WO2010089894A1 - Rondelle d'insertion - Google Patents

Rondelle d'insertion Download PDF

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Publication number
WO2010089894A1
WO2010089894A1 PCT/JP2009/052163 JP2009052163W WO2010089894A1 WO 2010089894 A1 WO2010089894 A1 WO 2010089894A1 JP 2009052163 W JP2009052163 W JP 2009052163W WO 2010089894 A1 WO2010089894 A1 WO 2010089894A1
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WO
WIPO (PCT)
Prior art keywords
washer
nut
opening
male screw
screw member
Prior art date
Application number
PCT/JP2009/052163
Other languages
English (en)
Japanese (ja)
Inventor
伊藤勝夫
Original Assignee
イイファス株式会社
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 イイファス株式会社 filed Critical イイファス株式会社
Priority to JP2010549330A priority Critical patent/JPWO2010089894A1/ja
Priority to PCT/JP2009/052163 priority patent/WO2010089894A1/fr
Publication of WO2010089894A1 publication Critical patent/WO2010089894A1/fr

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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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/08—Quickly-detachable or mountable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut
    • F16B37/0871—Quickly-detachable or mountable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut engaging the bolt laterally, i.e. without the need to engage the end of the bolt
    • F16B37/0885—Quickly-detachable or mountable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut engaging the bolt laterally, i.e. without the need to engage the end of the bolt in two halves hingedly connected
    • 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
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/005—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts engaging the bolt laterally to allow a quick mounting or dismounting of the washer, i.e. without the need to engage over the end of the bolt

