WO2019037570A1 - A ratchet assembly - Google Patents
A ratchet assembly Download PDFInfo
- Publication number
- WO2019037570A1 WO2019037570A1 PCT/CN2018/097405 CN2018097405W WO2019037570A1 WO 2019037570 A1 WO2019037570 A1 WO 2019037570A1 CN 2018097405 W CN2018097405 W CN 2018097405W WO 2019037570 A1 WO2019037570 A1 WO 2019037570A1
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- WIPO (PCT)
- Prior art keywords
- ratchet
- pawl
- hollow
- base
- ratchet assembly
- Prior art date
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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
Definitions
- the base is annular; the receiving space is annular.
- the outer circumference of the hollow ratchet is provided with a plurality of ratchet teeth
- the inner side of the hollow ratchet is provided with a snap ring portion
- the snap ring portion is provided with a symmetric groove.
- the base is adapted to the storage cavity of the front end of the wrench.
- the cylindrical end of the pawl is coupled to the front end of the cuboid and is located within the pawl recess, the pawl engaging a ratchet on the hollow ratchet.
- the utility model is improved on the original technology, can fit the wrench with the corresponding connecting hole, and can further reduce the cross-sectional width of the ratchet assembly to meet the more demanding environment of the slit width, and can be adapted Universal sleeve or conversion square head to fit various types of wrench heads; the toggle piece can easily switch the rotation direction of the ratchet assembly to adapt to the elastic requirements in different directions; the wrench part is detachably connected, It can be easily replaced when damaged.
- Figure 5 is a bottom view exploded view of a preferred embodiment of the present invention.
- the center of the end 7 is a convex portion 71, and the end portion 7 is symmetrically engaged with the corresponding position of the symmetric groove 83 on the snap ring portion 82.
- a central portion 72; a semicircular hole 73 is defined in a center of the back end of the end portion 7 and the rear cover 1; the steel ball is fitted with the semicircular hole 73; the convex portion 71 is a square head or a round head or other connection.
- the utility model has been improved in the prior art, can adapt the wrench with the corresponding connecting hole, and can further reduce the cross-sectional width of the ratchet assembly to meet the more demanding environment of the slit width. And can fit the universal sleeve or the conversion square head to fit various types of wrench heads; the toggle piece can easily switch the rotation direction of the ratchet assembly to adapt to the elastic requirements in different directions; Removable connection for easy replacement when damaged.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
A ratchet assembly, comprising a base (6) having an accommodating space (61), a hollow ratchet (8) provided in the accommodating space, a stud (7) provided with a protrusion (71) at the center and connected to the back of the hollow ratchet, a pawl (3) that fits the hollow ratchet and is provided in the base, and a rear cover (1) connected to the stud and the base. The stud is connected into a cavity of the hollow ratchet in an inwardly recessed manner. The ratchet assembly is fittable to a wrench having a corresponding connecting hole, can further reduces the cross-sectional width of the ratchet assembly to meet an environment having more stringent requirements for slit widths, and is fittable to a universal sleeve or a conversion square, in order to fit different types of wrench heads. A toggle (4) can facilitate switching the direction of rotation of the ratchet assembly to enable the ratchet assembly to fit tightness requirements in different directions. The ratchet assembly is detachably connected to a wrench part, and can thus be conveniently replaced when damaged.
Description
本实用新型涉及一种棘轮，尤其涉及一种棘轮组件。The utility model relates to a ratchet wheel, in particular to a ratchet wheel assembly.
扳手种类有很多，复合扳手、双开口扳手、梅花扳手和棘轮扳手，棘轮扳手是一种能适用于狭窄地方的螺钉拧紧装置，但现有的棘轮扳手大多将方头设置为外凸出主体棘轮盘的设计，缺陷一是使其适用的范围缩小，因为有些狭缝无法容纳横截面过宽的扳手使用，缺陷二是方头外凸出主体棘轮转盘，容易使用时滑落松动；缺陷三是使整个扳手的重量上也有所增加，操作不便。There are many types of wrenches, compound wrenches, double-opening wrenches, plum wrenches and ratchet wrenches. The ratchet wrench is a screw tightening device that can be used in narrow places, but the existing ratchet wrench mostly sets the square head to the outer protruding ratchet. The design of the disc, the defect is to narrow the scope of its application, because some slits can not accommodate the wrench with an excessively wide cross section, and the second defect is that the ratchet dial of the main body protrudes from the square head, which is easy to slip and loose when used; the third defect is The weight of the entire wrench has also increased, and the operation is inconvenient.
