WO2011158824A1 - Boulon - Google Patents

Boulon Download PDF

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Publication number
WO2011158824A1
WO2011158824A1 PCT/JP2011/063576 JP2011063576W WO2011158824A1 WO 2011158824 A1 WO2011158824 A1 WO 2011158824A1 JP 2011063576 W JP2011063576 W JP 2011063576W WO 2011158824 A1 WO2011158824 A1 WO 2011158824A1
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WO
WIPO (PCT)
Prior art keywords
bolt
fastening
fastening bolt
shaft
locking portion
Prior art date
Application number
PCT/JP2011/063576
Other languages
English (en)
Japanese (ja)
Inventor
賢司 長谷川
Original Assignee
株式会社ハマ・システム
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 株式会社ハマ・システム filed Critical 株式会社ハマ・システム
Priority to JP2011545585A priority Critical patent/JP5231656B2/ja
Publication of WO2011158824A1 publication Critical patent/WO2011158824A1/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
    • F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/005—Measures against unauthorised operation of bolts, nuts or pins

Definitions

  • the present invention relates to a bolt that is screwed to an object to be fastened, and particularly to a bolt that is difficult to remove from the object to be fastened after being screwed once to the object to be fastened.
  • the bolts disclosed in Patent Documents 1 and 2 are configured so that once the fastening bolt and the fastening bolt are tightened, they cannot be removed as they are, but when the head of the bolt is exposed, Danger of being removed from the object to be fastened by the action of pulling up the fastening bolt 220 upward to create an interval h at the joint between the fastening bolt 220 and the fastening bolt 210 and forcibly destroying and removing the bolt shaft 221 having a small diameter. There is sex.
  • an adhesive is injected into a meshing portion between the locking portion provided on the fastening bolt and the locking portion provided on the fastening bolt, the fastening bolt and the fastening bolt are bonded, the fastening bolt is rotated, and the object to be fastened There is a risk that A and B are unfastened.
  • the present invention provides a fastening bolt comprising a first locking portion provided at one end, a bolt shaft having a recess formed in the center, and the fastening bolt in one direction on a surface facing the locking portion of the fastening bolt.
  • a tightening bolt having a head portion provided with a second locking portion that rotates only on the head, a fastening shaft that is detachably attached to the head portion and is inserted into the recess, and a lock that is fixed to the fastening shaft. It is the bolt which consists of a part.
  • the present invention provides a fastening bolt comprising a first locking portion provided at one end, a bolt shaft having a recess formed in the center, and the fastening bolt in one direction on a surface facing the locking portion of the fastening bolt.
  • a tightening bolt having a head portion provided with a second locking portion that rotates only on the head, a fastening shaft that is detachably attached to the head portion and is inserted into the recess, and a lock that is fixed to the fastening shaft.
  • the fastening bolt is a bolt characterized in that a fixing portion for preventing rotation is provided at a predetermined position of the fastening shaft.
  • the bolt of the present invention is a bolt that, once tightened, is extremely difficult to bond the fastening bolt and the fastening bolt with an adhesive or the like, and is difficult to loosen or remove.
  • the bolt when the bolt is removed if necessary, it is a theft prevention bolt that can be disassembled and removed using a special tool and can be reused even after the removal.
  • the bolt of the present invention covers the joint portion between the fastening bolt and the fastening bolt with the covering member, the joint portion cannot be joined with an adhesive or the like, and therefore the bolt cannot be easily removed. Yes. Therefore, it is extremely difficult to join the joining portion of the fastening bolt and the fastening bolt with an adhesive or the like and remove both the bolts as one body, and a highly safe bolt can be provided. In addition, if the tightening bolt is damaged and removed after the bolt is tightened, the tightening bolt disappears, so that it can be determined at a glance that the bolt has been removed.
  • FIG. 1 shows an embodiment of the anti-theft bolt of the present invention, in which (A) is a partially cutaway front view, (B) is a cross-sectional view, and (C) is an explanatory view showing a use state.
  • the other embodiment of this invention antitheft bolt is shown, (A) is a top view of a fastening bolt, (B) is a front view of a fastening bolt, (C) is sectional drawing which shows the assembled state, (D ) Is a sectional view taken along line XX of (C). It is explanatory drawing which shows the use condition of this invention antitheft bolt shown in FIG.
  • FIG. 1A is a partially cutaway front view showing a bolt 10 according to Embodiment 1 of the present invention
  • FIG. 1B is a cross-sectional view of the bolt 10
  • FIG. 1C is an explanatory view showing a use state of the bolt 10. is there.
  • the bolt 10 according to the first embodiment includes a fastening bolt 20, a fastening bolt 30, a lock portion 40, and a covering member 50.
