CN103851056A - Penetrated screw nut - Google Patents

Penetrated screw nut Download PDF

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Publication number
CN103851056A
CN103851056A CN 201210521165 CN201210521165A CN103851056A CN 103851056 A CN103851056 A CN 103851056A CN 201210521165 CN201210521165 CN 201210521165 CN 201210521165 A CN201210521165 A CN 201210521165A CN 103851056 A CN103851056 A CN 103851056A
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CN
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Prior art keywords
peripheral
bulge
annular
nut
screw
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CN 201210521165
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Chinese (zh)
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藤本孝典
森岛健一
伊神英典
浅仓崇
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株式会社青山制作所
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Abstract

The invention provides a penetrated screw nut, which comprises an outer peripheral annular bulge (2), an inner peripheral annular bulge (3) and a riveting groove (4), wherein the outer peripheral annular bulge (2) is convexly arranged on the outer periphery of the lower surface of a screw nut main body (1), the inner peripheral annular bulge (2) is convexly arranged in the center of the lower surface of the screw nut main body (1), and the riveting groove is formed between the outer peripheral annular bulge (2) and the inner peripheral annular bulge (3). A plurality of oil discharging transverse grooves (11) with the depth being 0.3 to 1.0mm are formed in the top end surface of the outer peripheral annular bulge (2), so the pressurized oil inside the riveting groove (4) is outwards discharged, and the riveting intensity is improved. When the penetrated screw nut provided by the invention is adopted, the excellent riveting intensity can be obtained even when the penetrated screw nut is arranged on a metal plate with a great amount of oil attached onto the surface.

Description

穿透型螺母 Penetrate nuts

技术领域 FIELD

[0001] 本发明涉及一种安装在附有油的金属板上时也能获得优异的铆接强度的穿透型螺母。 [0001] The present invention relates to a mounting can be obtained having excellent strength to penetrate the caulking nut with a metal plate when oil.

背景技术 Background technique

[0002] 穿透型螺母是一种能利用冲头打入到放置在冲模上的金属板、同时进行开孔和铆接的螺母。 [0002] capable of penetrating a nut with the punch into the metal plate is placed on the die, and simultaneously caulking the opening of the nut. 其一例子如专利文献I所示。 One example of Patent Document I below. 穿透型螺母如图1所示,具有:突出设置在螺母主体I的下表面外周上的外周环状突起2 ;突出设置在螺母主体I的下表面中央的内周环状突起3 ;以及形成在该外周环状突起2与内周环状突起3之间的铆接槽4。 Penetration nut shown in Figure 1, having: an outer periphery of an annular projection provided on the outer peripheral surface of the nut main body lower protrusion I is 2; the inner periphery of the annular projection provided on the lower surface of the central nut body of the projection of I 3; and forming in the outer periphery of the annular projection 2 and the inner periphery of the annular projection 34 between the caulking groove.

[0003] 当将穿透型螺母打入到放置在冲模5上的金属板6时,由内周环状突起3进行开孔,同时孔的周缘部的金属塑性流动到铆接槽4的内部。 [0003] When the nut penetrates into the 6:00 to the die 5 is placed on the metal plate, the inner periphery of the annular projection from the aperture 3, while the metal flow of the peripheral edge portion of the aperture into the interior 4 of the caulking groove. 由于外周环状突起2的内周面成为顶端侧(下端侧)缩径后的倾斜面,因此穿透型螺母利用流入到铆接槽内部的金属而被铆接固定在金属板6上。 Since the outer circumference of the inner circumferential surface of the annular projection 2 of the inclined surface the reduced diameter distal end side (lower end side), and therefore the use of nuts penetrating inside the metal flows into the caulking groove is caulked and fixed to the metal plate 6.

