CN109676559B

CN109676559B - Electric screwdriver

Info

Publication number: CN109676559B
Application number: CN201910045815.4A
Authority: CN
Inventors: 陈仕峰
Original assignee: Ningbo Bata Tools Co ltd
Current assignee: Ningbo Bata Tools Co ltd
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2020-08-28
Anticipated expiration: 2039-01-17
Also published as: CN109676559A

Abstract

The invention discloses an electric screwdriver, which relates to the technical field of electric tools and solves the problem that a screwdriver head of the electric screwdriver is connected to a screwdriver in a plugging mode and is easy to lose when replaced, and the technical scheme is characterized in that: including electronic cutter body, its characterized in that, electronic cutter body front end has the mount pad, is provided with in the mount pad and rotates the seat, and the week side of mount pad is provided with a plurality of screwdrivers blade, and each screwdrivers blade corresponds the screw of a specification, be connected with a plurality of upset pieces that set up along mount pad circumference on the mount pad, thereby each upset piece links to each other with a screwdrivers blade and drives screwdrivers blade and overturn, set up on the rotation seat and supply screwdriver head tip male jack, thereby the upset piece drives the upset of screwdrivers blade and inserts the jack inside and drive by rotating the seat and rotate, can avoid losing of screwdrivers blade.

Description

Electric screwdriver

Technical Field

The invention relates to the technical field of electric tools, in particular to an electric screwdriver.

Background

The electric screwdriver is also called as an electric screwdriver, is an electric tool for screwing or unscrewing screws, and is one of the necessary tools for most production enterprises.

Traditional electric screwdriver simple structure, the function singleness only is applicable to revolving of single specification screw, and for solving above-mentioned technical problem, chinese utility model that the authorization bulletin number is CN202344470U provides an electric screwdriver of removable tool bit, including the cutter body, set up in the inside drive arrangement of cutter body and set up the electric switch on the cutter body, its characterized in that sets up transmission between cutter body and tool bit, and the device is connected with the drive arrangement who sets up in the inside of cutter body, is connected with the mode of plug between tool bit and the transmission.

Because the screw has various specifications, the tool bit of the electric screwdriver also needs to be correspondingly provided with a plurality of replaceable tool bits so as to meet various requirements during use.

Disclosure of Invention

The invention aims to provide an electric screwdriver which can avoid the loss of a screwdriver head.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides an electric screwdriver, includes the electric screwdriver body, electric screwdriver body front end has the mount pad, is provided with in the mount pad and rotates the seat, and the week side of mount pad is provided with a plurality of screwdrivers blade, and each screwdrivers blade corresponds the screw of a specification, be connected with a plurality of upset pieces that set up along mount pad circumference on the mount pad, thereby each upset piece links to each other with a screwdrivers blade and drives screwdrivers blade and overturn, set up on the rotation seat and supply screwdriver head tip male jack, thereby the upset piece drives the upset of screwdrivers blade and inserts inside the jack and drive by rotating the seat and rotate.

Through adopting above-mentioned technical scheme, screwdriver head connects the week side at the mount pad through the upset piece, can not cause to lose, can insert inside the jack according to the demand with corresponding screwdriver head when needs use, and electric cutter body starts afterwards, rotates the seat and can drive screwdriver head and rotate, and the upset piece overturns the screwdriver head and goes out again after finishing using.

As preferred, the upset piece includes the portion of sliding that links to each other with the mount pad and the connecting portion that link to each other with screwdriver head, set up the interval of sliding that supplies the post to slide on the mount pad, seted up the groove of sliding on the both sides wall of interval of sliding, the portion of sliding is kept away from the tip of connecting portion and is worn to be equipped with the axle that slides, and the portion of sliding slides and overturns in the interval of sliding through the axle that slides in the groove of sliding.

Through adopting above-mentioned technical scheme, through setting up the upset piece into portion and connecting portion that slide, connecting portion fix a position screwdriver head, and the portion that slides overturns in the interval that slides simultaneously through the axle that slides in the groove that slides, thereby screwdriver head after the upset can be aimed at with the jack that rotates on the seat and slide and get into the inside realization location of jack.

Preferably, the connecting portion are annular rings, the axial direction of the connecting portion is provided with a through hole for inserting the screwdriver bit, the connecting portion is radially provided with a positioning groove communicated with the through hole, a locking steel ring is arranged on the outer side of the connecting portion, the screwdriver bit is provided with an annular groove, the annular groove is communicated with the positioning groove after passing through the through hole, and the locking steel ring is clamped into the annular groove to realize the axial limiting circumferential non-limiting of the screwdriver bit.

