WO2018001012A1 - 棘轮扳手 - Google Patents
棘轮扳手 Download PDFInfo
- Publication number
- WO2018001012A1 WO2018001012A1 PCT/CN2017/086031 CN2017086031W WO2018001012A1 WO 2018001012 A1 WO2018001012 A1 WO 2018001012A1 CN 2017086031 W CN2017086031 W CN 2017086031W WO 2018001012 A1 WO2018001012 A1 WO 2018001012A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotating member
- chamber
- ratchet wrench
- hole
- rotating
- Prior art date
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
- B25B23/0007—Connections or joints between tool parts
Definitions
- the present invention relates to hand tools, and more particularly to a ratchet wrench.
- the main body of the wrench is provided with a driving ratchet, a ratchet block and a dial, and the dial is rotatably disposed on the body.
- a spring is disposed between the button and the ratchet block to normally urge the ratchet block toward the drive ratchet to limit the direction of rotation of the drive ratchet.
- the ratchet wrench's dial since the ratchet wrench's dial is known to have an upside down stress when it is toggled, it may cause a smooth feeling when the shifting is made, and in severe cases, the dial may be tripped off the wrench body, resulting in a spring, a button And the ratchet blocks are scattered and need to be reassembled, which affects the progress of the work, and there are shortcomings that need to be improved.
- the main object of the present invention is to provide a ratchet wrench which can smoothly rotate the dial and can effectively prevent the dial from jumping off the body to improve the service life and work efficiency.
- a ratchet wrench includes a body, a driving member, a braking member, a switching member and a resilient member, the body having a first chamber, a second chamber parallel to the first chamber, and A third chamber connecting the first chamber and the second chamber, the two ends of the second chamber, wherein one end is a large diameter section and the other end is a small diameter section.
- One end of the resilient member is received in the bore of the rotating member, and the other end abuts against the brake member, and the brake member is pivoted toward the first latch portion; The position of the brake member and the first latch portion are locked by adjusting the switching member to adjust the rotation direction of the driving member.
- the elastic member is disposed on the abutting block and is received in the through hole.
- the abutting block is an E-shaped block, and the abutting block includes a set of legs and a retaining arm extending on two sides of the set of legs.
- the elastic member is sleeved on the set leg, and the two retaining arms are slidably accommodated. In the aperture.
- the hole includes an enlarged portion and two extending portions respectively located at opposite ends of the enlarged portion.
- the two blocking arms are respectively located in the two extending portions, and the elastic member and the leg are located in the enlarged portion.
- An end of the braking member away from the first latching portion is provided with a recessed hole, and an end of the resisting member away from the switching member abuts against a hole wall of the recessed hole.
- the rotating member is provided with a notch portion in a direction of the braking member, and the rotating member forms a flange opposite to the notch portion, the notch portion includes a convex portion and is located at two sides of the convex portion In the arc surface segment, the hole is disposed in the convex portion.
- a first step is formed between the large diameter section and the small diameter section, and a second step is formed between the rotating component and the bump, and the first step is opposite to the second step.
- the ratchet wrench of the invention can smoothly rotate and can effectively prevent the dial from jumping off the body, thereby improving the service life and working efficiency.
- FIG. 1 is a perspective view of a preferred embodiment of the present invention.
- Figure 3 is an exploded view of a preferred embodiment of the present invention.
- Figure 4 is a partial enlarged view of a preferred embodiment of the present invention.
- 5 and 6 are schematic views of the assembly of a preferred embodiment of the present invention.
- FIG. 7 and 8 are schematic views showing the operation of a preferred embodiment of the present invention.
- the ratchet wrench of the present invention includes a body 1, a drive member 2, a brake member 3, a switching member 4, and a snap-off assembly 5.
- the body 1 is provided with a first chamber 11, a second chamber 12 parallel to the first chamber 11, a third chamber 13 connecting the first chamber 11 and the second chamber 12, and two of the second chamber 12.
- One end is a large diameter section 121 and the other end is a small diameter section 122.
- the driving member 2 is rotatably disposed in the first chamber 11 and is provided with a first latch portion 21 along the outer peripheral surface.