  • the fastening bolt 20 includes a fastening bolt shaft 22 having a recess 21 at the center thereof, and a spiral groove 23 is formed on the surface of the fastening bolt shaft 22.
  • a first serration 24 is provided on the head of the fastening bolt shaft, and a locking portion 25 is formed on the surface of the first serration 24.
  • a stopper 29 having a through-hole (narrow portion) 28 that is larger than the shaft diameter of a tightening bolt shaft 31 described later and smaller than the diameter of a lock portion 40 described later is fixed to the opening portion of the recess 21. In other words, the opening of the recess 21 is narrowed by a through hole 28 formed in the plug 29.
  • the first serration 24 and the stopper 29 are separately prepared and fixed to the fastening bolt shaft 22.
  • the first serration 24 and the stopper 29 are integrally configured.
  • the first serration 24 may be provided with a through hole (narrow portion) 28.
  • the function of the 1st serration can be given to the head of the fastening bolt shaft 22, and the function of the latching
  • a first locking portion 25 is formed which becomes a locking portion when rotating in one direction and does not become a locking portion when rotating in the reverse direction.
  • the first locking portion 25 shown in FIG. 1 includes a plurality of slidable contact surfaces 26 and a sloped surface 27 that has the slashed surface 26 as an apex and is lowered into a wedge-shaped slope shape of a slanted conical surface.
  • the tightening bolt 30 includes a tightening bolt shaft 31 into which a lower body is slidably inserted into a recess 21 provided in the fastening bolt shaft 22, and a second serration 32 provided on the tightening bolt shaft 31.
  • a lock portion 40 is formed at the rear end of the tightening bolt shaft 31 opposite to the second serration 32 of the tightening bolt 30.
  • the tightening bolt 30 includes a tightening bolt shaft 31 that is slidably inserted into a recess 21 formed in the fastening bolt shaft 22 and a second serration 32.
  • the surface of the second serration 32 that faces the first locking portion 25 provided in the first serration is locked to the first locking portion 25 provided in the fastening bolt 20 so that the fastening bolt 20 is in one direction.
  • a second locking portion 35 that rotates only in the direction of tightening the bolt is formed. As shown in the drawing, the second locking portion 35 contacts the contact surface 26 of the first locking portion 25, and a contact portion 36 that applies a rotational force in one direction to the contact surface 26 of the first locking portion 25; And an inclined surface 37 that has a wedge-shaped inclined surface with an inclined conical surface with the corresponding contact portion 36 as the apex, and meshes with the first locking portion 25 to rotate the fastening bolt 20 in one direction, It is configured to run idle.
  • the lock portion 40 is attached to the bottom portion of the tightening bolt shaft 31 to prevent the tightening bolt 30 from coming off from the fastening bolt 20, and thus the lock portion 40 narrows the opening of the recess 21 of the fastening bolt 20. It is configured to be larger than the hole diameter of the through hole (narrow part) 28 and smaller than the hole diameter of the recess 21.
  • the lock portion 40 only needs to play the role of preventing the fastening bolt 30 from coming off the fastening bolt 20, so that the shape thereof can be formed in a circular shape, a polygonal shape, a rod shape, etc., and the attachment to the fastening bolt shaft 31 is screwed, It can be attached by welding or bonding with an adhesive.
  • the stopper 29 (or the first serration 24) is passed through the fastening bolt shaft 31, and the lock portion 40 is fixed to the bottom portion of the fastening bolt shaft 31.
  • the lock part 40 is inserted into 21.
  • the stopper 29 (or the first serration 24) is fixed to the fastening bolt shaft 22.
  • the stopper 29 is fixed to the opening of the recess 21.
  • the stopper 29 is fixed to the fastening bolt shaft 22 or the opening of the recess 21 by any method such as welding or adhesive, but the fastening bolt 20 and the fastening bolt 30 are fixed so that they cannot be easily separated.
  • the plug 29 and the first serration 24 can be configured as one component.
  • a spring member (spring) 41 is inserted between the lock portion 40 and the stopper 29.
  • the spring member 41 plays a role of always contacting the second serration 32 of the fastening bolt 30 with the head of the fastening bolt 20. That is, the fastening bolt 20 and the fastening bolt 30 are configured as if they are integrated.
  • the spring member 41 can be omitted when the function is not required.
  • Reference numeral 39 is a rotating portion provided in the tightening bolt 30 for rotating the tightening bolt 30 by the third tool.
  • the illustrated rotating portion 39 is a range in which, for example, a range is inserted and the tightening bolt 30 is rotated. It is a mounting hole.
  • the rotation part 39 for rotating the tightening bolt 30 may be in the form of a hexagonal bolt, a pan head screw, a round head screw, or the like.
