CN103659688A - Ratchet-driven spanner with dustproof structure - Google Patents
Ratchet-driven spanner with dustproof structure Download PDFInfo
- Publication number
- CN103659688A CN103659688A CN201210314006.7A CN201210314006A CN103659688A CN 103659688 A CN103659688 A CN 103659688A CN 201210314006 A CN201210314006 A CN 201210314006A CN 103659688 A CN103659688 A CN 103659688A
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- CN
- China
- Prior art keywords
- depression bar
- diameter
- ratchet wrench
- dust ring
- dustproof construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
Abstract
The invention provides a ratchet-driven spanner with a dustproof structure. The spanner comprises a driving device, a pressure lever and a dustproof ring, wherein a containing hole penetrating through the two sides is formed in the driving device in a penetrating mode, a driving part is arranged in the containing hole, and therefore one end of the driving device can drive a tool head in the shape of a sleeve, the other end of the driving device can be held and operated by a user, a flange is formed in the containing hole, the pressure lever penetrates through the containing hole to be inserted in the driving part, the pressure lever can control the fixing and releasing state of the tool head on the driving device, the dustproof ring is arranged between the flange and the pressure lever and comprises an outer side face and an inner side face, the outer side face abuts against an abutting connection face, the inner side face is adjacent to the pressure lever, one wing sheet is arranged on the inner side face in a protruding mode, the wing sheet is provided with an inner wing face and an outer wing face, the outer wing face abuts against the pressure lever, and the inner wing face is opposite to the outer wing face.
Description
Technical field
The present invention mainly discloses a kind of ratchet wrench with dustproof construction, espespecially between drive unit head and depression bar, installs dust ring to reach the ratchet wrench with dustproof construction of dust-proof effect.
Background technology
Please refer to " RATCHET WRENCH " Patent Case of No. US7311019th, U.S. Patent number, it is a kind of ratchet wrench, described ratchet wrench has a head end (head 14) and a handle (handle12), head end has first surface and second, head end is provided with an accommodating hole that runs through first surface and second, in accommodating hole, be equiped with rachet (ratchet gear 18), the first surface of head end is provided with cover plate (cover shield 50) and the second face is provided with flange so that rachet can not depart from head end, in rachet, dig hole slot and be equiped with depression bar, fixing and release conditions when depression bar can control tool head be installed on rachet, and in first surface and the second face, be all provided with O type ring (O-ring 56) to prevent extraneous dirty entering between head end and rachet between head end and rachet.
Yet, when the ratchet wrench of use existing structure carries out operation, when entering the gap between depression bar and rachet, can cause dust the obstruction of relative slippage between depression bar and rachet, after a large amount of dirty of the inner accumulation of ratchet wrench, finally make depression bar and the rachet cannot relative slippage, fixing and the release conditions of depression bar when again uncontrollable tool heads is installed on rachet, tool heads out of hand spanner fixing and release conditions function cannot continue to use, and makes spanner damage reimbursement.
Summary of the invention
Its main purpose of ratchet wrench that the present invention has dustproof construction is, provide a kind of dust ring to be installed in the ratchet wrench with dustproof construction between drive unit and depression bar, when dust ring is installed between drive unit and depression bar, except preventing dirty head in drive unit and the gap between actuator of entering, make drive unit can turn round smooth-going outside, still can make the dirty gap that cannot enter between depression bar and actuator, forever protecting operator can be installed in tool heads on this actuator or by tool heads easily by taking off on this actuator.
Its secondary objective of ratchet wrench that the present invention has dustproof construction is, provide a kind of by the made dust ring of elastomeric material, make dust ring because of the difference of external condition, produce certain amplitude with interior distortion, except making dust ring tightly fit in the bearing surface of head, when tightly fitting in depression bar, the fin of dust ring can make this fin produce distortion, fin can be to the direction bending of this inner airfoil surface, make outer aerofoil be resisted against depression bar, to increase the dust-proof effect of dust ring, when dirty be stained with to stick on depression bar or wanted to enter by the gap between depression bar and medial surface there is the ratchet wrench of dustproof construction when inner, the inner airfoil surface of fin can be struck off to be stained with and sticks in the dirty of depression bar and stop the dirty ratchet wrench inside with dustproof construction that enters.
