WO2015118669A1 - Washer, nut, bolt, and locking structure for said screw parts - Google Patents

Washer, nut, bolt, and locking structure for said screw parts Download PDF

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Publication number
WO2015118669A1
WO2015118669A1 PCT/JP2014/052959 JP2014052959W WO2015118669A1 WO 2015118669 A1 WO2015118669 A1 WO 2015118669A1 JP 2014052959 W JP2014052959 W JP 2014052959W WO 2015118669 A1 WO2015118669 A1 WO 2015118669A1
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WO
WIPO (PCT)
Prior art keywords
washer
nut
head
bolt
projection
Prior art date
Application number
PCT/JP2014/052959
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French (fr)
Japanese (ja)
Inventor
一夫 中島
Original Assignee
株式会社マルナカ
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Publication date
Application filed by 株式会社マルナカ filed Critical 株式会社マルナカ
Priority to PCT/JP2014/052959 priority Critical patent/WO2015118669A1/en
Priority to JP2015561122A priority patent/JP6334573B2/en
Publication of WO2015118669A1 publication Critical patent/WO2015118669A1/en

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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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object

Definitions

  • the present invention relates to screws such as washers, nuts and bolts (including bolts and the like), and a locking structure of such screws, and washers, nuts and bolts screwed into tightening members such as wood, resin plate and metal plate. Etc. can prevent (prevent) loosening of screws and the like.
  • Patent Document 1 There are various types of screw locking devices conventionally, and one having a projection that engages with another member is known (Patent Document 1).
  • a bolt having a head projection provided on the back of the bolt head is shown in Fig. 5 and a nut having a head projection provided on the back of the nut head in Fig. 6
  • No. 3 discloses a washer having a projection (a washer projection) on the washer surface that engages with the head projection. The head projection engages with the washer projection when a bolt or a nut is tightened to prevent the bolt or the nut from loosening.
  • the head projections and washer projections (sometimes referred to collectively as "protrusions") of the screws disclosed in Patent Document 1 have a chevron shape (end face shape triangle) in which the tip end portion (ridge line portion) of the projection is sharp. Since it is elongated in the radial direction of the head of a washer or a nut, a bolt, etc .: the same applies hereinafter, there is a drawback that the tip portion is easily chipped or crushed (it is easy to be chipped). The loss of the tip is not preferable because it causes the loosening of screws.
  • the problem to be solved by the present invention is that the ridges of the projections of screws, such as washers, nuts and bolts, are not easily broken, the moldings of the ridges of the press die are not easily broken, the mold has good holding performance, and many press moldings It is possible to provide a washer, a nut, a bolt, and a locking structure of those screws.
  • the screw according to the present invention is a washer and has a plurality of projections (a washer projection) radially in the circumferential direction of the surface, and the washer projection is a head of a nut or a back of a head of a bolt (including a hook and a screw).
  • the washer projection is a mountain shape having a sliding slope, a locking surface, and a ridge line portion at the intersection of both surfaces, and the sliding slope is on the near side in the tightening rotational direction of the nut or bolt than the ridge line.
  • the locking surface is ahead of the ridge line in the tightening rotation direction of the nut or bolt and is a steep slope or a vertical surface than the overpass slope, and the ridge line is an arc surface A washer, which is a (R surface shape) or planar.
  • the washer is formed on the surface thereof between the outer inner peripheral edge and the outer peripheral edge of the through hole, and a surface elevated portion which is one step higher than the outer inner peripheral edge and outer peripheral edge is formed in a ring shape. Washer with projections formed,
  • the washer is formed on the back surface between the outer inner peripheral edge and the outer peripheral edge of the through hole, and the rear surface elevated portion which is one step higher than the inner peripheral edge and the outer peripheral edge is formed in a ring shape. Is the formed washer.
  • the washer has a biting protrusion protruding at several places in the circumferential direction on the back surface, and the biting protrusion can bite into the tightening material, and the washer protrusion is a washer provided on the surface where there is no biting protrusion is there.
  • the washer is a washer in which the bite projection is tapered from the root toward the tip and the tip is arced or flat.
  • the said washer is provided with a hollow part in the root peripheral edge part of the said biting-in protrusion, and a hollow part is a washer which can enter the meat (surplus meat) which swells from an object, when a biting-in biting bites into a target object.
  • the screw according to the present invention is a nut, and is provided with a large number of projections (head projections) radially in the circumferential direction on the back surface of the head, and the head projections are radially formed in the circumferential direction of the head surface of the washer
  • the head projection of the nut passes over the inclined slope, the locking surface, and the ridge line at the intersection of both surfaces
  • the slippery slope is closer to the tightening rotation direction of the nut than the ridge, and has a gentle upward slope in the tightening rotation direction
  • the locking surface is the tightening rotation direction forward of the nut from the ridge , Which is steeper than the overpassing slope or vertical.
  • the ridge line portion is a nut characterized in that it is arc-shaped or planar.
  • the screw according to the present invention is a bolt, and is provided with a large number of projections (head projections) radially in the circumferential direction on the back surface of the head, and the head projections are radially formed in the circumferential direction of the head surface of the washer
  • the head projection of the bolt passes over the slope, the locking surface, and the ridge line at the intersection of both surfaces
  • the traveling slope is closer to the tightening rotation direction of the bolt than the ridge line, and has a gentle upward slope in the tightening rotation direction, and the locking surface is further to the tightening rotation direction of the bolt than the ridge line Yes, it is steeper or vertical than the overpass slope
  • the ridgeline portion is a bolt characterized in that it is arc-shaped or planar.
  • the screw according to the present invention is a nut washer with the washer rotatably set on the back of the nut head.
  • the screw according to the present invention is a bolted washer in which the washer is rotatably set on the back of the bolt head.
  • the screw lock structure of the present invention is a screw lock structure of a washer, bolt or the like, and the washer is any one of the above washers, and the nut has a large number of projections radially in the circumferential direction of the head back surface.
  • Head projection is provided, and the head projection can be engaged with the washer projection of the washer, and after the tightening of the nut, the engagement does not loosen (including “hard to loosen”: the same applies hereinafter)
  • the head protrusion is a mountain shape having a ridged surface provided at a crossing portion of both surfaces, provided with a landed slope of the washer projection, a landed slope capable of meshing with the locking surface, and a locking surface;
  • the overlying slope of the head projection is closer to the tightening rotation direction of the nut than the ridge line portion, and has a gentle upward inclination in the tightening rotation direction, and the locking surface of the head projection is the tightening rotation direction of the nut than the ridge line
  • the screw lock structure of the present invention is a screw lock structure of a washer, bolt or the like, and the washer is any one of the above washers, and the bolt has a large number of projections radially in the circumferential direction of the head back surface.
  • the head projection the head projection can engage with the washer projection of the washer, and after the bolt is tightened, the engagement does not loosen (including “hard to loosen”: the same applies hereinafter)
  • the head protrusion is a mountain shape having a ridged surface portion at the intersection of both surfaces, provided with a climbed slope of the washer protrusion, a climbed slope and a locking surface capable of meshing with the locking surface
  • the sliding slope of the bolt is closer to the tightening rotation direction of the bolt than the ridge line portion, and is gently inclined upward in the tightening rotation direction, and the locking surface of the head projection is on the bolt tightening rotation direction ahead of the ridge line portion, Said locking surface Than the climb over the inclined surface is or vertical surface is steep,
  • the lock structure of the washer, the nut, the bolt and the screws of the present invention has the following effects.
  • the ridges of the washer projections and the head projections are arc-shaped or planar, so that the ridges are less likely to be lost.
  • the press die is also less likely to be broken, and the mold is good (long-lasting).
  • the overlying slope of the washer projection and the head projection is gently inclined upward in the tightening and rotating direction, the clamping rotation can be smoothly performed even if the head projection and the washer projection are engaged.
  • the example of a washer in the locking structure of screws of this invention is shown, Comprising: (a) is a top view, (b) is an arrow A view of a washer protrusion of (a), (c) is a washer protrusion.
  • An end view of another example (d) is a front view of the washer of (a), (e) is a BB sectional view of (a), (f) is a bottom view of the washer, and (g) is (f) CC sectional drawing.
  • the other example of a washer in the locking structure of screws of this invention is shown, Comprising: (a) is a top view, (b) is a front view of a washer, (c) is a bottom view of a washer, (d) is.
  • FIG. 6 is an explanatory view of a square pyramidal bite projection
  • FIG. 7 (h) is a cross-sectional view taken along the line CC of FIG.
  • A) is a front view of a nut with a washer
  • B) is an assembly explanatory view of a washer on the nut
  • (c) is a partial sectional view of the nut with a washer of (a).
  • (A) is a front view of a bolt with a washer
  • (b) is a detailed view of P part of (a).
  • (A)-(c) is assembly explanatory drawing of the bolt with a washer of Fig.4 (a).
  • (A)-(c) is process explanatory drawing in the case of fixing two board
  • (A) is a front view of a nut with a head protrusion
  • (b) is a front view of a bolt with a head protrusion.
  • FIG. 2 (A) is a detailed view of the semiconical bite-in process of FIG. 2 (d), (b) is a detailed view of the semiconical bite-in process of FIG. 2 (e), and (c) is a crescent cone in FIG. (D) is a detailed view of the square-pyramidal bite of FIG. 2 (g), and (e) is a detailed view of the conical bite.
  • (A) is a vertical cross-sectional detail view of a conical bite projection
  • (b) is a vertical cross-sectional detail view of a semi-conical bite projection
  • (c) is a cross-sectional detail view of a square pyramidal bite projection.
  • FIG. 1 An example of the screw locking structure of the present invention will be described with reference to the drawings.
  • the illustrated embodiment is the case where the screw is the washer 1.
  • the washer 1 shown in FIG. 1 has an annular shape in which a through hole 2 is formed at the central portion.
  • the through hole 2 is a hole diameter through which the connecting shaft 26 (FIG. 3B), the bolt shaft 37 (FIG. 4A), and the like can be inserted.
  • the surface elevation 5 which is one step higher than the surface outer peripheral portion 4 is formed in a ring shape.