Definitions

  • the present invention relates to an insertion washer that can be inserted into a male screw member such as a bolt from the side.
  • a washer is interposed between the object to be fastened and the nut to prevent the nut from biting into the object to be fastened or to prevent the nut from loosening.
  • the male screw member whose both ends are closed has a problem that the washer can be incorporated only from the side.
  • you forget to interpose the washer and tighten the nut you must remove the tightened nut and then insert the washer into the male screw member, which reduces work efficiency. is there.
  • a washer that can be inserted into a male screw member such as a bolt from the side has been proposed.
  • a washer with an opening and closing piece described in JP-A-2006-316831 is cut out from an insertion hole of the washer to an outer diameter portion, and slit grooves are provided on the left and right along the cut line, and the bottom portion of the slit groove can be bent Opening and closing pieces are provided (Patent Document 1).
  • Patent Document 1 a washer with an opening and closing piece described in JP-A-2006-316831 is cut out from an insertion hole of the washer to an outer diameter portion, and slit grooves are provided on the left and right along the cut line, and the bottom portion of the slit groove can be bent Opening and closing pieces are provided (Patent Document 1).
  • the slit groove is formed to be extremely thin (0.1 to 0.3 mm) in order to bend the opening / closing piece. For this reason, it is easy to bend in the slit groove, and the operator must handle it carefully. However, since the fastening operation and the like are generally proceeded quickly at the work site, it is inconvenient to handle the washer carefully. Further, when the opening / closing piece is opened and closed a plurality of times, the slit groove may cause metal fatigue and may be broken immediately. Therefore, it is not suitable for use in the field where reuse is required.
  • the present invention has been made to solve such problems, and can be prevented from being opened from a split nut or an open / close nut as well as being inserted into a male screw member such as a bolt from the side.
  • An object of the present invention is to provide an insertion washer capable of enhancing the effect of preventing the tightened nut from being loosened and preventing displacement and dropping.
  • the insertion washer according to the present invention is an insertion washer that can be inserted into a male screw member such as a bolt from the side, and the divided washer is divided in the width direction, and the divided opening / closing portion.
  • An open / close fulcrum portion that is deformably formed as a fulcrum that opens and closes up and down, and the upper surface of the insertion washer is substantially along the periphery of the insertion hole through which the male screw member is inserted.
  • a substantially taper-shaped nut engaging portion is provided that protrudes in an arc shape and is inclined downward from the outer peripheral edge side toward the inner peripheral edge side.
  • the insertion washer according to the present invention is an insertion washer that can be inserted into a male screw member such as a bolt from the side, and the insertion washer is substantially the same as the hole size of the insertion hole through which the male screw member is inserted. It has an insertion opening that is divided and opened in the width direction with the same dimensional width, and is formed on the upper surface of the insertion washer so as to project in a substantially arc shape along the peripheral edge of the insertion hole, and A substantially tapered nut engaging portion inclined downward from the outer peripheral edge side toward the inner peripheral edge side is provided.
  • the insertion washer has an arc-shaped receiving recess formed in a concave shape in accordance with the substantially arc shape of the nut engaging portion on the lower surface thereof.
  • the auxiliary washer is used in combination with the insert washer, and the auxiliary washer is divided and opened in the width direction with a width substantially the same as the diameter of the auxiliary insertion hole through which the male screw member is inserted.
  • the auxiliary washer has an insertion opening, and the upper surface of the auxiliary washer has a width substantially the same as that of the insertion opening of the insertion washer, and is substantially the same as the nut engaging portion of the insertion washer.
  • a substantially arc-shaped auxiliary-side nut engaging portion having the same radius of curvature is formed to protrude, and can be accommodated in an arc-shaped accommodating recess of the plug-in washer on the upper surface other than the auxiliary-side nut engaging portion.
  • Arc shape Protrusion may be formed.
  • the insertion washer according to the present invention is an insertion washer that can be inserted into a male screw member such as a bolt from the side, and the insertion washer is configured by combining a pair of washer pieces formed in the same shape.
  • Each washer piece has an insertion opening partly opened in the width direction at the position of the insertion hole through which the male screw member is inserted, and the other end part of the insertion opening part has the other opening part. It has a fitting concave part and a fitting convex part which are mutually fitted with the washer piece, and protrudes in a substantially arc shape on the upper and lower surfaces of the washer piece along the peripheral edge of the insertion opening.
  • a substantially tapered nut engaging portion that is formed and inclined downward from the outer peripheral edge side toward the inner peripheral edge side is provided.
