CN104416508B - Ratchet spanner - Google Patents
Ratchet spanner Download PDFInfo
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- CN104416508B CN104416508B CN201310397926.4A CN201310397926A CN104416508B CN 104416508 B CN104416508 B CN 104416508B CN 201310397926 A CN201310397926 A CN 201310397926A CN 104416508 B CN104416508 B CN 104416508B
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- ratchet
- hole
- teeth portion
- block
- location
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
- B25B13/463—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an externally toothed wheel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The present invention is a kind of ratchet spanner, including a body, driving head, ratchet, at least one ratchet block and a reversing arrangement.Body has an accommodation chamber, and accommodation chamber includes first section and second section；Driving head is rotatably arranged in the first section, and the different two ends of driving head have first teeth portion and a drive division, and the first teeth portion is located on the outer peripheral edge of driving head, and drive division can drive a part to be driven；Ratchet is rotatably arranged in the second section of accommodation chamber, and ratchet has second teeth portion and the 3rd teeth portion, and the second teeth portion and the 3rd teeth portion are located on the two ends that the outer peripheral edge of ratchet is different respectively, and the second teeth portion is engaged in the first teeth portion of driving head；Ratchet block is slidedly arranged on the second section of accommodation chamber, and ratchet block has the 4th teeth portion, and the 4th teeth portion is located at ratchet block and is adjacent to the end face of ratchet, and the 4th teeth portion is optionally engaged in the 3rd teeth portion of ratchet；Reversing arrangement is hubbed at body and pulls in top ratchet block.
Description
Technical field
The present invention mainly discloses a kind of ratchet spanner, espespecially a kind of reversing ratchet wrench.
Background technology
Traditional ratchet wrench structure, it mainly arranges an accommodating hole in ratchet spanner, a ratchet can be housed in the inner, ratchet outer peripheral edge has tooth engaged, accommodating hole sets storage tank in side, storage tank is in appropriate location projection one hinged arm, hinged arm can be pivoted a gear, the tooth of gear is mutually meshing with the tooth engaged of ratchet, ratchet spanner extends a body of rod, portion is through hole in the inner, insert for a rack, rack front end forms teeth portion, can be mutually meshing with the tooth of gear after being inserted in the body of rod, numerical control assembly is placed in storage tank and then can control the just reverse of ratchet or unidirectional turn, thus, the space of storage tank is except can arranging and controlling just reverse or the unidirectional turn screw piece that assembly controls ratchet, and the gear that is pivoted, gear can be rotated and turn ratchet turn screw piece again by swing pinion bar, a kind of double, two ratchet wrench structure planting turn screw piece effect is provided.
Above-mentioned numerical control assembly can be the combinative structure of tooth processed, steering block, two blocking elements and two elastomers, whereby combinative structure and control the just reverse of ratchet or unidirectional turn.But, the design of combinations thereof structure must rely on the occluding relation between tooth processed and ratchet to reach the effect just reversed.And also engaged between gear and ratchet, gear can be rotated and turn ratchet turn screw piece again by swing pinion bar.Therefore, tooth processed is snapped at the effect that is engaged of ratchet with gear the necessity improved, and can provide a structural strength preferably reversing ratchet wrench.
Because above-mentioned problem of the prior art cannot effectively solve and overcome, therefore the applicant proposes present patent application, to solve problem point.
Summary of the invention
The present invention is intended to solve the technical problem that to be in that: the structural strength of tradition ratchet spanner is not good.
For this, the present invention provides a kind of ratchet spanner, and it includes:
One body, it has an accommodation chamber, and this accommodation chamber includes first section and second section；
One driving head, it can be rotatably arranged in the first section of this accommodation chamber, and the different two ends of this driving head have first teeth portion and a drive division, and this first teeth portion is located on the outer peripheral edge of this driving head, and this drive division can drive a part to be driven；
One ratchet, it can be rotatably arranged in the second section of this accommodation chamber, this ratchet has second teeth portion and the 3rd teeth portion, and this second teeth portion and the 3rd teeth portion are located on the two ends that the outer peripheral edge of this ratchet is different respectively, and this second teeth portion is engaged in the first teeth portion of this driving head；
At least one ratchet block, it is slidedly arranged on the second section of this accommodation chamber, and this ratchet block has the 4th teeth portion, and the 4th teeth portion is located at this ratchet block and is adjacent to the end face of this ratchet, and the 4th teeth portion is optionally engaged in the 3rd teeth portion of this ratchet；And
One reversing arrangement, it is hubbed at this body and pulls this at least one ratchet block in top.