  • the back surface of the washer 1 is flat, but if necessary, a back surface elevated part higher than them is formed in a ring shape between the outside of the through hole 2 and the outer peripheral edge of the washer 1 as well as the washer surface. You can also
  • a large number of mountain-shaped washer protrusions 6 (FIG. 1 (a)) are formed at four places in the circumferential direction of the surface elevated portion 5, and between the washer protrusions 6, a protrusion-free portion 7 without washer protrusions is formed. .
  • Biting-in protrusions 8 are provided in a protruding manner at four positions on the back surface of the non-protruding portion 7.
  • the washer protrusions 6 at four places in FIG. 1 are formed in the circumferential direction of the surface elevated portion 5.
  • Each washer projection 6 is in the shape of a mountain, and includes a climbing slope 9 (FIG. 1B), a locking surface 10 and a ridge portion 11.
  • the slippery slope 9 (FIG. 1B) is formed on the near side in the tightening direction with respect to the ridgeline portion 11, the locking surface 10 is formed forward of the ridgeline portion 11 in the tightening direction, and the ridgeline 11 is a slippery slope 9 And the locking surface 10 (at the top of a mountain).
  • the top portion of the ridgeline portion 11 is arc-shaped (Fig. 1 (b)) or planar ((Fig.
  • the ridge line portion of the press die for molding the washer 1 is less likely to be broken during molding, and the mold is held (long-lasting).
  • the plurality of washer projections 6 have the same shape.
  • the projection dimension of the washer projection 6, the inclination angle of the overrun slope 9, the angle of the locking surface 10, the arc radius of the ridge 11 and the plane width in the case of a plane etc. are appropriately determined according to the size of the washer 1, use, etc. It can be designed.
  • the inclination angle (gradient) of the climbing slope 9 is preferably about 10 to 60 degrees, and the angle of the locking surface 11 is preferably about 70 to 90 degrees.
  • the bite projections 8 can have various shapes. Some examples are shown in FIGS. 2 (d)-(g).
  • the bite projections 8 are provided at four places on the back surface of the washer 1 in the circumferential direction (FIGS. 2A to 2C).
  • the biting projection 8 bites into a member to be tightened or connected (hereinafter referred to as “object”) 40 and 41 (FIGS. 6A to 6C) when the washer 1 is tightened and rotated.
  • the shape is such a shape that is easy to bite into the objects 40 and 41 at the time of tightening and rotation, for example, semi-conical (Fig. 2 (d) (e), Fig. 9 (a) (b)), crescent moon (Fig.
  • the root 8c (FIGS. 9A to 9E) is thick and the tip 8a is tapered (in the present invention, the cross-sectional shape is a crescent and the tip is tapered). It is called a cone shape).
  • the tip 8a of the biting projection 8 is in the form of an arc (FIG. 1 (g), FIG. 10 (a)) or planar (FIG. 2 (h), FIG. 10 (b)). It is difficult to do so and to make it difficult to chip the tip molding portion of the press die.
  • the outer peripheral surface corner 8b is also made arc-like (FIG. 10 (c)) or flat to make it difficult to chip at the time of biting, making it difficult to chip the press die. , To have a type.
  • the bite projection 8 of FIG. 2 (d) is semi-conical as shown in FIG. 9 (a), and its flat portion 8d is made to project from the center line (X-X) of the washer 1.
  • FIG. 2 (e) is also semi-conical, the difference from FIG. 2 (d) is that the flat portion 8d of the biting projection 8 is exposed to the outer peripheral surface 5a of the surface elevated portion 5 (the outer peripheral surface 5a And on the same side).
  • the tip end portion 8a is shaped like an arc or a plane so that the above effect can be obtained.
  • the bite projection 8 shown in FIG. 2 (f) has a crescent cone shape as shown in FIG. 9 (c).
  • the biting projection 8 is also provided with its curved portion (curved surface) 8 e protruding inward from the center line (XX) of the washer 1. If the tip 8a of the biting projection 8 is made arc-shaped (FIG. 1 (g), FIG. 10 (a)) or planar (FIG. 2 (h), FIG. 10 (b)), the above effect can be obtained It is done like that.
  • the bite projection 8 shown in FIG. 2 (g) is a quadrangular pyramid, and the tip 8a is arc-shaped (FIG. 1 (g), FIG. 10 (a)) or planar (FIG. 2 (h), FIG. 10 (b). ), And the four outer peripheral surface corner portions (ridge portions) 8b are also formed in an arc surface (FIG. 10 (c)) or in a planar shape (octagonal pyramid), and both the front end portion 8a and the outer peripheral surface corner portion 8b It becomes difficult to chip at the time of tightening, and it becomes difficult to chip these molding points of the press die, so that the mold is held.
  • a recess 13 is formed on the back surface of the washer 1 at the roots 8c (FIGS. 2 (d) to 2 (h) and FIGS. 9 (a) to 3 (e)) of the bite projections 8.
  • the depressed portion 13 is formed by pressing the back surface of the washer 1 with a press die and projecting the biting projection 8 (protruding as the biting projection 8 by the amount depressed by the pressure). If the depression 13 is present, the biting projection 8 can fully bite into the objects 40 and 41 (FIGS. 6A to 6C) up to the root 8c at the time of tightening, and the objects 40 and 41 swell up by the biting.
  • Meat (surplus meat) gets into the depression 13 and bites it into the washer 1 so that it is difficult for the washer 1 to reverse (hard to loosen).
  • the recess 13 in FIG. 1 (f) is formed in a circular shape all around the root 8c of the biting projection 8, it may have any other shape or area as long as it can be molded by pushing out the biting projection 8. .
  • FIGS. 3 (a) to 3 (c) Another example of the screw locking structure of the present invention is shown in FIGS. 3 (a) to 3 (c).
  • the screw in this figure is the case of a nut 25 with a washer in which the washer 1 is rotatably incorporated on the back side of the nut 20.
  • This washer 1 is the washer of FIG. 1 (a).
  • a head protrusion 21 is formed on the back surface of the nut 20.
  • the head projection 21 has a mountain shape including a climbing slope 22, a locking surface 23 and a ridge line portion 24, and the inclination angle of the climbing slope 22 and the locking surface 23, the height of the ridge line 24, etc.
  • the washer projection 6 can be engaged.
  • the head protrusion 21 rotates in the tightening direction of the nut 20
  • the head protrusion 21 rides over the climb slope 9 of the washer protrusion 6 and rotates, but in the reverse direction
  • the locking surface 23 of the head protrusion 21 is the locking surface of the washer protrusion 6 It is locked to 10 so that rotation is blocked.
  • the ridge line portion 24 of the head projection 21 is also formed into an arc surface or planar shape so that the head projection 21 is less likely to be broken even if it passes over the washer projection 6, and the press die is also less likely to be broken during molding.
  • the head protrusion 21 of the nut 20 engages with the washer protrusion 6 of the washer 1 to make the washer 1 an object 40, 41 (FIG. 6A).
  • the bite projections 8 on the back surface of the washer 1 can be made to bite into those objects by pressing them against (a) to (c). In this case, the meat of the objects 40 and 41 raised by the biting of the biting projection 8 enters the recess 13 and the loose rotation (return rotation) is prevented.
  • the washer nut 25 shown in FIG. 3 (a) can be manufactured, for example, in the steps shown in FIGS. 3 (a) to 3 (c).
  • (1) The connecting shaft 26 protruding from the back surface of the nut 1 is inserted into the through hole 2 of the washer 1 (FIG. 3 (b)).
  • FIG. 3 Another example of the screw locking structure of the present invention is shown in FIG.
  • the screw in this figure is a bolt 36 with a washer in which the washer 1 is incorporated on the back side of the head 31 of the bolt 30.
  • This washer 1 is the washer of FIG. 1 (a).
  • a head projection 32 is formed on the back of the head 31 of the bolt 30.
  • the head projection 32 has a mountain shape including a climbing slope 33, a locking surface 34, and a ridge line 35.
  • the size of the climbing slope 33 and locking surface 34, the inclination angle, etc. are the same as the washer projection 6 of the washer 1.
  • the surface 34 is locked to the locking surface 10 of the washer projection 6 to prevent rotation.
  • the top portion of the ridge portion 35 is also formed in an arc or planar shape so that it is difficult for the head projection 32 to break even if it passes over the washer protrusion 6 and to make it difficult for the ridge portion forming portion of the press die to be broken during molding. is there.
  • the bolt 36 with a washer shown in FIG. 4A can be manufactured, for example, in the steps shown in FIGS. 5A to 5C.
  • Insert a bolt shaft (shaft without screw) 37 (FIG. 5 (b)) projecting from the back of the head 31 of the bolt 30 into the through hole 2 of the washer 1 (FIG. 5 (b)).
  • the screw 38 (FIG. 5 (c)) is cut on the outer surface of the bolt shaft 37 projecting downward of the washer 1 and the washer 1 is attached (prevents removal). In this case, the washer 1 is rotatable.
  • the washer nut 25 of FIG. 3 (a) and the washer bolt 36 of FIG. 4 (a) can be used, for example, as shown in FIGS. 6 (a) to 6 (c).
  • the bolt shaft 37 of the bolt 36 with a washer is inserted as shown in FIG. 6 (b) from above the two stacked plate materials (objects) 40 and 41.
  • the bite projection 8 of the washer 1 is made to bite into the lower plate 40, and the meat raised by the bite enters the recess 13 (FIG.
  • FIG. 7 (a) Another example of the screw locking structure of the present invention is shown in FIG. 7 (a).
  • the screws in this figure are the case of a nut, and this nut 20 is one in which the washer 1 is not attached to the nut 20 of FIG. 3 (a). Therefore, the head projection 21 is a mountain shape having the overturn slope 22, the locking surface 23, and the ridge portion 24, and the size of the overrun slope 22, the locking surface 23, the inclination angle, etc. are washers 1 (FIG. 1 (a)). In the same manner as the washer projection 6 of FIG.
  • the top portion of the ridge portion 24 is also formed into an arc or planar shape so that it is difficult to lose the head projection 21 even if it passes over the washer protrusion 6 so that the ridge portion molding location of the press die is also less likely to be lost during molding. is there.
  • FIG. 7 (b) Another example of the screw locking structure of the present invention is shown in FIG. 7 (b).
  • the screws in this figure are in the case of bolts, and the bolts 30 are those in which the washer 1 is not attached to the bolts 30 of FIG. 4 (a). Therefore, the head projection 32 is a mountain shape having the overturned slope 33, the locking surface 34, and the ridgeline portion 35, and the size of the overrun slope 33, the locking surface 34, the inclination angle, etc. is the washer 1 (FIG. 1 (a)).
  • the top portion of the ridge portion 35 is also formed into an arc or planar shape so that it is difficult for the head projection 32 to break even if it passes over the washer projection 6 and to make it difficult for the ridge portion molding location of the press die to be lost during molding. is there.
  • the nut 20 of FIG. 7 (a) and the bolt 30 of FIG. 7 (b) can be used as shown in FIG. (1)
  • the washer 1 of FIG. 1 (a) is placed on the bolt shaft 37 projecting downward, and the nut 20 of FIG. 7 (a) is screwed onto the bolt shaft 37 from below.
  • the bolt 30 can be tightened. In this case as well, it can be tightened in the same manner as tightening the nut, and reverse rotation (return rotation) is prevented.
  • the root portion 21a of the head projection 21 and the root portion 6a (FIG. 3 (b), FIG. 4 (b)) of the washer projection 6 which interlock with each other are also formed in an arc or plane. It is also possible to make it difficult for the root portion molding site to be broken.
  • the screws relate to a washer, a nut, a bolt, a washer with a nut, a washer with a bolt, and a locking structure of those screws, but the locking structure of the screws of the present invention is a screw other than these. It can also be a locking structure of a kind (e.g., a heel of a golf shoe).

