WO2006125351A1 - Roue a rochet de machine a fardeler - Google Patents

Roue a rochet de machine a fardeler Download PDF

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Publication number
WO2006125351A1
WO2006125351A1 PCT/CN2005/001889 CN2005001889W WO2006125351A1 WO 2006125351 A1 WO2006125351 A1 WO 2006125351A1 CN 2005001889 W CN2005001889 W CN 2005001889W WO 2006125351 A1 WO2006125351 A1 WO 2006125351A1
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WO
WIPO (PCT)
Prior art keywords
ratchet
wheel body
bundler
wheel
mechanical strength
Prior art date
Application number
PCT/CN2005/001889
Other languages
English (en)
French (fr)
Inventor
Boqin Ruan
Original Assignee
Yuhuan Top Sun Machinery Tool Co., Ltd.
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 Yuhuan Top Sun Machinery Tool Co., Ltd. filed Critical Yuhuan Top Sun Machinery Tool Co., Ltd.
Publication of WO2006125351A1 publication Critical patent/WO2006125351A1/zh

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Classifications

    • 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

Definitions

  • the present invention is in the field of mechanical technology and relates to a binding tool, and more particularly to a tool for transporting goods on a vehicle.
  • the object of the present invention is to provide a ratchet of a bundling device of a novel structure for the problem of poor mechanical strength at the reel currently existing in the bundling device, and to improve the resistance of the bundling reel by modifying the ratchet structure. Increased strength, resulting in the entire bundle The mechanical strength of the tying device is improved.
  • Another object of the present invention is to provide a bundle ratchet that is easy to implement, low in cost, and widely used in the application of the above problems; and solves the problem of using high-strength materials or increasing the material to improve the ratchet in the prior art.
  • the production cost of the strength and the like is high and difficult to implement, which is not conducive to technical problems such as promotion and application.
  • Still another object of the present invention is to provide a bundle ratchet suitable for the current binder, which can be easily modified and compatible, and solves the problem of the prior art in order to improve the strength.
  • Technical problems such as large adjustments and poor economics.
  • the ratchet of the binding device comprises a wheel body, a ratchet is provided on the outer edge of the wheel body, and two shaft holes for the reel to pass through in the wheel body, There is a support bar between the shaft holes, wherein the support bar protrudes toward one side of the wheel body, and the support bar is fixedly connected to the wheel body.
  • the reel is made up of two half-moon keys. When the reel is assembled, the ratchet support bar is stuck between the two half-moon keys to support. When the binder binds the goods, the tension on the webbing acts on the half moon key. As shown in Figure 14, if the tension is too large, the half moon key will be deformed.
  • the present invention utilizes this principle to cause the support bar in the ratchet to protrude toward one side of the wheel body.
  • the support bars of the two ratchets in the binder are all facing inward, thereby shortening the spacing between the two support bars and improving the mechanical strength of the reel.
  • the support strip is integrated with the wheel body as described, and is formed by stamping.
  • the stamped ratchet is a single unit that is easy to assemble and easy to machine.
  • the material for processing this ratchet is a metal material having good ductility.
  • the stamping can be a stamping die, and the structure mainly comprises: an upper die and a lower die which are matched with each other, a positioning plate for fixing the workpiece is arranged on the lower die, and a punching head is arranged on the head of the upper die, The stamping head has an arcuate transition. A recess corresponding to the punching head of the upper die is provided on the lower die.
  • the support strip is fixed to the wheel body by rivets or bolts. This method facilitates improvements over existing ratchets and significantly increases the strength of the original binder without replacing parts.
  • the support strip is on the welded wheel body. By soldering, even after prolonged use, there is no looseness, and compatibility with existing devices is also good.
  • the support strip is wrapped on the wheel body by a metal piece. More specifically, the metal sheet is wrapped around a support strip of the ratchet.
  • An advantage of the present invention over the prior art is that the deformation resistance at the reel is increased by the shape change of the ratchet, thereby also improving the mechanical strength of the binder.
  • the cost of the product using the structure of the present invention is small compared with the conventional product, but the mechanical performance of the binder is improved, and it is safe and reliable, and has high practical value.
  • FIG. 1 and 2 are a front view and a cross-sectional view of a ratchet embodiment 1 of the binding device provided by the present invention.