Described ratchet spanner, wherein, this body has hole, a location, and this hole, location is connected with the second section of this accommodation chamber.
Described ratchet spanner, wherein, the end face that this at least one ratchet block is away from the 4th teeth portion has a groove, and this reversing arrangement is hubbed at the location Kong Bingding of this body and pulls the groove of this at least one ratchet block.
Described ratchet spanner, wherein, this reversing arrangement includes a reversing piece and at least one first elastic component, this reversing piece includes a clicking section, a drive portion and at least one the first appearance hole, this clicking section and this drive portion lay respectively at the two ends that this reversing piece is different, and this clicking section exposes to the hole, location of this body, this at least one first hold recessed outer peripheral edge in this drive portion, hole and be adjacent to one end of this ratchet block, this first elastic component is placed in the first of this reversing piece to be held Kong Bingding and pulls the groove of this at least one ratchet block.
Described ratchet spanner, wherein, this reversing arrangement includes two the first elastic components and one first top valve part, this reversing piece includes two first and holds hole, these two first elastic components are respectively contained in two first appearance holes of this reversing piece, pull in one of them between this first elastic component and groove of this at least one ratchet block in this valve part top, the first top, and another first elastic component directly pushes up the groove of this at least one ratchet block of pulling.
Described ratchet spanner, wherein, this reversing arrangement includes first elastic component and one first top valve part, this reversing piece includes one first and holds hole, this first elastic component is placed in the first appearance hole of this reversing piece, pulls between this first elastic component and the groove of this at least one ratchet block in this valve part top, the first top.
Described ratchet spanner, wherein, the inner peripheral in this hole, location is away from recessed two locating slots in one end of this at least one ratchet block, this reversing arrangement more includes second elastic component and one second top valve part, this reversing piece more includes one second and holds hole, this second holds the recessed outer peripheral edge in this drive portion, hole away from this first one end holding hole, this second elastic component is placed in the second appearance hole of this reversing piece, pulls between this second elastic component and one of them locating slot in this hole, location in this valve part top, the second top.
Described ratchet spanner, wherein, including two ratchet blocks and a resilient bias, this resilient bias is biased between this two ratchets block.
Described ratchet spanner, wherein, this ratchet block each has a location division, and this location division is convexly equipped in the end face of this ratchet block each and is placed in the hole, location of this body, pulls in this reversing arrangement in the top, location division of this ratchet block each.
Described ratchet spanner, wherein, this reversing arrangement includes a reversing piece, this reversing piece exposes to the hole, location of this body, this reversing piece includes a clicking section, a drive portion and a clamping groove, this clicking section and this drive portion lay respectively at the two ends that this reversing piece is different, and this clamping groove is formed at this drive portion and is adjacent to one end of this two ratchets block pushing up mutually with the location division of this two ratchets block and pulls.
Described ratchet spanner, wherein, this reversing piece is away from recessed two detents in one end of this ratchet in the internal face of this clamping groove, this two detent respectively with the location division of this two ratchets block optionally mutually top pull.
Described ratchet spanner, wherein, this body is adjacent to this hole, location and is provided with a pivoted hole and a locating flange, this reversing piece is provided with an articulated section and two location dimples in this drive portion, the articulated section of this reversing piece is hubbed at the pivoted hole of this body, and the locating flange of this body optionally clip is in one of them location dimples of this reversing piece.
Described ratchet spanner, wherein, the different both ends of the surface of this body include a first surface and a second surface, this accommodation chamber penetrates this second surface, this body is provided with two connecting holes in this first surface, two connectors are arranged in this two connecting hole and are connected with two fixing holes of a cover plate fixing so that this cover plate is embedded at this body.
Described ratchet spanner, wherein, this body is adjacent to this two connecting hole in this first surface and is provided with first through hole, this cover plate is provided with second through hole and third through-hole, the different two ends of this driving head are located in this first through hole and this second through hole respectively, and the drive division of this driving head exposes to the second through hole of this cover plate, one end of this ratchet is located in the third through-hole of this cover plate.
Major technique effect of the present invention is in that: be engaged in the first teeth portion of this driving head by the second teeth portion of this ratchet, 3rd teeth portion of this ratchet and the 4th teeth portion of this ratchet block are intermeshed, this ratchet spanner can drive part to be driven and this ratchet can be provided by the 4th teeth portion of this ratchet block to have preferably engaging structure power when being engaged in this ratchet block, and provides the effect rotating one low-angle of this ratchet spanner and provide bigger torsion.
