KR20150078565A - combination structure of plastic panel combination for insert nut and insert nut - Google Patents

combination structure of plastic panel combination for insert nut and insert nut Download PDF

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Publication number
KR20150078565A
KR20150078565A KR1020130168037A KR20130168037A KR20150078565A KR 20150078565 A KR20150078565 A KR 20150078565A KR 1020130168037 A KR1020130168037 A KR 1020130168037A KR 20130168037 A KR20130168037 A KR 20130168037A KR 20150078565 A KR20150078565 A KR 20150078565A
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KR
South Korea
Prior art keywords
insert nut
insertion hole
plastic panel
extension
fastening
Prior art date
Application number
KR1020130168037A
Other languages
Korean (ko)
Inventor
홍성준
Original Assignee
(주)엘지하우시스
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 (주)엘지하우시스 filed Critical (주)엘지하우시스
Priority to KR1020130168037A priority Critical patent/KR20150078565A/en
Publication of KR20150078565A publication Critical patent/KR20150078565A/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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • 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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/041—Releasable devices
    • 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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/041—Releasable devices
    • F16B37/042—Releasable devices locking by rotation
    • 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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • 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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • 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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0258—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using resiliently deformable sleeves, grommets or inserts

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

Abstract

The present invention relates to an insert nut for fastening a plastic panel, and more particularly, to an insert nut for fastening a plastic panel, in particular, an insert nut for fastening a heavyweight plastic panel, To an insert nut fastening structure for fastening a heavyweight plastic panel and an insert nut.
An insert nut fastening structure for fastening a plastic panel of the present invention comprises: a plastic panel having an insert hole; An insert nut coupled to the insert hole; a bolt coupled to the insert nut; Wherein the insert nut comprises: an outwardly projecting head; An extension part formed integrally with the head part and inserted into the insertion hole of the plastic panel; The head portion and the extension portion are formed with threaded portions that penetrate through the center in the longitudinal direction and are engaged with the bolt. The extension portion includes a longitudinally cut incision portion, And a hooking portion for hooking is formed.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insert nut fastening structure for fastening a plastic panel and an insert nut,

The present invention relates to an insert nut and an insert nut for fastening a plastic panel, and more particularly, to an insert nut and an insert nut for fastening a plastic panel, in particular, an insert nut for fastening a heavyweight plastic panel, To an insert nut fastening structure and an insert nut for fastening a plastic panel with enhanced fastening force.

In general, in order to fasten plastic panels, in particular, heavyweight plastic panels, the insert nuts are forcedly inserted into the insertion holes of the plastic panel.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an insert nut forced into a plastic panel. FIG.

However, if the insert nut is forcibly press-fitted in this manner, the insert nut 20 is inserted as shown in FIG. 1, and white holes and cracks 11 are generated in the insertion hole of the plastic panel 10.

In addition, there is a problem that the insert nut 20 is detached from the insertion hole due to the whiteness and the crack 11 during use.

In addition, if the insertion hole is broken, the plastic panel 10 can not be used, which is disadvantageous in that it is wasteful.

A conventional technique for press-inserting an insert nut is disclosed in Japanese Laid-Open Patent Publication No. 10-2013-0089300.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a plastic panel in which a bolt-shaped insert nut is inserted into an insertion hole of a plastic panel, An insert nut fastening structure and an insert nut for plastic panel fastening that can reduce waste of resources because it is not necessary to dispose of the insert nut due to breakage of the insert hole while preventing the insert nut from being detached from the insert hole, The purpose is to provide.

According to an aspect of the present invention, there is provided an insert nut fastening structure for fastening a plastic panel comprising: a plastic panel having an insertion hole; An insert nut coupled to the insert hole; a bolt coupled to the insert nut; Wherein the insert nut comprises: an outwardly projecting head; An extension part formed integrally with the head part and inserted into the insertion hole of the plastic panel; The head portion and the extension portion are formed with threaded portions that penetrate through the center in the longitudinal direction and are engaged with the bolt. The extension portion includes a longitudinally cut incision portion, And a hooking portion for hooking is formed.

Further, an insert nut for fastening a plastic panel is an insert nut for fastening a plastic panel, wherein the insert nut has: an outwardly projecting head; An extension part formed integrally with the head part and inserted into the insertion hole of the plastic panel; The head portion and the extension portion are formed with threaded portions that penetrate through the center in the longitudinal direction to be coupled with the bolt. The extension portion has a cutout portion cut in the longitudinal direction. The cutout portion is protruded outwardly at the end portion, And an engaging portion is formed.

According to the insert nut fastening structure and the insert nut for fastening the plastic panel of the present invention as described above, the following effects can be obtained.

