JP2832909B2 - Removable side fence fixing structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a detachable side fence fixing structure provided on a side frame of a bed.

[0002]

2. Description of the Related Art Generally, a side fence provided on a side frame of a bed is used as a fall prevention measure, a support member such as a dining table (over table), a clue when getting on and off the bed, and a measure for preventing a patient with dementia from wandering. Used.

[0003]

By the way, the detachable side fences are not enough to exhibit the function as a clue as described above. That is, in the fixing structure of the detachable side fence, it is merely inserted into the side frame of the bed, and without the fixing means, rattling occurs.
It becomes unstable and gives a sense of anxiety to the user. For the purpose of preventing the patient with dementia from wandering, simply inserting the side fence may cause the dementia patient to pull out the side fence and swing around, resulting in insufficient prevention of wandering. The present invention has been proposed in order to improve such a point, and enables the detachable side fence to be fixed to the side frame by a simple operation without rattling.
An object of the present invention is to provide a fixing structure for a detachable side fence.

[0004]

In order to achieve the above object, the present invention relates to a detachable side fence configured to be detachable from a locking hole formed in a side frame such as a bed. It has a strut part and a fence part to be fitted,
The support portion is a hollow pipe having an outer diameter smaller than the inner diameter of the locking hole, and a base frame member is provided at the top of the support portion.
At the same time, fit the sleeve to the end of
The shaft is movable in the axial direction from the base frame member via the sleeve.
Insert the member and make the tip protrude from the sleeve,
An operation lever is provided on one end side of the shaft member in the base frame member.
Pivotally connecting a connecting shaft between the operating lever and the shaft member, compared to the distance between face the operating lever makes contact with the base frame member bottom portion when in the vertical state, based upon the operation lever is in a horizontal state By increasing the distance between the surface in contact with the bottom of the frame member and the operating lever in a horizontal state, the shaft member is pulled up by a predetermined distance. By holding the elastically deformable member having substantially the same diameter and holding the operation lever in the horizontal state, the shaft member is pulled up by a predetermined distance, and the distance between the sleeve and the tip of the shaft member is reduced, so that the diameter of the elastically deformable member is reduced. In this case , the elastic deformation member is fixed by pressing the elastic deformation member against the inner wall surface of the locking hole. Further, the present invention provides a detachable side fence configured to be detachable from a locking hole formed in a side frame of a bed or the like, comprising a support portion and a fence portion adapted to fit into the locking hole, The strut portion is a hollow pipe whose outer diameter is smaller than the inner diameter of the locking hole, and a nut member is provided at the top of the strut portion, while the end of the strut portion is provided.
A sleeve is fitted to the end, and a shaft member is attached to the nut member.
And the tip is projected from the sleeve, and a grip portion for rotating the shaft member is mounted on the top of the shaft member, and the grip member is rotated to rotate the shaft member with respect to the nut member. The shaft is moved by a predetermined distance in the axial direction, and an elastic deformation member having substantially the same outer diameter as the strut portion is sandwiched between the sleeve and the tip of the shaft member at the distal end of the strut portion. By raising the member by a predetermined distance and reducing the distance between the sleeve and the tip of the shaft member, the elastically deformable member is expanded and deformed in the radial direction, and the elastically deformable member is fixed by pressing against the inner wall surface of the locking hole. I made it. Further, the present invention provides a detachable side fence configured to be detachable from a locking hole formed in a side frame such as a bed,
It has a column and a fence adapted to fit into the locking hole, the column is a hollow pipe whose outer diameter is smaller than the inner diameter of the locking hole, Base frame member on top
While fitting the sleeve at the end of the support
And can be moved axially from the base frame member via a sleeve.
Insert the shaft member and project the tip from the sleeve
And an operation lever is provided on one end side of the shaft member in the base frame member.
When the operation lever is in the horizontal state, the bar is rotatably connected to the connection shaft between the operation lever and the shaft member, and the distance between the operation lever and the surface in contact with the bottom of the base frame member when the operation lever is in the vertical state. By increasing the distance between the bottom surface of the base frame member and the surface in contact with the base frame member, the operating lever is brought into a horizontal state, so that the shaft member is pulled up by a predetermined distance. A pair of hollow pipes having substantially the same outer diameter as the strut portion and having a structure capable of being joined to one pipe via an inclined surface are loosely fitted, and sandwiched between the sleeve and the tip of a shaft member, and the operation lever is the with horizontal state, the shaft member is pulled up a predetermined distance, by reducing the distance between the sleeve and the shaft member distal end, is slid each other inclined surface a pair of hollow pipes together is projected laterally,
It was fixed by pressing against the inner wall surface of the locking hole. Further, the present invention provides a detachable side fence configured to be detachable from a locking hole formed in a side frame of a bed or the like, comprising a support portion and a fence portion fitted into the locking hole. The portion is a hollow pipe whose outer diameter is smaller than the inner diameter of the locking hole, and a nut member is provided at the top of the support portion.
On the other hand, a sleeve is fitted and attached to the end of the strut,
Screw the shaft member into the nut member and insert the sleeve
And a grip portion for rotating the shaft member is mounted on the top of the shaft member, and the grip member is rotated by the grip portion to move a predetermined distance in the axial direction with respect to the nut member. A pair of hollow pipes having substantially the same outer diameter as the pillar portion and having a structure capable of being joined to one shaft shape through an inclined surface are loosely fitted to a shaft member protruding from the sleeve at the end portion of the first pillar, and By clamping the sleeve between the sleeve and the tip of the shaft member and turning the grip portion, the shaft member is pulled up by a predetermined distance, and the distance between the sleeve and the tip of the shaft member is reduced, so that a pair of hollow pipes can be connected to each other. an inclined surface is slid with is projected laterally and be fixed by pressure contact with the retaining hole in the wall.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a fixing structure for a detachable side fence according to the present invention will be described with reference to the accompanying drawings. 1 and 2 show the detachable side fence 1. The detachable side fence 1 is composed of a first pillar 4a and a second pillar 4b integrally formed by a hollow pipe and fitted into a locking hole 3 on a side frame 2 of the bed.
And a fence 5. The outer diameter of the first column 4a and the second column 4b is smaller than the inner diameter of the locking hole 3 so that the first column 4a and the second column 4b can be inserted into the locking hole 3 with a margin. The first support 4a is a lower horizontal pipe 5a of the fence 5,
It is directed in a direction perpendicular to the intermediate horizontal pipe 5b, and the top is located between the intermediate horizontal pipe 5b and the upper horizontal pipe 5c. The second support 4b extends from the lower horizontal pipe 5a of the fence 5 to the upper horizontal pipe 5c. , At the middle, and is connected to the intermediate horizontal pipe 5b.