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

Abstract

This washer is provided with a through hole at the center, is provided with a plurality of radial washer protrusions in the peripheral direction of the obverse surface thereof, the washer protrusions can mesh with a plurality of head protrusions formed radially in the peripheral direction of the reverse surface of the head of a nut or the reverse surface of the head of a bolt, and after the tightening of the nut or bolt the meshing is caused not to loosen. The washer protrusion has a mountain shape provided with a ridge line section at the intersection of the two planes that are a climb-over inclined surface and a locking surface, the climb-over inclined surface is closer in the direction of tightening rotation of the nut or bolt compared to the ridge line section and has a moderate rising inclination in the direction of tightening rotation, the locking surface is at the leading side in the direction of tightening rotation of the nut or bolt compared to the ridge line section and is a perpendicular surface or a sharply inclined surface compared to the climb-over inclined surface, and the ridge line section has an arced surface shape (R-surface shape) or a planar shape.

Description

座金、ナット、ボルト、それら螺子類の緩み止め構造Locking structure for washers, nuts, bolts and screws
　本発明は座金、ナット、ボルト（鋲等を含む）等の螺子類と、それら螺子類の緩み止め構造に関し、木材、樹脂製の板材、金属板等の締付け材にねじ込んだ座金、ナット、ボルト等の螺子類の緩みを防止（阻止）できるものである。 The present invention relates to screws such as washers, nuts and bolts (including bolts and the like), and a locking structure of such screws, and washers, nuts and bolts screwed into tightening members such as wood, resin plate and metal plate. Etc. can prevent (prevent) loosening of screws and the like.
　螺子類の緩み止め構造は従来から各種あり、他の部材と噛み合う突起が設けられたものが知られている（特許文献１）。同文献の図５（ａ）（ｂ）にはボルト頭部の裏面に頭部突起が設けられたボルトが、図６にはナット頭部の裏面に頭部突起が設けられたナットが、図３には座金表面に前記頭部突起と噛み合う突起（座金突起）を備えた座金が開示されている。前記頭部突起はボルト又はナットを締め付けると前記座金突起と噛み合って、ボルト又はナットの緩みを防止できるようにしたものである。 There are various types of screw locking devices conventionally, and one having a projection that engages with another member is known (Patent Document 1). In Fig. 5 (a) and (b) of the same document, a bolt having a head projection provided on the back of the bolt head is shown in Fig. 5 and a nut having a head projection provided on the back of the nut head in Fig. 6 No. 3 discloses a washer having a projection (a washer projection) on the washer surface that engages with the head projection. The head projection engages with the washer projection when a bolt or a nut is tightened to prevent the bolt or the nut from loosening.
特許第３４７４３４１号公報Patent No. 3474341
　前記特許文献１に開示された螺子類の頭部突起や座金突起（まとめて「突起」ということがある）は、いずれも、突起の先端部（稜線部）が先鋭な山形（端面形状三角形で、座金或いはナット、ボルト等の頭部の径方向に細長：以下同じ）であるため、先端部が欠けたり潰れたりしやすい（欠損し易い）という難点がある。先端部の欠損は螺子類の緩みの原因となり好ましくない。また、それら螺子類を成型するプレス金型の稜線部成型箇所も先鋭であるため、当該部分が欠損しやすく、型持ちしにくい（プレス可能回数が少ない）という難点がある。プレス金型の欠損は成型される製品の精度低下にもつながり、緩みの原因にもなり、好ましくない。 The head projections and washer projections (sometimes referred to collectively as "protrusions") of the screws disclosed in Patent Document 1 have a chevron shape (end face shape triangle) in which the tip end portion (ridge line portion) of the projection is sharp. Since it is elongated in the radial direction of the head of a washer or a nut, a bolt, etc .: the same applies hereinafter, there is a drawback that the tip portion is easily chipped or crushed (it is easy to be chipped). The loss of the tip is not preferable because it causes the loosening of screws. Moreover, since the ridge line part molding location of the press metal mold | die which shape | molds these screws is also sharp, the said part is easy to be missing and there exists a problem that it is hard to have a type | mold (it can press few times). The loss of the press die leads to a reduction in the precision of the product to be molded, and also causes a loosening, which is not preferable.
　本発明の解決課題は、座金、ナット、ボルト等の螺子類の突起の稜線部が欠損し難く、プレス金型の稜線部成型箇所が欠損し難く、型持ちが良く、多数回のプレス成型ができる座金、ナット、ボルトと、それら螺子類の緩み止め構造を提供することにある。 The problem to be solved by the present invention is that the ridges of the projections of screws, such as washers, nuts and bolts, are not easily broken, the moldings of the ridges of the press die are not easily broken, the mold has good holding performance, and many press moldings It is possible to provide a washer, a nut, a bolt, and a locking structure of those screws.
　本発明の螺子類は座金であり、その表面周方向に放射状に多数本の突起（座金突起）を備え、その座金突起はナットの頭部又はボルト（鋲、螺子を含む）の頭部の裏面周方向に放射状に形成されている多数本の山形の頭部突起と噛み合うことができ、ナット又はボルトの締め付け後は前記噛み合いが緩まない（「緩み難い」を含む：以下同じ）ようにした座金において、前記座金突起は乗り越え斜面と、係止面と、両面の交差部に稜線部を備えた山形であり、乗り越え斜面は稜線部よりもナット又はボルトの締め付け回転方向手前にあり、前記締付け回転方向に緩やかな上り傾斜であり、係止面は稜線部よりもナット又はボルトの締め付け回転方向先方にあり、前記乗り越え斜面よりも急斜面であるか又は垂直面であり、前記稜線部は弧面状（Ｒ面状）又は平面状であることを特徴とする座金である。 The screw according to the present invention is a washer and has a plurality of projections (a washer projection) radially in the circumferential direction of the surface, and the washer projection is a head of a nut or a back of a head of a bolt (including a hook and a screw). A washer which can engage with a large number of circumferentially formed chevron-shaped head projections and does not loosen after the tightening of a nut or bolt (including “hard to loosen”: hereinafter the same) In the above, the washer projection is a mountain shape having a sliding slope, a locking surface, and a ridge line portion at the intersection of both surfaces, and the sliding slope is on the near side in the tightening rotational direction of the nut or bolt than the ridge line. It has a gentle upward slope in the direction, and the locking surface is ahead of the ridge line in the tightening rotation direction of the nut or bolt and is a steep slope or a vertical surface than the overpass slope, and the ridge line is an arc surface A washer, which is a (R surface shape) or planar.
　前記座金は、その表面であって貫通孔の外側内周縁と外周縁との間に、それら外側内周縁及び外周縁よりも一段高い表面高台部がリング状に形成され、その表面高台部に座金突起が形成された座金である、 The washer is formed on the surface thereof between the outer inner peripheral edge and the outer peripheral edge of the through hole, and a surface elevated portion which is one step higher than the outer inner peripheral edge and outer peripheral edge is formed in a ring shape. Washer with projections formed,
　前記座金は、その裏面であって貫通孔の外側内周縁と外周縁との間に、それら内周縁及び外周縁よりも一段高い裏面高台部がリング状に形成され、その裏面高台部に食い込み突起が形成された座金である。 The washer is formed on the back surface between the outer inner peripheral edge and the outer peripheral edge of the through hole, and the rear surface elevated portion which is one step higher than the inner peripheral edge and the outer peripheral edge is formed in a ring shape. Is the formed washer.
　前記座金は、その裏面の周方向数箇所に食い込み突起が突設され、食い込み突起は締付け材に食い込み可能であり、座金突起はその表面であって前記食い込み突起のない箇所に設けられた座金である。 The washer has a biting protrusion protruding at several places in the circumferential direction on the back surface, and the biting protrusion can bite into the tightening material, and the washer protrusion is a washer provided on the surface where there is no biting protrusion is there.
　前記座金は、その食い込み突起が、根元から先端に向けて先細りであり、先端部が弧面状又は平面状である座金である。 The washer is a washer in which the bite projection is tapered from the root toward the tip and the tip is arced or flat.
　前記座金は、前記食い込み突起の根元周縁部に窪み部を備え、窪み部は、食い込み突起が対象物に食い込むことにより対象物から盛り上がる肉（盛り上がり肉）が入ることができる座金である。 The said washer is provided with a hollow part in the root peripheral edge part of the said biting-in protrusion, and a hollow part is a washer which can enter the meat (surplus meat) which swells from an object, when a biting-in biting bites into a target object.
　本発明の螺子類はナットであり、その頭部の裏面周方向に放射状に多数本の突起（頭部突起）を備え、その頭部突起は座金の頭部表面周方向に放射状に形成されている多数本の座金突起と噛み合うことができ、座金への締め付け後は前記噛み合いが緩まないようにしたナットにおいて、ナットの頭部突起は乗り越え斜面と、係止面と、両面の交差部に稜線部を備えた山形であり、乗り越え斜面は稜線部よりもナットの締め付け回転方向手前にあり、前記締付け回転方向に緩やかな上り傾斜であり、係止面は稜線部よりもナットの締め付け回転方向先方にあり、前記乗り越え斜面よりも急斜面であるか又は垂直面であり、
　前記稜線部は弧面状又は平面状であることを特徴とするナットである。 The screw according to the present invention is a nut, and is provided with a large number of projections (head projections) radially in the circumferential direction on the back surface of the head, and the head projections are radially formed in the circumferential direction of the head surface of the washer In the nut that can engage with a large number of washer projections and prevent the engagement from loosening after tightening to the washer, the head projection of the nut passes over the inclined slope, the locking surface, and the ridge line at the intersection of both surfaces The slippery slope is closer to the tightening rotation direction of the nut than the ridge, and has a gentle upward slope in the tightening rotation direction, and the locking surface is the tightening rotation direction forward of the nut from the ridge , Which is steeper than the overpassing slope or vertical.
The ridge line portion is a nut characterized in that it is arc-shaped or planar.
　本発明の螺子類はボルトであり、その頭部の裏面周方向に放射状に多数本の突起（頭部突起）を備え、その頭部突起は座金の頭部表面周方向に放射状に形成されている多数本の座金突起と噛み合うことができ、ボルトの締め付け後は前記噛み合いが緩まないようにしたボルトにおいて、ボルトの頭部突起は乗り越え斜面と、係止面と、両面の交差部に稜線部を備えた山形であり、乗り越え斜面は稜線部よりもボルトの締め付け回転方向手前にあり、前記締付け回転方向に緩やかな上り傾斜であり、係止面は稜線部よりもボルトの締め付け回転方向先方にあり、前記乗り越え斜面よりも急斜面であるか又は垂直面であり、
　前記稜線部は弧面状又は平面状であることを特徴とするボルトである。 The screw according to the present invention is a bolt, and is provided with a large number of projections (head projections) radially in the circumferential direction on the back surface of the head, and the head projections are radially formed in the circumferential direction of the head surface of the washer In the bolt which can be engaged with a large number of washer projections and the engagement is prevented from loosening after tightening the bolt, the head projection of the bolt passes over the slope, the locking surface, and the ridge line at the intersection of both surfaces The traveling slope is closer to the tightening rotation direction of the bolt than the ridge line, and has a gentle upward slope in the tightening rotation direction, and the locking surface is further to the tightening rotation direction of the bolt than the ridge line Yes, it is steeper or vertical than the overpass slope,
The ridgeline portion is a bolt characterized in that it is arc-shaped or planar.
　本発明の螺子類は前記座金が前記ナット頭部の裏面に回転可能にセットされたナット付き座金である。 The screw according to the present invention is a nut washer with the washer rotatably set on the back of the nut head.
　本発明の螺子類は前記座金が前記ボルト頭部の裏面に回転可能にセットされたボルト付き座金である。 The screw according to the present invention is a bolted washer in which the washer is rotatably set on the back of the bolt head.