  • the rotation part may be any structure that can rotate the tightening bolt 30. Of course, any shape is possible.
  • the covering member 50 is configured to cover the joint portion between the locking portion 25 of the fastening bolt 20 and the locking portion 35 of the fastening bolt 30.
  • the covering member 50 is configured in the shape of a cap that covers the joint portion between the fastening bolt 20 and the second serration 32 from the head of the fastening bolt 30.
  • a groove 51 is formed on the inner wall of the covering member 50, and the covering member 50 is attached to the tightening bolt 30 so that it is difficult to remove the groove 51 by engaging with a locking protrusion 38 provided on the side of the tightening bolt 30. It has a configuration.
  • the fastened object B is screwed into the spiral groove 23 of the fastening bolt 20 as shown in FIG.
  • the spiral groove C to be cut is cut, and the fastening bolt 20 is screwed into the spiral groove C.
  • a hexagonal range (not shown) is inserted into a rotating portion 39 of a hexagonal groove provided on the head of the tightening bolt 30 and rotated so that the locking portion 35 provided on the second serration 32 is connected to the fastening bolt 20.
  • the fastening bolts 20 are rotated by meshing with the locking portions 25 provided on the fastening bolts 20, and the fastening bolts 20 are screwed into the spiral grooves C of the fastening objects (A,) B to fasten the fastening objects A, B.
  • the covering member 50 is formed in the shape of a cap that covers the head of the tightening bolt 30, and is pressed and fitted so as to get over the locking protrusion 38 provided on the side of the bolt 30, and is inserted into a groove 51 provided on the inner wall of the covering member. It can be attached so that it is difficult to remove by engaging the locking projection 38.
  • the covering member 50 By attaching the covering member 50, the joint portion between the locking portion 35 provided on the second serration 32 and the locking portion 25 provided on the fastening bolt 20 is covered.
  • the rotation part 39 provided in the head part of the clamping bolt 30 is also covered by attaching the cap-shaped covering member 50, and it becomes difficult to rotate the clamping bolt 30.
  • the covering member 50 covers the joint portion between the fastening bolt 20 and the second serration 32. Accordingly, an adhesive or the like is injected into the joint portion between the fastening bolt 20 and the second serration 32 to bond them together, and the fastening bolt 30 is turned to rotate the fastening bolt 20 in a direction in which the fastening is released, thereby releasing the fastening.
  • the joint portion between the fastening bolt 20 and the second serration 32 is not exposed, it is almost impossible to bond them, and the anti-theft function is sufficiently achieved, so that the safety is improved.
  • the covering member 50 since the covering member 50 has a hat shape, the covering member 50 covers the rotating portion 39 provided on the head of the tightening bolt 30, so that the rotation of the bolt by the third tool can be prevented.
  • the fastener can be protected from theft. Further, when the tightening bolt 30 is damaged due to an illegal act or the like, it is found that there is no covering member or the tightening bolt as viewed from the outside, and thus it is also possible to monitor theft prevention.
  • FIG. 2 shows the antitheft bolt 60 of the present invention.
  • A is a plan view of a fastening bolt 70 constituting the antitheft bolt 60
  • B is a front view thereof
  • C is an antitheft bolt.
  • 60 is a cross-sectional view showing a state in which the fastening bolt 70 and the fastening bolt 80 that constitute 60 are assembled
  • D is a cross-sectional view taken along line XX of (C).
  • the anti-theft bolt 60 of this embodiment includes a fastening bolt 70, a fastening bolt 80, and a lock portion 40.
  • the fastening bolt 70 includes a fastening bolt shaft 72 having a recess 71 at the center thereof, and a spiral groove 73 is formed on the surface of the fastening bolt shaft 72.
  • the fastening bolt 70 is provided with a first serration 74 at the head of the fastening bolt shaft 72, and a first locking portion 75 is formed on the surface of the first serration 74.
  • the recess 71 is a through hole, and the hole of the recess 71 (through hole) is larger than the shaft diameter of a fastening shaft 84 described later and smaller than the diameter of a lock portion 40 described later.
  • a through hole 712 that is continuous with the bolt shaft insertion hole 711 and that is larger in diameter than the lock portion 40 described later. That is, as shown in the drawing, the hole diameter of the recess (through hole) 71 has two steps, and the lock portion 40 is locked to the step portion 713 so that the lock portion 40 cannot be removed.
  • the recess 71 provided in the bolt shaft 72 is a through hole.
  • the recess 71 may be a recess in which a part of the bolt shaft is dug down as shown in FIG.
  • the stepped portion 713 of the recess 71 provided on the bolt shaft 72 may be a simple protrusion. In other words, any configuration that does not allow the lock unit 40 to be removed is acceptable.
