WO2013029315A1 - 一种绞紧器的棘轮 - Google Patents

一种绞紧器的棘轮 Download PDF

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Publication number
WO2013029315A1
WO2013029315A1 PCT/CN2011/082978 CN2011082978W WO2013029315A1 WO 2013029315 A1 WO2013029315 A1 WO 2013029315A1 CN 2011082978 W CN2011082978 W CN 2011082978W WO 2013029315 A1 WO2013029315 A1 WO 2013029315A1
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WO
WIPO (PCT)
Prior art keywords
ratchet
wheel body
tightener
shaft hole
connecting portion
Prior art date
Application number
PCT/CN2011/082978
Other languages
English (en)
French (fr)
Inventor
肖招银
Original Assignee
浙江双友物流器械股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 浙江双友物流器械股份有限公司 filed Critical 浙江双友物流器械股份有限公司
Priority to EP11826105.6A priority Critical patent/EP2583863B1/en
Priority to US13/391,293 priority patent/US9145932B2/en
Publication of WO2013029315A1 publication Critical patent/WO2013029315A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P7/00—Securing or covering of load on vehicles
    • B60P7/06—Securing of load
    • B60P7/08—Securing to the vehicle floor or sides
    • B60P7/0823—Straps; Tighteners
    • B60P7/083—Tensioning by repetetive movement of an actuating member
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/02—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps
    • A44B11/06—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices
    • A44B11/12—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices turnable clamp
    • A44B11/125—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices turnable clamp with strap tightening means

