CN1045329C - 型钢的固定螺母 - Google Patents

型钢的固定螺母 Download PDF

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CN1045329C
CN1045329C CN95116101A CN95116101A CN1045329C CN 1045329 C CN1045329 C CN 1045329C CN 95116101 A CN95116101 A CN 95116101A CN 95116101 A CN95116101 A CN 95116101A CN 1045329 C CN1045329 C CN 1045329C
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base
retainer
shaped steel
set screw
screw nut
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Expired - Lifetime
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CN95116101A
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CN1132321A (zh
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西格弗雷德·希夫勒
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Hilti AG
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Hilti AG
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    • 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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/045—Devices for fastening nuts to surfaces, e.g. sheets, plates specially adapted for fastening in channels, e.g. sliding bolts, channel nuts
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/955—Locked bolthead or nut
    • Y10S411/965—Locked bolthead or nut with retainer
    • Y10S411/97—Resilient retainer

Abstract

具有底座(1)以及与底座(1)连接的弹性止动件(6)的固定螺母，用于将构件(18)或管道固定于剖面为C形的型钢(15)上。止动件(6)具有沿直径彼此对置的制动片(13)，它们可绕转轴(12)转入型钢(15)的槽口(20)中，以阻止固定螺母的转动。制动片(13)上有突起(14)，它可便于用手工在型钢(15)内部旋转固定螺母。

Description

型钢的固定螺母
本发明涉及一种固定螺母，此种固定螺母有一个底座和一个与底座连接的弹性止动件，其中，底座有力的作用机构以及有纵向横向的长度。
由US-PS3493025已知一种上述类型的固定螺母，它用于将构件固定于横断面基本为C形的型钢上，此种型钢的两个弯边彼此平行，且伸向型钢的内侧。底座位于型钢的内部，在预装配状态可在型钢的内部沿轴向移动。与底座连接在一起的止动件位于型钢的外侧，并支靠在以型钢的两个弯边为界的槽口的口部。
底座具有非圆形的外轮廓，此时，其外轮廓的最小尺寸小于槽口垂直于型钢纵向测得的宽度。在底座上还设有中心通孔(孔中有其形式为内螺纹的承力机构和两个彼此平行延伸的齿啮合区，当将固定螺母放入型钢内并旋转90°到其预装配位置时，此齿啮合区与弯边的自由端共同工作。
止动件有一个在中央与底座处于轴向固定连接的第一区和有一个弹性的凸缘状第二区，此第二区支撑在型钢外表面的槽口所在范围上。止动件上有一个中心通孔，其直径基本上与底座的通孔直径或紧固螺钉杆的直径相同。此紧固螺钉穿过止动件的中心通孔，伸入底座的中心通孔中，用来将构件固定于型钢上。
这种已知固定螺母的缺点是：由于不易抓握固定螺母，所以，用手难于将固定螺母转动到在型钢上的预装配位置。另一个缺点是，在拧紧紧固螺钉的过程中，固定螺母也旋转，以致使固定螺母脱离预装配位置，使底座不再与型钢弯边的自由端紧靠。
本发明的目的在于：制造一种固定螺母，在将其置入型钢时，可易于用手旋转；在拧紧紧固螺钉时，固定螺母不随着转动；以及，这种螺母可经济地制造。
本发明采取的措施是：在止动件上设有沿直径彼此相对配置的制动片。制动片可绕平行于底座纵向长度延伸的转轴转动，制动片的宽底与底座的横向长度基本一致。
制动片设置在止动件上，并构成了一个增大止动件的抓握面积，它可使人们便于用手抓握，并因而易于使止动件与底座一起转动。当制动片弯入型钢的槽口内时，它便构成了一个防止固定螺母转动的保险装置。
当将一个构件放到型钢上时，为了能使制动片自动地转入型钢的槽口内，在制动片背向底座的一侧，最好有一个突起。这个突起从止动件背向底座的那个侧面向上伸出，形成了一个力的作用面，这个力作用面便于用手抓握，并因而可更方便地旋转固定螺母。
为了使制动片易于转动，最好在止动件的转轴区止动件具有较小的壁厚。为此，止动件面向底座那一侧，加工了一个沿转轴纵向的凹槽。
为了在将构件放到型钢上后，不会使止动件成为在构件与型钢之间的中间垫层，最好将止动件的壁厚沿底座的纵向朝自由端方向减薄。在这种情况下此壁厚一直缩小至零，此时，此减薄是在止动件上面向底座的那个侧面上进行的。此减薄例如可与槽口的口部协调一致，所以沿整个槽口止动件壁厚不变，从槽口起向外逐渐减薄。
根据附图，所表示的实施例对本发明作详述。附图为：
图1  按本发明具有止动件并与型钢组装在一起的固定螺母局部剖视；
图2  图1所示的型钢、止动件和底座的俯视图，局部剖视；
图3  沿图2III-III线通过具有止动件的底座和型钢的剖视图。
在图1至图3中，描述了一种具有底座1和底座1连接的弹性止动件6的固定螺母。底座1有一个非圆形的头部、一个具有内螺纹5的中心通孔和两个彼此平行延伸的齿啮合区域2。一个圆柱形凸肩3与通孔同轴。轴向有弹性的止动件6装在此凸肩3上。在底座1的圆柱形凸肩3上，沿径向突出的突台4，用于将止动件6轴向周及固定在底座1上。突台4可卡在止动件6的挡边11上。挡边11是内环8的一部份。内环8与环绕它的外环7位于同一个平面上。通过两个沿直径彼此对置的连接桥9将外环7与内环8弹性地连接在一起。突台4以及挡边11如连接桥9那样，彼此沿直径对置，但相对于连接桥9错开90°地设置着。
止动件6的外环7的壁厚W至少在沿直径彼此对置并朝向自由端的两侧上减薄。被减薄的部分10设计为将止动件6上面对基本件10的那个侧面，朝着远离底座1的那些侧边减薄到零。
在止动件6外环7上连接有两个彼此同样沿直径对置的制动片13。从每个制动片13上与底座1相对的那一侧伸出一个突起14，突起14可使人们更易于将底座1与轴向的有弹性的止动件6一起转动。一种表面的成型设计用于更好地抓握突起14。平行于底座1纵向的制动片13的宽度小于型钢N槽口20的宽度S。制动片13可绕平行于底座1纵向延伸的转轴12转动。为了能具有可回转性，止动件6在轴12的所在部位有一个半圆形的凹槽，凹槽设在外环7面朝底座1的那一边。
按本发明的固定螺母例如用于将构件18或管道固定于C形剖面的型钢15上，此型钢15有一个沿纵向延伸的槽口20。槽口20的宽度S由两个彼此平行并弯入型钢内的弯边16为边界。在弯边16的自由端上制有齿状型面17，此齿状型面与在底座上的齿啮合区2互补。
如果将宽度为B的底座1与止动件6一起，通过槽口20插入型钢15内并旋转90°，则如图1至图3所示，固定螺母处于预装配位置。从槽口20的倒圆的口部微微向上抬制动片13，所以当转动固定螺母时制动片13沿着型钢15的上表面滑动。在转动时，设在底座1上的、在齿啮合区2部份的导入斜面与型钢15的弯边16接触。通过导入斜面，底座1和内环8相对于止动件6的外环7沿轴向互相移开。由此，止动件6受到了一个预应力。如果固定螺母处于图1至图3所示的位置，则底座1的啮合区2与设在型钢N弯边16上的齿状型面17相啮合。与此同时，底座1沿着朝弯边16的相反方向轴向移动，并至少移动齿状型面的齿高的量。在这种情况下，止动件6轴向压紧。
止动件外环7以其变薄区贴靠在槽口20的口部，所以止动件6背向底座1的那一侧，不超过或只略微超过型钢N的上表面。
在将固定螺母预装在型钢N上后，可如图3虚线部份所示将构件18放在型钢15上，此时，止动件6的突起14的止挡面14a与构件18的底面接触。带有突起14的制动片13绕转轴12向内弯在型钢的槽口20中，直至止挡面14a与型钢15的上表面15a齐平。借助于制动片13可以做到，在特拧入底座1的内螺纹5内其形式上为紧固螺钉的固定件19旋紧时，固定螺母不再会旋转。