  • 3 and 4 are a front view and a cross-sectional view of a ratchet embodiment 2 of the binding device provided by the present invention.
  • 5 and 6 are a front view and a cross-sectional view of a ratchet embodiment 3 of the binding device provided by the present invention.
  • FIG. 7 and 8 are a front view and a cross-sectional view of a ratchet embodiment 4 of the binding device provided by the present invention.
  • 9, 10 and 11 are a front view, a cross-sectional view and a cross-sectional view of the ratchet embodiment 5 of the binder provided in the present invention.
  • Figure 12 is a schematic view showing the structure of a binder using the structure of the present invention.
  • Figure 13 is a schematic illustration of the lateral structure of the binder using the structure of the present invention.
  • Figure 14 is a schematic view showing the structure of a conventional binder when the reel is deformed.
  • Figure 15 is a schematic view showing the structure of a stamping die of the ratchet embodiment 1 of the binder of the present invention.
  • Fig. 16 is an enlarged perspective view of the binder ratchet which is punched by the press die shown in Fig. 15.
  • the body 8 the connecting body 81, the side plate 82, the hinge hole 83, the positioning belt 84, the positioning belt hook 85, the baffle 86, the rod body 861, the spring 87, the through hole 811, the convex body 812, the step 821, Bayonet 822, handle 7, side panel 71, grip 72, hinge interface 73, reel 3, half moon key 31, ratchet 10, pin 32, movable belt 74, movable strap hook 75, wheel body 101, ratchet 102 , shaft hole 103, support rod 104, handle 76, pull ring 761, return spring 77, rivet 105, bolt 106, metal piece 107, groove A, groove B, upper die 1, lower die 2, positioning plate 4. Stamping head 1 1 and notch 21.
  • the binder is generally composed of a body 8, a ratchet 10, a baffle 86, a spring 87, a handle 76, a reel 3, a side panel 71, a movable belt 74, a positioning belt 84, and a positioning belt hook 85. It consists of parts such as hooks 75.
  • the movable belt 74 is wound on the reel 3, and the end of the movable belt 74 is the movable belt hook 75.
  • the positioning belt hook 85 and the movable belt hook 75 at both ends of the binding device are hooked on the cargo or the vehicle body during use, and the ratchet wheel 10 is unidirectionally rotated by repeatedly pulling the side panel body 71, and the movable belt 74 is continuously wound on the reel 3, The activity belt 74 is tightened. Finally, the goods are tied and positioned.
  • the body 8 is composed of a connecting body 81 and two side plates 82 which are fixed to both sides of the connecting body 81 and are symmetrical to each other.
  • the connecting body 81 and the two side plates 82 are perpendicular to each other and are integrated; the two ends of the body 82 are provided with hinge holes 83.
  • the handle 7 is composed of a symmetrical side plate 71 and a handle 72 connecting the side plates 71; one end of the two side plates 71 is provided with a hinge interface 73.
  • the reel 3 hinges the body 8 and the handle 7 to each other through the hinge hole 83 and the hinge interface 73.
  • a groove body A is disposed on the two sides of the plate 82 of the body 8.
  • the two sides of the baffle 86 are respectively disposed in the groove body A.
  • the length of the trough body A here is greater than the length of the joint of the baffle and the trough body A to facilitate the movement of the baffle therein.
  • the end of the baffle 86 and the ratchet of the ratchet 10 102 phase buckle.
  • a rod-shaped body 861 is disposed at the other end of the baffle 86.
  • the rod-shaped body 861 is bored in the through hole 811 of the connecting body 81 of the body 8.
  • the through hole 81 1 of the connecting body 81 is disposed at a raised position of the connecting body 81.
  • a spring 87 larger than the aperture of the through hole 811 is fitted over the rod 861. Since the spring 87 has a large diameter and the shutter 86 is movable, the rod 861 can pass through the through hole 811, and the spring 87 is compressed because it cannot pass. Thus, the shutter 86 receives the force of the spring 87, and when the shutter 86 is released, it can automatically recover.
  • a plurality of rods 861 may be provided.
  • the through holes 811 and the springs 87 are used in conjunction with the rods 861, the number of the three is consistent.
  • the two sides of the handle body 7 of the handle 7 are correspondingly provided with a groove body B, and the two sides of the handle 76 are respectively disposed in the groove body B.
