KR20130049646A - Locking apparatus of side rail for a bed - Google Patents

Abstract

PURPOSE: A locking apparatus for a side rail for a bed is provided to ensure simple manipulation with one hand, to minimize exposed part, and to reduce mal-operation. CONSTITUTION: A locking apparatus for a side rail for a bed comprises: a pair of vertical supports(110) which is hinge-coupled at a side frame of a bed main body by a rotation device to rotate the lower portion; a plurality of horizontal supports(120) of which both ends are hinge-coupled to the vertical supports and which is separately and vertically placed with respect to the vertical supports; a handle body(200) which is connected to the one side end portion of the top horizontal support; a locking piece(300) which is coupled at the upper end portion of the vertical support of one side among the vertical supports; and a locking device which locks and unlocks the coupling of the handle body and the locking piece.

Description

LOCKING APPARATUS OF SIDE RAIL FOR A BED}

The present invention relates to a locking device for a side rail for a bed, and in particular, by adopting a button-type locking structure for the locking structure of the side rails installed on both sides of a medical bed, the locking / unlocking operation is easily performed while preventing misoperation. The present invention relates to a locking device for a side rail for a bed whose structure is improved to maintain a locked state.

In general, both sides of the bed body of the medical bed is provided with side rails to protect the side of the patient.

These side rails should normally be kept upright to protect the patient by preventing the patient from escaping, but when the patient with discomfort moves from the medical bed to another place or from another place to the medical bed, the side rail The height should be adjusted so as not to get caught.

To this end, many conventional medical beds are configured such that the side rails are inclined toward the bed main body and folded to the bed main body, and a publication of Korean Utility Model No. 0201233 discloses a representative example of such a medical bed.

In the conventional medical bed as disclosed in the above publication, the side rails include a plurality of vertical supports disposed to be spaced apart from each other by a predetermined interval, and one horizontal support provided to connect the upper ends of the plurality of vertical supports, each vertical support The lower end is hinged rotatably with respect to the bed body, and the upper end of each vertical support is hinged rotatably with respect to the transverse support.

And the side rail should be folded to the bed main body only in a special state, such as moving the patient while maintaining the standing state in the usual way, so that the side rail in the collapsible state is fixed in the standing state or fixed in the standing state. A locking device for releasing the fixing of the side rails is provided so that the side rails become collapsible.

The locking device is provided between the upper end and the horizontal support of one side of the vertical support, such a locking device is formed on the upper side of the upper side of the vertical support so that the locking hole is formed first, and the lower side of the horizontal support so that the locking pin is installed It is provided with a locking pin mounting portion provided. The locking hole forming portion and the locking pin mounting portion is generally manufactured by injection molding, and the locking pin is installed on the locking pin mounting portion in a state connected to the lever.

The locking pin is formed so that the other end protrudes into the lower portion of the communication hole formed at the lower end of the lever while the one end is elastically supported by the spring, and the lever is installed to be movable upward to press the spring and lift the locking pin upward. .

Therefore, in the conventional medical bed, the side rail is maintained in a standing state while the locking pin is inserted into the locking hole, and in this state, the lever is lifted to the upper side so that the locking pin is separated from the locking hole. The support is foldable to the side of the bed body to lie on its side.

However, such a conventional medical bed has a problem that it is difficult to change the posture of the side rail while the locking device is easily broken for the following reason.

That is, when a patient lying in a medical bed occurs, the patient usually raises the body while holding the side rail, and when the patient is moved while lying in the medical bed, the guardian or the medical staff often hold the side rail and hold the medical bed. When pushed, the conventional side rail locking device of the medical bed is a protruding lever-type operation method, there is a risk of misoperation, and may be easily broken.

In addition, since the side rail must be operated at the same time as operating the lever protruding to the outside, the operation is difficult.

The present invention has been made in view of the above-mentioned problems, and an object thereof is to provide a locking device for a bed side rail having an improved structure so that the operation is simple and the risk of breakage and misoperation can be reduced. .