  • the split nut and the open / close nut from being opened from the side as well as to be inserted into a male screw member such as a bolt, and to increase the effect of preventing the tightened nut from being loosened. Dropout can be prevented.
  • the insertion washer 1A of the first embodiment mainly includes an insertion hole 11 through which the male screw member 2 is inserted, and a divided opening / closing portion 12 divided to open and close the insertion washer 1A.
  • the opening / closing fulcrum part 13 for opening and closing the divided opening / closing part 12 and the nut engaging part 14 engaged with the nut 3 are provided.
  • each component will be described in more detail.
  • the insertion hole 11 is a hole through which the male screw member 2 such as a bolt is inserted, and is formed to have a diameter slightly larger than the diameter of the male screw member 2.
  • the male screw member 2 includes all members such as bolts that are formed in a rod shape or a cylindrical shape and have a male screw on the outer peripheral surface.
  • the split opening / closing part 12 opens and closes so that the insertion washer 1A can be inserted into the male screw member 2 from the side.
  • the dividing opening / closing portion 12 is configured such that the insertion washer 1A can be divided in the width direction or can be easily divided.
  • the one end face divided by the dividing opening / closing part 12 is formed with a bulging convex part 12a so that the bulging convex part 12a can be fitted with almost no gap. 12b is formed on the other end surface.
  • the opening / closing fulcrum part 13 is for making it easy to open and close the divided opening / closing part 12 in the vertical direction. Specifically, as shown in FIG. 1, the opening / closing fulcrum part 13 is formed in a small width so as to be deformable as a fulcrum for opening and closing the divided opening / closing part 12.
  • the formation position of the opening / closing fulcrum part 13 is not particularly limited, but in the first embodiment, the opening / closing fulcrum part 13 is formed at a position substantially symmetrical to the dividing opening / closing part 12 with the insertion hole 11 as a reference.
  • the width of the opening / closing fulcrum portion 13 is set to a width that allows the divided opening / closing portion 12 to be easily opened and closed and does not break even when the opening / closing fulcrum portion 12 is opened and closed a plurality of times. Moreover, you may comprise the opening-and-closing fulcrum part 13 so that opening and closing is possible via the member which can be rotated, without forming in small width.
  • the nut engaging portion 14 is for engaging the nut 3 to enhance the loosening prevention effect.
  • the pair of nut engaging portions 14, 14 project in a substantially arc shape along the peripheral edge portion of the insertion hole 11 on the upper surface of the insertion washer 1 ⁇ / b> A. Is formed.
  • the nut engaging portions 14 and 14 are formed in a substantially tapered shape inclined downward from the outer peripheral edge side toward the inner peripheral edge side in order to move in the axial direction regardless of the dimensional tolerance of the nut 3. .
  • the nut engaging portion 14 is not limited to the above-described configuration, and the nut engaging portion 14 that is continuous in the circumferential direction on at least both sides with respect to the symmetry line of the nut 3 or a plurality of nut engaging portions.
  • the joint part 14 should just be arrange
  • the insertion nut 3 as shown in FIG. 2 is used as the nut 3 screwed into the male screw member 2.
  • the insertion nut 3 is formed with a cut 32 so as to leave a bendable thin portion 31. For this reason, it can be easily opened and closed by the force of a finger, and is inserted into a desired position of the male screw member 2 from the middle to be screwed together.
  • a tapered portion 33 is formed on the upper and lower surfaces of the insertion nut 3 along the outer peripheral edge.
  • the insertion nut 3 can be manufactured at a low cost simply by performing a process such as plating after being cut into a commercially available product.
  • the structure of the insertion nut 3 is not limited to the above, and is inserted from the side, such as a split nut formed by combining a pair of nut pieces, or an open / close nut configured to be opened and closed by a hinge pin or the like. Any possible insertion nut 3 may be used.
  • a fastener excellent in fastening force with better workability is configured.
  • the insertion washer 1A of the first embodiment When the insertion washer 1A of the first embodiment is interposed between the fastened object X and the insertion nut 3, and tightened, first, the insertion washer 1A is inserted into the male screw member 2 from the side, and then the male screw The insertion nut 3 is screwed into the member 2. At this time, when a force in the vertical direction is applied to one and the other of the divided opening / closing part 12, the opening / closing fulcrum part 13 is easily opened up and down as shown in FIG. Thereby, if the parting opening-and-closing part 12 is opened more than the diameter of the external thread member 2, the insertion washer 1A will be quickly interposed in a desired position. As shown in FIG. 1, the insertion washer 1 ⁇ / b> A may be configured to circulate in a state where it is opened up and down in advance, and to be inserted into the male screw member 2 and closed at the time of use.
  • the mounting order of the insertion washer 1A and the insertion nut 3 may be from either.
  • the insertion washer 1A is attached by being inserted into the male screw member 2 from the side. For this reason, even if the hexagon nut is tightened first, the insertion washer 1A can be interposed without removing it, and the tightening work becomes efficient and quick.
