CN105458988A

CN105458988A - Power-driven socket ratchet wrench

Info

Publication number: CN105458988A
Application number: CN201410461395.5A
Authority: CN
Inventors: 胡厚飞; 罗启瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-09-11
Filing date: 2014-09-11
Publication date: 2016-04-06
Anticipated expiration: 2034-09-11
Also published as: CN105458988B

Abstract

The invention relates to a power-driven socket ratchet wrench. The power-driven socket ratchet wrench comprises a body, a ratcheting device, a power device and a transmission device. The ratcheting device is rotationally arranged on the body and comprises a ratcheting part capable of being connected with a socket, a ratchet block set arranged on the ratcheting part in a pivoting mode, a first tooth ring, a second tooth ring and a reversing rod rotationally inserted into the ratcheting part, and the first tooth ring and the second tooth ring are rotationally arranged on the ratcheting part in a sleeving mode. The power device comprises a motor. The transmission device comprises a transmission rod and a bevel gear. One end of the transmission rod is connected with the motor; the other end of the transmission rod is sleeved with the bevel gear; the bevel gear is selectively engaged with or disengaged from end teeth of the first tooth ring and end teeth of the second tooth ring; the transmission rod is driven through the motor so that the ratcheting part can be made to drive the socket to rotate.

Description

Electric sleeve barrel ratchet spanner

Technical field

The present invention relates generally to a kind of ratchet spanner, espespecially a kind of electric sleeve barrel ratchet spanner.

Background technology

Please refer to U.S. Patent number No. 8800410 Patent Case " Ratchetwrenchwithdirectionswitchingstructure ", it discloses a kind of reversing ratchet wrench, this reversing ratchet wrench comprises wrench body (wrenchbody), ratchet ring (ratchetwheel), spine move part (ratchetingmember) and control piece (switchingmember), ratchet ring is arranged at wrench body rotationally and can branch sleeve, spine move part is arranged at wrench body also optionally with left side (lefthalfportion) or right-hand part (righthalfportion) clip ratchet ring, change the direction of rotation of ratchet ring by this, control piece is hubbed at wrench body and against spine move part.

User must grip wrench body reciprocally swinging just can reach ratchet ring one-directional rotation and drive sleeve.Further, the common construction environment having long bolt in the environment in construction site, reciprocally pulls nut back and forth with existing manual wrench in the past and expends the much time.Moreover the environment in construction site is owing to being exposed to outdoor, and the problem often making long bolt have to get rusty occurs, and user firmly must pull spanner especially, and therefore existing manual wrench is quite wasted time and energy for user.

Because the disappearance of above-mentioned existing structure, the present inventor invents a kind of electric sleeve barrel ratchet spanner, and it can overcome all shortcomings of above-mentioned existing structure.

Summary of the invention

The main purpose of electric sleeve barrel ratchet spanner of the present invention is, provides a kind of power-actuated ratchet wrench, and it includes a body, spine move device, power set and a transmission device.

This body has second end at a first end and and this first end interval, and the internal face ring that this body is adjacent to this first end side establishes a teeth portion.

This spine move device is arranged at this body and comprises a spine move part, a ratchet block group being hubbed at this spine move part, be sheathed on the reversing bar that first ring gear of this spine move part and second ring gear and are inserted in this spine move part rotationally, this ratchet block group to be arranged between this first ring gear and this second ring gear and to comprise two main gear blocks, a first secondary tooth block and a second secondary tooth block, these two main gear blocks are hubbed at this spine move part, and these two main gear blocks optionally engage with the teeth portion of this body respectively, this first ring gear and this second ring gear rotate clockwise or counterclockwise relative to this spine move part respectively, this first ring gear and this second ring gear have an interior teeth portion and an end tooth portion respect to one another respectively, the interior teeth portion of this first ring gear optionally engages with this first secondary tooth block, the interior teeth portion of this second ring gear optionally engages with this second secondary tooth block, this reversing bar rotates relative to this spine move part, this first secondary tooth block is made optionally to engage with this first ring gear or this second ring gear the function producing and commutate respectively with this second secondary tooth block, and one end that this spine move part is adjacent to this second ring gear can branch sleeve.

These power set are placed in this body and comprise a motor and a power supply, and this motor has an axle, and this power supply and this motor are electrically connected, and make this central axis.

