KR100962468B1 - A locking device of side rail for hospital bed - Google Patents

Abstract

The present invention and the bed body; The vertical support is erected by having a horizontal support provided on the bed body in parallel with the bed body, one end is hinged to the bed body side and the other end is provided with a plurality of vertical support hinged to the horizontal support side A side rail provided to be folded about the bed main body so as to be in a collapsed state; And a locking device provided to fix the side rails in a standing state of the vertical supporter or to release the side rails in a standing state of the vertical supporter. The device is provided with a locking pin provided to be coupled to the upper one of the vertical support so that the upper end can enter the horizontal support, and the restraining member installed inside the horizontal support having a locking hole for restraining the upper end of the locking pin. It is configured to include.

Description

Siderail Locks for Medical Beds {A LOCKING DEVICE OF SIDE RAIL FOR HOSPITAL BED}

The present invention relates to a side rail locking device for a medical bed, and more particularly, to a side rail locking device for fixing a side rail in a standing position in a medical bed provided to be folded side rail.

In general, both sides of the bed body of the medical bed is installed so that the side rail for protecting the side of the patient.

These side rails should be kept in place to protect the patient by preventing the departure of the patient in normal times, but when moving the inconvenient patient from the medical bed to another place or from another place to the medical bed, The position must be shifted from the standing state to another state 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.

In addition, the side rails should be folded into the bed body only in a special state, such as moving a patient while keeping the standing state normally, so that the side rails that are in the collapsible state can be fixed in a standing state or in a 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 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 pins are formed such 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. .

Therefore, such a conventional medical bed is to maintain the state in which the side rail is installed in the state that the locking pin is inserted into the locking hole, in this state by lifting the lever to the upper to release the locking pin from the locking hole The transverse support can be folded toward the bed body so that it lies 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 picks up and raises the side rail, and when the patient is moved while lying in the medical bed, the guardian or medical staff often pushes the medical bed and pushes the medical bed. However, in the case of the conventional side rail locking device of the medical bed, there is no particular problem in the folding operation of the side rail itself, but there is a problem that the locking device is easily broken when the side rail is held in the folding direction opposite to the rigidity.

In addition, in such a conventional locking device, the locking pin is usually made of a metal material, and the locking hole forming portion or the locking pin supporting portion and the locking pin mounting portion on which the locking hole is formed are generally provided as an injection molded material, the locking pin of the metallic material. When the side rail is applied in the lateral direction while being caught in the latching hole, the catching hole forming portion or catching pin installation portion of the plastic injection molding material, which is relatively harder than metal, may be easily damaged.

In the case of the locking device, the locking pin mounting portion for accommodating the locking pin protrudes downward from the horizontal support, so that the lower end of the locking pin mounting portion is supported by the bed body while the side rail is folded toward the bed body. Since the clearance between the horizontal support of the side rail and the bed body in the state is large, there was a limit to the folding so as to be in close contact with the bed body of the side rail.

In addition, in the state in which the locking device is exposed to the outside as the user's fingers are caught between the engaging hole forming portion and the engaging pin installation portion during the folding operation of the side rail, the user may be injured.

The present invention is to solve this problem, the object of the present invention is to fix the posture of the side rail or side rail of the medical bed is provided to effectively prevent the locking device provided to allow the posture change of the side rail is damaged To provide a lock.

Still another object of the present invention is to provide a side rail locking device for a medical bed provided to allow the side rail folded toward the bed main body to be in close contact with the bed main body and to prevent injury to the user.

To this end, the present invention and the bed body; The vertical support is erected by having a horizontal support provided on the bed body in parallel with the bed body, one end is hinged to the bed body side and the other end is provided with a plurality of vertical support hinged to the horizontal support side A side rail provided to be folded about the bed main body so as to be in a collapsed state; And a locking device provided to fix the side rails in a standing state of the vertical supporter or to release the side rails in a standing state of the vertical supporter. The device is provided with a locking pin provided to be coupled to the upper one of the vertical support so that the upper end can enter the horizontal support, and the restraining member installed inside the horizontal support having a locking hole for restraining the upper end of the locking pin. Characterized in that it comprises a.