For reaching above-mentioned purpose, the invention provides a kind of ratchet wrench with dustproof construction, it includes:
A drive unit, this drive unit includes first side and second side, the direction of this drive unit from this first side toward this second side is provided with an accommodating hole, this first side is provided with an actuator in this accommodating hole, make one end of this drive unit can drive the tool heads that is sleeve-shaped, the other end of this drive unit can supply user's holding operation, in this accommodating hole, in this second side, form a flange, this flange for this actuator against, the inner side of this flange forms a bearing surface;
A depression bar, this depression bar is inserted in this actuator through this accommodating hole by this second side, this depression bar can control tool head fixing and release conditions on this drive unit time, this actuator slippage relatively vertically of this depression bar;
A dust ring, this dust ring is installed between this flange and this depression bar, and this dust ring includes an outside and an inner side, and this outside is resisted against this bearing surface, and this inner side is resisted against this depression bar.
The described ratchet wrench with dustproof construction, wherein, this outside is formed with a lateral surface, and this lateral surface is resisted against this bearing surface, and this inner side is formed with a medial surface, this medial surface is adjacent to this depression bar, this medial surface has a fin, and this fin is resisted against this depression bar, and this fin has an inner airfoil surface and an outer aerofoil, this outer aerofoil is resisted against this depression bar, and this inner airfoil surface is in contrast to this outer aerofoil.
The described ratchet wrench with dustproof construction, wherein, this fin is convexly equipped with toward the direction of this second side from this medial surface.
The described ratchet wrench with dustproof construction, wherein, this dust ring is formed with one for holding the dirty accommodation space being stopped by this dust ring in the inner side of this inner airfoil surface.
The described ratchet wrench with dustproof construction, wherein, this dust ring convexes with a butting section, and this butting section can be resisted against this flange, makes this dust ring cannot depart from along the direction of this second side this drive unit.
The described ratchet wrench with dustproof construction, wherein, this dust ring includes an outer ring body and an inner ring body, this outer ring body forms an eluding groove in inner side, this eluding groove can accommodating this inner ring body, this outer ring body has the inner side that this medial surface of this lateral surface is positioned at this outer ring body and this inner ring body, and this fin is positioned at the medial surface of this inner ring body.
The described ratchet wrench with dustproof construction, wherein, this dust ring is formed with an accommodation space in the inner side of this inner airfoil surface, and this accommodation space is between this outer ring body and this inner ring body.
The described ratchet wrench with dustproof construction, wherein, this bearing surface has first diameter, this depression bar has a Second bobbin diameter in contrast to one end of this actuator, this dust ring is under nature time, this lateral surface has the 3rd diameter, this medial surface has the 4th diameter, this fin has an end between this inner airfoil surface and this outer aerofoil, this end has the 5th diameter, the 3rd diameter is greater than this first diameter, and the 4th diameter is greater than this Second bobbin diameter, and the 5th diameter is less than this Second bobbin diameter.
The described ratchet wrench with dustproof construction, wherein, this lateral surface has the 3rd diameter, and this butting section has the 6th diameter, and the 6th diameter is greater than the 3rd diameter.
The described ratchet wrench with dustproof construction, wherein, this dust ring is the circular of cross section that be rectangle, this outer ring body and this inner ring body are the circular of cross section that be rectangle, this eluding groove is the annulus unfilled corner shape in cross section of being rectangle, this drive unit can driven tool head one end be provided with a head, this head is provided with a rounded control flume in this second side, this head offers a spine move groove that is communicated with accommodating hole and this control flume, this spine move groove is meniscus shaped, in this control flume, be equiped with a control piece, in this spine move groove, be equiped with a spine move part, between this control piece and this spine move part, be equiped with an elastic component and a top valve part, this control piece can be controlled this spine move part by this elastic component and this top valve part and optionally be matched with this actuator, make this head optionally clockwise direction or this actuator of anticlockwise drive.