In the first support 4a, the first support 4a
3 has a base frame member 6 on the top side as shown in FIG. 3, and is inserted through the base frame member 6 from the top to the end side to be inserted into the locking hole 3 and fitted to the end portion. While penetrating the fitted sleeve 7, the tip protrudes from the distal end,
A shaft member 8 movably provided in the axial direction. In the base frame member 6 at the top of the first post 4a, the base frame member 6 is a frame having a substantially U-shaped cross section in which the opening surface of the top of the first support 4a is closed. It is held so as to be sandwiched. That is, in the base frame member 6, an operation lever 9 that is operated by being displaced from a vertical state to a horizontal state is rotatably connected to the top of the shaft member 8, and a connection shaft between the operation lever 9 and the shaft member 8 is connected. 10, as compared to the distance L ₁ between the surface 9a of the operating lever 9 is in contact with the base frame member 6 bottom in the vertical state, the operating lever 9
Is the distance L ₂ between the surface 9b in contact with the base frame member 6 bottom during a horizontal state as a large, by making the operating lever 9 in a horizontal position, has a structure to raise the predetermined distance the shaft member 8 in the axial direction. In addition, between the surface 9a and the surface 9b of the operation lever 9 which is in contact with the bottom of the base frame member 6, an arc-like shape is provided so that the operation lever 9 can be operated while smoothly contacting the bottom of the base frame member 6. Beveled.