  • the insertion washer 1A and the insertion nut 3 of the first embodiment include, for example, two long male screw members 2 suspended in the axial direction, and nuts and washers at both ends of these male screw members 2. It is suitable for use in a shelf or the like comprising a plurality of support members fixed by Specifically, even if both ends of the male screw member 2 are closed, the insertion washer 1A can be inserted from the side, so that when used together with the insertion nut 3, the support member can be fixed at a desired position. . For this reason, a support member can be expanded without removing the already fixed nut 3 and washer. Further, the support member that is no longer necessary can be deleted without removing the already fixed nut 3 or washer.
  • the expansion / contraction convex part 12a and the expansion / contraction concave part 12b are fitted in a substantially intimate state. For this reason, the insertion washer 1A does not open even if a force that expands in the horizontal direction is applied. Further, as will be described later, even if a force in the expanding direction is applied to the nut engaging portion 14 as the insertion nut 3 is tightened, the nut does not easily open.
  • each nut engaging part 14 receives the force of the expansion direction from the taper part 33 of the insertion nut 3 in connection with clamping operation
  • movement with respect to the taper part 33 of the insertion nut 3 Applies a reaction force in the closing direction.
  • the insertion nut 3 does not open during tightening, and is tightened more firmly.
  • the nut engaging portion 14 is engaged with the taper portion 33 of the insertion nut 3, so that the insertion nut 3 is prevented from expanding. Furthermore, even if the insertion nut 3 is somewhat loosened, the nut engaging portion 14 is caught by the taper portion 33 of the insertion nut 3, so that the insertion washer 1A is prevented from being displaced or dropped. To do.
  • the following effects can be obtained. 1. It can be inserted into the male screw member 2 such as a bolt from the side and attached to a desired position. 2. It can also be attached from the side to the male screw member 2 whose both ends are closed. 3. Even if you forget to interpose the washer and tighten the hex nut, there is no need to remove the hex nut, and the tightening operation can be made more efficient and faster. 4). The dimensional tolerance of the nut 3 can be absorbed and the loosening prevention effect can be improved. 5). It is possible to prevent the displacement and dropping of the insertion washer 1A. 6). The insertion nut 3 can be closed in conjunction with the tightening operation, and the expansion of the tightened insertion nut 3 can be prevented. 7). It is possible to prevent the split opening / closing part 12 from opening carelessly.
  • the feature of the insertion washer 1B of the second embodiment is that, as shown in FIG. It is in the point.
  • the insertion opening 15 is an opening for inserting the insertion washer 1B into the male screw member 2 from the side.
  • the insertion opening 15 is divided by a width substantially the same as the hole diameter of the insertion hole 11 through which the male screw member 2 is inserted by the insertion washer 1 ⁇ / b> B in the width direction. It is open.
  • a substantially arc-shaped nut engaging portion 14 protrudes from the upper surface of the insertion washer 1 ⁇ / b> B along the peripheral portion of the insertion hole 11.
  • the nut engaging portion 14 is formed in a substantially tapered shape inclined downward from the outer peripheral edge side toward the inner peripheral edge side, as in the first embodiment. Sit down.
  • the insertion washer 1B is formed with an arcuate accommodation recess 16 into which the arcuate accommodation projection 54 of the auxiliary washer 5 combined in the third embodiment to be described later is loosely fitted.
  • the arcuate accommodation recess 16 is formed in a concave shape on the lower surface of the insertion washer 1 ⁇ / b> B in accordance with the substantially arcuate shape of the nut engaging portion 14.
  • the insertion washer 1B of the second embodiment having the above configuration is interposed between the fastened object X and the insertion nut 3 and tightened, first, the insertion washer 1B is first attached to the male screw member 2 from the side. After the insertion, the insertion nut 3 is screwed into the male screw member 2. At this time, the insertion opening 15 easily introduces the male screw member 2 into the insertion hole 11, and the insertion washer 1B can be quickly interposed at a desired position.
  • the insertion nut 3 is rotated in the tightening direction, it is screwed downward along the axial direction and comes into contact with the insertion washer 1B. At this time, the insertion nut 3 can be moved in the axial direction regardless of the dimensional tolerance by the tapered inclined surface of the nut engaging portion 14, so that the tightening degree can be increased and the loosening prevention effect can be improved.
  • the tightening operation is completed in a state where the screw does not advance.
  • the insertion opening 15 of the insertion washer 1B and the notch 32 of the insertion nut 3 are stopped in a substantially orthogonal relationship, a force is applied to close the insertion opening 15 and the notch 32. This makes it difficult to loosen.
  • the insertion opening 15 of the insertion washer 1B and the notch 32 of the insertion nut 3 may be tightened at the same time in a state of being substantially orthogonal.
  • the lower surface of the insertion washer 1B is elastic so that the lower surface of the insertion washer 1B is pushed to the fastened object X side when tightening is completed. It may be deformed.