The present invention has the following advantages:
1. for the present invention, there is the ratchet wrench of dustproof construction, wherein dust ring is installed between drive unit and depression bar, except preventing dirty head in drive unit and the gap between actuator of entering, make drive unit can turn round smooth-going outside, still can make the dirty gap that cannot enter between depression bar and actuator, forever protecting operator can be installed in tool heads on this actuator or by tool heads easily by taking off on this actuator.
2. for the present invention, there is the ratchet wrench of dustproof construction, wherein dust ring is made by elastomeric material, make dust ring because of the difference of external condition, produce certain amplitude with interior distortion, except making dust ring tightly fit in the bearing surface of head, when tightly fitting in depression bar, the fin of dust ring can make this fin produce distortion, fin can be to the direction bending of this inner airfoil surface, make outer aerofoil be resisted against depression bar, to increase the dust-proof effect of dust ring, when dirty be stained with to stick on depression bar or wanted to enter by the gap between depression bar and medial surface there is the ratchet wrench of dustproof construction when inner, the inner airfoil surface of fin can be struck off to be stained with and sticks in the dirty of depression bar and stop the dirty ratchet wrench inside with dustproof construction that enters.
Accompanying drawing explanation
Fig. 1 is the stereo appearance figure that the present invention has first embodiment of ratchet wrench of dustproof construction;
Fig. 2 is the three-dimensional exploded view that the present invention has first embodiment of ratchet wrench of dustproof construction;
Fig. 3 is the sectional structure chart that the present invention has first embodiment of ratchet wrench of dustproof construction;
Fig. 4 is the profile that the present invention has first embodiment dust ring of ratchet wrench of dustproof construction;
Fig. 5 is the partial enlarged drawing that the present invention has ratchet wrench Fig. 3 of dustproof construction;
Fig. 6 is the three-dimensional exploded view that the present invention has second embodiment of ratchet wrench of dustproof construction;
Fig. 7 is the sectional structure chart that the present invention has second embodiment of ratchet wrench of dustproof construction;
Fig. 8 is the profile that the present invention has second embodiment dust ring of ratchet wrench of dustproof construction;
Fig. 9 is the assembling schematic diagram that the present invention has second embodiment dust ring of ratchet wrench of dustproof construction;
Figure 10 is the partial enlarged drawing that the present invention has ratchet wrench Fig. 8 of dustproof construction.
Description of reference numerals: 10-has the ratchet wrench of dustproof construction; 20-drive unit; 21-head; 211-the first side; 212-the second side; 213-accommodating hole; 214-flange; 215-control flume; 216-spine move groove; 217-bearing surface; 22-actuator; 231-control piece; 232-spine move part; 233-elastic component; 234-top valve part; 24-spacing ring; 30-depression bar; 31-stage clip; 32-pushes up the steel ball of pulling; 40-dust ring; 401-outside; 402-inner side; 41-lateral surface; 42-medial surface; 43-fin; 431-inner airfoil surface; The outer aerofoil of 432-; 433-end; 44-butting section; 40a-dust ring; 401a-outside; 402a-inner side; 403a-outer ring body; 404a-inner ring body; 405a-eluding groove; 41a-lateral surface; 42a-medial surface; 43a-fin; 431a-inner airfoil surface; The outer aerofoil of 432a-; 433a-end; 44a-butting section; 45a-accommodation space; D1-the first diameter; D2-Second bobbin diameter; D3-the 3rd diameter; D4-the 4th diameter; D5-the 5th diameter; D6-the 6th diameter.