This transmission device comprises a drive link, a bevel gear and first elastic component, this drive link is arranged at this body rotationally and is connected with the axle of this motor, this drive link has a driving section in contrast to one end of this motor, this bevel gear is socketed on the driving section of this drive link movably and optionally engages with the end tooth portion of the second ring gear with this first ring gear or depart from, and this first elastic component is sheathed on the driving section of this drive link.

When this bevel gear engages with the end tooth portion of this second ring gear with this first ring gear, the axle of this motor drives this drive link and this bevel-gear rotating, this bevel gear drives this first ring gear and this second ring gear to rotate clockwise or counterclockwise relative to this spine move part respectively, and one of them drives the rotation of this spine move part to be with moving sleeve to rotate with these two main gear blocks and this first secondary tooth block or this second secondary tooth block.

Excessive resistance is met when being with moving sleeve, this bevel gear relatively this drive link driving section slippage and depart from the end tooth portion of this first ring gear and this second ring gear and compress this elastic component, separately can pull this body with manpower, make this bevel gear relative to the driving section slippage of this drive link and again side by side engage with the end tooth portion of this second ring gear with this first ring gear and be with moving sleeve with this.

The novelty of other objects, advantage and the present invention will be more obvious from the following detailed description and related drawings.

Accompanying drawing explanation

Fig. 1 is the stereo appearance figure of electric sleeve barrel ratchet spanner of the present invention;

Fig. 2 is the three-dimensional exploded view of electric sleeve barrel ratchet spanner of the present invention;

Fig. 3 is the sectional view of electric sleeve barrel ratchet spanner of the present invention;

Fig. 4 is the partial enlarged drawing of Fig. 3, represents that bevel gear engages the first ring gear and the second ring gear;

Fig. 5 is the partial enlarged drawing at corral place of dotted line institute in Fig. 4, represents that the first steel ball group is between this connecting hole and drive link;

Fig. 6 is another partial enlarged drawing of Fig. 3, represents drive link one end connecting motor;

The sectional view of Fig. 7 for getting along 7-7 face line in Fig. 4;

The sectional view of Fig. 8 for getting along 8-8 face line in Fig. 4;

The sectional view of Fig. 9 for getting along 9-9 face line in Fig. 4;

Figure 10 is the continuity of Fig. 7, represents that bevel gear drives the second ring gear to rotate;

Figure 11 is the continuity of Fig. 8, represents that the first ring gear rotates and drives spine move part to rotate;

Figure 12 is the continuity of Fig. 9, represents that bevel gear drives the second ring gear rotate and drive spine move part to rotate;

Figure 13 is the continuity of Fig. 4, represents that bevel gear departs from the first ring gear and the second ring gear;

Figure 14 is the continuity of Figure 10, represents that bevel gear departs from the first ring gear and the second ring gear.

Description of reference numerals: 10 bodies; 101 first ends; 102 second ends; 11 spine move holes; 111 teeth portion; 12 storage tanks; 13 connecting holes; 131 first linkage sections; 132 second linkage sections; 133 the 3rd linkage sections; 14 driving grooves; 15 heads; 16 shank parts; 17 extensions; 18 perforation; 20 spine move devices; 21 spine move parts; 22 ratchet block groups; 221 main gear blocks; 222 first secondary tooth blocks; 223 second secondary tooth blocks; 23 first ring gears; Teeth portion in 231; 232 end tooth portions; 24 second ring gears; Teeth portion in 241; 242 end tooth portions; 25 reversing bars; 251 through holes; 252 first accommodating holes; 253 second accommodating holes; Pull group in 26 main tops; 261 top valve parts; 262 elastic components; 27 first push up group of pulling; 271 top valve parts; 272 elastic components; 28 second push up group of pulling; 281 top valve parts; 282 elastic components; 30 power set; 31 motors; 311 axles; 3111 first shaft parts; 3112 second shaft parts; 32 power supplys; 33 control knobs; 40 transmission devices; 41 drive links; 411 driving sections; 412 connecting portions; 413 shoulders; 414 ends; 42 bevel gears; 43 first elastic components; 44 first steel ball groups; 441 steel balls; 45 first packing rings; 46 second elastic components; 47 second packing rings; 48 second steel ball groups; 481 steel balls; L1 first axle; L2 second axis; D1 first internal diameter; D2 second internal diameter; H1 first external diameter; H2 second external diameter; α first angle; β second angle; A1 first diameter of axle; A2 second diameter of axle.

Detailed description of the invention

Relevant the technology used in the present invention, means and effect thereof, hereby lift a preferred embodiment and coordinate graphic detailed description as after, this is only for explanation, restriction not by this kind of structure in patent application.

