KR20170045034A

KR20170045034A - Mounting device

Info

Publication number: KR20170045034A
Application number: KR1020150144931A
Authority: KR
Inventors: 송동하
Original assignee: 스마클(주)
Priority date: 2015-10-16
Filing date: 2015-10-16
Publication date: 2017-04-26
Also published as: KR101753693B1

Abstract

The present invention relates to a fastening apparatus, comprising: a fastening unit which is a pipe-shaped structure body, which accommodates one or more balls to be able to protrude to the outside through an exposure hole, and in which the balls forms a flexible extension area when they protrude; and a fastening block which is a hollow structure body made of a plurality of steps with different diameters combined with the fastening unit through one hollow side which has a pin button which allows the balls protrude to an external side through the exposure hole or limits the balls protruding on the other side which elastically supports a combination and release of the fastening unit. The fastening unit and the fastening block are installed in a first structure body and a second structure body, which are pre-specified; and are separably combined with each other. The present invention is able to allow even the pulling of the pin button to release the combination of the first structure body and the second structure body, on which the fastening unit and the fastening block are installed; and despite its detachable structure, unlike the combination structure of a bolt and a nut, is able to prevent a release by vibration or impact. More specifically, the apparatus of the present invention may be used as a combination body for a safety guard or an auxiliary apparatus which is applied for a transport means for the elderly and the weak (for instance, a wheelchair, stroller, and car seat).

Description

Mounting device

The present invention relates to a fastening device and more particularly to a fastening device capable of releasing a coupling between a first structure and a second structure provided with a fastening portion and a fastening block by pulling only the pin button, Unlike the bolt-nut coupling structure, it is advantageous to prevent loosening due to vibration or impact. Especially, it is applied to a moving means for elderly people requiring frequent attachment and detachment (for example, wheelchair, stroller and car seat) And which can be used as a combination of a safety guard or its auxiliary device or a key lock.

In general, fastening devices are intended to enable stable engagement between structures.

Such a fastening device mainly uses a bolt-nut coupling structure, and various means (for example, a washer or a pin) are applied to prevent loosening.

As a conventional fastening device, a fastening device having a loosening preventing structure has been disclosed in Korean Patent Laid-Open No. 10-2004-0078783.

The fastening device includes a bolt having a plurality of grooves formed in the longitudinal direction of the body at predetermined intervals along an outer circumferential surface of the body, the body extending through the body to be engaged; A nut screwed to one end of the bolt body; And a loosening preventing ring mounted on the nut so as to be elastically brought into close contact with the nut and having one end housed in one of a plurality of grooves formed in the body of the bolt to prevent the nut from being loosened And the nut is released from the bolt by the shock or vibration applied to the fastening device by using the elastic force of the loosening preventing ring and the coupling force of the loosening preventing ring coupled to the groove formed in the body of the bolt The present invention has the object and effect of the present invention.

However, since the fastening device of the related art is prevented from being loosened, it is not easy to release it even though it is not a permanent coupling, and since it can not be released without a separate extension, a special tool is necessary for releasing it. .

In order to release the nut, it is necessary to perform the continuous rotation of the nut by using a dedicated tool (e.g., a spanner) so that the nut is separated, so force and skill are required. May not be possible.

Accordingly, the present invention can be applied not only to an excellent coupling force as a fastening device but also to a fastening member that can be easily fastened and disassembled, thereby being used as a substitute for a lock function of an existing key. Further, Research and development is urgent.

Korean Patent Publication No. 10-2004-0078783

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 fastening structure for fastening a first structure and a second structure, Device.

Another object of the present invention is to provide a safety device which can be applied to moving means (for example, a wheelchair) of a patient or an elderly person, because unlike a coupling structure of a bolt and a nut, Guards, and the like.

It is still another object of the present invention to provide a fastening device capable of not only joining structures but also separating them by pulling a pin button, thereby providing ease of use and eliminating the necessity of separately providing tools necessary for fastening and disengaging .

It is another object of the present invention to provide a fastening device which can be limitedly operated by an electric drive device such as a step motor or an electromagnet, and can thereby replace the anti-theft lock of a moving means such as a bicycle have.

