KR20110029957A - Construction of anchor bolt - Google Patents

Construction of anchor bolt Download PDF

Info

Publication number
KR20110029957A
KR20110029957A KR1020090087843A KR20090087843A KR20110029957A KR 20110029957 A KR20110029957 A KR 20110029957A KR 1020090087843 A KR1020090087843 A KR 1020090087843A KR 20090087843 A KR20090087843 A KR 20090087843A KR 20110029957 A KR20110029957 A KR 20110029957A
Authority
KR
South Korea
Prior art keywords
sleeve
anchor bolt
bolt
circumference
nut
Prior art date
Application number
KR1020090087843A
Other languages
Korean (ko)
Inventor
정재필
Original Assignee
정재필
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 정재필 filed Critical 정재필
Priority to KR1020090087843A priority Critical patent/KR20110029957A/en
Publication of KR20110029957A publication Critical patent/KR20110029957A/en

Links

Images

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
    • 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
    • F16B13/0858—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 with an expansible sleeve or dowel body driven against a tapered or spherical expander plug

Abstract

PURPOSE: A structure for an anchor bolt is provided to enhance the coupling of a slab to a full thread bolt since a male thread is wholly formed on the external circumferential surface of the full thread bolt. CONSTITUTION: A structure for an anchor bolt comprises a sleeve(10), a cut part(21), an expanded sleeve(20), a globe unit(40) and a full thread bolt(30). A female thread is formed on the internal circumferential surface of the sleeve. The cut part is extended to the lower end of the sleeve and crosses the side in a length direction. The inner circumference of the expanded sleeve is formed so that its upper part is shorter than its lower part. The outer circumference of the expanded sleeve is formed so that its upper part is longer than its lower part. The globe unit is formed so that its circumference is longer than the circumference of the lower inner side of the expanded sleeve. A male thread(31) is formed along the circumference of the full thread bolt.

Description

Anchor bolt structure {CONSTRUCTION OF ANCHOR BOLT}

The present invention relates to an anchor bolt structure, and more particularly, after drilling an insertion hole in an object, inserting and installing a sleeve having an extension sleeve at the lower end of the insertion hole, and by using a sphere, an inner diameter of the lower sleeve is shorter than the upper end. When the lower end is extended radially so that the object and the sleeve are fixedly installed, the bolt is used to detach the fixture and the sleeve with a removable bolt, and the structure prevents the detachment of the sphere. Anchor bolt structure.

In general, anchor bolts are used to firmly install heavy objects on the floor or wall of concrete. The anchor bolts are drilled to a predetermined depth in the floor or wall of concrete, and expansion sleeves and expansion nuts are installed in the anchor installation holes. After inserting the anchor bolts pre-fastened to the bolts and rotating the exposed bolts with the mounting holes or grooves of the fixed body inserted into the exposed parts of the bolts, the extension nuts are pulled outwards, thereby expanding the sleeves by the expansion nuts. Is radially expanded to be firmly fixed to the anchor installation hole.

Conventional anchor bolts related to this technique have been proposed a myriad of things, but only a couple of excerpts will be described.

The anchor bolt disclosed in British Patent No. 723,211 has a bolt, an expansion sleeve in which four segments arcuated so that the bolt penetrates is cylindrically fixed by a ferrule at one end, and an inner surface of the other end of the expansion sleeve. It was installed but consisted of expansion nuts that expand the segments of the expansion sleeve based on the ferrule as the projections are inserted into the grooves between the segments and the bolts are rotated as they are inserted.

The British patent constituted as described above expands according to the rotation of the bolt when the bolt fastened to the expansion nut is rotated through the expansion sleeve while the protrusion of the extension nut is inserted into the groove between the segments that is the other end of the expansion sleeve. The nut was inserted so that the segments of the expansion sleeve extended radially with respect to the ferrule and were firmly fixed in the anchoring holes of the concrete.

However, in the above British patent, the expansion nut is rotated together with the rotation of the bolt, so that the phenomenon occurs, and it is difficult to secure a firm and reliable fixing structure.

In addition, the structure is fixed by the combination of the bolt and the expansion nut, but the coupling portion of the bolt and the expansion nut is easily worn due to the shape of the expansion nut has a problem that it is difficult to recycle due to shorten the service life. there was.

The present invention is to solve the problems as described above, after drilling the insertion hole in the object to insert the sleeve provided with an expansion sleeve at the lower end of the insertion hole, the inner diameter of the lower end using a sphere portion of the shorter than the upper end of the expansion sleeve If the object and the sleeve is fixed to be installed radially, the bolts to the installation and the sleeve to be detached with a computer bolt, and the structure to prevent the detachment of the sphere, so that the computer bolt can be recycled It is an object to provide an anchor bolt structure.