The specific embodiment
Shown in Fig. 3, for the present invention has stereo appearance figure, three-dimensional exploded view and the profile of first embodiment of ratchet wrench of dustproof construction.The ratchet wrench 10 that the present invention has a dustproof construction includes a drive unit 20, depression bar 30 and a dust ring 40; Wherein:
One end of this drive unit 20 is provided with a head 21, this head 21 includes first side 211 and second side 212, the direction of the head 21 of this drive unit 20 from this first side 211 toward this second side 212 is provided with an accommodating hole 213, this accommodating hole 213 is circular hole, the first side 211 of this head 21 is provided with an actuator 22 in this accommodating hole 213, make this drive unit 20 can drive in one end of head 21 tool heads that is sleeve-shaped, this drive unit 20 can supply user's holding operation in contrast to one end of this head 21, in this accommodating hole 213, in this second side 212, form a flange 214, this flange 214 can for this actuator 22 against.
This head 21 is provided with a rounded control flume 215 in this second side 212, this head 21 offers a spine move groove 216 that is communicated with accommodating hole 213 and this control flume 215, this spine move groove 216 is meniscus shaped, in this control flume 215, be equiped with a control piece 231, in this spine move groove 216, be equiped with a spine move part 232, between this control piece 231 and this spine move part 232, be equiped with at least one elastic component 233 and at least one top valve part 234, this control piece 231 can be controlled the engagement system that this spine move part 232 is engaged in this actuator 22 by this elastic component 233 and this top valve part 234, make this head 21 optionally clockwise direction or this actuator 22 of anticlockwise drive, at least one described elastic component 233 is two in the present embodiment, at least one described top valve part 234 is two in the present embodiment, this control piece 231 can be controlled the engagement system that this spine move part 232 is engaged in this actuator 22 by described two elastic components 233 and described two top valve parts 234, make this head 21 optionally clockwise direction or this actuator 22 of anticlockwise drive.
This drive unit 20 is provided with a spacing ring 24 between this head 21 and this actuator 22, this spacing ring 24 is arranged in this accommodating hole 213 adjacent to this first side 211, this spacing ring 24 is resisted against this head 21 and this actuator 22 simultaneously, makes actuator 22 cannot be departed from by the first side 211 of accommodating hole 213 head 21 of this drive unit 20.
This depression bar 30 is inserted in this actuator 22 through this accommodating hole 213 by this second side 212, this depression bar 30 can control tool head fixing and release conditions on this drive unit 20 time, this depression bar 30 is round bar shape these actuator 22 slippages relatively vertically, the inner side of this flange 214 forms a bearing surface 217, this dust ring 40 is installed between the flange 214 and this depression bar 30 of this head 21, this dust ring 40 is resisted against this bearing surface 217 and this depression bar 30, make the dust grains of sand or other foreign matter cannot be by enter the inside of this head 21 adjacent to this accommodating hole 213 of this second side 212, even if make this drive unit 20 also can turn round smooth-going at rugged environment.
Between this depression bar 30 and this actuator 22, there is a stage clip 31, this stage clip 31 is sheathed on this depression bar 30, this depression bar 30 is equiped with the top steel ball 32 of pulling adjacent to one end of this first side 211, steel ball 32 is pulled between this depression bar 30 and this actuator 22 in this top, user can press this depression bar 30 makes this top steel ball 32 of pulling optionally convexedly stretch in this actuator 22, fixing and release conditions while assembling this actuator 22 with control tool head, this stage clip 31 provides this depression bar 30 automatically reset function, and this depression bar 30 can make this actuator 22 automatically be stationary state.
