KR101007215B1 - Fixing device having ring type handle - Google Patents

Abstract

PURPOSE: A joining tool having a ring handle, which can be conveniently attached and detached without tools, is provided to reduce drag force and noise by preventing the exposing of the ring handle to outside toward an object. CONSTITUTION: A joining tool having a ring handle comprises a first and second receptacles(110,120), a stud(130), a spring(140), a ring handle(150) and a fixed block(160). The first and second receptacles are formed on an object. The first and second receptacle has a first insertion hole and a second insertion hole(128). The stud has a head(132) on one end and a protrusion(134) on the other end. The stud is rotated after passing through the first and second insertion hole of the first and second receptacles. The protrusion moves to a fixed plane(124) along an oblique plane(122) of the second receptacle. The stud fixes the object and a fixed member.

Description

Fixing Device Having Ring Type Handle}

The present invention relates to a fastener, and more particularly, it is possible to simply fix and remove the inspection window, etc. without using a tool, and to minimize the protruding on the outer surface to minimize the drag applied during high-speed driving or flight The present invention relates to a fastener equipped with a ring-shaped handle that can be easily applied to a military aircraft because it can be easily shortened in maintenance time and is advantageous for high-speed flight.

In general, a car or an airplane has a door or an inspection window so as to be easy to open and close the part that should be checked at all times.

In addition, in order to easily fasten and fix frequently opened doors and inspection windows or frequently removed parts, 1/4 turn fasteners are used instead of general screws and bolts.

While the general screw and bolt are rotated several times and completely tightened, the 1/4 turn fastener is 1/4 turn which is about 90 degrees, which enables easy and stable fixing and detachment, so that the frequently turned part is frequently removed. Is being used. Of course, the rotation angle of the 1/4 turn fastener is 90 degrees, and may be manufactured in various angle ranges such as 60 degrees or 180 degrees depending on the manufacturing.

As shown in FIG. 1, the fastener includes a stud 30, a first receptacle 10, a second receptacle 20, and a spring 40.

The stud 30 has a head 32 into which a straight or Phillips screwdriver can be inserted at an upper end thereof and extends downwardly, and protrusions 34 extending in both directions are formed at a lower end thereof.

In addition, the first receptacle 10 is provided in a target object such as a door and an inspection window, and the stud 30 is made to penetrate. The spring 40 elastically supports the head 32 of the stud 30 with respect to the first receptacle 10.

In addition, the second receptacle 20 is provided in a fixture to which the object to be joined is coupled, and an end of the stud 30 penetrating the first receptacle 10 penetrates through the stud 30. The inclined surface 22 and the fixing surface 24 on which the protrusion 34 is supported are formed.

The inclined surface 22 is formed to be inclined downward, and the fixing surface 24 is formed continuously with the inclined surface 22.

Therefore, when the stud 30 is rotated while the stud 30 is inserted into the second receptacle 20, the protrusion 34 formed at the end of the stud 30 is the second receptacle 20. The stud 30 is pressed along the inclined surface 22 while being supported by the inclined surface 22 of the first receptacle 10 and the combined object, and the fixed surface 24 is fixed while reaching the fixed surface 24. The fastening of the water and the fixture is completed.

However, such a conventional fastener also requires a tool such as a driver, which is inconvenient to be used while the worker carries the tool. As shown in FIG. 2 to solve this problem, the head 32 of the stud 30 A structure in which the handle 36 in the form of a butterfly is formed at the portion is also proposed.

Therefore, the operator can turn by hand when necessary without the use of a tool can be improved operator convenience.

However, in the above structure, the butterfly-shaped handle 36 of the stud 30 protrudes to the outside of the surface. Due to the protrusion, the fastener checks the window of an automobile or a high-flying aircraft requiring high-speed driving. When applied to such a problem there is a problem that the drag is increased and thus the generation of unnecessary noise. Particularly, in the case of military aircraft, high-speed flight and rapid start are frequently performed due to the characteristics of the operation, and unexpectedly tightening of the stud 30 is caused when external vibration, shock, and resistance due to high-speed flight are continuously applied by the hit or shock wave. There is a concern that it may be solved, which has a problem that may cause a large accident.

The present invention is to solve the above problems, the operator does not need to use the tool does not protrude to the outside does not generate a drag, fastening force is not released even in vibration and shock, fasteners provided with a secure ring-shaped handle The task is to provide.