Definitions

  • the invention belongs to the technical field of machinery and relates to a tightener for binding goods, in particular to a ratchet of a tightener. Background technique
  • the existing tightener is composed of a body, a ratchet, a baffle, a spring, a handle, a reel, a side piece, a webbing, and a hook.
  • the reel is composed of two half-moon keys whose cross-sectional shape is approximately semi-circular. Both ends of the two half-moon keys pass through the ratchets and are fixed together by pins.
  • the first damage to the bundle shifts the ratchet to its original position. It can be seen that once the ratchet is offset, the reel will be offset, causing the reel to be unevenly loaded and causing the reel to detach if the condition is severe.
  • the object of the present invention is to provide a ratchet of a tightener which is simple in structure, low in cost and high in stability, in view of the above problems in the prior art.
  • a ratchet of a tightener comprising a wheel body having a disk shape and having a plurality of ratchet teeth on a side thereof, the wheel body having a shaft hole through which the spool passes, wherein the shaft hole port has
  • the connecting portion can be embedded on the handle or bracket of the tightener along a connecting portion that protrudes perpendicularly from the end surface of the ratchet.
  • the ratchet In the fast tightener with the ratchet, the ratchet can be stably connected to the handle or the bracket through the connecting portion, and the ratchet can only be rotated, and the ratchet wheel is prevented from being displaced in the direction perpendicular to the reel during use.
  • the shaft holes are two: the shaft hole one, the shaft hole two, and the shaft hole one and the shaft hole two have a connection portion at the port.
  • the ratchet in the ratchet of the above-mentioned tightener, the ratchet includes a wheel body 1 and a wheel body 2, and the wheel body 1 is fixedly coupled to the wheel body.
  • the wheel body has a protruding positioning protrusion on the first wheel body, and the wheel body 2 has a positioning notch matched with the positioning protrusion, and the positioning protrusion is embedded in the above Position the notch.
  • the wheel body 2 has a convex positioning protrusion, and the wheel body has a positioning recess matched with the positioning protrusion, and the positioning protrusion is embedded in the above Position the notch.
  • the wheel body 1 is engaged with the inner side of the wheel body 2, and the wheel body 1 and the outer side of the wheel body 2 each have a convex connecting portion.
  • the opposite sides of the wheel body 1 and the wheel body 2, that is, the inner sides of the wheel body are fixedly connected by a snap-fit structure, and the opposite sides of the wheel body 1 and the wheel body 2, that is, the outer sides of both have a connecting portion.
  • a structure enables the wheel body to be firmly connected to the wheel body 2, and also enables the wheel body to be stably connected to the bracket, and the wheel body 2 is stably connected to the handle.
  • the wheel body 1 and the wheel body 2 are fixedly connected by a splicing.
  • fasteners can be used with rivets, screws, and the like.
  • the wheel body 1 and the wheel body 2 are formed by press forming.
  • the wheel body 1 and the wheel body 2 are stamped so that the through hole 1, the through hole 2, the connecting portion, the positioning boss and the positioning recess can be formed at one time.
  • the connecting portion of the ratchet protrudes from the end portion of the ratchet in a disk shape, and the shaft hole 1 and the shaft hole 2 penetrate the connecting portion.
  • Such a structure increases the contact portion of the connecting portion with the bracket or the handle, and further improves the stability of the ratchet.
  • the ratchet In the ratchet of the above-mentioned tightener, the ratchet is of a unitary structure and both sides of the ratchet have protruding connecting portions.
  • the ratchet is formed by casting. Obviously, such a structure allows the ratchet to be formed at one time by casting.
  • the ratchet of the present tightener is formed by one press, so that it is formed at one time, the processing method is simple, and the manufacturing cost is low.
  • the wheel body 1 and the wheel body 2 can be firmly connected by the snap-fit structure, the connection portion of the wheel body 1 is stably connected to the bracket, and the connection portion of the wheel body 2 is stably connected to the handle.
  • This configuration allows the ratchet to be securely attached to the handle and bracket.
  • connection portion of the ratchet is connected to the support or the handle, such a structure also makes the quick tightener having the present ratchet simple in assembly and high in assembly efficiency.
  • Figure 1 is a schematic view showing the structure of a quick tightener having the present ratchet.