  • the length of the groove B is greater than the length of the joint of the handle and the groove B to facilitate the movement of the handle 76 therein.
  • the end of the pull handle 76 is snapped with the ratchet 102 of the ratchet 10.
  • a pull ring 761 is provided at the other end of the handle 76.
  • a return spring 77 is provided between the handle 76 and the side body 71.
  • the reel 3 is composed of two half-moon keys 31, and a ratchet 10 is provided at each end of the reel 3; the ratchet 10 is disposed between the side plate 82 and the hinge portion of the side panel 71. More specifically, the two sides of the body 8 are sleeved on the reel 3, and then the ratchets 10 are respectively sleeved on the outer sides of the two side plates 82. Finally, the two sides of the handle 7 are respectively sleeved on the outer sides of the two ratchets 10. Body 71.
  • Both ends of the two half-moon keys 31 pass through the ratchet 10, respectively, and are fixed together by the pins 32, and the planes of the two half-moon keys 31 are oppositely disposed.
  • the pin 32 has a shape similar to that of the S shape, and is respectively passed through the connecting hole at the end of the half moon key 31.
  • the pin 32 serves to prevent the parts that are sleeved on the half moon key 3 1 from coming off the half moon key 31.
  • the ratchet 10 includes a wheel body 101, and a ratchet 102 is provided on the outer edge of the wheel body 101.
  • a ratchet 102 is provided on the outer edge of the wheel body 101.
  • the wheel body 101 there are two shaft holes 103 through which the spool 3 passes.
  • the ratchet teeth 102 of the ratchet 10 are all inclined to one side to ensure their one-way characteristics.
  • the ratchet is formed by integral stamping, and therefore, the thickness and support of the wheel body 101
  • the struts 104 are substantially equal in thickness.
  • the ratio of the distance that the support bar 104 protrudes toward the side of the wheel body 101 and the thickness of the support bar 104 itself is approximately between 1/2 and 4/5.
  • the cavity formed by stamping has an approximate truncated cone shape, and the ratio of the diameter of the bottom of the cavity to the diameter of the opening of the cavity is approximately 1/4 to 2/5.
  • the diameter of the cavity opening is approximately half of the diameter of the entire wheel body 101.
  • the two shaft holes 103 have a semi-moon shape which is symmetrical with each other, and the chord length of the half moon hole also occupies approximately half of the diameter of the entire wheel body 101.
  • not all scale ratios of the schemes fall within the above range. Depending on the materials and processing techniques, it is possible to vary the size ratio.
  • This embodiment improves the mechanical strength of the spool 3 by shortening the spacing between the two support strips 104.
  • the support bar 104 is integrally formed with the wheel body 101 and directly formed by press forming. This method is simple in structure and simple in production process, and is a more practical method.
  • Figure 15 shows a stamping die for producing the binder ratchet for stamping a support strip 104 projecting to the side of the wheel body 101.
  • the structure mainly comprises: an upper die 1 and a lower die 2 which are matched with each other, and a positioning plate 4 for fixing the workpiece is provided on the lower die 2, and a punching head 11 is provided at the head of the upper die 1, the punching The nose 11 has an arcuate transition.
  • a notch 21 corresponding to the punching head 11 of the upper die 1 is provided on the lower die 2.
  • the stamping head 11 is made of a material having a relatively high hardness, and its surface is smooth and curved, and has no angularity. Thus, it is possible to prevent stress concentration at the time of punching in the stamping process, thereby preventing product cracking or crack formation, improving product yield, and reducing production cost.
  • the workpiece to be stamped is first placed on the lower die 2 and fixed by the positioning plate 3 so that the intermediate portion of the workpiece is placed over the recess 21. Then, the upper die 1 is punched down, and the strength and depth of the punching are controlled according to actual conditions during stamping, and one stamping is performed. If the punching force is too large, the workpiece may be broken, and the punching force is too small to form a sufficient protruding distance on the support bar 104.
  • the ratchet structure of the stamped molding is shown in Fig. 16. The support strip 104 of the ratchet protrudes toward one side of the wheel body 101, and the convex portion of the support strip 104 has a certain curvature.
  • Blanking Pressing and cutting the plate with a press can use 80-125T pressure machine, and the blanking height is less than 0.1mm.