Secondary technology effect of the present invention is in that: driving head, ratchet and ratchet block are separately manufactured and intermesh, manufacture method is easy, and the accommodation chamber flow process that is assembled to body is quick, not only save assembly cost, only need to change, when ratchet spanner damages or keeps in repair, the assembly wherein damaged, significantly increase the service life.
Another technology effect of the present invention is in that: pull in one of them between this first elastic component and groove of this ratchet block in this valve part top, the first top, and another first elastic component directly pushes up the groove of this ratchet block of pulling, make this ratchet block be subject to the bias of this first top valve part and this first elastic component simultaneously, be substantially improved and engage effect between this ratchet block with this ratchet.
Another technology effect of the present invention is in that: this second elastic component is placed in the second appearance hole of this reversing piece, this valve part top, the second top is pulled between this second elastic component and one of them locating slot in this hole, location, to provide positioning function between the hole, location of the reversing piece of this reversing arrangement and this body and to strengthen engaging effect between this ratchet block with this ratchet simultaneously.
The novel characteristics of other purpose, 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 that ratchet spanner first of the present invention is implemented；
Fig. 2 is the three-dimensional exploded view of Fig. 1；
Fig. 3 is the three-dimensional exploded view that another angle of Fig. 1 takes；
Fig. 4 is the sectional view of Fig. 1, represents that a driving head and a ratchet intermesh and this ratchet and a ratchet block intermesh；
Fig. 5 is another sectional view of Fig. 1, represents to pull between one of them the first elastic component and this ratchet block in one first valve part top, top；
Fig. 6 is the another sectional view of Fig. 1, represents to pull this ratchet block in another the first elastic component top；
Fig. 7 is another sectional view of Fig. 1, represents that one second valve part top, top is pulled between one of them locating slot in one second elastic component and a hole, location；
Fig. 8 is the action schematic diagram of ratchet spanner first embodiment of the present invention, represents that a shifting part is positioned at primary importance and this ratchet spanner is rotated in a first direction；
Fig. 9 is the continuity of Fig. 8, represents that this shifting part is positioned at primary importance and this ratchet spanner is rotated in a second direction, and this driving head and this ratchet relatively rotate；
Figure 10 is the continuity of Fig. 9, represents that this shifting part is positioned at primary importance and this ratchet spanner is further rotated in a second direction,；
Figure 11 is the action schematic diagram of ratchet spanner first embodiment of the present invention, represents that this shifting part is positioned at the second position；
Figure 12 is the stereo appearance figure of ratchet spanner the second embodiment of the present invention；
Figure 13 is the three-dimensional exploded view of Figure 12；
Figure 14 is the three-dimensional exploded view that another angle of Figure 12 takes；
Figure 15 is the sectional view of Figure 12；
Figure 16 is the three-dimensional exploded view of ratchet spanner the 3rd embodiment of the present invention；
Figure 17 is the sectional view of ratchet spanner the 3rd embodiment of the present invention.
Description of reference numerals: 10-body；101-first surface；102-second surface；11-accommodation chamber；111-the first section；112-the second section；12-positions hole；121-locating slot；13-connecting hole；14-the first through hole；20-driving head；21-the first teeth portion；22-drive division；30-ratchet；31-the second teeth portion；32-the 3rd teeth portion；40-ratchet block；41-the 4th teeth portion；411-the first engaged section；412-the second engaged section；42-groove；50-reversing arrangement；51-reversing piece；511-clicking section；512-drive portion；513-first holds hole；514-second holds hole；52-the first elastic component；53-first pushes up valve part；54-the second elastic component；55-second pushes up valve part；10a-body；11a-accommodation chamber；111a-the first section；112a-the second section；12a--positions hole；121a-pivoted hole；122a-locating flange；40a-ratchet block；41a-the 4th teeth portion；42a-location division；50a-reversing arrangement；51a-reversing piece；511a-clicking section；512a-drive portion；513a-clamping groove；514a-detent；515a-articulated section；516a-location dimples；50b-reversing arrangement；51b-reversing piece；511b-clicking section；512b-drive portion；513b-first holds hole；514b-second holds hole；52b-the first elastic component；53b-first pushes up valve part；54b-the second elastic component；55b-second pushes up valve part；60-resilient bias；70-connector；80-cover plate；81-fixing hole；82-the second through hole；83-third through-hole.
Detailed description of the invention
Relevant the technology used in the present invention, means and effect thereof, hereby lift three preferred embodiments and coordinate accompanying drawing describe in detail as after, this is only for instructions, not by the restriction of this kind of structure in patent application.
