JP3213541U - Nut with nylon washer - Google Patents

Nut with nylon washer Download PDF

Info

Publication number
JP3213541U
JP3213541U JP2017004200U JP2017004200U JP3213541U JP 3213541 U JP3213541 U JP 3213541U JP 2017004200 U JP2017004200 U JP 2017004200U JP 2017004200 U JP2017004200 U JP 2017004200U JP 3213541 U JP3213541 U JP 3213541U
Authority
JP
Japan
Prior art keywords
nut
screw hole
nylon washer
washer
annular locking
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
JP2017004200U
Other languages
Japanese (ja)
Inventor
芳昭 奥野
芳昭 奥野
克典 竹原
克典 竹原
Original Assignee
大阪フォーミング株式会社
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 大阪フォーミング株式会社 filed Critical 大阪フォーミング株式会社
Priority to JP2017004200U priority Critical patent/JP3213541U/en
Application granted granted Critical
Publication of JP3213541U publication Critical patent/JP3213541U/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Bolts, Nuts, And Washers (AREA)

Abstract

【課題】ナイロン座金をナットと一体化して組み付けを容易にし、かつ、金属同士の接触をなくして電食発生や座面の傷付き、振動時に発生する締結部の金属同士の接触による異音の発生を防止する。【解決手段】中心部に軸方向に貫通するねじ孔11が形成されたナット1の底面におけるねじ孔11周りに、ねじ孔11より大径で下方に突出する環状係止部12を設ける一方、この環状係止部12の外周に貫通孔21を有する平板状のナイロン座金2を挿通し、かつ、環状係止部12における先端部の半径方向外方へのカシメによりナット1の底面にナイロン座金2を回転可能にカシメ止めした。【選択図】図1An object of the present invention is to make it easy to assemble a nylon washer with a nut, and to eliminate the contact between metals and eliminate the occurrence of electric corrosion, scratching of the seating surface, abnormal noise due to contact between metals of a fastening part generated during vibration Prevent occurrence. An annular locking portion 12 having a larger diameter than the screw hole 11 and projecting downward is provided around the screw hole 11 on the bottom surface of the nut 1 in which the screw hole 11 penetrating in the axial direction is formed in the center portion. A plate-like nylon washer 2 having a through-hole 21 is inserted into the outer periphery of the annular locking portion 12, and the nylon washer is attached to the bottom surface of the nut 1 by caulking the tip end portion of the annular locking portion 12 radially outward. 2 was fixed so that it could rotate. [Selection] Figure 1

Description

本考案は、固定ボルトなどに用いられる座金付ナットに関するものである。  The present invention relates to a nut with a washer used for a fixing bolt or the like.

一般に、座金付ナットとしては、中心部に軸方向に貫通するねじ孔が形成されたナットにおける底面のねじ孔周りに、環状係止部が突設され、その環状係止部に、ねじ孔より大径の貫通孔を有する平板状金属板からなる座金が挿入されかつカシメ止めされた構成のものが知られている。  In general, as a nut with a washer, an annular locking portion is provided around a screw hole on the bottom surface of a nut in which a screw hole penetrating in the axial direction is formed in the center portion. A structure in which a washer made of a flat metal plate having a large-diameter through hole is inserted and crimped is known.

そして、ナットの底面に設けられた上記座金により、被固定部材との当接面を増加し、ナットと被固定部材との座面の安定化を図ると共にナットの回転防止なども図るようにしている。  Then, the above-mentioned washer provided on the bottom surface of the nut increases the contact surface with the fixed member so as to stabilize the seat surface between the nut and the fixed member and prevent rotation of the nut. Yes.

しかし、上記した従来の平板状金属板からなる座金によれば、例えば座金付ナットを金属製の被固定部材に締付けて用いたとき、金属同士の接触となるので電食が発生したり、金属製座金が被固定部材の座面を傷付けたりする問題があり、しかも、最大の問題として、振動時に発生する締結部の金属同士の接触による異音が発生するおそれがあった。その上、ゆるみ止め効果についても発揮されにくいといった問題を有していた。  However, according to the above-described conventional washer made of a flat metal plate, for example, when a nut with a washer is fastened to a fixed member made of metal, the metal is brought into contact with each other, so that electric corrosion occurs or metal There is a problem that the washer may damage the seating surface of the member to be fixed, and as the biggest problem, there is a possibility that an abnormal noise due to contact between the metals of the fastening portion generated during vibration may occur. In addition, there is a problem that the anti-loosening effect is hardly exhibited.

そこで、本考案は、ナイロン座金をナットと一体化して組み付け作業を容易にし、しかも、金属同士の接触をなくして電食発生や座面の傷付き、特に振動時に発生する締結部の金属同士の接触による異音の発生を防止できるナイロン座金付ナットの提供を課題とする。  Therefore, the present invention integrates the nylon washer with the nut to facilitate the assembly work, and also eliminates the contact between the metals to cause galvanic corrosion and scratches on the seating surface, especially between the metals of the fastening part that occurs during vibration. An object of the present invention is to provide a nut with a nylon washer that can prevent generation of abnormal noise due to contact.