  • the stamping die is used for stamping. When forming, the 40-60T press is used, and the upper die must be stamped into place to ensure one molding.
  • E. Rolling In this process, the surface of the burrs and the oxidized surface layer are mainly removed.
  • F Electroplating: The surface is galvanized and passivated, and the thickness of the zinc layer is 0.004mm or more. This prevents corrosion and extends service life.
  • a beam is disposed at one end of the body 8, and a positioning belt 84 is fixed thereon, and a positioning hook 85 is disposed at an outer end of the positioning belt 84.
  • the movable belt 74 is set on the reel 3, and the movable belt 74 has an activity belt hook 75 at the outer end.
  • the positioning belt hook 85 and the movable belt hook 75 at both ends of the binding device are hooked on the cargo or the vehicle body during use, and the ratchet wheel 10 is unidirectionally rotated by repeatedly pulling the handle 7, and the movable belt 74 is continuously wound on the reel 3 to make the activity Belt 74 tightens. Finally, the goods are tied and positioned.
  • the ends of the body 71 of the handle 7 are provided with hinge joints 73 at the ends of which are curved.
  • the ends of the side plates 82 of the body 8 are correspondingly provided with a step 821, and the top portion of the step 821 is curved to the bayonet 822 for positioning the handle.
  • the flapper 86 When the handle 76 slides along the top of the step 821, the flapper 86 also slides along the ends of the side sheets 71 of the handle 7, and the flapper 86 is lifted up to disengage the ratchet 10.
  • the ratchet can be freely rotated, thereby realizing the rewinding of the reel 3.
  • the support bar 104 of the second embodiment is fixed to the wheel body 101 by rivets 105.
  • This structure is firmly connected and the support strip 104 is relatively The protruding distance of the wheel body 101 is large.
  • the support bar 104 of the embodiment 3 is fixed to the wheel body 101 by bolts 106.
  • the ratchet 10 is used in the production of the device with the least amount of equipment. After the support bar 104 and the wheel body 101 are manufactured, they can be directly connected by bolts 106.
  • Embodiment 4 ' As shown in Figs. 7 and 8, the support bar 104 and the wheel body 101 of Embodiment 4 are fixedly joined by welding. This structure is also relatively simple, and the connection between the two is firm, which is also a more practical way.
  • the support strip 104 is wrapped in the wheel body 101 by a metal piece 107 in the embodiment 5.
  • the production of this method is also easy, and the distance at which the support bar 104 protrudes from the wheel body 101 is large.
  • the pitch of the support bars 104 between the two ratchets 10 of the present invention is shortened, thereby increasing the deformation resistance of the spool 3 and improving the mechanical strength of the binder.
  • the partial processing in the above embodiment 1 is equally applicable to the remaining various embodiments.
  • the processes of shearing, blanking, heat treatment, rolling, plating, and the like are equally applicable to the remaining various embodiments.
  • the processes of shearing, blanking, heat treatment, rolling, plating, and the like are equally applicable to the remaining various embodiments.
  • the processes of shearing, blanking, heat treatment, rolling, plating, and the like are equally applicable to the remaining various embodiments.
  • this embodiment is a conventional binder.
  • a greater binding force is required.
