KR101240531B1 - Bolt unit - Google Patents

Bolt unit Download PDF

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Publication number
KR101240531B1
KR101240531B1 KR1020100049714A KR20100049714A KR101240531B1 KR 101240531 B1 KR101240531 B1 KR 101240531B1 KR 1020100049714 A KR1020100049714 A KR 1020100049714A KR 20100049714 A KR20100049714 A KR 20100049714A KR 101240531 B1 KR101240531 B1 KR 101240531B1
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KR
South Korea
Prior art keywords
stopper
bolt
bolt rod
rotated
nut
Prior art date
Application number
KR1020100049714A
Other languages
Korean (ko)
Other versions
KR20110130192A (en
Inventor
박지웅
정웅섭
Original Assignee
정웅섭
주식회사 에코솔라텍
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Publication date
Application filed by 정웅섭, 주식회사 에코솔라텍 filed Critical 정웅섭
Priority to KR1020100049714A priority Critical patent/KR101240531B1/en
Publication of KR20110130192A publication Critical patent/KR20110130192A/en
Application granted granted Critical
Publication of KR101240531B1 publication Critical patent/KR101240531B1/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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
    • F16B13/0808—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation by a toggle-mechanism

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

A threaded bolt rod; A nut screwed to one side of the bolt rod; A stopper provided to be rotatable on the other side of the bolt rod, the pivot being rotated to a first position when the bolt rod is inserted into a bolt hole of an object to be rotated, and to a second position when the nut is fastened to the object to be fastened; A bolt unit and a fastening method using the same are described.

Description

Bolt Unit {BOLT UNIT}

The present invention relates to a bolt unit for clamping a fastened object and a fastening method of the bolt unit.

Bolts and nuts are used as a means of securing the object to be fixed.

For example of a general bolt, the bolt rod is formed with a thread, a hex head is provided at one end of the bolt, the bolt rod extends from the hex head toward the other end of the bolt, and the nut is coupled to the other end of the bolt rod. It is structured.

As another example, the first nut and the second nut are disposed at both ends of the threaded bolt rod, respectively, and the second nut is clamped while the first nut is held by the wrench to fix the object.

As another example, there is a stud bolt that folds one end of a threaded bolt rod and embeds it in concrete, and fastens the object by tightening a nut on the other end of the bolt rod.

However, these conventional bolts need to be provided with a hexagonal head, a separate nut, and a bent part on the opposite side to which the nut is fastened when the nut is tightened to fix the fastened object, and then hold it with a wrench or embed it in concrete. . Therefore, the fastening work of the nut is very inconvenient, holding a tool such as a wrench in both hands, there was a problem that the fastening work on both sides of the bolt rod.

The present invention is to improve the above-mentioned problems, when the nut for fixing the fastening object, the bolt unit and the fastening method that can prevent the bolt rod from the outer side without holding the other side of the nut with a wrench It is to provide.

The bolt unit of the present invention, the threaded bolt rod; A nut screwed to one side of the bolt rod; A stopper provided to be rotatable on the other side of the bolt rod, the pivot being rotated to a first position when the bolt rod is inserted into a bolt hole of an object to be rotated, and to a second position when the nut is fastened to the object to be fastened; .

The fastening method of the bolt unit of the present invention includes the steps of preparing a bolt unit, the nut is screwed to one side of the bolt rod and the stopper is rotatably coupled to the other side of the bolt rod; Rotating the stopper to a first position in which the stopper lies parallel to the axial direction of the bolt rod, and then passing the bolt rod through a bolt hole formed in the object to be fastened; Rotating the stopper to a second position where the stopper is placed parallel to the radial direction of the bolt rod when the stopper is exposed from the bolt hole; Tightening the nut to fasten the bolt unit and the object to be fastened; .

According to the present invention, a stopper is installed as a means for preventing the bolt rods from being overlooked with the nut when the bolt rod is tightened with the nut, and the stopper is selectively rotated to the first position and the second position to be parallel to the bolt rod or to the bolt rod. Is perpendicular to. By the rotation of the stopper as described above has the advantage that the fastening and fastening of the bolt rod is easily made. In addition, the stopper may be plate-shaped, or the anti-rotation joint or the anti-rotation blade is provided on the stopper surface, whereby the fixing force of the stopper to the object to be fastened can be strengthened.

