WO2006069497A1 - One screw assembly for automatic locking parts - Google Patents

One screw assembly for automatic locking parts Download PDF

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Publication number
WO2006069497A1
WO2006069497A1 PCT/CN2005/000008 CN2005000008W WO2006069497A1 WO 2006069497 A1 WO2006069497 A1 WO 2006069497A1 CN 2005000008 W CN2005000008 W CN 2005000008W WO 2006069497 A1 WO2006069497 A1 WO 2006069497A1
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WO
WIPO (PCT)
Prior art keywords
bolt
nut
washer
positioning member
peripheral wall
Prior art date
Application number
PCT/CN2005/000008
Other languages
French (fr)
Chinese (zh)
Inventor
Qibing Lai
Original Assignee
Qibing Lai
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Filing date
Publication date
Application filed by Qibing Lai filed Critical Qibing Lai
Publication of WO2006069497A1 publication Critical patent/WO2006069497A1/en

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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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
    • F16B39/108—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt with a locking washer under the nut or bolt head having at least one tongue or lug folded against the nut or bolt head, or against the object itself

Definitions

  • the present invention relates to a fully automatic lock bolt assembly for mounting connections between components. Background technique
  • the anti-loose nut shown in Patent No. 98233737 discloses the following technical solution: a right and left crepe with different diameters are provided on one bolt, and a corresponding nut is provided. Or right and left threads are respectively arranged on a bolt group. After the bolts are fastened according to different threads, the power transmitted to the bolts in different directions cannot be loosened when the equipment is operated, because the same bolt group has right and left. The tightening force of the thread and the rotation of the bolt in any direction are restricted, so as to prevent loosening.
  • the nut or the action bolt and the locknut or the anti-loose bolt are manually tightened and tightened in different directions, and the bolt group is not loosened due to the operation of the device.
  • the right and left threads of different diameters are simultaneously processed on the bolts, not only the process is complicated, but also the strength of the bolts and nuts is inevitably lowered, which is easy to damage, and it is also not easy to disassemble and repair. .
  • the object of the present invention is to provide a fully automatic lock bolt assembly which is not only simple in structure, low in cost, convenient in use, but also has good anti-loose performance and good anti-loosening performance even in a vibrating environment.
  • the present invention is constructed such that it includes a bolt and a washer that is placed around the outer periphery of the screw of the bolt, and is characterized in that: the front side of the washer has a claw for holding the support surface of the connected member, and the rear side of the washer A positioning member for holding the groove provided in the outer peripheral wall of the nut of the bolt is provided on the circumference.
  • the present invention since the front side of the washer has sharp teeth, when the bolt is tightened, the tines are pressed into the bearing surface of the connected member, so that the washer is fastened to the connected member, so that the positioning member on the rear side of the washer is When the groove provided on the outer peripheral wall of the nut of the bolt is caught, the bolt is also fastened to the connected piece and cannot be loosened.
  • the present invention is not only simple in structure, inexpensive, easy to process, and good anti-loosening performance, to ensure that the bolt assembly even under vibration environment can still be reliably coupled to the connecting member 9
  • FIG. 1 is a schematic view showing the construction of a first embodiment of the present invention (the double dotted line 4 is shown as a connected member).
  • Figure 2 is a view taken along the line A in Figure 1. : .
  • Figure 3 is a schematic view of the gasket of the first embodiment. ⁇
  • Figure 4 is a top view of Figure 3.
  • Figure 5 is a schematic view showing the structure of the second embodiment of the present invention.
  • Figure 6 is a schematic view showing the removal of the annular body in the second embodiment.
  • Figure 7 is a plan view of Figure 6. '
  • Figure 8 is a schematic view of the gasket of the second embodiment. ' ' . ' ,
  • Figure 9 is a schematic view of the annular body in the second embodiment.
  • Figure 10 is a bottom view of Figure 9.
  • Figure 11 is a schematic view showing the structure of the third embodiment of the present invention. .
  • Figure 12 is a plan view of Figure 11 ⁇ .
  • Figure 13 is a schematic view of the gasket of the third embodiment. :
  • the first embodiment of the present invention is as shown in FIG. 1 to FIG. 4; and includes a bolt 11 and a washer 13 sleeved on the periphery of the screw 12 of the bolt, wherein: the front side of the washer has a buckle for supporting the connected member.
  • the tapered teeth 14 of the face are provided with a positioning member 17 for fastening the groove 16 provided on the outer peripheral wall of the nut 15 of the bolt on the rear side of the washer.
  • the above positioning member is an elastic positioning member which is distributed on the radial peripheral portion of the rear side of the gasket and which is bendable rearward.
  • the second embodiment of the present invention includes a bolt 21 and a washer 23 disposed on the periphery of the screw 22 of the bolt, wherein: the front side of the washer has a function for holding the connected member.
  • Branch The lug 24 of the bearing surface is provided with a positioning member 27 for fastening the groove 26 provided on the outer peripheral wall of the nut 25 of the bolt on the rear side of the gasket.
  • the bolt is a hexagon socket bolt.
  • the positioning member is an elastic positioning member which is disposed on the rear side of the gasket and is bent backward. The outer edge of the upper end of the nut is fastened.
  • the annular body 28 has a rib 29 corresponding to each of the grooves embedded in the outer peripheral wall of the nut so that the outer peripheral wall of the nut forms a complete cylindrical surface.
  • a third embodiment of the present invention includes a bolt. 31 and a washer 33 that is sleeved on the periphery of the screw 32 of the bolt, wherein: the front side of the washer has a buckle for supporting the connected member.
  • the surface of the rear side of the washer 34 is provided with a positioning member 37 for holding the groove 36 provided on the outer peripheral wall of the nut 35 of the bolt.
  • the bolt is a hexagon socket bolt, and the nut has a ratchet cross section.
  • the positioning member is a pawl 37 that can cooperate with the ratchet to restrict the reverse rotation of the ratchet.
  • the bottom of the bearing surface of the anti-loose bolt has teeth.
  • the present invention is simple in structure, easy to use: Good anti-effect, with great application value.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)
  • Bolts, Nuts, And Washers (AREA)