  • the reel is easily deformed and bent, as shown by the half-moon key 31 in Fig. 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Package Frames And Binding Bands (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Description

捆绑器的棘轮 技术领域
本发明属于机械技术领域， 涉及一种捆绑工具， 特别是一种 用于运输车辆上货物捆绑的工具。
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。 捆绑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。
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是卷轴。 因此， 如果提高卷轴处的抗变形强度， 就可以最有效地提高捆绑 器的机械强度。
对此， 采用一些普通的办法效果不佳。如将卷轴的尺寸加大， 虽可以提高机械强度， 但会增加产品的成本； 而且， 在同一规格 的产品中， 如果卷轴的尺寸加大， 会使棘轮等相联接的零件相对 变小， 反过来影响其它零件机械强度。 也有人试图通过使用强度 较高的材料制作卷轴， 但是这样就会相应增加制作成本， 不利于 批量生产和推广应用。 由于结构设计上的原因， 在追求强度高的 同时， 使得捆绑器的结构趋于复杂， 不仅不利于加工制作， 而且 使用起来也不甚方便。 发明的公开
本发明的目的是针对现有捆绑器目前所存在的卷轴处的机械 强度差的问题， 提供一种新颖结构的捆绑器的棘轮， 通过对棘轮 结构的改良.， 使捆绑器卷轴处的抗变形强度提高， 从而使整个捆 绑器的机械强度得以提高。
本发明的另一目的是针对上述问题， 提供一种易于实施、 制 作成本低廉、 应用场合广泛的捆绑器棘轮； 解决了现有技术所存 在的采用高强度的材料制作或者增加制作材料以提高棘轮强度等 方式所存在的制作成本高， 难以实施， 不利于推广应用等技术问 题。
本发明还有一目的是针对上述问题， 提供一种适用于当前的 捆绑器、 能够方便地进行改装、 兼容性好的捆绑器棘轮； 解决了 现有技术所存在的为了提高强度需要对捆绑器进行较大幅度调 整、 经济性较差等技术问题。
本发明的目的可通过下列技术方案来实现： 本捆绑器的棘轮 包括轮体， 在轮体的外沿设有棘齿， 在轮体中有两个供卷轴穿过 的轴孔， 在这两个轴孔之间有一根支撑条， 其特征在于， 所述的 支撑条向轮体的一侧凸出， 且支撑条与轮体固连。 卷轴是由两个 半月键所组成。 当卷轴装配后， 其棘轮的支撑条就卡于这两个半 月键之间， 起到支撑作用。 当捆绑器捆绑货物时， 织带上的拉紧 力会作用于半月键上。 如图 14所示， 如果拉紧力过大， 会使半月 键变形。 显然， 当两个半月键之间的支撑条距离缩短后， 使半月 键变形的拉紧力会增大。 因此， 本发明就是利用这一原理， 使棘 轮中支撑条向轮体的一侧凸出。 在装配棘轮时， 使捆绑器中两个 棘轮的支撑条均朝内侧， 从而缩短了两根支撑条的间距， 也就提 高了卷轴的机械强度。
支撑条与轮体之间的连接方式可以有多种。 如所述的支撑条 与轮体连成一体， 通过冲压成型。 冲压成型的棘轮是一个整体， 便于装配， 且加工也较为方便。 加工这种棘轮的材料为延展性较 好的金属材料。 冲压成型可以采用冲压模具， 其结构主要包括： 相互配合的上模头和下模头， 在下模头上设有用于固定工件的定 位板， 在上模头的头部设有冲压凸头， 该冲压凸头呈弧形过渡。 在下模头上设有与上模头的冲压凸头相对应的凹口。 又如， 所述的支撑条通过铆钉或者螺栓固连于轮体上。 这种 方法便于在现有的棘轮基础上进行改进， 不用更换零件就能够明 显提高原有捆绑器的强度。
再如， 所述的支撑条是焊接轮体上的。 通过焊接的方式， 即 使经过长时间使用也不会产生松动， 同时与现有装置的兼容性也 很好。
另外， 所述的支撑条是通过一个金属片包裹于轮体上的。 更 具体地说该金属片是包裹在棘轮的支撑条上。