  • Figure 2 is a side elevational view of the structure of Figure 1.
  • Figure 3 is a cross-sectional view showing the structure of the ratchet in the fast tightener.
  • Figure 4 is a schematic view showing the structure of the ratchet of the present tightener.
  • Fig. 5 is a cross-sectional structural view showing the ratchet of the present tightener.
  • FIG. 6 is a schematic structural view of a ratchet of the tightener of the second embodiment.
  • Figure 7 is a schematic cross-sectional view of Figure 6;
  • Fig. 8 is a schematic structural view of a ratchet of the tightener of the third embodiment.
  • Figure 9 is a schematic cross-sectional view along Figure 8.
  • the quick tightener comprises a bracket 1, a reel 2, a ratchet 3, a handle 4 and a binding strap, etc.
  • the reel 2 is connected to the ratchet 3 and the reel 2 is located on the bracket 1, and the handle 4 is hinged through the reel On the bracket 1, the handle 4 can drive the ratchet 3 to rotate, and the binding strap is connected to the reel 2.
  • the quick tightener includes a half moon shaft 2 a and a half moon shaft 2 b disposed on the bracket 1 of the tightener, and the half moon shaft 2 a and the half moon shaft 2 b are connected to the tightener. There is a gap on the ratchet 3 with a strap connection between the two.
  • the semilunar axis 2a is fixedly connected to the ratchet 3, the semilunar axis 2b and the ratchet are fixed in the circumferential direction, and the semilunar axis 2a can move axially relative to the ratchet, and between the semilunar axis 2a and the half moon axis-2b can A clutch that is attached or detached.
  • the ratchet wheel 3 includes a wheel body having a disk shape and having a plurality of ratchet teeth on its side, the wheel body having a shaft hole through which the spool 2 passes, and the shaft hole port having a vertical and ratchet wheel 3
  • the connecting portion 5 with the end surface protruding can be embedded in the handle 4 of the tightener or the bracket 1.
  • the shaft holes are two: shaft hole one 6, shaft hole two 7, shaft hole one 6 and shaft hole two 7 end
  • Each of the mouths has a connecting portion 5.
  • the ratchet wheel 3 is composed of a wheel body 3a and a wheel body 2b, and the wheel body 3a and the wheel body 2b are fixedly connected by a snap-fit structure.
  • the latching structure has a protruding positioning protrusion 3a l on the wheel body 3a, and the wheel body 2b has a positioning recess 3b l matching the positioning protrusion 3a l, and the positioning protrusion 3a l is embedded in the above The positioning recess 3b l is inside.
  • the wheel body 3a is engaged with the inner side of the wheel body 2b, and the outer side of the wheel body 3a and the wheel body 2b has a convex connecting portion 5.
  • the wheel body 3a and the wheel body 2ab are formed by press forming.
  • the card joint structure can also adopt another scheme, that is, the wheel body 2 has a convex positioning protrusion, and the wheel body has a positioning notch matched with the positioning protrusion, and the positioning protrusion The head is embedded in the positioning recess described above.
  • the other structure of the tightener is the same as that of the conventional binder, except that the ratchet 3 is improved.
  • the ratchet 3 has a connecting portion 5 on both sides, and the connecting portion 5 is connected to the bracket 1 and the handle 4, respectively.
  • the anti-offset performance of the ratchet 3 is improved, so that the half moon shaft 2a can move smoothly and quickly without jamming.
  • the ratchet 3 can be stably connected to the handle 4 or the bracket 1 through the connecting portion 5, and the ratchet 3 can only be rotated, ensuring that the ratchet 3 does not become perpendicular to the vertical during use.
  • the direction of the reel 2 is displaced.
  • the structure and the principle of the first embodiment are basically the same as those of the first embodiment.
  • the difference is that the connecting portion 5 of the ratchet wheel 3 protrudes from the end of the ratchet wheel 3 in a disk shape, and the above-mentioned shaft hole 6 and the shaft hole 2 are connected through. Part 5, as shown in Figures 6 and 7.
  • Such a structure increases the contact area of the connecting portion 5 with the bracket 1 or the handle 4.
  • the structure and the principle of the first embodiment are basically the same as those of the first embodiment.
  • the difference is that the ratchet wheel 3 has an integral structure and both sides of the ratchet wheel 3 have a protruding connecting portion 5, and the ratchet wheel 3 is formed by casting, as shown in FIG. And Figure 9 shows.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Package Frames And Binding Bands (AREA)
  • Clamps And Clips (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Transmission Devices (AREA)