The present invention for achieving the above object is a pair of longitudinal supports hinged to the lower side is rotated to the side frame of the bed body via a rotating means and disposed in spaced apart from each other,

A plurality of horizontal supports having both ends hinged to the vertical supports and disposed vertically spaced apart from each other;

A handle body connected to one end of the horizontal support at the top of the horizontal support;

Locking port coupled to the upper end of the one side of the vertical support of the vertical support,

It is disposed between the handle body and the locking mechanism, characterized in that it comprises a locking means for locking / unlocking the coupled state of the handle body and the locking mechanism according to the pressing operation of the button.

 The rotating means is coupled to the side frame of the bed body and the supporter rail having an arc-shaped rotation path,

And a rotating piece having guide pins respectively coupled to end portions of the longitudinal supports and inserted into the rotation path to rotate.

 The locking means is formed in each of the locking sphere and the handle body and the through hole formed in each of the long groove in the longitudinal direction around the rim,

A locking pin having one end coupled to penetrate in one direction of the through hole and having a fitting portion protruding in a shape corresponding to the long groove on an outer circumferential surface thereof;

A button coupled to the locking pin in the other direction of the through hole and interlocked with the locking pin and releasing the locking engagement state of the locking pin according to a pressing operation;

A spring member is interposed between the locking pin and the button to impart a restoring force to the locking pin and the button.

 The locking means further includes a coupling piece symmetrically formed on both sides so that the end of the handle body is fitted to the end of the locking tool, and a bearing member interposed between the coupling piece of the locking tool and the end of the handle body.

First, by adopting a button-type locking structure, it is easy to operate with one hand, and has a useful effect of minimizing the exposed portion to reduce the risk of misoperation.

Second, by having a locking structure in which the fitting portion of the locking pin is fitted so as to interfere with the long groove of the through-hole, it has the advantage of maintaining a locked state firmly.

Third, since the coupling portion of the handle body is inserted to be inserted between the coupling pieces of the locking mechanism and the locking pin and the button are locked to the connection portion, there is an advantage in that the connection portion can be compactly connected without an external protrusion. .

1 is a perspective view showing a locking device of the side rail for a bed according to the present invention.
Figure 2 is an exploded perspective view of the locking means of the present invention.
Figure 3 is a perspective view of the locking means of the present invention from another angle.
Figure 4 is a perspective view of the bed applied to the locking device of the present invention side rail.
Figure 5a, 5b is a partially cut perspective view showing the locking / unlocking state of the locking pin and the button of the present invention, respectively.
Figure 6a, 6b is a use state diagram showing a standing / folded state of the side rail of the present invention.

The present invention improves the standing / folding operation of the side rail of a medical bed used in a place such as a hospital with a button-type locking structure, thereby minimizing the exposed portion to prevent misoperation and reducing the risk of damage. It would be.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

When the locking device of the side rail for bed according to the present invention will be described with reference to FIGS. Side rail 100 consisting of the 110 and the horizontal support 120, the vertical support 110 and the horizontal support of the side rail 100 of the locking support 300 and the handle body on one side of the upper 120 200 is disposed is roughly divided into the locking means for locking the combination of the button-type locking structure.

In more detail, the side rails 100 are hinged to the lower side of the bed frame 10 by the rotating means to the side frame 12 of the bed body 10 and a pair of longitudinal supports 110 are disposed at a spaced apart position from each other; Both ends are hinged to connect the vertical supports 110 and are disposed at an angle parallel to the bed main body 10 and are composed of a plurality of horizontal supports 120 disposed to be vertically spaced apart from each other.

Rotating means is a hinge bolt 115, one end is coupled to the lower end of the vertical support 110 is fastened to the side frame 12 of the bed body 10 and the other end is fitted to the end of the vertical support 110, A rotating piece 130 interposed so as to be sandwiched between the other end of the hinge bolt 115 and the lower end of the vertical support 110 and coupled with the guide pin 135 at one end thereof, and the side frame 12 of the bed body 10. It is composed of a supporter rail (50) having a circular arc of rotation path 52 coupled to the guide pin (135) is slidably movable.

That is, the rotation means is rotated during the folding / standing operation of the side rail 100 by inserting the guide pin 135 of the rotating piece 130 in the rotation path 52 of the supporter rail 50 fixed to the bed main body 10 In addition to guiding the movement, it performs a stopper function for the rotational movement.

Handle body 200 is connected to one end of the horizontal support 120 of the uppermost of the horizontal support 120, the locking port 300 is coupled to the upper end of the vertical support 110 of one side handle body 200 ) And the locking tool 300 has a coupling structure that is locked / unlocked through the locking means.