  • Reference numeral 41 denotes a spring.
  • a first locking portion 75 is formed on the surface of the head of the first serration 74 provided on the fastening bolt shaft 72 so as to become a locking portion when rotating in one direction and not as a locking portion when rotating in the reverse direction.
  • the first locking portion 75 includes a plurality of slidable contact surfaces 751, and an inclined surface 752 that lowers in a wedge-shaped inclined surface of the oblique cone surface with the struck surface 751 as an apex.
  • the center of the first serration 74 is formed with a polygonal (hexagonal in the figure) rotating portion 76 as shown in FIGS.
  • the rotating portion 76 is formed as a recess or a through hole at the center of the first serration 74, or is formed at the top of the fastening bolt shaft 72.
  • the rotating portion 76 is configured such that when it is necessary to remove the fastening bolt 70, a tool such as a screwdriver (not shown) is attached and the fastening bolt 70 can be turned and removed.
  • the fastening bolt shaft 72 and the first serration 74 may be formed separately as described above and bonded together by welding, bonding, or the like, or may be formed integrally.
  • the fastening bolt 80 is provided on the head portion 81, a fastening shaft 84 detachably attached to the head portion 81, and slidably inserted into a recess 71 provided on the fastening bolt shaft 72. It consists of a second serration 82.
  • a lock portion 40 is formed at the rear end of the fastening shaft 84 opposite to the head portion 81 of the fastening bolt 80.
  • the head 81 of the tightening bolt 80 has an outer periphery formed into a hexagon as shown in FIG. 2D, and is configured to be rotatable with a spanner or the like.
  • a second serration 82 is joined to the head portion 81. Note that the head portion 81 can have the function of the second serration 82 and the second serration can be omitted.
  • the surface of the second serration 82 that faces the first locking portion 75 provided on the first serration 74 is locked to the first locking portion 75 provided on the fastening bolt 70, and the fastening bolt 70 is placed on one side.
  • a second locking portion 85 that rotates only in the direction (the direction in which the bolt is tightened) is formed.
  • the second locking portion 85 is in contact with the contact surface 751 of the first locking portion 75 as shown in the figure, and a contact portion 851 that applies a rotational force in one direction to the contact surface 751 of the first locking portion 75.
  • an inclined surface 852 having a corresponding conical portion 851 as an apex and lowering in the shape of a wedge-shaped inclined surface of an oblique conical surface, meshing with the first locking portion 75 and rotating the fastening bolt 70 in one direction, It is configured to run idle.
  • the fastening shaft 84 is screwed to the head portion 81 in a detachable manner.
  • the fastening shaft 84 is provided with a tool fixing portion 88 for preventing rotation.
  • the tool fixing portion 88 for preventing rotation separates the joint portion between the first locking portion 75 and the second locking portion 85, inserts a special tool from the gap, and presses the fastening shaft 84. If the fastening shaft 84 can be strongly pressed with a special tool, it can be omitted.
  • the shape of the tool fixing portion 88 may be, for example, a polygonal shape, two-sided chamfering as shown, unevenness due to sandblasting, etc., as long as the force of the tool is reliably transmitted to the fastening shaft 84 when pressed by the tool. .
  • the tool fixing portion 88 can also be used when the fastening shaft 84 is screwed to the head portion 81.
  • the lock portion 40 is attached to the bottom portion of the fastening shaft 84 to prevent the fastening bolt 80 from coming off from the fastening bolt 70. Therefore, the lock portion 40 is inserted into the recess 71 of the fastening bolt 70, and the recess For example, the size is configured to be locked to a stepped portion 713 provided in 71.
  • the lock portion 40 only needs to play the role of preventing the fastening bolt 80 from coming off from the fastening bolt 70, so that the shape of the lock portion 40 can be formed in a circular shape, a polygonal shape, a rod shape, and the like. It can be attached by bonding with an adhesive. By positioning the lock part 40 inside the recess 71, it is possible to effectively protect the lock part 40 from being damaged, and this is preferable.
  • the head portion 81 and the second serration 82 are joined by welding, an adhesive, or the like. Note that this is not the case when the head portion 81 and the second serration 82 are integrally formed.
  • the fastening shaft 84 is screwed onto the head portion 81 to complete the fastening bolt 80.
  • the first serration 74 is joined to the fastening bolt shaft 72 by welding, an adhesive, or the like to obtain the fastening bolt 70. This is not the case when the fastening bolt shaft 72 and the first serration 74 are integrally formed.
  • the fastening bolt fastening shaft 84 is inserted into the recess (through hole in the embodiment) 71 of the fastening bolt 70, and the lock portion 40 is inserted from the bottom of the recess (through hole) 71 and screwed to the bottom of the fastening shaft 84. Bond with an adhesive. If necessary, a spring member (spring) 41 is attached to a fastening bolt between the lock portion 40 and the step of the recess (through hole) 71.