In order to achieve the above-mentioned object, the present invention provides a tubular structure comprising: a fastening part accommodating therein at least one ball protruding outwardly through an exposing hole and forming a fluid expanding area when projected; And a hollow structure having a plurality of different diameters, wherein the coupling portion is coupled through a hollow side and the ball is led out to the outside through the exposure hole on the other side, or the protrusion is restricted, Wherein the fastening portion and the fastening block are installed on the first structure and the second structure and are detachably coupled to each other. .

The fastening part includes: a fastening pin fixedly installed on the first structure and having an opening hole for allowing the ball to be drawn out and drawn inward; And a ball cover which is coupled to the coupling pin to prevent the ball from coming off, and which has an exposing hole so that a part of the ball is exposed to the outside.

Wherein the fastening pin includes: a mounting portion fixed to the first structure; And a receiving portion having the opening hole formed on one side thereof and the receiving groove communicating with the opening hole on the other side and having a receiving groove for receiving one side of the pin button elastically.

Wherein the fastening block includes: a first receiving portion having a ring-shaped spacer for guiding the pulling-in of the fastening portion and limiting separation of the fastening portion in a fluidly expanded state; An operating portion having a diameter smaller than an inner diameter of the spacer and having the exposed hole when the fastening portion is engaged and protruding or restoring the ball from the exposed hole by the pin button; A locking jaw that restricts movement of the pin button; And a second accommodating portion provided with a cap for limiting the detachment of the pin button.

Wherein the pin button comprises a head which forms one side and elastically enters the receiving portion to allow the ball to protrude to the outside through the exposure hole; A supporting portion formed between both ends and abutting against the engaging jaws and supporting one surface of the elastic body; And a rod having an annular hole connected to an end of the pin button, wherein the elastic member is a coil spring having one end abutting against the support portion and the other end abutting against the inside of the inserting cap, It is desirable to allow elastic movement.

It is preferable that the pin button is operated elastically by an attractive force or connected to an electric driving device so as to be operated according to predetermined conditions so that engagement and disengagement of the fastening part and the fastening block can be limited.

It is preferable that the drive device is any one selected from a motor or an electromagnet and is operated under any one of the conditions selected from a fingerprint, a number, and a key so that the engagement and disengagement of the engagement portion and the engagement block are performed .

According to the embodiment of the present invention, it is possible to easily release the engagement of the first structure and the second structure provided with the fastening portion and the fastening block by simply pulling the pin button.

The present invention is not limited to a detachable coupling structure but unlike a coupling structure of a bolt and a nut, loosening due to vibration or impact is prevented, so that the safety guard applied to a moving means (e.g., a wheelchair) The effect can be expected.

The present invention can be used not only for ease of use but also for eliminating the necessity of providing a tool because it enables separation as well as coupling between structures by pulling the pin button.

The present invention can be limitedly operated by an electric drive device such as a step motor or an electromagnet, and the effect of replacing the lock for preventing theft of a moving means such as a bicycle can be expected through the pin button.

FIG. 1 is a perspective view illustrating a fastening device according to a preferred embodiment of the present invention, FIG.
FIG. 2 is a perspective view illustrating a ball pin according to a preferred embodiment of the present invention. FIG.
FIG. 3 is a perspective view illustrating a coupling block according to a preferred embodiment of the present invention. FIG.
FIG. 4 is a cross-sectional view illustrating a fastening device according to an embodiment of the present invention,
5 is a cross-sectional view illustrating a release state of a fastening device according to an embodiment of the present invention,
6 is a perspective view illustrating an example of application of a fastening device according to a preferred embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying 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 present invention, the defined terms are defined in consideration of the function of the present invention, and it can be changed according to the intention or custom of the technician working in the field, and the definition is based on the contents throughout this specification It should be reduced.

FIG. 1 is a perspective view illustrating a fastening apparatus according to a preferred embodiment of the present invention, FIG. 2 is an exploded perspective view illustrating a ball pin, and FIG. 3 is a perspective view illustrating a coupling block.

