WO2013029316A1 - 一种快速绞紧器 - Google Patents

一种快速绞紧器 Download PDF

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Publication number
WO2013029316A1
WO2013029316A1 PCT/CN2011/082997 CN2011082997W WO2013029316A1 WO 2013029316 A1 WO2013029316 A1 WO 2013029316A1 CN 2011082997 W CN2011082997 W CN 2011082997W WO 2013029316 A1 WO2013029316 A1 WO 2013029316A1
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WO
WIPO (PCT)
Prior art keywords
ratchet
half moon
semilunar
shaft
axis
Prior art date
Application number
PCT/CN2011/082997
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 US13/384,243 priority Critical patent/US8702065B2/en
Priority to EP11826102.3A priority patent/EP2762410B1/en
Publication of WO2013029316A1 publication Critical patent/WO2013029316A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P7/00Securing or covering of load on vehicles
    • B60P7/06Securing of load
    • B60P7/08Securing to the vehicle floor or sides
    • B60P7/0823Straps; Tighteners
    • B60P7/083Tensioning by repetetive movement of an actuating member
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/21Strap tighteners
    • Y10T24/2175Cargo tie down

Definitions

  • the present invention is in the field of mechanical technology and relates to a quick twister for binding goods. Background technique
  • the existing tightener usually comprises a bracket, a half moon shaft, a ratchet, a handle and a binding belt, the semilunar axis is connected with the ratchet and the semilunar axis is located on the bracket, the handle can be embedded in the ratchet, and the binding strap is connected on the meniscus.
  • the strap In use, the strap must pass through the long slot between the two half-moon axles before it can be bundled.
  • the outside temperature is very low, when the binding band is icing or the leader of the binding band is fluffed, or the knot in the middle of the webbing is not able to pass through the groove of the semilunar axis, it is unusable.
  • the webbing since the webbing is passed through the reel slot, the length of the movable belt is also adjusted, and the webbing needs to be pulled out from the reel slot, which is inconvenient in operation. Summary of the invention
  • An object of the present invention is to provide a quick tightener capable of rapid winding under various extreme conditions in view of the above problems in the prior art.
  • a quick tightener comprising a bracket, a handle, a ratchet and a meniscus, and the handle is hinged to the bracket through the meniscus.
  • the ratchet is connected to the semilunar axis and the handle can be rotated by the ratchet.
  • the semilunar axis is composed of a semilunar axis and a semilunar axis 2.
  • the semilunar axis and the semilunar axis 2 are both connected to the ratchet of the tightener and have a binding between the two.
  • the semilunar axis is fixedly connected to the ratchet, the semilunar axis 2 is circumferentially fixed to the ratchet and the semilunar axis 2 is axially movable relative to the ratchet, the semilunar axis
  • a clutch device between the two moon shafts that can connect or disengage the two.
  • the half moon shaft is separated from the half moon shaft by the clutch device.
  • the half moon shaft 2 is withdrawn in the axial direction, and the webbing is directly placed on the half moon shaft, and then inserted into the half moon shaft 2 to be reset. Complete the work of fast wearing. Rotate the handle to wind up the webbing and secure the goods.
  • the ratchet end has a through hole 1 through which the meniscus is disposed, and a through hole 2 through which the half moon shaft is disposed, and the through hole 1 and the through hole 2
  • the ports each have a connecting portion that protrudes perpendicular to the end surface of the ratchet, and the two connecting portions are respectively embedded on the handle and the bracket.
  • the ratchet can only be rotated by the connection, ensuring that the ratchet does not move in a direction perpendicular to the semilunar axis during use.
  • the ratchet includes a ratchet wheel 1 and a ratchet wheel 2, the ratchet wheel has a protruding positioning protrusion on the ratchet wheel, and the ratchet wheel has a positioning notch matched with the positioning protrusion, the positioning protrusion
  • the head is embedded in the positioning recess, and one side of the ratchet wheel has a connecting portion, and the other side of the ratchet wheel has another connecting portion.