　本発明の螺子類の緩み止め構造は、座金、ボルト等のネジ類の緩み止め構造であり、座金が前記いずれかの座金であり、ナットはその頭部裏面周方向に放射状に多数本の突起（頭部突起）を備え、その頭部突起は座金の座金突起と噛み合うことができるものであり、ナットの締め付け後は前記噛み合いが緩まない（「緩み難い」を含む：以下同じ）ようにした螺子類の緩み止め構造において、前記頭部突起は、座金突起の乗り越え斜面、係止面と噛み合い可能な乗り越え斜面及び係止面を備え、両面の交差部に稜線部を備えた山形であり、頭部突起の乗り越え斜面は稜線部よりもナットの締め付け回転方向手前にあり、前記締付け回転方向に緩やかな上り傾斜であり、前記頭部突起の係止面は稜線部よりもナットの締め付け回転方向先方にあり、前記係止面は前記乗り越え斜面よりも急斜面であるか又は垂直面であり、前記稜線部が弧面状（Ｒ面状）又は平面状であることを特徴とする螺子類の緩み止め構造である。 The screw lock structure of the present invention is a screw lock structure of a washer, bolt or the like, and the washer is any one of the above washers, and the nut has a large number of projections radially in the circumferential direction of the head back surface. (Head projection) is provided, and the head projection can be engaged with the washer projection of the washer, and after the tightening of the nut, the engagement does not loosen (including “hard to loosen”: the same applies hereinafter) In the screw locking structure, the head protrusion is a mountain shape having a ridged surface provided at a crossing portion of both surfaces, provided with a landed slope of the washer projection, a landed slope capable of meshing with the locking surface, and a locking surface; The overlying slope of the head projection is closer to the tightening rotation direction of the nut than the ridge line portion, and has a gentle upward inclination in the tightening rotation direction, and the locking surface of the head projection is the tightening rotation direction of the nut than the ridge line portion Ahead And the locking surface is a steeper slope or a vertical surface than the overlying slope, and the ridge line portion is an arc surface (R surface) or a planar shape. It is.
　本発明の螺子類の緩み止め構造は、座金、ボルト等のネジ類の緩み止め構造であり、座金は前記いずれかの座金であり、ボルトはその頭部裏面周方向に放射状に多数本の突起（頭部突起）を備え、その頭部突起は座金の座金突起と噛み合うことができ、ボルトの締め付け後は前記噛み合いが緩まない（「緩み難い」を含む：以下同じ）ようにした螺子類の緩み止め構造において、前記頭部突起は、座金突起の乗り越え斜面、係止面と噛み合い可能な乗り越え斜面及び係止面を備え、両面の交差部に稜線部を備えた山形であり、頭部突起の乗り越え斜面は稜線部よりもボルトの締め付け回転方向手前にあり、前記締め付け回転方向に緩やかな上り傾斜であり、頭部突起の係止面は稜線部よりもボルトの締め付け回転方向先方にあり、前記係止面は前記乗り越え斜面よりも急斜面であるか又は垂直面であり、
　前記稜線部は弧面状（Ｒ面状）又は平面状であることを特徴とする螺子類の緩み止め構造である。 The screw lock structure of the present invention is a screw lock structure of a washer, bolt or the like, and the washer is any one of the above washers, and the bolt has a large number of projections radially in the circumferential direction of the head back surface. (The head projection), the head projection can engage with the washer projection of the washer, and after the bolt is tightened, the engagement does not loosen (including “hard to loosen”: the same applies hereinafter) In the locking structure, the head protrusion is a mountain shape having a ridged surface portion at the intersection of both surfaces, provided with a climbed slope of the washer protrusion, a climbed slope and a locking surface capable of meshing with the locking surface, The sliding slope of the bolt is closer to the tightening rotation direction of the bolt than the ridge line portion, and is gently inclined upward in the tightening rotation direction, and the locking surface of the head projection is on the bolt tightening rotation direction ahead of the ridge line portion, Said locking surface Than the climb over the inclined surface is or vertical surface is steep,
The ridge line portion is an arc-shaped (R-shaped) or flat shape, and is a screw locking structure characterized in that
　本発明の座金、ナット、ボルト、それら螺子類の緩み止め構造は、次の効果を奏する。
　（１）座金突起と頭部突起の稜線部が弧面状又は平面状であるため、稜線部が欠損し難い。また、プレス金型も欠損し難く、型持ちがよい（長持ちする）。
　（２）座金突起と頭部突起との乗り越え斜面が、締め付け回転方向に緩やかな上り傾斜であるため、頭部突起と座金突起が噛み合っても、締め付け回転はスムースに行うことができる。
　（３）座金突起と頭部突起の係止面が、乗り越え斜面よりも急斜面であるか又は垂直面であるため、螺子類の締め付け完了後は、螺子類の係止面と座金の係止面とが係止して緩み回転が阻止される（緩み難くなる）。 The lock structure of the washer, the nut, the bolt and the screws of the present invention has the following effects.
(1) The ridges of the washer projections and the head projections are arc-shaped or planar, so that the ridges are less likely to be lost. In addition, the press die is also less likely to be broken, and the mold is good (long-lasting).
(2) Since the overlying slope of the washer projection and the head projection is gently inclined upward in the tightening and rotating direction, the clamping rotation can be smoothly performed even if the head projection and the washer projection are engaged.
(3) Since the locking surface of the washer projection and the head projection is a steep slope or a vertical surface than the climbing slope, after the tightening of the screws is completed, the locking surface of the screws and the locking surface of the washer Is locked to prevent loose rotation (it becomes difficult to loosen).
本発明の螺子類の緩み止め構造における座金の一例を示すものであって、（ａ）は平面図、（ｂ）は（ａ）の座金突起のＡ矢視図、（ｃ）は座金突起の他例の端面図、（ｄ）は（ａ）の座金の正面図、（ｅ）は（ａ）のＢ－Ｂ断面図、（ｆ）は座金の底面図、（ｇ）は（ｆ）のＣ－Ｃ断面図。The example of a washer in the locking structure of screws of this invention is shown, Comprising: (a) is a top view, (b) is an arrow A view of a washer protrusion of (a), (c) is a washer protrusion. An end view of another example, (d) is a front view of the washer of (a), (e) is a BB sectional view of (a), (f) is a bottom view of the washer, and (g) is (f) CC sectional drawing. 本発明の螺子類の緩み止め構造における座金の他例を示すものであって、（ａ）は平面図、（ｂ）は座金の正面図、（ｃ）は座金の底面図、（ｄ）は座金の半円錐状食い込み突起の説明図、（ｅ）は半円錐状食い込み突起の平面側を座金の外周面に臨ませて設けた状態の説明図、（ｆ）は三日月錐状食い込み突起の説明図、（ｇ）は四角錐状食い込み突起の説明図、（ｈ）は（ｃ）のＣ－Ｃ断面図。The other example of a washer in the locking structure of screws of this invention is shown, Comprising: (a) is a top view, (b) is a front view of a washer, (c) is a bottom view of a washer, (d) is. Explanatory view of the semiconical bite-in protrusion of the washer, (e) is an explanatory view of a state in which the flat side of the semiconical bite-in protrusion faces the outer peripheral surface of the washer, (f) is an explanation of the crescent cone-like bite-in protrusion FIG. 6 (g) is an explanatory view of a square pyramidal bite projection, and FIG. 7 (h) is a cross-sectional view taken along the line CC of FIG. （ａ）は座金付きナットの正面図、（ｂ）はナットへの座金の組み立て説明図、（ｃ）は（ａ）の座金付きナットの一部断面図。(A) is a front view of a nut with a washer, (b) is an assembly explanatory view of a washer on the nut, and (c) is a partial sectional view of the nut with a washer of (a). （ａ）は座金付きボルトの正面図、（ｂ）は（ａ）のＰ部の詳細図。(A) is a front view of a bolt with a washer, (b) is a detailed view of P part of (a). （ａ）～（ｃ）は図４（ａ）の座金付きボルトの組み立て説明図。(A)-(c) is assembly explanatory drawing of the bolt with a washer of Fig.4 (a). （ａ）～（ｃ）は図３の座金付きナットと図４（ａ）の座金付きボルトで二枚の板材を固定する場合の工程説明図(A)-(c) is process explanatory drawing in the case of fixing two board | plate materials by the nut with a washer of FIG. 3, and the bolt with a washer of FIG. 4 (a) （ａ）は頭部突起付きナットの正面図、（ｂ）は頭部突起付きボルトの正面図。(A) is a front view of a nut with a head protrusion, (b) is a front view of a bolt with a head protrusion. 図７（ａ）の座金付きナットと、図７（ｂ）の座金付きボルトの使用説明図。Use explanatory drawing of the nut with a washer of FIG. 7 (a), and the bolt with a washer of FIG.7 (b). （ａ）は図２（ｄ）の半円錐状食い込み突起の詳細図、（ｂ）は図２（ｅ）の半円錐状食い込み突起の詳細図、（ｃ）は図２（ｆ）の三日月錐状食い込み突起の詳細図、（ｄ）は図２（ｇ）の四角錐状食い込み突起の詳細図、（ｅ）は円錐状食い込み突起の詳細図。(A) is a detailed view of the semiconical bite-in process of FIG. 2 (d), (b) is a detailed view of the semiconical bite-in process of FIG. 2 (e), and (c) is a crescent cone in FIG. (D) is a detailed view of the square-pyramidal bite of FIG. 2 (g), and (e) is a detailed view of the conical bite. （ａ）は円錐状食い込み突起の縦断面詳細図、（ｂ）は半円錐状食い込み突起の縦断面詳細図、（ｃ）は四角錐状食い込み突起の横断面詳細図。(A) is a vertical cross-sectional detail view of a conical bite projection, (b) is a vertical cross-sectional detail view of a semi-conical bite projection, and (c) is a cross-sectional detail view of a square pyramidal bite projection.
　（実施形態１：座金）
　本発明の螺子類の緩み止め構造の一例を、図面を参照して説明する。図示した実施形態は、螺子類が座金１の場合である。図１に示す座金１は中央部に貫通孔２が形成された環状である。貫通孔２は連結軸２６（図３（ｂ））、ボルト軸３７（図４（ａ））等を挿通可能な孔径である。 (Embodiment 1: Washer)
An example of the screw locking structure of the present invention will be described with reference to the drawings. The illustrated embodiment is the case where the screw is the washer 1. The washer 1 shown in FIG. 1 has an annular shape in which a through hole 2 is formed at the central portion. The through hole 2 is a hole diameter through which the connecting shaft 26 (FIG. 3B), the bolt shaft 37 (FIG. 4A), and the like can be inserted.
　座金１の表面であって貫通孔２の外側の表面内周縁３（図１（ｄ））と、座金１の表面外周部４（図１（ｄ））との間に、それら表面内周縁３及び表面外周部４よりも一段高い表面高台部５がリング状に形成されている。 Between the surface inner peripheral edge 3 (FIG. 1 (d)) of the outer surface of the through hole 2 which is the surface of the washer 1 and the surface outer peripheral portion 4 (FIG. 1 (d)) of the washer 1 The surface elevation 5 which is one step higher than the surface outer peripheral portion 4 is formed in a ring shape.
　座金１の裏面は平坦であるが、必要であれば、座金表面と同様に、貫通孔２の外側と座金１の外周縁との間に、それらよりも一段高い裏面高台部をリング状に形成することもできる。 The back surface of the washer 1 is flat, but if necessary, a back surface elevated part higher than them is formed in a ring shape between the outside of the through hole 2 and the outer peripheral edge of the washer 1 as well as the washer surface. You can also
　（座金突起）
　前記表面高台部５の周方向四箇所には山形の座金突起６（図１（ａ））が多数本形成され、座金突起６の間に、座金突起のない突起なし部７が形成されている。この突起なし部７の裏面四箇所に食い込み突起８が突設されている。 (Washer projection)
A large number of mountain-shaped washer protrusions 6 (FIG. 1 (a)) are formed at four places in the circumferential direction of the surface elevated portion 5, and between the washer protrusions 6, a protrusion-free portion 7 without washer protrusions is formed. . Biting-in protrusions 8 are provided in a protruding manner at four positions on the back surface of the non-protruding portion 7.
　図１の四箇所の座金突起６は、表面高台部５の周方向に形成されている。個々の座金突起６は山形であり、乗り越え斜面９（図１（ｂ））と、係止面１０と、稜線部１１を備えている。乗り越え斜面９（図１（ｂ））は稜線部１１よりも締め付け回転方向手前側に形成され、係止面１０は稜線部１１よりも締め付け回転方向先方に形成され、稜線部１１は乗り越え斜面９と係止面１０の交差部（山の頂部）に形成されている。稜線部１１の頂部は弧面状（図１（ｂ））或いは平面状（（図１（ｃ））にして、ボルトやナット等の螺子類の突起（頭部突起）との噛み合いにより欠け難くなり潰れ難くなる（欠損し難くなる）ようにしてある。また、座金1を成型するプレス金型の稜線部成型箇所が成型時に欠損し難くなって型持ち（長持ち）するようにしてある。 The washer protrusions 6 at four places in FIG. 1 are formed in the circumferential direction of the surface elevated portion 5. Each washer projection 6 is in the shape of a mountain, and includes a climbing slope 9 (FIG. 1B), a locking surface 10 and a ridge portion 11. The slippery slope 9 (FIG. 1B) is formed on the near side in the tightening direction with respect to the ridgeline portion 11, the locking surface 10 is formed forward of the ridgeline portion 11 in the tightening direction, and the ridgeline 11 is a slippery slope 9 And the locking surface 10 (at the top of a mountain). The top portion of the ridgeline portion 11 is arc-shaped (Fig. 1 (b)) or planar ((Fig. 1 (c)) and is less likely to be chipped due to engagement with projections (head projections) of screws such as bolts and nuts. In addition, the ridge line portion of the press die for molding the washer 1 is less likely to be broken during molding, and the mold is held (long-lasting).