本願の請求項1記載の考案は、中心部に軸方向に貫通するねじ孔が形成されたナットの底面におけるねじ孔周りに、ねじ孔より大径で下方に突出する環状係止部が設けられている一方、この環状係止部の外周に貫通孔を有する平板状のナイロン座金が挿通され、かつ、環状係止部における先端部の半径方向外方へのカシメによりナットの底面にナイロン座金が回転可能にカシメ止めされていることを特徴とする。  The device according to claim 1 of the present application is provided with an annular locking portion that protrudes downward with a larger diameter than the screw hole around the screw hole in the bottom surface of the nut in which a screw hole penetrating in the axial direction is formed in the central portion. On the other hand, a flat nylon washer having a through-hole is inserted in the outer periphery of the annular locking portion, and the nylon washer is attached to the bottom surface of the nut by caulking radially outward of the tip end portion of the annular locking portion. It is characterized by being swaged so as to be rotatable.

本願の請求項2記載の考案は、請求項1の構成においてナットが、中心部に軸方向に貫通するねじ孔が形成されたナット本体とナット本体の下部に一体に連設されるフランジ部とからなり、フランジ部の底面におけるねじ孔周りに、ねじ孔より大径で下方に突出する環状係止部が設けられている一方、この環状係止部の外周に貫通孔を有する平板状のナイロン座金が挿通され、かつ、環状係止部における先端部の半径方向外方へのカシメによりフランジ部の底面にナイロン座金が回転可能にカシメ止めされていることを特徴とする。  The invention according to claim 2 of the present application is characterized in that, in the configuration of claim 1, the nut includes a nut body in which a screw hole penetrating in the axial direction is formed in the central portion, and a flange portion integrally connected to a lower portion of the nut body. A plate-like nylon having a through-hole on the outer periphery of the annular locking portion is provided around the screw hole in the bottom surface of the flange portion, and provided with an annular locking portion having a larger diameter than the screw hole and projecting downward. The washer is inserted, and the nylon washer is rotatably crimped to the bottom surface of the flange portion by caulking the tip end portion of the annular locking portion radially outward.

本願の請求項3記載の考案は、請求項1又は請求項2記載の構成において、ナット又はナット本体の上部に、内周面にねじ孔の内径とほぼ同径の円弧状で半径方向内方に突出する複数の凸状係合部とねじ孔の谷径よりも大径の円弧状で複数の凹状係合部とを交互に有する平板状のゆるみ止め弾性ワッシャーがカシメ固定されていることを特徴とする。  The invention according to claim 3 of the present application is the configuration according to claim 1 or claim 2, wherein the nut or the nut body has an arcuate shape in an arc shape having an inner diameter substantially equal to the inner diameter of the screw hole. A flat plate-like anti-loosening elastic washer that has a plurality of convex engaging portions protruding in a circle and a plurality of concave engaging portions alternately in an arc shape having a diameter larger than the valley diameter of the screw hole. Features.

本願の請求項4記載の考案は、請求項1記載の構成において、ナットの上面から上方に一体に延びかつ中心部にナットのねじ孔に連続するねじ孔を有する円筒状ボスが連設され、円筒状ボスはその肉厚がナットの肉厚よりも薄く形成されていると共に、円筒状ボスの先端に、ねじ孔の2ピッチ分外周から内方に変形させると同時にそのねじ孔径及びねじ孔ピッチを変形させてなる圧縮変形部が形成されていることを特徴とする。  The invention according to claim 4 of the present application is the configuration according to claim 1, wherein a cylindrical boss having a screw hole extending integrally from the upper surface of the nut and continuously extending to the screw hole of the nut is continuously provided at the center. The thickness of the cylindrical boss is thinner than the thickness of the nut, and the tip of the cylindrical boss is deformed inwardly from the outer periphery by two pitches of the screw hole, and at the same time the screw hole diameter and screw hole pitch. A compression deformation part formed by deforming is formed.

本考案の請求項1記載のナイロン座金付ナットによれば、ナットの底面にナイロン座金が一体的に取り付けられているから、ナイロン座金付ナットの被固定部材への組み付け作業が容易にできるし、しかも、ナイロン座金を採用することにより、ナイロン座金付ナットを被固定部材に組み付けた際に、金属同士の接触をなくして電食発生や座面の傷付きを防止でき、かつ、最大の問題となる振動時に発生する締結部の金属同士の接触による異音の発生を防止できる。その上、ナイロン座金のもつ特性により座金が本来必要とする座面の安定化やゆるみ止め効果も発揮できる。  According to the nut with a nylon washer according to claim 1 of the present invention, since the nylon washer is integrally attached to the bottom surface of the nut, it is possible to easily assemble the nut with the nylon washer to the fixed member, In addition, by adopting a nylon washer, when a nut with a nylon washer is assembled to a fixed member, contact between metals can be eliminated to prevent the occurrence of electrolytic corrosion and scratches on the seat surface. It is possible to prevent the generation of abnormal noise due to the contact between the metals of the fastening portion that occurs at the time of vibration. In addition, the characteristics of the nylon washer can provide the effect of stabilizing the seating surface and preventing loosening that the washer originally requires.

