WO2019098688A1

WO2019098688A1 - Fastening device having loosening prevention function

Info

Publication number: WO2019098688A1
Application number: PCT/KR2018/013954
Authority: WO
Inventors: 윤여빈; 손흥식
Original assignee: (주)파인드몰드
Priority date: 2017-11-17
Filing date: 2018-11-15
Publication date: 2019-05-23
Also published as: KR102067470B1; KR20190056711A

Abstract

The present invention relates to a fastening device having an unfastening prevention function. According to an embodiment of the present invention, unfastening from a member due to various external factors when the fastening device is fastened to various metallic structures is prevented, and thus there is an effect in that various accidents, such as the collapse of a structure or the like, can be prevented. Moreover, magnetic force is enhanced through a multipolar magnetization method of dividing into multiple poles, and thus there is an effect in that tighter coupling to various metallic structures can be achieved.

Description

Fastening device with anti-loosening function

The present invention relates to a fastening device having a loosening prevention function.

In general, fastening devices, including bolts and nuts, are used as a means to combine various machines or mechanisms, or to join and secure structures during construction of rails, bridges, and buildings.

Meanwhile, when the fastening device described above is coupled to a rail and a line conversion device provided for running a bridge or a railway vehicle, the vibration caused by an excessive load of the vehicle causes the bolt and the nut to separate from various structures, An accident such as a deviation from a certain area occurs.

On the other hand, as a prior art for solving the above-mentioned problems, Korean Patent Laid-Open No. 10-2016-0139197 (published on Dec. 12, 2017) discloses an attachment nut having an anti-loosening function.

The Korean Unexamined Patent Publication (Kokai) discloses an effect of preventing various troubles by preventing a nut from being loosened from a bolt through a mounting plate provided with a nut at a central portion and having a plurality of projections formed on an object when engaged with the outer periphery .

However, in the Korean Unexamined Patent Publication (KOKAI), there is a problem in that a separate space is required for installing the attachment plate to prevent the fastening device from loosening, and the universal structure is deteriorated due to the structure in which the attachment plate can not be easily installed on the metal structure have.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a method of preventing collapse of a structure due to various factors, And an object of the present invention is to provide a fastening device having an anti-loosening function capable of preventing various accidents from occurring.

Another object of the present invention is to provide a fastening device having a loosening preventing function that can be more tightly coupled with various structures made of a metal by improving the magnetic force through a multipolar magnetizing method for dividing the polarity into a plurality of polarities.

The problems to be solved by the present invention are not limited thereto, and other matters not mentioned can be clearly understood by those skilled in the art from the following description.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, A coupling member coupled to one end of the coupling member; And a magnet portion provided on one or both of the coupling member and the coupling member and magnetized in a multipole so as to be coupled with the member through magnetic force to prevent the coupling member and the coupling member from being loosened, A fastening device having a preventive function is provided.

According to an embodiment, the magnet portion includes a plurality of magnets magnetized in a circumferential direction, and the plurality of magnets are arranged in such a manner that their polarities alternate in the vertical direction along the circumferential direction.

According to an embodiment, the magnet portion includes a plurality of magnets magnetized in the circumferential direction, and the plurality of magnets are arranged in such a manner that their polarities alternate in the radial direction along the circumferential direction.

According to an example of the present invention, the plurality of magnets have curved or oblique boundaries that are divided from each other with respect to the upper surface.

According to an example of the present invention, the magnet unit includes: a first magnet having different polarities in a vertical direction; And a second magnet disposed radially inwardly or radially outward of the first magnet, the second magnet having its polarity inverted up and down with respect to the first magnet.

According to an embodiment, the first magnet and the second magnet are formed such that a boundary line formed by dividing the first magnet and the second magnet with respect to the upper surface forms a waveform along the circumferential direction.

According to an embodiment of the present invention, the coupling member includes a coupling portion through which the coupling member is coupled, and the vibration force applied in the vertical direction is eliminated by the tension energy, so that the coupling slit is horizontally Respectively.

According to the embodiments of the present invention, it is possible to prevent a variety of accidents such as collapsing of a structure by preventing unfolding from a member due to various external factors when the metal structure is coupled to various structures.

Further, according to the embodiment of the present invention, by improving the magnetic force through the multipolar magnetization method of dividing the polarity into a plurality of polarities, it is possible to more tightly couple to various structures of metal materials.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is an exploded perspective view of a fastening device having a release preventing function according to an embodiment of the present invention.