实用新型内容Utility model content
本实用新型所要解决的技术问题是针对现有技术的缺陷，提供一种能减少棘轮部横截面积宽度，防止滑动并节省材料的棘轮组件。The technical problem to be solved by the present invention is to provide a ratchet assembly capable of reducing the cross-sectional area width of the ratchet portion, preventing slippage and saving material, in view of the defects of the prior art.
本实用新型为解决上述技术问题采用以下技术方案：The utility model adopts the following technical solutions to solve the above technical problems:
一种棘轮组件，包括带容置空间的底座、设于所述容置空间内的空心棘轮、中心设凸起部并与所述空心棘轮背面连接的端头、与所述空心棘轮适配并设置于所述底座内的棘爪、与所述端头和底座连接的后盖；所述端头内凹连接于所述空心棘轮的腔体内。A ratchet assembly includes a base with an accommodating space, a hollow ratchet disposed in the accommodating space, a centrally disposed boss and a tip connected to the back surface of the hollow ratchet, and is fitted with the hollow ratchet a pawl disposed in the base, a rear cover coupled to the end and the base; the end is concavely coupled to the cavity of the hollow ratchet.
为了进一步优化上述技术方案，本实用新型所采取的技术措施为：In order to further optimize the above technical solutions, the technical measures adopted by the utility model are:
优选的，所述底座呈环状；所述容置空间呈环状。Preferably, the base is annular; the receiving space is annular.
优选的，所述底座内的容置空间侧设棘爪凹槽。Preferably, the accommodating space in the base is provided with a pawl groove.
优选的，所述空心棘轮的外周环设多个棘齿，所述空心棘轮背面设卡环部，所述卡环部上设对称凹槽。Preferably, the outer circumference of the hollow ratchet is provided with a plurality of ratchet teeth, and the inner side of the hollow ratchet is provided with a snap ring portion, and the snap ring portion is provided with a symmetric groove.
优选的，所述底座与扳手前端的置物腔体适配。Preferably, the base is adapted to the storage cavity of the front end of the wrench.
优选的，所述底座和后盖相对应位置设连接孔。Preferably, the base and the rear cover are provided with connecting holes at corresponding positions.
优选的，所述连接孔连接底座和后盖。Preferably, the connecting hole connects the base and the back cover.
优选的，所述扳手前端也设有相应连接孔，并通过所述连接孔与底座和后盖连接。Preferably, the front end of the wrench is also provided with a corresponding connecting hole, and is connected to the base and the back cover through the connecting hole.
优选的，所述端头为与所述空心棘轮内径适配的圆盘状，所述端头的圆心处为凸起部，且所述端头与所述卡环部上的对称凹槽的对应位置设对称的卡合部；所述端头背面与所述后盖连接的圆心处设半圆孔，钢珠与所述半圆孔适配安装。Preferably, the end is a disc shape adapted to the inner diameter of the hollow ratchet, the center of the end is a convex portion, and the end and the symmetric groove on the snap ring portion A symmetrical engaging portion is disposed at a corresponding position; a semicircular hole is disposed at a center of the back end of the end and the rear cover, and the steel ball is fitted with the semicircular hole.
优选的，所述凸起部与万用套筒或转换方头适配。Preferably, the raised portion is adapted to a universal sleeve or a conversion square.
优选的，所述棘爪的圆柱形尾端连接长方体前端且位于所述棘爪凹槽内，所述棘爪与所述空心棘轮上的棘齿啮合。Preferably, the cylindrical end of the pawl is coupled to the front end of the cuboid and is located within the pawl recess, the pawl engaging a ratchet on the hollow ratchet.
优选的，还包括呈长方体状的挡板，所述容置空间的左右侧各设一棘爪凹槽和挡板凹槽；所述棘爪为两个，并适配对应的棘爪凹槽；所述挡板为两个，适配对应的挡板凹槽，并限制所述棘爪向外转动的角度；相应的棘爪和挡板间设有压缩弹簧。Preferably, the utility model further comprises a baffle plate having a rectangular parallelepiped shape, wherein the left and right sides of the accommodating space are respectively provided with a pawl groove and a baffle groove; the two pawls are two and are adapted to the corresponding pawl groove The baffle is two, which fits the corresponding baffle groove and limits the angle at which the pawl rotates outward; a compression spring is arranged between the corresponding pawl and the baffle.