Through adopting above-mentioned technical scheme, fix a position screwdriver head through the locking steel ring, avoid screwdriver head to drop from connecting portion, cause losing of screwdriver head, can not cause the influence to screwdriver head's normal rotation simultaneously.

Preferably, the fixed seat comprises an inner seat for the sliding groove to be formed and an outer seat fixedly connected with the electric cutter body, the inner seat comprises an annular base and sliding columns circumferentially arranged on the annular base, the sliding section is formed by a gap between two adjacent sliding columns, and the sliding groove is formed in the side walls of the two sides of each sliding column and penetrates through one side wall of each sliding column towards the direction of the annular base.

Through adopting above-mentioned technical scheme, through the lateral wall that runs through out the sliding column with the groove that slides, can slide into the groove that slides with the axle that slides on the upset when the installation earlier, later with interior seat and outer seat fixed connection together again, made things convenient for the installation of upset.

Preferably, be formed with between outer seat and the inner support and lock and detain the platform, the portion of sliding is kept away from the one end of sliding the axle and is provided with and locks the locking seat of detaining a complex, it locks the guide face of detaining the platform to still be provided with the convenience on the portion of sliding to lock the seat card.

Through adopting above-mentioned technical scheme, detain the platform through setting up locking seat and locking and cooperate, the screwdriver head that does not use can be fixed on locking detains the platform through locking the seat, and the guide face can conveniently be locked the seat and lock the cooperation of detaining the platform.

Preferably, the outer seat is provided with positioning columns in one-to-one correspondence with the sliding columns, the positioning columns are provided with positioning sliding grooves along the axial direction, and the sliding columns are provided with positioning sliding blocks matched with the positioning sliding grooves.

Through adopting above-mentioned technical scheme, through location spout and the cooperation of sliding of location slider, can make things convenient for being connected between interior seat and the outer seat.

Preferably, the end of the sliding part is provided with a penetrating hole for the sliding shaft to penetrate through, the penetrating hole is a long hole formed in the length direction of the sliding part, the sliding part is provided with a mounting groove communicated with the penetrating hole along the length direction of the sliding part, a spring is arranged in the mounting groove, one end of the spring is abutted against the bottom of the mounting groove, the other end of the spring is abutted against the sliding shaft, so that the sliding shaft is driven to move towards the opening direction of the mounting groove all the time, and when the locking seat is locked with the locking buckling table, the sliding shaft is abutted against the axial groove wall of the sliding groove and is in clearance with the hole wall of the penetrating hole towards the opening side of the mounting groove.

By adopting the technical scheme, the penetrating hole is set to be the long hole, and the sliding shaft can move in the long hole in the locking process of the locking seat and the locking buckle table, so that the locking seat can be conveniently buckled; through the setting of spring, when the platform is detained in the locking with the locking seat locking, the spring drive portion of sliding has the trend of moving to being close to the platform is detained in the locking all the time to reinforcing the stability of locking after the platform is detained in locking seat and locking, avoiding the locking seat to break away from in the locking detains the platform.

Preferably, the electric screwdriver body is provided with a light emitting source, and the light projecting direction of the light emitting source is the same as the direction of the screwdriver head when in use.

Through adopting above-mentioned technical scheme, can provide light when electric screwdriver uses to make things convenient for electric screwdriver's use.

Preferably, the rotating seat is provided with a magnet in the insertion hole.

Through adopting above-mentioned technical scheme, in the use, can make things convenient for screwdriver head to insert in the jack of rotating the seat.

Preferably, set up on the mount pad and keep in the sleeve, it has the extension rod to keep in the sleeve interpolation, the extension rod has and inserts the portion of putting with rotating that the seat structure is unanimous, and the extension rod is kept away from to insert the one end of putting the portion and is inserted the jack and realize the extension rod and rotate being connected of seat.

Through adopting above-mentioned technical scheme, through being provided with to keep in the sleeve and keeping in the sleeve place the extension rod, can pack the extension rod into the jack when needs use, thereby outside screwdriver head can insert the extension rod insert the increase use that realizes electric screwdriver on the portion of putting.