In addition, an object of the present invention is to provide an anchor bolt structure in which a female thread and a male thread are formed on the entire surface of the inner circumference of the slab and the outer circumference of the outer bolt of the slab so that the slab and the bolt are firmly coupled to the slab.

In order to achieve the above object, the anchor bolt structure of the present invention, in the anchor bolt, a cylindrical shape, the sleeve is penetrated in the longitudinal direction is configured with a female thread along the inner peripheral surface; And an extension sleeve formed at a lower end of the sleeve and having at least one cutout crossing the side in a longitudinal direction, the inner circumferential length of which is configured to have a lower portion than the upper portion, and an outer circumferential length formed of a lower portion than the upper portion; A spherical portion having a spherical shape such that a length of the circumference is longer than a length of a lower inner circumference of the expansion sleeve; And characterized in that it comprises a threaded thread is inserted into the sleeve and the male thread is configured along the circumference to bolt to the sleeve.

On the other hand, the expansion sleeve further has an extended guide jaw protruding along the inner periphery of the expansion sleeve has a high inclined lower portion and a lower height of the upper inclined surface, and a fixing jaw protruding along the lower outer periphery of the expansion sleeve. It is configured to include.

At this time, the upper end of the threaded bolt is configured to further include a three-dimensional tightening head protrudes vertically to enable the threaded bolt to rotate.

The captive head has a cylindrical shape, and further includes a straight slot.

In addition, the tightening head is configured to form a hexagonal column.

In addition, an upper portion of the threaded bolt is provided between the nut and the nut to provide a coupling force so that the bolt is coupled to the bolt, and the washer between the nut and the object to strengthen the coupling force of the nut, and between the washer and the nut It is configured to further include an elastic body to impart elasticity.

According to the anchor bolt structure according to the present invention as described above, it is possible to remove the bolt bolted to the removable detachable sleeve and the fixture while fixing only the sleeve to the object to make it recyclable.

In addition, there is an effect of forming a female thread on the entire inner circumferential surface of the sleeve and forming a male thread on the entire outer circumferential surface of the threaded bolt so as to be bolted to the female thread, thereby firmly improving the coupling force between the slab and the threaded bolt.

Hereinafter, preferred embodiments of the anchor bolt structure according to the present invention with reference to the accompanying drawings will be described in detail.

1 is a perspective view of an anchor bolt consisting of an anchor bolt structure according to an embodiment of the present invention, Figure 2 is a partial cross-sectional view showing the inside by cutting only a portion in Figure 1, Figure 3 is the anchor bolt of Figure 1 is used 4 is a bottom view showing only a sleeve in FIG. 1, FIG. 5 is a plan view of FIG. 4, FIG. 6 is a plan view showing only a computer bolt in FIG. 1, and FIG. 8 is a plan view showing only a computer bolt of another embodiment, and FIG. 8 is a state diagram showing the use of a tool against the top of a sphere to radially expand the bottom of the expansion sleeve in one embodiment of the present invention.

As shown in the drawings, the anchor bolt structure according to the present invention is to improve the recycled structure of the anchor bolt used in construction, electrical construction, sanitary construction, heating and cooling construction, operation unit construction, signage construction, mechanical installation, etc. .

The anchor bolt structure has a cylindrical shape penetrated in the longitudinal direction, and includes a sleeve 10 having a female thread 11 on its entire inner circumference.

An extension sleeve 20 is formed at the lower end of the sleeve 10. The side of the expansion sleeve 20 is provided with at least one cutout 21 crossing the side in the longitudinal direction, the expansion sleeve 20 extends radially around the lower end of the sleeve 10 Help make it easy In addition, the lower side inner surface of the expansion sleeve 20 is formed to protrude an expansion guide jaw 22 to have an inner circumferential surface has a short inner diameter. In addition, the fixing jaw 23 is formed to protrude along the circumference of the bottom outer surface of the expansion sleeve 20 so that the length of the circumference of the bottom outer surface is longer than the length of the outer circumference of the top.

And in the state where the sleeve 10 is inserted into the insertion hole (B) perforated in the structure (A), the lower end of the expansion sleeve 20 extends radially around the lower end of the sleeve 10 (axis) ( 40).

The spherical portion 40 forms a sphere formed with a circumferential length longer than a circumferential length of the through hole 24 formed by the expansion guide jaw 22 to expand the extension guide jaw 22. Therefore, by using the tool (D) in the state in which the concrete portion 40 is inserted into the inside of the sleeve 10 and the concrete portion 40 spans the expansion guide jaw 22 of the expansion sleeve 20. Strike the top of the concrete portion 40. Then, as the spherical portion 40 passes through the through hole 24 formed by the expansion guide jaw 22, the expansion guide jaw 22 extends radially about the lower end of the sleeve 10 to extend the sleeve. The fixing jaw 23 protruding along the circumference of the lower outer surface of the lower portion 20 penetrates the side wall of the insertion hole B and is firmly fixed.