优选的，还包括设于所述后盖背面的带插合孔的上拨片、与所述上拨片适配的后盖孔、与所述插合孔适配的设于所述底座内的拨动片。Preferably, the method further includes a top pad with an insertion hole disposed on the back of the back cover, a rear cover hole adapted to the upper pad, and a matching hole with the insertion hole disposed in the base The toggle piece.
优选的，所述拨动片设置于两片棘爪间，向两侧拨动所述拨动片能使相应侧面的棘爪与棘齿分离。Preferably, the dialing piece is disposed between the two pawls, and the dialing piece is pushed to the two sides to separate the pawl of the corresponding side from the ratchet.
本实用新型采用以上技术方案，与现有技术相比，具有如下技术效果：The utility model adopts the above technical solutions, and has the following technical effects compared with the prior art:
本实用新型在原有的技术上进行了改进，能适配带相应连接孔的扳手，并能使棘轮组件的横截面宽度进一步的减少，以适应狭缝宽度要求更苛刻的环境，并能适配万用套筒或转换方头，以适配各种类型的扳手头；拨动片能方便切换棘轮组件的旋转方向，使其适配不同方向的松紧需求；与扳手部分是可拆卸连接，有损坏时能方便替换。The utility model is improved on the original technology, can fit the wrench with the corresponding connecting hole, and can further reduce the cross-sectional width of the ratchet assembly to meet the more demanding environment of the slit width, and can be adapted Universal sleeve or conversion square head to fit various types of wrench heads; the toggle piece can easily switch the rotation direction of the ratchet assembly to adapt to the elastic requirements in different directions; the wrench part is detachably connected, It can be easily replaced when damaged.
图1为本实用新型的一种优选实施例的棘轮组件的正面结构示意图；1 is a front structural view of a ratchet assembly of a preferred embodiment of the present invention;
图2为本实用新型的一种优选实施例的立体后视图；Figure 2 is a perspective rear view of a preferred embodiment of the present invention;
图3为本实用新型的一种优选实施例的后视图；Figure 3 is a rear elevational view of a preferred embodiment of the present invention;
图4为本实用新型的一种优选实施例的仰视图；Figure 4 is a bottom plan view of a preferred embodiment of the present invention;
图5为本实用新型的一种优选实施例的仰视***图；Figure 5 is a bottom view exploded view of a preferred embodiment of the present invention;
图6为本实用新型的一种优选实施例的***图；Figure 6 is an exploded view of a preferred embodiment of the present invention;
图7为本实用新型的一种优选实施例的***图；Figure 7 is an exploded view of a preferred embodiment of the present invention;
其中的附图标记为：The reference numerals are:
1后盖；2上拨片；3棘爪；4拨动片；5挡板；6底座；7端头；8棘轮；11后盖孔；21插合孔；61容置空间；62棘爪凹槽；63挡板凹槽；71凸起部；72卡合部；73半圆孔；81棘齿；82卡环部；83对称凹槽。1 back cover; 2 upper pad; 3 pawl; 4 toggle; 5 baffle; 6 base; 7 end; 8 ratchet; 11 rear cover hole; 21 insertion hole; 61 accommodation space; Groove; 63 baffle groove; 71 boss; 72 engaging portion; 73 semicircular hole; 81 ratchet; 82 snap ring portion; 83 symmetrical groove.
下面结合附图对本实用新型的技术方案做进一步的详细说明。The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings.
图1为本实用新型的一种优选实施例的棘轮组件的正面结构示意图；图2为本实用新型的一种优选实施例的立体后视图；图3为本实用新型的一种优选实施例的后视图；图4为本实用新型的一种优选实施例的仰视图；图5为本实用新型的一种优选实施例的仰视***图；图6为本实用新型的一种优选实施例的***图；图7为本实用新型的一种优选实施例的***图。1 is a front structural view of a ratchet assembly of a preferred embodiment of the present invention; FIG. 2 is a perspective rear view of a preferred embodiment of the present invention; FIG. 3 is a preferred embodiment of the present invention. Figure 4 is a bottom view of a preferred embodiment of the present invention; Figure 5 is a bottom view exploded view of a preferred embodiment of the present invention; Figure 6 is an exploded view of a preferred embodiment of the present invention Figure 7 is an exploded view of a preferred embodiment of the present invention.
