KR20100011097A - Bolt device for preventing rotation - Google Patents

Bolt device for preventing rotation Download PDF

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Publication number
KR20100011097A
KR20100011097A KR1020080072154A KR20080072154A KR20100011097A KR 20100011097 A KR20100011097 A KR 20100011097A KR 1020080072154 A KR1020080072154 A KR 1020080072154A KR 20080072154 A KR20080072154 A KR 20080072154A KR 20100011097 A KR20100011097 A KR 20100011097A
Authority
KR
South Korea
Prior art keywords
bolt member
rotation
head member
connection hole
locking
Prior art date
Application number
KR1020080072154A
Other languages
Korean (ko)
Inventor
김봉규
Original Assignee
현대제철 주식회사
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 현대제철 주식회사 filed Critical 현대제철 주식회사
Priority to KR1020080072154A priority Critical patent/KR20100011097A/en
Publication of KR20100011097A publication Critical patent/KR20100011097A/en

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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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06—Specially-shaped heads
    • 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
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/08—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a cap interacting with the nut, connected to the bolt by a pin or cotter pin
    • 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
    • F16B39/34—Locking by deformable inserts or like parts

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

Abstract

PURPOSE: An anti-rotation type bolt member is provided to connect a bolt and a nut in a narrow place by controlling the rotation of a head part. CONSTITUTION: An anti-rotation type bolt member comprises a head part(20), a receiving part(30), and a holder(40). The head part is formed in a body(12). The body comprises a screw thread. The receiving part is formed on the head part. The holder is installed on the receiving part. The holder is expanded to the outside of the head part.

Description

Anti-rotation bolt member {BOLT DEVICE FOR PREVENTING ROTATION}

The present invention relates to a bolt member, and more particularly, when tightening the bolt member in a narrow space, anti-rotation type bolt member that can easily tighten the bolt without holding the head member of the bolt using a work tool It is about.

In general, bolt members are mainly used for joining plates or joining mechanical elements.

The bolt member is divided into a threaded body and a head member provided at one end of the body, and the plate member to be coupled to the body is inserted in sequence and then fastened by a nut.

At this time, the rotation of the head member is constrained by using a tool to prevent the head member from turning.

The foregoing invention refers to the background of the art to which the present invention pertains, and does not mean the prior art.

Conventional bolt member has to fasten the nut while holding the head member using a tool in order to prevent the head member from screwing, but when fastening the bolt member in a narrow space, it is necessary to hold the head member using the tool. Since it is not easy, it is not easy to fasten a bolt member. Therefore, there is a need for improvement.

The present invention has been made by the necessity as described above, and an object thereof is to provide an anti-rotation bolt member that can easily fasten the bolt member.

The anti-rotation bolt member according to the present invention includes: a head member provided in a threaded body, a receiving portion formed in the head member and a receiving portion, and including a catch portion extending outward of the head member.

In addition, the female thread is formed in the housing portion, and the male thread is preferably formed in the locking portion.

In addition, the head member is formed with a first connection hole intersecting with the receiving portion, the engaging portion is formed with a second connection hole in communication with the first connection hole, further comprising an elastic pin member inserted into the first connection hole and the second connection hole It is preferable.

In addition, the elastic pin member is preferably bent in the center portion 'V' shape.

In addition, the locking portion preferably includes a rod-shaped locking body.

In addition, it is preferable to further include an auxiliary locking projection protruding from the locking body.

In addition, the auxiliary catching protrusion is preferably formed in a straight shape protruding on both sides of the catching body.

In addition, the auxiliary engaging projection is preferably formed in a cross shape protruding from the side of the locking body.

As described above, the anti-rotation bolt member according to the present invention can easily fasten the bolt member and the nut even in a narrow working space can improve the workability.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of an anti-rotation bolt member according to the present invention. For convenience of description, the anti-rotation bolt member used to join the two coupling plates will be described as an example. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is an exploded perspective view showing a state of use of the anti-rotation bolt member according to an embodiment of the present invention, Figure 2 is a view showing a state in which the anti-rotation bolt member shown in FIG. 3 is an enlarged view of portion "A" in FIG. 1, FIG. 4 is a view illustrating another connection state of the locking portion and the head member shown in FIG. 3, and FIG. 5 is a locking portion shown in FIG. FIG. 6 is a view showing an auxiliary catching protrusion, and FIG. 6 is a view showing another embodiment of the auxiliary catching protrusion shown in FIG. 5.