2 is a perspective view and a partial cutaway view for explaining a first magnet unit according to the first embodiment of FIG.

FIG. 3 is a perspective view and a partial cutaway view for explaining the first magnet unit according to the second embodiment of FIG. 1;

FIG. 4 is a perspective view illustrating another embodiment of the first magnet unit according to the first and second embodiments of FIGS. 2 and 3. FIG.

5 and 6 are a perspective view and a partial cutaway view for explaining the first magnet unit according to the third embodiment of FIG.

7 is a perspective view and a partial cutaway view for explaining the first magnet unit according to the fourth embodiment of FIG.

FIG. 8 is an exploded perspective view of the coupling member and the second magnet portion of FIG. 1; FIG.

9 is a cross-sectional view showing a structure in which a fastening device having a release preventing function according to an embodiment of the present invention is coupled to a member.

FIG. 10 is a view for explaining a coupling member according to another embodiment of the present invention shown in FIG. 1. FIG.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference symbols as possible even if they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected to or connected to the other component, It should be understood that an element may be "connected," "coupled," or "connected."

1 is an exploded perspective view of a fastening device having a release preventing function according to an embodiment of the present invention. 2 is a perspective view and a partial cutaway view for explaining a first magnet unit according to the first embodiment of FIG. FIG. 3 is a perspective view and a partial cutaway view for explaining the first magnet unit according to the second embodiment of FIG. 1; FIG. 4 is a perspective view illustrating another embodiment of the first magnet unit according to the first and second embodiments of FIGS. 2 and 3. FIG. 5 and 6 are a perspective view and a partial cutaway view for explaining the first magnet unit according to the third embodiment of FIG. 7 is a perspective view and a partial cutaway view for explaining the first magnet unit according to the fourth embodiment of FIG. FIG. 8 is an exploded perspective view of the coupling member and the second magnet portion of FIG. 1; FIG. 9 is a cross-sectional view showing a structure in which a fastening device having a release preventing function according to an embodiment of the present invention is coupled to a member. FIG. 10 is a view for explaining a coupling member according to another embodiment of the present invention shown in FIG. 1. FIG.

As shown in these drawings, the fastening device 10 having the release preventing function according to the embodiment of the present invention includes a fastening member 101 penetratingly connected to a member 901 forming a structure; A coupling member 103 coupled to one end of the fastening member 101; The coupling member 103 and the coupling member 103 are provided on one or both of the coupling member 101 and the coupling member 103 so as to be coupled with the member 901 through magnetic force to prevent loosening of the coupling member 101 and the coupling member 103, And a magnet unit 105 magnetized with a magnetic field.

The fastening member 101 is coupled to various members 901 of the metal material forming the structure to fasten and bind the structure, and the fastening member 101 may be provided in a bolt structure as an example.

The coupling member 101 includes a core portion 107 penetratingly connected to the member 901 and a head portion 109 formed at one end of the core portion 107 and closely contacting the member 701 when engaged with the member 901. [ .

The core portion 107 is formed in the longitudinal direction from the head portion 109 and is threaded on the outer circumferential surface so as to be screwed with the member 901 or the engaging member 103.

The head portion 109 is formed at the end of the core portion 107 so as to be in close contact with the member 701 when the core portion 107 is inserted into the member 701. In the head portion 109, The seat portion 111 having the seat 105 is recessed.

The seat portion 111 may be formed in a shape corresponding to that of the magnet portion 105 so that the magnet portion 105 can be seated on the seat portion 105. For example, As shown in FIG.

The coupling member 103 includes a coupling portion 801 coupled at one end to the coupling member 101 and threaded on the inner peripheral surface to be screwed with the core portion 107, 2 magnet part 115. The mounting recess 803 is formed to be recessed to accommodate the magnet part 115 of FIG.

The magnet part 105 is coupled with the member 901 through the magnetic force when the engaging member 101 or the engaging member 103 is engaged with the member 901 forming the structure, (Not shown).

The magnet unit 105 may be provided on one or both of the coupling member 101 and the coupling member 103. In an embodiment of the present invention, A first magnet part 113 provided on the member 101 and a second magnet part 115 provided on the coupling member 103. [

The first magnet part 113 may be provided with a magnet coupled to the metallic material through a magnetic force and may be magnetized in multiple poles so as to prevent loosening of the fastening member 101 from the member 901, Magnetic).

Hereinafter, various embodiments of the first magnet unit 113 will be described with reference to FIGS. 2 to 7. FIG.