实施例一 Embodiment 1
如图1-7所示，本实施例的棘轮组件包括带容置空间61的底座6、设于所述容置空间61内的空心棘轮8、中心设凸起部71并与所述空心棘轮8背面连接的端头7、与所述空心棘轮8适配并设置于所述底座6内的棘爪3和与所述端头7和底座6连接的后盖1；所述端头7内凹连接于所述空心棘轮8的空心腔体内；所述底座6呈环状；所述容置空间61呈环状；所述底座6内的容置空间61侧设棘爪凹槽62；所述空心棘轮8的外周环设多个棘齿81，所述空心棘轮8背面设卡环部82，所述卡环部82上设对称凹槽83；所述端头7为与所述空心棘轮8内径适配的圆盘状，所述端头7的圆心处为凸起部71，且所述端头7与所述卡环部82上的对称凹槽83的对应位置设对称的卡合部72；所述端头7背面与所述后盖1连接的圆心处设半圆孔73，钢珠与所述半圆孔73适配安装；所述凸起部71为方头或圆头或其他连接头，所述方头或圆头或其他连接头与万用套筒或转换方头适配；所述棘爪3的圆柱形尾端连接长方体前端且位于所述棘爪凹槽 62内，所述棘爪3与所述空心棘轮8上的棘齿81啮合。所述底座6和后盖1相对应位置设连接孔，所述连接孔连接底座6和后盖1。所述底座6与扳手前端的置物腔体适配或所述扳手前端设相应连接孔，并通过所述连接孔与底座和后盖连接。当底座6与扳手的置物腔体连接时，所述底座6沿圆周侧面设连续的凹部，以增大接触面积，使其与扳手连接更紧密不易脱落。As shown in FIG. 1-7, the ratchet assembly of the present embodiment includes a base 6 with an accommodating space 61, a hollow ratchet 8 disposed in the accommodating space 61, a centrally disposed boss 71, and the hollow ratchet. 8 a rear-end connected end 7, a pawl 3 adapted to the hollow ratchet 8 and disposed in the base 6, and a rear cover 1 connected to the end 7 and the base 6; the end 7 The recessed portion is connected to the hollow cavity of the hollow ratchet 8; the base 6 is annular; the accommodating space 61 is annular; and the accommodating space 61 in the base 6 is provided with a pawl groove 62; The outer circumference of the hollow ratchet 8 is provided with a plurality of ratchet teeth 81. The inner side of the hollow ratchet 8 is provided with a snap ring portion 82. The snap ring portion 82 is provided with a symmetrical groove 83. The end 7 is a hollow ratchet. 8 is an inner diameter-fitted disk shape, the center of the end 7 is a convex portion 71, and the end portion 7 is symmetrically engaged with the corresponding position of the symmetric groove 83 on the snap ring portion 82. a central portion 72; a semicircular hole 73 is defined in a center of the back end of the end portion 7 and the rear cover 1; the steel ball is fitted with the semicircular hole 73; the convex portion 71 is a square head or a round head or other connection. head, The square or round head or other connector is adapted to a universal sleeve or a conversion square; the cylindrical tail end of the pawl 3 is coupled to the front end of the cuboid and is located within the pawl recess 62, the pawl 3 meshes with the ratchet teeth 81 on the hollow ratchet 8. The base 6 and the rear cover 1 are provided with connection holes at corresponding positions, and the connection holes are connected to the base 6 and the rear cover 1. The base 6 is matched with the storage cavity of the front end of the wrench or a corresponding connecting hole is provided at the front end of the wrench, and is connected to the base and the back cover through the connecting hole. When the base 6 is connected to the storage cavity of the wrench, the base 6 is provided with a continuous recess along the circumferential side to increase the contact area so that it is more tightly connected to the wrench and is less likely to fall off.
本实施例的棘轮组件与相应的扳手适配，并设有棘爪3，使用时将棘轮组件套设于扳手上，可连接孔连接，也可适配置物腔体；再将万用套筒或转换方头与空心棘轮8内的端头7上的凸起部71的方头或圆头或其他连接头连接，万用套筒或转换方头内连接方头或圆头或其他连接头于空心棘轮8腔体内，即组装完成，再用于相应的装配工作；使用完成后可将所述棘轮组件与扳手分开放置，此实施例的棘轮组件为单向旋紧棘轮组件。The ratchet assembly of the embodiment is adapted to the corresponding wrench and is provided with a pawl 3. When used, the ratchet assembly is sleeved on the wrench, and the connection hole can be connected, and the cavity can be configured; then the universal sleeve is used. Or the conversion square head is connected to the square head or the round head or other connector of the boss 71 on the end 7 in the hollow ratchet 8, and the universal sleeve or the conversion square is connected to the square head or the round head or other connector. In the hollow ratchet 8 cavity, the assembly is completed, and then used for the corresponding assembly work; the ratchet assembly can be placed separately from the wrench after use is completed, and the ratchet assembly of this embodiment is a one-way tightening ratchet assembly.