1 to 3, the anti-rotation bolt member 10 according to an embodiment of the present invention includes a head member 20 and a head member 20 provided at one end of a body 12 on which a thread is formed. ) And an accommodating part 30 having a mounting groove 32 and a catching part 40 which is mounted to the accommodating part 30 and extends to the outside of the head member 20.

A coupling hole 5 is formed in the first coupling plate 1 and the second coupling plate 3 fastened by the bolt member 10, and the nut 7 is fastened to the bolt member 10.

The head member 20 may be formed in various shapes including a polygonal shape or a circular shape.

The head member 20 is formed with a mounting groove 32 to which the engaging portion 40 is coupled. A female thread is formed in the mounting groove 32, and a male thread is formed in the engaging portion 42 of the engaging portion 40 inserted into the mounting groove 32.

The catching part 40 may be coupled to the head member 20 by a combination of various methods such as a fitting type coupling, including being coupled to the head member 20 by welding.

One end of the locking portion 40 is coupled to the receiving portion 30, the other end of the locking portion 40 is within the scope of the technical idea that is formed to protrude to the outside of the head member 20, the rod-shaped locking body 44 It may be formed in a variety of shapes, including.

5 and 6, the auxiliary catching projections 60 and 62 are formed on the side of the catching body 44 so that the catching body 44 is more easily caught by an outside object.

As shown in FIG. 5, the auxiliary catching protrusion 60 is formed in a straight shape to protrude on both sides of the catching body 44, or is formed in a cross shape as shown in FIG. 6. Protruding from the side of 44).

In addition to the protruding from the side of the catching body 44, the auxiliary catching projections 60 and 62 may be formed in various shapes within the scope of the technical concept for catching the outside object.

As another embodiment in which the locking portion 40 is fastened to the head member 20, as shown in FIG. 4, the first connection hole 50 intersecting with the mounting groove 33 is formed in the head member 20. The second connection hole 52 communicating with the first connection hole 50 is formed in the locking portion 40. In addition, an elastic pin member 54 is inserted into the first connection hole 50 through the second connection hole 52.

The first connection hole 50 is installed through the head member 20, and the first connection hole 50 and the mounting groove 33 cross and meet each other.

In addition, the elastic pin member 54 is bent in the 'V' shape of the center of the pin member is inserted through the first connecting hole 50 and the second connecting hole 52 after the elastic pin member 54 is The fastening is made by the property to be opened toward the outside.

Hereinafter, with reference to the accompanying drawings will be described in detail the operating state of the anti-rotation bolt member according to an embodiment of the present invention.

1 to 3, when the bolt member 10 is fastened through the coupling hole 5 of the first coupling plate 1 and the second coupling plate 3, the bolt member using a tool In the narrow working space that can not be fixed to the head of (10) is coupled to the locking portion 40 to the head member 20 in advance.

As shown in FIG. 1, the locking portion 40 may be coupled to the head member 20 by forming a female thread in the mounting groove 32 and forming a male thread in the coupling portion 42 coupled thereto. have.

Alternatively, as shown in FIG. 4, the locking portion 40 is inserted into the mounting groove 33 in which the thread is not formed, and is sequentially inserted through the first connecting hole 50 and the second connecting hole 52. The engaging portion 40 may be coupled to the head member 20 in such a way that the elastic pin member 54 is inserted across the head member 20.

Instead of the elastic pin member 54, a simple pin may be used, and various coupling methods may be used, such as the engaging portion 40 is coupled to the head member 20 by welding or fitting.

Alternatively, the locking portion 40 may include a locking portion 40 having various shapes, such as a locking portion 40 in which the auxiliary locking projections 60 and 62 protrude in a date or cross shape, including a rod-shaped locking portion 40. Is used.