In order to solve the above problems, according to an embodiment of the present invention, the first receptacle is provided in the object to be joined, the first insertion hole is formed on the inner surface, is provided in the fixture to which the object is coupled, A second insertion hole is formed in the inner surface communicating with the first insertion hole, the second receptacle formed with the inclined surface and the fixed surface continuous to at least a portion of the lower side circumference, at one end than the first insertion hole of the first receptacle A head having a large diameter is formed, a predetermined length is extended to the other side, and a protrusion is formed at an end thereof, and the protrusion is rotated after passing through the first insertion hole of the first receptacle and the second insertion hole of the second receptacle. 2 a stud which is moved along the inclined surface of the receptacle to the fixing surface and is provided between the first receptacle and the stud by pressing and fixing the object to be fixed and the fixture. A spring that elastically supports from the receptacle, a ring handle and the ring handle which are bent in an annular shape so that the user can turn the stud by hand so that one end and the other end is rotatably coupled to opposite sides of the head of the stud. A fastener with a ring-shaped handle is provided that includes a fixing block provided on the object to be coupled to the ring handle when it is rotated to the combination side.

The fixing block may be configured to elastically fix the annular ring handle when the ring handle is rotated and folded toward the surface of the object to be joined.

The fixing block may be formed such that the side cross section facing the object to be joined is narrower than the side cross section opposite thereto.

The receiving groove may be formed around the fixing block of the object to be received so that the ring handle is accommodated without protruding outside the surface of the object when the ring handle part is folded.

The ring handle may be configured to be bent to the fixed block side when the ring handle is rotated and folded toward the surface to be bonded.

A rotation limiting jaw is formed inside the first receptacle so that the stud rotates between the inclined surface and the fixed surface of the second receptacle, and the stud has a rotation range limited to the rotation limiting jaw between the studs. Protrusions may be formed corresponding to the rotation limit locking step.

The first receptacle may be formed with a key inserted into the surface of the object to be bonded so as not to rotate along the rotation of the stud.

According to the fastener provided with a ring-shaped handle of the present invention, there are the following effects.

First, since the handle is bent in the form of a ring, it can be easily fixed and detached without using a tool, thereby improving the convenience of use.

Second, the ring handle bent in a ring shape is rotatably provided to the surface side of the object to be joined, and when the ring handle is folded to the object side, a receiving groove is formed to receive the ring handle portion, so that the ring handle is moved out of the surface. It does not protrude, and there is an effect of reducing the risk of occurrence of drag and noise caused by drag or drag resulting in it can be mainly applied to military aircraft flying at high speed.

Third, since the ring handle is elastically fixed in a state of being flipped by the fixing block when it is rotated toward the surface of the object to be joined, there is no fear that the tightening of the fastener may be loosened due to vibration and impact, so that the possibility of an accident is significantly lowered. There is an effect to be improved.

Fourth, it can be fastened or removed even with less than 1 turn such as 1/4 turn without rotating several turns, so fastening and dismounting can be made very quickly. It is advantageous.

1 is an exploded perspective view showing an example of a conventional general 1/4 turn fastener;
2 is an exploded perspective view showing another example of a conventional general 1/4 turn fastener;
Figure 3 is an exploded perspective view showing a fastener with a ring-shaped handle according to an embodiment of the present invention;
4 is a side view of the first receptacle of FIG. 3;
5 is a bottom view of FIG. 4;
Figure 6 is a perspective view of the stud of Figure 3;
7 is an exploded view of the inclined surface and the fixed surface of a portion of the second receptacle of FIG. 3;
8 is an exploded perspective view showing a state in which the fastener of the present invention is provided in the object to be joined and the fixture;
FIG. 9 is a side view of FIG. 8, showing the stud separated from the second receptacle; FIG.
10 is a side view showing a state in which a stud is inserted into and fastened to a second receptacle;
11 is a side view showing a state in which the ring handle of Figure 10 is coupled to the fixed block;
12 is a cross-sectional view showing a state in which the ring handle is coupled to the fixed block from another angle.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted.

In addition, in the description of the present embodiment, a fastener equipped with a ring-shaped handle of the present invention (hereinafter referred to as a 'fastener') is an object to be joined such as a door or an inspection window and a main body in which the door or the inspection window is opened and closed. It will be described with an example applied to the fixture of. Of course, the present invention is not limited to being applied to doors or inspection windows, etc., but may have various fields of application such as fixing or coupling of other parts.

Fasteners having a ring-shaped handle according to the present embodiment, as shown in Figure 3, the first receptacle 110 and the second receptacle 120, the stud 130, the spring 140, the ring handle 150 and It may be made by including a fixed block 160.

As shown in FIGS. 4 to 5 and 8, the first receptacle 110 is provided in the combined object 180 such as a door or an inspection window that opens and closes with respect to the main body, and has a first inserting hole (inside). 112 is formed.

3 and 8, the second receptacle 120 is provided on a fixture 190 such as a main body to which the object 180 is coupled, and the first receptacle 110 on an inner circumferential surface thereof. A second insertion hole 128 in communication with the first insertion hole 112 is formed.