Shown in Fig. 6, be the stereo appearance figure of electric sleeve barrel ratchet spanner of the present invention, three-dimensional exploded view and sectional view.Electric sleeve barrel ratchet spanner of the present invention includes a body 10, spine move device 20, power set 30 and a transmission device 40.

This body 10 has a first end 101 and one the second end 102 along a first axle L1 and this first end 101 interval, this body 10 comprises a spine move hole 11, a storage tank 12, a connecting hole 13 and a driving groove 14, this spine move hole 11 is adjacent to this first end 101, and a teeth portion 111 is established away from an internal face ring of this storage tank 12 side in this spine move hole 11, this storage tank 12 is adjacent to this second end 102 and is communicated with this connecting hole 13, this connecting hole 13 is communicated with in contrast to the side of this storage tank 12 with this driving groove 14, this driving groove 14 is communicated with in contrast to the side of this connecting hole 13 with this spine move hole 11.

The connecting hole 13 of this body 10 is first linkage section 131 along this first axle L1 interval, second linkage section 132 and the 3rd linkage section 133, this first linkage section 131 has a first internal diameter D1 along the radial direction of this first axle L1, this second linkage section 132 has a second internal diameter D2 along the radial direction of this first axle L1, this second internal diameter D2 is less than this first internal diameter D1, the two ends that 3rd linkage section 133 is contrary are communicated with this second linkage section 132 with this first linkage section 131 respectively along this first axle L1, a first angle α is formed between one internal face of the 3rd linkage section 133 and an internal face of this first linkage section 131, more preferably, this first angle α is 120 degree.Therefore, when processing the connecting hole 13 of this body 10, the drill bit that producer first can be equal to this first internal diameter D1 with external diameter processes this first linkage section 131, then process this second linkage section 132 at the drill bit being equal to this second internal diameter D2 with external diameter and be communicated with this driving groove 14, and this external diameter be equal to the bit edge end of this first internal diameter D1 processed after can make to be formed between the internal face of the 3rd linkage section 133 and the internal face of this first linkage section 131 the first angle α of 120 degree, reach by this and process effect fast, to reduce manufacturing cost.

This body 10 comprises shank part 16 and the extension 17 that 15, one, a head supplies user's gripping, this head 15 is adjacent to this first end 101, this shank part 16 is adjacent to this second end 102, this extension 17 connects this head 15 and this shank part 16 respectively along the two ends that this first axle L1 is contrary, in the present embodiment, this extension 17 connects this head 15 and this shank part 16 respectively with friction welding.

This spine move hole 11 is formed at this head 15 with this driving groove 14, this storage tank 12 is formed at this shank part 16, this connecting hole 13 is formed at this extension 17, this extension 17 has the cross section of a rectangle along vertical this first axle L1 direction, the structure that electric sleeve barrel ratchet spanner of the present invention has flat handle is reached by the setting of rectangular cross section, because the round handle structure of the more general existing spanner of radial direction force of flat handle is strong, so electric sleeve barrel ratchet spanner of the present invention has the stronger advantage of structural strength.

More preferably, this driving groove 14 is one and a half months shape groove and is formed at this head 15, and the direction of vertical this first axle L1 in edge, two ends that this driving groove 14 is contrary is closed.

This body 10 arranges a perforation 18 in this grip part 16 along the radial direction of this first axle L1, and this perforation 18 is communicated with this storage tank 12.

Referring to Fig. 7 to Fig. 9, this spine move device 20 is arranged at the spine move hole 11 of this body 10 rotationally along the second axis L2 of vertical this first axle L1 and comprises a spine move part 21, and be hubbed at the ratchet block group 22 of this spine move part 21, first ring gear 23 being sheathed on this spine move part 21 rotationally and second ring gear 24 and one can be inserted in this spine move part 21 rotatably reversing bar 25 along this second axis L2.One end that this spine move part 21 is adjacent to this second ring gear 24 can connect a sleeve (not shown).

This ratchet block group 22 to be arranged between this first ring gear 23 and this second ring gear 24 and to comprise two main gear blocks 221, a first secondary tooth block 222 and a second secondary tooth block 223, these two main gear blocks 221 are hubbed at this spine move part 21, and these two main gear blocks 221 optionally engage with the teeth portion 111 of this body 10 respectively, more preferably, one of them direction with this first secondary tooth block 222 along parallel this second axis L2 of these two main gear blocks 221 is coaxially hubbed at this spine move part 21, another main gear block 221 and this second secondary tooth block 223 are coaxially hubbed at this spine move part 21 along the direction of parallel this second axis L2.