Continuation is with reference to shown in Fig. 4, for the present invention has the profile of first embodiment dust ring of ratchet wrench of dustproof construction.This bearing surface 217 has a first diameter D1, and this depression bar 30 has a Second bobbin diameter D2 in contrast to one end of this actuator 22.This dust ring 40 is under nature time, this dust ring 40 is the circular of cross section that are rectangle, this dust ring 40 includes an outside 401 and an inner side 402, this outside 401 is resisted against this bearing surface 217, this inner side 402 is resisted against this depression bar 30, these dust ring 40 outsides 401 have a lateral surface 41 that is resisted against this bearing surface 217, this lateral surface 41 has a 3rd diameter D3, these dust ring 40 inner sides 402 have one adjacent to the medial surface 42 of this depression bar 30, this medial surface 42 has a 4th diameter D4, this medial surface 42 convexes with a fin 43, this fin 43 is protruded out toward the direction of this second side 212 from this medial surface 42, this fin 43 is resisted against this depression bar 30, this fin 43 has an inner airfoil surface 431, an outer aerofoil 432 and an end 433, this outer aerofoil 432 is resisted against this depression bar 30, this inner airfoil surface 431 is in contrast to this outer aerofoil 432, this end 433 between this inner airfoil surface 431 and this outer aerofoil 432 and this end 433 there is a 5th diameter D5.
The 3rd diameter D3 is greater than this first diameter D1, make this dust ring 40 tightly fit in the bearing surface 217 of this head 21, the 4th diameter D4 is greater than this Second bobbin diameter D2, make relative these actuator 22 slippages that this depression bar 30 can be smooth-going, the 5th diameter D5 is less than this Second bobbin diameter D2, make the fin 43 of this dust ring 40 can tightly fit in this depression bar 30, make the dust grains of sand cannot pass the inside that enters this drive unit 20 between this depression bar 30 and this dust ring 40, this dust ring 40 convexes with a butting section 44, this butting section 44 has a 6th diameter D6, the 6th diameter D6 is greater than the 3rd diameter D3, this butting section 44 can be resisted against this flange 214, make this dust ring 40 cannot depart from along the direction of this second side 212 this head 21.
Shown in Fig. 5, for the present invention has the partial enlarged drawing of the ratchet wrench dust ring of dustproof construction.This dust ring 40 is made by elastomeric material, except making this dust ring 40 tightly fit in the bearing surface 217 of this head 21, the fin 43 of this dust ring 40 can make this fin 43 produce distortion while tightly fitting in this depression bar 30, this fin 43 can be to the direction bending of this inner airfoil surface 431, make this outer aerofoil 432 be resisted against this depression bar 30, to increase the dust-proof effect of this dust ring 40, when dirty being stained with sticks on this depression bar 30 or want to enter this ratchet wrench with dustproof construction 10 when inner by the gap between this depression bar 30 and this medial surface 42, the inner airfoil surface 431 of this fin 43 can be struck off to be stained with and sticks in the dirty of this depression bar 30 and stop dirty this 10 inside of ratchet wrench with dustproof construction that enter, and when this dust ring 40 is installed between this drive unit 20 and this depression bar 30, except preventing dirty this head 21 in this drive unit 20 and the gap between this actuator 22 of entering, make this drive unit 20 can turn round smooth-going outside, still can make the dirty gap that cannot enter between this depression bar 30 and this actuator 22, forever protecting operator can be installed in tool heads on this actuator 22 or by tool heads easily by taking off on this actuator 22.