Abstract

This invention relates to a screw assembly for automatic locking parts, which includes a screw and a gasket set around a bolt of said screw, wherein there are some sharp teeth set on the front of the gasket for locking the surface of parts, and there are also a few locating parts set on the back perimeter of the gasket to lock grooves set in the edge of a nut of said screw unit. The screw assembly has some advantages as following: it has simple 'structure and low price and is convenient to be used, it also has perfect locking performance even in vibration environment.

Description

全自动防松螺栓组件 技术领域  Fully automatic anti-loose bolt assembly
本发明涉及一种用于零部件之间安装连接的全自动防松螺栓组件。 背景技术  The present invention relates to a fully automatic lock bolt assembly for mounting connections between components. Background technique
目前， 零件装配所用到的紧固件大多数是螺栓、 螺母。 为了防止螺栓螺 母松动， 通常会在螺栓与零件或螺母与零件之间加一片弹垫， 让弹垫起到防 松作用。 由于弹垫的两个接头有尖锐的角并且向外张开， '当螺栓或螺母松开 时弹垫的两个接头能够顶住螺栓 (螺母)和零件从而达到防松的效果。但是在 震动或旋转的环境下， 却发现螺栓螺母经常松开， 从而给设备带来不良的后 果 。  At present, most of the fasteners used in the assembly of parts are bolts and nuts. In order to prevent the bolt nut from loosening, a spring pad is usually added between the bolt and the part or the nut and the part to make the spring pad play a loosening effect. Since the two joints of the spring pad have sharp corners and open outwards, 'When the bolt or nut is loosened, the two joints of the spring pad can withstand the bolts (nuts) and the parts to achieve a loosening effect. However, in a vibrating or rotating environment, it is found that the bolts and nuts are often loosened, resulting in undesirable consequences for the equipment.
为了克服螺栓螺母松动的难题.， 专利号为 98233737所示的一种防松型 螺母公开了如下技术方案： 在一螺栓上同时设有直径不同的右、左蟪纹， 并 配有相应螺母， 或者在一螺栓组上分别设有右、 左螺纹， 螺栓依照不同的螺 紋紧固后， 无论设备运作时传给螺栓各种不同方向的动力都不能使其松动， 因同一螺栓组具有右、 左螺纹的紧固力， 螺栓往任何方向转动都受到限制， 从而达到防松脱的目的。采用上述方案， 人为分别从不同方向将作用螺母或 作用螺栓及防松螺母或防松螺栓（防松螺钉）一次性按规定旋转紧固后， 其 螺栓组不会因设备运作而松缓。但由于在螺栓上同时加工直径不同的右、左 螺紋， 不仅工艺复杂， 而且难免会降低螺栓螺母的强度， 使其容易损坏， 此 外， 也不方便拆开维修。 .  In order to overcome the problem of the looseness of the bolt and nut, the anti-loose nut shown in Patent No. 98233737 discloses the following technical solution: a right and left crepe with different diameters are provided on one bolt, and a corresponding nut is provided. Or right and left threads are respectively arranged on a bolt group. After the bolts are fastened according to different threads, the power transmitted to the bolts in different directions cannot be loosened when the equipment is operated, because the same bolt group has right and left. The tightening force of the thread and the rotation of the bolt in any direction are restricted, so as to prevent loosening. According to the above scheme, the nut or the action bolt and the locknut or the anti-loose bolt (anti-loose screw) are manually tightened and tightened in different directions, and the bolt group is not loosened due to the operation of the device. However, since the right and left threads of different diameters are simultaneously processed on the bolts, not only the process is complicated, but also the strength of the bolts and nuts is inevitably lowered, which is easy to damage, and it is also not easy to disassemble and repair. .