Claims (4)

1.一种具有底座(1)和与底座相连接的弹性止动件(6)的固定螺母，其中，底座(1)有力的作用机构以及有纵向和横向的长度，其特征在于，止动件(6)有沿直径彼此对置的制动片(13)，制动片(13)可绕平行于底座(1)纵向长度延伸的转轴(12)转动，制动片(13)的宽度与底座(1)的横向长度(B)基本上一致。
2.按照权利要求1所述之固定螺母，其特征在于，制动片(13)背向底座(1)的那个面上有一个突起(14)。
3.按照权利要求1所述之固定螺母，其特征在于，止动件(6)在转轴(12)的所在区域内有较薄的壁厚(W)。
4.按照权利要求1至3之一所述之固定螺母，其特征在于，止动件(6)的壁厚(W)沿底座(1)的纵向，朝自由端方向减薄。
CN95116101A 1994-09-16 1995-09-14 型钢的固定螺母 Expired - Lifetime CN1045329C (zh)

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DE4432996A DE4432996A1 (de) 1994-09-16 1994-09-16 Befestigungsmutter für Profilschienen
DEP4432996.2 1994-09-16

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CN1132321A CN1132321A (zh) 1996-10-02
CN1045329C true CN1045329C (zh) 1999-09-29

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EP (1) EP0702160B1 (zh)
JP (1) JP3725213B2 (zh)
CN (1) CN1045329C (zh)
AT (1) ATE161927T1 (zh)
CA (1) CA2157816C (zh)
DE (2) DE4432996A1 (zh)
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EP0702160A2 (de) 1996-03-20
CA2157816C (en) 2001-05-29
JP3725213B2 (ja) 2005-12-07
CN1132321A (zh) 1996-10-02
DE59501208D1 (de) 1998-02-12
JPH08100811A (ja) 1996-04-16
US5628598A (en) 1997-05-13
EP0702160A3 (de) 1996-06-05
EP0702160B1 (de) 1998-01-07
ES2111383T3 (es) 1998-03-01
CA2157816A1 (en) 1996-03-17
DE4432996A1 (de) 1996-03-21

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