与现有的技术相比， 本发明的优点在于通过棘轮的形状改变 使卷轴处的抗变形强度提高， 从而也提高了捆绑器的机械强度。 同时， 与普通的产品相比， 采用本发明结构的产品成本提高很小， 但改善捆绑器的机械性能效果显著， 且安全可靠， 具有较高的实 用价值。
附图说明
图 1和图 2是本发明提供的捆绑器的棘轮实施例 1的主视图 和剖视图。
图 3和图 4是本发明提供的捆绑器的棘轮实施例 2的主视图 和剖视图。
图 5和图 6是本发明提供的捆绑器的棘轮实施例 3的主视图 和剖视图。
图 7和图 8是本发明提供的捆绑器的棘轮实施例 4的主视图 和剖视图。
图 9、 图 10和图 11 是本发明提供的捆绑器的棘轮实施例 5 的主视图、 剖视图和另一方向的剖视图。
图 12是采用本发明结构的捆绑器结构示意图。
图 13是采用本发明结构的捆绑器侧向结构示意图。
图 14是普通捆绑器在卷轴发生变形时的结构示意图。
图 15是本发明提供的捆绑器的棘轮实施例 1的冲压模具结构 示意图。 图 16是采用图 15所示的冲压模具冲压而成的捆绑器棘轮的 放大立体图。
图中， 本体 8， 连接体 81 , 侧板 82， 铰接孔 83， 定位带 84， 定位带钩 85，挡板 86，杆状体 861，弹簧 87，通孔 811， 凸体 812， 台阶 821， 卡口 822， 手柄 7， 侧片体 71， 握柄 72， 铰接口 73， 卷轴 3， 半月键 31， 棘轮 10， 销子 32， 活动带 74， 活动带钩 75， 轮体 101， 棘齿 102， 轴孔 103， 支撑条 104， 拉手 76， 拉环 761， 复位弹簧 77， 铆钉 105， 螺栓 106， 金属片 107， 槽体 A， 槽体 B， 上模头 1、 下模头 2、 定位板 4、 冲压凸头 1 1、 凹口 21。
实现本发明的最佳方式
下面通过具体实施例， 并结合附图， 对本发明的技术方案做 进一步具体的说明。
实施例 1 :
如图 12和图 13所示， 捆绑器通常是由本体 8、 棘轮 10、 挡 板 86、 弹簧 87、 拉手 76、 卷轴 3、 侧片体 71、 活动带 74、 定位 带 84、 定位带钩 85和活动带钩 75等零件所组成。 活动带 74卷 于卷轴 3上， 活动带 74的端部为活动带钩 75。 捆绑器两端的定 位带钩 85和活动带钩 75在使用时钩于货物或者车体上， 通过反 复扳动侧片体 71使棘轮 10单向转动，将活动带 74不断卷于卷轴 3上， 使活动带 74收紧。 最后将货物捆紧定位。
如图 12和图 13所示， 本体 8 由连接体 81和固连于连接体 81两侧且相互对称的两个侧板 82所组成的。连接体 81和两个侧 板 82相互垂直， 且设为一体； 本体 8的两侧板 82—端对应设置 有铰接孔 83。手柄 7由对称的两侧片体 71和连接两侧片体 71的 握柄 72组成； 两侧片体 71的一端对应设置有铰接口 73。 卷轴 3 穿过铰接孔 83和铰接口 73将本体 8和手柄 7相互铰接。
本体 8的两侧板 82上对应设有槽体 A， 挡板 86两侧分别置 于槽体 A内。 这里的槽体 A的长度大于挡板与槽体 A的连接部的 长度， 以便于挡板在其内活动。 挡板 86的端部与棘轮 10的棘齿 102相卡扣。 在挡板 86的另一端设有杆状体 861， 杆状体 861穿 设在本体 8连接体 81的通孔 811 内， 连接体 81的通孔 81 1设置 在连接体 81的一个翘起的凸体 812上。在杆状体 861上套有大于 通孔 811孔径的弹簧 87。由于弹簧 87直径较大，挡板 86活动时， 杆状体 861可以穿过通孔 811， 而弹簧 87因无法穿过而被压缩。 这样， 挡板 86就会受到弹簧 87的作用力， 在挡板 86松开时， 就 能够自动回复。
这里的杆状体 861也可以设置多个， 当然由于通孔 811和弹 簧 87与杆状体 861是配套使用的， 三者的数量是相一致的。
手柄 7的两侧片体 71上对应设有槽体 B，拉手 76两侧分别置 于槽体 B内。 这里的槽体 B的长度大于拉手与槽体 B的连接部的 长度， 以便于拉手 76在其内活动。拉手 76的端部与棘轮 10的棘 齿 102相卡扣。 在拉手 76的另一端设有拉环 761。 拉手 76与侧 片体 71间设有复位弹簧 77。