In conclusion, the invention has the following beneficial effects:

1. the screwdriver head is connected to the periphery of the mounting seat through the overturning part, so that the screwdriver head cannot be lost, when the screwdriver is needed to be used, the corresponding screwdriver head can be inserted into the jack according to requirements, then the electric cutter body is started, the rotating seat can drive the screwdriver head to rotate, and after the screwdriver is used, the overturning part overturns the screwdriver head out;

2. when the locking buckle platform is locked with the locking seat, the spring-driven sliding part always has the trend of moving towards the locking buckle platform, so that the stability of the locking seat and the locking buckle platform after locking is enhanced, and the locking seat is prevented from being separated from the locking buckle platform.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention with a screwdriver bit attached to a rotatable base;

FIG. 2 is a schematic view of the overall structure of the present invention with the screwdriver body not attached to the rotatable base;

FIG. 3 is an exploded view of the connection of the upset and the screwdriver body;

FIG. 4 is a cross-sectional structural view of the flipper in a locked position;

FIG. 5 is an exploded view between the inner and outer seats;

fig. 6 is an enlarged view of a portion a in fig. 5.

In the figure, 1, an electric cutter body; 11. a light emitting source; 2. a mounting seat; 21. an inner seat; 211. an annular base; 212. sliding the column; 2121. a sliding groove; 2122. positioning the sliding block; 22. an outer seat; 221. a positioning column; 222. positioning the chute; 223. a locking buckle table; 23. a rotating seat; 231. a jack; 24. a slip interval; 25. retracting the sleeve; 251. an extension rod; 2511. an insertion part; 3. a turnover piece; 31. a sliding part; 311. a locking seat; 312. a guide surface; 313. penetrating and installing holes; 314. mounting grooves; 315. a slip axis; 316. a spring; 32. a connecting portion; 321. perforating; 322. positioning a groove; 323. locking a steel ring; 4. a screwdriver bit; 41. and a ring groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides an electric screwdriver, which includes an electric screwdriver body 1, wherein the front end of the electric screwdriver body 1 is provided with a mounting seat 2, a rotating seat 23 is arranged in the mounting seat 2, a driving device (not shown) in the electric screwdriver body 1 drives the rotating seat 23 to rotate when in use, the electric screwdriver body 1 is further provided with a light emitting source 11, and the light projecting direction of the light emitting source 11 is the same as the orientation of the mounting seat 2.

2 week side intervals of mount pad are provided with a plurality of screwdriver bits 4, each screwdriver bit 4 all corresponds the screw of a specification, be connected with a plurality of upset pieces 3 that set up along 2 circumference of mount pad on the mount pad 2, thereby each upset piece 3 links to each other with a screwdriver bit 4 and drives screwdriver bit 4 and overturn, it supplies 4 tip male jack 231 of screwdriver bit to set up on the seat 23 to rotate, the polygonized structure of the cross section of jack 231, and rotate seat 23 in the inside magnetite that is provided with of jack 231, the tip of screwdriver bit 4 be with jack 231 complex polygonized structure, upset piece 3 drives the upset of screwdriver bit 4, thereby make the tip of screwdriver bit 4 aim at with jack 231 and insert jack 231 inside and drive by rotating seat 23 and rotate.

The mounting seat 2 is further provided with a retracting sleeve 25, an extending rod 251 is inserted into the retracting sleeve 25, the extending rod 251 is provided with an inserting and placing portion 2511 with the same structure as the rotating seat 23, and one end, far away from the inserting and placing portion 2511, of the extending rod 251 is inserted into the insertion hole 231 to realize connection of the extending rod 251 and the rotating seat 23.

Referring to fig. 3 and 4, the turning part 3 includes a sliding part 31 connected to the mounting base 2 and a connecting part 32 connected to the screwdriver bit 4, the sliding part 31 and the connecting part 32 are integrally disposed, wherein the connecting part 32 is an annular ring, a through hole 321 for inserting the screwdriver bit 4 is formed in an axial direction of the connecting part 32, a positioning groove 322 communicated with the through hole 321 is radially formed in the connecting part 32, a locking steel ring 323 is disposed on an outer side of the connecting part 32, the locking steel ring 323 is formed by steel wire winding, a ring groove 41 is formed in the screwdriver bit 4, the screwdriver bit 4 passes through the through hole 321 and then the ring groove 41 is communicated with the positioning groove 322, and the locking steel ring 323 is clamped into the ring groove 41 to realize axial spacing and circumferential.

