gear, the shift assembly 3 is manually rotated by a preset angle, the shift assembly 3 can simultaneously drive the two brake members 5 to rotate by the preset angle, so that the two brake members 5 deflect simultaneously, one ends of the two brake members 5 clamp the transmission assembly 4, the transmission assembly 4 is braked, the batch head 1 forms the manual gear at this moment, after the shift assembly 3 reversely rotates and resets, the two brake members 5 release the brake on the transmission assembly 4, when the batch head 1 needs to be converted into an electric gear, the shift assembly 3 slides towards the lower end of the upper housing 2, the shift assembly 3 slides downwards to drive the transmission assembly 4 to slide downwards, so that the transmission assembly 4 is simultaneously connected to one end of the batch head 1 and the output shaft 61 of the power output assembly 6, the batch head 1 forms an electric gear, and the batch head 1 rotates after the output shaft 61 of the power output assembly 6 is opened;

to sum up, the ratchet electric screwdriver with the convenient gear switching can finish the switching of the manual gear and the electric gear through one accessory, so that the gear switching of the electric screwdriver is faster and more convenient, and the electric screwdriver is convenient for users to use conveniently.

Referring to fig. 1 and 5, in the present embodiment, two sides of the upper housing 2 are provided with T-shaped slots 21, two sides of the transmission assembly 4 respectively penetrate through the two T-shaped slots 21, and the gear shifting assembly 3 shields the T-shaped slots 21; when the gear shifting assembly 3 rotates, two sides of the transmission assembly 4 move along the transverse grooves of the T-shaped groove 21, when the gear shifting assembly 3 slides downwards relative to the upper shell 2, two sides of the transmission assembly 4 slide downwards along the longitudinal grooves of the T-shaped groove 21, and the T-shaped groove 21 has the effect of limiting the moving position of the transmission assembly 4.

Referring to fig. 1-3, in the present embodiment, the shift assembly 3 includes a rotating ring 31 and two elastic clamping members 32, the two elastic clamping members 32 are symmetrically disposed and respectively fixedly connected to an inner side wall of the rotating ring 31, an outer side of the brake member 5 is elastically abutted to one side of the elastic clamping member 32, the rotating ring 31 is movably sleeved on an outer peripheral side of the upper housing 2 and shields the T-shaped groove 21, and two sides of the transmission assembly 4 are fixedly connected to the inner side wall of the rotating ring 31; when the rotating ring 31 rotates, the rotating ring 31 drives the two elastic clamping pieces 32 to rotate together, the elastic clamping pieces 32 abut against two ends of the outer side of the braking piece 5, so that the braking piece 5 deflects, and the two braking pieces 5 deflect simultaneously to clamp the transmission assembly 4 so as to brake the transmission assembly 4.

Referring to fig. 2 and 4, in the present embodiment, a restoring groove 51 and two pulling grooves 52 are provided on the outer side of the braking member 5, the two pulling grooves 52 are respectively located on two sides of the restoring groove 51, a first protrusion structure 321 is provided on one side of the elastic clamping member 32, when the first protrusion structure 321 is accommodated in the restoring groove 51, i.e. the rotating ring 31 is not rotated at this time, the braking member 5 does not deflect, the braking member 5 does not brake the driving assembly 4, and when the first protrusion structure 321 is accommodated in the pulling groove 52, i.e. the rotating ring 31 is rotated at this time, the braking member 5 is abutted by the first protrusion structure 321 and deflected, and the braking member 5 brakes the driving assembly 4.

Referring to fig. 2, in the present embodiment, two second protruding structures 311 are further disposed on the inner side wall of the rotating ring 31, and the two second protruding structures 311 are symmetrically disposed and aligned with the two first protruding structures 321 in the vertical direction respectively; when the screwdriver bit 1 needs to be switched to be electrically operated, the rotating ring 31 needs to be not rotated and slide downwards relative to the upper shell 2, and when the rotating ring 31 slides downwards to the tail of the lower end of the upper shell 2, the second protruding structure 311 replaces the first protruding structure 321, so that the second protruding structure 311 continuously abuts against the groove wall of the reduction groove 51, and the non-deflection state of the brake piece 5 is maintained.