卷轴 3是由两个半月键 3 1所组成，在卷轴 3的两端分别设有 棘轮 10 ; 该棘轮 10设置在侧板 82和侧片体 71 的铰接部之间。 更具体地说是在卷轴 3上套接本体 8的两侧板 82， 然后在两侧板 82的外侧分别套接棘轮 10， 最后在两个棘轮 10的外侧分别套接 手柄 7的两侧片体 71。 两个半月键 31的两端分别穿过棘轮 10， 并通过销子 32固连在一起， 两个半月键 31的平面相对设置。 销 子 32的形状近似 S型， 分别穿设于半月键 31端部的连接孔上。 销子 32 起到防止套接于半月键 3 1 上的各个零件脱离半月键 31 的作用。
如图 1和图 2所示， 棘轮 10包括轮体 101， 在轮体 101的外 沿设有棘齿 102， 在轮体 101中有两个供卷轴 3穿过的轴孔 103， 在这两个轴孔 103之间有一根支撑条 104， 该支撑条 104 向轮体
101的一侧凸出， 且支撑条 104与轮体 101固连。 该棘轮 10的棘 齿 102均向一侧倾斜， 以保证其单向的特征。
本棘轮是通过整体冲压形成的， 因此， 轮体 101的厚度与支 撑条 104的厚度基本相等。 而支撑条 104向轮体 101—侧凸出的 距离与支撑条 104本身厚度的比例大致处于 1/2〜4/5之间。冲压 形成的凹腔呈近似的圆台型， 凹腔底部的直径与凹腔开口处的直 径的比值大致为 1/4〜2/5。 此外， 凹腔开口的直径大致占整个轮 体 101直径大小的一半。 两个轴孔 103呈相互对称的半月形， 半 月形孔的弦长也大致占整个轮体 101直径大小的一半。 当然， 并 非所有方案的尺寸比例都会落入上述的范围之内， 根据不同的制 作材料和加工工艺， 尺寸比例有所偏差也是可能的。
本实施例就是通过缩短两根支撑条 104之间的间距来提高卷 轴 3的机械强度的。实施例 1 中支撑条 104与轮体 101连为一体， 直接通过冲压成型。 这种方式结构简易， 生产工艺简单， 是一种 比较实用的方式。
图 15所示的是生产本捆绑器棘轮的一种冲压模具，用以冲压 形成向轮体 101 —侧凸出的支撑条 104。 其结构主要包括： 相互 配合的上模头 1和下模头 2， 在下模头 2上设有用于固定工件的 定位板 4 , 在上模头 1 的头部设有冲压凸头 11， 该冲压凸头 11 呈弧形过渡。在下模头 2上设有与上模头 1的冲压凸头 11相对应 的凹口 21。 冲压凸头 11 是由硬度较高的材料制成的， 且其表面 光滑呈弧形过渡， 不得有棱角。 这样， 可以防止在冲压过程中， 由于棱角的部位在冲压时的应力集中， 从而防止产品破裂或者形 成裂紋， 提高产品的成品率， 降低生产成本。
在工作时， 首先将待冲压的工件放置在下模头 2上， 并用定 位板 3将其固定， 使工件的中间部位置于凹口 21之上。 然后， 将 上模头 1 向下冲压， 冲压时根据实际的情况控制冲压的力度和深 度， 且一次冲压成型。 冲压力度过大容易造成工件断裂， 而冲压 力度过小又无法在支撑条 104上形成足够的凸出距离。 冲压成型 的棘轮结构如图 16所示。棘轮的支撑条 104向轮体 101的一侧凸 出， 且支撑条 104的凸出部分有一定的弧度。
为了顺利地完成加工制作， 加工实施例棘轮的整个生产工艺 流程可以概括如下：
A、 剪板： 剪板时要注意材料厚度和材质。
B、 落料： 用压力机冲压剪好的板材， 可选用 80- 125T 的压 力机,落料毛剌高度小于 0.1mm。
C、 成型： 使用上述的冲压模具进行冲压成型， 成型时， 选用 40-60T压力机,成型上模须冲压到位，保证一次成型。
D、 热处理： 将冲压成型后的棘轮进行热处理， 热处理后要求 硬度达到 HRC30-48。
E、 滚光： 在此工序中主要是去除表面的毛剌以及氧化表层。 F : 电镀： 表面镀锌钝化彩色,锌层厚度 0.004mm以上。 这样可 以防止腐蚀， 延长使用寿命。
如图 12所示， 在本体 8的一端设有横梁， 其上固定着定位带 84，定位带 84外端设有定位带钩 85。活动带 74卷设在卷轴 3上， 活动带 74外端设有活动带钩 75。捆绑器两端的定位带钩 85和活 动带钩 75 在使用时钩于货物或者车体上， 通过反复扳动手柄 7 使棘轮 10单向转动， 将活动带 74不断卷于卷轴 3上， 使活动带 74收紧。 最后将货物捆紧定位。