本考案の請求項2記載のナイロン座金付ナットによれば、ナット本体とフランジ部とを一体に備えたナットのフランジ部の底面にナイロン座金が一体的に取り付けられているから、上述した請求項1記載の作用効果と同様の作用効果が得られると共に、フランジ部を設けることにより積極的に圧接面積を拡大できるので、全体としてより一層座面の安定化やゆるみ止め効果、さらには振動時に発生する締結部の金属同士の接触による異音発生の防止効果を高めることができる。  According to the nut with a nylon washer according to claim 2 of the present invention, the nylon washer is integrally attached to the bottom surface of the flange portion of the nut integrally provided with the nut body and the flange portion. The effect similar to the effect described in 1 can be obtained, and since the press contact area can be actively expanded by providing the flange portion, the overall stability of the seat surface and the effect of preventing the loosening are further increased. The effect of preventing the generation of abnormal noise due to the contact between the metals of the fastening portions to be performed can be enhanced.

本考案の請求項3記載のナイロン座金付ナットによれば、ナット又はナット本体下部のフランジ部にナイロン座金が一体的に取り付けられているので、上述した請求項1又は2記載の作用効果と同様の作用効果が得られる一方、ナット又はナット本体の上部にゆるみ止め弾性ワッシャーを設けているから、ナットへのボルトの螺合時、ゆるみ止め弾性ワッシャーによりボルトのねじ山に圧力をかけて摩擦トルクを増大させることができる。その結果、ナットとボルトのゆるみ止め作用をより確実かつ効果的に発揮させることが可能となり、また、この弾性ワッシャーによるゆるみ止め手段とナイロン座金との採用が相俟って、振動による金属接触音の発生をより確実に防止することができる。また、ゆるみ止め弾性ワッシャーの凹凸形状を選択することにより、手作業によりボルトへのねじ込みが容易に行なえ、作業性の向上とねじ山の傷付きや焼付きを防止することも可能となる。  According to the nut with a nylon washer according to claim 3 of the present invention, since the nylon washer is integrally attached to the nut or the flange portion at the bottom of the nut main body, the same effects as those of claim 1 or 2 described above. The anti-loosening elastic washer is provided at the top of the nut or nut body, so that when the bolt is screwed onto the nut, the bolt is threaded by the anti-loosening elastic washer and the friction torque is applied. Can be increased. As a result, the nut and bolt can be more securely and effectively prevented from loosening, and the use of this elastic washer and the nylon washer combined with the metal contact sound caused by vibration. Can be more reliably prevented. Further, by selecting the uneven shape of the locking elastic washer, the screw can be easily screwed into the bolt by hand, and the workability can be improved and the thread can be prevented from being scratched or seized.

本考案の請求項4記載のナイロン座金付ナットによれば、上述した請求項1記載の構成と同様に、ナットの底面にナイロン座金が一体的に取り付けられているので、上述した請求項1と同様の作用効果が得られる一方、ナットの上面から上方に一体に延びる薄肉の円筒状ボスが連設され、この円筒状ボスの先端に、ねじ孔の2ピッチ分外周から内方に変形させると同時にそのねじ孔径及びねじ孔ピッチを変形させてなる圧縮変形部が形成されているから、ナットへのボルトの螺合時、円筒状ボスの先端に位置する圧縮変形部によりボルトのねじ山に圧力をかけて摩擦トルクを増大させることができる。その結果、ナットとボルトのゆるみ止め作用をより確実かつ効果的に発揮させることが可能となり、また、この圧縮変形部によるゆるみ止め手段とナイロン座金との採用が相俟って、振動による金属接触音の発生をより確実に防止することができる。  According to the nut with a nylon washer according to claim 4 of the present invention, since the nylon washer is integrally attached to the bottom surface of the nut, similarly to the structure according to claim 1 described above, While the same effect can be obtained, a thin cylindrical boss extending integrally upward from the upper surface of the nut is continuously provided. When the tip of the cylindrical boss is deformed inwardly from the outer periphery by two pitches of the screw hole, At the same time, a compression deformation part is formed by deforming the screw hole diameter and screw hole pitch, so that when the bolt is screwed onto the nut, the compression deformation part located at the tip of the cylindrical boss is pressed against the screw thread of the bolt. To increase the friction torque. As a result, the nut and bolt can be prevented from loosening more reliably and effectively, and the use of the locking means by the compression deformed part and the nylon washer combined with the metal contact due to vibration. Generation of sound can be prevented more reliably.