  • the ratchet 1 and the ratchet 2 are formed by punching.
  • the ratchet wheel 1 and the ratchet wheel 2 are stamped so that the through hole 1 , the through hole 2 and the connecting portion can be formed at one time.
  • the ratchet wheel 1 and the ratchet wheel 2 can be firmly connected by positioning the nose and the positioning recess without relative rotation.
  • the clutch device is a positioning hole provided on the ejector pin and the half moon shaft 2 on the semilunar axis, and the ejector pin is provided with a spring one, in the spring 3 ⁇ 4 ⁇ ⁇
  • the ejector can be inserted into the locating hole under the elastic force of one.
  • the half moon shaft is firmly connected with the half moon shaft 2.
  • the semilunar axis 2 can move axially relative to the semilunar axis.
  • the positioning hole of the half moon shaft 2 is provided with a clutch lever, and the clutch lever is provided with a spring 2 for causing the clutch lever to retract into the positioning hole, and the above-mentioned jack is in the spring. Abuts against the end of the clutch rod.
  • the guide rod can be smoothly inserted into the positioning hole through the guide portion, or the ejector rod can be smoothly separated from the positioning hole.
  • the half moon shaft is fixedly connected with a pedestal seat having a cavity inside, and one end of the ejector pin is coupled to one side of the meniscus, and the other end of the ejector is extended.
  • One side of the half moon shaft is connected to the other side and a pressure cap is fixed at the end.
  • the top rod and the spring are located in the top rod seat, and the two ends of the spring one are respectively pressed against the top rod seat and the top rod, and Under the elastic force of the spring, the ram portion extends out of the pressure cap.
  • the ejector pin and the spring are covered by the ejector pin, so that the ejector pin is protected from the outside as much as possible, and finally the ram is stable.
  • This structure makes the ram move smoothly.
  • the half moon shaft is fixedly connected with a clutch rod seat having a cavity inside, and the above-mentioned clutch rod and spring 2 are both located in the clutch rod seat, and the spring is placed on the clutch rod and Under the elastic force of the spring 2, the inner end of the clutch rod has a tendency to retract into the positioning hole, and the outer end of the clutch rod has a tendency to protrude from the clutch rod seat.
  • a seal ring is disposed between the clutch lever and the clutch lever seat.
  • the one side of the limiting groove is inclined to the side of the ejector, and the other side of the limiting groove is a straight surface perpendicular to the two axial directions of the semilunar axis.
  • Such a structure allows the ejector rod to be smoothly inserted into the positioning groove or to smoothly detach the ejector pin from the positioning groove.
  • the fast tightener directly connects the half moon shaft and the half moon shaft through the ejector rod, and one of the half moon shafts or the half moon shaft shaft 2 can be axially moved by the clutch rod, and only the clutch rod needs to be pressed during the clutching process. Yes, it is more convenient to use.
  • the setting of the limit groove also increases the stability of the entire quick tightener, avoiding the one-half or half-moon axis of the half moon.
  • FIG. 2 is a schematic side view showing the structure of the present fast tightener. 3 ⁇ 4 ⁇ ⁇
  • FIG. 3 is a cross-sectional structural view of the clutch device in the fast tightener.
  • Figure 4 is a front view showing the structure of the ratchet in the fast tightener.
  • Figure 5 is a cross-sectional structural view of the ratchet in the fast tightener.
  • bracket; 2, half moon shaft; 2 a half moon shaft 2; 2 al, positioning hole; 2a2, guiding part; 2b, half moon axis one; 2b l, limit groove; 2b2, guiding surface; 2b3, 3, ratchet; 3a, ratchet 1; 3a l, positioning boss; 3b, ratchet 2; 3b l, positioning notch; 4, handle; 5, ejector; 6, spring one; 7, ejector; 8, pressure cap; 9, clutch lever; 10, spring two; 1 1, clutch lever; 12, through hole one; 13, through hole two; 14, the connection. detailed description
  • the quick tightener comprises a bracket 1, a meniscus 2, a ratchet 3, a handle 4 and a binding band, etc.