发明内容  Summary of the invention
本发明的目的是提供一种全自动防松螺栓组件， 该装置不仅结构简单、 价格低廉、使用方便， 而且防松性能好， 即使在震动环境下仍具有良好的防 松性能。  SUMMARY OF THE INVENTION The object of the present invention is to provide a fully automatic lock bolt assembly which is not only simple in structure, low in cost, convenient in use, but also has good anti-loose performance and good anti-loosening performance even in a vibrating environment.
本发明是这样构成的， 它包括螺栓和套置于螺栓的螺杆***的垫圈， 其 特征在于.： 所述的垫圈前侧具有用以扣住被连接件支承面的尖齿， 垫圈的后 侧周部上设有用以扣住设于螺栓的螺母外周壁上的槽道内的定位件。  The present invention is constructed such that it includes a bolt and a washer that is placed around the outer periphery of the screw of the bolt, and is characterized in that: the front side of the washer has a claw for holding the support surface of the connected member, and the rear side of the washer A positioning member for holding the groove provided in the outer peripheral wall of the nut of the bolt is provided on the circumference.
本发明由于垫圈前侧具有尖齿，当螺栓旋紧时也把尖齿压入被连接件的 支承面上， 使垫圈紧固在被连接件上， 这样当垫圈后侧周部上的定位件扣住 设于螺栓的螺母外周壁上的槽道时.，：螺栓也被固紧在被连接件上不能松开。 因而较之已有技术而言， 本发明不仅结构简单， 价格低廉， 加工使用方 便， 而且防松性能好， 可确保螺栓组件即使在震动环境下仍然能可靠地联接 在被连接件上 9 According to the invention, since the front side of the washer has sharp teeth, when the bolt is tightened, the tines are pressed into the bearing surface of the connected member, so that the washer is fastened to the connected member, so that the positioning member on the rear side of the washer is When the groove provided on the outer peripheral wall of the nut of the bolt is caught, the bolt is also fastened to the connected piece and cannot be loosened. Thus compared to prior art, the present invention is not only simple in structure, inexpensive, easy to process, and good anti-loosening performance, to ensure that the bolt assembly even under vibration environment can still be reliably coupled to the connecting member 9
附图说明  DRAWINGS
下面结合附图和实施例对本发明进一步说明。  The invention will now be further described with reference to the drawings and embodiments.
图 1是本发明实施例一构造示意图（图中双点划线 4所示为被连接件)。 图 2是图 1的 A向视图。 ： .  BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the construction of a first embodiment of the present invention (the double dotted line 4 is shown as a connected member). Figure 2 is a view taken along the line A in Figure 1. : .
图 3是实施例一的垫圈示意图。 ·  Figure 3 is a schematic view of the gasket of the first embodiment. ·
• 图 4是图 3的俯视图。  • Figure 4 is a top view of Figure 3.
图 5是本发明实施例二构造示意图。  Figure 5 is a schematic view showing the structure of the second embodiment of the present invention.
图 6是实施例二除去环形体示意图。  Figure 6 is a schematic view showing the removal of the annular body in the second embodiment.
图 7是图 6的俯视图。 '  Figure 7 is a plan view of Figure 6. '
图 8是实施例二垫圈示意图。' ' . ' ,  Figure 8 is a schematic view of the gasket of the second embodiment. ' ' . ' ,
图 9是实施例二中的环形体示意图。  Figure 9 is a schematic view of the annular body in the second embodiment.
图 10是图 9的仰视图。  Figure 10 is a bottom view of Figure 9.
图 11是本发明实施例三构造示意图。 .  Figure 11 is a schematic view showing the structure of the third embodiment of the present invention. .
图 12是图 11·的俯视图。  Figure 12 is a plan view of Figure 11·.
图 13是实施例三垫圈示意图。 ：  Figure 13 is a schematic view of the gasket of the third embodiment. :