With reference to shown in Fig. 6 to Fig. 9, for the present invention has three-dimensional exploded view, profile, the profile of dust ring and the assembling schematic diagram of dust ring of second embodiment of ratchet wrench of dustproof construction.The difference of second embodiment and first embodiment is only that this dust ring 40a of second embodiment is two-piece design, this dust ring 40a includes an outside 401a and an inner side 402a, this outside 401a is resisted against this bearing surface 217, this inner side 402a is resisted against this depression bar 30, this dust ring 40a includes an outer ring body 403a adjacent to this outside 401a and one adjacent to this inner side 402a inner ring body 404a, this outer ring body 403a and this inner ring body 404a are the circular of cross section that be rectangle, this outer ring body 403a forms an eluding groove 405a in inner side, the be rectangle annulus unfilled corner shape in cross section of this eluding groove 405a, this eluding groove 405a can accommodating this inner ring body 404a, this dust ring 40a is under nature time, outside this dust ring 40a, the outer ring body 403a of 401a has a lateral surface 41a who is resisted against this bearing surface 217, this lateral surface 41a has a 3rd diameter D3, the outer ring body 403a of this dust ring 40a and inner ring body 404a have one adjacent to the medial surface 42a of this depression bar 30 jointly in this inner side 402a, this medial surface 42a has a 4th diameter D4, this inner ring body 404a convexes with a fin 43a, this fin 43a is protruded out toward the direction of this second side 212 from this medial surface 42a, this fin 43a has an inner airfoil surface 431a, an outer aerofoil 432a and an end 433a, this outer aerofoil 432a is resisted against this depression bar 30, this inner airfoil surface 431a is in contrast to this outer aerofoil 432a, this end 433a between this inner airfoil surface 431a and this outer aerofoil 432a and this end 433a there is a 5th diameter D5.
The 3rd diameter D3 is greater than this first diameter D1, make the outer ring body 403a of this dust ring 40a tightly fit in the bearing surface 217 of this head 21, the 4th diameter D4 is greater than this Second bobbin diameter D2, make relative these actuator 22 slippages that this depression bar 30 can be smooth-going, the 5th diameter D5 is less than this Second bobbin diameter D2, make the fin 43a of this dust ring 40a can tightly fit in this depression bar 30, make the dust grains of sand cannot pass the inside that enters this drive unit 20 between this depression bar 30 and this dust ring 40a, the outer ring body 403a of this dust ring 40a convexes with a butting section 44a, this butting section 44a is formed with a 6th diameter D6, the 6th diameter D6 is greater than the 3rd diameter D3, this butting section 44a can be resisted against this flange 214, make this dust ring 40a cannot depart from along the direction of this second side 212 this head 21, this dust ring 40a is formed with an accommodation space 45a in the inner side of this inner airfoil surface 431a, this accommodation space 45a is between this outer ring body 403a and this inner ring body 404a, this accommodation space 45a can hold stopped by this dust ring 40 dirty.
Shown in Figure 10, for the present invention has the dust ring partial enlarged drawing of second embodiment of ratchet wrench of dustproof construction.40a is made by elastomeric material for this dust ring, except making this dust ring 40a tightly fit in the bearing surface 217 of this head 21, the fin 43a of this dust ring 40a can make this fin 43a produce distortion while tightly fitting in this depression bar 30, this fin 43a can be to the direction bending of this inner airfoil surface 431a, make this outer aerofoil 432a be resisted against this depression bar 30, to increase the dust-proof effect of this dust ring 40a, when dirty being stained with sticks on this depression bar 30 or want to enter this ratchet wrench with dustproof construction 10 when inner by the gap between this depression bar 30 and this medial surface 42a, the inner airfoil surface 431a of this fin 43a can strike off to be stained with and sticks in the dirty of this depression bar 30 and stop dirty this 10 inside of ratchet wrench with dustproof construction that enter, dirtyly will enter along the inner airfoil surface 431a of this fin 43a this accommodation space 45a, and when this dust ring 40a is installed between this drive unit 20 and this depression bar 30, except preventing dirty this head 21 in this drive unit 20 and the gap between this actuator 22 of entering, make this drive unit 20 can turn round smooth-going outside, still can make the dirty gap that cannot enter between this depression bar 30 and this actuator 22, operator can be installed in tool heads on this actuator 22 or by tool heads easily by taking off on this actuator 22.
With regard to the above, can summarize the present invention has the following advantages:
1. for the present invention, there is the ratchet wrench of dustproof construction, wherein dust ring is installed between drive unit and depression bar, except preventing dirty head in drive unit and the gap between actuator of entering, make drive unit can turn round smooth-going outside, still can make the dirty gap that cannot enter between depression bar and actuator, forever protecting operator can be installed in tool heads on this actuator or by tool heads easily by taking off on this actuator.