实施例二 Embodiment 2
如图1-7所示，本实施例的棘轮组件包括带容置空间61的底座6、设于所述容置空间61内的空心棘轮8、中心设凸起部71并与所述空心棘轮8背面连接的端头7、与所述空心棘轮8适配并设置于所述底座6内的棘爪3和与所述端头7和底座6连接的后盖1；所述端头7内凹连接于所述空心棘轮8的空心腔体内；所述底座6呈环状；所述容置空间61呈环状；所述底座6内的容置空间61侧设棘爪凹槽62；所述空心棘轮8的外周环设多个棘齿81，所述空心棘轮8背面设卡环部82，所述卡环部82上设对称凹槽83；所述端头7为与所述空心棘轮8内径适配的圆盘状，所述端头7的圆心处为凸起部71，且所述端头7与所述卡环部82上的对称凹槽83的对应位置设对称的卡合部72；所述端头7背面与所述后盖1连接的圆心处设半圆孔73，钢珠与所述半圆孔73适配安装；所述凸起部71为方头或圆头或其他连接头，所述方头或圆头或其他连接头与万用套筒或转换方头适配；所述棘爪3的圆柱形尾端连接长方体前端且位于所述棘爪凹槽62内，所述棘爪3与所述空心棘轮8上的棘齿81啮合。还包括呈长方体状的挡板5，所述容置空间61的左右侧各设一棘爪凹槽62和挡板凹槽63；所述棘爪3为两个，并适配对应的棘爪凹槽62；所述挡板5为两个，适配对应的挡板凹槽63，并限制所述棘爪3向外转动的角度；相应的棘爪3和挡板5间设有压缩弹簧。还包括设于所述后盖1背面的带插合孔21的上拨片2、与所述上拨片2 适配的后盖孔11、与所述插合孔21适配的设于所述底座6内的拨动片4。所述拨动片4设置于两片棘爪3间，向两侧拨动所述拨动片4能使相应侧面的棘爪3与棘齿81分离。所述底座6和后盖1相对应位置设连接孔，所述连接孔连接底座6和后盖1。所述底座6与扳手前端的置物腔体适配或所述扳手前端设相应连接孔，并通过所述连接孔与底座和后盖连接。当底座6与扳手的置物腔体连接时，所述底座6沿圆周侧面设连续的凹部，以增大接触面积，使其与扳手连接更紧密不易脱落。As shown in FIG. 1-7, the ratchet assembly of the present embodiment includes a base 6 with an accommodating space 61, a hollow ratchet 8 disposed in the accommodating space 61, a centrally disposed boss 71, and the hollow ratchet. 8 a rear-end connected end 7, a pawl 3 adapted to the hollow ratchet 8 and disposed in the base 6, and a rear cover 1 connected to the end 7 and the base 6; the end 7 The recessed portion is connected to the hollow cavity of the hollow ratchet 8; the base 6 is annular; the accommodating space 61 is annular; and the accommodating space 61 in the base 6 is provided with a pawl groove 62; The outer circumference of the hollow ratchet 8 is provided with a plurality of ratchet teeth 81. The inner side of the hollow ratchet 8 is provided with a snap ring portion 82. The snap ring portion 82 is provided with a symmetrical groove 83. The end 7 is a hollow ratchet. 8 is an inner diameter-fitted disk shape, the center of the end 7 is a convex portion 71, and the end portion 7 is symmetrically engaged with the corresponding position of the symmetric groove 83 on the snap ring portion 82. a central portion 72; a semicircular hole 73 is defined in a center of the back end of the end portion 7 and the rear cover 1; the steel ball is fitted with the semicircular hole 73; the convex portion 71 is a square head or a round head or other connection. head, The square or round head or other connector is adapted to a universal sleeve or a conversion square; the cylindrical tail end of the pawl 3 is coupled to the front end of the cuboid and is located within the pawl recess 62, the pawl 3 meshes with the ratchet teeth 81 on the hollow ratchet 8. Further, a baffle plate 5 having a rectangular parallelepiped shape is provided, and a left and right side of the accommodating space 61 is provided with a pawl groove 62 and a baffle groove 63; the pawl 3 is two and is adapted to the corresponding pawl a groove 62; two baffles 5, corresponding to the corresponding baffle groove 63, and limiting the angle at which the pawl 3 is rotated outward; a compression spring is provided between the corresponding pawl 3 and the baffle 5 . Further comprising a top pad 2 with an insertion hole 21, a rear cover hole 11 adapted to the upper paddle 2, and a mounting hole 21 adapted to the insertion hole 21, which are provided on the back surface of the rear cover 1. The dial piece 4 in the base 6 is described. The toggle piece 4 is disposed between the two pawls 3, and the toggle piece 4 is pushed to both sides to separate the pawl 3 of the corresponding side from the ratchet 81. The base 6 and the rear cover 1 are provided with connection holes at corresponding positions, and the connection holes are connected to the base 6 and the rear cover 1. The base 6 is matched with the storage cavity of the front end of the wrench or a corresponding connecting hole is provided at the front end of the wrench, and is connected to the base and the back cover through the connecting hole. When the base 6 is connected to the storage cavity of the wrench, the base 6 is provided with a continuous recess along the circumferential side to increase the contact area so that it is more tightly connected to the wrench and is less likely to fall off.