Abstract

一种绞紧器的棘轮（3），该棘轮（3）包括呈圆盘状且其边沿具有若干棘齿的轮体，轮体上具有供卷轴（2）穿过的轴孔，轴孔端口处具有沿垂直于棘轮（3）端面凸出的连接部（5），连接部（5）能嵌于绞紧器的手柄（4）或支架（1）上。所述绞紧器的棘轮解决了现有的绞紧器中棘轮易偏移导致卷轴偏移甚至脱离的问题，具有连接牢固性好、稳定性高的优点。

Description

一种绞紧器的棘轮 技术领域
本发明属于机械技术领域，涉及一种用于捆绑货物的绞紧器， 特别是一种绞紧器的棘轮。 背景技术
在汽车运载货物过程中， 货物通常需要捆绑。 采用普通的尼 龙绳或者钢丝绳进行捆绑不仅效率低， 而且操作很费力； 同时， 也很难将货物捆紧。 绞紧器能够快速方便地将货物捆绑定位， 所 以目前得到广泛应用。
现有的绞紧器是由本体、 棘轮、 挡板、 弹簧、 拉手、 卷轴、 侧片体、 织带和带钩等零件所组成。 通过扳动侧片体使棘轮单向 转动， 将卷于卷轴上的织带不断收紧， 使两个钩于货物或者车体 上的带钩拉紧。
在现有结构的绞紧器中， 卷轴是由两个截面形状近似为半圆 形的半月键所组成。 这两个半月键的两端分别穿过棘轮， 并通过 销子固连在一起。
当车辆运载较重的货物时， 需要较大的捆绑力。 这对捆绑器 的机械强度是一个考验。 事实上， 当捆绑货物时过度用力地收紧 带子， 会使捆绑器受到损坏。
而捆绑器中最先受到损坏的使棘轮偏移其原来的位置， 可以 看出， 一旦棘轮偏移后将会导致卷轴偏移， 使得卷轴受力不均匀， 情况严重时还会导致卷轴脱离。
现有的其他绞紧器也都存在着类似的问题。 发明内容 本发明的目的是针对现有的技术存在的上述问题， 提供一种 结构简单、 成本较低且稳定性较高的绞紧器的棘轮。
本发明的目的可通过下列技术方案来实现：
一种绞紧器的棘轮， 包括呈圆盘状且其边沿具有若干棘齿的 轮体， 所述轮体上具有供卷轴穿过的轴孔， 其特征在于， 所述的 轴孔端口处具有沿垂直与棘轮端面凸出的连接部， 所述的连接部 能嵌于绞紧器的手柄或支架上。
在具有本棘轮的快速绞紧器中， 通过连接部使得棘轮能稳定 的连接于手柄或支架上， 棘轮只能转动， 在使用过程中保证了棘 轮不会沿垂直于卷轴的方向位移。
在上述的绞紧器的棘轮中， 所述的轴孔为两个： 轴孔一、 轴 孔二， 轴孔一和轴孔二的端口处均具有连接部。
显然， 至少两个连接部使得棘轮能稳定的连接在手柄或支架 上。
在上述的绞紧器的棘轮中，所述的棘轮包括轮体一和轮体二， 轮体一与轮体二固连在一起。
在上述的绞紧器的棘轮中， 所述的轮体一上具有凸出的定位 凸头， 轮体二上具有与定位凸头相匹配的定位凹口， 所述定位凸 头嵌于上述的定位凹口内。
在上述的绞紧器的棘轮中， 所述的轮体二上具有凸出的定位 凸头， 轮体一上具有与定位凸头相匹配的定位凹口， 所述定位凸 头嵌于上述的定位凹口内。
在上述的绞紧器的棘轮中， 所述轮体一和轮体二的内侧相卡 接， 轮体一和轮体二的外侧均具有凸出的连接部。
轮体一和轮体二的相向侧即两者的内侧通过卡接结构固连在 一起， 轮体一和轮体二的相反侧即两者的外侧均具有连接部。 这 样的结构使得轮体一与轮体二能牢固连接在一起的同时， 还能使 轮体一稳定的连接在支架上， 轮体二稳定的连接在手柄上。 在上述的绞紧器的棘轮中， 所述的轮体一和轮体二通过悍接 固连在一起。
在上述的绞紧器的棘轮中， 所述的轮体和轮体二通过紧固件 固连在一起。 紧固件可以采用铆钉、 螺钉等。
在上述的绞紧器的棘轮中， 所述的轮体一和轮体二通过冲压 成形。
轮体一和轮体二采用冲压使得其上的通孔一、 通孔二、 连接 部、 定位凸头和定位凹口均能一次成型。
在上述的绞紧器的棘轮中， 所述棘轮的连接部呈圆盘状凸出 于棘轮端部， 上述的轴孔一、 轴孔二贯穿连接部。
这样的结构使得连接部与支架或手柄的接触部增加大， 进一 歩的提高了棘轮的稳定性。
在上述的绞紧器的棘轮中， 所述的棘轮为一体式结构且棘轮 的两侧均具有凸出的连接部。
在上述的绞紧器的棘轮中， 所述的棘轮通过铸造成型。显然， 这样的结构使得棘轮通过铸造能一次成型。