The insert nut is inserted into the insertion hole of the plastic panel and then the expansion part of the insert nut is expanded by the engagement of the bolt to be closely attached to the insertion hole of the plastic panel to prevent breakage of the insertion hole, It is not necessary to dispose of the nut due to breakage of the insertion hole while preventing the nut from being detached, thereby reducing resource waste.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing an insert nut forcedly press-fitted into a plastic panel; Fig.
2 is an exploded perspective view showing the structure of an insert nut according to an embodiment of the present invention.
3 is an exploded cross-sectional view of an insert nut according to an embodiment of the present invention;
FIG. 4 is a sectional view showing a state in which an insert nut according to an embodiment of the present invention is coupled. FIG.
FIG. 5 is a sectional view showing a state in which an insert nut according to an embodiment of the present invention is coupled. FIG.
6 is a cross-sectional view showing a combined view of an insert nut according to another embodiment of the present invention.
7 is a cross-sectional view showing a combined state of an insert nut according to another embodiment of the present invention.

FIG. 2 is an exploded perspective view showing the structure of an insert nut according to an embodiment of the present invention, FIG. 3 is an exploded sectional view of an insert nut according to an embodiment of the present invention, FIG. 4 is an exploded perspective view of an insert nut according to an embodiment of the present invention FIG. 5 is a cross-sectional view illustrating a state in which an insert nut according to an embodiment of the present invention is coupled. FIG.

2 to 5, the fastening structure of an insert nut for fastening a plastic panel according to an embodiment of the present invention includes a plastic panel 200 having an insertion hole 210 formed therein; An insert nut (100) coupled to the insert hole (210); a bolt (300) coupled to the insert nut (100); , Wherein the insert nut (100) comprises: an outwardly projecting head (110); An extension part 120 integrally formed with the head part 110 and inserted into the insertion hole 210 of the plastic panel 200; The head portion 110 and the extension portion 120 are formed with a screw portion 101 penetrating through the center in the longitudinal direction and engaged with the bolt 300. The extension portion 120 is formed by cutting a longitudinally incised incision And a latching part 123 protruding outward at an end of the insertion hole 210 to be engaged with the rim of the insertion hole 210 is formed.

In addition, an insert nut for fastening a plastic panel according to an embodiment of the present invention is an insert nut for fastening a plastic panel, wherein the insert nut 100 includes: a head portion 110 protruding outward; An extension part 120 integrally formed with the head part 110 and inserted into the insertion hole 210 of the plastic panel 200; The head portion 110 and the extension portion 120 are formed with a screw portion 101 penetrating through the center in the longitudinal direction and coupled with the bolt 300. The extension portion 120 includes a cut- And an engaging portion 123 protruding outward at an end of the insertion hole 210 to be engaged with the rim of the insertion hole 210.

Will be described in detail with reference to FIGS. 2 to 5 attached hereto.

In general, the plastic panel 200, particularly the heavyweight plastic panel 200, is formed with an insertion hole 210 for coupling the insert nut 100 for fastening.

The insertion hole 210 is formed with a thread 211 as shown in FIGS. 2 to 5 and is screwed with a thread 122 formed in the extension 120, as described later.

The insert nut 100 is inserted into the insertion hole 210 of the plastic panel 200 to allow the plastic panel 200 to be coupled to another material (not shown).

That is, the insert nut 100 is coupled to the insertion hole 210 of the plastic panel 200 to allow the bolt 300 to be coupled to the plastic panel 200, .

The bolt 300 described in this embodiment may be a ready-made product, and may be manufactured and used as required.

The insert nut 100 includes a head 110 and an extension 120.

The head portion 110 is formed to protrude outwardly as shown in FIGS.

3 to 5, when the extension part 120 is inserted into the insertion hole 210, the head part 110 is in contact with the outer peripheral surface of one side of the insertion hole 210, (120) is no longer inserted.

In addition, the head portion 110 is formed in a circular or polygonal shape. Preferably, it is formed in a hexagonal shape as shown in FIG. 2 and is formed so as to be gripped by a tool.

As described above, when the bolt 300 is inserted into the threaded portion 101, the insert nut 100 is prevented from rotating can do.

2 to 5, the extension 120 is integrally formed with the head 110 and is inserted into the insertion hole 210 of the plastic panel 100. As shown in FIG.

A screw thread 122 is formed in the extension 120 so that a thread 211 is formed in the insertion hole 210 so that the extension 120 is screwed into the insertion hole 210.

As shown in FIG. 2, the extension 120 includes a cutout 121 and a catch 123.