In addition, the anchor bolt structure of the present invention through the through hole (C ') formed in the installation (C) to couple the structure (A) and the installation (C) is inserted into the interior of the sleeve (10) Bolt 30.

The threaded bolt 30 is inserted into the sleeve 10 to be fixedly installed, and has a cylindrical body portion 30a, and has a cone-shaped head portion 30b at the lower end of the body portion 30a. It is formed to have a bolt shape as a whole. And the male screw thread 31 is provided along the entire circumference of the trunk portion 30a to allow the female thread 11 to be bolted to the female screw thread 11 provided in the sleeve 10. In addition, the upper end of the body portion (30a) is fastening head 32 is formed protruding.

The tightening head 32 helps the threaded bolt 30 to be easily rotated so that the sleeve 10 and the threaded bolt 30 can be bolted to each other, and the straight groove 32a is horizontally mounted on the cylinder. It is desirable to have a recessed shape.

The slot (32a) is to use a straight screwdriver tool to disassemble and recycle the threaded bolt 30 to the sleeve 10 or bolted to the sleeve (10).

In addition, the tightening head 32 has a hexagonal pillar shape as needed or can be manufactured in a variety of other shapes.

On the other hand, if the sleeve 10 and the threaded bolt 30 is fixed to the structure (A) and the installation (C) to be fixed to each other, the threaded bolt 30 so that the threaded bolt 30 does not leave the sleeve 10 A nut 50 for fixing the threaded bolt 30 to the upper portion of the 30, a ring washer 70 for tightening the coupling force of the nut 50, and the nut 50 and the washer. Between the 70 is sandwiched between the elastic body 60 is provided to give elasticity to both sides.

9 is a cross-sectional view showing a state of use of the anchor bolt according to an embodiment of the present invention.

As shown in the figure, the anchor bolt consisting of the anchor bolt structure according to the present invention can be fixed to the structure (A) and the installation (C) mutually.

Examples of the structure (A) is a concrete structure, a wall surface, and examples of the installation (C) is a signboard, lighting fixtures, handrails, brackets, etc. In addition, it can be used in a variety of construction sites.

The method of using the anchor bolt made of the anchor bolt structure of the present invention will be described in detail.

First, the insertion groove (B) is drilled in the concrete structure (A). Then, the sleeve 10 is inserted into the insertion groove B. Then, the spherical portion 40 is inserted into the sleeve 10, and the expansion sleeve 20 provided at the lower end of the sleeve 10 using the spherical portion 40 as described above is connected to the sleeve. Extend the bottom of (10) radially along the axis. As a result, the engaging jaw 23 provided on the bottom outer side of the expansion sleeve 20 is to dig into the insertion hole (B) side of the concrete structure (A). In this state, the fixture 10 is firmly installed on the concrete structure A, and the fixture is placed in a state where the fixture C is positioned above the sleeve 10 to fix the concrete part 40. Penetration through the through hole (C ') of (C) is bolted to the threaded bolt 30 into the inside of the sleeve (10). Thus, the lower end of the bolted threaded computer thread 30 presses the upper part of the concrete part 40 to fix the concrete part 40, and the washer 70 is mounted on the upper end of the bolted computer threaded bolt 30. The combination of the elastic body 60 and the nut 50 helps the computer bolt 30 to be firmly fixed to the sleeve 10 while fixing the fixture C.

1 is a perspective view of an anchor bolt consisting of an anchor bolt structure according to an embodiment of the present invention.

Figure 2 is a partial cross-sectional view showing the inside by cutting only a portion in Figure 1,

3 is an exploded view showing only a part of the cross-sectional view of the anchor bolt used in FIG.

Figure 4 is a bottom view showing only the sleeve in Figure 1;

5 is a plan view of FIG. 4.

6 is a plan view showing only the computer bolt in FIG.

7 is a plan view showing only a computer bolt of another embodiment.

Figure 8 is a state of use showing that the impact on the top of the sphere in order to radially expand the bottom of the expansion sleeve in one embodiment of the present invention.

9 is a cross-sectional view showing a state of use of the anchor bolt according to an embodiment of the present invention.

