KR20150058694A - Fastner - Google Patents

Fastner Download PDF

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Publication number
KR20150058694A
KR20150058694A KR1020130141321A KR20130141321A KR20150058694A KR 20150058694 A KR20150058694 A KR 20150058694A KR 1020130141321 A KR1020130141321 A KR 1020130141321A KR 20130141321 A KR20130141321 A KR 20130141321A KR 20150058694 A KR20150058694 A KR 20150058694A
Authority
KR
South Korea
Prior art keywords
engaging
rib
fastener
panel
coupling
Prior art date
Application number
KR1020130141321A
Other languages
Korean (ko)
Inventor
전효경
Original Assignee
에코플라스틱 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 에코플라스틱 주식회사 filed Critical 에코플라스틱 주식회사
Priority to KR1020130141321A priority Critical patent/KR20150058694A/en
Publication of KR20150058694A publication Critical patent/KR20150058694A/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
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/06—Releasable fastening devices with snap-action
    • F16B21/07—Releasable fastening devices with snap-action in which the socket has a resilient part
    • 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
    • F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
    • F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
    • F16B5/0621—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship
    • F16B5/065—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship the plates being one on top of the other and distanced from each other, e.g. by using protrusions to keep contact and distance

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
  • Connection Of Plates (AREA)

Abstract

The present invention relates to a fastener for installing a coupling panel with a fixing hole on a fixing panel with a coupling rib, which comprises a body including a shoulder part and a leg part, and including an insertion groove part; a first supporting protrusion part protruding from both sides of the inner surface of the insertion groove part; an insertion guide part protruding from the inner surface of the insertion groove part; a second supporting protrusion part comprising a holding part extended from the end of the insertion guide part; and a coupling protrusion part formed on the holding part, and inserted into the coupling hole of the coupling rib. Therefore, the fastener can prevent movement of the upper part of the fastener or the separation of the lower part of the fastener from the coupling hole of the coupling panel even if the fixing panel or the coupling panel of a product fixed by the fastener receives impact or vibration.

Description

FASTNER

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a fastener, and more particularly, to a fastener provided separately from a fastening boss for securing a fastening force and durability of a fastening boss provided in a fastening panel in a fastening structure for fastening a fastening panel to a fastening panel.

2. Description of the Related Art [0002] Generally, an interior material of a vehicle interior material, an electronic product, or the like is configured such that a coupling panel is assembled to a fixing panel formed of plastic, and the coupling ribs formed on the fixing panel are inserted and fixed in fixing holes formed in the coupling panel .

If the fixing ribs of the fixing panel are fixed to the fixing panel by fitting them into the fixing holes, the fixing ribs formed integrally with the fixing panel may break or break during the assembling process or the product moving process. In order to prevent this, a structure for assembling a coupling panel to a fixed panel by inserting a separate fastener into the coupling rib and fixing the fastener to the fixing hole of the coupling panel has been proposed, Open Patent Publication No. 2008-0037289 (Patent Document 1).

As shown in FIG. 1, after the fastener 30 is inserted into the engaging rib 11 formed on the fastening panel 10, the fastening panel 20 is fastened to the fastening panel 20, The lower end of the fastener 30 is supported at the edge of the fixing hole 21 of the coupling panel 20 by fitting the fastener 30 fitted to the coupling rib 11 into the fixing hole 21 of the coupling panel 20.

The fastener 30 has a guide groove 31 from the bottom to the top and a hooking hook 32 is formed on one side of the inner surface of the guide groove 31. The engaging rib 11 is formed with a latching hole 11a through which the latching hook 32 of the fastener 30 is caught.

The fastener 30 is formed such that both side surfaces of the outer surface are formed by the inclined surface 33 and the step portion 34 is formed on the lower side of the inclined surface 33. When the fastener 30 is inserted into the engaging hole 11a and protruded, The fastener 30 is prevented from being detached from the fastening hole 11a by being caught by the edge of the fastening hole 11a after the step portion 34 is protruded upward from the fastening hole 11a.

However, when a shock is applied to the structure for fixing the fixing panel 10 and the coupling panel 20 using the conventional fastener 30 as described above, the fastener 30 is easily detached from the coupling panel 20, There is a problem that the fastener 30 is easily detached from the engaging rib 11 of the fastening panel 10 and the fastener 30 is lost when the panel 10 is broken and repaired.

Korean Patent Application Publication No. 2008-0037289 (Apr. 30, 2008)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a fastener which can be supported on both sides of a coupling rib at a lower portion of a fastener, The purpose is to provide.