- the first latching portion 21 can have a plurality of external teeth, for example, and the inner peripheral bread of the driving member 2 includes an actuating portion.
- the actuating portion can be, for example, a polygonal cross-section. In other possible embodiments, the actuating portion may also be a convex portion having a polygonal shape, and the actuating portion may be combined with a component such as a nut or a sleeve.
- the brake member 3 is disposed in the third chamber 13 and is provided with a second latch portion 31 that is engaged with the first latch portion 21, and the second latch portion 31 limits the direction of rotation of the driving member 2.
- the second latching portion 31 corresponds to the shape of the first latching portion 21 and may be provided with a plurality of external teeth, for example.
- the switching member 4 is rotatably disposed in the second chamber 12, and includes a rotating member 41 and a protrusion 42 extending from the rotating member 41.
- the rotating member 41 is received in the large diameter portion 121, and the protruding block 42 is received in the small diameter portion 122.
- One end of the rotating member 41 away from the protrusion 42 is radially provided with a dialing member 43 for plucking, and the rotating member 41 is radially provided with a hole 44.
- the rotating member 41 rotates, the rotating member 41 can be the axis of the bump 42. Rotate smoothly.
- a first step portion 61 is formed between the large diameter portion 121 and the small diameter portion 122, and a second step portion 62 is formed between the rotating member 41 and the bump 42.
- the first step portion 61 and the second step portion 62 are opposite each other.
- the top is for stably positioning the rotating member 41 on the large diameter section 121.
- the switching member 3 is switched between the first latching portion 21 and the first latching portion 21 by adjusting the switching member 4. Position to adjust the direction of rotation of the drive member 2.
- the switching member 4 when the switching member 4 is switched to a first position, the braking member 3 is abutted against the assembly 5 and brakes with the driving member 2, for example, in a first direction. (as indicated by the direction of the arrow in FIG. 7), the driving member 2 cannot be rotated in the first direction; as shown in FIG. 8, when the switching member 4 is switched to a second position, the braking member 3 is biased against the assembly 5 Abutting against the top and braking the drive member 2, for example, in a second direction (as indicated by the direction of the arrow in Fig. 8), the drive member 2 is prevented from rotating in the second direction.
- the resilient member 5 includes an elastic member 51 and a resisting member 52 .
- the elastic member 51 is sleeved on the resisting block 52 and received in the receiving hole 44 .
- the resisting block 52 is an E-shaped block, and the resisting block 52 includes a leg 521 and a retaining arm 522 extending on both sides of the leg 521.
- the elastic member 51 is sleeved on the leg 521, and the two arm 522 can be The slidably received in the bore 44 allows the abutment block 52 to slide.
- the hole 44 includes an enlarged portion 441 and two extending portions 442 respectively located at opposite ends of the enlarged portion 441.
- the two blocking arms 522 are respectively located in the two extending portions 442, and the elastic member 51 and the leg 521 are located in the enlarged portion 441 to prevent the elastic member. 51 is detached from the switching member 4.
- One end of the braking member 3 away from the first latching portion 21 is provided with a recess 32, and one end of the resisting block 52 away from the switching member 4 abuts against the wall of the recess 32 to effectively prevent the resisting block 52 from coming off the brake member 3.
- the flange 46 forms an upper support portion
- the protrusion 42 forms a lower support portion, which can respectively support the upper and lower ends of the switching member 4 to resist the upward and downward rotation force generated when the switching member 4 is toggled, so that the switching member can be made 4
- the rotation is smoother and the switching member 4 is prevented from jumping off the second chamber 12.
- the rotating member when the rotating member rotates, the rotating member can smoothly rotate the cam for the axis, and the first step portion is formed between the large diameter segment and the small diameter segment, and the rotating member and the bump are formed.
- the second step portion, the first step portion and the second step portion are abutted to stably position the rotating member on the large diameter portion to improve the service life and working efficiency of the ratchet wrench.
- the flange When the switching member rotates, the flange forms an upper supporting portion, and the convex portion forms a lower supporting portion, which can respectively support the upper and lower ends of the switching member to resist the upward and downward rotation force generated when the switching member is toggled, so that the switching can be performed.