本考案に係るナイロン座金付ナットの一部切欠側面図である。It is a partially cutaway side view of the nut with a nylon washer according to the present invention. 同ナイロン座金付ナットの正面図である。It is a front view of the nut with the same nylon washer. フランジ部をもつナイロン座金付ナットの一部切欠側面図である。It is a partially cutaway side view of a nut with a nylon washer having a flange portion. 弾性ワッシャーをもつナイロン座金付ナットの一部切欠側面図である。It is a partially cutaway side view of a nut with a nylon washer having an elastic washer. 同弾性ワッシャーをもつナイロン座金付ナットの正面図である。It is a front view of a nut with a nylon washer having the elastic washer. フランジ部と弾性ワッシャーをもつナイロン座金付ナットの一部切欠側面図である。It is a partially cutaway side view of a nut with a nylon washer having a flange portion and an elastic washer. 同フランジ部と弾性ワッシャーをもつナイロン座金付ナットの正面図である。It is a front view of a nut with a nylon washer having the flange portion and an elastic washer. 別のナット形状のナイロン座金付ナットの一部切欠側面図である。It is a partially cutaway side view of another nut-shaped nut with a nylon washer. 同ナイロン座金付ナットの正面図である。It is a front view of the nut with the same nylon washer.

以下本考案に係るナイロン座金付ナットを図に基づいて説明する。  Hereinafter, a nut with a nylon washer according to the present invention will be described with reference to the drawings.

図1及び図2は、本考案に係るナイロン座金付ナットを示し、このナイロン座金付ナットNは、中心部に軸方向に貫通するねじ孔11が形成されたナット1と、このナット1の底面にカシメ止めされた平板状ナイロン座金2とを備える。  1 and 2 show a nut with a nylon washer according to the present invention. The nut N with a nylon washer includes a nut 1 having a screw hole 11 passing through in the axial direction in the center, and a bottom surface of the nut 1. And a flat-plate nylon washer 2 that is crimped.

ナット1の底面には、ねじ孔11と同心でかつねじ孔11の谷径よりも大径の環状係止部12が設けられている。なお、ナット1の形状としては図2のように正面視六角形とするほか、たとえば四角形や八角形などの多角形或いは円筒形などであってもよい。  An annular locking portion 12 that is concentric with the screw hole 11 and has a diameter larger than the valley diameter of the screw hole 11 is provided on the bottom surface of the nut 1. The nut 1 may have a hexagonal shape as viewed from the front as shown in FIG. 2, or may be a polygon such as a quadrangle or an octagon, or a cylinder.

ナイロン座金2は、ナイロン製弾性板からなり、その中心部に環状係止部12の外周に挿通可能な貫通孔21を有する。貫通孔21の一端内面には半径方向内方に突出する環状の凸状係合片22が設けられている。ナイロン座金2の厚みは、カシメ止め時、環状係止部12の先端部がナイロン座金2の座面よりも下方に突出することがないよう環状係止部12先端の突出寸法より厚く形成されている。  The nylon washer 2 is made of an elastic plate made of nylon, and has a through hole 21 that can be inserted into the outer periphery of the annular locking portion 12 at the center thereof. An annular convex engagement piece 22 that protrudes inward in the radial direction is provided on the inner surface of one end of the through hole 21. The thickness of the nylon washer 2 is formed to be thicker than the protruding dimension of the end of the annular locking part 12 so that the tip of the annular locking part 12 does not protrude below the seating surface of the nylon washer 2 when crimped. Yes.

そして、環状係止部12の外周にナイロン座金2が挿通され、かつ、その状態で環状係止部12の先端部を半径方向外方へカシメて拡げることにより、図1に示すように環状係止部12の先端部とナイロン座金2の凸状係合片22とが係合し、これによりナット1の底面にナイロン座金2が回転可能にカシメ止めされている。  Then, the nylon washer 2 is inserted into the outer periphery of the annular locking portion 12, and in this state, the tip end portion of the annular locking portion 12 is squeezed radially outward to expand the annular engagement portion as shown in FIG. The front end of the stopper 12 and the convex engagement piece 22 of the nylon washer 2 are engaged with each other, and the nylon washer 2 is rotatably crimped to the bottom surface of the nut 1.

次に、このナイロン座金付ナットの作用について説明する。  Next, the operation of the nut with a nylon washer will be described.

使用時には、ナイロン座金付ナットNを被固定部材(図示せず)に挿嵌されたボルト(図示せず)に手作業で螺入し、その後、適宜締付工具によりナイロン座金付ナットNを締め付けて被固定部材(図示せず)を強固に緊締して使用する。  At the time of use, the nut N with washer is manually screwed into a bolt (not shown) inserted into a fixed member (not shown), and then the nut N with washer is appropriately tightened with a tightening tool. Then, the member to be fixed (not shown) is firmly tightened and used.

