CN102145477A - Ratchet wrench - Google Patents
Ratchet wrench Download PDFInfo
- Publication number
- CN102145477A CN102145477A CN 201010109667 CN201010109667A CN102145477A CN 102145477 A CN102145477 A CN 102145477A CN 201010109667 CN201010109667 CN 201010109667 CN 201010109667 A CN201010109667 A CN 201010109667A CN 102145477 A CN102145477 A CN 102145477A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- sleeve
- gear
- planetary gear
- commutation
- 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.)
- Pending
Links
Images
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a ratchet wrench which comprises a wrench main body, a ratchet device and a sleeve connector and is characterized by at least comprising a pair of upper pawl blocks arranged left and right, a pair of lower pawl blocks arranged left and right, a working gear stand, a planetary gear carrier, an inner driving gear, a variable speed control ring and a reversing hand lever, wherein the upper pawl blocks are matched with an inner toothed ring arranged in an accelerated ratchet sleeve in a meshed or separated way; the lower pawl blocks are matched with an inner toothed ring arranged in a constant-speed ratchet sleeve in a meshed or separated way; the lower part of the working gear stand is connected with the accelerated ratchet sleeve, and the upper part of the working gear stand is a central gear in a planetary gear shift mechanism; the planetary gear carrier is provided with an accelerated planetary gear of the planetary gear shift mechanism; the inner driving gear is fixed in an installing cavity, and the inner toothed ring is meshed with the accelerated planetary gear; the variable speed control ring is arranged on the installing cavity in the front of the wrench to control constant-speed or accelerated transmission; and the lower section of the reversing hand lever is provided with a pair of upper installing hole and lower installing hole which are arranged left and right, so that a reversing spring and a reversing ball head are sequentially filled in the upper installing hole and the lower installing hole, and the reversing ball head is in contact with the inner edge of each pawl block to realize the swing of each pawl block. The ratchet wrench has the advantages of compact structure and practicability.
Description
Technical field
The present invention relates to a kind of ratchet spanner.
Background technology
Along with the continuous progress of science and technology and improving constantly of living standards of the people, the various spanners that can change driving end have obtained using widely, and scientific and technical personnel develop various ratchet spanneres for this reason.
Traditional spanner great majority can not speed change, influenced people's use, someone design can the speed change transmission spanner, as number of patent application is the Chinese patent " speed change reinforcement spanner " of CN91230300.X, it is made up of planetary gear reinforcement head, ratchet spanner, and its technical characterictic is the torque input shaft that has two axiss of rotation to overlap on planetary gear reinforcement head.One of them power shaft is the sun gear shaft of planetary gear reinforcement head, the torque input shaft when it is reinforcement state that is deceleration regime.Another torque input shaft sky is enclosed within on this power shaft, connects with the planet tube, and be the torque input shaft under the constant speed duty.When ratchet spanner passes through different power shaft input torques, thereby just can obtain two kinds of duties of reinforcement and constant speed transmission reinforcement when spanner needs reinforcement, constant speed mounting or dismounting bolt, nut are to increase work efficiency when not needing reinforcement, its defective is that this spanner with a speed change mechanism does not have rotation control mechanism, controlling the sleeve connector just changes or reverses, also influence people's use, needed to improve design.
Though traditional ratchet spanner has also designed rotation control mechanism, as number of patent application is the Chinese patent " ratchet spanner structure " of CN200620173435.7, can export two kinds of torsion, especially refer to that driving head is subjected to the engaged transmission of two ring gears and drive link and turn, utilize little torsion blocking assembly inspection that two ring gears are formed unidirectional snap action, when making one of them ring gear idle running, another ring gear drives the driving head rotation, it is characterized in that: this body and drive link afterbody are provided with and are used to be embedded the arc fixed block, corresponding arc holddown groove and fixing annular groove, drive link can freely be rotated, the square action hole inwall of this driving head is provided with chute, the dowel of drive rod can be slided in chute, so can be according to the purposes that unscrews or screw, adjust the direction of drive rod, defective is: structure is compact inadequately, is unfavorable for assembling production.
Summary of the invention
Technical problem to be solved by this invention provides a kind of ratchet spanner, and it not only can control the positive and reverse return veer, and can change the speed change of transmission mechanism, the compact conformation practicality.