And, as shown in Figure 1, after coupling the engaging portion 40 to the head member 20, the bolt raised through the coupling hole 5 of the first coupling plate 1 and the second coupling plate 3 When the nut 7 is fastened to the body 12 of the member 10, the head member 20 also rotates along the hook portion 40 fixed to the head member 20 to an object in a narrow working space. The rotation is constrained.

The nut 7 is fastened to the body 12 of the bolt member 10 while the rotation of the head member 20 is constrained to couple the first coupling plate 1 and the second coupling plate 3 to each other.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand.

In addition, the two coupling plates have been described as an example of being coupled by the anti-rotation bolt member, but this is merely exemplary, the anti-rotation type of the present invention where the coupling is made using an existing bolt, including coupling between mechanical parts Bolt members can be used.

Therefore, the true technical protection scope of the present invention will be defined by the claims.

1 is an exploded perspective view showing a state of use of the anti-rotation bolt member according to an embodiment of the present invention.

Figure 2 is a view showing a state in which the anti-rotation bolt member shown in Figure 1 is fastened.

3 is an enlarged view of a portion “A” of FIG. 1.

4 is a view showing another connection state of the engaging portion and the head member shown in FIG.

FIG. 5 is a view illustrating that an auxiliary locking protrusion is provided in the locking part shown in FIG. 3.

6 is a view showing another embodiment of the auxiliary locking projection shown in FIG.

<Description of Symbols for Main Parts of Drawings>

1: first bonding plate 3: second bonding plate

5: fitting 7: nut

10: bolt member 12: body

20: head member 30: housing portion

32, 33: mounting groove 40: engaging portion

42: engaging portion 44: locking body

50: first connecting hole 52: second connecting hole

54: elastic pin member 60, 62: auxiliary locking projection

Claims (8)

A head member provided on a body in which threads are formed; An accommodation portion formed in the head member; And The anti-rotation bolt member is mounted to the receiving portion, characterized in that it comprises a catch extending to the outside of the head member. The method of claim 1, A female thread is formed in the housing, and a male thread is formed in the locking part. The method of claim 1, The head member is formed with a first connection hole intersecting with the receiving portion, the engaging portion is formed with a second connection hole in communication with the first connection hole, the elastic pin is inserted into the first connection hole and the second connection hole An anti-rotation bolt member further comprising a member. The method of claim 3, wherein The elastic pin member is a rotation preventing bolt member, characterized in that the central portion is bent in a 'V' shape. The method of claim 1, The locking portion is a rotation preventing bolt member, characterized in that it comprises a rod-shaped locking body. The method of claim 5, wherein The anti-rotation bolt member, characterized in that it further comprises an auxiliary locking projection protruding from the locking body. The method of claim 6, The auxiliary locking projection is formed in a straight shape is a rotation preventing bolt member, characterized in that protruding on both sides of the locking body. The method of claim 6, The auxiliary locking projection is formed in a cross shape is a rotation preventing bolt member, characterized in that protruding from the side of the locking body.
KR1020080072154A 2008-07-24 2008-07-24 Bolt device for preventing rotation KR20100011097A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020080072154A KR20100011097A (en) 2008-07-24 2008-07-24 Bolt device for preventing rotation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020080072154A KR20100011097A (en) 2008-07-24 2008-07-24 Bolt device for preventing rotation

Publications (1)

Publication Number Publication Date
KR20100011097A true KR20100011097A (en) 2010-02-03

Family

ID=42085610

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080072154A KR20100011097A (en) 2008-07-24 2008-07-24 Bolt device for preventing rotation

Country Status (1)

Country Link
KR (1) KR20100011097A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101662129B1 (en) * 2015-11-10 2016-10-05 주식회사 에네스지 collar of piston rod
WO2021132792A1 (en) * 2019-12-23 2021-07-01 김덕균 Pipe fixing member

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101662129B1 (en) * 2015-11-10 2016-10-05 주식회사 에네스지 collar of piston rod
WO2021132792A1 (en) * 2019-12-23 2021-07-01 김덕균 Pipe fixing member

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E902 Notification of reason for refusal
E601 Decision to refuse application