Refer to Fig. 1 to Fig. 4, for the stereo appearance figure of ratchet spanner first embodiment of the present invention, three-dimensional exploded view and sectional view.A kind of ratchet spanner provided by the present invention, it includes a body 20, ratchet 30 of 10, driving head, at least one ratchet block 40 and a reversing arrangement 50, this driving head 20, this ratchet 30 are placed in this body 10 with this at least one ratchet block 40, in the present embodiment, this ratchet spanner includes a ratchet block 40.
The different both ends of the surface of this body 10 include a first surface 101 and a second surface 102, and this body 10 includes an accommodation chamber 11, location 12, one, hole connecting hole 13 and first through hole 14.This accommodation chamber 11 penetrates this second surface 102 and divides first section 111 and second section 112 along a length direction, this hole, location 12 extends to form along a short transverse and is connected with the second section 112 of this accommodation chamber 11, and this short transverse is orthogonal with this length direction.This body 10 wears this two connecting hole 13 in this first surface 101, two connectors 70 are arranged in this two connecting hole 13 respectively and are connected with two fixing holes 81 of a cover plate 80 fixing, this cover plate 80 is made to be embedded at this body 10 so that this driving head 20, this ratchet 30 are firmly placed in this ratchet block 40 and cannot depart from this accommodation chamber 11 in the accommodation chamber 11 of this body 10.This body 10 is adjacent to this two connecting hole 13 in this first surface 101 and is provided with first through hole 14, this cover plate 80 is provided with second through hole 82 and third through-hole 83, first through hole 14 of this body 10 is corresponding along this short transverse with the second through hole 82 of this cover plate 80, the different two ends of this driving head 20 are located in this first through hole 14 and this second through hole 82 respectively, and one end of this ratchet 20 is located in the third through-hole 83 of this cover plate 80.
This driving head 20 is rotatably arranged in the first section 111 of this accommodation chamber 11, this driving head 20 has first teeth portion 21 and a drive division 22 along the two ends that this short transverse is different, this the first teeth portion 21 is located on the outer peripheral edge of this driving head 20, and this drive division 22 exposes to the second through hole 82 of this cover plate 80 and can drive a part (not shown) to be driven.
This ratchet 30 is rotatably arranged in the second section 112 of this accommodation chamber 11, this ratchet 30 has second teeth portion 31 and the 3rd teeth portion 32 along this short transverse, this second teeth portion 31 and the 3rd teeth portion 32 are located on different two ends, the outer peripheral edge of this ratchet 20 and adjacent one another are respectively, make this second teeth portion 31 close together with the end face of the 3rd teeth portion 32, the number of teeth order of this second teeth portion 31 is less than the number of teeth order of the 3rd teeth portion 32, and this second teeth portion 31 is engaged in the first teeth portion 21 of this driving head 20.
This ratchet block 40 is meniscus shaped the second section 112 being slidedly arranged on this accommodation chamber 11 generally, this ratchet block 40 has the 4th teeth portion 41 and a groove 42, 4th teeth portion 41 is located at this ratchet block 40 and is adjacent to an arc-shaped end face of this ratchet 30, this groove 42 is located at this ratchet block 40 and is away from an end face of the 4th teeth portion 41, 4th teeth portion 41 of this ratchet block 40 divides first engaged section 411 and second engaged section 412 along a width and is optionally engaged in the 3rd teeth portion 32 of this ratchet 30, this ratchet spanner is made to have the function of commutation, this width is orthogonal with this short transverse.
Referring to Fig. 5 and Fig. 6, this reversing arrangement 50 includes a reversing piece 51, at least one first elastic component 52 and one first top valve part 53.This reversing piece 51 includes a clicking section 511, one drive portion 512 and at least one the first appearance hole 513, in embodiment, this reversing arrangement 50 includes two the first elastic components 52, this reversing piece 51 includes two first and holds hole 513, this clicking section 511 is positioned at, along this short transverse, the two ends that this reversing piece 51 is different respectively with this drive portion 512, and this clicking section 511 exposes to the hole, location 12 of this body 10 and extends in length direction and stir this reversing piece 51 for user, this two first appearances recessed outer peripheral edge in this drive portion 512 in length direction, hole 513 is adjacent to one end of this ratchet block 40 and is a file along this short transverse, this two first elastic component 52 is respectively contained in two first appearance holes 513 of this reversing piece 51, pull in one of them between this first elastic component 52 and groove 42 of this ratchet block 40 in this valve part 53 top, the first top, and another first elastic component 52 directly pushes up the groove 42 of this ratchet block 40 of pulling, make this ratchet block 40 be subject to the bias of this first top valve part 53 and this first elastic component 52 simultaneously, this ratchet block 40 is made to be engaged in this ratchet 30.