The vertical support, the locking pin and the locking hole are provided to be positioned on the same axis in a state in which the locking pin is restrained by the locking hole.

In addition, the vertical support is formed in a hollow, the locking pin is characterized in that the lower end is provided to be fixed to the vertical support in the state inserted into the upper vertical support.

In addition, the locking pin is characterized in that fixed to the vertical support via a hinge pin for hinge coupling the upper end of the vertical support to the horizontal support.

In addition, the restraining member is provided with an elastically deformable metal spring plate is installed in the longitudinal direction of the horizontal support in the horizontal support, the engaging hole is formed at one end of the restraining member, the locking device of the restraining member It characterized in that it further comprises a lever provided to push up one end of the restraining member on one side of the locking hole to elastically deform one end to the upper side to release the restraint of the locking hole with respect to the locking pin.

In addition, it characterized in that it further comprises an elastic member in the form of a spring spring installed between one end of the restraining member and the upper inner wall of the horizontal support.

In addition, an entrance hole is formed at the lower end of the horizontal support so that an upper end of the locking pin enters into the horizontal support, and the access hole is formed so that the locking pin is prevented from being caught in the access hole when the vertical support is laid down. Characterized in that provided.

As described above, the medical bed according to the present invention is a side rail of the side rail in a state in which the locking pin of the locking device provided to fix the side rail in the standing state or to allow the posture change of the fixed side rail is confined to the engaging hole. The vertical support, the locking pin and the locking hole are located on the same axis. Therefore, the locking device of the medical bed according to the present invention, even when a force is applied from the upper side to the lower side of the side rail fixed in the standing state so that such a load is transmitted to the vertical support without being concentrated on the locking hole and the locking pin As a result, damage to the catching hole or the catch pin can be suppressed.

In addition, in the present invention, the locking pin and the restraining member are all provided with a metal material, so that the locking device is engaged with the locking pin even when a force is applied in the lateral direction toward the locking pin while the locking pin is restrained by the locking hole. This will prevent one side of the ball from breaking easily.

 In addition, when the locking pin of the locking device is fixed to the upper end of the vertical support as in the present invention and the restraining member having the locking hole is positioned inside the horizontal support, the side rail is folded between the horizontal support and the bed main body in a state where it is folded toward the bed main body. Since the play is made small, the side rails can be folded in a state in which the side rails are closer to the bed main body, thereby minimizing the excessive protruding of the side rails from the top of the bed main body.

In addition, if the side rail locking device is provided so as not to be exposed to the outside as in the present invention, the user is not injured by the locking device during the folding operation of the side rail.

Next will be described in detail the structure of the medical bed according to an embodiment of the present invention.

As shown in FIG. 1, the medical bed according to the present embodiment includes a bed body 10, and the bed body 10 may be provided in a frame shape.

A support leg 11 is installed at the lower end of each corner of the bed body 10, and a wheel 12 used to move the bed is installed at the lower end of the support leg 11.

And the upper portion of the bed body 10 is provided with a plurality of inclination control plate 20 provided to raise or lower the specific body part of the patient, the inclination control plate 20 is inclined to be installed on the lower portion of the bed body 10 The inclination is adjusted through the adjusting device 21.

Meanwhile, in order to prevent the patient from falling down from the bed body 10, the guard 13 is installed in the head body and the leg side of the patient in the bed body 10, and the left and right sides of the bed body 10 Side rails 30 for protecting the side are installed to be installed.

The dual side rails 30 are usually kept in a standing state to protect the patient by preventing the departure of the patient, in the state that the side rail 30 is moved or moved the patient inconvenient from the medical bed When moving from one place to the medical bed there is a risk that the patient on the move to this side rail (30). Therefore, the side rails 30 are provided to be foldable with respect to the bed main body 10 so that the posture can be switched back to the folded state in the folded state to the bed main body 10 and folded in the bed main body 10 in a standing state. Prepared.