本实施例的棘轮组件与相应的扳手适配，并设有棘爪3，使用时将棘轮组件套设于扳手上，可连接孔连接，也可适配置物腔体；再将万用套筒或转换方头与空心棘轮8内的端头7上的凸起部71的方头或圆头或其他连接头连接，万用套筒或转换方头内连接方头或圆头或其他连接头于空心棘轮8腔体内，即组装完成，再用于相应的装配工作；使用时先调整拨动片4的相对位置，当拨动片4在中间位置时，左右两侧的棘爪3均因压缩弹簧的弹力与棘齿81啮合，此时棘轮8无法转动，可当普通扳手使用；当拨动片4在左侧位置时，左侧的棘爪3因拨动片4的拨动，与棘齿81分离，此时棘轮3可往逆时针方向转动；当拨动片4在右侧位置时，右侧的棘爪3因拨动片4的拨动，与棘齿81分离，此时棘轮3可往顺时针方向转动，以此实现棘轮扳手的方向的调整；使用完成后可将所述棘轮组件与扳手分开放置，此实施例的棘轮组件为可双向旋紧的棘轮组件。The ratchet assembly of the embodiment is adapted to the corresponding wrench and is provided with a pawl 3. When used, the ratchet assembly is sleeved on the wrench, and the connection hole can be connected, and the cavity can be configured; then the universal sleeve is used. Or the conversion square head is connected to the square head or the round head or other connector of the boss 71 on the end 7 in the hollow ratchet 8, and the universal sleeve or the conversion square is connected to the square head or the round head or other connector. In the cavity of the hollow ratchet 8 , that is, the assembly is completed, and then used for the corresponding assembly work; when used, the relative position of the dial 4 is adjusted first, and when the dial 4 is in the middle position, the pawls 3 on the left and right sides are caused by The elastic force of the compression spring meshes with the ratchet 81. At this time, the ratchet 8 cannot rotate, and can be used as an ordinary wrench; when the dial 4 is in the left position, the pawl 3 on the left side is toggled by the dial 4, and The ratchet 81 is separated, and the ratchet 3 can be rotated counterclockwise; when the dial 4 is in the right position, the pawl 3 on the right side is separated from the ratchet 81 by the toggle of the dial 4; The ratchet wheel 3 can be rotated in a clockwise direction to adjust the direction of the ratchet wrench; the ratchet set can be used after use is completed. Placing the distraction wrench, the ratchet assembly of this embodiment is a reversible ratchet assembly screwed.
综上所述，本实用新型在原有的技术上进行了改进，能适配带相应连接孔的扳手，并能使棘轮组件的横截面宽度进一步的减少，以适应狭缝宽度要求更苛刻的环境，并能适配万用套筒或转换方头，以适配各种类型的扳手头；拨动片能方便切换棘轮组件的旋转方向，使其适配不同方向的松紧需求；与扳手部分是可拆卸连接，有损坏时能方便替换。In summary, the utility model has been improved in the prior art, can adapt the wrench with the corresponding connecting hole, and can further reduce the cross-sectional width of the ratchet assembly to meet the more demanding environment of the slit width. And can fit the universal sleeve or the conversion square head to fit various types of wrench heads; the toggle piece can easily switch the rotation direction of the ratchet assembly to adapt to the elastic requirements in different directions; Removable connection for easy replacement when damaged.