With reference to fig. 5 and 6, a sliding section 24 for the sliding portion 31 to slide is formed on the mounting base 2, sliding grooves 2121 are formed on two side walls of the sliding section 24, a sliding shaft 315 penetrates through an end portion of the sliding portion 31 far away from the connecting portion 32, and the sliding portion 31 slides in the sliding groove 2121 through the sliding shaft 315 and turns over in the sliding section 24.

The mounting seat 2 includes an inner seat 21 provided for the sliding groove 2121 to open and an outer seat 22 fixedly connected with the electric cutter body 1, wherein the inner seat 21 includes an annular base 211 and sliding columns 212 circumferentially arranged on the annular base 211, a sliding section 24 is formed by a gap between two adjacent sliding columns 212, the sliding groove 2121 is provided on the side walls of two sides of the sliding columns 212 and penetrates one end of the sliding column 212 in the direction of the annular base 211, so that the turnover part 3 is conveniently loaded into the sliding groove 2121 from the end through the sliding shaft 315.

A locking buckle 223 is formed between the outer seat 22 and the inner seat 21, a locking seat 311 matched with the locking buckle 223 is arranged at one end of the sliding part 31 far away from the sliding shaft 315, and a guide surface 312 which is convenient for the locking seat 311 to be clamped into the locking buckle 223 is further arranged on the sliding part 31.

The outer seat 22 has positioning posts 221 corresponding to the sliding posts 212 one by one, a positioning sliding groove 222 is formed on the positioning posts 221 along the axial direction, a positioning sliding block 2122 matched with the positioning sliding groove 222 is arranged on the sliding posts 212, wherein the cross sections of the positioning sliding block 2122 and the positioning sliding groove 222 are in an inverted trapezoidal structure, and the positioning sliding block 2122 is fixed by a screw after sliding into the positioning sliding groove 222.

The end of the sliding part 31 is provided with a penetrating hole 313 for the sliding shaft 315 to penetrate through, the penetrating hole 313 is a long hole formed in the length direction of the sliding part 31, the sliding part 31 is provided with a mounting groove 314 communicated with the penetrating hole 313 along the length direction thereof, a spring 316 is arranged in the mounting groove 314, one end of the spring 316 abuts against the bottom of the mounting groove 314 and the other end abuts against the sliding shaft 315 so as to drive the sliding shaft 315 to move towards the opening direction of the mounting groove 314 all the time, when the locking seat 311 is locked with the locking buckle 223, the sliding shaft 315 abuts against the axial groove wall of the sliding groove 2121 and has a gap with the penetrating hole 313 towards the hole wall on the opening side of the mounting groove 314.

The using method comprises the following steps:

when the screwdriver head 4 needs to be placed in the rotating seat 23, the locking seat 311 and the locking buckle 223 are broken off, then the turnover part 3 is turned over, the turnover part 3 drives the screwdriver head 4 to turn over synchronously, then the turnover part 3 drives the screwdriver head 4 to move towards the inside of the insertion hole 231 through the sliding shaft 315 in the sliding groove 2121, and the screwdriver head 4 is inserted into the insertion hole 231 to fix the screwdriver head 4 and the rotating seat 23;

when the screwdriver bit 4 needs to be taken out of the insertion hole 231 of the rotating seat 23, the screwdriver bit 4 is firstly pulled out of the insertion hole 231, then the turning piece 3 is turned back, the turning piece 3 drives the screwdriver bit 4 to turn synchronously, finally, the locking seat 311 is buckled into the locking buckling platform 223, at the moment, the sliding shaft 315 is abutted against the axial groove wall of the sliding groove 2121 and has a gap with the hole wall of the penetrating hole 313 towards the opening side of the mounting groove 314, the spring 316 drives the turning piece 3 to have a trend of moving towards the locking buckling platform 223, and therefore the stability of the locking seat 311 and the locking buckling platform 223 is enhanced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an electric screwdriver, includes electric screwdriver body (1), its characterized in that, electric screwdriver body (1) front end has mount pad (2), is provided with in mount pad (2) and rotates seat (23), and the week side of mount pad (2) is provided with a plurality of screwdrivers blade (4), and each screwdrivers blade (4) corresponds the screw of a specification, be connected with a plurality of upset pieces (3) that set up along mount pad (2) circumference on mount pad (2), thereby each upset piece (3) links to each other with a screwdrivers blade (4) and drives screwdrivers blade (4) and overturn, thereby set up on rotation seat (23) and supply screwdrivers blade (4) tip male jack (231), thereby upset piece (3) drive screwdrivers blade (4) upset and insert jack (231) inside and drive by rotating seat (23) and rotate, upset piece (3) include the portion of sliding (31) that link to each other with mount pad (2) and the connecting portion that links to each other with screwdrivers blade (4) connecting portion (32) The utility model discloses a sliding device, offer on mount pad (2) and supply the section of sliding (24) that the portion of sliding (31) slided, offered on the both sides wall of the section of sliding (24) and slided groove (2121), the tip that connecting portion (32) were kept away from in the portion of sliding (31) is worn to be equipped with slip axle (315), and the portion of sliding (31) slides and overturns in the section of sliding (24) through slip axle (315) in the groove of sliding (2121).