Description of the Related Art [0002]

10: sleeve 11: male thread

20: expansion sleeve 30: computer bolt

31: male thread 32: captive

40: sphere 50: nut

60: elastomer 70: washer

Claims (6)

In the anchor bolt, A sleeve 10 having a cylindrical shape and having a female thread 11 formed through the inner circumferential surface through the longitudinal direction; Wow It is formed to extend to the bottom of the sleeve 10, having one or more incisions 21 crossing the side in the longitudinal direction, the inner circumferential length is configured to be shorter than the upper portion, the outer circumferential length is lower than the upper portion An extended sleeve 20 configured to be elongated; Wow A spherical portion 40 having a spherical shape such that the length of the circumference is longer than the length of the lower inner circumference of the expansion sleeve 20; And Anchor bolt structure, characterized in that it comprises a threaded thread (30) inserted into the sleeve (10) is configured with a male thread (31) along the circumference for bolting with the sleeve (10). The method of claim 1, The expansion sleeve 20 has an extended guide jaw 22 formed to protrude and have an inclined surface having a lower height and a lower height along an inner circumference of the expansion sleeve 20; Anchor bolt structure, characterized in that the fixing jaw is further provided protruding along the lower outer circumference of the expansion sleeve (20). The method of claim 1, Anchor bolt structure, characterized in that the top of the threaded bolt 30 is further provided with a three-dimensional tightening head 32 to protrude vertically to allow the threaded bolt 30 to rotate. The method of claim 3, wherein The tightening head 32 forms a cylindrical shape, anchor bolt structure, characterized in that is provided with a straight straight groove (32a). The method of claim 3, wherein The tightening head 32 is an anchor bolt structure, characterized in that forming a hexagonal column shape. The method of claim 1, Nuts (50) for providing a coupling force in the upper portion of the threaded bolts 30 so that the bolted bolted bolts are not separated Washer 70, which is installed between the nut 50 and the object to strengthen the coupling force of the nut 50, and An anchor bolt structure, characterized in that the elastic body 60 is provided between the washer 70 and the nut 50 is further provided to give elasticity.
KR1020090087843A 2009-09-17 2009-09-17 Construction of anchor bolt KR20110029957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090087843A KR20110029957A (en) 2009-09-17 2009-09-17 Construction of anchor bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090087843A KR20110029957A (en) 2009-09-17 2009-09-17 Construction of anchor bolt

Publications (1)

Publication Number Publication Date
KR20110029957A true KR20110029957A (en) 2011-03-23

Family

ID=43935776

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090087843A KR20110029957A (en) 2009-09-17 2009-09-17 Construction of anchor bolt

Country Status (1)

Country Link
KR (1) KR20110029957A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101281642B1 (en) * 2011-05-31 2013-07-03 강문신 Membrane unit
KR101497945B1 (en) * 2013-06-21 2015-03-03 삼성중공업(주) Target fixing apparatus
CN113482993A (en) * 2021-07-08 2021-10-08 河北科技师范学院 Intelligent furniture fixed-point expansion locking type furniture plate connecting piece
KR20220115187A (en) * 2021-02-10 2022-08-17 남병수 Anchor assembly that increases the fixing force of anchor pipes using threaded threads

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101281642B1 (en) * 2011-05-31 2013-07-03 강문신 Membrane unit
KR101497945B1 (en) * 2013-06-21 2015-03-03 삼성중공업(주) Target fixing apparatus
KR20220115187A (en) * 2021-02-10 2022-08-17 남병수 Anchor assembly that increases the fixing force of anchor pipes using threaded threads
KR20230011452A (en) * 2021-02-10 2023-01-20 남병수 Anchor assembly that increases the fixing force of anchor pipes using threaded threads
CN113482993A (en) * 2021-07-08 2021-10-08 河北科技师范学院 Intelligent furniture fixed-point expansion locking type furniture plate connecting piece

Similar Documents

Publication Publication Date Title
KR100243821B1 (en) Anchor unit with expansive anchor member expanded by utilizing turning force of bolt
KR101467929B1 (en) Anchor Bolt
CN203730492U (en) Self-locking expansion bolt
KR20110029957A (en) Construction of anchor bolt
JP5342118B2 (en) Method of drilling bottomed hole in surface layer of concrete and anchor fitting used for drilling bottomed hole
KR101544516B1 (en) Removable Set Anchor Bolt
JP2017172233A (en) Safety fence sill
CN105927642A (en) Foundation expanding nut assembly
CN210715466U (en) Detachable and reusable expansion bolt
KR101582258B1 (en) Set anchor bolts
KR102310554B1 (en) Separation Type Anker Bolt Assembly
CN203532453U (en) Tapping expansion screw improved structure
CN212055417U (en) Expansion screw for car-repairing gecko
CN109958282B (en) Bottom support frame for concrete frame
KR200446223Y1 (en) Anchor bolt
KR200241919Y1 (en) Anchor bolt
CN110822263A (en) Ground foot anchor bolt connecting device
KR200343672Y1 (en) anchor bolt
KR200375370Y1 (en) An anchor for construction
KR200462802Y1 (en) A anchor bolt for recyclable
CN219671957U (en) Wall plug-in for mounting background wallboard
KR0127817Y1 (en) Anchor bolt
CN214533905U (en) Back-expanded bottom anchor bolt
KR101459418B1 (en) Inserter for insulation
CN216199639U (en) Self undercut anchor

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application