Referring to Fig. 7, hole 12, the location inner peripheral of this body 10 is away from one end recessed two locating slots 121 in length direction of this ratchet block 40, this reversing arrangement 50 more includes second elastic component 54 and one second top valve part 55, this reversing piece 51 more includes one second and holds hole 514, this second holds the recessed outer peripheral edge in this drive portion 512, hole 514 and first holds the one end in hole 513 away from this and extend in length direction, this second elastic component 54 is placed in the second appearance hole 514 of this reversing piece 51, this valve part 55 top, the second top is pulled between one of them locating slot 121 in this second elastic component 54 and this hole, location 12, to provide positioning function between the hole 12, location of the reversing piece 51 of this reversing arrangement 50 and this body 10 and to strengthen engaging effect between this ratchet block 40 with this ratchet 30 simultaneously.
Refer to Fig. 8 to Figure 11, for the action schematic diagram of ratchet spanner first embodiment of the present invention.The reversing piece 51 of this reversing arrangement 50 can switch change between the first location and the second location, and when this reversing piece 51 is positioned at primary importance, this ratchet spanner is rotated in a first direction and can drive part to be driven；When this reversing piece 51 is positioned at the second position, this ratchet spanner is rotated in a second direction, and can drive part to be driven, and second direction is in contrast to first direction.
As shown in Fig. 6 and Fig. 8, pull in one of them between this first elastic component 52 and groove 42 of this ratchet block 40 in this valve part 53 top, the first top, and another first elastic component 52 directly pushes up the groove 42 of this ratchet block 40 of pulling so that this ratchet block 40 is subject to the bias of this first top valve part 53 and this first elastic component 52 simultaneously.When this reversing piece 51 is positioned at primary importance and this ratchet spanner is rotated in a first direction, second teeth portion 31 of this ratchet 30 is engaged in the first teeth portion 21 of this driving head 20, 3rd teeth portion 32 of this ratchet 30 is intermeshed with the first engaged section 411 of the 4th teeth portion 41 and fixes, this ratchet spanner can drive part to be driven to be rotated in a first direction, and this ratchet 30 can be provided when being engaged in this ratchet block 40, to have preferably engaging structure power by the first engaged section 411 of the 4th teeth portion 41, and the effect rotating one low-angle of this ratchet spanner and provide bigger torsion is provided.
As shown in Figures 9 and 10, when this reversing piece 51 is positioned at primary importance and this ratchet spanner is rotated in a second direction, second teeth portion 31 of this ratchet 30 is engaged in the first teeth portion 21 of this driving head 20, and this ratchet 30 relatively rotates with this driving head 20, the 3rd teeth portion 32 making this ratchet 30 is engaged in the first engaged section 411 of the 4th teeth portion 41 and drives second section 112 sliding relative to this accommodation chamber 11 of this ratchet block 40 simultaneously, and then reach effect of spine move, now this ratchet spanner dallies without driving part to be driven.
As shown in figure 11, this reversing piece 51 is positioned at the second position, and the second teeth portion 31 of this ratchet 30 is engaged in the first teeth portion 21 of this driving head 20, and the 3rd teeth portion 32 of this ratchet 30 is intermeshed with the second engaged section 412 of the 4th teeth portion 41.
Refer to Figure 12 to Figure 15, for the stereo appearance figure of ratchet spanner the second embodiment of the present invention, three-dimensional exploded view and sectional view.Driving head 20 in second embodiment of ratchet spanner of the present invention is identical with first embodiment with the structure of ratchet 30, difference is in that the second embodiment of ratchet spanner of the present invention includes a body 10a, two ratchet block 40a, reversing arrangement 50a and one resilient bias 60, and this resilient bias 60 is biased between this two ratchet block 40a.
This body 10a includes an accommodation chamber 11a, location a hole 12a, this accommodation chamber 11a divide first section 111a and one the second section 112a, this hole, location 12a and extends to form along this short transverse and be connected with the second section 112a of this accommodation chamber 11a.
This two ratchet block 40a is slidedly arranged on the second section 112a of this accommodation chamber 11a, and the end face of each this ratchet block 40a extends to form a location division 42a, each this location division 42a along this short transverse and extends and be placed in hole, the location 12a of this body 10a.