The locking means are formed in the locking port 300 and the handle body 200, respectively, the through-holes 212, 312 and the long grooves (212a, 312a) are formed in the longitudinal direction around the rim, respectively, one end is A locking pin 420 coupled to the through hole 212 and 312 by sliding in one direction, and having a fitting portion 425 protruding in a shape corresponding to the long grooves 212a and 312a on an outer circumferential surface thereof; The button 410 and the locking pin 420 and the button 410 for releasing the locking engagement state of the locking pin 420 in accordance with the pressing operation is coupled to the other side of the through-holes (212, 312) Interposed between the locking pin 420 to impart a tensile restoring force and the button 410 is composed of a spring member 430 to give an elastic restoring force.

The locking pin 420 is coupled to the pin body 422 formed with the fitting portion 425 on the outer circumferential surface so as to be rotatable in the pin body 422 and integrally coupled to the button 410 via a connector. 424.

The connector 450 has a hollow 452 with a thread formed on its inner circumferential surface so that the pin member 424 is inserted and fastened, and a ratchet portion 454 is formed on the outer circumferential surface for engagement when fitting with the button 410. .

The button 410 has a coupling structure that is fastened to the end of the pin member 424 of the locking pin 420 via the connector 450, which causes the button 410 and the locking pin 420 to be integrated and interlocked with each other. Has a structure.

That is, the locking pin 420 is interlocked by the pressing operation of the button 410 and has an interlocking structure that is mounted to the outside of the through parts 212 and 312.

In addition, the locking means is formed at the end of the locking mechanism 300, the coupling pieces 310 are symmetrical to each other on both sides so that the end of the handle body 200 is fitted, the coupling pieces 310 of the locking mechanism 300 And interposed between the end of the handle body 200 and further comprises a bearing member 440 for minimizing frictional resistance during rotation.

The handle body 200 has a structure in which a coupling part 210 coupled to be inserted between the coupling pieces 310 is formed at an end thereof, and a through hole 212 is formed at the center of the coupling part 210.

Due to this, the handle body 200 has a structure in which the handle body 200 is compactly connected without protruding to the outside at the time of coupling with the locking mechanism 300.

The operation of the present invention having such a configuration will now be described.

The locking device for a side rail for a bed according to the present invention has an operation process of standing or folding after the side rails 100 are assembled to the side of the bed main body 10, respectively.

First, when standing, the horizontal supporters 120 maintain a horizontal state so as to correspond to the bed body 10, and the vertical supporter 110 is positioned substantially perpendicular to the bed body 10.

At this time, the pin member 424 of the locking pin 420 is coupled so that one end penetrates the through hole 212, 312 of the locking mechanism 300 and the handle body 200, the one end coupled to the connector 450 It is assembled to be interlocked integrally coupled to the button 410 via the.

In addition, the fitting portion 425 of the pin body 422 is fitted into the long grooves 212a and 312a of the through holes 212 and 312 so that the locking mechanism 300 and the handle body 200 are fixed by mutual interference. The locking is maintained.

When the side rail 100 is folded later, when the handle body 200 is gripped while pressing the button 410 and pulled in the right direction in FIG. 6B, the locking engagement state of the locking pin 420 is released. In addition, the side rail 100 has a folding process to rotate along the rotation path 52 with respect to the hinge bolt (115).

In the unlocking process of the locking pin 420, as the spring member 430 is contracted by the pressing operation of the button 410 located on the outside, the locking pin 420 integrated with the button 410 is slid to the inside. As the locking pin 420 is slidably moved, the fitting portion 425 of the locking pin 420 is separated from the long grooves 212a and 312a to release the locking state.

As the locking state between the handle body 200 and the locking port 300 is released, the rotation of the side rail 100 consisting of the horizontal support 120 and the vertical support 110 is rotatable through the rotation means, thereby making the bed body The folding operation is performed on the (10) side.

At this time, the rotation operation of the side rail 100 is rotated in the right direction in Figure 6b because the connecting portion of the horizontal support 120 and the vertical support 110 is rotatably coupled to the hinge, the vertical support 110 As described above, the guide pin 135 slides along the rotation path 52 based on the hinge bolt 115 to guide the rotation operation of the side rail 100 as described above.