  • the half moon shaft 2 is connected with the ratchet 3 and the half moon shaft 2 is located on the bracket 1, and the handle 4 passes
  • the half moon shaft is hinged on the bracket 1, and the handle 4 can drive the ratchet 3 to rotate, and the binding strap is connected to the half moon shaft 2.
  • the quick tightener includes a half moon shaft 2 a and a half moon shaft 2b disposed on the bracket 1 of the tightener, and the half moon shaft 2a and the half moon shaft 2b are connected to the ratchet of the tightener. 3 has a gap between the two for the binding of the strap.
  • the semilunar axis 2a is fixedly connected to the ratchet 3
  • the semilunar axis 2b is fixedly connected to the ratchet wheel, and the semilunar axis 2a can move axially relative to the ratchet.
  • the semilunar axis 2a and the semilunar axis 2b can be connected. Or a clutch device that is detached.
  • the ratchet wheel 3a and the ratchet wheel 2b are formed by press forming.
  • the clutch device is a positioning hole 2a l disposed on the ejector pin 5 and the half moon shaft 2a on the semilunar axis 2b, and a spring 6 is arranged at the ejector pin 5, and the ejector pin 5 can be embedded and positioned under the elastic force of the spring-6. Hole 2a l.
  • the semi-moon shaft 2b is fixed with a pedestal seat 7 having a cavity inside.
  • One end of the ejector base 7 is fastened to one side of the half moon shaft 2a, and the other end of the ejector base 7 is extended to the half moon shaft 2b.
  • a pressure cap 8 is fixedly attached to the side, and the ejector rod 5 and the spring 6 are located in the ejector base 7.
  • the two ends of the spring 6 are respectively pressed against the ejector base 7 and the ejector rod 5, and are springs.
  • the ejector pin 5 partially protrudes from the pressure cap 8 by the elastic force of a 6.
  • a sealing ring is arranged between the side of the jack 5 and the jack seat 7.
  • the other end of the yoke base 7 on the half moon shaft 2a has a protruding blocking member. Obviously, the blocking member abuts against the side of the bracket, and the ejector base 7 abuts against the other side of the bracket, so that The half moon shaft 2a and the ratchet 3 are firmly fixed together.
  • the positioning hole 2 al of the half moon shaft 2a is provided with a clutch lever 9
  • the clutch lever 9 is provided with a spring 2 10 for causing the clutch lever 9 to retract into the positioning hole 2a l
  • the plunger 5 functions at the spring 6 It abuts against the end of the clutch lever 9.
  • the half moon shaft 2b is fixed with a clutch rod seat 1 having a cavity inside.
  • the above-mentioned clutch lever 9 and the spring 2 are all located in the clutch lever seat 1 1 , and the spring 20 is placed on the clutch lever 9 and in the spring 2 Under the elastic force of 10, the inner end of the clutch rod 9 has a tendency to retract into the positioning hole 2a1, and the outer end of the clutch rod 9 has a tendency to protrude from the clutch rod seat 11.
  • a sealing ring is provided between the clutch lever 9 and the clutch lever seat 1 1 .
  • the positioning hole 2a l has a tapered guiding portion 2 a2 at the port.
  • the half moon shaft 2a has a limit groove 2a3, and when the half moon shaft 2b moves axially relative to the ratchet wheel 3, the above ejector pin 5 can be embedded in the limit groove 2a3 to position the half moon axis.
  • the side of the limiting groove 2 a3 adjacent to the ram is an inclined guiding surface 2a4, and the other side of the limiting groove 2a3 is a straight surface 2a5 perpendicular to the two axial directions of the semilunar axis.
