KR20150042518A

KR20150042518A - Guide channel having self-locking nut

Info

Publication number: KR20150042518A
Application number: KR20130121266A
Authority: KR
Inventors: 이방희
Original assignee: (주)바이브록
Priority date: 2013-10-11
Filing date: 2013-10-11
Publication date: 2015-04-21

Abstract

The present invention is characterized in that a moving member moved in a guide channel is provided with a loosening preventing nut so that the loosening object coupled with the loosening preventing nut is not arbitrarily separated on the guide channel due to the tight contact between the threads, One or more incision slits are formed and plastically deformed in the vertical direction so that the upper and lower widths become narrower from the inside to the outside, and when the plastically deformed portion is returned to the state before the plastic deformation is screwed to the bolt member, The present invention relates to a guide channel provided with a loosening prevention nut which can extend the service life of a bolt member and a loosening prevention nut by reducing kinetic energy applied to the loosening prevention nut by a spring, .
According to a preferred embodiment of the present invention, a guide channel provided with a loosening prevention nut includes a channel body having a sliding groove formed therein in its longitudinal direction, a moving member movably positioned in the sliding groove, And an outer circumferential thread formed in the outer circumferential surface of the nut so that one end thereof is threaded in the fastening hole and the other end is threaded in the fastening hole, And a bolt member to be screwed with the fixed object.

Description

{GUIDE CHANNEL HAVING SELF-LOCKING NUT}

More particularly, the present invention relates to a guide channel provided with a loosening prevention nut, and more particularly, to an anti-loosening nut provided on a moving member moved in a guide channel so that the loosening object, which is engaged with the loosening prevention nut, Wherein at least one cutting slit is formed horizontally in the loosening preventing nut and the upper and lower widths are plastically deformed in a vertical direction so as to become narrower from the inside to the outside, When the deformed part returns to the state before the deformed part, the cutting slit acts as a spring, so that the kinetic energy applied to the loosening preventing nut is converted into the tension, and the stress is reduced, thereby extending the life of the bolt member and the loosening preventing nut With anti-loose nuts It relates to the de-channels.

The guide channel is installed when sliding a predetermined fixed object by a specific range, and is used in a wide range such as a wall of a building, various mechanical devices such as an automobile, and furniture.

For example, Korean Utility Model Registration No. 20-0066299 (Jun. 30, 1992) discloses a guide channel for an automatic door drive unit that supports an automatic door drive unit having a slide type open / close structure and guides a movement of a door that is opened and closed. The brass rail guide rail is extruded separately to the outer channel of the guide channel made of the outer channel and the inner channel made of aluminum, so that the distortion is not eliminated during the production and the product is manufactured accurately according to the designed shape, The automatic door drive unit guide channel is known.

However, in the conventional guide channel, when the fixed object is continuously moved, there is a problem in that the mutual coupling force is loosened and breakage may occur or a safety accident may occur.

On the other hand, an anti-loosening nut is generally used to prevent loosening of the bolt and nut. However, between the thread of the bolt and the thread of the anti-loose nut, there is always a slight clearance in order to facilitate the mutual fastening. As a result, the bolt and the loosening nut are instantaneously loosened by the vibration or impact generated in the member.

As a result, the fastening state of the bolt and the loosening preventing nut is not good, which makes it difficult to assemble and fix the mechanical device. In order to solve this problem, the anti- A spring washer was proposed to prevent loosening by removing the clearance between the threads of the bolt and the anti-loose nut by tightening the nut in one direction. However, when the elasticity of the spring washer is lowered, it is impossible to push the loosening prevention nut with an appropriate force, so that a clearance is formed between the threads of the bolt and the loosening prevention nut.

Accordingly, it is an object of the present invention to provide a guide channel provided with an anti-loose nut, and more particularly, to an anti-loose nut provided on a moving member moved in a guide channel, One or more cutting slits are formed in the loosening preventing nut in the horizontal direction, and the upper and lower widths are plastically deformed in the vertical direction so as to become narrower from the inside to the outside, so that they are screwed to the bolt member When the plastically deformed part returns to the state before the plastic deformation part is deformed, the cutting slit acts as a spring, so that the kinetic energy applied to the loosening prevention nut is converted into the tension, and the stress is reduced. An anti-loosening nut which can extend the life It is to provide a guide channel provided.

According to an aspect of the present invention, there is provided a sliding device comprising: a channel body having a sliding groove formed therein in the longitudinal direction; a moving member movably positioned in the sliding groove; A bolt member having a thread formed on an outer circumference thereof and having one end screwed into the fastening hole and the other end screwed with the fastening object; And a guide channel provided with an anti-loose nut.