手柄 7的两侧片体 71上设有铰接口 73这一端的端部呈弧形 过渡。 本体 8的两侧板 82端部对应设有台阶 821， 台阶 821的顶 部弧形过渡至用于定位拉手的卡口 822。 在需要退带时， 将拉手 76提起， 使其位于台阶 821的顶部； 拉手 76顺着台阶 821顶部 弧形滑动， 在转动至卡口 822处时， 拉手 76被卡在其内， 从而使 得拉手 76与棘轮 10脱离。在拉手 76顺着台阶 821顶部弧形滑动 时， 挡板 86也顺着手柄 7的两侧片体 71端部弧形滑动， 将挡板 86顶起， 使其与棘轮 10脱离。 这样棘轮就能够自由转动， 从而 实现卷轴 3的退带。
实施例 2 :
如图 3和图 4所示， 实施例 2中支撑条 104是通过铆钉 105 固连于轮体 101上。 这种结构连接牢固， 而且使支撑条 104相对 于轮体 101的凸出距离较大。
实施例 3 :
如图 5和图 6所示， 实施例 3 中支撑条 104是通过螺栓 106 固连于轮体 101上的。 与上述的实施例相比， 本实施例中棘轮 10 生产时所用的设备最少， 支撑条 104和轮体 101制造出来后， 直 接用螺栓 106连接即可。
实施例 4 : ' 如图 7和图 8所示， 实施例 4中支撑条 104与轮体 101是通 过焊接的方式固连接在一起的。 这种方式结构也较简易， 而且两 者之间的连接牢固， 也是一种比较实用的方式。
实施例 5 :
如图 9、 图 10和图 11所示， 在实施例 5 中通过一个金属片 107将支撑条 104包裹于轮体 101 中。 此方式的生产也很容易， 而且使支撑条 104凸出轮体 101的距离较大。
总之，采用本发明的两棘轮 10之间的支撑条 104的间距缩短 了， 从而提高了卷轴 3的抗变形强度， 也就提高了捆绑器的机械 强度。
上述实施例 1 中的部分加工工艺同样适用于其余各个实施 例。 例如其中的剪板、 落料、 热处理、 滚光、 电镀等工序。
对比实施例：
如图 14所示， 本实施例为普通的捆绑器。 当车辆运载较重的 货物时， 需要较大的捆绑力。 此时， 由于棘轮之间的支撑条间距 较长， 容易使得卷轴变形弯曲， 如图 14中的半月键 31所示。
本文中所描述的具体实施例仅仅是对本发明精神作举例说 明。 本发明所属技术领域的技术人员可以对所描述的具体实施例 做各种各样的修改或补充或采用类似的方式替代， 但并不会偏离 本发明的精神或者超越所附权利要求书所定义的范围。
尽管本文较多地使用了本体、 棘轮、 手柄、 侧片体、 侧板等 术语， 但并不排除使用其它术语的可能性。 使用这些术语仅仅是 为了更方便地描述和解释本发明的本质； 把它们解释成任何一种 附加的限制都是与本发明精神相违背的。

Claims

权 利 要 求
1、 一种捆绑器的棘轮， 包括轮体 （101)， 在轮体 （101) 的 外沿设有棘齿 （102)， 在轮体 （101) 中有两个供卷轴 （3) 穿过 的轴孔 （103)， 在这两个轴孔 （103) 之间有一根支撑条 （104)， 其特征在于， 所述的支撑条 （104) 向轮体 （101) 的一侧凸出， 且支撑条 （104) 与轮体 （101) 固连。
2、 根据权利要求 1所述的捆绑器的棘轮， 其特征在于， 所述 的支撑条 （104) 与轮体 （101) 连成一体， 通过冲压成型。
3、 根据权利要求 1所述的捆绑器的棘轮， 其特征在于， 所述 的支撑条（104)通过铆钉（105)或者螺栓（106)固连于轮体（101) 上。
4、 根据权利要求 1所述的捆绑器的棘轮， 其特征在于， 所述 的支撑条 （104) 是焊接轮体 （101) 上的。
5、 根据权利要求 1所述的捆绑器的棘轮， 其特征在于， 所述 的支撑条 （104) 是通过一个金属片 （107) 包裹于轮体 （101) 上 的。
PCT/CN2005/001889 2005-05-23 2005-11-10 Roue a rochet de machine a fardeler WO2006125351A1 (fr)

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