与现有技术相比， 本绞紧器的棘轮由于通过冲压成型， 因此， 它是一次加工成型的， 加工方法简单、 制造成本较低。
同时， 轮体一与轮体二通过卡接结构还能使两者牢固的连接 在一起， 轮体一的连接部稳定的连接在支架上， 轮体二的连接部 稳定的连接在手柄上。 这样的结构使得棘轮牢固的连接在手柄和 支架上。
另外， 由于棘轮的连接部与支持或手柄连接， 这样的结构还 使得具有本棘轮的快速绞紧器装配简单， 且装配效率较高。 附图说明
图 1是具有本棘轮的快速绞紧器的结构示意图。
图 2是沿图 1的侧视结构示意图。 图 3是快速绞紧器中棘轮处的剖视结构示意图。
图 4是本绞紧器的棘轮的结构示意图。
图 5是本绞紧器的棘轮的剖视结构示意图。
图 6是实施例二中绞紧器的棘轮的结构示意图。
图 7是沿图 6的剖视结构示意图。
图 8是实施例三中绞紧器的棘轮的结构示意图。
图 9是沿图 8的剖视结构示意图。
图中， 1、 支架； 2、 卷轴； 2a、 半月轴一； 2b、 半月轴二； 3、 棘轮； 3a、 轮体一； 3a l、 定位凸头； 3b、 轮体二； 3b l、 定位凹 口； 4、 手柄； 5、 连接部； 6、 轴孔一； 7、 轴孔二。 具体实施方式
实施例一
如图 1和图 2所示， 快速绞紧器包括支架 1、卷轴 2、棘轮 3、 手柄 4和捆绑带等，卷轴 2与棘轮 3连接且卷轴 2位于支架 1上， 手柄 4通过卷轴铰接在支架 1上， 手柄 4能带动棘轮 3转动， 捆 绑带连接在卷轴 2上。
如图 3所示， 本快速绞紧器包括设置于绞紧器的支架 1上的 半月轴二 2 a和半月轴一 2b， 半月轴二 2 a和半月轴一 2b均连接 在绞紧器的棘轮 3上且两者之间具有供捆绑带连接的间隙。
半月轴二 2a与棘轮 3固连， 半月轴一 2b与棘轮周向固连， 半月轴二 2a能相对于棘轮轴向移动， 半月轴二 2 a与半月轴一 2b 之间具有能使两者连接或脱离的离合装置。
如图 4和图 5所示， 棘轮 3包括呈圆盘状且其边沿具有若干 棘齿的轮体， 轮体上具有供卷轴 2穿过的轴孔， 轴孔端口处具有 沿垂直与棘轮 3端面凸出的连接部 5， 所述的连接部 5能嵌于绞 紧器的手柄 4或支架 1上。
轴孔为两个： 轴孔一 6、 轴孔二 7， 轴孔一 6和轴孔二 7的端 口处均具有连接部 5。
棘轮 3由轮体一 3a和与轮体二 3b组成，轮体一 3a与轮体二 3b之间通过卡接结构固连在一起。 卡接结构为轮体一 3a上具有 凸出的定位凸头 3a l， 轮体二 3b上具有与定位凸头 3a l相匹配的 定位凹口 3b l， 所述定位凸头 3a l嵌于上述的定位凹口 3b l 内。 轮体一 3a和轮体二 3b的内侧相卡接， 轮体一 3a和轮体二 3b的 外侧均具有凸出的连接部 5。本实施例中，轮体一 3a和轮体二 3ab 通过冲压成形。
当然， 根据实际情况卡接结构也可以采用另外一种方案， 即： 轮体二上具有凸出的定位凸头， 轮体一上具有与定位凸头相匹配 的定位凹口， 所述定位凸头嵌于上述的定位凹口内。
在本发明中， 绞紧器的其它结构与普通的捆绑器相同， 不同 之处在于对棘轮 3 的改进。 棘轮 3 的两侧均具有连接部 5， 连接 部 5分别连接在支架 1和手柄 4上。 提高了棘轮 3抗偏移性能， 从而使得半月轴二 2a能顺畅快速的移动， 不会出现卡阻现象。在 具有本棘轮 3的快速绞紧器中， 通过连接部 5使得棘轮 3能稳定 的连接于手柄 4或支架 1上， 棘轮 3只能转动， 在使用过程中保 证了棘轮 3不会沿垂直于卷轴 2的方向位移。
实施例二
本实施例同实施例一的结构及原理基本相同， 不一样的地方 在于棘轮 3的连接部 5呈圆盘状凸出于棘轮 3端部， 上述的轴孔 一 6、 轴孔二 7贯穿连接部 5， 见图 6和图 7所示。 这样的结构使 得连接部 5与支架 1或手柄 4的接触面积增大。
实施例三
本实施例同实施例一的结构及原理基本相同， 不一样的地方 在于棘轮 3为一体式结构且棘轮 3的两侧均具有凸出的连接部 5， 棘轮 3通过铸造成型的， 见图 8和图 9所示。