This first ring gear 23 is positioned at same level position with this first secondary tooth block 222 along this second axis L2, this two main gear block 221 is positioned at same level position along this second axis L2, this second ring gear 24 is positioned at same level position with this second secondary tooth block 223 along this second axis L2, and this first secondary tooth block 222 is arranged at the contrary both sides of this spine move part 21 with the radial direction of this second secondary tooth block 223 along this second axis L2 and is positioned at different horizontal level along this second axis L2.

This first ring gear 23 and this second ring gear 24 can rotate along this second axis L2 relative to this spine move part 21 respectively clockwise or counterclockwise, this first ring gear 23 has an interior teeth portion 231,241 and end tooth portion 232,242 respect to one another respectively with this second ring gear 24, the interior teeth portion 231 of this first ring gear 23 optionally engages with this first secondary tooth block 222, and the interior teeth portion 241 of this second ring gear 24 optionally engages with this second secondary tooth block 223.

This reversing bar 25 can rotate along this second axis L2 relative to this spine move part 21, this first secondary tooth block 222 is optionally engaged with this first ring gear 23 or this second ring gear 24 respectively with this second secondary tooth block 223, reach the function of commutation by this, this reversing bar 25 has a through hole 251, first accommodating hole 252 and second accommodating hole 253, this through hole 251 runs through this reversing bar 25 along the radial different both sides of this second axis L2, this first accommodating hole 252 and this second accommodating hole 253 lay respectively at this reversing bar 25 along the radial different both sides of this second axis L2 and all do not run through this reversing bar 25, this spine move device 20 comprises a main top and to pull group 26, pull group 27 and one second of one first top pushes up group 28 of pulling, this main top group 26 of pulling is arranged at the through hole 251 of this reversing bar 25 and comprises a two top valve parts 261 and elastic component 262, pull two top valve parts 261 of group 26 of this main top push up two main gear blocks 221 of this ratchet block group 22 of pulling respectively, this main top pull the elastic component 262 of group 26 be resisted against this main top pull group 26 two top valve parts 261 between, this first top group 27 of pulling is arranged at the first accommodating hole 252 of this reversing bar 25 and comprises an a top valve part 271 and elastic component 272, this first top, one end of pushing up the top valve part 271 of group 27 of pulling is pulled in the first secondary tooth block 222 of this ratchet block group 22, pull the elastic component 272 of group 27 of pulling in this first top in pull other end top of top valve part 271 of group 27, this first top, this second top group 28 of pulling is arranged at the second accommodating hole 253 of this reversing bar 25 and comprises an a top valve part 281 and elastic component 282, this second top, one end of pushing up the top valve part 281 of group 28 of pulling is pulled in the second secondary tooth block 223 of this ratchet block group 22, pull the elastic component 282 of group 28 of pulling in this second top in pull other end top of top valve part 281 of group 28, this second top.By this, user can rotate this reversing bar 25 along this second axis L2 and change the direction of this two main gear block 221, this first top pull top valve part 281 top of group 28 of the direction of this first secondary tooth block 222 and this second top of pulling, top valve part 271 top of group 27 of pulling of pulling, two valve parts 261 tops, top of group 26 of pulling, this main top and to pull the direction of this second secondary tooth block 223, reaches the function of commutation by this.

These power set 30 are placed in the storage tank 12 of this body 10 and comprise a motor 31 and a power supply 32.In the present embodiment, this motor 31 is for nonreversing motor and be fixedly arranged at this storage tank 12 and cannot at random move, this power supply 32 is battery, this motor 31 has an axle 311, this power supply 32 is electrically connected with this motor 31 and provides this motor 31 power source, this axle 311 is rotated along this first axle L1, the axle 311 of this motor 31 one along this first axle L1 interval the first shaft part 3111 and the one the second shaft parts 3112 be connected with this first shaft part 3111, this first shaft part 3111 has first diameter of axle A1 and direction along vertical this first axle L1 has circular cross section along the radial direction of this first axle L1, this second shaft part 3112 has second diameter of axle A2 and direction along vertical this first axle L1 has semi-circular cross-section along the radial direction of this first axle L1, this second diameter of axle A2 is less than this first diameter of axle A1, these power set 30 comprise a control knob 33, this control knob 33 be arranged at this body 10 perforation 18 and be electrically connected with this motor 31 and the startup that can control this motor 31 whether.