According to an aspect of the present invention, there is provided a fastener for attaching a fastening plate having a fastening hole formed in a fastening panel having a fastening rib, the quickening fastening device comprising a shoulder portion on both outer sides thereof, A pair of first support protrusions which are formed to face each other on the inner surface of the fitting groove portion and which are held in contact with both surfaces of one end portion of the fitting rib, A pair of second supporting protrusions formed vertically in the end portion of the fitting guide portion and configured to be held in close contact with both side surfaces of the engaging rib and to be held by the holding protrusions; And an engaging projection protruding from the holding portion toward the engaging rib and fitted into the engaging hole of the engaging rib.

Further, when the fastener is detached from the fixing hole of the coupling panel, when the shoulder portion is compressed by the edge of the fixing hole, a pressing projection protruding from the holding portion toward the inner surface of the fitting groove portion to press the engaging projection of the holding portion into the engaging hole .

It is preferable that the pressing projection is formed at a position corresponding to the shoulder portion of the body, and an inclined surface such as a shoulder portion is formed at one end portion.

It is preferable that the engaging projection has a bottom surface formed of an inclined surface and the upper surface is formed in a flat surface so that the engaging rib can easily enter between the engaging projection and the reinforcing projection and the upper surface is closely held above the engaging hole of the engaging rib .

According to the present invention, it is possible to prevent the upper part of the fastener from flowing or the lower part of the fastener being separated from the coupling hole of the coupling panel even if impact or vibration is applied to the fixing panel and the coupling panel of the product fixed by the fastener.

The pressing projection is formed at a position corresponding to the upper portion of the shoulder portion of the body, which is the point where the fastener inserted into the fixing hole of the coupling panel is compressed, on the opposite side of the engaging projection fitted to the engaging hole of the engaging rib, It is possible to prevent the fastener from being detached from the engagement rib when the fastener is detached from the engagement rib.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing a coupling structure of a fixing panel and a coupling panel using a conventional fastener.
2 is a perspective view showing a fastener according to an embodiment of the present invention,
3 is a front view showing a fastener according to an embodiment of the present invention;
Fig. 4 and Fig. 5 are sectional views showing the fastener of Fig. 2 attached to the engaging ribs of the fixing panel. Fig.
6 is a cross-sectional view illustrating a fastener according to an embodiment of the present invention coupled to a coupling panel.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 2 is a perspective view showing a fastener according to an embodiment of the present invention, and FIG. 3 is a front view showing a fastener according to an embodiment of the present invention. FIGS. 4 and 5 are cross-sectional views illustrating a state where the fastener of FIG. 2 is coupled to a coupling rib of a fixed panel, and FIG. 6 is a cross-sectional view of a fastener according to an embodiment of the present invention coupled to a coupling panel .

The fastener 100 according to an embodiment of the present invention is inserted into the fixing hole 102a of the coupling panel 102 after being coupled to the coupling rib 101 integrally protruding from the fixing panel, And includes a body 110, a first support protrusion 120, a second support protrusion 130, a coupling protrusion 140, and a press protrusion 150. The body 110 includes a body 110, a first support protrusion 120, a second support protrusion 130,

First, the fastener for joining the fastening panel and the coupling panel 102 may have a structure for joining an interior material of an automobile, such as a door trim, an instrument panel, an armrest, etc., And a coupling panel made of iron or another material may be coupled to a fixing panel formed of an injection molded article of the injection molding machine 101.

The engaging rib 101 is formed on one surface of the fixing panel so that the fastener 100 is inserted into the fastener 100 according to an embodiment of the present invention. The coupling rib 101 is formed with a coupling hole 101a into which a coupling protrusion 130 of a fastener 100 to be described later is fitted. The coupling hole 101a is horizontally formed in the shape of a long hole in the coupling rib 101 formed vertically.

Here, the upper end of the engaging rib 101 is formed with a trapezoidal shape fitting portion having a smaller width as viewed from the front, so that the upper end portion of the engaging rib 101 can be easily fitted into the fitting groove portion 111 described later.

The body 110 has a fitting groove portion 111 which is formed in a substantially ∩ shape and which is formed toward a coupling rib 101 protruding from the fixed panel. The body 110 has a pair of legs 112, a shoulder portion 113 , And a fitting groove portion (111).

The pair of legs 112 extend downward from the shoulder 113 to be described later and are spaced apart from each other by a predetermined distance so that the coupling ribs 101 can be fitted. And is then supported on the coupling panel 102.

The shoulder portion 113 is formed on both outer sides of the body 110. As shown in FIG. 3, the shoulder portion 113 is formed as an inclined surface that widens from the top to the bottom when viewed from the front, and extends from the top to the bottom of the inclined surface.