According to a preferred feature of the present invention, stopper protrusions are protruded on the front and rear sides of the moving member positioned in the sliding groove to limit the moving distance of the moving member.

According to a preferred aspect of the present invention, the cutting slit is formed on each of the upper and lower sides of the release preventing nut in opposite directions, and the upper and lower widths of the cutting slit are formed on the inner periphery side of the fastening hole A predetermined force is applied in a vertical direction in a process of screwing the bolt member and the loosening preventing nut to each other so that plastic deformation is made in a direction in which the width of the cutting slit becomes equal to each other, And a part of the outer periphery of the release preventing nut is in close contact with each other.

As described above, the guide channel provided with the unlocking nut according to the preferred embodiment of the present invention is as follows: First, the unlocking nut is provided on the moving member moved in the guide channel, It has the advantage that it is not arbitrarily separated on the guide channel due to the adhesion between the mutual threads.

Second, at least one cutting slit is formed in the loosening preventing nut in the horizontal direction, and the upper and lower widths are plastically deformed in the vertical direction so as to become narrower from the inside to the outside, so that the plastically deformed portion deforms in the process of screwing with the bolt member When returning to the previous state, the cutting slit plays the role of spring, so that the kinetic energy applied to the anti-loose nut is converted into the tension and the stress is reduced so that the life of the bolt member and the loose- .

1 is a perspective view of a guide channel provided with a release preventing nut according to an embodiment of the present invention;
FIG. 2 is a sectional view of a guide channel provided with a release preventing nut according to an embodiment of the present invention; FIG.
FIGS. 3A and 3B are views illustrating the use of a guide channel provided with an anti-loose nut according to an embodiment of the present invention. FIG.

FIG. 1 is a perspective view of a guide channel provided with a release preventing nut according to an embodiment of the present invention. FIG. 2 is a sectional view of a guide channel having a release preventing nut according to an embodiment of the present invention, FIGS. 3A and 3B show a state of use of a guide channel provided with a release preventing nut according to an embodiment of the present invention.

Hereinafter, the constituent members of the guide channel 1 having the release preventing nut according to the embodiment of the present invention and the connection relation thereof will be described in detail with reference to FIGS. 1 and 2. FIG.

A guide channel 1 having a release preventing nut according to a preferred embodiment of the present invention includes a channel body 10 in which a sliding groove 11 is formed in a longitudinal direction, And a fastening hole 31 formed at the center of the fastening hole 31 and having a thread on the inner circumference of the fastening hole 31. The fastening hole 31 is formed in the center of the fastening hole 31, And a bolt member 40 having a thread formed on the outer circumference thereof and having one end screwed into the fastening hole 31 and the other end threadedly engaged with the fastening object 50.

Here, the channel body 10 is fixed to one side of a wall, an automobile, and furniture, and acts as a rail for allowing a fixed object 50 to be described later to be slid by a predetermined distance. Inside the channel body 10, (11) is formed. The rail main body is formed in a bar shape having a length in one direction. Both ends of the rail main body are vertically bent upward so that the sliding groove 11 can be formed. The rail main body can be changed in various lengths and sizes depending on the installation object and purpose. Is preferably made of a metal material such as aluminum.

The stopper protrusion 12 protrudes from the sliding groove 11. The stopper protrusion 12 is located in the sliding groove 11 and restricts the moving distance of the moving member 20 A separate stopper may be attached. However, it is preferable to apply a predetermined force to the channel body 10 so as to protrude upwardly and convexly.

When the moving member 20 is positioned within the sliding groove 11 and then the moving distance of the moving member 20 is determined, the stopper projection 12 is pressed against the sliding groove 11 by applying a force to both ends of the moving distance. As shown in Fig.

The moving member 20 is movably positioned in the sliding groove 11. The moving member 20 has an unlocking nut 30 fixed to the upper portion of the moving member 20 so that the unlocking nut 30 to be movable along the sliding groove 11. The fixed object 50 can be moved along the sliding groove 11, It is preferable that the movable member 20 is formed to be large enough to be accommodated in the sliding groove 11 and the upper surface thereof is protruded so that the anti-loose nut 30 can be positioned outside the channel body 10.

A loosening preventing nut 30 is connected and fixed on the moving member 20 so that the loosening preventing nut 30 is screwed to the bolt member 40 to be described later And at the center thereof, a fastening hole 31 having a thread formed in its inner periphery is formed and one or more cutting slits 32 are formed in the horizontal direction.