その場合、ナット1にナイロン座金2が一体的に取り付けられているから、ナイロン座金付ナットNの被固定部材への組み付け作業が容易に行なえる。また、座金としてナイロン座金2を採用することにより、ナイロン座金付ナットNを被固定部材に組み付けた際には、金属同士の接触をなくして電食発生や座面の傷付きを防止できるし、特に、最大の問題となる振動時に発生する締結部の金属同士の接触による異音の発生を防止できる。その上、ナイロン座金2のもつ特性により座金が本来必要とする座面の安定化やゆるみ止め効果も発揮できる。  In that case, since the nylon washer 2 is integrally attached to the nut 1, the assembly work of the nut N with nylon washer to the fixed member can be easily performed. In addition, by adopting the nylon washer 2 as a washer, when the nut N with nylon washer is assembled to the fixed member, it is possible to prevent the occurrence of electrolytic corrosion and damage to the seat surface by eliminating contact between metals. In particular, it is possible to prevent the generation of noise due to the contact between the metals of the fastening portion that occurs during vibration, which is the biggest problem. In addition, the characteristics of the nylon washer 2 can exhibit the effect of stabilizing the seating surface and preventing the loosening that the washer originally needs.

図3は別の実施例を示すもので、ナット1が、中心部に軸方向に貫通するねじ孔が形成されたナット本体10とナット本体の下部に一体に連設されたフランジ部10aとから形成され、このナット1におけるフランジ部10aの底面のねじ孔11周りに、ねじ孔11より大径で下方に突出する環状係止部12が設けられる一方、この環状係止部12の外周に貫通孔21を有する平板状のナイロン座金2が挿通され、かつ、環状係止部12における先端部の半径方向外方へのカシメによりフランジ部10aの底面にナイロン座金2が回転可能にカシメ止めされた構成のものである。なお、図において上述の実施例と共通の部材についてはそれぞれ同一の符号を付して説明している。  FIG. 3 shows another embodiment, in which the nut 1 is composed of a nut body 10 in which a screw hole penetrating in the axial direction is formed in the central portion, and a flange portion 10a integrally connected to a lower portion of the nut body. An annular locking portion 12 is formed around the screw hole 11 on the bottom surface of the flange portion 10 a of the nut 1 and protrudes downward with a larger diameter than the screw hole 11, while penetrating the outer periphery of the annular locking portion 12. A flat nylon washer 2 having a hole 21 was inserted, and the nylon washer 2 was rotatably fastened to the bottom surface of the flange portion 10a by caulking the distal end of the annular locking portion 12 radially outward. It is a thing of composition. In the figure, members common to those in the above-described embodiment are described with the same reference numerals.

このように構成した場合にも、ナット本体10の下部にフランジ部10aを一体に備えたナット1にナイロン座金2が一体的に取り付けられているから、上述の実施例と同様の作用効果が得られると共に、フランジ部10aを設けることにより積極的に圧接面積を拡大できるので、全体としてより一層座面の安定化やゆるみ止め、さらには振動時に発生する締結部の金属同士の接触による異音発生の防止効果を高めることができる。  Even in such a configuration, since the nylon washer 2 is integrally attached to the nut 1 integrally provided with the flange portion 10a at the lower portion of the nut main body 10, the same effect as the above-described embodiment is obtained. In addition, since the pressure contact area can be actively expanded by providing the flange portion 10a, the entire seat surface is further stabilized and loosened as a whole, and the noise generated by the contact between the metal parts of the fastening portion generated during vibration is generated. The prevention effect can be enhanced.

また、図4及び図5は別の実施例を示すもので、図1に示す実施例の構造に加えて、ナット1の上部に、内周面にねじ孔11の内径とほぼ同径の円弧状で半径方向内方に突出する複数の凸状係合部31とねじ孔11の谷径よりも大径の円弧状で複数の凹状係合部32とを有する平板状のゆるみ止め弾性ワッシャー3をカシメ固定した構成のものである。  4 and 5 show another embodiment. In addition to the structure of the embodiment shown in FIG. 1, a circle having the same diameter as the inner diameter of the screw hole 11 is formed on the inner periphery of the nut 1. An elastic washer 3 having a flat plate shape having a plurality of convex engaging portions 31 projecting radially inward and a plurality of concave engaging portions 32 having a circular arc shape larger than the valley diameter of the screw hole 11. This is a structure in which the caulking is fixed.

このように構成した場合にも、ナット1の下部にナイロン座金2が一体的に取り付けられているので、上述した最初の実施例の作用効果と同様の作用効果が得られる一方、ナット1の上部に積極的にゆるみ止め弾性ワッシャー3を設けているから、ナット1へのボルトの螺合時、ゆるみ止め弾性ワッシャー3によりボルトのねじ山に圧力をかけて積極的に摩擦トルクを増大させることができる。その結果、ナット1とボルトのゆるみ止め作用をより確実かつ効果的に発揮させることが可能となり、また、この弾性ワッシャー3によるゆるみ止め手段の採用とナイロン座金2の採用とが相俟って、振動による金属接触音の発生をより確実に防止することができる。さらに、ゆるみ止め弾性ワッシャー3の凹凸形状を選択することにより、手作業によりボルトへのねじ込みが容易に行なえ、作業性の向上とねじ山の傷付きや焼付きを防止することができる。  Even in such a configuration, since the nylon washer 2 is integrally attached to the lower part of the nut 1, the same effect as that of the first embodiment described above can be obtained, while the upper part of the nut 1 can be obtained. Therefore, when the bolt is screwed onto the nut 1, it is possible to positively increase the friction torque by applying pressure to the thread of the bolt by the loosening elastic washer 3. it can. As a result, the nut 1 and bolt can be prevented from loosening more reliably and effectively, and the use of the locking means by the elastic washer 3 and the nylon washer 2 are combined, Generation of metal contact noise due to vibration can be prevented more reliably. Furthermore, by selecting the concave / convex shape of the locking elastic washer 3, the screw can be easily screwed into the bolt by hand, and the workability can be improved and the thread can be prevented from being scratched or seized.