The cutout portion 121 is cut in the longitudinal direction of the extension portion 120 and two or more, preferably three, cutouts 121 are formed in the extension portion 120.

When the bolt 300 is engaged with the threaded portion 101 as described later, the cutout portion 121 extends in the outward direction to increase the outer diameter of the cutout portion 121, Tightly to the insertion hole (210).

2 to 5, the latching part 123 protrudes outward from the end of the extension part 120 and is inserted into the insertion hole 210 as shown in FIGS. When the extension part 120 is inserted, it is caught by the rim of the insertion hole 210 to prevent the extension part 120 from being detached from the insertion hole 210.

The engaging portion 123 has an inclined surface 124 having a smaller diameter toward the end.

By forming the inclined surface 124, the insertion portion 210 can be inserted more easily when the extension portion 120 is inserted into the insertion hole 210.

A threaded portion 101 is formed in the head 110 and the extension 120 so as to be screwed to the bolt 300 through the center in the longitudinal direction.

The threaded portion 101 is engaged with the bolt 300 so that another material (not shown) together with the bolt 300 is coupled to the plastic panel 200.

The screw portion 101 includes a first screw portion 102 and a second screw portion 103.

3, the first screw portion 102 has a constant inner diameter.

One end of the second screw portion 103 is connected to the first screw portion 102, and the inner diameter of the second screw portion 103 is reduced toward the other end.

Accordingly, the bolt 300 is coupled from the first screw portion 102 to the second screw portion 103.

5, when the bolt 300 is coupled, the outer diameter of the bolt 300 and the outer diameter of the second threaded portion 103 are increased. As a result, The diameter of the enlarged portion 120 is enlarged and is closely attached to the inner circumferential surface of the insertion hole 210 as the cutout portion 121 is opened so that the engagement portion 123 is inserted into the insertion hole 210, (Not shown).

In addition, when the bolt 300 is coupled to the second screw portion 103, the extension portion 120 is slowly expanded so that the insert nut 210 is prevented from being bent or whitened, Can be strongly coupled to the plastic panel 200.

3, the second threaded portion 103 is formed inside the extended portion 120, and the length of the second threaded portion 103 (refer to FIG. 3) L1 is formed to be equal to or smaller than the length L2 of the cutout 121. [

Meanwhile, the extension part 120 includes a first extension part 120a and a second extension part 120b.

The first extension 120a is formed to have a constant outer diameter in association with the head 110. [

The second extension part 120b has one end connected to the first extension part 120a and the other end connected to the engagement part 123. The other end of the second extension part 120b is connected to the engagement part 123 in the first extension part 120a, The outer diameter becomes smaller toward the direction.

That is, the first extension part 120a and the second extension part 120b are formed so as to correspond to the shapes of the first screw part 102 and the second screw part 103, respectively.

When the bolt 300 is coupled to the second screw portion 103, the second extension portion 120b is formed to have a smaller outer diameter toward the engaging portion 123, The second extension portion 120b is brought into close contact with the insertion hole 210 and the latching portion 123 is caught by the rim of the insertion hole 210. [

3, before the insert nut 100 is inserted into the insertion hole 210 of the plastic panel 200, the maximum diameter D1 of the fastening portion 123 of the insert nut 1100 is set to be, Is formed to be equal to or smaller than the diameter (D3) of the insertion hole (210).

The maximum diameter D1 of the latching portion 123 of the insert nut 1100 is formed to be equal to or smaller than the diameter D2 of the first expanding portion 120a.

The maximum diameter D1 of the fastening portion 123 of the insert nut 1100 is smaller than the maximum diameter D1 of the insert hole 210 before the insert nut 100 is inserted into the insertion hole 210 of the plastic panel 200. [ And is smaller than or equal to the diameter D2 of the first expanding portion 120a so that when the expanding portion 120 is inserted into the insertion hole 210, It is possible to prevent the inner peripheral edge of the insertion hole 210 from being worn out while the engagement portion 123 contacts the insertion hole 210. [

When the maximum diameter of the latching part 123 is larger than the diameter of the insertion hole before the insert nut 100 is inserted into the insertion hole 210 of the plastic panel 200, The insertion portion 210 is inserted into the insertion hole 210 when the insertion portion 210 is inserted into the insertion hole 210 and the insertion portion 210 is inserted into the insertion hole 210, It is possible to make it possible.

However, since the engaging portion 123 is in contact with the inner peripheral edge of the insertion hole 210 and the inner peripheral edge of the insertion hole 210 is worn by the engaging portion 123, It is preferable that the maximum diameter D1 of the engaging part 123 is equal to or smaller than the diameter D3 of the insertion hole 210 and is equal to or smaller than the diameter D2 of the first expanding part 120a Do.