It is preferable that the loosening prevention nut 30 is integrally formed or welded so as to be firmly fixed to the moving member 20 while being changeable in various sizes and shapes according to the fixed object 50 to be installed.

The cutting slits 32 are formed on the upper and lower sides of the release preventing nut 30 in the opposite directions. The upper and lower widths of the cutting slits 32 are loosened from the inner peripheral side of the fastening holes 31 And is narrower toward the outer circumferential side of the preventing nut 30.

A bolt member 40 is screwed into the fastening hole 31 of the loosening preventing nut 30. The bolt member 40 is fastened to the fastening object 50 by the above- It is a role that makes them interconnected. The bolt member 40 has a thread formed on the outer periphery of the bolt member 40, one end of which is screwed into the fastening hole 31, and the other end of which is fastened with the fastening object 50. As described above, in the preferred embodiment of the present invention, the fixing object 50 is not directly screwed to the loosening preventing nut 30, but a bolt member 40 is provided to allow both sides to be connected to each other. The fixing object 50 may be directly screwed to the anti-loose nut 30 side without the bolt member 40 according to the present embodiment.

When the bolt member 40 and the loosening preventing nut 30 are screwed together, a predetermined force is applied in the vertical direction so that the upper and lower widths of the cutting slit 32 become equal to each other. And the outer periphery of the release preventing nut 30 are in close contact with each other to prevent loosening.

Hereinafter, a method of using the guide channel 1 having the release preventing nut according to one embodiment of the present invention will be described in detail with reference to FIGS. 3A and 3B. FIG.

First, the bolt member 40 is screwed to the release preventing nut 30 fixed on the movable member 20. [ At this time, in the process of screwing the thread of the bolt member 40 and the thread of the loosening preventing nut 30 in the process of mutual screwing, the cutting slit 35 is formed to be narrower toward the outer circumferential side of the loosening preventing nut 30 from the inner peripheral side of the fastening hole 31, So that the upper and lower widths of the upper and lower walls 32 are equal to each other and are returned to the state before plastic deformation.

That is, when the bolt member 40 is screwed into the fastening hole 31 of the loosening preventing nut 30 subjected to the plastic deformation so that the cutting slit 32 is crushed, the inclined surface a of the upper side cutting slit 32, The inclined surfaces b of the side incision slits 32 are returned to the state before plastic deformation in the direction parallel to a 'and b' on the lower side thereof. At this time, the threads of the fastening hole 31 and the bolt member 40 are in close contact with each other as shown in the enlarged left and right sides of FIG. 3B, and the coupling force is increased to prevent the screw connection from being loosened or loosened. In addition, since the cutting slits 32 serve as springs, the kinetic energy applied to the loosening preventing nut 30 is converted into a tensile force to reduce the stress, so that the life of the loosening preventing nut 30 and the bolt member 40 .

The movable member 20 is positioned in the sliding groove 11 of the channel body 10 when the unlocking nut 30 and the bolt member 40 are screwed together and when the moving distance is determined, The stopper projection 12 is formed to be convex upward from the bottom surface of the sliding groove 11 by applying force to the point so as to limit the moving distance. Then, the fixing object 50 is screwed onto the bolt member 40.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It is not limited.

1: Guide channel with anti-loosening nut
10: Channel body
11: Sliding groove
12: Stopper projection
20: moving member
30: Loosening nut
31: fastening ball
32: incision slit
40: Bolt member
50: Fixed object

Claims

A channel body having a sliding groove formed therein in the longitudinal direction; And
A moving member movably positioned within the sliding groove;
An anti-loose nut connected and fixed on the moving member and having at its center a through hole formed at an inner circumference thereof with a thread formed therein and having at least one cut-out slit in a horizontal direction; And
And a bolt member having a thread formed on an outer periphery thereof, one end of which is threaded in the fastening hole, and the other end of which is screwed with the fastening object.

The method according to claim 1,
And stopper protrusions are protruded on the front and rear sides of the moving member positioned in the sliding groove to limit the moving distance of the moving member.

The method according to claim 1 or 2,
The cut-away slit is formed on each of the upper and lower sides of the release preventing nut in opposite directions, and the upper and lower widths of the cut-out slit are formed narrower toward the outer peripheral side of the release preventing nut from the inner peripheral side of the fastening hole, A predetermined force is applied in the vertical direction in the process of mutual screwing of the bolt member and the loosening preventing nut, so that the plastic deformation is made in the direction in which the width of the cutting slit becomes equal to the upper and lower widths, And a part of the periphery is in close contact with each other.