具体实施方式  detailed description
本发明实施例一如图 1—图 4所示； 包括螺栓 11和套置于螺栓的螺杆 12***的垫圈 13， .其特征在于： 所述的垫圈前侧具有用以扣住被连接件支 承面的尖齿 14， 垫圈的后侧周部上设有用以扣住设于螺栓的螺母 15外周壁 上的槽道 16的定位件 17。 上述的定位件为分布于垫圈后侧径向周部上可向 后弯折的弹性定位件。  The first embodiment of the present invention is as shown in FIG. 1 to FIG. 4; and includes a bolt 11 and a washer 13 sleeved on the periphery of the screw 12 of the bolt, wherein: the front side of the washer has a buckle for supporting the connected member. The tapered teeth 14 of the face are provided with a positioning member 17 for fastening the groove 16 provided on the outer peripheral wall of the nut 15 of the bolt on the rear side of the washer. The above positioning member is an elastic positioning member which is distributed on the radial peripheral portion of the rear side of the gasket and which is bendable rearward.
使用时， 当螺栓旋紧时首先把垫圈前侧的尖齿压入被连接件的支承面 上， 使垫圈紧固在被连接件上； 当.螺栓继续旋转到其中一条弹性定位件对应 于螺母外周壁上的其中一个槽道位置时.，将该弹性定位件向后弯折嵌入该槽 道内， 即可将该螺栓紧固在被连接件上; 只有当向外掰开弹性定位件使螺 解除束缚时， 螺栓才能向外旋转松开。  When in use, when the bolt is tightened, first press the tines on the front side of the washer into the support surface of the connected member to fasten the washer to the connected member; when the bolt continues to rotate to one of the elastic positioning members corresponding to the nut When one of the channels on the outer peripheral wall is positioned, the elastic positioning member is bent back into the channel to fasten the bolt to the connected member; only when the elastic positioning member is opened outwardly When the restraint is released, the bolt can be rotated outward to release.
本发明实施例二如图 5—图 10所示， 包括螺栓 21和套置于螺栓的螺杆 22***的垫圈 23， 其特征在于: 所述的垫圈前侧具有用以.扣住被连接.件支 承面的尖齿 24, 垫圈的后侧周部上设有用以扣住设于螺栓的螺母 25外周壁 上的槽道 26的定位件 27。 为了便于旋转螺栓， 述的螺栓为内六角螺栓， 所述的定位件为设于垫圈后侧周部上并向后弯曲的弹性定位件，所述的螺母 上外侧端的外缘部上扣置有环形体 28，该环形体周部上具有用以对应嵌入设. 于螺母外周壁上的各个槽道内的凸条 29以使两者套合后螺母外周壁形成完 整的圆柱面。 As shown in FIG. 5 to FIG. 10, the second embodiment of the present invention includes a bolt 21 and a washer 23 disposed on the periphery of the screw 22 of the bolt, wherein: the front side of the washer has a function for holding the connected member. Branch The lug 24 of the bearing surface is provided with a positioning member 27 for fastening the groove 26 provided on the outer peripheral wall of the nut 25 of the bolt on the rear side of the gasket. In order to facilitate the rotation of the bolt, the bolt is a hexagon socket bolt. The positioning member is an elastic positioning member which is disposed on the rear side of the gasket and is bent backward. The outer edge of the upper end of the nut is fastened. The annular body 28 has a rib 29 corresponding to each of the grooves embedded in the outer peripheral wall of the nut so that the outer peripheral wall of the nut forms a complete cylindrical surface.