The technical scheme of technical solution problem of the present invention is such: a kind of ratchet spanner, and it includes:
One wrench body, the front portion of wrench body is provided with the installation cavity, is used for installing each parts, and the postmedian of wrench body becomes the position of firmly operating for staff;
One ratchet device is arranged in the anterior installation of the wrench body cavity, realizes the positive and negative rotation of sleeve connector;
The sleeve connector, an end is connected with ratchet device, and the other end releasably is fitted with sleeve;
It is characterized in that including at least:
The last ratchet piece of arranging about a pair of is installed on the sleeve connector swingably by pawl axis, is that engagement or disengaging cooperate with internal gear in quickening ratchet sleeve;
Another to about the following ratchet piece arranged, also be installed in swingably on the sleeve connector by pawl axis, be that engagement or break away from cooperates with internal gear in the constant speed ratchet sleeve;
One working gear seat, the lower part is connected with the acceleration ratchet sleeve, and top is the central gear of planet speed change mechanism;
One pinion frame is rotatably mounted with the speed planetary gear that adds of planet speed change mechanism by planet pin;
One drives internal gear, be provided with to be fixed on to install in the cavity, internal gear with add the speed planetary gear engagement;
One speed Control circle is arranged on by planet pin above the installation cavity of spanner front portion, control constant speed or drive up;
One commutation hand lever, pass speed Control circle, working gear seat from top to down, quicken ratchet sleeve and constant speed ratchet sleeve, commutation hand lever hypomere arranged the last installing hole that is provided with about a pair of and another to about the following installing hole of setting, make commutation spring and commutation bulb insert upper and lower installing hole successively, the commutation bulb is to conflict to cooperate with separately ratchet piece inner edge, and realization ratchet piece is swung.
As preferably, the described speed planetary gear number that adds adopts three, is that to present circumference equally distributed.
For the ease of installing, the lower part of described working gear seat is that socket is connected with quickening ratchet sleeve, and, it is spacing in the lower part of working gear seat in the spacing hole of cavity edge to quicken lug on the ratchet sleeve circumference, and central gear is to peg graft by polygon shaft to be fixed in the top end face centre bore of working gear seat.
As improvement, the lug on the described constant speed ratchet sleeve circumference is spacing in the spacing hole that cavity edge is installed.
As improvement, the lug on the described driving internal gear circumference is spacing in the spacing hole that cavity edge is installed.
As improvement, after packing into, described commutation bulb can tangle sleeve connector circular hole inboard, and make the commutation spanner in axial location.
Described sleeve connector is by in the spacing installation cavity that is connected the wrench body front portion of shaft block ring.
As preferably, described to go up the ratchet piece be symmetric arrangement on the sleeve connector, and accordingly, following ratchet piece also is symmetric arrangement on the sleeve connector.
Compared with prior art, the invention has the advantages that: this spanner has kept the performance of original spanner, it makes spanner add a ratchet mechanism, the sleeve connector of lock screw can clockwise or be rotated counterclockwise, operate according to actual needs, need not the wrist of overturning, and, have epicyclic transmission mechanism and multiple ratchet sleeve, make the user select different gearratios according to the needs of oneself, adopt the moment that is fit to, widened the scope of application, it further reasonably combines gear and rotation control mechanism, compact conformation, volume is little, and the gearratio choice is big, is convenient to spanner and carries and use.
Description of drawings
Fig. 1 is a stereogram of the present invention;
Fig. 2 is STRUCTURE DECOMPOSITION figure of the present invention;
Fig. 3 is a cutaway view of the present invention;
Fig. 4 is that the A-A of Fig. 3 is to sectional view;
Fig. 5 is that the B-B of Fig. 3 is to sectional view;
Fig. 6 is the stereogram of wrench body;
Fig. 7 is the stereogram of constant speed ratchet sleeve;
Fig. 8 is the stereogram of ratchet piece;
Fig. 9 is for quickening the stereogram of ratchet sleeve;
Figure 10 is the stereogram of speed Control circle;
Figure 11 is the stereogram of commutation hand lever;
Figure 12 is the stereogram of pinion frame;
Figure 13 is for driving the stereogram of internal gear;
Figure 14 is the stereogram of working gear seat;
Figure 15 is the stereogram of sleeve connector.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Anticipate as shown in the figure, a kind of spanner, it includes critical piece and mechanisms such as wrench body 1, ratchet device, sleeve connector 2, planetary gear mechanism and positive and negative rotation control mechanism,