  • the insertion nut 3 receives the repulsive force due to this elastic force, and the effect of preventing loosening against vibration and impact can be improved.
  • the bottom surface of the insertion nut 3 is in close contact with the upper surface of the insertion washer 1B, and the tapered portion 33 of the insertion nut 3 is in close contact with the nut engaging portion 14. It is fixed with. Thereby, the frictional resistance which generate
  • the insertion washer 1B has a simple structure, it can be manufactured at a low cost. 2. It is very easy to insert into the male screw member 2. 3. Although the insertion opening 15 is greatly opened, the loosening prevention effect can be sufficiently exhibited by making the tightening position of the insertion nut 3 orthogonal. 4). The loosening prevention effect can be improved by tightening the insertion nut 3 so as to elastically deform the arcuate accommodation recess 16 of the insertion washer 1B.
  • the feature of the insertion washer 1C of the third embodiment is that it has an auxiliary washer 5 used in combination with the insertion washer 1B of the second embodiment, as shown in FIG.
  • the auxiliary washer 5 mainly includes an auxiliary side insertion hole 51 through which the male screw member 2 is inserted, and an auxiliary side difference through which the male screw member 2 is inserted from the side into the auxiliary side insertion hole 51. It has the insertion opening 52, the auxiliary
  • the auxiliary side insertion opening 52 is an opening for inserting the auxiliary washer 5 into the male screw member 2 from the side.
  • the auxiliary-side insertion opening 52 is divided by a width substantially the same as the diameter of the auxiliary-side insertion hole 51 through which the male screw member 2 is inserted in the width direction. It is open.
  • the auxiliary side insertion opening 52 is formed in the same shape as the insertion opening 15 of the insertion washer 1B described above.
  • the auxiliary side nut engaging portion 53 is for engaging with the nut 3 to improve the loosening prevention effect.
  • the auxiliary side nut engaging portion 53 has substantially the same dimensional width as the insertion opening 15 of the insertion washer 1 ⁇ / b> B on the upper surface of the auxiliary washer 5. Thus, it is formed to project in a substantially arc shape having a radius of curvature substantially the same as the nut engaging portion 14 of the insertion washer 1B.
  • the arcuate accommodation convex portion 54 is combined with the arcuate accommodation concave portion 16 provided on the lower surface of the insertion washer 1B. That is, in the third embodiment, as shown in FIG. 5, an arcuate accommodation recess 16 is provided along the back side of the nut engaging portion 14 on the lower surface of the insertion washer 1B. An arcuate accommodation convex portion 54 is formed on the upper surface other than the auxiliary nut engaging portion 53 so as to loosely fit into the arcuate accommodation recess 16 from below. As shown in FIG. 7, the arcuate accommodation convex portion 54 is formed in a shape that can be accommodated by being overlapped with the arcuate accommodation recess 16 of the insertion washer 1 ⁇ / b> B.
  • the insertion washer 1C of the third embodiment having the above configuration is interposed between the fastened object X and the insertion nut 3, and tightened, first, the insertion washer 1B and After the auxiliary washer 5 is inserted, the insertion nut 3 is screwed into the male screw member 2. At this time, the insertion washer 1B is inserted above the male screw member 2, while the auxiliary washer 5 is inserted below the male screw member 2 from the opposite direction to the insertion direction.
  • the auxiliary side nut engaging portion 53 is fitted into the insertion opening 15 of the insertion washer 1B.
  • the insertion opening 15 is closed, and the nut engaging portion 14 and the auxiliary side nut engaging portion 53 are continuously configured in the circumferential direction.
  • the arcuate accommodation convex portion 54 of the auxiliary washer 5 is loosely fitted into the arcuate accommodation recess 16 of the insertion washer 1B, misalignment and drop-off of the insertion washer 1B and the auxiliary washer 5 are mutually prevented.
  • the tightening operation is completed in a state where the screw does not advance.
  • the lower surface of the insertion nut 3 is in close contact with the upper surfaces of the insertion washer 1B and the auxiliary washer 5, and the tapered portion 33 of the insertion nut 3 is connected to the nut engaging portion 14 and the auxiliary side. It is fixed in close contact with the nut engaging portion 53.
  • produces between the insertion washer 1B and the auxiliary washer 5, and the insertion nut 3 is raised, and the loosening prevention effect improves.
  • a concave space is formed on the lower surface of the auxiliary washer 5 along the back side of the arcuate accommodation convex portion 54. For this reason, when the tightening is completed, the lower surface of the auxiliary washer 5 may be elastically deformed so as to be pushed out to the fastened object X side. Due to the repulsive force on the insertion nut 3 due to this elastic force, the effect of preventing loosening against vibration and impact is further improved.
  • the following effects can be obtained in addition to the effects of the second embodiment. 1. Since the nut engaging part 14 and the auxiliary side nut engaging part 53 are continuously comprised in the circumferential direction, the loosening prevention effect can be improved. 2. By combining the insertion washer 1 ⁇ / b> B and the auxiliary washer 5, it is possible to prevent misalignment or dropout.