2. The electric screwdriver according to claim 1, wherein the connecting portion (32) is an annular ring, the connecting portion (32) has a through hole (321) for inserting the screwdriver bit (4) in an axial direction, the connecting portion (32) is radially provided with a positioning groove (322) communicated with the through hole (321), the outer side of the connecting portion (32) is provided with a locking steel ring (323), the screwdriver bit (4) is provided with a ring groove (41), the screwdriver bit (4) passes through the through hole (321) and then is communicated with the positioning groove (322), and the locking steel ring (323) is clamped into the ring groove (41) to realize the axial and circumferential non-limiting of the screwdriver bit (4).

3. The electric screwdriver according to claim 1, wherein the mounting seat (2) comprises an inner seat (21) provided with a sliding groove (2121) and an outer seat (22) fixedly connected with the electric screwdriver body (1), the inner seat (21) comprises an annular base (211) and sliding columns (212) circumferentially arranged on the annular base (211), a sliding section (24) is formed by a gap between two adjacent sliding columns (212), and the sliding groove (2121) is provided on the side wall of each of the two sides of the sliding column (212) and penetrates through one side wall of the sliding column (212) towards the annular base (211).

4. The electric screwdriver according to claim 3, wherein a locking buckle table (223) is formed between the outer seat (22) and the inner seat (21), a locking seat (311) matched with the locking buckle table (223) is arranged at one end of the sliding part (31) far away from the sliding shaft (315), and a guide surface (312) for the locking seat (311) to be clamped into the locking buckle table (223) is further arranged on the sliding part (31).

5. The electric screwdriver according to claim 4, wherein the outer base (22) has positioning posts (221) corresponding to the sliding posts (212) one by one, a positioning sliding groove (222) is formed on the positioning posts (221) along the axial direction, and a positioning sliding block (2122) matched with the positioning sliding groove (222) is arranged on the sliding posts (212).

6. The electric screwdriver according to claim 5, wherein the end of the sliding part (31) is provided with a through hole (313) for the sliding shaft (315) to pass through, the through hole (313) is a long hole formed in the length direction of the sliding part (31), the sliding part (31) is provided with an installation groove (314) along the length direction thereof and communicated with the through hole (313), a spring (316) is arranged in the installation groove (314), one end of the spring (316) abuts against the bottom of the installation groove (314) and the other end abuts against the sliding shaft (315) so as to drive the sliding shaft (315) to move towards the direction close to the opening of the installation groove (314) all the time, when the locking seat (311) is locked with the locking buckle table (223), the sliding shaft (315) is abutted against the axial groove wall of the sliding groove (2121) and a gap is reserved between the sliding shaft and the hole wall of the side, facing the opening of the mounting groove (314), of the penetrating hole (313).

7. The electric screwdriver according to claim 1, wherein the electric screwdriver body (1) is provided with a light emitting source (11), and the light projecting direction of the light emitting source (11) is the same as the direction of the screwdriver head (4) during use.

8. An electric screwdriver according to claim 1, wherein said rotary seat (23) is provided with a magnet in the socket (231).

9. The electric screwdriver according to claim 1, wherein a retracting sleeve (25) is arranged on the mounting base (2), an extending rod (251) is inserted into the retracting sleeve (25), the extending rod (251) has an inserting and placing portion (2511) which is consistent with the structure of the rotating base (23), and one end of the extending rod (251) far away from the inserting and placing portion (2511) is inserted into the insertion hole (231) to realize the connection between the extending rod (251) and the rotating base (23).