[0004] 但是,如图2所示,当在金属板6的表面上附着有大量油时,且将穿透型螺母打入金属板6时,油被高压封入在铆接槽4的内部,孔的周缘部的金属就无法流入铆接槽4的内部。 [0004] However, as shown in FIG. 2, when the surface of the metal plate 6 has a large amount of oil adheres, and the nut is penetrated into the metal plate 6, a high pressure oil is enclosed in the interior of the caulking groove 4, bore the peripheral portion of the metal can not flow into the caulking groove 4. 其结果,存在着不能获得充分的铆接强度的问题。 As a result, there is a problem can not be sufficient riveting intensity.

[0005] 穿透型螺母的铆接强度,一般由扭紧力和空转扭矩来评价。 [0005] The penetration strength of the caulking nut is generally evaluated by the tightening force and the idling torque. 扭紧力是指使所铆接的穿透型螺母从金属板上分离所需的力,空转扭矩是指所铆接的穿透型螺母相对于金属板开始空转的扭矩。 Refers to the tightening force of the caulking nut is penetrated from the metal plate the force required to separate, idle torque means penetrating the caulking nut with respect to the metal plate starts idling torque. 当金属板的表面附着有大量油时,表现出这样的倾向:扭紧力相比于干燥状态而下降至大约30%,空转扭矩也下降至大约40%。 When the surface of the metal plate with a large amount of oil adheres, exhibits this tendency: tightening force compared to the dry state is lowered to about 30%, the idling torque is decreased to about 40%.

[0006] 专利文献1:日本特公平2 - 25049号公报 [0006] Patent Document 1: Japanese Patent Fair 2 - Application Publication No. 25049

发明内容 SUMMARY

[0007] 因此,本发明的目的在于解决上述的以往的问题,其提供一种穿透型螺母,该穿透型螺母即使是安装在表面附有大量油的金属板上时也能获得优异的铆接强度。 [0007] Accordingly, an object of the present invention is to solve the conventional problems described above, there is provided a transmission type nut, the nut penetrates even mounted on the metal plate surface with a large amount of oil can be obtained an excellent riveting intensity.

[0008] 用于解决课题的手段 [0008] Means for Solving the Problem

[0009] 为了解决上述问题而做的本发明,其提供一种穿透型螺母,该穿透型螺母具有:突出设置在螺母主体的下表面外周上的外周环状突起;突出设置在螺母主体的下表面中央的内周环状突起;以及形成在这些外周环状突起与内周环状突起之间的铆接槽,该穿透型螺母的特点是,在外周环状突起的顶端面,形成有多个深度为0.3〜1.0mm的排油用的横槽。 [0009] The present invention is made to solve the above problems, and it provides a transmission type nut, the nut having penetrated: an outer periphery of an annular projection provided on the outer peripheral surface of the nut main body lower protrusion; nut body projecting the inner circumferential surface of the lower annular projection center; and caulking are formed between the outer circumferential groove and the inner periphery of the annular projection of the annular projection, the characteristics of the nut is penetrated, the distal end surface of the outer periphery of the annular projection is formed a plurality of oil drain depth 0.3~1.0mm with lateral grooves.

[0010] 另外,内周环状突起也可形成多个排油用的纵槽。 [0010] Further, the inner periphery of the annular protrusion may be formed with a plurality of longitudinal grooves drain. 另外,可将外周环状突起的外周面及内周面做成倾斜面。 Further, the outer circumferential surface of the outer periphery of the annular projection and the inner circumferential surface of the inclined surface can be made. 此外,优选做成在外周环状突起的内周的倾斜面形成有止转用的锯齿(日文>一'>3 >)的构造。 Further, it is preferable to make the outer circumference of the inner circumferential inclined surface of the annular projection is formed with a serration stopping rotation (Japanese> a '> 3>) configuration.