  • the spring member 41 plays a role of always contacting the second serration 82 of the fastening bolt 80 with the head of the fastening bolt 70. That is, the fastening bolt 70 and the fastening bolt 80 are configured as if they are integrated.
  • the spring member 41 can be omitted when the function is not required.
  • the outside of the head part 81 is formed in a hexagonal shape. By forming the hexagonal shape, it is easy to turn the fastening bolt 80, and the fastening bolt 80 is turned to make it easy to fasten the fastening bolt 70 to the object to be fastened.
  • the outside of the head portion 81 may be circular or spherical without being hexagonal, and a hexagonal recess (see, for example, FIG. 1) may be formed on the top of the head 81, and the tightening bolt may be rotated through the recess. Good. In any case, it is a matter of course that any shape may be used as long as the tightening bolt 80 can be rotated.
  • a covering member 800 (corresponding to the covering member 50 shown in FIG. 3) that covers the joint portion between the locking portion 75 and the second locking portion 85 is configured by extending the skirt of the tightening bolt 80 into a sleeve shape. is doing. As described above, the covering member 800 is configured to cover the joint portion between the locking portion 75 of the fastening bolt 70 and the locking portion 85 of the fastening bolt 80.
  • the covering member 800 formed of a sleeve portion is provided integrally with the head portion of the tightening bolt 80. Since the covering member 50 achieves its role by covering the joint between the locking portion 85 provided on the fastening bolt 80 and the locking portion 75 provided on the fastening bolt 70, its shape and the like are designed arbitrarily. can do. Some design examples will be described later.
  • the fastening bolts 80 are rotated in the removal direction (the direction opposite to the fastening direction) in order to remove this connection.
  • the locking portion 75 and the second locking portion 85 are idle so that the rotational force of the second serration 82 is not applied to the fastening bolt 70 and does not rotate in the direction in which the fastening bolt 70 is removed. It cannot be removed as it is.
  • the fastening bolt 80 When it becomes necessary to remove the fastening bolt 70 from the article to be fastened due to an urgent request, the fastening bolt 80 is pulled in a direction to isolate it from the fastening bolt 70.
  • the fastening bolt When the fastening bolt is pulled against the force of the spring member (spring) 41, a slight gap h is generated at the joint between the first locking portion 75 and the second locking portion 85 (see FIG. 3).
  • the width of the gap h can be arbitrarily adjusted by the position of the step provided in the through hole and the length of the fastening shaft.
  • the width of the gap h is large, a general tool such as pliers may be sandwiched in the gap h, and the fastening shaft and the fastening bolt may be easily separated by fixing the fastening shaft with the tool and removing the head portion from the fastening shaft. Design this interval with great care. If the distance h is too narrow, the special tool cannot be inserted and the fastening bolt and the fastening bolt cannot be disassembled. Therefore, the minimum distance h at which the special tool can be inserted is set. That is, for example, it is preferable to prepare a special tool in which the holding part of the pliers is thin and set the interval h so that the thin part of the tool can enter.
  • the covering member 50 covers the joint portion between the fastening bolt 20 and the second serration 32. Accordingly, an adhesive or the like is injected into the joint portion between the fastening bolt 20 and the second serration 32 to bond them together, and the fastening bolt 30 is turned to rotate the fastening bolt 20 in a direction in which the fastening is released, thereby releasing the fastening.
  • the joint portion between the fastening bolt 20 and the second serration 32 is not exposed, it is almost impossible to bond them, and the anti-theft function can be sufficiently performed to improve safety.
  • the covering member 50 since the covering member 50 has a hat shape, the covering member 50 covers the rotating portion 39 provided on the head of the tightening bolt 30, so that the rotation of the bolt by the third tool can be prevented.
  • the fastener can be protected from theft. Further, when the tightening bolt 30 is damaged due to an illegal act or the like, it is found that there is no covering member or the tightening bolt as viewed from the outside, and thus it is also possible to monitor theft prevention.
  • the first locking portion 25 is directly formed on the head of the fastening bolt 20, and the second locking portion 35 is directly formed on the surface facing the first locking portion 25 of the fastening bolt 30.
  • both the locking portions 25 and 35 are covered with a covering member 50.
  • FIG. 5 shows that the first locking portion 25 is formed directly on the head of the fastening bolt 20, the fastening bolt 30 is composed of the fastening bolt shaft 31 and the second serration 32, and the first locking portion 25 of the second serration
  • the second locking portion 35 is formed on the facing surface, and the both locking portions 25 and 35 are covered with the covering member 50 to form a hat shape.