- the piece rotates more smoothly and prevents the switching member from jumping off the second chamber.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Prostheses (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims (9)
- 棘轮扳手,其特征在于,包括:一本体,设有一第一容室、一平行该第一容室的第二容室、一连通该第一容室与该第二容室的一第三容室,该第二容室的两端,其中一端为一大径段、另一端为一小径段;一驱动件,可转动地设于该第一容室内且沿外周面设有一第一卡掣部;一制动件,设于该第三容室内且设有一与该第一卡掣部相卡掣的第二卡掣部,该第二卡掣部可限制该驱动件的转动方向;一切换件,可转动地设于该第二容室,包括一转动件及一延伸于该转动件的凸块,该转动件容设于该大径段,该凸块容设于该小径段,该转动件远离该凸块的一端径向设有一供拨弄的拨动件,该转动件径向设有一容孔;一弹抵组件,一端容置于该转动件的容孔、另一端与该制动件互相限位地相抵接,并弹顶该制动件朝向该第一卡掣部;其中,通过调整该切换件切换该制动件与该第一卡掣部相卡掣的位置,以调整该驱动件的转动方向。
- 根据权利要求1所述的棘轮扳手,其特征在于,所述弹抵组件包括一弹性件及一抵块,该弹性件套设于该抵块且容设于所述容孔。
- 根据权利要求2所述的棘轮扳手,其特征在于,所述抵块为E型块,该抵块包括一套脚并延伸设有位于该套脚两侧的挡臂,所述弹性件套设于该套脚,该两挡臂可滑动地容设于所述容孔。
- 根据权利要求3所述的棘轮扳手,其特征在于,所述容孔包括一扩大部及两分别位于该扩大部两端的延伸段,所述两挡臂分别位于该两延伸段中,所述弹性件及套脚位于该扩大部内。
- 根据权利要求3所述的棘轮扳手,其特征在于,所述制动件远离所述第一卡掣部的一端设有一凹孔,所述抵块远离所述切换件的一端抵顶于该凹孔的孔壁。
- 根据权利要求1所述的棘轮扳手,其特征在于,所述转动件径向朝所述制动件的方向设有一缺口部,所述转动件于该缺口部的相对上方形成一凸缘,该缺口部包括一凸部及位于该凸部两侧的弧面段,所述 容孔设于该凸部。
- 根据权利要求6所述的棘轮扳手,其特征在于,从所述转动件的轴向看,所述凸缘的径向尺寸大于所述凸部的径向尺寸。
- 根据权利要求1所述的棘轮扳手,其特征在于,所述大径段与小径段之间形成一第一阶部,所述转动件与凸块之间形成一第二阶部,该第一阶部与该第二阶部相抵顶。
- 根据权利要求4所述的棘轮扳手,其特征在于,所述转动件径向朝所述制动件的方向设有一缺口部,所述转动件于该缺口部的相对上方形成一凸缘,该缺口部包括一凸部及位于该凸部两侧的弧面段,所述容孔设于该凸部;从所述转动件的轴向看,该凸缘的径向尺寸大于该凸部的径向尺寸;所述大径段与小径段之间形成一第一阶部,所述转动件与凸块之间形成一第二阶部,该第一阶部与该第二阶部相抵顶;所述制动件远离所述第一卡掣部的一端设有一凹孔,所述抵块远离所述切换件的一端抵顶于该凹孔的孔壁。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA3022620A CA3022620C (en) | 2016-06-29 | 2017-05-26 | Ratchet wrench |
EP17819009.6A EP3479959A4 (en) | 2016-06-29 | 2017-05-26 | RATCHET WRENCH |
AU2017287178A AU2017287178B2 (en) | 2016-06-29 | 2017-05-26 | Ratchet wrench |
JP2018556984A JP2019514715A (ja) | 2016-06-29 | 2017-05-26 | ラチェットレンチ |
US16/304,001 US11253981B2 (en) | 2016-06-29 | 2017-05-26 | Ratchet wrench |
MX2018014006A MX2018014006A (es) | 2016-06-29 | 2017-05-26 | Llave de trinquete. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610495229.6A CN107538400B (zh) | 2016-06-29 | 2016-06-29 | 棘轮扳手 |
CN201610495229.6 | 2016-06-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018001012A1 true WO2018001012A1 (zh) | 2018-01-04 |
Family
ID=60785774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2017/086031 WO2018001012A1 (zh) | 2016-06-29 | 2017-05-26 | 棘轮扳手 |
Country Status (8)
Country | Link |
---|---|
US (1) | US11253981B2 (zh) |
EP (1) | EP3479959A4 (zh) |
JP (2) | JP2019514715A (zh) |
CN (1) | CN107538400B (zh) |
AU (1) | AU2017287178B2 (zh) |
CA (1) | CA3022620C (zh) |
MX (1) | MX2018014006A (zh) |
WO (1) | WO2018001012A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018050239A1 (en) | 2016-09-16 | 2018-03-22 | Epcos Schweiz Gmbh | Wireless power transmitter, wireless power transmission system and method for driving a wireless power transmission system |