[0040] The insert nut fastening structure for fastening the plastic panel of the present invention having such a structure and the process of fastening the insert nut will be described in detail.

4 (a), a screw thread 211 formed on the insertion hole 210 of the plastic panel 200 is screwed into a screw thread 122 formed on the extension portion 120 of the insert nut 100 ) Are screwed together.

3, when the extension part 120 of the insert nut 100 is not engaged with the insertion hole 210 of the plastic panel 200, the maximum diameter of the fastening part 123 D1 is equal to or smaller than the diameter D3 of the insertion hole 210 and is equal to or smaller than the diameter D2 of the first extension 120a, the extension 120 is inserted into the insertion hole 210 The engaging portion 123 is inserted into the inner circumference of the insertion hole 210 to prevent the inner circumference of the insertion hole 210 from being damaged.

A thread 122 formed in the first extension 120a of the extension 120 is engaged with and threadedly engaged with a thread 211 formed in the insertion hole 210. [

Then, the bolts 300 are coupled to the first screw portion 102 as shown in FIG. 4 (b).

Up to this time, since the outer diameter of the first screw portion 102 is constant, the extension portion 120 is not in close contact with the insertion hole 210.

4 (c), when the bolt 300 is continuously inserted, the bolt 300 is coupled to the second screw portion 103, and the inner diameter of the second screw portion 103 Becomes equal to the outer diameter of the bolt (300).

5, the thread 122 of the first extension 120a is inserted into the insertion hole 210 of the insertion hole 210 as shown in FIG. 5, The insert nut 100 is tightly coupled to the plastic panel 100 while being fastened to the thread 211 by the fastening part 123 while the fastening part 123 is fastened to the rim of the insertion hole 210, It is possible to prevent the insert nut 100 from being detached from the insertion hole 210.

Further, since the bolt 300 is screwed to the second screw portion 103, the extension portion 120 is slowly expanded, so that the insertion hole 210 is not cracked or whitened.

FIG. 6 is a cross-sectional view showing a combined state of an insert nut 100 according to another embodiment of the present invention, and FIG. 7 is a cross-sectional view showing a combined state of an insert nut 100 according to another embodiment of the present invention .

6, the threaded portions 122 and 211 may not be formed in the extension 120 and the insertion hole 210, as shown in FIG.

When the bolt 300 is not engaged with the second screw portion 103, the diameter of the extension portion 120 is smaller than the inner diameter of the insertion hole 210, The inner diameter of the second threaded portion 103 becomes equal to the outer diameter of the bolt 300 so that the enlarged portion 120 is expanded as the cutout portion 121 is opened The engaging portion 123 is engaged with the rim of the insertion hole 210 while tightly coupling with the insertion hole 210. [

In another embodiment, as shown in FIG. 7, the protrusion 125 may be formed on the outer circumference of the extension 120.

The maximum diameter of the protrusions 125 and the protrusions 125 is smaller than the inner diameter of the insertion hole 210 in a state where the bolts 300 are not coupled to the second screw portion 103.

When the bolt 300 is coupled to the second threaded portion 103, the inner diameter of the second threaded portion 103 becomes equal to the outer diameter of the bolt 300, so that the cutout portion 121 is opened The extensions 120 are extended to increase the maximum diameter of the protrusions 125 and the protrusions 125 so that the protrusions 125 are closely contacted to the insertion holes 210 and the fastening portions 123 And is caught by the rim of the insertion hole 210.

The insert nut fastening structure and the insert nut for fastening the plastic panel according to the present invention are not limited to the above-described embodiments, but can be variously modified within the scope of the technical idea of the present invention.

100: Insert nut 101: Screw part 102: First screw part
103: second screw part 110: head part 120:
120a: first extension part 120b: second extension part 121: incision part
122: screw thread 123: engaging portion 124: inclined surface
125: projection 200: plastic panel 210: insertion hole
211: threads 300: bolts

Claims (20)