  • the detailed configuration of this embodiment is the same as that of the above-described embodiment, and the operational effects are the same as those of the above-described embodiment.
  • the fastening bolt shaft 31 and the second serration 32 are configured separately and connected to each other, thereby providing an advantage that the design and manufacture of the fastening bolt 30 can be facilitated.
  • FIG. 6 shows that the first serration 24 is connected to the bolt shaft 22 of the fastening bolt 20, the first locking portion 25 is formed on the first serration 24, and the first locking portion 25 of the tightening bolt 30 faces the first locking portion 25.
  • the two locking portions 35 are directly formed, and both the locking portions 25 and 35 are covered with the covering member 50 so as to form a hat shape.
  • the detailed configuration of this embodiment is the same as that of the above-described embodiment, and the operational effects are the same as those of the above-described embodiment. With this configuration, there is an advantage that the fastening bolt 20 can be easily designed and manufactured.
  • FIG. 7 shows that the first serration 24 is connected to the bolt shaft 22 of the fastening bolt 20, the first locking portion 25 is formed in the first serration 24, and the fastening bolt 30 is composed of the fastening bolt shaft 31 and the second serration 32.
  • the second locking portion 35 is formed on the surface of the second serration 32 facing the first locking portion 25, and the both locking portions 25, 35 are covered with the covering member 50 in the shape of a hat. is there.
  • the detailed configuration of this embodiment is the same as that of the above-described embodiment, and the operational effects are the same as those of the above-described embodiment. By configuring in this way, there is an advantage that the design and manufacture of the fastening bolt 20 and the fastening bolt 30 are facilitated.
  • FIG. 8 shows a second embodiment of the covering member 600 of the present invention.
  • the difference from the above embodiment is the structure of the covering member.
  • the second embodiment is an example in which the covering member 600 is fixed between the lower portion of the first serration 24 of the fastening bolt 20 and the surface of the article A to be fastened.
  • the covering member 600 is inserted between the lower portion of the first serration 24 of the fastening bolt 20 and the surface of the article A to be fastened, and a locking portion 610 for fixing the covering member 600, and a covering portion (frame) rising from the locking portion 610 ) 620, and as shown in the figure, the covering portion 600 covers the joint portion of both bolts by sandwiching the engaging portion 610 between the lower portion of the first serration 24 and the surface of the article A to be fastened by the covering member 600.
  • the joint portion of both the locking portions 25 and 35 can be covered.
  • the outer diameter of the serration 32 portion of the tightening bolt 30 is designed to be larger than the outer diameter of the tightening bolt 30, and a ring is formed between the lower portion of the serration 32 and the surface of the object A to be fastened. 700 is inserted, and the joint portion of both bolts 20 and 30 is covered with the ring 700.
  • the detailed configuration of this embodiment is the same as that of the above-described embodiment, and the operational effects are the same as those of the above-described embodiment. Therefore, the same parts are denoted by the same reference numerals and detailed description thereof is omitted.
  • FIG. 10 shows a modification of the third embodiment.
  • the ring 700 is configured by one ring, but in the present embodiment, the ring 700 is configured by a plurality of rings 710, 710,.
  • the distance between the portion of the second serration 32 and the article A to be fastened can be adjusted by the number of the rings 710, and there is an advantage that it is easy to handle on site.
  • FIG. 11 shows a modification of the embodiment shown in FIG. 9, in which the fastening bolt 30 is manufactured separately from the fastening bolt shaft 31 and the second serration 32 having the locking portion 35, and the bolt shaft 31 and the second serration 32 are produced.
  • the locking portion 25 of the fastening bolt 20 is directly provided on the fastening bolt shaft 22.
  • the detailed configuration of this embodiment is the same as that of the above-described embodiment, and the operational effects are the same as those of the above-described embodiment. Therefore, the same parts are denoted by the same reference numerals and detailed description thereof is omitted.
  • the ring 700 may be a single ring or a plurality of rings.
  • the bolt shaft 31 and the second serration 32 are separately created and joined, so that the design of the tightening bolt 30 becomes easier.
  • FIG. 12 is a modification of the embodiment shown in FIG. 9, and the tightening bolt 30 is formed by integrally forming the tightening bolt shaft 31 and the locking portion 35, and the fastening bolt shaft 22 and the locking portion 25 (first step) of the fastening bolt 20.
  • This is a configuration example in which one serration 24) is manufactured separately and the bolt shaft 22 and the serration 24 are bonded.
  • the detailed configuration of this embodiment is the same as that of the above-described embodiment, and the operational effects are the same as those of the above-described embodiment. Therefore, the same parts are denoted by the same reference numerals and detailed description thereof is omitted.