また、図6及び図7は別の実施例を示すもので、図2に示すフランジ部をもつナイロン座金付ナットの実施例の構造に加えて、ナット本体10の上部に、内周面にねじ孔11の内径とほぼ同径の円弧状で半径方向内方に突出する複数の凸状係合部31とねじ孔11の谷径よりも大径の円弧状で複数の凹状係合部32とを有する平板状のゆるみ止め弾性ワッシャー3をカシメ固定した構成のものである。  FIGS. 6 and 7 show another embodiment. In addition to the structure of the embodiment of the nut with a nylon washer having the flange portion shown in FIG. A plurality of convex engaging portions 31 projecting radially inward in an arc shape having substantially the same diameter as the inner diameter of the hole 11, and a plurality of concave engaging portions 32 having an arc shape larger than the valley diameter of the screw hole 11. A flat-plate-shaped anti-loosening elastic washer 3 is fixed by caulking.

このように構成した場合にも、ナット本体10の下部に一体に備えたフランジ部10aにナイロン座金2が一体的に取り付けられているので、上述した図2に示す実施例の作用効果と同様の作用効果が得られる一方、ナット本体10の上部に積極的にゆるみ止め弾性ワッシャー3を設けているから、ナット1へのボルトの螺合時、ゆるみ止め弾性ワッシャー3によりボルトのねじ山に圧力をかけて積極的に摩擦トルクを増大させることができる。その結果、ナット1とボルトのゆるみ止め作用をより確実かつ効果的に発揮させることが可能となり、また、この弾性ワッシャー3によるゆるみ止め手段とナイロン座金2との採用が相俟って、振動による金属接触音の発生をより一層確実に防止することができる。さらに、ゆるみ止め弾性ワッシャー3の凹凸形状の選択により、手作業によりボルトへのねじ込みが容易に行なえ、作業性の向上とねじ山の傷付きや焼付きを防止することができる。  Even in such a configuration, since the nylon washer 2 is integrally attached to the flange portion 10a provided integrally with the lower portion of the nut body 10, the same effects as those of the embodiment shown in FIG. While the operational effect is obtained, since the elastic lock washer 3 is positively provided at the upper part of the nut body 10, when the bolt is screwed onto the nut 1, pressure is applied to the thread of the bolt by the elastic lock washer 3. Thus, the friction torque can be positively increased. As a result, the nut 1 and bolt can be prevented from loosening more reliably and effectively. In addition, the use of the locking means by the elastic washer 3 and the nylon washer 2 are combined to cause vibration. Generation of metal contact noise can be more reliably prevented. Furthermore, by selecting the concave / convex shape of the locking elastic washer 3, the screw can be easily screwed into the bolt by hand, improving workability and preventing the thread from being damaged or seized.

さらに、図8及び図9は別の実施例を示すもので、図1に示す実施例の構造に加えて、ナット1の上部に、円筒状ボス13を一体に連設し、その円筒状ボス13の先端に、複数箇所又は全周をプレスによってねじ孔11の2ピッチ分外周から内方に変形させると同時にそのねじ孔径及びねじ孔ピッチを変形させてなる圧縮変形部(図では3点のカシメのゆるみ止め部)13a…13aが形成されている構成としたものである。  8 and 9 show another embodiment. In addition to the structure of the embodiment shown in FIG. 1, a cylindrical boss 13 is integrally connected to the upper portion of the nut 1, and the cylindrical boss is provided. At the tip of 13, a plurality of locations or the entire circumference are deformed inward by two pitches of the screw hole 11 from the outer periphery by pressing, and at the same time, the compression deformation portion (three points in the figure) The caulking locking part) 13a... 13a is formed.