1 is a plan view showing one embodiment of the bolt unit of the present invention of the present invention.
2 is a side cross-sectional view of FIG. 1.
3 is a perspective view illustrating a state in which the bolt unit of FIG. 1 is inserted into an object to be fastened.
4 is a perspective view illustrating a state in which the bolt unit of FIG. 1 is fastened to a fastened object by tightening a nut.
5 and 6 are perspective views showing an embodiment of the present invention when the stopper fixing groove is not provided in the object to be fastened.
7 and 8 are perspective views showing various embodiments of the stopper of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. The sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience. In addition, terms defined in consideration of the configuration and operation of the present invention may be changed according to the intention or custom of the user, the operator. Definitions of these terms should be based on the content of this specification.

1 is a plan view showing one embodiment of the bolt unit of the present invention of the present invention. 2 is a side cross-sectional view of FIG. 1. 3 is a perspective view illustrating a state in which the bolt unit of FIG. 1 is inserted into the object to be fastened 10. 4 is a perspective view illustrating a state in which the bolt unit of FIG. 1 is fastened to the fastened object 10 by tightening the nut 110. With reference to Figures 1 to 4, the configuration and operation of the bolt unit and the fastening method using the bolt unit of the present invention will be described in detail.

The bolt unit of the present invention includes a bolt rod 100, a nut 110, and a stopper 120.

The bolt rod 100 is a rod having a thread 102 formed therein, and penetrates through the bolt hole 12 of the object 10. The nut 110 is screwed to one side of the bolt rod 100 to tighten the object 10, and on the other side of the bolt rod 100, the stopper 120 is in contact with the object to be bolted to the bolt rod. Prevent the 100 from turning with the nut (110).

The nut 110 is fitted to the bolt rod 100 and is screwed to the thread 102 of the bolt rod 100. Although shown there is illustrated a butterfly nut 110 that can be turned by hand, a hexagon nut 110 that can be turned by a wrench is also acceptable.

The stopper 120 is provided on the other side of the bolt rod 100 to be rotated, and selectively rotated to the first position and the second position. The stopper 120 is rotated to the first position when the bolt rod 100 is inserted into the bolt hole 12 of the object to be fastened, and the second position when the nut 110 is fastened to the object to be fastened 10. Is rotated to.

In this case, the stopper escape groove 126 is provided in the bolt rod 100. When the stopper escape groove 126 inserts the bolt rod 100 into the bolt hole 12, the stopper 120 is accommodated in the bolt rod 100 so that the stopper 120 is not caught by the bolt hole 12. Escape to avoid. For this purpose, the stopper escape groove 126 is opened in the axial direction of the bolt rod 100 or the radial direction of the bolt rod 100.

The stopper 120 is at least a bolt rod 100 so as to be firmly coupled to the object 10 to strengthen the fixing force 105 and to allow the stopper 120 to escape into the bolt rod 100 in the first position. It is preferable that the plate shape is thinner than the diameter of N).

When the stopper 120 rotates to the first position, the stopper 120 extends longer in the axial direction of the bolt rod 100 and is aligned in parallel in the axial direction of the bolt rod 100. Therefore, the stopper 120 is not caught by the bolt hole 12.

In addition, when the stopper 120 rotates to the second position, the stopper 120 extends longer in the radial direction of the bolt rod 100, is perpendicular to the axial direction of the bolt rod 100, and radial of the bolt rod 100. Aligned in parallel in the direction. Therefore, the stopper 120 is firmly fixed to the spotter fixing surface of the object 10.

That is, when the stopper 120 is rotated to the first position, at least one of one side and the other side of the stopper 120 is escaped into the bolt rod 100. When the stopper 120 is rotated to the second position, one side and the other side of the stopper 120 is firmly caught by the stopper fixing surface 11 of the object 10. Therefore, when the nut 110 is removed, the idle of the bolt rod 100 is suppressed.

A hinge structure is provided for the rotation of the stopper 120 in the first position or the second position. The hinge pin hole 106 is a hole penetrating the bolt rod 100 in the radial direction, and the hinge pin 122 is fitted into the hinge pin hole 106 and becomes a rotational central axis of the stopper 120.

On one side of the bolt rod 100 to which the nut 110 is coupled, a key groove 104 into which the key 105 is inserted is formed. When the key 105 is inserted into the key groove 104, the nut 110 may be prevented from being separated from the bolt rod 100 over time.