Claims

1、 一种绞紧器的棘轮（3)， 包括呈圆盘状且其边沿具有若干 棘齿的轮体， 所述轮体上具有供卷轴 （2) 穿过的轴孔， 其特征在 于， 所述的轴孔端口处具有沿垂直与棘轮（3)端面凸出的连接部
(5)， 所述的连接部 （5) 能嵌于绞紧器的手柄 （4) 或支架 （1) 上。
2、 根据权利要求 1所述的绞紧器的棘轮 （3)， 其特征在于， 所述的轴孔为两个： 轴孔一 （6)、 轴孔二 （7)， 轴孔一 （6) 和轴 孔二 （7) 的端口处均具有连接部 （5)。
3、 根据权利要求 1所述的绞紧器的棘轮 （3)， 其特征在于， 所述的轮体包括轮体一 （3a) 和轮体二 （3b)， 轮体一 （3a) 与轮 体二 （3b) 固连在一起。
4、 根据权利要求 1所述的绞紧器的棘轮 （3)， 其特征在于， 所述的轮体一 （3a) 上具有凸出的定位凸头 （3al)， 轮体二 （3b) 上具有与定位凸头 （3al) 相匹配的定位凹口 （3bl)， 所述定位凸 头 （3al) 嵌于上述的定位凹口 （3bl) 内。
5、 根据权利要求 1所述的绞紧器的棘轮 （3)， 其特征在于， 所述的轮体二 （3b) 上具有凸出的定位凸头 （3al)， 轮体一 （3a) 上具有与定位凸头 （3al) 相匹配的定位凹口 （3bl)， 所述定位凸 头 （3al) 嵌于上述的定位凹口 （3bl) 内。
6、 根据权利要求 1所述的绞紧器的棘轮 （3)， 其特征在于， 所述轮体一 （3a) 和轮体二 （3b) 的内侧相卡接， 轮体一 （3a) 和轮体二 （3b) 的外侧均具有凸出的连接部 (5)。
7、 根据权利要求 1所述的绞紧器的棘轮 （3)， 其特征在于， 所述的轮体一 （3a) 和轮体二 （3b) 通过冲压成形。
8、 根据权利要求 1所述的绞紧器的棘轮 （3)， 其特征在于， 所述棘轮 （3) 的连接部 （5) 呈圆盘状凸出于棘轮 （3) 端部， 上 述的轴孔一 （6)、 轴孔二 （7) 贯穿连接部 （5)。
9、 根据权利要求 1所述的绞紧器的棘轮 （3)， 其特征在于， 所述的棘轮 （3) 为一体式结构且棘轮 （3) 的两侧均具有凸出的 连接部 （5)。
10、 根据权利要求 1所述的绞紧器的棘轮（3)， 其特征在于， 所述的棘轮 （3) 通过铸造成型。
PCT/CN2011/082978 2011-09-02 2011-11-25 一种绞紧器的棘轮 WO2013029315A1 (zh)

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US20140008173A1 (en) 2014-01-09

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