  • the ring 700 may be a single ring or a plurality of rings.
  • FIG. 13 is a modification of the embodiment shown in FIG. 9, and the tightening bolt 30 has a structure in which a tightening bolt shaft 31 and a locking portion 35 (second serration 32) are manufactured and bonded separately, and the tightening bolt
  • 20 fastening bolt shafts 22 and locking portions 25 are manufactured separately and the bolt shafts 22 and serrations 24 are bonded.
  • the detailed configuration of this embodiment is the same as that of the first embodiment described above, and the operational effects are the same as those of the above-described embodiment. Therefore, the same parts are denoted by the same reference numerals and detailed description thereof is omitted.
  • the ring 700 may be a single ring or a plurality of rings.
  • FIGS. 14 to 18 show a fourth embodiment of the present invention.
  • the fastening bolt 30 and the covering member 800 are integrally formed.
  • FIG. 14 shows one of the fourth embodiments.
  • a covering member 800 is provided below the fastening bolt 30, and the covering member 800 is configured to cover the joint portions of the locking portions 25 and 35 of both bolts 20 and 30. is doing.
  • a covering member 800 that covers the joint between the first locking portion 25 and the second locking portion 35 is provided integrally with the tightening bolt 30.
  • the covering member 800 is configured so that the outer periphery of the fastening bolt 30 is larger than the outer periphery of the fastening bolt 30 and extends downward in a frame shape.
  • the length of the covering member 800 may be a length that covers the joint portion between the first locking portion 25 and the second locking portion 35, and is covered when the fastening object A (not shown) is tightened with the fastening bolt 20.
  • the length is selected so that the member 800 does not hinder.
  • the tightening bolt 30 of this embodiment is an example in which the bolt shaft 31, the locking portion 35, and the covering member 800 are integrally manufactured, and the configuration of details is the same as that of the above-described embodiment, and the operational effects are the above-described embodiment.
  • the same parts are denoted by the same reference numerals, and detailed description thereof is omitted.
  • integrally configuring the tightening bolt and the covering member there is an advantage that an increase in the number of parts can be suppressed and an on-site response is facilitated.
  • FIG. 15 is a modification of the embodiment shown in FIG. 14, in which the bolt shaft 31 of the fastening bolt 30 and the second serration 32 are manufactured separately, and both are joined, while the locking portion 25 of the fastening bolt 20 is fastened.
  • the bolt shaft 22 is directly provided.
  • FIG. 16 is a modification of the embodiment shown in FIG. 14, in which the bolt shaft 22 and the first serration 24 of the fastening bolt 20 are manufactured separately, and both are joined. Further, in the embodiment in which the bolt shaft 31 and the second serration 32 of the fastening bolt 30 are integrally manufactured, there is an advantage that the manufacture of the fastening bolt 20 is facilitated by such a configuration. Note that the detailed configuration is the same as that of the above-described embodiment, and the operational effects are the same as those of the above-described embodiment.
  • FIG. 17 is a modification of the embodiment shown in FIG. 14, in which the bolt shaft 22 and the first serration 24 of the fastening bolt 20 are manufactured separately, and both are joined.
  • the bolt shaft 31 and the second serration 32 of the fastening bolt 30 are manufactured separately and joined, there is an advantage that the fastening bolt 20 and the fastening bolt 30 can be easily manufactured by configuring in this way. is there. Note that the detailed configuration is the same as that of the above-described embodiment, and the operational effects are the same as those of the above-described embodiment.
  • FIG. 18 is a modification of the embodiment shown in FIG. 14, in which the bolt shaft 22 of the fastening bolt 20 and the first serration 24 are manufactured separately, and the outer diameter of the first serration 24 is the outer diameter of the bolt shaft 22. It is the Example which comprised larger and joined both. Further, the bolt shaft 31 and the second serration 32 of the fastening bolt 30 are manufactured separately, and both are joined. Thus, by enlarging the outer diameter of the first serration, the force of the tightening bolt can be received as a larger force, and there is an advantage that the tightening bolt 30 can be tightened with a small force. Note that the detailed configuration is the same as that of the above-described embodiment, and the operational effects are the same as those of the above-described embodiment.
  • FIG. 19 shows a modified example of the bolt shown in FIGS. 14 to 18, wherein the second serration 32 and the covering member 800 provided in a frame shape are integrally manufactured and joined to the bolt shaft 31, and the detailed configuration is as described above. Since it is the same as the embodiment and the operational effects are the same as those of the above-described embodiment, the same parts are denoted by the same reference numerals and detailed description thereof is omitted.
  • the present invention can prevent the act of covering the joint portion of the both locking portions with the covering member as described above and removing the fastening bolt by joining the fastening bolt and the fastening bolt with an adhesive or the like. It is an effective bolt for crime prevention and theft prevention.