[0011] 发明效果: [0011] Effect of the Invention:

[0012] 由于本发明的穿透型螺母是在外周环状突起的顶端面形成有多个深度为0.3〜 [0012] Since the transmission type according to the present invention is the nut to the top face of the outer periphery of the annular projection is formed with a plurality of depth 0.3~

1.0mm的排油用的横槽的构造,因此,即使是打入到表面附有大量油的金属板,也能将油从铆接槽的内部排出,而不会将油高压封入在铆接槽的内部而妨碍金属的流入。 1.0mm oil discharge structure with lateral grooves, so even with the surface of the metal plate into a large amount of oil, the oil can be discharged from the interior of the caulking groove, high pressure oil will not enclosed in the caulking groove internal hinder the inflow of metal. 由于这种油的排出必须在非常短的时间内进行,因此,排油用的横槽必须形成有多个。 Since this oil must be discharged within a very short time, therefore, the drain with a plurality of lateral grooves to be formed. 但是,横槽的个数增多时,外周环状突起的强度就下降,因此,横槽的个数优选为2〜8个。 However, the increased number of lateral grooves, the outer periphery of the annular projection on the strength decreased, and therefore, the number of lateral grooves is preferably 2~8 months.

[0013] 另外,在本发明中,通过将排油用的横槽的深度做成0.3〜1.0mm,则可防止外周环状突起的强度下降,并能在短时间内可靠地将油排出。 [0013] Further, in the present invention, the depth of the oil discharge grooves made transverse 0.3~1.0mm, the outer periphery of the annular projection can be prevented from reduction in strength, and the oil can be reliably discharged in a short time.

[0014]另外,若在外周环状突起的内周的倾斜面上形成有止转用的锯齿,则流入铆接槽内部的金属能与这些锯齿牢固地卡合,获得优异的止转效果。 [0014] Further, when the inner periphery of the periphery of the inclined surface of the annular projection is formed with a serrated outer stopping rotation of the metal flowing into the inside of the caulking groove can be firmly engaged with the serration, to obtain excellent rotation locking effect.

附图说明 BRIEF DESCRIPTION

[0015] 图1是以往的穿透型螺母的截面图。 [0015] FIG. 1 is a sectional view of a conventional transmission type nut.

[0016] 图2是表示以往的穿透型螺母安装在附有油的金属板上后状态的截面图。 [0016] FIG. 2 shows a conventional nut mounted penetrating a sectional view of a metal plate with an oil state.

[0017] 图3是表不本发明第一实施方式的立体图。 [0017] Table 3 is a perspective view of a first embodiment of the present invention is not.

[0018] 图4是表示本发明第一实施方式的局部剖切立体图。 [0018] FIG. 4 is a partially cutaway perspective view showing a first embodiment of the present invention.

[0019] 图5是表不本发明第一实施方式的仰视图。 [0019] FIG. 5 is a table of the present invention is not a bottom view of the first embodiment.

[0020] 图6是表示本发明的穿透型螺母安装在附有油的金属板上后状态的截面图。 [0020] FIG. 6 is a diagram of the present invention to penetrate nut mounted on a cross-sectional view of a metal plate with an oil state.

[0021] 图7是表示本发明第二实施方式的立体图。 [0021] FIG. 7 is a perspective view of a second embodiment of the present invention.

[0022] 符号说明: [0022] Description of Symbols:

[0023] I螺母主体 [0023] I nut body

[0024] 2外周环状突起 [0024] The outer periphery of the annular projection 2

[0025] 3内周环状突起 [0025] 3 the inner periphery of the annular projection

[0026] 4铆接槽 [0026] caulking groove 4

[0027] 5 冲模 [0027] 5 die

[0028] 6金属板 [0028] The metal plate 6

[0029] 7内螺纹 [0029] The internal thread 7

[0030] 8外周环状突起的内周面 [0030] The outer periphery of the inner peripheral surface of the annular projection 8

[0031] 9内周环状突起的外周面 Inner [0031] circumferential surface of the outer periphery 9 of the annular projection

[0032] 10外周环状突起的外周面 [0032] 10 outer circumferential surface of the outer periphery of the annular projection

[0033] 11 横槽 [0033] 11 lateral grooves

[0034] 12 锯齿 [0034] serrations 12

[0035] 13 纵槽 [0035] The longitudinal grooves 13

具体实施方式 detailed description

[0036] 下面,说明本发明的较佳的实施方式。 [0036] Next, preferred embodiments of the present invention.