  • the feature of the insertion washer 1D of the fourth embodiment is that it is configured by combining a pair of washer pieces 6 and 6 formed in the same shape as shown in FIG.
  • each washer piece 6 is mainly opened to insert an insertion hole 11 through which the male screw member 2 is inserted, and the insertion hole 11 from the side to the male screw member 2. It has the insertion opening part 15, the nut engaging part 14 engaged with the nut 3, and the fitting recessed part 17 and the fitting convex part 18 which fit when the other washer piece 6 to combine is piled up.
  • the insertion opening 15 is divided and opened in the width direction at the position of the insertion hole 11.
  • the fitting recessed part 17 and the fitting convex part 18 which are mutually fitted with the other washer piece 6 are formed in the both ends which comprise this insertion opening part 15, respectively.
  • the fitting convex part 18 is comprised so that it may protrude in an axial direction in the front-end
  • the fitting concave portion 17 is formed on the proximal end side of the fitting convex portion 18 so as to be thinner than half of the thickness of the insertion washer, and the fitting convex portion 18 of the other washer piece is fitted. It is formed in a concave shape that can be.
  • the nut engaging part 14 is formed in the upper and lower surfaces of each washer piece 6 and 6, as shown in FIG.
  • the nut engaging portion 14 is formed so as to protrude in a substantially arc shape along the peripheral edge of the insertion opening 15, and is substantially tapered inclined downward from the outer peripheral edge side toward the inner peripheral edge side. It constitutes the shape.
  • a nut engaging part 14 formed on the upper surface of one washer piece 6 and a nut engagement formed on the lower surface of the other washer piece 6 are combined.
  • the portion 14 constitutes a nut engaging portion 14 in which an inclined surface continues in a ring shape around the insertion hole 11.
  • the nut engaging portion 14 is formed on the upper surface, and a gap having the same shape as the nut engaging portion 14 is formed on the lower surface.
  • the gap on the lower surface side can also have a function of exerting elasticity when the insertion nut 3 is tightened.
  • the nut engaging part 14 is comprised continuously in the circumferential direction, as long as the clamping force of the insertion nut 3 can be hold
  • the insertion washer 1D of the fourth embodiment having the above configuration is interposed between the fastened object X and the insertion nut 3, and tightened, first, the insertion washer 1D is inserted into the male screw member 2 from the side. After the insertion, the insertion nut 3 is screwed into the male screw member 2. At this time, each washer piece 6 is inserted up and down so that the fitting concave portion 17 and the fitting convex portion 18 face each other. Since each washer piece 6 and 6 is formed in the same shape, an operator does not mix up and work efficiency is high.
  • the fitting convex portion 18 of one washer piece 6 is fitted into the fitting concave portion 17 of the other washer piece 6 and the other washer piece 6
  • the fitting convex part 18 fits into the fitting concave part 17 of one washer piece 6.
  • the insertion washer 1D does not come off even when a force that expands in the horizontal direction is applied.
  • the nut engaging portion 14 acts so that it does not come off even if a force in the expanding direction is applied.
  • each insertion opening part 15 is mutually closed, and nut engagement provided with the tapered inclined surface
  • the portion 14 is continuously formed around the insertion hole 11.
  • the fixing position of the insertion nut 3 is loose with respect to the insertion washer 1D in that the notch 32 is positioned in a direction perpendicular to the dividing direction of the washer pieces 6 and 6. This is preferable from the viewpoint of enhancing the stopping effect.
  • the nut engaging portion 14 on the lower surface side is between the fastened object X as shown in FIG. An arched space is formed. For this reason, it is possible to elastically deform so that the lower surface of the insertion washer 1D is pushed out to the fastened object X side when the tightening is completed. Due to the repulsive force on the insertion nut 3 due to this elastic force, the effect of preventing loosening against vibration and impact is further improved.
  • each washer piece 6 is configured in the same shape, the manufacturing cost can be reduced and the working efficiency can be improved. 2. Since the nut engaging part 14 is comprised continuously in the circumferential direction, the locking effect can be improved. 3. By locking the fitting concave portion 17 and the fitting convex portion 18, it is possible to provide a washer that is thin and has a simple structure but a high locking effect.
  • plug washer according to the present invention is not limited to the above-described embodiments, and can be changed as appropriate.
  • the insertion washer 1A, 1B, 1C, 1D having a substantially circular outer shape has been described.
  • the present invention is not limited to this configuration, and an insertion washer such as a square may be used.
  • Insert washer 2 Male thread member 3 Nut (insert nut) DESCRIPTION OF SYMBOLS 5 Auxiliary washer 6 Washer piece 11 Insertion hole 12 Divided opening / closing part 12a Inflated convex part 12b Inflated concave part 13 Opening / closing fulcrum part 14 Nut engaging part 15 Insertion opening part 16 Arc-shaped accommodation recessed part 17 Fitting concave part 18 Fitting convex part 31 Thin portion 32 Notch 33 Tapered portion 51 Auxiliary side insertion hole 52 Auxiliary side insertion opening 53 Auxiliary side nut engaging portion 54 Arc-shaped accommodation convex portion X Fastened object