The fitting groove portion 111 is formed in the shape of "∩", which is formed from one end (lower surface in FIG. 2) of the body 110 toward the fitting rib 101 of the fixed panel.

The first support protrusion 120 protrudes from the inner surface of the upper side of both sides of the fitting groove 111 toward the center and is configured to be held in contact with the lower side of the fitting and guiding portion of the fitting rib 101. That is, the first support protrusion 120 is formed on the upper side of the fitting groove 111 above the shoulder 113 of the body 110 to support the upper portion of the coupling rib 101.

The first support protrusion 120 supports the lower side of the fitting-in portion of the fitting rib 101 to prevent the fitting rib 101 inserted in the fitting groove 111 from flowing in the fitting groove 111 .

The second support protrusions 130 are formed to protrude from opposite sides of the lower inner surface of the fitting groove 111 so as to face each other and to contact and support both sides of the coupling rib 101 fitted in the fitting groove 111, (131), and a holding part (132).

The fitting guide portion 131 protrudes toward the center from the inside of the fitting groove portion 111 corresponding to the leg of the body 110 and is formed in a substantially 형상 shape so that the upper end of the fitting rib 101 is inserted into the fitting guide portion 111. [ And a pair of inclined surfaces protruding from the inner surface of the fitting groove portion 111 so as to be easily inserted through the lower portion of the bottom plate 131.

That is, the fitting guide portion 131 is formed to protrude from the both sides of the fitting groove portion 111 toward the center, and is inclined upwards so as to protrude upward from the fitting groove portion 111.

Accordingly, the pair of inclined surfaces formed facing each other is formed so that the distance between the free ends thereof is smaller than the thickness of the engaging ribs 101 sandwiched between the free ends, so that the engaging ribs 101 spread between the free ends of the inclined surfaces Respectively.

The gripping part 132 extends vertically from the free end of the fitting guide part 131 toward the upper side of the fitting groove part 111 and is vertically formed to be in close contact with both sides of the fitting rib 101, . The holding portion 132 is formed with a holding surface which is in close contact with both side surfaces of the coupling rib 101 facing each other.

The engaging protrusion 140 is formed to protrude from the holding portion 132 of the second supporting protrusion 130 toward the engaging rib 101 and fit into the engaging hole 101a of the engaging rib 101. [

The engaging protrusions 140 protrude from one of the nipping surfaces of the nipping portions 132 facing each other and are fitted into the engaging holes 101a of the engaging ribs 101 and are supported above the engaging holes 101a .

The engaging protrusion 140 is formed in a triangular shape and the lower portion is formed as an inclined surface so that the upper end of the engaging rib 101 slides when the engaging rib 101 is inserted. The upper end of the engaging protrusion 140 is flat and the end of the engaging protrusion 140 is fitted into the engaging hole 101a of the engaging rib 101 and is in surface contact with the upper side of the engaging hole 101a, Is prevented from being separated from the fitting groove portion 111 downward.

The engaging protrusion 140 is inserted into the engaging hole 101a of the engaging rib 101 so that its size is smaller than the thickness of the engaging rib 101 so as not to protrude to the other side through the engaging hole 101a of the engaging rib 101 .

The fastener 100 according to an embodiment of the present invention is configured such that when the fastener 100 is detached from the fastening hole 102a of the fastening panel 102, the shoulder portion 113 is fastened to the edge of the fastening hole 102a A pressing protrusion 150 protruding from the gripping portion 132 toward the inner surface of the fitting groove 111 is formed to further press the engaging protrusion 140 of the gripping portion 132 to the engaging hole 101a .

The pressing projection 150 protrudes from the holding portion 132 of the second supporting protrusion 130 and is formed on the opposite side of the holding surface facing the inner side surface of the fitting groove 111.

The pressing protrusion 150 is formed facing the inner side surface of the fitting groove 111 at a position corresponding to the upper portion of the shoulder 113 of the body 110 and has the same shape as the shoulder 113 formed as an inclined surface An inclined surface having an inclination is formed. That is, when the fastener 100 is detached from the fixing hole 102a of the coupling panel 102 in a state where the coupling panel 102 is coupled to the fixing panel, the shoulder portion 113 is formed on both sides of the fixing hole 102a The fastening protrusion 150 is pushed by the fastening protrusion 150 so that the fastening protrusion 140 inserted in the fastening hole 101a is pushed inward into the fastening hole 101a so that the fastener 100 is released from the fastening rib 101 It will play a role.

The operation of the fastener according to one embodiment of the present invention having the above-described structure will be briefly described.