　多数本の座金突起６は同じ形状である。座金突起６の突出寸法、乗り越え斜面９の傾斜角度、係止面１０の角度、稜線部１１の弧面半径、平面状の場合の平面幅等は座金１の大きさ、用途等に応じて適宜設計することができる。乗り越え斜面９の傾斜角度（勾配）は１０～６０度程度、係止面１１の角度は７０～９０度程度が好ましい。 The plurality of washer projections 6 have the same shape. The projection dimension of the washer projection 6, the inclination angle of the overrun slope 9, the angle of the locking surface 10, the arc radius of the ridge 11 and the plane width in the case of a plane etc. are appropriately determined according to the size of the washer 1, use, etc. It can be designed. The inclination angle (gradient) of the climbing slope 9 is preferably about 10 to 60 degrees, and the angle of the locking surface 11 is preferably about 70 to 90 degrees.
　（食い込み突起）
　食い込み突起８は各種形状とすることができる。その数例を図２（ｄ）～（ｇ）に示す。食い込み突起８は座金１の裏面周方向四箇所に突設されている（図２（ａ）～（ｃ））。食い込み突起８は、座金１の締付け回転時に、締付ける部材或いは連結する部材（以下「対象物」という）４０、４１（図６（ａ）～（ｃ））に食い込むものである。その形状は、締付け回転時に対象物４０、４１に食い込み易い形状、例えば、半円錐状（図２（ｄ）（ｅ）、図９（ａ）（ｂ））、三日月錐状（図２（ｆ）、図９（ｃ））、四角錐状（図２（ｇ）、図９（ｄ））、円錐状（図９（ｅ））といった形状とすることができる。いずれの形状であっても、根元８ｃ（図９（ａ）～（ｅ））側が太く、先端部８ａ側が先細りである（本願発明では断面形状が三日月であって先端側が先細りである形状を三日月錐状という）。 (Rigging process)
The bite projections 8 can have various shapes. Some examples are shown in FIGS. 2 (d)-(g). The bite projections 8 are provided at four places on the back surface of the washer 1 in the circumferential direction (FIGS. 2A to 2C). The biting projection 8 bites into a member to be tightened or connected (hereinafter referred to as “object”) 40 and 41 (FIGS. 6A to 6C) when the washer 1 is tightened and rotated. The shape is such a shape that is easy to bite into the objects 40 and 41 at the time of tightening and rotation, for example, semi-conical (Fig. 2 (d) (e), Fig. 9 (a) (b)), crescent moon (Fig. 2 (f) 9 (c), a quadrangular pyramid (FIGS. 2 (g) and 9 (d)), and a cone (FIG. 9 (e)). In any of the shapes, the root 8c (FIGS. 9A to 9E) is thick and the tip 8a is tapered (in the present invention, the cross-sectional shape is a crescent and the tip is tapered). It is called a cone shape).
　食い込み突起８の先端部８ａは弧面状（図１（ｇ）、図１０（ａ））或いは平面状（図２（ｈ）、図１０（ｂ））にして、食い込み時に先端部８ａが欠損し難く、プレス金型の先端部成型箇所も欠損し難くなるようにする。四角錐状（図９（ｄ））の場合はその外周面角部８ｂも弧面状（図１０（ｃ））或いは平面状にして食い込み時に欠損し難くなり、プレス金型も欠損し難くなり、型持ちするようにする。 The tip 8a of the biting projection 8 is in the form of an arc (FIG. 1 (g), FIG. 10 (a)) or planar (FIG. 2 (h), FIG. 10 (b)). It is difficult to do so and to make it difficult to chip the tip molding portion of the press die. In the case of a quadrangular pyramid (FIG. 9 (d)), the outer peripheral surface corner 8b is also made arc-like (FIG. 10 (c)) or flat to make it difficult to chip at the time of biting, making it difficult to chip the press die. , To have a type.
　図２（ｄ）の食い込み突起８は図９（ａ）に示すように半円錐状であり、その平面部８ｄを座金１の中心線（Ｘ－Ｘ）よりも突出させてある。図２（ｅ）に示すものも半円錐状であるが、図２（ｄ）と異なるのは、食い込み突起８の平面部８ｄを表面高台部５の外周面５ａに臨ませた（外周面5ａと同じ面にした）ことである。この場合も先端部８ａを弧面状或いは平面状にして、前記効果が得られるようにしてある。 The bite projection 8 of FIG. 2 (d) is semi-conical as shown in FIG. 9 (a), and its flat portion 8d is made to project from the center line (X-X) of the washer 1. Although what is shown in FIG. 2 (e) is also semi-conical, the difference from FIG. 2 (d) is that the flat portion 8d of the biting projection 8 is exposed to the outer peripheral surface 5a of the surface elevated portion 5 (the outer peripheral surface 5a And on the same side). Also in this case, the tip end portion 8a is shaped like an arc or a plane so that the above effect can be obtained.
　図２（ｆ）に示す食い込み突起８は図９（ｃ）に示すように三日月錐状である。この食い込み突起８もその湾曲部（湾曲面）８ｅを座金１の中心線（Ｘ－Ｘ）よりも内側に突出させて設けてある。食い込み突起８の先端部８ａを弧面状（図１（ｇ）、図１０（ａ））にするとか平面状（図２（ｈ）、図１０（ｂ））にして、前記効果が得られるようにしてある。 The bite projection 8 shown in FIG. 2 (f) has a crescent cone shape as shown in FIG. 9 (c). The biting projection 8 is also provided with its curved portion (curved surface) 8 e protruding inward from the center line (XX) of the washer 1. If the tip 8a of the biting projection 8 is made arc-shaped (FIG. 1 (g), FIG. 10 (a)) or planar (FIG. 2 (h), FIG. 10 (b)), the above effect can be obtained It is done like that.
　図２（ｇ）に示す食い込み突起８は四角錐であり、先端部８ａが弧面状（図１（ｇ）、図１０（ａ））或いは平面状（図２（ｈ）、図１０（ｂ））であり、その四つの外周面角部（稜線部）８ｂも弧面状（図１０（ｃ））或いは平面状（八角錐形）にして、それら先端部８ａも外周面角部８ｂも締付け時に欠損し難くなり、プレス金型のそれら成型箇所も欠損し難くなり、型持ちするようにしてある。 The bite projection 8 shown in FIG. 2 (g) is a quadrangular pyramid, and the tip 8a is arc-shaped (FIG. 1 (g), FIG. 10 (a)) or planar (FIG. 2 (h), FIG. 10 (b). ), And the four outer peripheral surface corner portions (ridge portions) 8b are also formed in an arc surface (FIG. 10 (c)) or in a planar shape (octagonal pyramid), and both the front end portion 8a and the outer peripheral surface corner portion 8b It becomes difficult to chip at the time of tightening, and it becomes difficult to chip these molding points of the press die, so that the mold is held.
　（窪み部）
　座金1の裏面であって、食い込み突起８の根元８ｃ（図２（ｄ）～（ｈ）、図９（ａ）～（ｅ））には窪み部１３が形成されている。この、窪み部１３はプレス金型で座金1の裏面を加圧して食い込み突起８を突設することにより成型される（加圧により窪んだ分だけ食い込み突起８として突出する）。窪み部１３があると、締め付け時に食い込み突起８がその根元８ｃまで対象物４０、４１（図６（ａ）～（ｃ））に十分に食い込むことができ、その食い込みにより盛り上がる対象物４０、４１の肉（盛り上がり肉）が窪み部１３に入り込んで（食い込んで）座金１が逆戻りし難くなる（緩み難くなる）。図１（ｆ）の窪み部１３は食い込み突起８の根元８ｃの全周に円形に成型してあるが、食い込み突起８を押し出すことにより成型できれば、前記以外の形状、広さであってもよい。 (Indented part)
A recess 13 is formed on the back surface of the washer 1 at the roots 8c (FIGS. 2 (d) to 2 (h) and FIGS. 9 (a) to 3 (e)) of the bite projections 8. As shown in FIG. The depressed portion 13 is formed by pressing the back surface of the washer 1 with a press die and projecting the biting projection 8 (protruding as the biting projection 8 by the amount depressed by the pressure). If the depression 13 is present, the biting projection 8 can fully bite into the objects 40 and 41 (FIGS. 6A to 6C) up to the root 8c at the time of tightening, and the objects 40 and 41 swell up by the biting. Meat (surplus meat) gets into the depression 13 and bites it into the washer 1 so that it is difficult for the washer 1 to reverse (hard to loosen). Although the recess 13 in FIG. 1 (f) is formed in a circular shape all around the root 8c of the biting projection 8, it may have any other shape or area as long as it can be molded by pushing out the biting projection 8. .
　（実施形態２：座金付きナット）
　本発明の螺子類の緩み止め構造の他例を図３（ａ）～（ｃ）に示す。この図の螺子類はナット２０の裏面側に座金１を回転自在に組み込んだ座金付きナット２５の場合である。この座金１は図1（ａ）の座金である。 (Embodiment 2: Nut with washer)
Another example of the screw locking structure of the present invention is shown in FIGS. 3 (a) to 3 (c). The screw in this figure is the case of a nut 25 with a washer in which the washer 1 is rotatably incorporated on the back side of the nut 20. This washer 1 is the washer of FIG. 1 (a).
　ナット２０の裏面には頭部突起２１が形成されている。この頭部突起２１は乗り越え斜面２２と係止面２３と稜線部２４を備えた山形であり、乗り越え斜面２２、係止面２３の傾斜角度や稜線部２４の高さ等は座金１の座金突起６のそれらと同じにして、座金突起６と噛み合うことができるようにしてある。頭部突起２１はナット２０を締め付け方向に回すと、座金突起６の乗り越え斜面９を乗り越えて回転するが、逆方向には、頭部突起２１の係止面２３が座金突起６の係止面１０に係止して回転が阻止されるようにしてある。この頭部突起２１の稜線部２４も弧面状或いは平面状にして、頭部突起２１が座金突起６を乗り越えても欠損し難く、プレス金型も成型時に欠損し難くなるようにしてある。 A head protrusion 21 is formed on the back surface of the nut 20. The head projection 21 has a mountain shape including a climbing slope 22, a locking surface 23 and a ridge line portion 24, and the inclination angle of the climbing slope 22 and the locking surface 23, the height of the ridge line 24, etc. In the same manner as those of the sixth embodiment, the washer projection 6 can be engaged. When the head protrusion 21 rotates in the tightening direction of the nut 20, the head protrusion 21 rides over the climb slope 9 of the washer protrusion 6 and rotates, but in the reverse direction, the locking surface 23 of the head protrusion 21 is the locking surface of the washer protrusion 6 It is locked to 10 so that rotation is blocked. The ridge line portion 24 of the head projection 21 is also formed into an arc surface or planar shape so that the head projection 21 is less likely to be broken even if it passes over the washer projection 6, and the press die is also less likely to be broken during molding.
　図３（ａ）の座金付きナット２５は、ナット２０を締め付け方向に回転させると、ナット２０の頭部突起２１が座金１の座金突起６と噛み合って座金1を対象物４０、４１（図６（ａ）～（ｃ））に押し付けて、座金1の裏面の食い込み突起８をそれら対象物に食い込ませることができる。この場合、食い込み突起８の食い込みにより盛り上がる対象物４０、４１の肉が窪み部１３に入って、緩み回転（戻り回転）が防止される。 3A, when the nut 20 is rotated in the tightening direction, the head protrusion 21 of the nut 20 engages with the washer protrusion 6 of the washer 1 to make the washer 1 an object 40, 41 (FIG. 6A). The bite projections 8 on the back surface of the washer 1 can be made to bite into those objects by pressing them against (a) to (c). In this case, the meat of the objects 40 and 41 raised by the biting of the biting projection 8 enters the recess 13 and the loose rotation (return rotation) is prevented.
　図３（ａ）に示す座金付きナット２５は、例えば、図３（ａ）～（ｃ）に示す工程で製造することができる。
　（１）ナット１の裏面に突設されている連結軸２６を座金１の貫通孔２に差し込む（図３（ｂ））。
　（２）前記（１）の状態で、貫通孔２の下方に突出する連結軸２６の先端部２７（図３（ｃ））を外側にカシメて座金１をナット２０に取付ける（抜け落ちないようにする）。この場合、座金１は回転自在である。 The washer nut 25 shown in FIG. 3 (a) can be manufactured, for example, in the steps shown in FIGS. 3 (a) to 3 (c).
(1) The connecting shaft 26 protruding from the back surface of the nut 1 is inserted into the through hole 2 of the washer 1 (FIG. 3 (b)).
(2) Attach the washer 1 to the nut 20 by caulking the distal end portion 27 (FIG. 3C) of the connecting shaft 26 which projects downward from the through hole 2 in the state of (1) above To do). In this case, the washer 1 is rotatable.
　（実施形態３：座金付きボルト）
　本発明の螺子類の緩み止め構造の他例を図４に示す。この図の螺子類はボルト３０の頭部３１の裏面側に座金１を組み込んだ座金付きボルト３６である。この座金１は図1（ａ）の座金である。 (Embodiment 3: Bolt with washer)
Another example of the screw locking structure of the present invention is shown in FIG. The screw in this figure is a bolt 36 with a washer in which the washer 1 is incorporated on the back side of the head 31 of the bolt 30. This washer 1 is the washer of FIG. 1 (a).