使用时， 先在螺栓的螺母上套上环形体， 使环形体的凸条对应嵌入螺母 外周壁上的各个槽道內， 再将垫圈套入螺栓的螺杆上， 由于螺母与环形体套 合后， 螺母外周壁形成完整的圆柱面， 使得垫圈后侧的弹性定位件不能嵌入 蟪母外周壁的槽道内， 因而螺栓可相对垫圈旋转。这样， 当螺栓旋紧时首先. 把垫圈前侧的尖齿压入被连接件的支承面上， 使垫圈紧固在被连接件上； 当 螺栓继续旋转到其中一条弹性定位件对应于螺母外周壁上的其中一个槽道 位置时， 将环形体向外取出， 该弹性定位件即自动嵌入该槽道内.， 从而使螺 栓被紧固在被连接件上； .当要松开螺栓时， 只要将环形体重新套到螺母上， 使弹性定位件向外张开即可解除对螺栓的束缚， 使螺栓可向外旋转。 '  When in use, first put an annular body on the nut of the bolt, so that the ribs of the annular body are correspondingly embedded in the respective grooves on the outer peripheral wall of the nut, and then the washer is placed on the screw of the bolt, because the nut is fitted with the annular body The outer peripheral wall of the nut forms a complete cylindrical surface so that the elastic positioning member on the rear side of the gasket cannot be inserted into the groove of the outer peripheral wall of the abutment, so that the bolt can rotate relative to the washer. Thus, when the bolt is tightened, first, press the tines on the front side of the washer into the support surface of the connected member to fasten the washer to the connected member; when the bolt continues to rotate, one of the elastic positioning members corresponds to the outer circumference of the nut. When one of the channels is in the position of the channel, the annular body is taken out, and the elastic positioning member is automatically embedded in the channel, so that the bolt is fastened to the connected member; when the bolt is to be loosened, The annular body is re-sleeved onto the nut, and the elastic positioning member is opened outward to release the binding of the bolt, so that the bolt can be rotated outward. '
本发明实施例三如图 11一图 13所示，包括螺栓.31和套置于螺栓的螺杆 32***的垫圈 33, 其特征在于： 所述的垫圈前侧具有用以扣住被连接件支 承面的尖齿 34，.垫圈的后侧周部上设有用以扣住设于螺栓的螺母 35外周壁 上的槽道 36的定位件 37。 所述的螺栓为内六角螺栓， 所述的螺母断面呈棘 轮状，所述的定位件为可与棘轮配合用以限制棘轮逆向旋转的棘爪 37。防松 螺栓支承面的底部带有齿，当螺栓螺母旋紧时 ¾把齿刺压在被连揆的支承面 . 上这时防松垫圈就被固定在零件上， 螺栓上塾圈部分可以绕螺栓逆向旋转， 所以螺栓就只能旋紧而不能松开。：'  A third embodiment of the present invention, as shown in FIG. 11 to FIG. 13, includes a bolt. 31 and a washer 33 that is sleeved on the periphery of the screw 32 of the bolt, wherein: the front side of the washer has a buckle for supporting the connected member. The surface of the rear side of the washer 34 is provided with a positioning member 37 for holding the groove 36 provided on the outer peripheral wall of the nut 35 of the bolt. The bolt is a hexagon socket bolt, and the nut has a ratchet cross section. The positioning member is a pawl 37 that can cooperate with the ratchet to restrict the reverse rotation of the ratchet. The bottom of the bearing surface of the anti-loose bolt has teeth. When the bolt and nut are tightened, the tooth is pressed against the supporting surface of the flail. At this time, the anti-loose washer is fixed on the part, and the loop portion of the bolt can be wound around. The bolts rotate in the opposite direction, so the bolts can only be tightened and cannot be loosened. :'
使用时， 当螺栓向内旋转锁紧时， 首先把垫圈前侧的尖齿压入被连接件 的支承面上， 使垫圈紧固在被连接件上； 当螺栓继续向内旋转时， 由于垫圈 上的棘爪对螺母上的棘轮的限位作用， 螺栓只能向内旋紧， 不能向外旋转松 开， 从而确保螺栓紧固在被连接件上。 +  In use, when the bolt is rotated inwardly, the tip tooth on the front side of the washer is first pressed into the support surface of the connected member to fasten the washer to the connected member; when the bolt continues to rotate inward, due to the washer The upper pawl limits the ratchet on the nut. The bolt can only be tightened inward and cannot be rotated outward to ensure that the bolt is fastened to the connected piece. +
本发明构造简单，.使用方便， :防 效果好， 具有较大的推广应用价值。 The present invention is simple in structure, easy to use: Good anti-effect, with great application value.