2 and 3 together, the side rail 30 is a hollow horizontal support 31 is installed on the bed body 10 in parallel with the bed body 10, one end is the bed body (10) It is hinged to the side) and the other end is also formed in a hollow to be hinged to the horizontal support (31) side is provided with a plurality of vertical support (32, 33).

The horizontal support 31 and the vertical support (32, 33) is provided in the form of a hollow pipe made of a metal material, the vertical support (32, respectively) on the lower end of the horizontal support (31) and the upper end of both sides of the bed body (10) Upper and lower hinge brackets 34 and 35 in which the fastening holes 36 are formed to be hinged with the upper and lower parts of the upper part 33 are installed. However, the locking bracket 50 is provided instead of the upper hinge bracket 34 at the lower side of the horizontal support 31 on one side of the vertical support 33 to install the locking device 40 to be described later. Also fastening hole 36 is formed. The upper and lower brackets 34 and 35 and the locking bracket 50 are made of metal, and are fixed to the horizontal support 31 and the bed body 10 through the fastening member 100, respectively.

And the hinge hole 37 is formed in the upper end and the lower end of the vertical support 32, respectively, each vertical support 32 is formed of each of the hinge hole 37 and the corresponding brackets (34, 35, 50) Through the hinge pin 38 is fastened to the fastening hole 36, the upper side is hinged to the horizontal support 31 and the lower side is hinged to the bed body (10).

For reference, reference numeral 39a is a cover provided to cover the fastening holes 36 of the upper and lower brackets 34 and 35 and the locking bracket 50, and another reference numeral 39b is provided to block one end of the horizontal support. It is a stopper.

In addition, the side rail 30 is fixed to the side rail 30 in a collapsible state to maintain a standing state, or the side rail 30 is fixed in a standing state so that the side rail 30 is in a collapsible state. Locking device 40 for releasing the fixing is installed.

The locking device 40 is first fixed to the above-described locking bracket 50, one end is fixed to the upper side of the vertical support (33) of the locking bracket 50, the other end passes through the locking bracket 50 inside the horizontal support (31) It is provided with a locking pin 60 and a restraining member 70 provided to be inserted into.

Constraining member 70 is provided along the longitudinal direction of the horizontal support 31 on the inner bottom side of the horizontal support 31 having a locking hole 71 formed to restrain the locking pin 60, the metal plate spring Prepared.

The double constraining member 70 has one end 70A on which the locking hole 71 is formed is supported on the bottom of the horizontal support 31 on the upper side of the locking bracket 50, and the other end 70B is transversely through the fastening member 100. The support 31 is installed inside the horizontal support 31 to be fixed to the bottom.

And as the locking pin 60 is fixed to the vertical support 33 so that the lower end is inserted into the upper end of the vertical support 33 and the upper end is protruded to the upper vertical support (33) (the vertical support ( It is located on the same axis as 33). Accordingly, the vertical support 33, the locking pin 60, and the locking hole 71 are positioned on the same axis in a state in which the locking pin 60 is restrained by the locking hole 71. Therefore, even when a force is applied from the upper side to the lower side of the side rail fixed in the standing state, such a load is not concentrated in the locking hole 71 and the locking pin 60, and the vertical support 30 ), So that damage to the locking hole 71 or the locking pin 60 is suppressed.

Here, the locking pin 60 is hinged to the upper end of the vertical support 33 to the horizontal support 31 so that the locking pin 60 does not need to be fixed to the vertical support 33 through a separate fastening means. It is fixed to the vertical support 33 through the hinge pin 38 to make.

To this end, the locking pin 60 is inserted into the vertical support 33 so that the hinge pin 38 can be coupled to the fastening hole 36 of the lock bracket 50 and the hinge hole of the vertical support 33. A through hole 61 formed to communicate with 37 is formed.

In addition, the locking device 40 is provided with a lever 80 so as to elastically deform one end 70A of the restraining member 70 to the upper side to release the restraint of the locking hole 71 with respect to the locking pin 60. It is further provided.

The lever 80 is installed to be slidable up and down in the locking bracket 50 so as to push up one end (70A) of the restraining member 70 on one side of the engaging hole (71), only the bottom lock It is provided to be exposed to the lower bracket 50.