　ボルト３０の頭部３１の裏面には頭部突起３２が形成されている。この頭部突起３２は乗り越え斜面３３と係止面３４と稜線部３５を備えた山形であり、乗り越え斜面３３、係止面３４のサイズ、傾斜角度等を座金１の座金突起６と同じにして、座金突起６と噛み合うことができ、座金付きボルト３６を締め付け方向に回すと、頭部突起３２が座金１の座金突起６を乗り越えて回転し、逆方向には、頭部突起３２の係止面３４が座金突起６の係止面１０に係止して回転が阻止されるようにしてある。この稜線部３５の頂部も弧面状或いは平面状にして、頭部突起３２が座金突起６を乗り越えても欠損し難く、プレス金型の稜線部形成箇所も成型時に欠損し難くなるようにしてある。 A head projection 32 is formed on the back of the head 31 of the bolt 30. The head projection 32 has a mountain shape including a climbing slope 33, a locking surface 34, and a ridge line 35. The size of the climbing slope 33 and locking surface 34, the inclination angle, etc. are the same as the washer projection 6 of the washer 1. Can be engaged with the washer projection 6, and when the washer bolt 36 is turned in the tightening direction, the head projection 32 rotates over the washer projection 6 of the washer 1 and rotates in the reverse direction. The surface 34 is locked to the locking surface 10 of the washer projection 6 to prevent rotation. The top portion of the ridge portion 35 is also formed in an arc or planar shape so that it is difficult for the head projection 32 to break even if it passes over the washer protrusion 6 and to make it difficult for the ridge portion forming portion of the press die to be broken during molding. is there.
　図４（ａ）に示す座金付きボルト３６は、例えば、図５（ａ）～（ｃ）に示す工程で製造することができる。
　（１）ボルト３０の頭部３１の裏面に突設されているボルト軸（螺子なし軸）３７（図５（ｂ））を座金１の貫通孔２に差し込む（図５（ｂ））。
　（２）前記（１）の状態で、座金１の下方に突出するボルト軸３７の外側面に螺子３８（図５（ｃ））を切って座金１を取付ける（抜け落ちないようにする）。この場合、座金１は回転自在である。 The bolt 36 with a washer shown in FIG. 4A can be manufactured, for example, in the steps shown in FIGS. 5A to 5C.
(1) Insert a bolt shaft (shaft without screw) 37 (FIG. 5 (b)) projecting from the back of the head 31 of the bolt 30 into the through hole 2 of the washer 1 (FIG. 5 (b)).
(2) In the state of (1), the screw 38 (FIG. 5 (c)) is cut on the outer surface of the bolt shaft 37 projecting downward of the washer 1 and the washer 1 is attached (prevents removal). In this case, the washer 1 is rotatable.
　（使用例）
　図３（ａ）の座金付きナット２５と図４（ａ）の座金付きボルト３６は、例えば、図６（ａ）～（ｃ）のように使用することができる。
　（１）図６（ａ）のように、重ねてある二枚の板材（対象物）４０、４１の上から、座金付きボルト３６のボルト軸３７を図６（ｂ）のように挿入する。
　（２）下板４０の下方に突出したボルト軸３７に、座金付きナット２５を螺合して、図６（ｃ）のように、座金付きナット２５を座金１の裏面が下板４０に接触するまで締め付けて、座金１の食い込み突起８を下板４０に食い込ませ、その食い込みにより盛り上がった肉が、食い込み突起８の根元８ｃの窪み部１３（図１（ｆ）（ｇ））に入り込んで座金１の緩みが阻止され、座金付きナット２５の座金突起６と頭部突起２１の噛み合いも緩まないようにする。また、座金付きボルト３６の座金１の食い込み突起８が上板４１に食い込んで、その食い込みにより盛り上がった肉が、食い込み突起８の根元８ｃの窪み部１３（図９（ａ）～（ｅ））内に入って座金１の緩みが阻止され、座金付きボルト３６の座金突起６と頭部突起３２の噛み合いも緩まない。 (Example of use)
The washer nut 25 of FIG. 3 (a) and the washer bolt 36 of FIG. 4 (a) can be used, for example, as shown in FIGS. 6 (a) to 6 (c).
(1) As shown in FIG. 6 (a), the bolt shaft 37 of the bolt 36 with a washer is inserted as shown in FIG. 6 (b) from above the two stacked plate materials (objects) 40 and 41.
(2) Screw the nut 25 with a washer with the bolt shaft 37 projecting downward of the lower plate 40, and contact the nut 25 with the washer 1 with the lower plate 40 as shown in FIG. The bite projection 8 of the washer 1 is made to bite into the lower plate 40, and the meat raised by the bite enters the recess 13 (FIG. 1 (f) (g)) of the root 8c of the bite projection 8 Loosening of the washer 1 is prevented, and engagement between the washer projection 6 and head projection 21 of the washer nut 25 is also prevented from loosening. Further, the bite projection 8 of the washer 1 of the bolt 36 with a washer bites into the upper plate 41, and the meat raised by the bite is the depressed portion 13 of the root 8c of the bite projection 8 (FIGS. 9A to 9E) By coming inside, the looseness of the washer 1 is prevented, and the engagement between the washer projection 6 and the head projection 32 of the washer bolt 36 also does not loosen.
　前記使用例は座金付きナット２５を締め付ける場合であるが、座金付きボルト３６を締め付けることによっても、前記の場合と同様に締付けることができる。 Although the example of use is the case where the washer nut 25 is tightened, it can be tightened by tightening the washer bolt 36 as in the above case.
　（実施形態４：ナットの緩み止め構造）
　本発明の螺子類の緩み止め構造の他例を図７（ａ）に示す。この図の螺子類はナットの場合であり、このナット２０は図３（ａ）のナット２０に座金１が取り付けられていないものである。したがって、頭部突起２１は乗り越え斜面２２と係止面２３と稜線部２４を備えた山形であり、乗り越え斜面２２、係止面２３のサイズ、傾斜角度等を座金１（図１（ａ））の座金突起６と同じにして、座金突起６と噛み合うようにしてある。この稜線部２４の頂部も弧面状或いは平面状にして、頭部突起２１が座金突起６を乗り越えても欠損し難く、プレス金型の稜線部成型箇所も成型時に欠損し難くなるようにしてある。 (Fourth Embodiment: Nut Locking Structure)
Another example of the screw locking structure of the present invention is shown in FIG. 7 (a). The screws in this figure are the case of a nut, and this nut 20 is one in which the washer 1 is not attached to the nut 20 of FIG. 3 (a). Therefore, the head projection 21 is a mountain shape having the overturn slope 22, the locking surface 23, and the ridge portion 24, and the size of the overrun slope 22, the locking surface 23, the inclination angle, etc. are washers 1 (FIG. 1 (a)). In the same manner as the washer projection 6 of FIG. The top portion of the ridge portion 24 is also formed into an arc or planar shape so that it is difficult to lose the head projection 21 even if it passes over the washer protrusion 6 so that the ridge portion molding location of the press die is also less likely to be lost during molding. is there.
　（実施形態５：ボルトの緩み止め構造）
　本発明の螺子類の緩み止め構造の他例を図７（ｂ）に示す。この図の螺子類はボルトの場合であり、このボルト３０は図４（ａ）のボルト３０に座金１が取り付けられていないものである。したがって、頭部突起３２は乗り越え斜面３３と係止面３４と稜線部３５を備えた山形であり、乗り越え斜面３３、係止面３４のサイズ、傾斜角度等を座金１（図１（ａ））の座金突起６と同じにして、座金突起６と噛み合うようにしてある。この稜線部３５の頂部も弧面状或いは平面状にして、頭部突起３２が座金突起６を乗り越えても欠損し難く、プレス金型の稜線部成型箇所も成型時に欠損し難くなるようにしてある。 (Fifth embodiment: bolt locking structure)
Another example of the screw locking structure of the present invention is shown in FIG. 7 (b). The screws in this figure are in the case of bolts, and the bolts 30 are those in which the washer 1 is not attached to the bolts 30 of FIG. 4 (a). Therefore, the head projection 32 is a mountain shape having the overturned slope 33, the locking surface 34, and the ridgeline portion 35, and the size of the overrun slope 33, the locking surface 34, the inclination angle, etc. is the washer 1 (FIG. 1 (a)). In the same manner as the washer projection 6 of FIG. The top portion of the ridge portion 35 is also formed into an arc or planar shape so that it is difficult for the head projection 32 to break even if it passes over the washer projection 6 and to make it difficult for the ridge portion molding location of the press die to be lost during molding. is there.
　（図７のナット、ボルトの使用例）
　図７（ａ）のナット２０、図７（ｂ）のボルト３０は、図８のようにして使用することができる。
　（１）ボルト３０のボルト軸３７に、図１（ａ）の座金１をセットしてから、ボルト３０を重ねてある二枚の板材（対象物）４０、４１の上から差し込み、下板４０の下に突出したボルト軸３７に図１（ａ）の座金１を被せ、その下から図７（ａ）のナット２０をボルト軸３７に螺合する。
　（２）前記状態で、ナット２０を締付け回転させると、ナット２０の頭部突起２１が座金１の座金突起６を乗り越えて回転して座金１を下板４０に押し付けて、座金1の裏面の食い込み突起８が下板４０に食い込む。この場合、座金１の食い込み突起８の食い込みにより盛り上がる下板４０の肉が窪み部１３（図９（ａ）～（ｅ））内に入って、緩み回転（戻り回転）が防止される。このとき、ナット２０の頭部突起２１が座金１の座金突起６を乗り越えて回転する。ナット２０の締め付け回転終了後は、頭部突起２１の係止面２３が座金突起６の係止面１０に係止してナット２０の逆回転（戻り回転）が阻止される。 (Example of use of nuts and bolts in Fig. 7)
The nut 20 of FIG. 7 (a) and the bolt 30 of FIG. 7 (b) can be used as shown in FIG.
(1) After setting the washer 1 of FIG. 1 (a) to the bolt shaft 37 of the bolt 30, insert the plate 30 from the top of the two plate members (objects) 40 and 41 on which the bolt 30 is stacked. The washer 1 of FIG. 1 (a) is placed on the bolt shaft 37 projecting downward, and the nut 20 of FIG. 7 (a) is screwed onto the bolt shaft 37 from below.
(2) In the above state, when the nut 20 is tightened and rotated, the head projection 21 of the nut 20 rides over the washer projection 6 of the washer 1 and rotates to press the washer 1 against the lower plate 40. The bite projection 8 bites into the lower plate 40. In this case, the meat of the lower plate 40 raised by the biting of the biting projection 8 of the washer 1 enters the recess 13 (FIGS. 9A to 9E) and the loose rotation (return rotation) is prevented. At this time, the head projection 21 of the nut 20 rotates over the washer projection 6 of the washer 1. After the nut 20 is tightened and rotated, the locking surface 23 of the head protrusion 21 is locked to the locking surface 10 of the washer protrusion 6 to prevent reverse rotation (return rotation) of the nut 20.
　前記ナット２０の締め付けに代えてボルト３０を締め付けることもできる。この場合もナットを締め付ける場合と同様に締め付けることができ、逆回転（戻り回転）が阻止される。 Instead of the tightening of the nut 20, the bolt 30 can be tightened. In this case as well, it can be tightened in the same manner as tightening the nut, and reverse rotation (return rotation) is prevented.
　本発明では、互いに噛み合う、頭部突起２１の根元部分２１ａ、座金突起６の根元部分６ａ（図３（ｂ）、図４（ｂ））も弧面状或いは平面状にして、プレス金型のそれら根元部分成型箇所が欠損し難くなるようにすることもできる。 In the present invention, the root portion 21a of the head projection 21 and the root portion 6a (FIG. 3 (b), FIG. 4 (b)) of the washer projection 6 which interlock with each other are also formed in an arc or plane. It is also possible to make it difficult for the root portion molding site to be broken.
　前記実施形態では、螺子類が座金、ナット、ボルト、ナット付き座金、ボルト付き座金と、それら螺子類の緩み止め構造に関するものであるが、本発明の螺子類の緩み止め構造はこれら以外の螺子類（例えば、ゴルフシューズの鋲など）の緩み止め構造とすることもできる。 In the above embodiment, the screws relate to a washer, a nut, a bolt, a washer with a nut, a washer with a bolt, and a locking structure of those screws, but the locking structure of the screws of the present invention is a screw other than these. It can also be a locking structure of a kind (e.g., a heel of a golf shoe).
　１　　座金
　２　　貫通孔
　３　　（貫通孔の外側の）表面内周縁
　４　　（座金の）表面外周部
　５　　表面高台部
　５ａ　（表面高台部の）外周面
　６　　座金突起
　６ａ　（座金突起の）根元部分
　７　　突起なし部
　８　　食い込み突起
　８ａ　（食い込み突起の）先端部
　８ｂ　（食い込み突起の）外周面角部
　８ｃ　（食い込み突起の）根元
　８ｄ　（半円錐状食い込み突起の）平面部
　８ｅ　（三日月錐状食い込み突起の）湾曲部（湾曲面）
　９　　（座金の）乗り越え斜面
１０　　（座金の）係止面
１１　　（座金の）稜線部
１３　　窪み部
２０　　ナット
２１　　（ナットの）頭部突起
２１ａ　（ナットの頭部突起の）根元部分
２２　　（ナットの）乗り越え斜面
２３　　（ナットの）係止面
２４　　（ナットの）稜線部
２５　　座金付きナット
２６　　（ナットの）連結軸
２７　　（連結軸の）先端部
３０　　ボルト
３１　　（ボルトの）頭部
３２　　（ボルトの）頭部突起
３３　　（ボルトの）乗り越え斜面
３４　　（ボルトの）係止面
３５　　（ボルトの）稜線部
３６　　座金付きボルト
３７　　ボルト軸
３８　　螺子
４０　　下板（板材：対象物）
４１　　上板（板材：対象物） Reference Signs List 1 washer 2 through hole 3 surface inner peripheral edge 4 (of washer) outer peripheral surface 5 (for washer) outer peripheral surface 5 for elevation 5a (for surface elevation) outer peripheral surface 6 washer projection 6a root portion 7 (for washer projection) None 8 Biting projection 8a Tip 8b (for biting protrusion) Outer peripheral surface corner 8c (for biting protrusion) Root 8d (of biting protrusion) Planar portion 8e (of semiconical biting protrusion) (for crescent biting biting protrusion) Curved part (curved surface)
9 (Washer) Overturning slope 10 (Washer) Locking surface 11 (Washer) Ridge portion 13 Indented portion 20 Nut 21 (Nut) Head protrusion 21a (Nut head protrusion) Root portion 22 (Nut ) Crossing slope 23 Locking surface 24 (of nut) Flange 25 (of nut) Washer nut 26 (of nut) Coupling shaft 27 (of coupling shaft) Tip 30 Bolt 31 (of bolt) Head 32 (of bolt) ) Head projection 33 (bolt) Overturning slope 34 (bolt) Locking surface 35 (bolt) Ridge portion 36 (bolt) Bolt with washer 37 Bolt shaft 38 Screw 40 Lower plate (plate material: target object)
41 Upper plate (plate material: object)