Wherein wrench body 1 adopts metal to make, the front portion of wrench body 1 is provided with installs cavity 1.1, be used for installing each parts, the postmedian of wrench body 1 becomes the position 1.2 of firmly operating for staff, it is exactly handle, on the periphery that cavity 1.1 is installed, be divided into the multilayer step surface from top to down, circumference is provided with four spacing holes 1.3 that are used for the lug embedding equably on the step surface below, also is provided with four equably and is used for the spacing holes 1.4 that lug embeds on uppermost periphery;
Sleeve connector 2, its lower end are releasably to be fitted with sleeve, for the ease of installing; The hypomere perforate 2.1 of sleeve connector 2, pack into successively little spring 18 and steel ball 19 have constituted similar resilient key like this, realize being connected with the quick of sleeve; Sleeve connector 2 is from being encased in the installation cavity 1.1 of spanner down, by shaft block ring 12 spacing holdings in the installation cavity 1.1 of spanner front portion, sleeve connector 2 has centre bore 2.2, insert lower end for commutation hand lever 10, the position, both sides of sleeve connector 2 is to be provided with ratchet axis hole 2.3 symmetrically, inserts for two pawl axis 13 to be installed on the sleeve connector 2;
A pair of ratchet piece 3 down is to be symmetrically arranged, be installed in swingably on sleeve connector 2 storage tanks 2.4 by pawl axis 13, with the internal gear in the constant speed ratchet sleeve 5 is that engagement or disengaging cooperate, and have four equally distributed lugs 5.1 on the circumference of constant speed ratchet sleeve 5, make lug 5.1 spacing in lower floor's spacing hole 1.3 that cavity edge is installed, thereby fix constant speed ratchet sleeve 5, it is 1: 1 that 5 designs of constant speed ratchet sleeve make the gearratio of spanner.
Another also is symmetrically arranged to last ratchet piece 4, by being installed in swingably with a pair of pawl axis 13 on the storage tank 2.4 of sleeve connector 2, is that engagement or break away from cooperates with internal gear in quickening ratchet sleeve 6; Similarly, also have four equally distributed lugs 6.1 on the circumference of acceleration ratchet sleeve 6, but, quickening ratchet sleeve 6 is to couple together by the lower part socket of lug 6.1 with working gear seat 7, the lower part of working gear seat 7 also is to have arranged four spacing holes 7.3 that cooperate equably on socket inner chamber edge, embed fixing for the lug 6.1 that quickens on the ratchet sleeve 6, quicken ratchet sleeve 6 thereby fix, it is greater than 1: 1 that 6 designs of acceleration ratchet sleeve make the gearratio of spanner, can design selected in advance.
Pinion frame 8, present hollow, disc-shape substantially, be enclosed within on the central gear 7.1, the pinion frame circumference is provided with three planet pins 16 equably, making three of planet speed change mechanism add speed planetary gear 9 is enclosed within on the planet pin 16, and expose by the opening 8.1 of pinion frame 8 sides, with the internal gear engagement that drives internal gear 17, and be to be provided with four lugs 17.1 equably on the circumference of driving internal gear 17, cooperate with four spacing holes 1.4 that the cavity edge upper strata is installed, thereby fix drive 17, three of internal gears add speed planetary gear 9 can also with central gear 7.1 engagements.
Speed Control circle 11 is arranged on by planet pin 16 above the installation cavity 1.1 of spanner front portion, control constant speed or drive up, and speed Control circle 11 is exposed to be installed above the cavity 1.1, is convenient to people's hand operated.
Its operation principle is such: in the time of common ratchet spanner transmission, as long as the user does not grasp speed Control circle 11, come rotary spanner main body 1, at first drive constant speed ratchet sleeve 5 rotations that are built in wrench body 1 below during wrench body 1 rotation, constant speed ratchet sleeve 5 drives with layer and symmetrical two following ratchet piece 3 rotations, ratchet piece 3 is fixed on the sleeve connector 2 by pawl axis, sleeve connector 2 thereby and wrench body 1 with the speed rotation, control direction of rotation by commutation hand lever 10, symmetrical two last ratchet pieces 4 of upside are reverse zero loads, therefore do not drive other parts motion of its top, a series of parts of top only and axial rotatablely moving between the wrench body 1; Also drive driving internal gear 17 rotations that are built in wrench body 1 top during wrench body 1 rotation, drive internal gear 17 and planetary gear 9 transmissions, since planetary gear 9 is of no use hold fixing, thereby planetary gear 9 can't drive central gear 7.1 driving torques of working gear seat only round 7.1 rotations of central gear of working gear seat; When quickening the ratchet spanner transmission, slightly firmly hold speed Control circle 11 with hand, at first drive driving internal gear 17 rotations that are built in wrench body 1 top during wrench body 1 rotation, drive internal gear 17 and planetary gear 9 transmissions, central gear 7.1 transmissions of planetary gear 9 and working gear seat, the central gear 7.1 of working gear seat drives working gear seat 7 and rotates, working gear seat 7 built-in acceleration ratchet sleeves 6 drive symmetrical two last ratchet pieces 4 of same layer, last ratchet piece 4 is fixed on the sleeve connector 2 by ratchet piece axle, sleeve connector 2 thereby and wrench body 1 quicken rotation, speed-up ratio depends on the said gear gearratio, symmetrical two following ratchet pieces 3 of downside are reverse zero load at this moment, therefore do not drive 2 motions of sleeve connector.