このように構成した場合にも、図1に示す実施例と同様にナット1の底面にナイロン座金2が一体的に取り付けられているから、図1に示す実施例と同様の作用効果が得られる一方、ナット1の上面から上方に一体に延びる薄肉の円筒状ボス13が連設され、この円筒状ボス13の先端に、その周囲をプレスによってねじ孔の2ピッチ分外周から内方に変形させると同時にそのねじ孔径及びねじ孔ピッチを変形させてなる圧縮変形部13a…13aが形成されている構成であるから、ナット1へのボルトの螺合時、円筒状ボス13の先端に位置する圧縮変形部13a…13aによりボルトのねじ山に圧力をかけて摩擦トルクを増大させることができる。その結果、ナット1とボルトのゆるみ止め作用を確実かつ効果的に発揮させることが可能となり、また、この圧縮変形部13a…13aによるゆるみ止め手段とナイロン座金2との採用が相俟って、振動による金属接触音の発生をより一層確実に防止することができる。  Even in such a configuration, since the nylon washer 2 is integrally attached to the bottom surface of the nut 1 as in the embodiment shown in FIG. 1, the same effects as those in the embodiment shown in FIG. 1 can be obtained. On the other hand, a thin-walled cylindrical boss 13 extending integrally upward from the upper surface of the nut 1 is continuously provided. The periphery of the cylindrical boss 13 is deformed inwardly from the outer periphery by two pitches of the screw hole by pressing. At the same time, since the compression deformation portions 13a... 13a are formed by deforming the screw hole diameter and screw hole pitch, the compression located at the tip of the cylindrical boss 13 when the bolt is screwed to the nut 1. The deformation portion 13a... 13a can increase the friction torque by applying pressure to the screw thread of the bolt. As a result, it is possible to reliably and effectively exert the locking action of the nut 1 and the bolt, and together with the adoption of the locking means and the nylon washer 2 by the compression deformation portions 13a. Generation of metal contact noise due to vibration can be more reliably prevented.

なお、図に示す実施例では圧縮変形部13aとして、図9に示すようにプレスによって3点のカシメゆるみ止め部を形成したけれども、何ら3点に限定されるものではなく、2点や4点など3点以外であってもよいし、また全周であってもよい。  In the embodiment shown in the figure, as the compressive deformation portion 13a, a three-point caulking / loosening prevention portion is formed by pressing as shown in FIG. 9, but the invention is not limited to three points, but two or four points. It may be other than 3 points, or may be the entire circumference.

N ナイロン座金付ナット
1 ナット
10 ナット本体
10a フランジ部
11 ねじ孔
12 環状係止部
13 円筒状ボス
13a 圧縮変形部
2 ナイロン座金
21 貫通孔
22 凸状係合片
3 ゆるみ止め弾性ワッシャー
31 凸状係合部
32 凹状係合部
N Nut with Nylon Washer 1 Nut 10 Nut Body 10a Flange Part 11 Screw Hole 12 Annular Locking Part 13 Cylindrical Boss 13a Compression Deformation Part 2 Nylon Washer 21 Through Hole 22 Convex Engagement Piece 3 Loosening Prevention Elastic Washer 31 Convex Engagement Joint part 32 concave engagement part

Claims (4)

中心部に軸方向に貫通するねじ孔が形成されたナットの底面におけるねじ孔周りに、ねじ孔より大径で下方に突出する環状係止部が設けられている一方、この環状係止部の外周に貫通孔を有する平板状のナイロン座金が挿通され、かつ、環状係止部における先端部の半径方向外方へのカシメによりナットの底面にナイロン座金が回転可能にカシメ止めされていることを特徴とするナイロン座金付ナット。  Around the screw hole in the bottom surface of the nut in which a screw hole penetrating in the axial direction is formed at the center, an annular locking part that is larger in diameter than the screw hole and protrudes downward is provided. A flat nylon washer having a through-hole on the outer periphery is inserted, and the nylon washer is rotatably fastened to the bottom surface of the nut by caulking radially outward at the tip of the annular locking portion. Features a nut with a nylon washer. ナットが、中心部に軸方向に貫通するねじ孔が形成されたナット本体とナット本体の下部に一体に連設されるフランジ部とからなり、フランジ部の底面におけるねじ孔周りに、ねじ孔より大径で下方に突出する環状係止部が設けられている一方、この環状係止部の外周に貫通孔を有する平板状のナイロン座金が挿通され、かつ、環状係止部における先端部の半径方向外方へのカシメによりフランジ部の底面にナイロン座金が回転可能にカシメ止めされていることを特徴とする請求項1記載のナイロン座金付ナット。  The nut is composed of a nut body in which a screw hole penetrating in the axial direction is formed in the central portion and a flange portion integrally connected to a lower portion of the nut body. The screw hole is formed around the screw hole on the bottom surface of the flange portion. An annular locking portion having a large diameter and projecting downward is provided, and a flat nylon washer having a through hole is inserted in the outer periphery of the annular locking portion, and the radius of the tip of the annular locking portion 2. The nut with a nylon washer according to claim 1, wherein the nylon washer is rotatably crimped to the bottom surface of the flange portion by caulking outward in the direction. ナット又はナット本体の上部に、内周面にねじ孔の内径とほぼ同径の円弧状で半径方向内方に突出する複数の凸状係合部とねじ孔の谷径よりも大径の円弧状で複数の凹状係合部とを交互に有する平板状のゆるみ止め弾性ワッシャーがカシメ固定されていることを特徴とする請求項1又は請求項2記載のナイロン座金付ナット。  On the top of the nut or nut body, a plurality of convex engaging parts projecting radially inward in the shape of an arc having the same diameter as the inner diameter of the screw hole on the inner peripheral surface and a circle having a diameter larger than the valley diameter of the screw hole 3. A nut with a nylon washer according to claim 1 or 2, wherein a flat-plate-shaped locking elastic washer that is arcuate and has a plurality of concave engaging portions is fixed by caulking. ナットの上面から上方に一体に延びかつ中心部にナットのねじ孔に連続するねじ孔を有する円筒状ボスが連設され、円筒状ボスはその肉厚がナットの肉厚よりも薄く形成されていると共に、円筒状ボスの先端に、ねじ孔の2ピッチ分外周から内方に変形させると同時にそのねじ孔径及びねじ孔ピッチを変形させてなる圧縮変形部が形成されていることを特徴とする請求項1記載のナイロン座金付ナット。  A cylindrical boss extending integrally from the upper surface of the nut and having a screw hole continuous with the screw hole of the nut at the center is continuously provided, and the thickness of the cylindrical boss is thinner than the thickness of the nut. And at the tip of the cylindrical boss, there is formed a compression deformation portion formed by deforming the screw hole diameter and the screw hole pitch at the same time as deforming inward from the outer periphery by two pitches of the screw hole. The nut with a nylon washer according to claim 1.
JP2017004200U 2017-08-25 2017-08-25 Nut with nylon washer Ceased JP3213541U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017004200U JP3213541U (en) 2017-08-25 2017-08-25 Nut with nylon washer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017004200U JP3213541U (en) 2017-08-25 2017-08-25 Nut with nylon washer