Claims (12)

  1. 　螺子類が中心部に貫通孔を備えた座金であり、その表面周方向に放射状に多数本の突起（座金突起）を備え、その座金突起はナットの頭部又はボルト（鋲、螺子を含む）の頭部の裏面周方向に放射状に形成されている多数本の頭部突起と噛み合うことができ、ナット又はボルトの締め付け後は前記噛み合いが緩まないようにした座金であり、
    　前記座金突起は乗り越え斜面と、係止面と、両面の交差部に稜線部を備えた山形であり、乗り越え斜面は稜線部よりもナット又はボルトの締め付け回転方向手前にあり、前記締め付け回転方向に緩やかな上り傾斜であり、係止面は稜線部よりもナット又はボルトの締め付け回転方向先方にあり、前記乗り越え斜面よりも急斜面であるか又は垂直面であり、前記稜線部は弧面状（Ｒ面状）又は平面状である、
    　ことを特徴とする座金。     The screw is a washer with a through hole in the center and has a number of projections (a washer projection) radially in the circumferential direction of the surface, and the washer projection is the head of a nut or a bolt (including a hook and a screw) A washer which can engage with a large number of head projections formed radially in the circumferential direction on the back surface of the head of the head, and after the nut or bolt is tightened, the engagement is not loosened;
    The washer projection is a mountain shape having a climbing slope, a locking surface, and a ridge line portion at the intersection of both surfaces, and the climbing slope is in front of the ridge line in the tightening rotational direction of the nut or bolt. It has a gentle upward slope, and the locking surface is forward of the ridge line in the direction of tightening rotation of the nut or bolt, or is a steep slope or vertical surface than the overlying slope, and the ridge line is arc-shaped (R Planar) or planar,
    Washer characterized by that.
  2. 　請求項１記載の座金において、
    　座金表面であって貫通孔の外側内周縁と外周縁との間に、それら外側内周縁及び外周縁よりも一段高い表面高台部がリング状に形成され、その表面高台部に座金突起が形成された、
    　ことを特徴とする座金。     In the washer according to claim 1,
    A surface elevation is formed in a ring shape between the outer inner peripheral edge and the outer peripheral edge of the washer, between the outer inner peripheral edge and the outer peripheral edge of the through hole, and washer protrusions are formed on the surface elevated base portion ,
    Washer characterized by that.
  3. 　請求項１又は請求項２記載の座金において、
    　座金裏面であって貫通孔の外側内周縁と外周縁との間に、それら内周縁及び外周縁よりも一段高い裏面高台部がリング状に形成され、その裏面高台部に食い込み突起が形成された、
    　ことを特徴とする座金。     In the washer according to claim 1 or 2,
    A back surface is formed in a ring shape between the inner peripheral edge and the outer peripheral edge of the washer, between the outer inner peripheral edge and the outer peripheral edge of the through hole, and a bite projection is formed on the rear surface upper pedestal portion ,
    Washer characterized by that.
  4. 　請求項１から請求項３のいずれか1項に記載の座金において、
    　座金裏面の周方向数箇所に食い込み突起が突設され、食い込み突起は締め付け材に食い込み可能であり、座金突起はその表面であって前記食い込み突起のない箇所に設けられた、
    　ことを特徴とする座金。     The washer according to any one of claims 1 to 3
    A biting protrusion is protrusively provided at several places in the circumferential direction on the back surface of the washer, and the biting protrusion can be bitten into the fastening material, and the washer protrusion is provided on the surface and at a place without the biting protrusion
    Washer characterized by that.
  5. 　請求項１から請求項４のいずれか1項に記載の座金において、
    　食い込み突起が、根元から先端に向けて先細りであり、先端部が弧面状又は平面状であるものである、
    　ことを特徴とする座金。     The washer according to any one of claims 1 to 4,
    The bite projection is tapered from the root to the tip, and the tip is arced or flat.
    Washer characterized by that.
  6. 　請求項１から請求項５のいずれか1項に記載の座金において、
    　食い込み突起の根元周縁部に窪み部を備え、窪み部は、食い込み突起が対象物に食い込むことにより対象物から盛り上がる肉が入ることができる、
    　ことを特徴とする座金。     The washer according to any one of claims 1 to 5,
    The base peripheral edge portion of the biting projection is provided with a recess portion, and the recess portion can allow the meat to rise from the object when the biting protrusion bites into the object,
    Washer characterized by that.
  7. 　螺子類がナットであり、その頭部の裏面周方向に放射状に多数本の突起（頭部突起）を備え、その頭部突起は座金の頭部表面周方向に放射状に形成されている多数本の座金突起と噛み合うことができ、座金への締め付け後は前記噛み合いが緩まないようにしたナットにおいて、
    　ナットの頭部突起は乗り越え斜面と、係止面と、両面の交差部に稜線部を備えた山形であり、乗り越え斜面は稜線部よりもナットの締め付け回転方向手前にあり、前記締め付け回転方向に緩やかな上り傾斜であり、係止面は稜線部よりもナットの締め付け回転方向先方にあり、前記乗り越え斜面よりも急斜面であるか又は垂直面であり、
    　前記稜線部は弧面状又は平面状である、
    　ことを特徴とするナット。     Screws are nuts, and are provided with a large number of projections (head projections) radially in the circumferential direction on the back surface of the head, and the head projections are formed in a radial direction in the circumferential surface of the head of the washer A nut that can engage with the washer projection and prevents the engagement from becoming loose after tightening on the washer,
    The head projection of the nut is a mountain shape having a climbing slope, a locking surface, and a ridge line portion at the intersection of both surfaces, and the climbing slope is in front of the ridge line in the tightening rotation direction of the nut and in the tightening rotation direction. It has a gentle upslope, and the locking surface is ahead of the ridge line in the tightening rotational direction of the nut, and is a steep slope or a vertical surface than the overlying slope,
    The ridge portion is arc-shaped or planar
    A nut that is characterized by
  8. 　螺子類がボルトであり、その頭部の裏面周方向に放射状に多数本の突起（頭部突起）を備え、その頭部突起は座金の頭部表面周方向に放射状に形成されている多数本の座金突起と噛み合うことができ、ボルトの締め付け後は前記噛み合いが緩まないようにしたボルトにおいて、
    　ボルトの頭部突起は乗り越え斜面と、係止面と、両面の交差部に稜線部を備えた山形であり、乗り越え斜面は稜線部よりもボルトの締め付け回転方向手前にあり、前記締め付け回転方向に緩やかな上り傾斜であり、係止面は稜線部よりもボルトの締め付け回転方向先方にあり、前記乗り越え斜面よりも急斜面であるか又は垂直面であり、
    　前記稜線部は弧面状又は平面状である、
    　ことを特徴とするボルト。     Screws are bolts, and are provided with a large number of projections (head projections) radially in the circumferential direction on the back of the head, and the head projections are formed radially in the circumferential direction of the head surface of the washer With a bolt, which can engage with the washer projection, and after the bolt is tightened, the engagement is not loosened,
    The head projection of the bolt is a mountain shape having a climbing slope, a locking surface, and a ridge line portion at the intersection of both surfaces, and the climbing slope is in front of the ridge line in the tightening rotation direction of the bolt and in the tightening rotation direction. It has a gentle upward slope, and the locking surface is ahead of the ridge line in the tightening rotational direction of the bolt and is a steep slope or a vertical surface than the above-mentioned climbing slope,
    The ridge portion is arc-shaped or planar
    Bolts that are characterized.
  9. 　請求項１から請求項６のいずれか1項に記載の座金が、請求項7記載のナット頭部の裏面に回転可能にセットされた、
    　ことを特徴とするナット付き座金。
    The washer according to any one of claims 1 to 6 is rotatably set on the back surface of the nut head according to claim 7.
    A washer with a nut that is characterized.
  10. 　請求項１から請求項６のいずれか1項に記載の座金が、請求項８記載のボルト頭部の裏面に回転可能にセットされた、
    　ことを特徴とするボルト付き座金。     A washer according to any one of claims 1 to 6 is rotatably set on the back of the bolt head according to claim 8.
    Bolted washers that are characterized.
  11. 　本発明の螺子類の緩み止め構造は、座金、ナット等のネジ類の緩み止め構造であり、
    　座金が請求項1から請求項６のいずれか1項に記載の座金であり、
    　ナットが請求項７記載のナットであり、
    　前記ナットの頭部突起と座金の座金突起が噛み合って、ナットの締め付け回転により両突起の係止面同士が係止すると、頭部突起と座金突起の噛み合いが緩み難くなる、
    　ことを特徴とする螺子類の緩み止め構造。     The screw lock structure of the present invention is a screw lock structure of a washer, a nut and the like,
    A washer is a washer according to any one of claims 1 to 6,
    The nut is the nut according to claim 7;
    When the head protrusion of the nut engages with the washer protrusion of the washer, and the locking surfaces of both protrusions are locked due to the tightening rotation of the nut, the engagement between the head protrusion and the washer protrusion becomes difficult to loosen.
    Locking structure of screws characterized in that.
  12. 　本発明の螺子類の緩み止め構造は、座金、ボルト等のネジ類の緩み止め構造であり、
    　座金が請求項1から請求項６のいずれか1項に記載の座金であり、
    　ボルトが請求項８記載のボルトであり、
    　前記ボルトの頭部突起と座金の座金突起とが噛み合って、ボルトの締め付け回転により両突起の係止面同士が係止すると、頭部突起と座金突起の噛み合いが緩み難くなる、
    ことを特徴とする螺子類の緩み止め構造。     The screw lock structure of the present invention is a screw lock structure of a washer, a bolt and the like,
    A washer is a washer according to any one of claims 1 to 6,
    The bolt is the bolt according to claim 8,
    When the head protrusion of the bolt and the washer protrusion of the washer are engaged and the locking surfaces of both protrusions are locked due to the tightening and rotation of the bolt, the engagement of the head protrusion and the washer protrusion becomes difficult to loosen.
    Locking structure of screws characterized in that.
PCT/JP2014/052959 2014-02-07 2014-02-07 Washer, nut, bolt, and locking structure for said screw parts WO2015118669A1 (en)