As shown in the drawing, the fastening device 100 not only provides convenient use of the fastening device 100 due to its easy disassembly, but also prevents the loosening due to vibration and shock, .

A tubular structure comprising: a fastening portion (110) having at least one ball (190) therein protruded outwardly through an exposing hole (123) and forming a fluid extended region when projected, The hollow structure is formed with the coupling part 110 coupled to the hollow part and the ball 190 to the outside through the exposure hole 123 at the other side, And a locking block 130 having a pin button 150 for resiliently supporting the engagement and disengagement of the lock pin 110.

Here, the fluid expansion means that the ball 190 protrudes outward from the coupling portion 110, and the projection of the ball 190 is performed by the elastic operation of the pin button 150. [

As shown in FIG. 2, the coupling unit 110 includes a coupling pin 111 having an opening hole 119 formed therein so that the ball 190 can be drawn out and inserted therein, and a ball 190 coupled to the coupling pin 111, And a ball cover 121 having an exposure hole 123 formed in a part thereof to be exposed to the outside.

As shown in FIG. 6, the fastening pin 111 has an installation part 113 fixed to the first structure 200, an opening 119 formed on one side, an opening 119 communicating with the opening 119 on the other side, And a receiving groove 117 into which one side of the button 150 is elastically received.

The opening hole 119 is a hole corresponding to the diameter of the ball 190 and is formed on both sides of the receiving portion 115 as shown.

This opening hole 119 is for allowing free entry and exit of the ball 190 and forms a fluid extended region when it is drawn out, that is, when it protrudes to both sides of the receiving portion 115. At this time, the ball 190 is prevented from being separated by the ball cover 121.

The ball cover 121 is coupled to the receiving portion 115 of the fastening pin 111 through the fastening member 130 and has an exposing hole 123 having a diameter smaller than that of the ball 190 on one surface corresponding to the opening hole 119 Is formed.

The exposure hole 123 is a hole that is slightly smaller than the diameter of the ball 190 so that only a part of the ball 190 can be exposed.

When the pin button 150 is inserted into the receiving groove 117, the receiving groove 117 is communicated with the opening hole 119, and when the pin button 150 is inserted into the receiving groove 117, 190 protrude outward in a range where they are pushed to both sides and do not separate through the exposing hole 123.

As shown in FIG. 3, the fastening block 130 includes a spacer 140 for guiding the pulling of the fastening part 110 and limiting the detachment of the fastening part 110 in a fluidly expanded state, And the ball 190 is protruded outward from the exposure hole 123 by the pin button 150 and restored by the pin button 150 when the fastening part 131 and the fastening part 110 are engaged with each other, A latching protrusion 135 for restricting the movement of the operating part 133 and the pin button 150 and a second accommodating part 137 for restricting the detachment of the pin button 150 and provided with a cap 180 for supporting the elastic body, .

The spacer 140 is preferably a ring structure having a thread formed on the outer periphery thereof and threaded with the first accommodating portion 131. The inner periphery of the spacer 140 is preferably taped to facilitate entry of the engaging portion 110, FILLET or CHAMFER is preferably machined.

Here, the fillet and the chamfer not only provide burr removal but also smoothness of assembly, and in particular, to enable a smooth sunrise of the fastening part 110. That is, since the ball 190 protruding from the exposure hole 123 is guided inward, the coupling part 110 can be smoothly moved in and out.

The spacer 140 has a diameter that is smaller than the diameter of the actuating part 133 but has a diameter smaller than that of the actuating part 133 so that the engagement and disengagement of the coupling part 110, .

The cap 180 is threaded on the outer periphery of the cap 180 and is screwed to the second receiving portion 137. A puncture 181 through which the other side of the pin button 150 passes is formed.

The cap 180 exists as a support for supporting the elastic member 170 and the release of the pin button 150. The cap 180 supports the elastic member 170 to allow elastic movement of the pin button 150. [

The actuating part 133 is smaller in diameter than the first accommodating part 131 and has a diameter corresponding to a fluidly expanded state of the engaging part 110 (a state in which the ball protrudes outside the engaging part).