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

Abstract

L'invention concerne un boulon que l'on peut serrer sans recourir à un outil spécial, qui ne peut se relâcher après avoir été serré, et que l'on peut enlever dans les situations d'urgence. Le boulon antivol comprend: un boulon de fixation comprenant une première section verrouillage prévue à une extrémité de celui-ci et une tige de boulon au centre de laquelle une concavité est creuse; un boulon de serrage qui a une section tête prévue à la surface regardant la section verrouillage dudit boulon de fixation et une seconde section verrouillage, qui fait tourner ledit boulon de fixation uniquement dans un sens, et qui a un tige de fixation fixé amovible à ladite section tête et inséré dans ladite concavité; et une section verrouillage fixée à ladite tige de fixation. En outre, le boulon antivol est pourvu d'un élément enveloppe qui recouvre la section raccordement de la section verrouillage du boulon de fixation susmentionné et la section verrouillage du boulon de serrage susmentionné. L'élément enveloppe précité peut être configuré sous la forme de chapeau, de bague et de manchon.
PCT/JP2011/063576 2010-06-15 2011-06-14 Boulon WO2011158824A1 (fr)

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JP2010-154671 2010-07-07

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CN104963926A (zh) * 2015-07-22 2015-10-07 苏州迪诺环保科技有限公司 一种带有把手的螺钉
CN105889271A (zh) * 2014-12-19 2016-08-24 遵义勤乐五金建材加工厂 一种野外用防盗螺栓
CN106949128A (zh) * 2017-04-27 2017-07-14 中船重工中南装备有限责任公司 盖板螺钉头保护结构
CN107269667A (zh) * 2017-07-12 2017-10-20 湖北二电电气有限公司 一种电机防盗螺栓及其拆除工具
CN108488194A (zh) * 2018-06-09 2018-09-04 海盐卫士标准件有限公司 一种不易拧松的防盗螺母
CN109340244A (zh) * 2018-12-07 2019-02-15 浙江盛世瑞金紧固件有限公司 一种具有防松防盗功能的螺栓
CN109714924A (zh) * 2019-02-21 2019-05-03 山西全安新技术开发有限公司 一种用于紧固防爆电气设备腔体的方法及装置
CN110332210A (zh) * 2019-07-05 2019-10-15 谭士龙 一种高强度防盗型螺钉紧固件
JP7458677B1 (ja) 2023-01-26 2024-04-01 ユニオンクリエイト株式会社 アルミホイール用意匠カバー

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JP2003113829A (ja) * 2001-10-03 2003-04-18 Nishioka Byora Kk 締結部取外し防止具
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105889271A (zh) * 2014-12-19 2016-08-24 遵义勤乐五金建材加工厂 一种野外用防盗螺栓
CN104963926A (zh) * 2015-07-22 2015-10-07 苏州迪诺环保科技有限公司 一种带有把手的螺钉
CN106949128A (zh) * 2017-04-27 2017-07-14 中船重工中南装备有限责任公司 盖板螺钉头保护结构
CN107269667B (zh) * 2017-07-12 2022-09-23 湖北二电电气有限公司 一种电机防盗螺栓及其拆除工具
CN107269667A (zh) * 2017-07-12 2017-10-20 湖北二电电气有限公司 一种电机防盗螺栓及其拆除工具
CN108488194A (zh) * 2018-06-09 2018-09-04 海盐卫士标准件有限公司 一种不易拧松的防盗螺母
CN108488194B (zh) * 2018-06-09 2023-06-09 海盐卫士标准件有限公司 一种不易拧松的防盗螺母
CN109340244A (zh) * 2018-12-07 2019-02-15 浙江盛世瑞金紧固件有限公司 一种具有防松防盗功能的螺栓
CN109340244B (zh) * 2018-12-07 2023-11-21 浙江盛世瑞金紧固件股份有限公司 一种具有防松防盗功能的螺栓
CN109714924A (zh) * 2019-02-21 2019-05-03 山西全安新技术开发有限公司 一种用于紧固防爆电气设备腔体的方法及装置
CN109714924B (zh) * 2019-02-21 2024-06-04 山西全安新技术开发有限公司 一种用于紧固防爆电气设备腔体的方法及装置
CN110332210A (zh) * 2019-07-05 2019-10-15 谭士龙 一种高强度防盗型螺钉紧固件
CN110332210B (zh) * 2019-07-05 2021-02-12 山东九佳紧固件股份有限公司 一种高强度防盗型螺钉紧固件
JP7458677B1 (ja) 2023-01-26 2024-04-01 ユニオンクリエイト株式会社 アルミホイール用意匠カバー

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