This transmission device 40 comprises a drive link 41, bevel gear 42 and first elastic component 43, this drive link 41 can be arranged at the connecting hole 13 of this body 10 rotationally along this first axle L1 and be connected with the axle 311 of this motor 31, this drive link 41 has a driving section 411 in contrast to one end of this motor 31, and this driving section 411 has rectangular cross section along the direction of vertical this first axle L1.This bevel gear 42 is placed in this driving groove 14 and can is socketed on the driving section 411 of this drive link 41 movably along this first axle L1 and optionally engages with this first ring gear 23 with the end tooth portion 232,242 of the second ring gear 24 or depart from, this first elastic component 43 is sheathed on the driving section 411 of this drive link and is optionally subject to this bevel gear 42 and compresses

The drive link 41 of this transmission device 40 more comprises a connecting portion 412 and a shoulder 413, the two ends that this shoulder 413 is contrary connect this driving section 411 and this connecting portion 412 respectively along this first axle L1, this first elastic component 43 is resisted against between this shoulder 413 and this bevel gear 42, this connecting portion 412 has a first external diameter H1 along the radial direction of this first axle L1, this shoulder 413 has a second external diameter H2 along the radial direction of this first axle L1, this second external diameter H2 is less than this first external diameter H1, a second angle β is formed between one end face of this connecting portion 412 this shoulder 413 contiguous and an outside wall surface of this shoulder 413, more preferably, this second angle β is 120 degree.

This transmission device 40 comprises a first steel ball group 44, first packing ring 45, second elastic component 46, second packing ring 47 and a second steel ball group 48, and this first steel ball group 44 comprises several steel ball 441 and is located on the 3rd linkage section 133 of this connecting hole 13 and between the connecting portion 412 of this drive link 41 and shoulder 413 along the circumferencial direction of this first axle L1.The second shaft part 3112 that this first packing ring 45 has this axle 311 of semicircular Kong Bingyu matches, this second packing ring 47 has a circular port, this first packing ring 45, this second elastic component 46 and this second packing ring 47 are sheathed on the second shaft part 3112 of this axle 311 in order, the side of this first packing ring 45 is resisted against this first shaft part 3111, make this first packing ring 45 cannot slide onto the first shaft part 3111 of this axle 311, this second elastic component 46 is resisted against this first packing ring 45 respectively in contrast to the side of this first shaft part 3111 and this second packing ring 47 in contrast to the side of this second steel ball group 48 along the two ends that this first axle L1 is contrary, more preferably, this first elastic component 43 is coil spring with this second elastic component 46, and the stiffness factor of this second elastic component 46 is greater than the stiffness factor of this first elastic component 43.This drive link 41 has an end 414 in contrast to one end of this driving section 411, one end of this end 414 is connected along this first axle L1 with this connecting portion 412, the other end of this end 414 connects the second shaft part 3112 of the axle 311 of this motor 31, and this second steel ball group 48 comprises several steel ball 481 and circumferencial direction along this first axle L1 is located between the internal face of the end 414 of this drive link 41 and the first linkage section 131 of connecting portion 412 and this second packing ring 47 and this connecting hole 13.

Referring to Figure 10 to Figure 12, when this bevel gear 42 and the end tooth portion 232 of this first ring gear 23 with this second ring gear 24, 242 engagements, the axle 311 of this motor 31 drives this drive link 41 to rotate along this first axle L1 with this bevel gear 42, this bevel gear 42 drives this first ring gear 23 to rotate clockwise or counterclockwise relative to this spine move part 21 along this second axis L2 with this second ring gear 24 respectively, and one of them drives this spine move part 21 to rotate along this second axis L2 to make this spine move part 21 be with moving sleeve to rotate with these two main gear blocks 221 and this first secondary tooth block 222 or this second secondary tooth block 223.By this, electric sleeve barrel ratchet spanner of the present invention is reached and is not moved this shank part 16 and can change into the rotation relation of this spine move part 21 along this second axis L2 by the axle 311 of this motor 31 along this first axle L1 rotation.