Claims (8)
1. ratchet spanner, it includes:
One wrench body, the front portion of wrench body is provided with the installation cavity, is used for installing each parts, and the postmedian of spanner becomes the position of firmly operating for staff;
One ratchet device is arranged in the anterior installation of the wrench body cavity, realizes the positive and negative rotation of sleeve connector;
The sleeve connector, an end is connected with ratchet device, and the other end releasably is fitted with sleeve;
It is characterized in that including at least:
The last ratchet piece of arranging about a pair of is installed on the sleeve connector swingably by pawl axis, is that engagement or disengaging cooperate with internal gear in quickening ratchet sleeve;
Another to about the following ratchet piece arranged, also be installed in swingably on the sleeve connector by pawl axis, be that engagement or break away from cooperates with internal gear in the constant speed ratchet sleeve;
One working gear seat, the lower part is connected with the acceleration ratchet sleeve, and top is the central gear of planet speed change mechanism;
One pinion frame is rotatably mounted with the speed planetary gear that adds of planet speed change mechanism by planet pin;
One drives internal gear, be provided with to be fixed on to install in the cavity, internal gear with add the speed planetary gear engagement;
One speed Control circle is arranged on by planet pin above the installation cavity of spanner front portion, control constant speed or drive up;
One commutation hand lever, pass speed Control circle, working gear seat from top to down, quicken ratchet sleeve and constant speed ratchet sleeve, commutation hand lever hypomere arranged the last installing hole that is provided with about a pair of and another to about the following installing hole of setting, make commutation spring and commutation bulb insert upper and lower installing hole successively, the commutation bulb is to conflict to cooperate with separately ratchet piece inner edge, and realization ratchet piece is swung.
2. ratchet spanner according to claim 1 is characterized in that the described speed planetary gear number that adds adopts three, is that to present circumference equally distributed.
3. ratchet spanner according to claim 1, the lower part that it is characterized in that described working gear seat is that socket is connected with quickening ratchet sleeve, and, it is spacing in the lower part of working gear seat in the spacing hole of cavity edge to quicken lug on the ratchet sleeve circumference, and central gear is to peg graft by polygon shaft to be fixed in the top end face centre bore of working gear seat.
4. ratchet spanner according to claim 1 is characterized in that the lug on described its circumference of constant speed ratchet sleeve is spacing in the spacing hole that cavity edge is installed.
5. ratchet spanner according to claim 1 is characterized in that the lug on described its circumference of driving internal gear is spacing in the spacing hole that cavity edge is installed.
6. ratchet spanner according to claim 1 is characterized in that can tangling sleeve connector circular hole inboard after described commutation bulb is packed into, makes the commutation hand lever in axial location.
7. ratchet spanner according to claim 1 is characterized in that described sleeve connector is by in the spacing installation cavity that is connected the wrench body front portion of shaft block ring.