  • the clutch lever 9 When the tightener is in normal use, the clutch lever 9 is located in the positioning hole 2a l , the jack 5 is embedded in the positioning hole 2 al and abuts on the clutch lever 9 , and the half moon shaft 2 a is connected with the half moon shaft 2 bb, the binding band Wear between the half moon axis 2a and the half moon axis 2b 3 ⁇ 4 ⁇ ⁇
  • connection is firmly on the half moon shaft 2.
  • the clutch lever 9 is pressed by applying an external force, and the clutch lever 9 overcomes the elastic force of the spring 20 and then protrudes from the positioning hole 2a l.
  • the ejector pin 5 is disengaged from the positioning hole 2a 1 against the elastic force of the spring 6 , and the half moon shaft 2a is axially moved without restriction, until the limiting groove 2a3 is caught on the ejector pin 5, Quickly complete the belt or release the webbing.
  • the half moon shaft 2a is restored to its initial position.
  • the ejector rod 5 is again embedded in the positioning hole 2a l, and the half moon shaft 2a and the half moon shaft 2b are firmly connected.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

一种快速绞紧器,包括支架(1)、手柄(4)、棘轮(3)和半月轴(2),手柄(4)通过半月轴(2)铰接在支架(1)上,棘轮(3)连接在半月轴(2)上且手柄(4)能拨动棘轮(3)转动,半月轴(2)由半月轴一(2b)和半月轴二(2a)组成,半月轴一(2b)和半月轴二(2a)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,半月轴一(2b)与棘轮(3)固连,半月轴二(2a)与棘轮(3)周向固连且半月轴二(2a)能相对于棘轮(3)轴向移动,半月轴一(2b)与半月轴二(2a)之间具有能使两者连接或脱离的离合装置。该快速绞紧器操作方便、稳定性好。

Description

一种快速绞紧器 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快速绞 紧器。 背景技术
货物被运输的过程中, 通常需要将货物捆绑住, 从而防止货 物脱落或相互碰撞而造成的丢失或者损坏。 用绳索直接捆绑货物 的方式虽然能达到上述目的, 但是具体操作过程中费时费力, 并 且难以将货物牢固捆绑。