WO2018050240A1 (en) * | 2016-09-16 | 2018-03-22 | Epcos Schweiz Gmbh | Wireless power transmitter, wireless power transmission system and method for driving a wireless power transmission system |
USD1007985S1 (en) | 2020-09-30 | 2023-12-19 | Re-Dai Precision Tools Co., Ltd. | Switcher of reversible ratchet wrench |
USD1000922S1 (en) * | 2021-01-07 | 2023-10-10 | Chia-Yu Chen | Switch knob for ratchet wrench |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW422158U (en) * | 2000-05-25 | 2001-02-11 | Lea Way Hand Tool Corp | Improved structure for high torque compounded invertable ratchet wrench |
TW425953U (en) * | 2000-07-21 | 2001-03-11 | Hu Hou Fei | Alignment device for direction turning button and ratchet driven tool using same |
CN2892384Y (zh) * | 2006-01-24 | 2007-04-25 | 史丹利七和国际股份有限公司 | 双向棘轮扳手 |
CN201394802Y (zh) * | 2009-04-14 | 2010-02-03 | 史丹利七和国际股份有限公司 | 切换式棘轮扳手 |
CN201394803Y (zh) * | 2009-04-14 | 2010-02-03 | 史丹利七和国际股份有限公司 | 切换式棘轮扳手 |
US8661933B2 (en) * | 2008-08-12 | 2014-03-04 | Volvo Car Corporation | Vehicle brake pedal crash safety device |
CN105328615A (zh) * | 2014-08-12 | 2016-02-17 | 史丹利七和国际股份有限公司 | 棘轮扳手 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050011314A1 (en) * | 2003-07-18 | 2005-01-20 | Jeff Chen | Ratchet mechanism for ratchet driving tool |
US6959626B1 (en) * | 2004-04-21 | 2005-11-01 | Stanley Chiro International, Ltd. | Ratchet wrench having exact limit effect |
US7121170B2 (en) * | 2004-04-21 | 2006-10-17 | Stanley Chiro International, Ltd. | Ratchet wrench operated conveniently |
US8631723B2 (en) * | 2011-12-01 | 2014-01-21 | Chih-Min Chang | Ratchet wrench being conveniently assembled |
CN203696868U (zh) * | 2014-02-13 | 2014-07-09 | 王又民 | 棘轮扳手制动结构 |
US20160101510A1 (en) * | 2014-10-14 | 2016-04-14 | Yeo-Ming WANG | Integrated wrench structure for preventing departed workpieces |
TWM520964U (zh) | 2015-11-30 | 2016-05-01 | Dong-Ying Li | 雙向棘輪扳手改良結構 |
CN107662172B (zh) * | 2016-07-28 | 2019-12-13 | 史丹利七和国际股份有限公司 | 棘轮扳手 |
US10300583B2 (en) * | 2017-02-03 | 2019-05-28 | Chun-Wei Yang | Ratchet wrench |
TWI623388B (zh) * | 2017-05-25 | 2018-05-11 | Chen Jia You | Reversing ratchet wrench |
-
2016
- 2016-06-29 CN CN201610495229.6A patent/CN107538400B/zh active Active
-
2017
- 2017-05-26 EP EP17819009.6A patent/EP3479959A4/en not_active Withdrawn
- 2017-05-26 WO PCT/CN2017/086031 patent/WO2018001012A1/zh unknown
- 2017-05-26 MX MX2018014006A patent/MX2018014006A/es unknown
- 2017-05-26 US US16/304,001 patent/US11253981B2/en active Active
- 2017-05-26 CA CA3022620A patent/CA3022620C/en active Active
- 2017-05-26 AU AU2017287178A patent/AU2017287178B2/en active Active
- 2017-05-26 JP JP2018556984A patent/JP2019514715A/ja active Pending
-
2019
- 2019-09-12 JP JP2019003457U patent/JP3224088U/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW422158U (en) * | 2000-05-25 | 2001-02-11 | Lea Way Hand Tool Corp | Improved structure for high torque compounded invertable ratchet wrench |