This reversing arrangement 50a is hubbed at this body 10a and includes a reversing piece 51a, and this reversing piece 51a exposes to hole, the location 12a of this body 10a.This reversing piece 51a includes a clicking section 511a, one drive portion 512a and one clamping groove 513a, this clicking section 511a and this drive portion 512a lay respectively at this reversing piece 51a along the different two ends of this short transverse, this clamping groove 513a is formed at this drive portion 512a and is adjacent to one end of this two ratchet block 40a, this reversing piece 51a is away from one end recessed two detent 514a in length direction of this ratchet 30 in the internal face of this clamping groove 513a, this two detent 514a optionally pushes up mutually with the location division 42a of this two ratchet block 40a respectively and pulls, make this reversing piece 51a can drive this two ratchet block 40a the second section 112a sliding relative to this accommodation chamber 11a.This body 10a is adjacent to this hole, location 12a and is provided with a pivoted hole 121a and one locating flange 122a, this reversing piece 51a is provided with an articulated section 515a and two location dimples 516a in this drive portion 512a, the articulated section 515a of this reversing piece 51a extends to form and utilizes a C shape clasp to be hubbed at the locating flange 122a optionally clip one of them location dimples 516a in this reversing piece 51a of the pivoted hole 121a of this body 10a, this body 10a along this short transverse.When this reversing piece 51a is positioned at primary importance, pull in one of them detent 514a of this reversing piece 51a in the location division 42a top of one of them this ratchet block 40a, and the 4th teeth portion 41a of one of them this ratchet block 40a is engaged in the 3rd teeth portion 32 of this ratchet 30.
Refer to Figure 16 and Figure 17, for three-dimensional exploded view and the sectional view of ratchet spanner the 3rd embodiment of the present invention.3rd embodiment of ratchet spanner of the present invention is roughly the same with first embodiment, this body 10, this driving head 20, this ratchet 30, this at least one ratchet block 40 structure identical with first embodiment, difference is in that the reversing arrangement 50b of the 3rd embodiment of ratchet spanner of the present invention.
This reversing arrangement 50b includes a reversing piece 51b, first elastic component 52b and one first pushes up valve part 53b.This reversing piece 51b includes a clicking section 511b, one drive portion 512b and one first holds hole 513b, this clicking section 511b and this drive portion 512b is positioned at the different two ends of this reversing piece 51b along this short transverse respectively, and this clicking section 511b exposes to the hole, location 12 of this body 10 and extends in length direction and stir this reversing piece 51b for user, this the first appearance hole 513b recessed outer peripheral edge in this drive portion 512b in length direction is adjacent to one end of this ratchet block 40, this first elastic component 52b is placed in this first appearance hole 513b, this valve part 53b top, the first top is pulled between this first elastic component 52b and the groove 42 of this ratchet block 40, this ratchet block 40 is made to be engaged in this ratchet 30.
This reversing arrangement 50b more includes second elastic component 54b and one second and pushes up valve part 55b, and in the present embodiment, this second top valve part 55b is a ball.This reversing piece 51b more includes one second and holds hole 514b, this second holds that hole 514b is recessed away from this in the outer peripheral edge of this drive portion 512b first to be held one end of hole 513b and extend in length direction, this second elastic component 54b is placed in this second appearance hole 514b, this valve part 55b top, the second top is pulled between one of them locating slot 121 in this second elastic component 54b and this hole, location 12, to provide positioning function between the hole 12, location of this reversing piece 51b and this body 10 and to strengthen engaging effect between this ratchet block 40 with this ratchet 30 simultaneously.
In sum, ratchet spanner of the present invention has the advantage that
1. ratchet spanner of the present invention, it relies on the second teeth portion 31 of this ratchet 30 to be engaged in the first teeth portion 21 of this driving head 20,3rd teeth portion 32 of this ratchet 30 is intermeshed with this ratchet block 40, the 4th teeth portion 41 of 40a, 41a, this ratchet spanner can drive part to be driven and this ratchet 30 can be provided to have preferably engaging structure power when being engaged in this ratchet block 40,40a by this ratchet block 40, the 4th teeth portion 41 of 40a, 41a, to provide the effect rotating one low-angle of this ratchet spanner and provide bigger torsion.
2. the driving head 20 of ratchet spanner of the present invention, ratchet 30 and ratchet block 40,40a is separately manufactured and intermeshes, manufacture method is easy, and it is quick to be assembled to body 10, the accommodation chamber 11 of 10a, 11a flow process, not only save assembly cost, only need to change, when ratchet spanner damages or keeps in repair, the assembly wherein damaged, significantly increase the service life.