[0037] 图3、图4是表示本发明的第一实施方式的立体图。 [0037] FIG. 3, FIG. 4 is a perspective view of a first embodiment of the present invention. 本发明的穿透型螺母也与以往的穿透型螺母相同,具有:突出设置在螺母主体I的下表面外周上的外周环状突起2 ;突出设置在螺母主体I的下表面中央的内周环状突起3 ;以及形成在该外周环状突起2与内周环状突起3之间的铆接槽4。 Nuts penetrating the present invention are also conventional transmission type nut same, comprising: an outer periphery of an annular projection provided on the outer peripheral surface of the nut main body lower protrusion I is 2; the inner circumferential surface of the protrusion is provided at the center of the nut body I annular projection 3; and forming a projection 2 and the inner periphery of the annular projection between the caulking groove 34 in the peripheral annular. 内周环状突起3相比于外周环状突起2向下侧突出地较大。 The inner periphery of the annular projection 3 as compared to the outer periphery of the annular protrusion 2 projecting downward larger. 另外,内周环状突起3的内表面形成有内螺纹7,其用于用螺栓来紧固其它部件,这是不言而喻的。 Further, the inner circumferential surface of the inner annular projection 3 is formed with an internal thread 7 for the other members fastened with a bolt, which is self-evident. [0038] 外周环状突起2的内周面8是顶端侧(下端侧)缩径了的倾斜面,与其相对的内周环状突起3的外周面9是圆筒面。 [0038] The outer periphery of the inner circumferential surface of the annular projection 8 is a top side 2 (lower side) of the reduced diameter of the inclined surface, the inner periphery of its opposing outer circumferential surface of the annular projection 9 is cylindrical surface 3. 因此,形成在外周环状突起2与内周环状突起3之间的铆接槽4的截面是顶端侧狭窄、里侧宽大的形状。 Thus, the outer peripheral annular cross-section forming the caulking groove 3 between the protrusions 4 and the inner periphery of the annular projection 2 is a top narrow side, the back side of the wide shape. 另外,在本实施方式中,外周环状突起2的外周面10也是倾斜面。 Further, in the present embodiment, the outer periphery of the annular projection 10 of the outer peripheral surface is an inclined surface.

[0039] 在该外周环状突起2的顶端面形成有多个排油用的横槽11。 [0039] The top of the projection surface 2 with a plurality of oil discharge grooves 11 formed in the lateral periphery of the outer ring. 在本实施方式中,横槽11的数目是四个,且以90°间隔配置。 In the present embodiment, the number of lateral grooves 11 is four, and at 90 ° intervals. 如前所述,横槽11的个数优选是2〜8个。 As described above, the number of transverse grooves 11 is preferably a 2~8.

[0040] 在本实施方式中,横槽11是截面为V字状的槽,该横槽11的深度是0.3〜1.0mm。 [0040] In the present embodiment, the cross-section of the groove 11 is V-shaped groove depth of the lateral groove 11 is 0.3~1.0mm. 深度若浅于0.3mm,则油的排出效果不充分,相反,深度若深于1.0mm,则不仅外周环状突起2的强度下降,而且制造成本增大。 If the depth is shallower than 0.3mm, the oil discharging effect is insufficient, on the contrary, if the depth deeper than 1.0mm, not only the strength of the outer periphery of the annular projection 2 decreases, and the manufacturing cost is increased. 该横槽11是通过对外周环状突起2的顶端面进行冲压而形成的,故槽形状优选是V字状,但即使是U字状或狭缝状的槽也无妨。 The transverse grooves 11 are formed by pressing the projections of the distal end surface 2 by the peripheral annular groove so that the shape is preferably V-shaped, but even U-shaped or slit-like groove it anyway.