Claims

权利要求书 Claim
1. 一种全自动防松螺栓组件， 包括螺栓和套置于螺栓的螺杆***的垫 圈， 其特征在于: 所述的垫圈前侧具有用以扣住被连接件支承面的尖齿， '垫 圈的后侧周部上设有用以扣住设于螺栓的螺母外周壁上的槽道内的定位件。 A fully automatic lock bolt assembly comprising a bolt and a washer disposed on a periphery of the screw of the bolt, wherein: the front side of the washer has a pointed tooth for holding the support surface of the connected member, A positioning member for holding the groove provided on the outer peripheral wall of the nut of the bolt is provided on the rear side peripheral portion.
2. 根据权利要求 1所述的全自动防松螺栓组件， 其特征在于： 所述的 定位件为分布于垫圈后侧径向周部上可向后弯折的弹性定位件。  2. The fully automatic lock bolt assembly according to claim 1, wherein: the positioning member is an elastic positioning member which is distributed on the radial peripheral portion of the rear side of the gasket and is bendable rearward.
3. 根据权利要求 1所述的全自动防松螺栓组件， 其特征在于： 所述的 螺栓为内六角螺栓，所述的定位件为设于垫圈后侧周部上并向后弯曲的弹性 定位件， 所述的螺母外侧端的外缘部上扣置有环形体， 该环形体周部上具有 用以对应嵌入设于螺母外周壁上的各个槽道内的凸条以使两者套合后螺母 外周壁形成完整的圆柱面。  3. The fully automatic lock bolt assembly according to claim 1, wherein: the bolt is a hexagon socket bolt, and the positioning member is elastically positioned on a peripheral portion of the rear side of the washer and bent backward. An annular body is fastened on an outer edge portion of the outer end of the nut, and a circumferential strip has a rib correspondingly embedded in each groove provided on the outer peripheral wall of the nut to fit the nut The peripheral wall forms a complete cylindrical surface.
4. 根据权利要求 1所述的全自动防松螺栓组件， 其特征在于： 所述的 螺栓为内六角螺栓 ^所述的螺母断面呈棘轮状， 所述的定位件为可与棘轮配 合用以限制棘轮逆向旋转的棘爪。 、 '  4. The fully automatic lock bolt assembly according to claim 1, wherein: the bolt is a hexagon socket bolt, and the nut has a ratchet shape, and the positioning member is configured to cooperate with a ratchet. A pawl that restricts the ratchet from rotating in the opposite direction. , '
PCT/CN2005/000008 2004-12-29 2005-01-04 One screw assembly for automatic locking parts WO2006069497A1 (en)

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CN 200410155586 CN1796806A (en) 2004-12-29 2004-12-29 Full automatic subassembly of lock bolt
CN2004101555865 2004-12-29

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CN114658741A (en) * 2022-03-28 2022-06-24 福建省晋江市励精汽配有限公司 Check bolt and check nut

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EP2239358A1 (en) * 2009-04-10 2010-10-13 Staubli Faverges Assembly device, set of two parts assembled by such a device and warp frame of a machine for forming the shed including such a set
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