为此, 人们设计出了绞紧器, 它是一种先进的捆绑工具。 采 用绞紧器捆绑货物即方便又安全。 现有的绞紧器通常包括支架、 半月轴、 棘轮、 手柄和捆绑带等组成, 半月轴与棘轮相连接且半 月轴位于支架上, 手柄能嵌入棘轮上, 捆绑带连接在半月轴上。
使用时,捆绑带须要穿过两片半月轴之间的长槽,然后才能进 行捆绑作业。 当外界气温很低时, 捆绑带出现结冰或者是捆绑带 的带头出现起毛时, 或是织带中间部位出现打结等情况都无法从 半月轴的槽内穿过, 造成无法使用的问题。 另外, 由于将织带穿 过卷轴槽, 还要进行调节活动带的长度, 须要将织带从卷轴槽中 拉出, 操作上很不方便。 发明内容
本发明的目的是针对现有技术存在的上述问题, 提供一种能 在各种极限条件下快速卷带的快速绞紧器。
本发明的目的可通过下列技术方案来实现:一种快速绞紧器, 包括支架、 手柄、 棘轮和半月轴, 手柄通过半月轴铰接在支架上, ¾ ^ ^
棘轮连接在半月轴上且手柄能拨动棘轮转动, 半月轴由半月轴一 和半月轴二组成, 半月轴一和半月轴二均连接在绞紧器的棘轮上 且两者之间具有供捆绑带连接的间隙, 其特征在于, 所述的半月 轴一与棘轮固连, 所述的半月轴二与棘轮周向固连且半月轴二能 相对于棘轮轴向移动, 所述的半月轴一与半月轴二之间具有能使 两者连接或脱离的离合装置。
使用时, 通过离合装置使得半月轴一与半月轴二脱离, 此时 半月轴二沿其轴向退出,直接将织带平放在半月轴一上后,再插入 半月轴二,使其复位。 完成快速穿带的工作。 转动手柄卷紧织带, 将货物被牢牢的捆绑住。
在上述的快速绞紧器中, 所述的棘轮端部具有供半月轴一穿 设的通孔一和供半月轴二穿设的通孔二, 所述的通孔一和通孔二 的两端口处均具有沿垂直于棘轮端面凸出的连接部, 所述的两个 连接部分别嵌于手柄和支架上。
通过连接部使得棘轮只能转动, 在使用过程中保证了棘轮不 会沿垂直于半月轴的方向位移。
在上述的快速绞紧器中, 所述的棘轮包括棘轮一和棘轮二, 棘轮一上具有凸出的定位凸头, 棘轮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, 上述棘轮一 的一侧具有一个连接部, 上述棘轮二的另一侧具有另外一个连接 部。
在上述的快速绞紧器中, 所述的棘轮一和棘轮二通过冲压成 形。
棘轮一和棘轮二采用冲压使得其上的通孔一、 通孔二、 连接 部均能一次成型。 当然, 棘轮一与棘轮二通过定位凸头和定位凹 口使得两者能牢固的连接在一起, 而不会发生相对转动的情况。
在上述的快速绞紧器中, 所述的离合装置为设于半月轴一上 的顶杆和半月轴二上的定位孔, 所述顶杆处设有弹簧一, 在弹簧 ¾ ^ ^
一的弹力作用下顶杆能嵌入定位孔处。
顶杆在弹簧一的弹力作用下嵌入半月轴二的定位孔后, 半月 轴一与半月轴二牢固连接。 一旦顶杆由定位孔退出后, 半月轴二 就能相对于半月轴一轴向移动。
在上述的快速绞紧器中, 所述的半月轴二的定位孔处设有离 合杆,离合杆处设有使离合杆具有向定位孔内缩入趋势的弹簧二, 上述的顶杆在弹簧一的作用下抵靠在离合杆端部。
显然, 在初始状态下离合杆位于定位孔内。 通过外力使离合 杆克服弹簧二弹力后就能通过离合杆将位于定位孔内的顶杆推 出。
在上述的快速绞紧器中, 所述定位孔端口处具有呈锥形的导 向部。
半月轴二轴向移动过程中通过导向部使得顶杆能顺畅的嵌入 定位孔内, 或者使顶杆能顺畅的由定位孔内脱离。
在上述的快速绞紧器中, 所述的半月轴一上固连有内部为空 腔的顶杆座, 顶杆座的一端卡接在半月轴一的一侧, 顶杆座的另 一端伸出半月轴一另一侧且在该端固连有压帽, 上述的顶杆和弹 簧一位于顶杆座内, 上述弹簧一的两端分别顶压在顶杆座和顶杆 上, 且在弹簧一的弹力作用下顶杆部分伸出压帽。
通过顶杆座将顶杆和弹簧一罩住, 使得顶杆尽量不受外界影 响, 最终使得顶杆动作稳定。