On the other hand, an elastically deformable member 11 having substantially the same outer diameter as the first column 4a is mounted on the distal end of the shaft member 8 protruding from the sleeve 7 at the end of the first column 4a. In this case, similarly to the sleeve 7, the elastically deformable member 11 has a through hole formed in the center axis direction so that the shaft member 8 can be displaced in the axial direction. Such an elastic deformation member 11
It is sandwiched between a sleeve 7 and a nut member 13 screwed to the tip via a washer 12. By bringing the operation lever 9 into a horizontal state, the shaft member 8 is pulled up a predetermined distance, and the distance between the sleeve 7 and the washer 12 at the tip of the shaft member 8 is reduced, so that the elastic deformation member 11 is expanded in the radial direction. The first support 4a is fixed so as not to rattle and fall off by pressing the elastic deformation member 11 against the inner wall surface of the locking hole 3 by deforming (see FIG. 4).

In the detachable side fence 1 as described above, the first strut 4a and the second strut 4b are inserted into the locking holes 3 of the side frame 2 of the bed while grasping the upper horizontal pipe 5c of the fence portion 5.
To operate the operation lever 9 at the top of the first support 4a (see FIG. 1). That is, the operation lever 9 in the vertical shape
Is displaced horizontally. Then, the operation lever 9 has a surface 9 that is in contact with the bottom of the base frame member 6 when the surface 9 is in the vertical state.
The transition from a to the surface 9b that comes into contact in the horizontal state. In this case, the surface 9a that contacts in the vertical state, the distance L ₁ between the operation lever 9 and the connecting shaft 10 between the shaft member 8 and the surface 9b that contacts in the horizontal state, and the operation lever 9 and the shaft member 8 Connecting shaft 10
Since the distance L ₂ between, by the operating lever 9 in a horizontal position, the shaft member 8 is axially L ₂ -L ₁ minute, pulled. The operation of the operation lever 9 can be smoothly performed by arc-shaped chamfering between the surface 9a and the surface 9b in contact with the bottom of the base frame member 6. Operation lever 9
By the horizontal state, the washer 12 at the opening at the distal end of the shaft member 8 protruding from the sleeve 7 at the distal end, lifted distance L ₂ -L ₁ minute, the sleeve 7 and the shaft member 8 distal end of the first strut 4a As a result, the elastic deformation member 11 expands and deforms in the radial direction, whereby the elastic deformation member 11 comes into pressure contact with the inner wall surface of the locking hole 3,
The first support 4a can be fixed so as not to rattle and not to fall off (see FIG. 4). As described above, the initial purpose can be achieved by a simple operation of simply displacing the operation lever 9 from the vertical state to the horizontal state, so that it is excellent in functionality, easy to use, and costly. It is possible to realize a side fence without any.

The fixing structure of the detachable side fence according to the present invention comprises:
The following configuration may be used. In this case, as shown in FIG. 5, a nut member 20 is fitted to the top of the first support 4a which is fitted into the locking hole 3 of the side frame 2, and the vicinity of both ends is attached to the nut member 20. The threaded shaft member 21 is provided so that one end is screwed in, the other end is reached through the inside of the first support 4a, and the other end reaches the end of the first support 4a. The shaft member 21 is connected to the first support 4
A is configured so as to penetrate the sleeve 7 fitted and mounted on the distal end portion and protrude the distal end from the distal end portion so as to be movable in the axial direction. A shaft member 21 is provided on the top of the shaft member 21.
A knob 22 for rotating the knob is mounted.
2, the shaft member 21 is rotated to move a predetermined distance in the axial direction with respect to the nut member 20. The structure near the distal end of the shaft member 21 protruding from the sleeve 7 at the end of the first support 4a has the same structure as that of the above-described embodiment, and a description thereof will be omitted.

According to such a structure, when the knob 22 attached to the top of the shaft member 21 is turned, the shaft member 21 advances through the screw hole of the nut member 20 and moves upward in the drawing.
The distance between the sleeve 7 and the washer 12 at the tip of the shaft member 21 is reduced, and the elastically deformable member 11 is expanded and deformed in the radial direction and pressed against the inner wall surface of the locking hole 3 so that the first support 4a does not rattle. And can be fixed so as not to fall off (see FIG. 6).