In addition, the lever 80 extends upwardly so as to penetrate the bottom of the horizontal support 31 so that an end thereof is fixed to one end 70A of the one side restraining member 70 of the locking hole 71. Is formed integrally. Extension portion 81 is fitted to the restraining member 70, a pair of fitting holes 72 is formed at one end of the one side restraining member 70 for this purpose, the extension portion 81 The outer periphery of the fitting groove (81a) is formed to be hooked to the fitting hole (72). Reference numeral 31a is a through hole formed in the bottom of the horizontal support 31 for the passage of the extension 81.

Therefore, as shown in FIG. 4, the user presses the lever 80 upward while the side rail 30 is fixed to the user in the state in which the horizontal support 31 on the lever 80 side is wrapped with the lever 80 by hand. When the extension portion 81 lifts one end 70A of the restraining member 70 toward the upper side, the restraining member 70 releases the restraint of the catching hole 71 with respect to the catching pin 60. Is elastic deformation.

Then, when the side rail 30 is pushed to one side in the longitudinal direction of the horizontal support 31 in the state in which the restraint of the locking hole 71 with respect to the locking pin 60 is released, each vertical support ( 32 and 33 are in a lying state, and the side rails 30 can be folded onto the bed body 10, and in this state, once the external force applied to the lever 80 is removed, one end of the restraining member 70 is removed. 70A is returned to its original state so as to be supported by the inner bottom of the horizontal support 31 again through its self restoring force.

On the other hand, in the case of the restraining member 70 is provided with a leaf spring can be elastically deformed and restored of the one end (70A) by itself, while using the medical bed for a long time as the self-elastic force of the restraining member 70 is lowered There is a fear that the restraint force on the locking pin 60 is lowered.

Therefore, to compensate for this, the locking device 40 is configured to further include an elastic member 90 in the form of a spring spring installed between the one end 70A of the restraining member 70 and the upper inner wall of the horizontal support 31.

The fitting protrusion 73 is formed in the restraining member 70 of the upper edge of the locking hole 71 to install the elastic member 90 so that the lower end of the elastic member 90 is fitted.

In addition, at the lower end of the horizontal support 31 corresponding to the position of the locking hole 71, an entrance hole 31b is formed to allow the upper end of the locking pin 60 to enter into the horizontal support 31. The access hole 30b is horizontally supported so that the locking pin 60 is prevented from being caught by the access hole 30b when the vertical support 33 is laid down for the folding of the side rail 30. It is provided in the form of a long hole formed along the length direction.

Therefore, the locking device 40 according to the present embodiment is a posture switching operation of the side rail 30 in the folded state in the folded state by the entrance hole 31b provided in the long hole form the lever 80 It will be made naturally even without pressing separately.

That is, when re-entering the side rails 30, which are folded on the bed body 10, so that the vertical supports 32, 33 are upright, the user first grasps the horizontal support 31 by hand. The vertical support (32, 33) is to hold the horizontal support 31 to the upper side in the lateral direction so that the vertical support and vertical to the horizontal support (31) and the bed body (10).

At this time, even if the lever 80 is not pressed upward, as shown in FIG. 6, the end of the locking pin 60 of the upper end of the vertical support 33 passes through the entrance hole 31b. The one end 70A is naturally pushed upwards in contact with the one end 70A, and then the one end 70A is horizontally supported again in the state where the locking pin 60 is restrained by the locking hole 71. Restoration to be supported on the bottom to ensure that the restraint of the locking hole 71 to the locking pin (60).

Therefore, the medical bed according to the present embodiment provided as described above includes a locking pin 60 even when the user does not press the lever 80 when the posture is switched so that the side rail 30 of the folded state is placed in the reentry state. As the components of the locking device 40 collide with each other, it can be effectively prevented from being broken.