In FIG. 3, the stopper 120 is rotated to the first position, and in FIG. 4, the stopper 120 is rotated to the second position. That is, when the bolt rod 100 is inserted into the bolt hole 12, the state becomes as shown in FIG. 3, and a part of the bolt rod 100 penetrates through the bolt hole 12 so that the stopper 120 bolts the bolt hole 12. When exposed to the outside of the stopper 120 is rotated as shown in FIG.

In the embodiment of FIGS. 3 and 4, a stopper fixing groove 14 is provided for tight coupling of the stopper 120 and the stopper fixing surface 11. The stopper fixing groove 14 is a groove formed on the stopper fixing surface 11 of the object to be fastened by inserting and fixing one side and the other side of the stopper 120 rotated to the second position. Since the stopper 120 is formed in a plate shape, the stopper 120 is easily inserted into the stopper fixing groove 14 to prevent idling of the bolt rod 100.

5 and 6 are perspective views showing an embodiment of the present invention when the stopper fixing groove 14 is not provided in the object to be fastened 10. In this embodiment, the stopper 120 is directly contacted with the stopper fixing surface 11 so that the rotation of the bolt rod 100 is suppressed by the frictional force of the stopper 120 and the stopper fixing surface 11.

That is, the stopper 120 passes through the bolt hole 12 of the object 10 in the state rotated to the first position as shown in FIG. 5, and the stopper 120 passes through the bolt hole 12. As shown in FIG. 6, the stopper 120 rotated to the second position and the stopper 120 rotated to the second position face the contact object 10, thereby preventing rotation of the bolt rod 100.

On the other hand, Figures 7 and 8 are perspective views showing various embodiments of the stopper 120 of the present invention. As a means for tight coupling of the stopper 120 and the stopper fixing surface 11, an anti-rotation joint 140 is shown in FIG. 7 and an anti-rotation blade 150 is illustrated in FIG. 8. The anti-rotation joint 140 is a means for enhancing 105 the rotational suppression force of the bolt by increasing the friction force on the stopper fixing surface 11.

As shown, the rotation preventing joint 140 may have a shape in which a plurality of linear grooves cross each other, as well as a groove extending in parallel with each other in a straight line or a curve, or a protrusion protruding from the stopper surface.

Alternatively, an embodiment in which the anti-rotation member made of the same material as the stopper 120 as well as another material having a high coefficient of friction is coated on the surface of the stopper to increase the friction force 105. Examples of the anti-rotation member may be a material resistant to friction and abrasion, such as rubber or Teflon.

The anti-rotation blade 150 is an embodiment in which the anti-rotation blade 150 is firmly coupled to the stopper fixing surface 11 by the rotation of the nut 110. The anti-rotation blade 150 may have a cross-sectional area of the stopper 120 that is gradually smaller in shape like a blade. Embodiments in which grooves or protrusions are additionally formed at the end of the anti-rotation blade 150 are also possible.

Next, the fastening method of the bolt unit of this invention is demonstrated. First prepare the bolt unit. The configuration of the bolt unit has already been described.

Next, the stopper 120 rotates the stopper 120 to a first position in which the stopper 120 is placed in parallel with the axial direction of the bolt rod 100. Then, the bolt rod 100 is penetrated through the bolt hole 12 formed in the object 10.

Subsequently, when the stopper 120 is exposed from the bolt hole 12, the stopper 120 rotates the stopper 120 to a second position where the stopper 120 is placed in parallel with the radial direction of the bolt rod 100. The nut 110 is tightened to fasten the bolt unit and the object to be fastened 10. At this time, the stopper 120 rotated to the second position perpendicular to the bolt rod 100 is firmly fixed to the stopper fixing surface 11, thereby preventing the bolt rod 100 from appearing as the nut 110 rotates. do. As the tightening amount of the nut 110 increases, the rotational suppression force of the stopper 120 increases proportionally.

Meanwhile, the stopper 120 may be rotated to the second position, and then the stopper 120 may be inserted into the stopper fixing groove 14 formed in the object 10. The stopper 120 whose rotation is restricted by the stopper fixing groove 14 suppresses the rotation of the bolt rod 100 even more effectively.

In addition, when the stopper 120 is rotated to the second position and then the nut 110 is removed, the anti-rotation joint 140 or the anti-rotation blade 150 formed on a portion of the stopper 120 may have a fastened object 10. ) Is facing. Therefore, the frictional force between the stopper surface and the stopper fixing surface 11 is increased to further suppress the rotation of the bolt rod 100.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. Accordingly, the true scope of the present invention should be determined by the following claims.