TW425953U (en) * | 2000-07-21 | 2001-03-11 | Hu Hou Fei | Alignment device for direction turning button and ratchet driven tool using same |
CN2892384Y (zh) * | 2006-01-24 | 2007-04-25 | 史丹利七和国际股份有限公司 | 双向棘轮扳手 |
US8661933B2 (en) * | 2008-08-12 | 2014-03-04 | Volvo Car Corporation | Vehicle brake pedal crash safety device |
CN201394802Y (zh) * | 2009-04-14 | 2010-02-03 | 史丹利七和国际股份有限公司 | 切换式棘轮扳手 |
CN201394803Y (zh) * | 2009-04-14 | 2010-02-03 | 史丹利七和国际股份有限公司 | 切换式棘轮扳手 |
CN105328615A (zh) * | 2014-08-12 | 2016-02-17 | 史丹利七和国际股份有限公司 | 棘轮扳手 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3479959A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP3479959A4 (en) | 2020-02-19 |
AU2017287178B2 (en) | 2019-09-19 |
CA3022620A1 (en) | 2018-01-04 |
CA3022620C (en) | 2020-07-14 |
AU2017287178A1 (en) | 2018-11-15 |
JP2019514715A (ja) | 2019-06-06 |
CN107538400B (zh) | 2019-04-19 |
EP3479959A1 (en) | 2019-05-08 |
JP3224088U (ja) | 2019-11-21 |
CN107538400A (zh) | 2018-01-05 |
US20190176299A1 (en) | 2019-06-13 |
US11253981B2 (en) | 2022-02-22 |
MX2018014006A (es) | 2019-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107662172B (zh) | 棘轮扳手 | |
WO2018001012A1 (zh) | 棘轮扳手 | |
JP3203875U (ja) | トルクスクリュードライバー | |
US8096516B2 (en) | Tool storage device | |
US6382052B1 (en) | Ratchet tool | |
US10326248B2 (en) | Terminal crimp tool | |
US8931375B2 (en) | Ratchet device | |
TWI710430B (zh) | 棘輪扳手之撥動件結構 | |
US20130008755A1 (en) | Clutch Capable of Force Transmission in a Selected One of Two Directions | |
US6257097B1 (en) | Ratchet tool having an eccentric rotator | |
US8661946B2 (en) | Ratchet wrench | |
TWI590920B (zh) | 棘輪扳手 | |
US20020170393A1 (en) | Ratchet tool | |
US20140060262A1 (en) | Wrench | |
US11338412B2 (en) | Direction controller for a ratchet screw driver | |
TWI696523B (zh) | 用於棘輪工具的換向機構 | |
CN107685303B (zh) | 棘轮扳手 | |
US10800012B2 (en) | Ratchet head with safety switch mechanism | |
JP3218316U (ja) | 二段式ユニバーサルジョイント | |
TWM459958U (zh) | 具有改良換向結構之棘輪扳手 | |
JP6388895B2 (ja) | ロック機構およびこれを有する手工具 | |
TWI812313B (zh) | 棘輪扳手 | |
TWI412435B (zh) | 扳手 | |
US20160303715A1 (en) | Wrench structure having swingable ratchet | |
US20160279767A1 (en) | Ratchet assembly |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2018556984 Country of ref document: JP Kind code of ref document: A Ref document number: 3022620 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref document number: 2017287178 Country of ref document: AU Date of ref document: 20170526 Kind code of ref document: A |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17819009 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2017819009 Country of ref document: EP Effective date: 20190129 |