The structure for fixing the detachable side fence according to the present invention can also be implemented by the following structure.
In this case, as shown in FIG. 7, the shaft member 30 is inserted through the base frame member 6 provided on the top of the first support 4a from the top to the end of the first support 4a.
The operation lever 9 which is operated by being displaced from a vertical state to a horizontal state is rotatably connected to the top of the first member.
The shaft member 30 protruding from the sleeve 7 at the distal end of the support 4a has an inclined surface 3 substantially identical to the outer diameter of the first support 4a.
A pair of hollow pipes 31 and 32 having a structure that can be joined into a single pipe via 1a and 32a are loosely fitted, and hollow pipes 31 and 32 provided at the end of the sleeve 7 and the shaft member 30 are provided.
And a flange portion 30a having the same size as the outer diameter of the first portion. The inner diameter of the hollow pipes 31 and 32 is
It is larger than the outer diameter of 0.

According to such a fixing structure, by setting the operation lever 9 in a horizontal state, the shaft member 30 is raised by a predetermined distance, so that the distance between the sleeve 7 and the front flange portion 30a of the shaft member 30 is reduced. Then, since the inner diameter of the pair of hollow pipes 31 and 32 is larger than the outer diameter of the shaft member 30, the hollow pipe 3 is formed by an external force in the axial direction.
1 and 32 are inclined surfaces 31 from one pipe state.
a, 32a slides and alternately projects sideways,
The side surfaces of the hollow pipes 31 and 32 are pressed against the inner wall surfaces of the locking holes 3 so that the first pillars 4a can be fixed so as not to rattle and fall off (see FIG. 8).

Further, the fixing structure of the detachable side fence according to the present invention may have the following structure. In this case, as shown in FIG. 9, the nut member 20 provided on the top of the first support 4a is provided.
Into one end of the shaft member 40, and
a, the other end of the first support 4a penetrates the sleeve 7 fitted and attached to the distal end of the first column 4a, and the distal end projects from the distal end. A pair of hollow pipes 31 and 32 having substantially the same outer diameter as the first column 4a and having a structure that can be joined into one pipe via the inclined surfaces 31a and 32a.
Is loosely fitted and sandwiched between the sleeve 7 and a flange portion 40a provided at the tip of the shaft member 40 and having the same dimensions as the outer diameters of the hollow pipes 31 and 32. The hollow pipe 3
The inner diameters of the shaft members 1 and 32 are larger than the outer diameter of the shaft member 40.

[0014]

According to the present invention, the shaft member is inserted into the support portion having a size that can be inserted into the locking hole on the side frame of the bed with a margin, and the shaft member is displaced in the axial direction. Thus, the column can be fixedly held without rattling on the inner wall of the locking hole and without falling off by the press-contact means held at the tip of the shaft member protruding from the end of the column.

[0015]

[Brief description of the drawings]

FIG. 1 is an external perspective view showing an example of a detachable side fence provided with a fixing structure according to the present invention.

FIG. 2 is an external side view of the detachable side fence shown in FIG.

FIG. 3 is a sectional explanatory view showing an example of a fixing structure of a detachable side fence.

FIG. 4 is a sectional operation explanatory view showing a state where the fixing operation is performed by the fixing structure shown in FIG. 3;

FIG. 5 is an explanatory sectional view showing another example of a fixing structure of the detachable side fence.

FIG. 6 is a sectional operation explanatory view showing a state where the fixing operation is performed by the fixing structure shown in FIG. 5;

FIG. 7 is an explanatory sectional view showing another example of a fixing structure of the detachable side fence.

8 is a cross-sectional operation explanatory view showing a state where the fixing operation is performed by the fixing structure shown in FIG. 7;

FIG. 9 is an explanatory sectional view showing another example of a fixing structure of the detachable side fence.

FIG. 10 is a sectional operation explanatory view showing a state where the fixing operation is performed by the fixing structure shown in FIG. 9;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Detachable side fence 2 Side frame 3 Locking hole 4a 1st support 4b 2nd support 5 Fence 5a Lower horizontal pipe 5b Intermediate horizontal pipe 5c Upper horizontal pipe 6 Base frame member 7 Sleeve 8, 21, 30, 40 Shaft member 9 Operation lever 10 Connecting shaft 11 Elastic deformation member 12 Washer 13, 20 Nut member 22 Knob 30a, 40a Flange part 31, 32 Hollow pipe 31a, 32a Inclined surface

Claims (4)