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

Abstract

L'invention concerne une rondelle d'insertion qui peut non seulement être insérée depuis le côté d'un élément de vis mâle tel qu'un boulon, mais qui peut aussi empêcher un écrou de vis-mère ou un écrou ouvrant de s'ouvrir, augmentant l'effet de prévention du desserrement d'un écrou de serrage et empêchant également un déplacement ou une chute. Une rondelle d'insertion 1A pouvant être insérée depuis le côté d'un élément de vis mâle 2 tel qu'un boulon comporte une partie d'ouverture/de fermeture divisée 12 grâce à laquelle elle est divisée dans la direction de la largeur ; et un point d'appui d'ouverture/de fermeture 13 formé de manière déformable avec une largeur étroite comme point d'appui pour ouvrir et fermer verticalement la partie d'ouverture/fermeture divisée 12, une partie d'accouplement d'écrou sensiblement conique 14 étant formée sur une surface supérieure de la rondelle d'insertion 1A d'une manière sensiblement circulaire et saillante le long d'une partie circonférentielle d'un trou pénétrant 11 à travers laquelle l'élément de vis mâle 2 pénètre, et s'inclinant vers le bas du côté circonférentiel inférieur au côté circonférentiel supérieur.
PCT/JP2009/052163 2009-02-09 2009-02-09 Rondelle d'insertion WO2010089894A1 (fr)

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JP2010549330A JPWO2010089894A1 (ja) 2009-02-09 2009-02-09 差込ワッシャー
PCT/JP2009/052163 WO2010089894A1 (fr) 2009-02-09 2009-02-09 Rondelle d'insertion

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Application Number Priority Date Filing Date Title
PCT/JP2009/052163 WO2010089894A1 (fr) 2009-02-09 2009-02-09 Rondelle d'insertion

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WO2010089894A1 true WO2010089894A1 (fr) 2010-08-12

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2474804A1 (fr) * 2011-01-10 2012-07-11 Alfa Laval Corporate AB Échangeur thermique à plaque
EP2497964A3 (fr) * 2011-03-11 2016-03-09 HILTI Aktiengesellschaft Agencement de fixation
CN106795906A (zh) * 2014-08-13 2017-05-31 李相哲 防松垫圈

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JPH0742889A (ja) * 1990-02-14 1995-02-10 Fraenkische Rohrwerke Gebr Kirchner Gmbh & Co 管継手及び付属ナット

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GB433699A (en) * 1932-11-17 1935-08-19 Mathilde Haran Locking device for screw nuts and screw heads
US2374309A (en) * 1943-03-25 1945-04-24 Frank L Roxs Slip-on interlocking washer and nut securing device
US3038366A (en) * 1959-10-15 1962-06-12 Roy G Hindman Separating nut assembly
DE2553255A1 (de) * 1975-11-27 1977-10-27 Fresch Schrauben Handels Gmbh In achsialrichtung in zwei haelften geteilte schraubenmutter
US4078470A (en) * 1976-02-02 1978-03-14 Zeranick Jr Paul S Split nut
JPH0742889A (ja) * 1990-02-14 1995-02-10 Fraenkische Rohrwerke Gebr Kirchner Gmbh & Co 管継手及び付属ナット

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2474804A1 (fr) * 2011-01-10 2012-07-11 Alfa Laval Corporate AB Échangeur thermique à plaque
WO2012095341A1 (fr) * 2011-01-10 2012-07-19 Alfa Laval Corporate Ab Échangeur thermique à plaques
CN103282736A (zh) * 2011-01-10 2013-09-04 阿尔法拉瓦尔股份有限公司 板式换热器
JP2014505224A (ja) * 2011-01-10 2014-02-27 アルファ・ラバル・コーポレイト・エービー プレート熱交換器
EP2497964A3 (fr) * 2011-03-11 2016-03-09 HILTI Aktiengesellschaft Agencement de fixation
CN106795906A (zh) * 2014-08-13 2017-05-31 李相哲 防松垫圈
JP2017524116A (ja) * 2014-08-13 2017-08-24 イ サンチョルＬＥＥ， ＳａｎｇＣｈｅｏｌ 緩み止めワッシャー
CN106795906B (zh) * 2014-08-13 2019-04-26 李相哲 防松垫圈

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