Referring again to Figure 13 and Figure 14, excessive resistance is met when this motor 31 rotates to be with moving sleeve to drive during nut, such as: the long bolt in construction site often has raw problem of embroidering to occur, and make nut be stuck in the raw embroidery place of long bolt and produce excessive resistance and be difficult to rotate, the torsion of this motor 31 is made to be not enough to drive this drive link 41 to drive this spine move part 21, make this spine move part 21 cannot rotational sleeve, this bevel gear 42 along this first axle L1 relatively this drive link 41 driving section 411 slippage and depart from the end tooth portion 232 of this first ring gear 23 and this second ring gear 24, 242 also compress this first elastic component 43 simultaneously, now due to this second packing ring 47 of this second elastic component 46 pushing tow and this drive link 41, make this bevel gear 42 still also can produce the state of jumping tooth and cannot engage against this first ring gear 23 with this second ring gear 24, now this motor 31 continues to rotate, user can hear this bevel gear 42 and jump tooth between this first ring gear 23 and this second ring gear 24 and cannot engage and the Da Da sound clashing into generation, user can grip this shank part 16 and another the second end 102 pulling this body 10 with manpower, with the mode of manual force make forcibly this bevel gear 42 along this second axis L2 relative to driving section 411 slippage of this drive link and again side by side with the end tooth portion 232 of this first ring gear 23 with this second ring gear 24, 242 engagements and to be with moving sleeve to make cap rotation cross resistance excessive, as the region of getting rusty, when behind the region that user is excessive by sleeve resistance with manpower, this bevel gear 42 can be replied again and engaged and drive this first ring gear 23 with this second ring gear 24 and drive this spine move part 21 to rotate to be with moving sleeve to rotate along this second axis L2, solve the box spanner that general impersonal force drives by this and cannot solve the problem that sleeve is difficult to overcome excessive resistance.

Just illustrate that can summarize electric sleeve barrel ratchet spanner of the present invention has the following advantages above:

1. the bevel gear 42 of electric sleeve barrel ratchet spanner of the present invention and the end tooth portion 232 of this first ring gear 23 and this second ring gear 24, 242 engagements, the axle 311 of this motor 31 drives this drive link 41 to rotate along this first axle L1 with this bevel gear 42, this bevel gear 42 drives this first ring gear 23 to rotate clockwise or counterclockwise relative to this spine move part 21 along this second axis L2 with this second ring gear 24 respectively, and one of them drives this spine move part 21 to rotate along this second axis L2 to make this spine move part 21 be with moving sleeve to rotate with these two main gear blocks 221 and this first secondary tooth block 222 or this second secondary tooth block 223.Reach by this and do not move this shank part 16 and the rotation relation of this spine move part 21 along this second axis L2 can be changed into by the axle 311 of this motor 31 along this first axle L1 rotation, thus reach time saving and energy saving effect.

2. the extension 17 of electric sleeve barrel ratchet spanner of the present invention has the cross section of a rectangle along vertical this first axle L1 direction, the structure that electric sleeve barrel ratchet spanner of the present invention has flat handle is reached by the setting of rectangular cross section, because the round handle structure of the more general existing spanner of radial direction force of flat handle is strong, so electric sleeve barrel ratchet spanner of the present invention has the stronger advantage of structural strength.

3. meet excessive resistance during electric sleeve barrel ratchet spanner band moving sleeve of the present invention, the nut of such as sleeve connection gets rusty, this spine move part 21 cannot rotational sleeve by excessive resistance, this bevel gear 42 along this first axle L1 relatively this drive link 41 driving section 411 slippage and depart from the end tooth portion 232 of this first ring gear 23 and this second ring gear 24,242 also compress this first elastic component 43 simultaneously, user can grip this shank part 16 and pull the second end 102 of this body 10 with manpower, make forcibly this bevel gear 42 along this second axis L2 relative to driving section 411 slippage of this drive link and again side by side with the end tooth portion 232 of this first ring gear 23 with this second ring gear 24,242 engage and are with moving sleeve, when behind the region that user is excessive by sleeve resistance with manpower, this bevel gear 42 can be replied again and engaged and drive this first ring gear 23 with this second ring gear 24 and drive this spine move part 21 to rotate to be with moving sleeve to rotate along this second axis L2, the box spanner solving general impersonal force drive by this cannot solve the problem that sleeve is difficult to overcome excessive resistance.

Only above-mentioned person, be only preferred embodiment of the present invention, when can not with restriction scope of the invention process, therefore the change of numerical value or the displacement of equivalence element such as, or change and modification according to the equalization that the present patent application the scope of the claims is done, all still should belong to the category that patent of the present invention contains.