2. for the present invention, there is the ratchet wrench of dustproof construction, wherein dust ring is made by elastomeric material, make dust ring because of the difference of external condition, produce certain amplitude with interior distortion, except making dust ring tightly fit in the bearing surface of head, when tightly fitting in depression bar, the fin of dust ring can make this fin produce distortion, fin can be to the direction bending of this inner airfoil surface, make outer aerofoil be resisted against depression bar, to increase the dust-proof effect of dust ring, when dirty be stained with to stick on depression bar or wanted to enter by the gap between depression bar and medial surface there is the ratchet wrench of dustproof construction when inner, the inner airfoil surface of fin can be struck off to be stained with and sticks in the dirty of depression bar and stop the dirty ratchet wrench inside with dustproof construction that enters.
3. for the present invention, there is the ratchet wrench of dustproof construction, wherein dust ring is formed with an accommodation space in the inner side of inner airfoil surface, accommodation space is between outer ring body and inner ring body, dirtyly will enter accommodation space along the inner airfoil surface of fin, accommodation space can hold stopped by dust ring dirty.
Claims (10)
1. a ratchet wrench with dustproof construction, is characterized in that, includes:
A drive unit, this drive unit includes first side and second side, the direction of this drive unit from this first side toward this second side is provided with an accommodating hole, this first side is provided with an actuator in this accommodating hole, make one end of this drive unit can drive the tool heads that is sleeve-shaped, the other end of this drive unit can supply user's holding operation, in this accommodating hole, in this second side, form a flange, this flange for this actuator against, the inner side of this flange forms a bearing surface;
A depression bar, this depression bar is inserted in this actuator through this accommodating hole by this second side, this depression bar can control tool head fixing and release conditions on this drive unit time, this actuator slippage relatively vertically of this depression bar;
A dust ring, this dust ring is installed between this flange and this depression bar, and this dust ring includes an outside and an inner side, and this outside is resisted against this bearing surface, and this inner side is resisted against this depression bar.
2. the ratchet wrench with dustproof construction as claimed in claim 1, it is characterized in that, this outside is formed with a lateral surface, and this lateral surface is resisted against this bearing surface, and this inner side is formed with a medial surface, this medial surface is adjacent to this depression bar, this medial surface has a fin, and this fin is resisted against this depression bar, and this fin has an inner airfoil surface and an outer aerofoil, this outer aerofoil is resisted against this depression bar, and this inner airfoil surface is in contrast to this outer aerofoil.
3. the ratchet wrench with dustproof construction as claimed in claim 2, is characterized in that, this fin is convexly equipped with toward the direction of this second side from this medial surface.
4. the ratchet wrench with dustproof construction as claimed in claim 2, is characterized in that, this dust ring is formed with one for holding the dirty accommodation space being stopped by this dust ring in the inner side of this inner airfoil surface.
5. the ratchet wrench with dustproof construction as claimed in claim 1, is characterized in that, this dust ring convexes with a butting section, and this butting section can be resisted against this flange, makes this dust ring cannot depart from along the direction of this second side this drive unit.
6. the ratchet wrench with dustproof construction as claimed in claim 2, it is characterized in that, this dust ring includes an outer ring body and an inner ring body, this outer ring body forms an eluding groove in inner side, this eluding groove can accommodating this inner ring body, this outer ring body has this lateral surface, and this medial surface is positioned at the inner side of this outer ring body and this inner ring body, and this fin is positioned at the medial surface of this inner ring body.
7. the ratchet wrench with dustproof construction as claimed in claim 6, is characterized in that, this dust ring is formed with an accommodation space in the inner side of this inner airfoil surface, and this accommodation space is between this outer ring body and this inner ring body.