以上对本实用新型的具体实施例进行了详细描述，但其只作为范例，本实用新型并不限制于以上描述的具体实施例。对于本领域技术人员而言，任何对该实用进行的等同修改和替代也都在本实用新型的范畴之中。因此，在不脱离本实用新型的精神和范围下所作的均等变换和修改，都应涵盖在本实用新型的范围内。The specific embodiments of the present invention have been described in detail above, but are merely exemplary, and the present invention is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to the utility are also within the scope of the present invention. Accordingly, equivalent changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
- 一种棘轮组件，其特征在于；包括带容置空间(61)的底座(6)、设于所述容置空间(61)内的空心棘轮(8)、中心设凸起部(71)并与所述空心棘轮(8)一端连接的端头(7)、与所述空心棘轮(8)适配并设置于所述底座(6)内的棘爪(3)、与所述端头(7)和底座(6)分别连接的后盖(1)；所述端头(7)内凹连接于所述空心棘轮(8)的空心腔体内。A ratchet assembly, comprising: a base (6) with an accommodation space (61), a hollow ratchet (8) disposed in the accommodation space (61), and a central protrusion (71) a tip (7) connected to one end of the hollow ratchet (8), a pawl (3) fitted to the hollow ratchet (8) and disposed in the base (6), and the end ( 7) A rear cover (1) connected to the base (6); the end (7) is concavely connected to the hollow cavity of the hollow ratchet (8).
- 根据权利要求1所述的棘轮组件，其特征在于：所述底座(6)呈环状；所述容置空间(61)呈环状。The ratchet assembly according to claim 1, wherein the base (6) is annular; the receiving space (61) is annular.
- 根据权利要求1所述的棘轮组件，其特征在于：所述底座(6)内的容置空间(61)侧设棘爪凹槽(62)。The ratchet assembly according to claim 1, characterized in that the accommodating space (61) in the base (6) is provided with a pawl groove (62).
- 根据权利要求1所述的棘轮组件，其特征在于：所述空心棘轮(8)的外周环设多个棘齿(81)，所述空心棘轮(8)背面设卡环部(82)，所述卡环部(82)上设对称凹槽(83)。The ratchet assembly according to claim 1, wherein a plurality of ratchet teeth (81) are disposed on the outer circumference of the hollow ratchet (8), and a snap ring portion (82) is disposed on the back of the hollow ratchet (8). A symmetrical groove (83) is formed on the snap ring portion (82).
- 根据权利要求4所述的棘轮组件，其特征在于：所述端头(7)为与所述空心棘轮(8)内径适配的圆盘状，所述端头(7)的圆心处为凸起部(71)，且所述端头(7)与所述卡环部(82)上的对称凹槽(83)的对应位置设对称的卡合部(72)；所述端头(7)背面与所述后盖(1)连接的圆心处设半圆孔(73)，钢珠与所述半圆孔(73)适配安装。A ratchet assembly according to claim 4, characterized in that said end (7) is in the shape of a disk adapted to the inner diameter of said hollow ratchet (8), the center of said end (7) being convex a starting portion (71), and the corresponding position of the end (7) and the symmetrical groove (83) on the snap ring portion (82) is symmetrically engaged (72); the end (7) A semicircular hole (73) is disposed at a center of the back surface of the back cover (1), and the steel ball is fitted to the semicircular hole (73).
- 根据权利要求5所述的棘轮组件，其特征在于：所述凸起部(71)与万用套筒或转换头适配。A ratchet assembly according to claim 5, characterized in that the projection (71) is adapted to a universal sleeve or a shifting head.
- 根据权利要求5所述的棘轮组件，其特征在于：所述棘爪(3)的圆柱形尾端连接长方体前端且位于所述棘爪凹槽(62)内，所述棘爪(3)与所述空心棘轮(8)上的棘齿(81)啮合。A ratchet assembly according to claim 5, wherein the cylindrical end of the pawl (3) is coupled to the front end of the cuboid and is located within the pawl recess (62), the pawl (3) The ratchet teeth (81) on the hollow ratchet (8) engage.