Referring to fig. 2, in the present embodiment, the inner side wall of the rotating ring 31 is symmetrically provided with a clamping portion 312, two elastic clamping members 32 are respectively and fixedly connected with the two clamping portions 312, the elastic clamping members 32 are V-shaped and are fixed on the inner side wall of the rotating ring 31 through the clamping portions 312; the two ends of the elastic clamping piece 32 are respectively provided with a clamping hook 322, two clamping positions 3121 are symmetrically arranged on the clamping part 312, and the two clamping hooks 322 are respectively in one-to-one correspondence with the two clamping positions 3121 and form clamping and fixing connection; when the elastic clamping member 32 is installed, one hook 322 is clamped into one clamping position 3121, and then the other hook 322 is clamped into the other clamping position 3121, and at this time, the elastic clamping member 32 is fixed.

Referring to fig. 2 and 5, in the present embodiment, an insertion groove 313 is formed on an inner sidewall of the rotary ring 31, an insertion boss 22 is formed at a bottom of the upper housing 2, and the insertion boss 22 is accommodated in the insertion groove 313; when the screwdriver bit 1 needs to be switched to electric power, the rotating ring 31 needs to be not rotated and slide downwards relative to the upper shell 2, and when the rotating ring 31 slides downwards to the tail of the lower end of the upper shell 2, the inserting boss 22 is inserted into the inserting groove 313, so that the rotating ring 31 is kept fixed at the lower end of the upper shell 2.

Referring to fig. 3, 4 and 6, in the present embodiment, the transmission assembly 4 includes a connecting member 41 and a bar-shaped stirring member 42, the connecting member 41 is slidably sleeved on one end of the screwdriver head 1, a concave connecting position 421 is disposed in the middle of the bar-shaped stirring member 42, the concave connecting position 421 is rotationally connected with one side of the connecting member 41, an annular groove is disposed on one side of the connecting member 41, the concave connecting position 421 is accommodated in the annular groove, two ends of the bar-shaped stirring member 42 respectively penetrate through two T-shaped grooves 21 and extend out and are fixedly connected with the inner side wall of the gear shifting assembly 3, the bar-shaped stirring member 42 is made of metal material and has a certain hardness, two ends of the bar-shaped stirring member 42 are fixed on the inner side of the transmission ring 31, when the rotation ring 31 rotates, the bar-shaped stirring member 42 moves along the transverse groove of the T-shaped groove along with the rotation of the rotation ring 31, however, the connecting piece 41 does not rotate, when the rotating ring 31 slides downwards, the bar-shaped poking piece 42 moves along the longitudinal groove of the T-shaped groove 21, at the moment, the connecting piece 41 is driven by the bar-shaped poking piece 42 to slide downwards, so that the connecting piece 41 is sleeved on the output shaft 61, the connecting piece 41 is annular, internal teeth are arranged in the connecting piece 41, and are meshed with connecting teeth at one end of the batch head 1 and connecting teeth on the output shaft 61, namely, when the batch head 1 is in a manual gear, the connecting piece 41 is sleeved on connecting teeth at one end of the batch head 1, and when the batch head 1 is in an electric gear, the connecting piece 41 is sleeved on connecting teeth at one end of the batch head 1 and connecting teeth on the output shaft 61, and the internal teeth of the connecting piece are meshed with connecting teeth of the two parts, so that the batch head 1 and the output shaft 61 form a whole; the outer circumference side of the connecting piece 41 is provided with external teeth 411, both ends of the inner side of the braking piece 5 are provided with braking teeth 52, and the braking teeth 53 are in meshed connection with the external teeth 411; when the rotating ring 31 rotates, the elastic clamping piece 32 pushes the braking piece 5 to deflect, and at the moment, the braking teeth 53 are engaged with the external teeth 411, and the braking piece 5 is fixed, so that the connecting piece 41 is fixed by the braking piece 5, and the braking effect is achieved.

Of course, the present utility model can be implemented in various other embodiments, and based on this embodiment, those skilled in the art can obtain other embodiments without any inventive effort, which fall within the scope of the present utility model.