The folding operation is performed while the locking state between the locking mechanism 300 and the handle body 200 is released by the pressing operation of the button 410, and after the release of the pressing state of the button 410, the spring member ( By the restoring force of the 430, the button 410 is raised and retracted outward and the locking pin 420 is returned to its original position as the button 410 is moved outward to maintain the locked state.

Therefore, the operation for standing the side rail 100 again, if the side rail 100 is rotated in the opposite direction to the progress direction of the clock hands after holding the handle body 200 while pressing the button 410, The guide pin 135 slides along the arc-shaped rotation path 52 to guide the rotation operation of the side rails 100, and the vertical supports 110 of the side rails 100 have a bed body 10. The horizontal supporters 120 are arranged in the horizontal direction while maintaining the standing position with respect to.

Subsequently, when releasing the pressed state of the button 410, the button 410 is released to the outside again by the restoring force of the spring member 430 was contracted, and the locking pin 420 of the spring member 430 The sliding portion is returned to its original position by the restoring force, which causes the fitting portion 425 to be fitted into the long grooves 212a and 312a of the through holes 212 and 312 so as to maintain a locked state.

Thus, the locking device of the present invention, the locking / unlocking state is variable according to the movement of the locking pin 420 interlocked with the button 410, the handle body with the other finger while pressing the button 410 with one finger Since the operation can be performed while holding the 200, the operation can be performed with only one hand, and the convenience of the operation is increased, and there is an advantage of reducing the risk of misoperation.

Embodiments of the present invention described as described above can be modified as many as possible without departing from the spirit and spirit of the present invention.

Description of the Related Art [0002]
10: bed body 12: side frame
50: supporter rail 52: rotation path
100: side rail 110: vertical support
115: hinge bolt 120: horizontal support
130: rotating piece 135: guide pin
200: handle body 210: coupling portion
212: through hole 300 of the locking body
310: coupling piece 312: through hole (of the locking mechanism)
212a, 312a: Long groove 410: button
420: locking pin 422: pin body
424: pin member 425: fitting
430: spring member 440: bearing member
450: connector 452: hollow
454: Ratchet

Claims (4)

A pair of longitudinal supports 110 hinged to the side frame 12 of the bed main body 10 so as to be rotated by a rotating means and spaced apart from each other;
A plurality of horizontal supporters 120 having both ends hinged to the vertical supports and spaced apart from each other vertically;
A handle body 200 connected to one end of the horizontal support 120 at the top of the horizontal support 120;
Locking tool 300 and coupled to the upper end of the one side of the vertical support 110 of the vertical support (110),
It is disposed between the handle body 200 and the locking port 300 and has a locking means for locking / unlocking the coupled state of the handle body 200 and the locking port 300 according to the pressing operation of the button 410. Locking device of the side rail for the bed, characterized in that. The method of claim 1, wherein the rotating means is coupled to the side frame 12 of the bed body 10 and the supporter rail 50 having an arc-shaped rotation path 52,
Locking device of the side rail for the bed characterized in that it is provided with a rotating piece (130) having a guide pin (135) which is respectively coupled to the end of the vertical support (110) and inserted into the rotation path (52) to rotate. The method of claim 1 or claim 2, wherein the locking means are formed in the locking hole 300 and the handle body 200, respectively, the through hole 212 formed in each of the long grooves (212a, 312a) in the longitudinal direction around the rim (312),
A locking pin 420 having one end coupled to penetrate in one direction of the through parts 212 and 312 and having a fitting portion 425 protruding to correspond to the long grooves 212 a and 312 a on an outer circumferential surface thereof; ,
A button 410 coupled to the locking pin 420 in the other direction of the through parts 212 and 312 and releasing the locking engagement state of the locking pin 420 according to a pressing operation;
And a spring member (430) interposed between the locking pin (420) and the button (410) to impart a restoring force to the locking pin (420) and the button (410). The method of claim 3, wherein the locking means and the engaging piece 310 formed symmetrically with each other on both sides so that the end of the handle body 200 is fitted to the end of the locking port 300,
Locking device of the side rail for the bed characterized in that it further comprises a bearing member 440 interposed between the engaging piece 310 of the locking port 300 and the end of the handle body (200).

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