8. the ratchet wrench with dustproof construction as claimed in claim 2, it is characterized in that, this bearing surface has first diameter, this depression bar has a Second bobbin diameter in contrast to one end of this actuator, this dust ring is under nature time, this lateral surface has the 3rd diameter, this medial surface has the 4th diameter, this fin has an end between this inner airfoil surface and this outer aerofoil, this end has the 5th diameter, the 3rd diameter is greater than this first diameter, the 4th diameter is greater than this Second bobbin diameter, the 5th diameter is less than this Second bobbin diameter.
9. the ratchet wrench with dustproof construction as claimed in claim 5, is characterized in that, this lateral surface has the 3rd diameter, and this butting section has the 6th diameter, and the 6th diameter is greater than the 3rd diameter.
10. the ratchet wrench with dustproof construction as claimed in claim 6, it is characterized in that, this dust ring is the circular of cross section that be rectangle, this outer ring body and this inner ring body are the circular of cross section that be rectangle, this eluding groove is the annulus unfilled corner shape in cross section of being rectangle, this drive unit can driven tool head one end be provided with a head, this head is provided with a rounded control flume in this second side, this head offers a spine move groove that is communicated with accommodating hole and this control flume, this spine move groove is meniscus shaped, in this control flume, be equiped with a control piece, in this spine move groove, be equiped with a spine move part, between this control piece and this spine move part, be equiped with an elastic component and a top valve part, this control piece can be controlled this spine move part by this elastic component and this top valve part and optionally be matched with this actuator, make this head optionally clockwise direction or this actuator of anticlockwise drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210314006.7A CN103659688B (en) | 2012-08-29 | 2012-08-29 | There is the ratchet wrench of dustproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210314006.7A CN103659688B (en) | 2012-08-29 | 2012-08-29 | There is the ratchet wrench of dustproof construction |
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| Publication Number | Publication Date |
|---|---|
| CN103659688A true CN103659688A (en) | 2014-03-26 |
| CN103659688B CN103659688B (en) | 2015-11-18 |
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| CN201210314006.7A Active CN103659688B (en) | 2012-08-29 | 2012-08-29 | There is the ratchet wrench of dustproof construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234872A (en) * | 2014-07-10 | 2016-01-13 | 胡厚飞 | Reversing ratchet wrench |
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|---|---|---|---|---|
| US5916339A (en) * | 1997-05-23 | 1999-06-29 | Facom | One-way drive mechanism and corresponding ratchet tool |
| US6711973B2 (en) * | 2002-03-19 | 2004-03-30 | Hand Tool Design Corporation | Ratchet wrench |
| CN1634683A (en) * | 2003-12-29 | 2005-07-06 | 陈泰佐 | Reversing driven rotary wrench |
| CN101036981A (en) * | 2006-03-17 | 2007-09-19 | 陈泰佐 | Spanner with head having torsion digital extraction device |
| TW201034801A (en) * | 2009-03-17 | 2010-10-01 | Hou-Fei Hu | Dustproof ratchet wrench |
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- 2012-08-29 CN CN201210314006.7A patent/CN103659688B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5916339A (en) * | 1997-05-23 | 1999-06-29 | Facom | One-way drive mechanism and corresponding ratchet tool |
| US6711973B2 (en) * | 2002-03-19 | 2004-03-30 | Hand Tool Design Corporation | Ratchet wrench |
| CN1634683A (en) * | 2003-12-29 | 2005-07-06 | 陈泰佐 | Reversing driven rotary wrench |
| CN101036981A (en) * | 2006-03-17 | 2007-09-19 | 陈泰佐 | Spanner with head having torsion digital extraction device |
| TW201034801A (en) * | 2009-03-17 | 2010-10-01 | Hou-Fei Hu | Dustproof ratchet wrench |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234872A (en) * | 2014-07-10 | 2016-01-13 | 胡厚飞 | Reversing ratchet wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103659688B (en) | 2015-11-18 |
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