[0041] 在本实施方式中,在外周环状突起2的内周面8即倾斜面上形成有止转用的锯齿12。 [0041] In the present embodiment, the outer periphery of the annular projection 8 of the inner peripheral surface that is inclined surface 12 is formed with a serration stopping rotation. 本实施方式的锯齿12是截面为V字状的突条,但锯齿12的形状不受特别限定。 The present embodiment 12 is a sectional serrated V-shaped ridges, the shape of serrations 12 is not particularly limited.

[0042] 这样构成的本发明的穿透型螺母与以往技术相同,是一种利用冲头而打入到放置在冲模5上的金属板6的穿透型螺母,然而,在金属板6的表面附着有大量油的情况下,在铆接槽4的内部被加压后的油会如图6所示的那样从形成于外周环状突起2的顶端面的横槽11向外部喷出。 [0042] The penetration-Nuts present invention thus constructed the same as the conventional technique, is a use of punches to penetrate into the nut 5 placed on the die of the metal plate 6, however, the metal plate 6 large amount of oil adhered to the lower surface of the case, inside the tank 4 is caulked after pressing the oil 11 discharged to the outside will be shown in FIG. 6 as the protrusion formed on the outer periphery of the annular top surface 2 of the lateral grooves. 因此,不会如图2所示那样将油高压地封入在铆接槽4的内部。 Thus, not shown in Figure 2. As will be enclosed within the high pressure oil grooves 4 of the caulking. 所以,本发明的穿透型螺母即使安装在表面附有大量油的金属板6上时,也会如图6所示使金属充分流入铆接槽4的整个内部,铆接强度的下降极其微小。 Therefore, the present invention penetrated the nut mounted on the surface even with a large number of oil metal plate 6, as shown in Figure 6 will flow into the caulking groove of the metal sufficiently decrease the entire interior, the caulking strength of 4 is extremely small.

[0043] 而且如本实施方式所示,若在外周环状突起2的内周面8形成有止转用的锯齿12,则在铆接槽的内部,金属能与锯齿12牢固地卡合,能获得更优异的止转效果。 [0043] Further as shown in this embodiment, when the outer periphery of the annular projection 8 of the inner peripheral surface formed with serrations detent 12, the inside of the caulking groove, the metal can 12 is firmly engaged with serrations, can more excellent rotation locking effect. 因此,本实施方式的穿透型螺母(形成有四个深度为0.5mm的横槽11),即使安装在表面附有大量油的金属板6上时,扭紧力相比于干燥状态而只下降至大约80%、空转扭矩只下降至大约90%,与扭紧力下降至30%、空转扭矩下降至40%的无横槽的以往的产品相比,本实施方式的穿透型螺母具有强度大幅度提高的效果,这一点得到了确认。 Thus, the present embodiment is a transmission type embodiment the nut (formed with four lateral groove depth of 0.5mm 11), even when mounted on the surface of the metal plate 6 with a large number of oil, compared to the tightening force only in the dry state down to about 80%, idling torque down to only about 90%, and the tightening is decreased to 30%, compared to 40% of the idling torque down without lateral grooves of the conventional product, nuts penetrating embodiment according to the present embodiment has substantial increase in the strength of the effect, it was confirmed.

[0044] 在上面说明的第一实施方式中,只在外周环状突起2的顶端面形成有排油用的横槽11,而如图7所示的第二实施方式那样,还可在内周环状突起3的外周面9形成有多个排油用的纵槽13。 [0044] In the first embodiment described above, only the outer peripheral surface of the annular projection 2 has a tip with a lateral drain groove 11 is formed, the second embodiment mode, as shown in Figure 7, further including 9 formed on the peripheral surface of the outer periphery of the annular projection 3 has a plurality of oil discharge grooves 13 vertical. 这样一来,若在内周环状突起3的外周面9也形成有纵槽13,则在铆接槽4的内部被加压后的油也会从这些纵槽13被排出,能获得更优异的效果。 Thus, when the inner circumferential surface of the outer periphery of the annular projection 9 is also formed an oil 3 with a longitudinal groove 13, inside the pressurized tank 4 after swaging also can be obtained from the longitudinal groove 13 are discharged more excellent Effect. 但是,由于横槽11所带来的排油效果大,故取消横槽11而只设置纵槽13的情况并非优选。 However, due to the large lateral grooves 11 brings the oil discharge effect, it is canceled and only the lateral grooves 11 is provided a longitudinal groove 13 of the case is not preferable.