10 ... object 11 ... stopper mounting surface
12 ... Bolt hole 14 ... Stopper retaining groove
100 Bolt Bolt 102 Screw Thread
104 ... Keyway 105 ... Key
106 ... Hinge Pin Hole 110 ... Nut
120 ... stopper 122 ... hinge pin
126 ... stopper escape groove 140 ... rotation prevention joint
150 ... anti-rotation blade

Claims (11)

A threaded bolt rod;
A nut screwed to one side of the bolt rod;
Being provided on the other side of the bolt rod to be rotatable, when the bolt rod is inserted into the bolt hole of the object to be rotated to the first position to extend longer in the axial direction of the bolt rod, and tighten the nut to the object A stopper which is rotated to a second position at the time and extends longer in the radial direction of the bolt rod;
And a stopper escape groove which receives the stopper into the bolt rod when the bolt rod is inserted into the bolt hole, and opens in the axial direction of the bolt rod.
The stopper is formed in a blade shape in which the cross-sectional area is gradually reduced to dig the object to be tightened when the nut is fastened to the object,
One side of the stopper is escaped to the inside of the stopper escape groove when rotated to the first position, the other side of the stopper bolt unit protrudes from the stopper escape groove along the axial direction of the bolt rod.
delete delete The method of claim 1,
A hinge pin hole penetrating the bolt rod in a radial direction;
A hinge pin coupled to the hinge pin hole; / RTI >
The stopper is a bolt unit that is rotated about the hinge pin about the central axis.
delete delete The method of claim 1,
The stopper penetrates through the bolt hole of the fastened object in a state of being rotated to the first position,
The stopper is rotated to the second position after the stopper passes through the bolt hole,
A bolt unit in which rotation of the bolt rod is suppressed by contacting the stopper rotated to the second position with the object to be fastened.
delete delete delete delete
KR1020100049714A 2010-05-27 2010-05-27 Bolt unit KR101240531B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100049714A KR101240531B1 (en) 2010-05-27 2010-05-27 Bolt unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100049714A KR101240531B1 (en) 2010-05-27 2010-05-27 Bolt unit

Publications (2)

Publication Number Publication Date
KR20110130192A KR20110130192A (en) 2011-12-05
KR101240531B1 true KR101240531B1 (en) 2013-03-11

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KR1020100049714A KR101240531B1 (en) 2010-05-27 2010-05-27 Bolt unit

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020233A (en) * 2015-07-24 2015-11-04 浙江天元金属制品有限公司 Bolt assembly
CN108007498A (en) * 2017-11-10 2018-05-08 安徽徽远成电气科技股份有限公司 Compound sensor
WO2021060848A1 (en) * 2019-09-27 2021-04-01 이천수 Anchor bolt

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108149449B (en) * 2018-03-13 2024-01-26 郭昌玉 Dormitory balcony is with clothes hanger that dries in air
CN111623025B (en) * 2020-06-10 2023-04-25 芜湖金宇紧固件有限公司 Combined retaining screw

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0842541A (en) * 1994-07-29 1996-02-13 Abc Trading Co Ltd Architectural coupling member and coupling method
JPH0874827A (en) * 1994-08-31 1996-03-19 Ohbayashi Corp High strength bolt
KR0130462Y1 (en) * 1995-11-30 1999-03-30 강병호 Hub and wheel bolt assembly
JP2006226295A (en) 2003-04-04 2006-08-31 Koyo Kizai Kk Blind bolt and blind nut

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0842541A (en) * 1994-07-29 1996-02-13 Abc Trading Co Ltd Architectural coupling member and coupling method
JPH0874827A (en) * 1994-08-31 1996-03-19 Ohbayashi Corp High strength bolt
KR0130462Y1 (en) * 1995-11-30 1999-03-30 강병호 Hub and wheel bolt assembly
JP2006226295A (en) 2003-04-04 2006-08-31 Koyo Kizai Kk Blind bolt and blind nut

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020233A (en) * 2015-07-24 2015-11-04 浙江天元金属制品有限公司 Bolt assembly
CN108007498A (en) * 2017-11-10 2018-05-08 安徽徽远成电气科技股份有限公司 Compound sensor
CN108007498B (en) * 2017-11-10 2020-02-14 安徽徽远成电气科技股份有限公司 Composite sensor
WO2021060848A1 (en) * 2019-09-27 2021-04-01 이천수 Anchor bolt

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