- 根据权利要求7所述的棘轮组件，其特征在于：还包括呈长方体状的挡板(5)，所述容置空间(61)的左右侧各设一棘爪凹槽(62)和挡板凹槽(63)；所述棘爪(3)为两个，并适配对应的棘爪凹槽(62)；所述挡板(5)为两个，适配对应的挡板凹槽(63)，并限制所述棘爪(3)向外转动的角度；相应的棘爪(3)和挡板(5)间设有压缩弹簧。The ratchet assembly according to claim 7, further comprising a baffle (5) having a rectangular parallelepiped shape, wherein each of the left and right sides of the accommodating space (61) is provided with a pawl groove (62) and a baffle a groove (63); the pawl (3) is two, and is adapted to the corresponding pawl groove (62); the baffle (5) is two, corresponding to the corresponding baffle groove ( 63) and limiting the angle at which the pawl (3) rotates outward; a compression spring is disposed between the corresponding pawl (3) and the baffle (5).
- 根据权利要求8所述的棘轮组件，其特征在于：还包括设于所述后盖(1) 背面的带插合孔(21)的上拨片(2)、与所述上拨片(2)适配的后盖孔(11)、与所述插合孔(21)适配的设于所述底座(6)内的拨动片(4)。The ratchet assembly according to claim 8, further comprising an upper paddle (2) having an insertion hole (21) provided on a back surface of the rear cover (1), and the upper paddle (2) An adapted rear cover hole (11), a dial piece (4) disposed in the base (6) adapted to the insertion hole (21).
- 根据权利要求9所述的棘轮组件，其特征在于：所述拨动片(4)设置于两片棘爪(3)间，向两侧拨动所述拨动片(4)能使相应侧面的棘爪(3)与棘齿(81)分离。The ratchet assembly according to claim 9, wherein the dial (4) is disposed between the two pawls (3), and the dial (4) is pushed to the sides to enable the corresponding side The pawl (3) is separated from the ratchet (81).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721059492.7 | 2017-08-23 | ||
| CN201721059492.7U CN207289938U (en) | 2017-08-23 | 2017-08-23 | A kind of ratchet assembly |
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| Publication Number | Publication Date |
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| WO2019037570A1 true WO2019037570A1 (en) | 2019-02-28 |
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| PCT/CN2018/097405 WO2019037570A1 (en) | 2017-08-23 | 2018-07-27 | A ratchet assembly |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2616343Y (en) * | 2003-04-17 | 2004-05-19 | 利钢机械工业股份有限公司 | Set-replace ratchet wrench |
| US7111527B1 (en) * | 2005-09-13 | 2006-09-26 | Yi Min Lee | Selective one-way screwdriver |
| CN101323103A (en) * | 2007-06-12 | 2008-12-17 | 胡厚飞 | Iron plate type spanners |
| US20110296959A1 (en) * | 2010-06-03 | 2011-12-08 | Kibby Ivan | Enhanced ratchet |
| CN102601754A (en) * | 2011-01-20 | 2012-07-25 | 胡厚飞 | Ratchet wrench with head capable of being shrunk |
| CN205799326U (en) * | 2016-06-08 | 2016-12-14 | 杭州骏腾工具制造有限公司 | Ratchet spanner capable of reversing |
| CN207289938U (en) * | 2017-08-23 | 2018-05-01 | 上海齐绘机电科技有限公司 | A kind of ratchet assembly |
-
2017
- 2017-08-23 CN CN201721059492.7U patent/CN207289938U/en active Active
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2018
- 2018-07-27 WO PCT/CN2018/097405 patent/WO2019037570A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2616343Y (en) * | 2003-04-17 | 2004-05-19 | 利钢机械工业股份有限公司 | Set-replace ratchet wrench |
| US7111527B1 (en) * | 2005-09-13 | 2006-09-26 | Yi Min Lee | Selective one-way screwdriver |
| CN101323103A (en) * | 2007-06-12 | 2008-12-17 | 胡厚飞 | Iron plate type spanners |
| US20110296959A1 (en) * | 2010-06-03 | 2011-12-08 | Kibby Ivan | Enhanced ratchet |
| CN102601754A (en) * | 2011-01-20 | 2012-07-25 | 胡厚飞 | Ratchet wrench with head capable of being shrunk |
| CN205799326U (en) * | 2016-06-08 | 2016-12-14 | 杭州骏腾工具制造有限公司 | Ratchet spanner capable of reversing |
| CN207289938U (en) * | 2017-08-23 | 2018-05-01 | 上海齐绘机电科技有限公司 | A kind of ratchet assembly |
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