3 and 6 and 8, the stud 130 has a head 132 having a diameter larger than the first insertion hole 112 of the first receptacle 110 at one end, The predetermined length is extended to the lower side and the projections 134 are formed at both ends of the protrusions. The stud passes through the first insertion hole 112 of the first receptacle 110 and then passes through the second insertion hole 128 of the second receptacle 120. At this time, the protrusion 134 of the stud 130 is made to be supported on the lower side of the second receptacle 120.

And, as shown in FIG. 3, the spring 140 is provided between the first receptacle 110 and the head 132 of the stud 130 to elastically support the stud 130. .

On the other hand, the lower side of the second receptacle 120 supports the protrusion 134 of the stud 130, the inclined surface 122 and the fixing surface 124 is formed at least in part. FIG. 7 is a view illustrating the inclined surface 122 and the fixed surface 124 by unfolding a part of the second receptacle 120.

As shown in FIG. 7, the inclined surface 122 is formed by inclining a portion of the lower surface of the second receptacle 120 downward, and the fixing surface 124 is formed from one side end of the inclined surface 122. It may be formed continuously, and may be formed in the shape of a groove so that a part of the protrusion 134 is seated or may be formed in a direction perpendicular to the direction in which the spring 140 is elastically supported.

In addition, since the protrusions 134 are formed in pairs to face each other, the inclined surface 122 and the fixing surface 124 may also be formed to face each other. In addition, the protrusion 134 moves on the inner circumferential surface of the second insertion hole 128 corresponding to the end of the inclined surface 122 so that the stud 130 may be pulled out or inserted from the second receptacle 120. The groove 126 may be formed along the inner circumferential surface of the second insertion hole 128 in the axial direction of the second insertion hole 128.

Therefore, when the stud 130 is inserted into the second insertion hole 128 of the second receptacle 120 and rotates, the protrusion 134 is fixed from the inclined surface 122 of the second receptacle 120. The stud 130 is pulled toward the second receptacle 120 while moving along the lower surface of the second receptacle 120 to the surface 124. Therefore, the first receptacle 110 and the combined object 180 are also fixed to the fixture 190 by the elastic force of the spring 140 provided between the head 132 of the stud 130 and the first receptacle 110. It can be fixed while being pressed to the side.

The ring handle 150 is made of a wire of a predetermined strength, and the wire is bent in an annular shape so that both ends are rotatably coupled to the head 132 of the stud 130 or to be joined 180 It is made to be able to flip to the surface side.

That is, when there is a need to rotate the studs 130, the ring handle 150 is used to stand up, and when the fastening is completed, it can be brought into close contact with the surface by turning to the surface of the object 180 to be wetted. .

In addition, the fixing block 160 is provided on the surface of the combined object 180 to fix the ring handle 150 when the ring handle 150 is rotated to the side of the object 180. It is a component.

As shown in FIGS. 8 to 12, the fixing block 160 is formed such that the width of the side cross section facing the object 180 is smaller than the width of the side cross section opposite thereto.

That is, referring to the drawings, the upper width is wider than the lower width. In addition, the width of the lower side is made to correspond to the width of the inner peripheral surface of the ring handle 150. Accordingly, the folded ring handle 150 may be clamped between the fixing block 160 and the surface of the combined object 180 by its elasticity.

In addition, the edge of the wide portion of the upper side of the fixing block 160 may be formed to be round so that the wire of the ring handle 150 can be easily coupled and separated.

8 and 11, the ring handle 150 fixed to the fixed block 160 is coupled to the surface of the combined object 180 around the fixed block 160. A receiving groove 182 may be formed to accommodate the ring handle 150 so as not to protrude out of the surface of the water 180.

In addition, the wire of the ring handle 150 may be bent to be accommodated in the receiving groove 182 as much as possible. That is, as shown in FIG. 10, the ring handle 150 is bent to face the surface of the object 180 when the ring handle 150 is flipped toward the surface of the object 180, and the fixing block 160 is The portion coupled to the bent portion is bent to be parallel to the surface of the object to be bonded 180, and the end portion is bent toward the outside of the surface of the object to be bonded 180. This is to make it easy to pull out the ring handle 150.

5 and 6, in order to rotate the stud 130 only between the inclined surface 122 and the fixed surface 124, the first insertion hole of the first receptacle 110 ( A rotation limiting jaw 114 is formed inside the inner circumferential surface of the 112, and a protrusion 136 corresponding to the rotation limiting jaw 114 is formed on the outer circumferential surface of the stud 130.

That is, the protrusion 136 is caught by the rotational limiting jaw 114 so that the stud 130 rotates between angles at which the rotational limiting jaw 114 is formed.