Referring to FIG. 2, the first magnet unit 113a according to the first embodiment of the present invention includes a plurality of magnets 201 magnetized in the circumferential direction, and the plurality of magnets 201 have a polarity in a circumferential direction And are alternately arranged in the vertical direction.

The first magnet part 113a is provided on the seating part 111 and is disposed on the first magnet part having an upper portion H1 of N pole and a lower portion L1 of magnetic pole of S pole so that a magnetic force P1 is formed in a vertical direction And an upper portion H2 extending in a circumferential direction from the first magnet 203 and having a polarity inverted in a vertical direction with respect to the first magnet 203 so that a magnetic force P1 is formed in a vertical direction, And a second magnet (205) having an N pole (L2).

More specifically, the first magnet unit 113a has a circular band shape in which the first magnet 203 and the second magnet 205 are arranged alternately along the circumferential direction so that the polarity is inverted in the vertical direction, / RTI >

3, the first magnet unit 113b according to the second embodiment of the present invention includes a plurality of magnets 301 magnetized in a circumferential direction, and the plurality of magnets 301 have a polarity in a circumferential direction Are arranged alternately in the radial direction along the direction.

The first magnet part 113b is provided on the seating part 111 and is disposed on the seating part 111. The first magnet part 113b is disposed on the seating part 111 so that one side D1 is an S pole and the other side D2 is a N magnet, A first magnet 303 extending in the circumferential direction and having a polarity opposite to that of the first magnet 303 in the radial direction so that the magnetic force P2 is radially formed; And a second magnet (305) having the S pole at the other end (D4).

Referring to FIG. 4, the

magnets

201 and 301 of the first and

second magnet units

113a and 113b according to the first and second embodiments of the present invention have a boundary line BL1, Or an oblique line.

In other words, the

first magnets

203 and 303 having the

first magnets

113a and 113b formed in the up and down direction or the radial direction and the

first magnets

203 and 303 extending in the circumferential direction from the

first magnets

203 and 303, By the structure in which the divided boundary line BL1 of the

second magnets

205 and 305 which are inverted in the up-down direction or the radial direction forms a curved line or an oblique line and is magnetized in multiple poles, the magnetic forces of the

first magnet parts

113a and 113b are improved It is possible to prevent the fastening member 101 and the engaging member 103 from being loosened.

Here, the oblique line refers to a line having a length longer than a line passing the center point of the

first magnet parts

113a and 113b without passing through the center points of the

first magnet parts

113a and 113b.

Referring to FIG. 5, the first magnet unit 113c according to the third embodiment of the present invention includes a first magnet 501 having different polarities in the vertical direction; And a second magnet 503 disposed on the radially inner side or the radially outer side of the first magnet 501, the second magnet 503 having its polarity inverted up and down with respect to the first magnet 501.

The first magnet 501 has different polarities in the up and down direction so as to form a magnetic force in the vertical direction. For example, the upper portion H3 is formed as an N pole, the lower portion L3 is formed as an S pole, As shown in Fig.

The second magnet 503 has a polarity different from that of the first magnet 501 in the up-and-down direction. The polarity of the second magnet 503 is inverted in the up-down direction with respect to the first magnet 501. For example, And the lower portion L4 is formed as an N pole, and is provided in the form of a circular band in which a hollow is formed.

The first magnet 501 having a different polarity in the up and down direction and the second magnet 503 polarized in the up and down direction with the first magnet 501 are disposed inside or outside of the first magnet 501 The magnetic force of the first magnet part 113c is amplified by the structure in which the magnetic force of the first magnet 501 formed in the vertical direction and the magnetic force of the second magnet 503 are added to each other have.

6, the first magnet part 113c according to the third embodiment of the present invention includes a first magnet 501 and a second magnet 503, The boundary line BL2 between the first magnet 501 and the second magnet 503 forms a waveform along the circumferential direction so that the area of contact between the first and

second magnets

501 and 503 becomes large, The magnetic force of the first magnet part 113c is improved and it is possible to prevent the fastening member 101 and the coupling member 103 from loosening.

In the drawing, the boundary line BL2 between the first magnet 501 and the second magnet 503 is formed to have a waveform having a predetermined curvature. Alternatively, the boundary between the first magnet 501 and the second magnet 503 503 may be formed to have an irregular waveform.

7, the first magnet part 113d according to the fourth embodiment of the present invention includes a plurality of magnets 701 magnetized in the circumferential direction, and the plurality of magnets 701 have a polarity Are alternately arranged in the up-down direction and the radial direction along the circumferential direction.