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2019134895A Continuation JP6869458B2 (en) 2019-07-03 2019-07-03 Nylon washer nut

Publications (1)

Publication Number Publication Date
JP3213541U true JP3213541U (en) 2017-11-16

Family

ID=60324151

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017004200U Ceased JP3213541U (en) 2017-08-25 2017-08-25 Nut with nylon washer

Country Status (1)

Country Link
JP (1) JP3213541U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110185692A (en) * 2019-07-02 2019-08-30 海盐县华昇汽车配件有限公司 A kind of squash type slotted nut
CN113728172A (en) * 2019-04-29 2021-11-30 沃尔沃卡车集团 Hub locking nut assembly
CN109458390B (en) * 2018-12-20 2023-09-26 浙江安盛汽车零部件有限公司 Split type fastening nut

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109458390B (en) * 2018-12-20 2023-09-26 浙江安盛汽车零部件有限公司 Split type fastening nut
CN113728172A (en) * 2019-04-29 2021-11-30 沃尔沃卡车集团 Hub locking nut assembly
CN113728172B (en) * 2019-04-29 2023-09-22 沃尔沃卡车集团 Hub lock nut assembly
CN110185692A (en) * 2019-07-02 2019-08-30 海盐县华昇汽车配件有限公司 A kind of squash type slotted nut
CN110185692B (en) * 2019-07-02 2023-12-19 海盐县华昇汽车配件有限公司 Extrusion type slotting lock nut

Similar Documents

Publication Publication Date Title
JP3213541U (en) Nut with nylon washer
JP2019173972A (en) Nut with nylon washer
JP6705719B2 (en) Screw with washer
US20040101383A1 (en) Ground washer
JP5336644B1 (en) Screw body reverse rotation prevention structure
JP3234710U (en) Anti-vibration nut kit
WO2015060425A1 (en) Reverse rotation prevention structure for screw body
JP2016133136A (en) Special double nut for looseness prevention
JPWO2016006598A1 (en) Male threaded body, linkage member, female threaded body, screw body fastening structure
JP2015203492A (en) Lock nut
WO2020031252A1 (en) Lock washer and fastening structure
JP3163716U (en) Fastening structure for locking nut, bolt and nut
JP3164885U (en) Locking nut
JP2018151053A (en) Locknut prevented from loosening
JP2003269434A (en) Bolt fastener
JP6576901B2 (en) Bolt / nut locking structure
JP6039515B2 (en) Screw body reverse rotation prevention structure
JP3102501U (en) Multiple loosening nut assemblies
JP3182560U (en) Multiple lock nuts
JP4837963B2 (en) Screw locking structure
JP2012017814A (en) Loosening-prevention screwing structure
JP6421307B2 (en) Screw body reverse rotation prevention structure
US20070154288A1 (en) Laminated nut with center tension sleeve
JP3171082U (en) Fastening bolt
JP2006118582A (en) Female screw part

Legal Events

Date Code Title Description
R150 Certificate of patent or registration of utility model

Ref document number: 3213541

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

A623 Registrability report

Free format text: JAPANESE INTERMEDIATE CODE: A623

Effective date: 20190529

A624 Registrability report (other person)

Free format text: JAPANESE INTERMEDIATE CODE: A624

Effective date: 20190529

S801 Written request for registration of abandonment of right

Free format text: JAPANESE INTERMEDIATE CODE: R321801

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S801 Written request for registration of abandonment of right

Free format text: JAPANESE INTERMEDIATE CODE: R321801

ABAN Cancellation of abandonment
R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350