A plastic panel on which an insertion hole is formed;
An insert nut coupled to the insert hole;
A bolt coupled to the insert nut; , ≪ / RTI &
The insert nut
A head portion protruding outwardly;
An extension part formed integrally with the head part and inserted into the insertion hole of the plastic panel;
Wherein the head portion and the extension portion are formed with threaded portions penetrating the center portion in the longitudinal direction and engaged with the bolt,
Wherein the extension portion has a cutout portion cut in the longitudinal direction and a latching portion protruding outwardly at an end of the insertion portion and engaged with the rim of the insertion hole.
Claim 1:
Wherein,
A first screw portion having a constant inner diameter;
A second threaded portion formed at one end of the extension portion in association with the first threaded portion and having a smaller inner diameter toward the other end; Lt; / RTI >
The bolt is engaged in the direction of the second screw portion from the first screw portion,
Wherein when the bolt is coupled to the second threaded portion, the enlarged portion expands outward so as to be in close contact with the insertion hole while the incision is opened, and the engagement portion is caught by the rim of the insertion hole. Insert nut fastening structure.
The method of claim 2,
Wherein the expanding portion comprises:
A first extension part connected to the head part and having a constant outer diameter;
A second expanding portion having one end connected to the first expanding portion and the other end connected to the engaging portion and having a smaller outer diameter from the first expanding portion toward the engaging portion; And the insert nut fastening structure for fastening the plastic panel.
The method according to any one of claims 1 to 3,
Wherein the engaging portion is formed with an inclined surface such that the diameter of the engaging portion decreases toward the end of the engaging portion.
The method according to any one of claims 1 to 3,
Wherein the cut-out portion is formed by two or more cut-out portions.
The method according to any one of claims 1 to 3,
And a protrusion is formed on an outer circumference of the extension portion.
The method according to any one of claims 1 to 3,
Wherein the head is formed in a circular or polygonal shape.
The method according to any one of claims 1 to 3,
Wherein a screw thread is formed on an inner periphery of the insertion hole and an outer periphery of the extension portion so as to be threadedly engaged.
The method according to claim 2 or 3,
The length of the second threaded portion,
Wherein a length of the cutout portion is equal to or smaller than a length of the cutout portion with respect to an end of the latching portion.
The method according to claim 1,
Wherein a maximum diameter of the latching portion of the insert nut is equal to or smaller than a diameter of the insertion hole before the insert nut is inserted into the insertion hole of the plastic panel.
Claims 1. An insert nut for fastening a plastic panel,
The insert nut
A head portion protruding outwardly;
An extension part formed integrally with the head part and inserted into the insertion hole of the plastic panel;
The head portion and the extension portion are formed with threaded portions that penetrate through the center in the longitudinal direction and engage with the bolts,
Wherein the extension portion is formed with a cut-out portion cut in the longitudinal direction and an end portion protruding outwardly from the end portion to engage with an edge of the insertion hole.
The method of claim 11,
Wherein,
A first screw portion having a constant inner diameter;
A second threaded portion formed at one end of the extension portion in association with the first threaded portion and having a smaller inner diameter toward the other end; And an insert nut for fastening the plastic panel.
The method of claim 12,
Wherein the expanding portion comprises:
A first extension part connected to the head part and having a constant outer diameter;
A second expanding portion having one end connected to the first expanding portion and the other end connected to the engaging portion and having a smaller outer diameter from the first expanding portion toward the engaging portion; And an insert nut for fastening the plastic panel.
The method of claim 11,
And a screw thread is formed on the outer periphery of the extension portion.
The method of claim 11,
Wherein the engaging portion is formed with an inclined surface so as to have a smaller diameter toward an end thereof.
The method of claim 11,
Wherein at least two of the cut-out portions are formed.
The method of claim 11,
And a projection is formed on an outer periphery of the extension portion.
The method of claim 11,
Wherein the head is formed in a circular or polygonal shape.
The method of claim 12,
The length of the second threaded portion,
And the length of the cutout portion is equal to or smaller than a length of the cutout portion with respect to an end of the latching portion.
The method of claim 11,
Wherein a maximum diameter of the latching portion of the insert nut is formed to be equal to or smaller than a diameter of the insertion hole formed in the plastic panel.
KR1020130168037A 2013-12-31 2013-12-31 combination structure of plastic panel combination for insert nut and insert nut KR20150078565A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130168037A KR20150078565A (en) 2013-12-31 2013-12-31 combination structure of plastic panel combination for insert nut and insert nut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130168037A KR20150078565A (en) 2013-12-31 2013-12-31 combination structure of plastic panel combination for insert nut and insert nut

Publications (1)

Publication Number Publication Date
KR20150078565A true KR20150078565A (en) 2015-07-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102136746B1 (en) * 2019-09-10 2020-07-22 주식회사 엔케이 Device for fixing outfit of ship
KR102451677B1 (en) * 2022-03-08 2022-10-06 에스와이우드(주) Wooden Deck bonding Fastening Structure of Wooden Deck

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102136746B1 (en) * 2019-09-10 2020-07-22 주식회사 엔케이 Device for fixing outfit of ship
KR102451677B1 (en) * 2022-03-08 2022-10-06 에스와이우드(주) Wooden Deck bonding Fastening Structure of Wooden Deck

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