3. pull in one of them between this first elastic component 52 and groove 42 of this ratchet block 40 in the first valve part 53 top, top of ratchet spanner of the present invention, and another first elastic component 52 directly pushes up the groove 42 of this ratchet block 40 of pulling, make this ratchet block 40 be subject to the bias of this first top valve part 53 and this first elastic component 52 simultaneously, be substantially improved and engage effect between this ratchet block 40 with this ratchet 30.
4. the second elastic component 54 of ratchet spanner of the present invention is placed in the second appearance hole 514 of this reversing piece 51, this valve part 55 top, the second top is pulled between one of them locating slot 121 in this second elastic component 54 and this hole, location 12, to provide positioning function between the hole 12, location of the reversing piece 51 of this reversing arrangement 50 and this body 10 and to strengthen engaging effect between this ratchet block 40 with this ratchet 30 simultaneously.
Claims (14)
1. a ratchet spanner, it is characterised in that include:
One body, it has an accommodation chamber, and this accommodation chamber includes first section and second section；
One driving head, it can be rotatably arranged in the first section of this accommodation chamber, and the different two ends of this driving head have first teeth portion and a drive division, and this first teeth portion is located on the outer peripheral edge of this driving head, and this drive division can drive a part to be driven；
One ratchet, its the second section that can be rotatably arranged in this accommodation chamber and center of rotation shaft position are fixed, this ratchet has second teeth portion and the 3rd teeth portion, this second teeth portion and the 3rd teeth portion are located on the two ends that the outer peripheral edge of this ratchet is different respectively, this second teeth portion along to the 3rd edge of maximum straight little what, periphery to periphery minimum directly, this second teeth portion is engaged in the first teeth portion of this driving head；
At least one ratchet block, it is slidedly arranged on the second section of this accommodation chamber, and this ratchet block has the 4th teeth portion, and the 4th teeth portion is located at this ratchet block and is adjacent to the end face of this ratchet, and the 4th teeth portion is optionally engaged in the 3rd teeth portion of this ratchet；And
One reversing arrangement, it is hubbed at this body and pulls this at least one ratchet block in top, and this reversing arrangement can switch change between the first location and the second location, and when this reversing arrangement is positioned at primary importance, this at least one ratchet block is resisted against the side of this second section；When this reversing arrangement is positioned at the second position, this at least one ratchet block is resisted against the opposite side that this second section is different.
2. ratchet spanner as claimed in claim 1, it is characterised in that this body has hole, a location, and this hole, location is connected with the second section of this accommodation chamber.
3. ratchet spanner as claimed in claim 2, it is characterised in that the end face that this at least one ratchet block is away from the 4th teeth portion has a groove, this reversing arrangement is hubbed at the location Kong Bingding of this body and pulls the groove of this at least one ratchet block.
4. ratchet spanner as claimed in claim 3, it is characterized in that, this reversing arrangement includes a reversing piece and at least one first elastic component, this reversing piece includes a clicking section, a drive portion and at least one the first appearance hole, this clicking section and this drive portion lay respectively at the two ends that this reversing piece is different, and this clicking section exposes to the hole, location of this body, this at least one first hold recessed outer peripheral edge in this drive portion, hole and be adjacent to one end of this ratchet block, this first elastic component is placed in the first of this reversing piece to be held Kong Bingding and pulls the groove of this at least one ratchet block.
5. ratchet spanner as claimed in claim 4, it is characterized in that, this reversing arrangement includes two the first elastic components and one first top valve part, this reversing piece includes two first and holds hole, these two first elastic components are respectively contained in two first appearance holes of this reversing piece, pull in one of them between this first elastic component and groove of this at least one ratchet block in this valve part top, the first top, and another first elastic component directly pushes up the groove of this at least one ratchet block of pulling.
6. ratchet spanner as claimed in claim 4, it is characterized in that, this reversing arrangement includes first elastic component and one first top valve part, this reversing piece includes one first and holds hole, this first elastic component is placed in the first appearance hole of this reversing piece, pulls between this first elastic component and the groove of this at least one ratchet block in this valve part top, the first top.
7. the ratchet spanner as described in claim 5 or 6, it is characterized in that, the inner peripheral in this hole, location is away from recessed two locating slots in one end of this at least one ratchet block, this reversing arrangement more includes second elastic component and one second top valve part, this reversing piece more includes one second and holds hole, this second holds the recessed outer peripheral edge in this drive portion, hole away from this first one end holding hole, this second elastic component is placed in the second appearance hole of this reversing piece, pulls between this second elastic component and one of them locating slot in this hole, location in this valve part top, the second top.