8. ratchet spanner according to claim 1 is characterized in that described upward ratchet piece is a symmetric arrangement on the sleeve connector, accordingly, following ratchet piece also is symmetric arrangement on the sleeve connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010109667 CN102145477A (en) | 2010-02-10 | 2010-02-10 | Ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010109667 CN102145477A (en) | 2010-02-10 | 2010-02-10 | Ratchet wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102145477A true CN102145477A (en) | 2011-08-10 |
Family
ID=44420063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010109667 Pending CN102145477A (en) | 2010-02-10 | 2010-02-10 | Ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102145477A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062244A (en) * | 2011-10-21 | 2013-04-24 | 昆山义成工具有限公司 | Novel multipurpose high-torque two-way ratchet wheel |
| CN103934776A (en) * | 2013-01-18 | 2014-07-23 | 杭州巨星工具有限公司 | Bi-directional spanner |
| CN103934775A (en) * | 2014-04-17 | 2014-07-23 | 梁青松 | Novel accelerating spanner |
| WO2014161187A1 (en) * | 2013-04-03 | 2014-10-09 | 杭州巨星工具有限公司 | Wrench |
| CN104400718A (en) * | 2014-10-10 | 2015-03-11 | 宁波聚益工具有限公司 | Novel hexagon wrench |
| CN105221666A (en) * | 2014-06-03 | 2016-01-06 | 陈鑫尧 | Mechanical transmission speeder |
| WO2016004624A1 (en) * | 2014-07-11 | 2016-01-14 | 杭州巨星工具有限公司 | Accelerating bidirectional mechanical converter |
| CN105459002A (en) * | 2014-07-11 | 2016-04-06 | 杭州巨星工具有限公司 | Speed-increase bidirectional mechanical converter |
| CN105658378A (en) * | 2013-10-14 | 2016-06-08 | 理想工业公司 | Biased pawl ratcheting wrench |
| US9643297B2 (en) | 2013-01-18 | 2017-05-09 | Hangzhou Great Star Tools Co., Ltd | Bi-directional wrench |
| CN106903683A (en) * | 2017-03-15 | 2017-06-30 | 上海未来伙伴机器人有限公司 | Can center cabling output partial gear and steering wheel |
| CN108381439A (en) * | 2018-05-10 | 2018-08-10 | 广东广航科技有限公司 | A kind of speedup Universal ratchet wrench |
| CN108621065A (en) * | 2012-09-26 | 2018-10-09 | 阿派克斯布兰兹股份有限公司 | There is the reversible ratchet tool of double pawls |
| CN109008749A (en) * | 2018-07-19 | 2018-12-18 | 宁波连鸿电子科技有限公司 | Paper towel holder |
| CN117517115A (en) * | 2024-01-08 | 2024-02-06 | 浙江锐泰悬挂系统科技有限公司 | Fatigue test mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4475420A (en) * | 1982-04-29 | 1984-10-09 | Thomas R. Dowd | Wrench apparatus and bar means for selectively applying torque forces to a workpiece |
| CN2195413Y (en) * | 1994-05-21 | 1995-04-26 | 托马斯·A·威廉斯 | Ratchet wrench |
| US6457386B1 (en) * | 2002-01-11 | 2002-10-01 | Shui-Lai Chiang | Ratchet wrench |
| US7168340B1 (en) * | 2005-12-27 | 2007-01-30 | Green Thomas S | Ratchet wrench having constant drive |
| US7536934B1 (en) * | 2008-03-11 | 2009-05-26 | Sears Brands, Llc. | Ratchet tool |
-
2010
- 2010-02-10 CN CN 201010109667 patent/CN102145477A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4475420A (en) * | 1982-04-29 | 1984-10-09 | Thomas R. Dowd | Wrench apparatus and bar means for selectively applying torque forces to a workpiece |
| CN2195413Y (en) * | 1994-05-21 | 1995-04-26 | 托马斯·A·威廉斯 | Ratchet wrench |
| US6457386B1 (en) * | 2002-01-11 | 2002-10-01 | Shui-Lai Chiang | Ratchet wrench |
| US7168340B1 (en) * | 2005-12-27 | 2007-01-30 | Green Thomas S | Ratchet wrench having constant drive |
| US7536934B1 (en) * | 2008-03-11 | 2009-05-26 | Sears Brands, Llc. | Ratchet tool |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062244B (en) * | 2011-10-21 | 2015-08-26 | 昆山义成工具有限公司 | Multiplex high torsion bidirectional ratchet |
| CN103062244A (en) * | 2011-10-21 | 2013-04-24 | 昆山义成工具有限公司 | Novel multipurpose high-torque two-way ratchet wheel |
| US10513014B2 (en) | 2012-09-26 | 2019-12-24 | Apex Brands, Inc. | Reversible ratcheting tool with dual pawls |