在上述的快速绞紧器中, 所述的顶杆侧部与顶杆座之间设有 密封圈。
这样的结构使得顶杆动作顺畅。
在上述的快速绞紧器中, 所述的半月轴二上固连有内部为空 腔的离合杆座, 上述的离合杆和弹簧二均位于离合杆座内, 弹簧 二套在离合杆上且在弹簧二的弹力作用下离合杆内端具有缩入定 位孔的趋势, 离合杆外端具有伸出离合杆座的趋势。 ¾ ^ ^
通过离合杆座将离合杆和弹簧二罩住, 使得离合杆尽量不受 外界影响, 最终使得离合杆动作稳定。
在上述的快速绞紧器中, 所述的离合杆与离合杆座之间设有 密封圈。
通过这样的结构使得离合杆动作顺畅。
在上述的快速绞紧器中, 所述的半月轴二上具有限位槽, 且 当半月轴二相对于棘轮轴向移动后上述的顶杆能嵌入限位槽内将 半月轴定位。
通过限位槽与顶杆的配合将半月轴二的移动行程限位, 半月 轴二只能在设定的行程内轴向移动。避免半月轴二与绞紧器脱离。
在上述的快速绞紧器中, 所述的限位槽靠近于顶杆的一侧为 倾斜的导向面, 限位槽的另一侧为垂直于半月轴二轴向的直面。
这样的结构使得顶杆能顺畅的嵌入定位槽内或使顶杆顺畅的 由定位槽内脱离。
与现有技术相比, 本快速绞紧器由于半月轴一和半月轴二的 其中一根能轴向移动, 因此, 能够快速完成穿带的工作, 并且当 织带发生打结、 端部起毛或者是织带被冰冻的情况下, 仍能够快 速完成捆绑, 具有较高的实用价值。
同时, 本快速绞紧器直接通过顶杆使半月轴一和半月轴二连 接, 通过离合杆使半月轴一或半月轴二的其中一根能轴向移动, 离合过程中只需要按压离合杆即可, 使用显得比较方便。 限位槽 的设置还增加了整个快速绞紧器的稳定性, 避免了半月轴一或半 月轴二脱落。
另外, 棘轮采用冲压一次成型, 结构简单, 成本较低。 附图说明
图 1是本快速绞紧器的主视结构示意图。
图 2是本快速绞紧器的侧视结构示意图。 ¾ ^ ^
图 3是本快速绞紧器中离合装置处的剖视结构示意图。
图 4是本快速绞紧器中棘轮的主视结构示意图。
图 5是本快速绞紧器中棘轮的剖视结构示意图。
图中, 1、 支架; 2、 半月轴; 2 a、 半月轴二; 2 a l、 定位孔; 2a2、 导向部; 2b、 半月轴一; 2b l、 限位槽; 2b2、 导向面; 2b3、 直面; 3、 棘轮; 3a、 棘轮一; 3a l、 定位凸头; 3b、 棘轮二; 3b l、 定位凹口; 4、 手柄; 5、 顶杆; 6、 弹簧一; 7、 顶杆座; 8、 压帽; 9、 离合杆; 10、 弹簧二; 1 1、 离合杆座; 12、 通孔一; 13、 通孔 二; 14、 连接部。 具体实施方式
如图 1和图 2所示, 快速绞紧器包括支架 1、 半月轴 2、 棘轮 3、手柄 4和捆绑带等, 半月轴 2与棘轮 3连接且半月轴 2位于支 架 1上, 手柄 4通过半月轴铰接在支架 1上, 手柄 4能带动棘轮 3转动, 捆绑带连接在半月轴 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 2a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 2a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端部具有供半月轴二 2a穿设的通 孔一 12和供半月轴一 2b穿设的通孔二 13, 所述的通孔一 12和 通孔二 13 的两端口处均具有沿垂直于棘轮 3 端面凸出的连接部 14, 所述的两个连接部 14分别嵌于手柄 4和支架 1 上。 棘轮 3 由棘轮一 3a和与棘轮二 3b组成,棘轮一 3a上具有凸出的定位凸 头 3a l,棘轮二 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, 上述棘轮一 3a ¾ ^ ^