8. ratchet spanner as claimed in claim 2, it is characterised in that including two ratchet blocks and a resilient bias, this resilient bias is biased between this two ratchets block.
9. ratchet spanner as claimed in claim 8, it is characterised in that this ratchet block each has a location division, and this location division is convexly equipped in the end face of this ratchet block each and is placed in the hole, location of this body, pulls in this reversing arrangement in the top, location division of this ratchet block each.
10. ratchet spanner as claimed in claim 9, it is characterized in that, this reversing arrangement includes a reversing piece, this reversing piece exposes to the hole, location of this body, this reversing piece includes a clicking section, a drive portion and a clamping groove, this clicking section and this drive portion lay respectively at the two ends that this reversing piece is different, and this clamping groove is formed at this drive portion and is adjacent to one end of this two ratchets block pushing up mutually with the location division of this two ratchets block and pulls.
11. ratchet spanner as claimed in claim 10, it is characterised in that this reversing piece is away from recessed two detents in one end of this ratchet in the internal face of this clamping groove, this two detent respectively with the location division of this two ratchets block optionally mutually top pull.
12. ratchet spanner as claimed in claim 11, it is characterized in that, this body is adjacent to this hole, location and is provided with a pivoted hole and a locating flange, this reversing piece is provided with an articulated section and two location dimples in this drive portion, the articulated section of this reversing piece is hubbed at the pivoted hole of this body, and the locating flange of this body optionally clip is in one of them location dimples of this reversing piece.
13. such as claim 1 to 6, ratchet spanner according to any one of 8 to 12, it is characterized in that, the different both ends of the surface of this body include a first surface and a second surface, this accommodation chamber penetrates this second surface, this body is provided with two connecting holes in this first surface, two connectors are arranged in this two connecting hole and are connected with two fixing holes of a cover plate fixing so that this cover plate is embedded at this body.
14. ratchet spanner as claimed in claim 13, it is characterized in that, this body is adjacent to this two connecting hole in this first surface and is provided with first through hole, this cover plate is provided with second through hole and third through-hole, the different two ends of this driving head are located in this first through hole and this second through hole respectively, and the drive division of this driving head exposes to the second through hole of this cover plate, one end of this ratchet is located in the third through-hole of this cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310397926.4A CN104416508B (en) | 2013-09-04 | 2013-09-04 | Ratchet spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310397926.4A CN104416508B (en) | 2013-09-04 | 2013-09-04 | Ratchet spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104416508A CN104416508A (en) | 2015-03-18 |
| CN104416508B true CN104416508B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310397926.4A Expired - Fee Related CN104416508B (en) | 2013-09-04 | 2013-09-04 | Ratchet spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104416508B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109866153B (en) * | 2017-12-01 | 2020-11-24 | 坤鑫国际有限公司 | Transmission tool structure |
| CN108908191A (en) * | 2018-06-06 | 2018-11-30 | 镇江宏强铁路器材有限公司 | A kind of clamp device installation tool |
| CN115194690A (en) * | 2022-08-23 | 2022-10-18 | 浙江拓进五金工具有限公司 | High-precision high-torque ratchet wrench |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6109140A (en) * | 1998-04-09 | 2000-08-29 | Joda Enterprises, Inc. | Ratchet wrench |
| US6260448B1 (en) * | 1999-12-21 | 2001-07-17 | Hand Tool Design Corporation | Top load ratchet wrench |
| CN1151010C (en) * | 2000-03-23 | 2004-05-26 | 胡厚飞 | Ratchet-driven tool |
| CN100343022C (en) * | 2003-07-16 | 2007-10-17 | 陈泰佐 | Reversing ratchet spanner with antiseizing structure |
| CN200960635Y (en) * | 2006-09-26 | 2007-10-17 | 王振辉 | Seizing and transmitting structure for ratchet device |
| TWI372678B (en) * | 2009-09-18 | 2012-09-21 | Koken Tool | Ratchet wrench handle |
| CN103206503B (en) * | 2012-01-16 | 2015-12-09 | 志拓有限公司 | Driving tool |
| TW201341126A (en) * | 2012-04-13 | 2013-10-16 | New Way Tools Co Ltd | Ratchet wrench capable of rotation in smaller angle |
-
2013
- 2013-09-04 CN CN201310397926.4A patent/CN104416508B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104416508A (en) | 2015-03-18 |
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Granted publication date: 20160629 Termination date: 20190904 |