| US10464191B2 (en) | 2012-09-26 | 2019-11-05 | Apex Brands Inc. | Reversible ratcheting tool with dual pawls |
| CN108621065A (en) * | 2012-09-26 | 2018-10-09 | 阿派克斯布兰兹股份有限公司 | There is the reversible ratchet tool of double pawls |
| US9643298B2 (en) | 2013-01-18 | 2017-05-09 | Hangzhou Great Star Tools Co., Ltd | Thin bi-directional ratchet wrench |
| CN103934776A (en) * | 2013-01-18 | 2014-07-23 | 杭州巨星工具有限公司 | Bi-directional spanner |
| US9643297B2 (en) | 2013-01-18 | 2017-05-09 | Hangzhou Great Star Tools Co., Ltd | Bi-directional wrench |
| WO2014161187A1 (en) * | 2013-04-03 | 2014-10-09 | 杭州巨星工具有限公司 | Wrench |
| US9687969B2 (en) | 2013-04-03 | 2017-06-27 | Hangzhou Great Star Tools Co., Ltd. | Wrench |
| CN105658378A (en) * | 2013-10-14 | 2016-06-08 | 理想工业公司 | Biased pawl ratcheting wrench |
| CN103934775A (en) * | 2014-04-17 | 2014-07-23 | 梁青松 | Novel accelerating spanner |
| CN105221666A (en) * | 2014-06-03 | 2016-01-06 | 陈鑫尧 | Mechanical transmission speeder |
| US20170165815A1 (en) * | 2014-07-11 | 2017-06-15 | Hangzhou Great Star Tools Co., Ltd. | Speed increasing bidirectional mechanical converter |
| CN105459002A (en) * | 2014-07-11 | 2016-04-06 | 杭州巨星工具有限公司 | Speed-increase bidirectional mechanical converter |
| WO2016004624A1 (en) * | 2014-07-11 | 2016-01-14 | 杭州巨星工具有限公司 | Accelerating bidirectional mechanical converter |
| CN105459002B (en) * | 2014-07-11 | 2019-12-24 | 杭州巨星工具有限公司 | Screw driver |
| US10589405B2 (en) | 2014-07-11 | 2020-03-17 | Hangzhou Great Star Tools Co., Ltd. | Speed increasing bidirectional mechanical converter |
| CN104400718B (en) * | 2014-10-10 | 2016-06-01 | 宁波聚益工具有限公司 | Novel hexagonal spanner |
| CN104400718A (en) * | 2014-10-10 | 2015-03-11 | 宁波聚益工具有限公司 | Novel hexagon wrench |
| CN106903683A (en) * | 2017-03-15 | 2017-06-30 | 上海未来伙伴机器人有限公司 | Can center cabling output partial gear and steering wheel |
| CN108381439A (en) * | 2018-05-10 | 2018-08-10 | 广东广航科技有限公司 | A kind of speedup Universal ratchet wrench |
| CN109008749A (en) * | 2018-07-19 | 2018-12-18 | 宁波连鸿电子科技有限公司 | Paper towel holder |
| CN117517115A (en) * | 2024-01-08 | 2024-02-06 | 浙江锐泰悬挂系统科技有限公司 | Fatigue test mechanism |
| CN117517115B (en) * | 2024-01-08 | 2024-05-10 | 浙江锐泰悬挂系统科技有限公司 | Fatigue test mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102145477A (en) | Ratchet wrench | |
| JP2599596B2 (en) | Bicycle transmission | |
| US6898993B2 (en) | Transmission for vehicle | |
| CN202462319U (en) | Speedup structure of ratchet screwdriver | |
| US10793223B2 (en) | Bicycle transmission hub | |
| EP2426041A1 (en) | Power-assisted bicycle including regenerative mechanism | |
| NO334279B1 (en) | gearshift | |
| CN201277310Y (en) | Cylinder transmission and control device | |
| CN105156664B (en) | Multi-gear transmission and center wheel pawl installation structure used in same | |
| US7448979B2 (en) | Bicycle hub speed-change assembly | |
| CN102059674A (en) | Screwdriver | |
| CN201524983U (en) | Screw driver | |
| CN103286716B (en) | Ratchet spanner and be used in the body of ratchet spanner | |
| CN201095087Y (en) | Box wrench equipped with reversing ratchet wheel | |
| CN101535683A (en) | Method of producing mechanism for converting rotational motion to linear motion and jig for executing the method | |
| TWM615924U (en) | Hub ratchet structure of gicycle | |
| CN2615431Y (en) | Bidirectional driving directional output wheel | |
| CN2566990Y (en) | Socket wrench | |
| CN2436273Y (en) | Quick ratchet wrench | |
| RU167619U1 (en) | TWO SPEED FLYWHEEL FOR PIPELINE FITTINGS | |
| CN201524978U (en) | Wrench with multiple torque output | |
| JP2005280591A (en) | Transmission device for bicycle | |
| CN107971960B (en) | A kind of fluid pressure type spanner for narrow space | |
| JP3124824U (en) | Bicycle hub shifting structure | |
| CN102537323A (en) | Gear selecting and shifting mechanism of automotive transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110810 |