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JP2015561122A JP6334573B2 (en) 2014-02-07 2014-02-07 Screws with washers

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
JP2017110787A (en) * 2015-12-18 2017-06-22 一夫 中島 Washer, nut, bolt, nut with washer and bolt with washer
JP2017115934A (en) * 2015-12-22 2017-06-29 一夫 中島 Washer, nut, bolt, nut with washer and bolt with washer
CN107084184A (en) * 2017-06-20 2017-08-22 国家电网公司 A kind of screw rod for electrical equipment fastens anti-loose structure and method
JP2017194104A (en) * 2016-04-20 2017-10-26 株式会社マルナカ Washer, washer set and screws with washer

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Publication number Priority date Publication date Assignee Title
JPH07173878A (en) * 1993-10-13 1995-07-11 Kai Kenchiku Sekkei Jimusho:Kk Joining auxiliary member for high strength bolt joint and coupling fitment
JP2006307965A (en) * 2005-04-28 2006-11-09 Marunaka:Kk Locking washer and screws with locking washer attaching same
JP2007162773A (en) * 2005-12-12 2007-06-28 Tokunaga:Kk Fastening fitting

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JPH07173878A (en) * 1993-10-13 1995-07-11 Kai Kenchiku Sekkei Jimusho:Kk Joining auxiliary member for high strength bolt joint and coupling fitment
JP2006307965A (en) * 2005-04-28 2006-11-09 Marunaka:Kk Locking washer and screws with locking washer attaching same
JP2007162773A (en) * 2005-12-12 2007-06-28 Tokunaga:Kk Fastening fitting

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017110787A (en) * 2015-12-18 2017-06-22 一夫 中島 Washer, nut, bolt, nut with washer and bolt with washer
JP2017115934A (en) * 2015-12-22 2017-06-29 一夫 中島 Washer, nut, bolt, nut with washer and bolt with washer
JP2017194104A (en) * 2016-04-20 2017-10-26 株式会社マルナカ Washer, washer set and screws with washer
CN107084184A (en) * 2017-06-20 2017-08-22 国家电网公司 A kind of screw rod for electrical equipment fastens anti-loose structure and method

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