The engaging jaw 135 is a protruding region for restricting the movement of the pin button 150 and is formed smaller in diameter than the actuating portion 133.

It is preferable that the moving part 139 is a region where the pin button 150 moves and has a larger diameter than the engaging jaw 135 and a diameter equal to or slightly larger than the diameter of the supporting part 153 of the pin button 150 .

The pin button 150 is for resiliently maintaining the engagement state of the coupling part 110 and the coupling block 130, or releasing the coupling.

The pin button 150 includes a head 151 to be inserted into the receiving groove 117 and a rod 155 formed between the both ends to form a hook hole 157 for connecting the hook 153 and the hook 160 .

The head 151 is formed at one side of the pin button 150 and may have a diameter equal to or slightly smaller than a diameter corresponding to the receiving recess 117. The end of the ball 190 may be curved It consists of slope.

The supporting portion 153 is formed to have a diameter larger than that of the head 151 so that one side supports one side of the elastic body 170 and the other side abuts against the engaging jaw 135 to limit the movement of the pin button 150 .

The rod 155 has a smaller diameter than the head 151 and the support 153. The end of the rod 155 having the hole 157 as shown in Figure 1 passes through the hole 181 of the cap 180, Lt; / RTI >

The annular hole 157 is a hole to which the annulus 160 is connected, so that the area exposed to the outside through the perforation 181 is minimized. That is, it is possible to minimize the portion exposed to the outside through the perforations 181, and to facilitate the operation (pulling) of the pin button by connecting the ring 160.

The elastic body 170 is provided between the support portion 153 and the cap 180 to elastically support the pin button 150 to facilitate the engagement and disengagement of the coupling portion 110 and the coupling block 130, 4 and 5, the reference numerals are omitted in the drawings, and the reference numerals will be described with reference to Figs. 1 to 3. Fig.

4 is a cross-sectional view illustrating a fastening device according to an embodiment of the present invention.

As shown in the drawing, the coupling device can easily perform the coupling of the coupling part 110 and the coupling block 130 by the elastic movement of the elastic body 170. Hereinafter, with reference to FIGS. 4A to 4C showing the dividing operation Explain it.

4A shows a state before the coupling part 110 and the coupling block 130 are coupled to each other. At this time, the coupling part 110 is preferably in a non-expanded state, The head 151 is in a state in which it is in contact with the jaw 135 and is resiliently projected.

In this state, the coupling part 110 and the coupling block 130 can not be coupled. Since the head 151 is elastically protruded, when the coupling part 110 is engaged, the head 151 is inserted into the receiving groove 117, and the ball 190 is pushed to the both sides and the coupling part 110 And the friction with the spacer 140 occurs.

4B, after the hook 151 is pulled out of the receiving groove 117, the connecting part 110 is moved in the direction of the arrow A so that the ball 190 is positioned at the operating part 133 And is seated in the fastening block 130.

Then, as shown in FIG. 4C, the ring 160 is released to allow the head 151 to be elastically inserted into the receiving groove 117 by the restoring force of the elastic body 170. As the head 151 is inserted into the receiving groove 117, the ball 190 is pushed to both sides to form a fluidly expanded state of the coupling part 110 and the coupled state of the coupling part 110 and the coupling block 130 .

When the engaging portion 110 and the engaging block 130 are disengaged from each other, the engaging operation proceeds in the reverse order of the engaging portion 110. The description will be made with reference to FIG.

5 is a cross-sectional view illustrating a release state of a fastening device according to an embodiment of the present invention.

5A shows a state in which the fastening part and the fastening block 130 are engaged. 5B, the head 151 is disengaged from the receiving groove 117 and the ball 190 is accommodated in the inner space (the opening hole and the receiving groove) of the coupling part 110, The fluidly expanded state of the portion 110 is released.

Thereafter, as shown in FIG. 5C, the coupling part 110 and the coupling block 130 are separated from each other, and the loop 160 is released.