Claims

1. an electric sleeve barrel ratchet spanner, is characterized in that it includes:

A body, it has second end at a first end and and this first end interval, and the internal face ring that this body is adjacent to this first end side establishes a teeth portion;

A spine move device, it is arranged at the first end of this body and comprises a spine move part, a ratchet block group being hubbed at this spine move part, be sheathed on the reversing bar that first ring gear of this spine move part and second ring gear and are inserted in this spine move part rotationally, this ratchet block group to be arranged between this first ring gear and this second ring gear and to comprise two main gear blocks, a first secondary tooth block and a second secondary tooth block, these two main gear blocks are hubbed at this spine move part, and this two main gear block optionally engages with the teeth portion of this body respectively, this first ring gear and this second ring gear can rotate relative to this spine move part respectively clockwise or counterclockwise, this first ring gear and this second ring gear have an interior teeth portion and an end tooth portion respect to one another respectively, the interior teeth portion of this first ring gear optionally engages with this first secondary tooth block, the interior teeth portion of this second ring gear optionally engages with this second secondary tooth block, this reversing bar rotates relative to this spine move part, this first secondary tooth block is made optionally to engage with this first ring gear or this second ring gear the function producing and commutate respectively with this second secondary tooth block, and one end that this spine move part is adjacent to this second ring gear can branch sleeve,

Power set, it is placed in the second end of this body and comprises a motor and a power supply, and this motor has an axle, and this power supply and this motor are electrically connected, and make this central axis; And

A transmission device, it comprises a drive link, a bevel gear and first elastic component, this drive link is arranged at this body rotationally and is connected with the axle of this motor, this drive link has a driving section in contrast to one end of this motor, this bevel gear is socketed on the driving section of this drive link movably and optionally engages with the end tooth portion of the second ring gear with this first ring gear or depart from, and this first elastic component is sheathed on the driving section of this drive link and this bevel gear of pushing tow;

When this bevel gear engages with the end tooth portion of this second ring gear with this first ring gear, the axle of this motor drives this drive link and this bevel-gear rotating, this bevel gear drives this first ring gear and this second ring gear to rotate clockwise or counterclockwise relative to this spine move part respectively, and one of them drives the rotation of this spine move part to be with moving sleeve to rotate with this two main gear block and this first secondary tooth block or this second secondary tooth block;

Excessive resistance is met when being with moving sleeve, this bevel gear relatively this drive link driving section slippage and depart from the end tooth portion of this first ring gear and this second ring gear and compress this first elastic component, separately can pull this body with manpower, make this bevel gear relative to the driving section slippage of this drive link and again side by side engage with the end tooth portion of this second ring gear with this first ring gear and be with moving sleeve with this.

2. electric sleeve barrel ratchet spanner as claimed in claim 1, wherein this body comprises a connecting hole, this connecting hole is along one, a first axle interval the first linkage section, second linkage section and the 3rd linkage section, this first linkage section has first internal diameter along the radial direction of this first axle, this second linkage section has second internal diameter along the radial direction of this first axle, this second internal diameter is less than this first internal diameter, the two ends that 3rd linkage section is contrary are communicated with this second linkage section with this first linkage section respectively along this first axle, first angle is formed between the internal face of the 3rd linkage section and the internal face of this first linkage section, this first angle is 120 degree,

The drive link of this transmission device is placed in this connecting hole rotationally and comprises a connecting portion and a shoulder, the two ends that this shoulder is contrary connect this driving section and this connecting portion respectively along this first axle, this first elastic component is resisted against between this shoulder and this bevel gear, this connecting portion has first external diameter along the radial direction of this first axle, this shoulder has second external diameter along the radial direction of this first axle, this second external diameter is less than this first external diameter, second angle is formed between one end face of this connecting portion this shoulder contiguous and the outside wall surface of this shoulder, this second angle is 120 degree.

3. electric sleeve barrel ratchet spanner as claimed in claim 2, wherein this transmission device also comprises a first steel ball group, and this first steel ball group comprises several steel ball and is located on the 3rd linkage section of this connecting hole and between the connecting portion of this drive link and shoulder along the circumferencial direction of this first axle.