的一侧具有一个连接部 14, 上述棘轮二 3b 的另一侧具有另外一 个连接部 14。本实施例中,棘轮一 3a和棘轮二 3b通过冲压成形。
离合装置为设于半月轴一 2b上的顶杆 5和半月轴二 2a上的 定位孔 2a l, 顶杆 5处设有弹簧一 6, 在弹簧一 6的弹力作用下顶 杆 5能嵌入定位孔 2a l处。半月轴一 2b上固连有内部为空腔的顶 杆座 7, 顶杆座 7的一端卡接在半月轴二 2a的一侧, 顶杆座 7的 另一端伸出半月轴一 2b另一侧且在该端固连有压帽 8, 顶杆 5和 弹簧一 6位于顶杆座 7内, 上述弹簧一 6的两端分别顶压在顶杆 座 7和顶杆 5上, 且在弹簧一 6的弹力作用下顶杆 5部分伸出压 帽 8。 顶杆 5侧部与顶杆座 7之间设有密封圈。 本实施例中, 半 月轴二 2a上处于顶杆座 7的另一端具有凸出的阻挡件, 显然, 阻 挡件抵靠在支架一侧, 顶杆座 7抵靠在支架另一侧, 这样就使得 半月轴二 2a与棘轮 3牢牢的固连在一起。
半月轴二 2a的定位孔 2 a l处设有离合杆 9, 离合杆 9处设有 使离合杆 9具有向定位孔 2a l 内缩入趋势的弹簧二 10, 顶杆 5在 弹簧一 6的作用下抵靠在离合杆 9端部。半月轴一 2b上固连有内 部为空腔的离合杆座 1 1, 上述的离合杆 9和弹簧二 10均位于离 合杆座 1 1 内,弹簧二 10套在离合杆 9上且在弹簧二 10的弹力作 用下离合杆 9内端具有缩入定位孔 2a l的趋势, 离合杆 9外端具 有伸出离合杆座 1 1的趋势。 离合杆 9与离合杆座 1 1之间设有密 封圈。 本实施例中, 定位孔 2a l端口处具有呈锥形的导向部 2 a2。
半月轴二 2a上具有限位槽 2a3, 且当半月轴一 2b相对于棘 轮 3轴向移动后上述的顶杆 5能嵌入限位槽 2a3内将半月轴定位。 限位槽 2 a3靠近于顶杆的一侧为倾斜的导向面 2a4, 限位槽 2a3 的另一侧为垂直于半月轴二轴向的直面 2a5。
绞紧器正常使用时离合杆 9位于定位孔 2a l 内, 顶杆 5嵌入 定位孔 2 a l 内且抵靠在离合杆 9上, 半月轴一 2 a与半月轴二 2b 连接在一起, 捆绑带穿在半月轴一 2a与半月轴二 2b之间的间隙 ¾ ^ ^
处牢固的连接在半月轴 2上。
使用时, 通过施加外力按压离合杆 9, 离合杆 9克服弹簧二 10的弹力后伸出定位孔 2a l。 此过程中顶杆 5克服弹簧一 6的弹 力由定位孔 2a l中脱离, 此时半月轴二 2a不受限制能轴向移动, 直至限位槽 2a3卡在顶杆 5上, 此时就能快速完成穿带或是释放 织带。 一旦完成操作后, 将半月轴二 2a 恢复其初始位置顶杆 5 再次嵌入定位孔 2a l处,半月轴二 2a和半月轴一 2b即牢固连接。

Claims

权 利 要 求 书
1、 一种快速绞紧器, 包括支架 (1)、 手柄 (4)、 棘轮 (3) 和半月轴 (2), 手柄 (4) 通过半月轴 (2) 铰接在支架 (1) 上, 棘轮 (3) 连接在半月轴 (2) 上且手柄 (4) 能拨动棘轮 (3) 转 动, 半月轴 (2) 由半月轴一 (2b) 和半月轴二 (2a) 组成, 半月 轴一 (2b) 和半月轴二 (2a) 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, 其特征在于, 所述的半月轴一
(2b) 与棘轮 (3) 固连, 所述的半月轴二 (2a) 与棘轮 (3) 周 向固连且半月轴二 (2a) 能相对于棘轮 (3) 轴向移动, 所述的半 月轴一 (2b) 与半月轴二 (2a) 之间具有能使两者连接或脱离的 离合装置。
2、 根据权利要求 1所述的快速绞紧器, 其特征在于, 所述的 棘轮 (3) 端部具有供半月轴一 (2b) 穿设的通孔一 (12) 和供半 月轴二 (2a) 穿设的通孔二 (13), 所述的通孔一 (12) 和通孔二