In addition, in the medical bed according to the present embodiment, both the locking pin 60 and the locking member 70 having the locking hole 71 are formed to lock the side rail 30 in a substantially standing state. It is made of metal. Therefore, when the locking device 40 according to the present embodiment is used, even when the side rail 30 receives a force in the lateral direction while the locking pin 60 is locked to the locking hole 71, the same applies. Since the rigidity of both the locking pin 60 and the restraining member 70 provided with a metal material is similar, neither the locking pin 60 nor the restraining member 70 is easily broken.

In addition, when the locking pin 60 is fixed to the top of the vertical support 33 and the locking member 70 having the locking hole 71 is positioned inside the horizontal support 31 as in the present embodiment, the side rails 30 Since the clearance between the horizontal support 31 and the bed main body 10 is formed in a state that is folded toward the bed main body 10, the side rail 30 can be folded in a state in which the side rail 30 is in close contact with the bed main body 10 side. When the side rail 30 is folded, the user's finger and the like are not caught in the locking device 40.

1 is a perspective view showing the structure of a medical bed according to an embodiment of the present invention.

Figure 2 is an exploded perspective view showing the structure of the side rail and the locking device installed on the side rail in a medical bed according to an embodiment of the present invention.

3 is a side cross-sectional view showing the structure of the side rail of the locking device in the medical bed according to an embodiment of the present invention, showing a state in which the side rail is fixed through the locking device.

Figure 4 is a side cross-sectional view showing the main structure of the side rail in the medical bed according to an embodiment of the present invention, showing a state in which the side rail is fixed to the locking device is released.

Figure 5 is a side cross-sectional view showing the main structure of the side rail in the medical bed according to an embodiment of the present invention, showing a state that the side rail is folded. .

Figure 6 is a side cross-sectional view showing the main structure of the side rail in the medical bed according to an embodiment of the present invention, showing the state of the side rail is re-entry in the folded state.

* Description of the symbols for the main parts of the drawings *

30: side rail 31: horizontal support

32, 33: vertical support 40: locking device

50: locking bracket 60: locking pin

70: restraining member 71: locking hole

80: lever 90: elastic member

Claims (7)

Bed body; The vertical support is erected by having a horizontal support provided on the bed body in parallel with the bed body, one end is hinged to the bed body side and the other end is provided with a plurality of vertical support hinged to the horizontal support side A side rail provided to be folded about the bed main body so as to be in a collapsed state; A medical bed comprising: a locking device provided to fix the side rails in a standing state of the vertical support or to release the side rails in a standing state of the vertical support. The locking device is provided in the horizontal support having a locking pin provided to be coupled to the upper portion of the vertical support so that the upper end can enter the horizontal support, and the locking hole for restraining the upper end of the locking pin. Side rail locking device for a medical bed comprising a restraining member. The method of claim 1, The side rail locking device of the medical bed, characterized in that the vertical support, the locking pin and the locking hole is located on the same axis in the state that the locking pin is constrained to the locking hole. 3. The method of claim 2, The vertical support is formed in a hollow, the locking pin is a side rail lock device for a medical bed, characterized in that the lower end is provided to be fixed to the vertical support in the state inserted into the top of the vertical support. The method of claim 3, wherein The locking pin is a side rail lock device for a medical bed, characterized in that fixed to the vertical support via a hinge pin for hinge coupling the upper end of the vertical support to the horizontal support. 3. The method of claim 2, The restraining member is provided as a plate spring of elastically deformable metal material and installed in the longitudinal direction of the horizontal support in the horizontal support, The locking hole is formed at one end of the restraining member, The locking device may further include a lever provided to push up one end of the restraining member to one side of the catching hole so as to elastically deform one end of the restraining member to the upper side to release the restraint of the catching hole with respect to the catching pin. Siderail locking device for a medical bed comprising a. The method of claim 5, The side rail locking device of the medical bed further comprises an elastic member in the form of a spring spring installed between one end of the restraining member and the upper inner wall of the horizontal support. 3. The method of claim 2, An entrance hole is formed at the lower end of the horizontal support such that an upper end of the locking pin enters the horizontal support. The access hole is a side rail locking device of the medical bed, characterized in that provided in the form of a long hole to prevent the engaging pin is caught in the access hole when the vertical support is laid down.

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