An example of the structure of the first magnet part 113d will be described in more detail. The first magnet part 113d has an upper one side HD1 with an N pole, a second upper side HD2 with an S pole, And the upper one side HD3 extends in the circumferential direction from the first magnet 703 and the first magnet 703 having the lower LD2 as the S pole and the lower one LD2 as the N pole, And a second magnet 705 whose other side HD4 is N pole, lower one side LD3 is N pole and the other lower side LD4 is S pole.

That is, the first magnet part 113d is formed by alternately arranging the first magnet 703 and the second magnet 705 in the circumferential direction, and the polarities of the first magnet 703 and the second magnet 705 are alternately formed in the vertical direction and the radial direction The magnetic force P3 can act in the vertical direction and the radial direction.

The second magnet part 115 is provided in the seating groove 803 of the coupling member 103 and is magnetized in various ways in the same manner as the first magnet part 101 so that the magnetic force acting on the member 901 is improved. .

The second magnet part 115 may form part of the inner circumferential surface of the coupling part 801 so that a magnetic force is applied to the coupling member 101 in the radial direction. At this time, as shown in FIG. 9, A third magnet portion (not shown) having a polarity different from that of the second magnet portion 115 may be provided to further improve the magnetic force acting in the radial direction.

10, the coupling member 103a according to another embodiment of the present invention includes a coupling portion 1001 through which the coupling member 101 is coupled, and the vibration stress applied in the vertical direction is transmitted through the coupling portion 1001, The cutting slit 1003 is formed in a horizontal direction so as to be prevented from being loosened from the fastening member 101 while being eliminated.

An example of the structure of the coupling member 103a will be described in more detail. The coupling unit 1001 includes a coupling unit 1001 through which the coupling member 101 is coupled, A nut portion 1007 including a second magnet 1005 having a hollow communicating with the coupling portion 1001 and having a magnetic force in a radial direction and a coupling portion 1001 extending from one end of the nut portion 1007, And a tension part 1009 formed with a hollow communicating with the cutting slit 1003 in a horizontal direction.

That is, when the fastening member 101 is engaged, the engaging member 103a has a structure in which the tension I is formed in the axial direction of the fastening member 101 while the interval I of the incision slit 1003 of the tension portion 1009 is increased The vibration stress applied in the up-and-down direction is converted into the tension energy to prevent loosening with the fastening member 101.

According to the embodiment of the present invention having the above-described structure, it is possible to prevent a variety of accidents such as collapse of a structure by preventing unfolding from members due to various external factors when the metal structure is combined with various structures It is effective.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them.

It is also to be understood that the terms such as " comprises, " " comprising, " or " having ", as used herein, mean that a component can be implanted unless specifically stated to the contrary. But should be construed as including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or overly formal, unless expressly defined to the contrary.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

Claims

A fastening member penetratingly coupled to the member forming the structure;

A coupling member coupled to one end of the coupling member; And

A magnet unit which is provided on one or both of the coupling member and the coupling member and is magnetized in a multipole so as to be coupled with the member through magnetic force to prevent the coupling member and the coupling member from being loosened;

Wherein the fastening device has an unlocking function.
The method according to claim 1,

The magnet unit includes:

And a plurality of magnets magnetized in a circumferential direction,

Wherein the plurality of magnets are disposed such that their polarities alternate in the vertical direction along the circumferential direction.
The method according to claim 1,

The magnet unit includes:

And a plurality of magnets magnetized in a circumferential direction,

Wherein the plurality of magnets are disposed such that their polarities alternate in the radial direction along the circumferential direction.
The method according to claim 2 or 3,

The plurality of magnets

And the boundary line segmented from each other with respect to the upper surface is formed of a curved line or an oblique line.
The method according to claim 1,

The magnet unit includes:

A first magnet having different polarities in a vertical direction; And

A second magnet disposed radially inwardly or radially outward of the first magnet, the second magnet having a polarity opposite to that of the first magnet in a vertical direction;

Wherein the fastening device has an unlocking function.
6. The method of claim 5,

Wherein the first magnet and the second magnet are arranged such that,

Wherein a boundary line formed by dividing the upper surface with respect to the upper surface is formed to have a waveform along the circumferential direction.
The method according to claim 1,

The coupling member

A coupling portion to which the coupling member is coupled is formed,

Wherein the cutting slit is formed in a horizontal direction so that the vibration stress exerted in the vertical direction is eliminated by the tension energy and is prevented from being loosened from the fastening member.