As described above, the fastening device 100 of the present invention can easily perform the engagement and disengagement of the fastening part 110 and the fastening block 130 only by the movement of the pin button 150, that is, the pulling and holding of the hook 160 When the fastening part 110 is installed on the first structure 200 and the fastening block 130 is installed on the second structure 210 as shown in FIG. 6, The coupling between the first structure 200 and the second structure 210 provided with the coupling part 110 and the coupling block 130 can be easily released only by pulling operation and no separate tool is required, .

In addition, despite the detachable coupling structure, since it is prevented from loosening due to vibration or impact, there is an advantage that it can be used as a combined body of a safety guard or an auxiliary device applied to the means for moving the elderly.

On the other hand, the pin button 150 may be operated in accordance with predetermined conditions in connection with the electric driving device, as well as being operated solely by the attraction force.

The electric driving device may be any one selected from a general motor (step motor) or an electromagnet. The electric driving device may be operated by any one of a fingerprint, a number and a key to be fastened to the fastening part 110 The combination and disengagement of the block 130 may be selectively performed.

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 exemplary embodiments. 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.

100: fastening device 110: fastening part
111: fastening pin 113:
115: accommodating portion 117: accommodating groove
119: Opening hole 121: Ball cover
123: Exposed hole 125: Fastening member
130: fastening block 131: first receiving portion
133: Operation part 135:
137: second accommodating portion 139:
140: spacer 150: pin button
151: head 153:
155: rod 157: collar hole
160: ring 170: elastomer
180: Cap 181: Perforated
190: Ball 200: First structure
210: second structure

Claims

A tubular structure, comprising: a fastening portion, wherein at least one ball is housed in such a manner that at least one ball is projected outwardly through an exposing hole and forms a fluid expanding region when projected; And
A hollow structure formed into a plurality of steps of different diameters, wherein the fastening portion is coupled through a hollow side and the ball is led out to the outside through the exposure hole on the other side, or the projection is restricted, And a fastening block to which a pin button for supporting elasticity is installed,
Wherein the fastening portion and the fastening block are installed on the first structural body and the second structural body specified in advance, and are detachably coupled to each other.

The method according to claim 1,
The fastening portion
A fastening pin fixedly installed on the first structure and having an opening hole for allowing the ball to be drawn and drawn therein; And
And a ball cover coupled to the fastening pin to prevent the ball from coming off but having an exposing hole so that a part thereof is exposed to the outside.

3. The method of claim 2,
The fastening pin
A mounting part fixed to the first structure; And
And a receiving portion having the opening hole formed on one side thereof and the receiving groove communicating with the opening hole on the other side and provided with a receiving groove for receiving one side of the pin button elastically.

4. The method according to any one of claims 1 to 3,
The fastening block includes:
A first receiving portion in which a ring-shaped spacer is provided for guiding the pull-in of the fastening portion and limiting separation of the fastening portion in a fluidly expanded state;
An operating portion having a diameter smaller than an inner diameter of the spacer and having the exposed hole when the fastening portion is engaged and protruding or restoring the ball from the exposed hole by the pin button;
A locking jaw that restricts movement of the pin button; And
And a second accommodating portion provided with a cap for restricting disengagement of the pin button.

5. The method of claim 4,
The pin-
A head which elastically enters the receiving portion and protrudes outward through the exposing hole;
A supporting portion formed between both ends and abutting against the engaging jaws and supporting one surface of the elastic body; And
And a rod having an annular hole for connecting a ring to the end of the rod,
Wherein the elastic member is a coil spring, one end thereof abuts against the support portion, and the other end abuts against the inside of the swaging cap, thereby enabling the elastic movement of the pin button.

6. The method of claim 5,
The pin-
Wherein the engaging portion and the engaging portion are elastically operated by an attractive force or connected to the electric driving device so that they can be operated according to predetermined conditions so that engagement and disengagement of the engaging portion and the engaging block are limited.

The method of claim 6,
The driving device includes:
Wherein the engaging portion is operated by any one of a fingerprint, a number, and a key so as to engage and disengage the engaging portion with the engaging block.