Claims (10)

1. The utility model provides a ratchet electric screw driver that portable gear was switched, its characterized in that includes criticizing the head, going up the casing, shifting the subassembly, drive assembly, two brake parts, power take off subassembly, go up the one end fixed connection of casing in power take off subassembly's top, criticize the head with power take off subassembly's output shaft coaxial and with go up the top rotation of casing is connected, drive assembly with one end sliding connection who criticizes the head and be located the top of power take off subassembly's output shaft, shift the subassembly activity cup joint in on the periphery side of last casing, the both sides of drive assembly all run through go up the casing and extend outside and respectively with shift subassembly's inside wall fixed connection, two brake parts symmetry set up and rotate respectively connect in power take off subassembly's top both sides, the inboard orientation of brake parts drive assembly, the outside protrusion in go up one side of casing and with shift subassembly's inboard elasticity butt, shift subassembly rotation can drive two brake parts rotate in order to carry out the transmission to make and criticize the power take off the assembly and form the manual transmission and shift the power take off subassembly.

2. The portable gear-shifting ratchet electric screwdriver according to claim 1, wherein T-shaped grooves are formed in two sides of the upper shell, two T-shaped grooves are respectively formed in two sides of the transmission assembly in a penetrating mode, and the gear shifting assembly shields the T-shaped grooves.

3. The portable gear-shifting ratchet electric screwdriver according to claim 2, wherein the gear shifting assembly comprises a rotating ring and two elastic clamping pieces, the two elastic clamping pieces are symmetrically arranged and respectively and fixedly connected to the inner side wall of the rotating ring, the outer side of the braking piece is elastically abutted to one side of the elastic clamping piece, the rotating ring is movably sleeved on the outer peripheral side of the upper shell and shields the T-shaped groove, and two sides of the transmission assembly are fixedly connected with the inner side wall of the rotating ring.

4. The portable gear-shifting ratchet electric screwdriver according to claim 3, wherein a reduction groove and two poking grooves are formed in the outer side of the braking piece, the poking grooves are respectively located on two sides of the reduction groove, a first protruding structure is arranged on one side of the elastic clamping piece, the braking piece does not brake the transmission assembly when the first protruding structure is contained in the reduction groove, and the braking piece brakes the transmission assembly when the first protruding structure is contained in the poking grooves.

5. The portable gear-shifting ratchet electric screwdriver according to claim 4, wherein two second protruding structures are further arranged on the inner side wall of the rotating ring, and the two second protruding structures are symmetrically arranged and aligned with the two first protruding structures in the vertical direction respectively.

6. The portable gear-shifting ratchet electric screwdriver according to claim 3, wherein the inner side wall of the rotating ring is symmetrically provided with clamping parts, and the two elastic clamping parts are fixedly connected with the two clamping parts respectively.

7. The portable gear-shifting ratchet electric screwdriver according to claim 6, wherein two ends of the elastic clamping piece are respectively provided with a clamping hook, two clamping positions are symmetrically arranged on the clamping portion, and the two clamping hooks are respectively in one-to-one correspondence with the two clamping positions and form clamping fixed connection.

8. The portable gear-shifting ratchet electric screwdriver according to claim 3, wherein an insertion groove is formed in the inner side wall of the rotating ring, an insertion boss is arranged at the bottom of the upper shell, and the insertion boss is accommodated in the insertion groove.

9. The portable gear-shifting ratchet electric screwdriver according to claim 2, wherein the transmission assembly comprises a connecting piece and a bar-shaped stirring piece, the connecting piece is sleeved on one end of the screwdriver head in a sliding manner, a concave connecting position is arranged in the middle of the bar-shaped stirring piece, the concave connecting position is rotationally connected with one side of the connecting piece, and two ends of the bar-shaped stirring piece penetrate through two T-shaped grooves respectively, extend out of the T-shaped grooves and are fixedly connected with the inner side wall of the gear shifting assembly.

10. The portable gear-shifting ratchet electric screwdriver according to claim 9, wherein external teeth are arranged on the outer peripheral side of the connecting piece, braking teeth are arranged at two ends of the inner side of the braking piece, and the braking teeth are meshed with the external teeth.