At this time, it is preferable that the position where the rotation limiting locking step 114 is formed corresponds to the position of each end of the inclined surface 122 and the fixing surface 124. That is, when the stud 130 is rotated to one side end that is limited by the rotation limiting jaw 114, the protrusion 134 is located on any one of the inclined surface 122 and the fixed surface 124, When the stud 130 is rotated to the other end that is limited by the rotation limiting jaw 114 is the projection 134 is located on the other one of the inclined surface 122 and the fixed surface (124).

Accordingly, the protrusion 134 of the stud 130 may also rotate between the inclined surface 122 and the fixed surface 124, and the protrusion 134 of the stud 130 is positioned at the end of the inclined surface 122. When the stud 130 is removed from the second receptacle 120 may be removed.

Incidentally, reference numeral 170 denotes a retainer ring.

In addition, the first receptacle 110 is formed with a key 116 inserted into the surface of the object 180 to prevent the first receptacle 110 from being rotated by the rotational force of the stud 130. have.

On the other hand, the position where the fixing block 160 is formed is the ring handle 150 is rotated toward the object to be combined 180 when the projection 134 is located on the fixing surface 124 in the locked state. It is preferably formed in a position corresponding to the place.

Accordingly, as shown in FIGS. 9 to 11, the ring handle (not shown) is inserted into the second receptacle 120 while the stud 130 is closed while the binding object 180 is closed to the fixture 190. When the stud 130 is rotated by using the 150, the protrusion 134 of the stud 130 is moved from the inclined surface 122 to the fixed surface 124, thereby pulling the stud 130. The combined object 180 is also fixed while being pressed toward the fixture 190.

After completing the rotation of the stud 130, the ring handle 150 may be coupled to the fixed block 160 while rotating to the side to be joined 180.

In addition, when the fastener 100 is opened to open the object 180 from the fixture 190, the stud 130 is removed from the second receptacle 120 when the fastener 100 is operated in the reverse order. The fixing of the object 180 may be released.

As described above, the preferred embodiments of the present invention have been described, and the fact that the present invention can be embodied in other specific forms in addition to the above-described embodiments without departing from the spirit or scope thereof has ordinary skill in the art. It is obvious to them. Therefore, the above-described embodiments should be regarded as illustrative rather than restrictive, and thus, the present invention is not limited to the above description and may be modified within the scope of the appended claims and their equivalents.

100: fastener 110: first receptacle
112: first insertion hole 114: rotation limit locking jaw
116: key 120: second receptacle
122: inclined surface 124: fixed surface
126: groove 128: second insertion hole
130: stud 132: head
134: protrusion 136: protrusion
140: spring 150: ring handle
160: fixed block 170: retainer
180: blood binding material 182: receiving groove
190: fixture

Claims (7)

A first receptacle provided at the object to be joined and having a first insertion hole formed at an inner side thereof;
A second receptacle provided in a fixture to which the object to be joined is coupled, and having a second insertion hole formed in an inner side thereof and communicating with the first insertion hole, and having an inclined surface and a fixed surface continuously formed on at least a portion around a lower side thereof;
A head is formed at one end, a predetermined length is extended to the other side, and a protrusion is formed at the end thereof, and the protrusion is rotated after passing through the first insertion hole of the first receptacle and the second insertion hole of the second receptacle. A stud for pressing and holding the object to be fixed and the fixture while being moved along the inclined surface of the receptacle to a fixed surface;
A spring provided between the first receptacle and a stud to elastically support the stud from the first receptacle;
A ring handle bent in an annular shape so that a user can turn the stud by hand so that one end and the other end are rotatably coupled to the head of the stud;
A fixed block provided on the object to be fixed when the ring handle is rotated and folded toward the surface of the object to be elastically fixed to the annular ring handle;
Fasteners provided with a ring-shaped handle made of a.
delete The method of claim 1,
The fixed block,
Fastener with a ring-shaped handle, characterized in that the side cross-section facing the object to be formed is narrower than the side cross section opposite thereto. The method of claim 1,
A fastener with a ring-shaped handle, characterized in that the receiving groove is formed around the fixed block of the object to be received so that the ring handle is received without being projected out of the surface of the object to be joined when the ring handle portion is folded. The method of claim 1,
The ring handle,
A fastener provided with a ring-shaped handle, which is characterized in that it is bent to the fixed block side when rotated and folded to the surface of the object to be bonded. The method of claim 1,
A rotation limiting jaw is formed inside the first receptacle so that the stud rotates between the inclined surface and the fixing surface of the second receptacle, and the stud has a rotation range of the stud limited to between the rotation limiting jaw. Fasteners provided with a ring-shaped handle, characterized in that the projection is formed corresponding to the locking limit locking jaw. The method of claim 1,
The first receptacle is a fastener having a ring-shaped handle, characterized in that the key is inserted into the surface of the object to be joined so as not to rotate along the rotation of the stud.

Images