First, when the fastener 100 is engaged with the engaging rib 101 of the fixed panel, after the fastening panel 101 is placed on the floor so that the engaging rib 101 faces upward, the fastener 100 is moved to the engaging rib 101 ). At this time, the fastener 100 is designed such that the entrance of the fitting groove portion 111 faces the fitting rib 101 so that the fitting groove portion 111 and the fitting rib 101 are in a straight line.

Thereafter, the fastener 100 is lowered to position the upper end of the engaging rib 101 to be fitted into the fitting groove 111, and then the fastener 100 is pressed to be engaged.

When the upper end of the engaging rib 101 is fitted into the fitting recess 111 of the fastener 100, the fitting protrusion of the second supporting protrusion 140 formed at the near side of the inlet of the fitting recess 111, That is, the first support protrusion 120, while being spread between the holding portions 132 of the second support protrusions 130 while being sandwiched between the first support protrusions 131.

When the upper end of the engaging rib 101 is fitted to the inside (upper) of the fitting groove 111, the end of the engaging projection 140 formed in the holding portion 132 of the second supporting projection 130 is engaged with the engaging rib The engaging protrusion 140 is supported on the upper surface of the engaging hole 101a while being inserted into the hole, thereby completing the fastener engagement with the engaging rib 101. [

The first support protrusion 120 of the fastener 100 is supported on the upper portion of the engaging rib 101 and the second support protrusion 140 is supported on the upper surface of the engaging rib 101 when the fastener 100 is engaged with the engaging rib 101, The upper part of the fastener 100 is moved or the fastener 100 is fixed to the fixing hole 102 of the coupling panel 102 even if the fixing panel and the coupling panel 102 are impacted or vibrated, It can be prevented from being separated from the main body 102a.

A pressing projection is formed on the opposite side of the engaging projection 101a of the engaging rib 101 to be engaged with the fastening hole 102a of the engaging panel 102, When the fastener 100 is detached from the fixing hole 102a of the coupling panel 102 in a state where the coupling panel 102 is coupled to the fixing panel, (100) can be prevented from being detached from the engaging rib (101).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is understandable. Accordingly, the true scope of the present invention should be determined by the following claims.

100: fastener
101: engaging rib 101a: engaging hole
102: coupling panel 102a: fixing hole
110: Body 111: Fitting groove
112: leg 113: shoulder part
120: first support protrusion
130: second supporting protrusion
131: fitting guide part 132:
140: engaging projection
150:

Claims (4)

1. A fastener for mounting a fastening panel having a fastening hole formed in a fastening panel having a fastening rib,
A body having a shoulder portion on both outer sides thereof, a fitting groove portion into which the fitting rib is inserted, and a leg extending from the shoulder portion and supported by the coupling panel;
A pair of first support protrusions formed to face each other on the inner surface of the fitting groove and held in contact with both surfaces of one end of the coupling rib;
A pair of second support protrusions protruding from the inner surface of the fitting groove to guide the fitting of the fitting ribs, and a pair of second supporting protrusions vertically formed at the ends of the fitting guide portion and held in close contact with both side surfaces of the fitting ribs;
An engaging projection protruding from the holding portion toward the engaging rib and fitted into the engaging hole of the engaging rib;
≪ / RTI > The method according to claim 1,
And further includes a pressing protrusion protruding from the holding portion toward the inner surface of the fitting groove to press the engaging protrusion of the holding portion into the engaging hole when the shoulder portion is compressed by the edge of the fixing hole when the fastener is detached from the fixing hole of the engaging panel . 3. The method of claim 2,
The pressure-
Is formed at a position corresponding to a shoulder portion of the body, and an inclined surface such as a shoulder portion is formed at one end portion. The method according to claim 1,
The engaging projection
Wherein the lower surface is formed as an inclined surface and the upper surface is formed as a flat surface so that the engagement rib can easily enter between the engagement protrusion and the reinforcing protrusion and the upper surface is tightly supported above the engagement hole of the engagement rib.
KR1020130141321A 2013-11-20 2013-11-20 Fastner KR20150058694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130141321A KR20150058694A (en) 2013-11-20 2013-11-20 Fastner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130141321A KR20150058694A (en) 2013-11-20 2013-11-20 Fastner

Publications (1)

Publication Number Publication Date
KR20150058694A true KR20150058694A (en) 2015-05-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020130141321A KR20150058694A (en) 2013-11-20 2013-11-20 Fastner

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110778583A (en) * 2019-11-01 2020-02-11 徐州华显凯星信息科技有限公司 Push type expansion fixing buckle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110778583A (en) * 2019-11-01 2020-02-11 徐州华显凯星信息科技有限公司 Push type expansion fixing buckle

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