[0045] 如上所述,本发明的穿透型螺母具有即使安装在附着有油的金属板6上时也能获得优异的铆接强度的优点。 [0045] As described above, the present invention penetrated the nut can be obtained even if the installation has an excellent advantage in attaching the caulking strength of the metal plate 6 on the oil. 因此,不必事先从金属板6表面将油抹去,能提高操作性。 Thus, from the surface of the metal plate without prior oil erase 6, the operability can be improved.

Claims (4)

  1. 1.一种穿透型螺母,具有:突出设置在螺母主体的下表面外周上的外周环状突起;突出设置在螺母主体的下表面中央的内周环状突起;以及形成在该外周环状突起与内周环状突起之间的铆接槽,该穿透型螺母的特征在于, 所述外周环状突起的顶端面形成有多个深度为0.3〜1.0mm的排油用的横槽。 A penetration nut, comprising: an outer periphery of an annular projection provided on the outer peripheral surface of the nut main body lower protrusion; protruding projection disposed within the annular lower circumferential surface of the central nut body; and forming the outer periphery of the annular swaging the annular projection and the inner circumferential groove between the projections, characterized in that the nut is penetrated, the outer periphery of the distal end surface of the annular projection is formed with a plurality of oil drain depth 0.3~1.0mm with lateral grooves.
  2. 2.如权利要求1所述的穿透型螺母,其特征在于,所述内周环状突起形成有多个排油用的纵槽。 2. penetrated nut according to claim 1, characterized in that the inner periphery of the annular projection is formed with a plurality of longitudinal grooves discharge of oil.
  3. 3.如权利要求1所述的穿透型螺母,其特征在于,所述外周环状突起的外周面及内周面为倾斜面。 Nut according to a transmission type as claimed in claim 1, wherein an outer periphery of said annular projection and the outer circumferential surface of the inner peripheral surface is an inclined surface.
  4. 4.如权利要求3所述的穿透型螺母,其特征在于,所述外周环状突起的内周的倾斜面形成有止转用的锯齿。 4. penetrated nut according to claim 3, characterized in that the outer periphery of the inner peripheral inclined surface of the annular projection is formed with a serration stopping rotation.
CN 201210521165 2012-12-06 2012-12-06 Penetrated screw nut CN103851056A (en)

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CN 201210521165 CN103851056A (en) 2012-12-06 2012-12-06 Penetrated screw nut
KR20130042093A KR20140073388A (en) 2012-12-06 2013-04-17 Pierce nut

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105805137A (en) * 2016-05-31 2016-07-27 常州市耐斯工控工程有限公司 Water filter type nut

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05202917A (en) * 1992-01-28 1993-08-10 Aoyama Seisakusho:Kk Pierce nut
JP2001304226A (en) * 2000-04-20 2001-10-31 Honda Motor Co Ltd Pierced nut
EP1194699B1 (en) * 2000-05-19 2004-09-22 Aoyama Seisakusho Co., Ltd. Pierce nut
CN1657795A (en) * 2004-02-16 2005-08-24 有限会社新城制作所 Self-piercing nut

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05202917A (en) * 1992-01-28 1993-08-10 Aoyama Seisakusho:Kk Pierce nut
JP2001304226A (en) * 2000-04-20 2001-10-31 Honda Motor Co Ltd Pierced nut
EP1194699B1 (en) * 2000-05-19 2004-09-22 Aoyama Seisakusho Co., Ltd. Pierce nut
CN1657795A (en) * 2004-02-16 2005-08-24 有限会社新城制作所 Self-piercing nut

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105805137A (en) * 2016-05-31 2016-07-27 常州市耐斯工控工程有限公司 Water filter type nut

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