( 13) 的两端口处均具有沿垂直于棘轮 (3) 端面凸出的连接部
( 14), 所述的两个连接部 (14) 分别嵌于手柄 (4) 和支架 (1) 上。
3、 根据权利要求 2所述的快速绞紧器, 其特征在于, 所述的 棘轮 (3) 包括棘轮一 (3a) 和棘轮二 (3b), 棘轮一 (3a) 上具 有凸出的定位凸头(3al), 棘轮二(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, 上述棘轮一 (3a) 的一侧具有一个连接部 (14), 上述棘轮二 (3b) 的另一侧具有另外一个连接部 (14)。
4、 根据权利要求 3所述的快速绞紧器, 其特征在于, 所述的 棘轮一 (3a) 和棘轮二 (3b) 通过冲压成形。
5、根据权利要求 1或 2或 3或 4所述的快速绞紧器, 其特征 在于, 所述的离合装置为设于半月轴一 (2b) 上的顶杆 (5) 和半 月轴二(2a)上的定位孔(2al),所述顶杆( 5 )处设有弹簧一( 6 ), 在弹簧一 (6) 的弹力作用下顶杆 (5) 能嵌入定位孔 (2al) 处。
—1— 权 利 要 求 书
6、 根据权利要求 5所述的快速绞紧器, 其特征在于, 所述的 半月轴二 (2a) 的定位孔 (2al) 处设有离合杆 (9), 离合杆 (9) 处设有使离合杆 (9) 具有向定位孔 (2al) 内缩入趋势的弹簧二
(10), 上述的顶杆(5)在弹簧一(6)的作用下抵靠在离合杆(9) 端部。
7、 根据权利要求 5所述的快速绞紧器, 其特征在于, 所述定 位孔 (2al) 端口处具有呈锥形的导向部 (2a2)。
8、 根据权利要求 5所述的快速绞紧器, 其特征在于, 所述的 半月轴一 (2b) 上固连有内部为空腔的顶杆座 (7), 顶杆座 (7) 的一端卡接在半月轴一 (2b) 的一侧, 顶杆座 (7) 的另一端伸出 半月轴一(2b)另一侧且在该端固连有压帽(8), 上述的顶杆(5) 和弹簧一 (6) 位于顶杆座 (7) 内, 上述弹簧一 (6) 的两端分别 顶压在顶杆座 (7) 和顶杆 (5) 上, 且在弹簧一 (6) 的弹力作用 下顶杆 (5) 部分伸出压帽 (8)。
9、 根据权利要求 8所述的快速绞紧器, 其特征在于, 所述的 顶杆 (5) 侧部与顶杆座 (7) 之间设有密封圈。
10、 根据权利要求 5所述的快速绞紧器, 其特征在于, 所述 的半月轴二 (2a) 上固连有内部为空腔的离合杆座 (11), 上述的 离合杆(9)和弹簧二(10)均位于离合杆座(11)内, 弹簧二(10) 套在离合杆 (9) 上且在弹簧二 (10) 的弹力作用下离合杆 (9) 内端具有缩入定位孔 (2al) 的趋势, 离合杆 (9) 外端具有伸出 离合杆座 (11) 的趋势。
11、 根据权利要求 10所述的快速绞紧器, 其特征在于, 所述 的离合杆 (9) 与离合杆座 (11) 之间设有密封圈。
12、 根据权利要求 5所述的快速绞紧器, 其特征在于, 所述 的半月轴二 (2a) 上具有限位槽 (2bl), 且当半月轴二 (2a) 相 对于棘轮 (3) 轴向移动后上述的顶杆 (5) 能嵌入限位槽 (2bl) 内将半月轴 (2) 定位。
—2— 权 利 要 求 书
13、 根据权利要求 12所述的快速绞紧器, 其特征在于, 所述 的限位槽 (2bl) 靠近于顶杆 (5) 的一侧为倾斜的导向面 (2b2), 限位槽(2bl)的另一侧为垂直于半月轴二(2a)轴向的直面(2b3)。
—3—
PCT/CN2011/082997 2011-09-02 2011-11-26 一种快速绞紧器 WO2013029316A1 (zh)

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