4. electric sleeve barrel ratchet spanner as claimed in claim 3, wherein the axle of this motor is along one, this first axle interval the first shaft part and second shaft part be connected with this first shaft part, this first shaft part has first diameter of axle and direction along this first axle vertical has circular cross section along the radial direction of this first axle, this second shaft part has second diameter of axle and direction along this first axle vertical has semi-circular cross-section along the radial direction of this first axle, and this second diameter of axle is less than this first diameter of axle;

This transmission device comprises first packing ring, second elastic component, second packing ring and a second steel ball group, the second shaft part that this first packing ring has semicircular this axle of Kong Bingyu matches, this second packing ring has a circular port, this first packing ring, this second elastic component and this second packing ring are sheathed on the second shaft part of this axle in order, the side of this first packing ring is resisted against this first shaft part, this second elastic component is resisted against this first packing ring respectively in contrast to the side of this first shaft part and this second packing ring in contrast to the side of this second steel ball group along the two ends that this first axle is contrary,

This drive link has an end in contrast to one end of this driving section, one end of this end is connected along this first axle with this connecting portion, the other end of this end connects the second shaft part of the axle of this motor, and this second steel ball group comprises several steel ball and circumferencial direction along this first axle is located between the internal face of the end of this drive link and the first linkage section of connecting portion and this second packing ring and this connecting hole.

5. electric sleeve barrel ratchet spanner as claimed in claim 4, wherein this first elastic component and this second elastic component are coil spring, and the stiffness factor of this second elastic component is greater than the stiffness factor of this first elastic component.

6. the electric sleeve barrel ratchet spanner according to any one of claim 2 to 5, wherein this body comprises a head, a shank part for user's gripping and an extension, this head is adjacent to this first end, this shank part is adjacent to this second end, this extension connects this head and this shank part respectively along the two ends that this first axle is contrary, a spine move hole and a driving groove are formed at this head, the internal face in this spine move hole forms this teeth portion and is communicated with this driving groove, a storage tank is formed at this shank part and these power set accommodating, this connecting hole is formed at this extension, this extension has the cross section of a rectangle along this first axle direction vertical, the structure of flat handle is reached in setting by rectangular cross section, because the round handle structure of the more general existing spanner of radial direction force of flat handle is strong.

7. electric sleeve barrel ratchet spanner as claimed in claim 6, wherein this driving groove is one and a half months shape groove and is formed at this head, and the direction of edge, two ends this first axle vertical that this driving groove is contrary is closed.

8. electric sleeve barrel ratchet spanner as claimed in claim 6, wherein this body arranges a perforation in this grip part along the radial direction of this first axle, this perforation is communicated with this storage tank, these power set comprise a control knob, and this control knob is arranged at the perforation of this body and is electrically connected with this motor and can controls this motor.

9. the electric sleeve barrel ratchet spanner according to any one of claim 2 to 5, wherein this motor is nonreversing motor, and this axle can be rotated along this first axle, this spine move device is arranged at this body rotationally along the second axis of this first axle vertical, this first ring gear and this first secondary tooth block are positioned at same level position along this second axis and can rotate clockwise or counterclockwise relative to this spine move part along this second axis respectively, this two main gear block is positioned at same level position along this second axis, this second ring gear and this second secondary tooth block are positioned at same level position along this second axis, this first secondary tooth block is arranged at the contrary both sides of this spine move part with the radial direction of this second secondary tooth block along this second axis and is positioned at different horizontal level along this second axis.

10. electric sleeve barrel ratchet spanner as claimed in claim 9, wherein this reversing bar has a through hole, first accommodating hole and second accommodating hole, this through hole runs through this reversing bar along the radial different both sides of this second axis, this first accommodating hole and this second accommodating hole lay respectively at this reversing bar along the radial different both sides of this second axis, this spine move device comprises a main top and to pull group, pull to organize and push up with one second group of pulling in one first top, this main top group of pulling is arranged at the through hole of this reversing bar and comprises a two top valve parts and elastic component, pull two top valve parts of group of this main top push up two main gear blocks of this ratchet block group of pulling respectively, this main top pull group elastic component be resisted against this main top pull group two top valve parts between, this first top group of pulling is arranged at the first accommodating hole of this reversing bar and comprises an a top valve part and elastic component, this first top, one end of pushing up the top valve part of group of pulling is pulled in the first secondary tooth block of this ratchet block group, pull the elastic component of group of pulling in this first top in pull other end top of top valve part of group, this first top, this second top group of pulling is arranged at the second accommodating hole of this reversing bar and comprises an a top valve part and elastic component, this second top, one end of pushing up the top valve part of group of pulling is pulled in the second secondary tooth block of this ratchet block group, pull the elastic component of group of pulling in this second top in pull other end top of top valve part of group, this second top.