(57) [Claims] 1. A detachable side fence configured to be detachable from a locking hole formed in a side frame of a bed or the like, comprising a support portion and a fence portion fitted into the locking hole. The portion is a hollow pipe whose outer diameter is smaller than the inner diameter of the locking hole, and a base frame member is provided at the top of the support portion.
On the other hand, a sleeve is fitted and attached to the end of the strut,
Shaft movably in the axial direction from the base frame member via the sleeve
Insert the material and make the tip protrude from the sleeve.
Turn the operation lever to one end of the shaft member on the base frame member.
Rotatably to connect, the base frame and the connecting shaft between the operating lever and the shaft member, compared to the distance between face the operating lever makes contact with the base frame member bottom portion when in the vertical state, when the operating lever is in a horizontal state By increasing the distance between the surface in contact with the bottom of the member and the operating lever in a horizontal state, the shaft member is pulled up a predetermined distance, and the outer diameter of the pillar portion between the sleeve and the tip of the shaft member at the distal end of the pillar portion. By holding the elastic deformation member substantially the same as the above and holding the operation lever in a horizontal state, the shaft member is pulled up by a predetermined distance, and the distance between the sleeve and the tip end of the shaft member is reduced, whereby the elastic deformation member is moved in the radial direction. A detachable side fence fixing structure characterized in that the elastically deformable member is pressed against the inner wall surface of the locking hole and fixed. 2. A detachable side fence configured to be detachable from a locking hole formed in a side frame of a bed or the like, comprising a support portion and a fence portion fitted into the locking hole. The portion is a hollow pipe whose outer diameter is smaller than the inner diameter of the locking hole, and a nut member is provided at the top of the support portion.
At the same time, fit the sleeve to the end of
While screwing the shaft member into the nut member,
And a handle for rotating the shaft member is attached to the top of the shaft member, and the shaft member is rotated by the grip portion to move a predetermined distance in the axial direction with respect to the nut member. Structure, an elastically deformable member having substantially the same outer diameter as the strut portion is sandwiched between the sleeve and the tip of the shaft member at the distal end of the strut portion, and by turning the grip portion, the shaft member is pulled up a predetermined distance, and the sleeve is pulled up. By reducing the distance between the shaft member and the tip of the shaft member, the elastic deformation member is expanded and deformed in the radial direction.
And a fixing structure of the detachable side fence , wherein the elastic deformation member is fixed by being pressed against the inner wall surface of the locking hole. 3. A detachable side fence configured to be detachable from a locking hole formed in a side frame of a bed or the like, comprising a support portion and a fence portion fitted into the locking hole. The portion is a hollow pipe whose outer diameter is smaller than the inner diameter of the locking hole, and a base frame member is provided at the top of the support portion.
On the other hand, a sleeve is fitted and attached to the end of the strut,
Shaft movably in the axial direction from the base frame member via the sleeve
Insert the material and make the tip protrude from the sleeve.
Turn the operation lever to one end of the shaft member on the base frame member.
Rotatably to connect, the base frame and the connecting shaft between the operating lever and the shaft member, compared to the distance between face the operating lever makes contact with the base frame member bottom portion when in the vertical state, when the operating lever is in a horizontal state By increasing the distance between the surface in contact with the bottom of the member and the operating lever being in a horizontal state, the shaft member is pulled up by a predetermined distance, and the shaft member protruding from the sleeve at the end of the first support is provided outside the support portion. A pair of hollow pipes having substantially the same diameter and capable of being joined together into one pipe shape via an inclined surface are loosely fitted, and are sandwiched between the sleeve and the tip of the shaft member, so that the operation lever is in a horizontal state. with, the shaft member is pulled up a predetermined distance, by reducing the distance between the sleeve and the shaft member distal end, is slid each other inclined surface a pair of hollow pipes together is projected laterally, locking holes Press against the inner wall Fixing structure of a removable side fence, characterized in that in the be fixed. 4. A detachable side fence configured to be detachable from a locking hole formed in a side frame of a bed or the like, comprising a support portion and a fence portion fitted into the locking hole. The portion is a hollow pipe whose outer diameter is smaller than the inner diameter of the locking hole, and a nut member is provided at the top of the support portion.
At the same time, fit the sleeve to the end of
While screwing the shaft member into the nut member,
And a handle for rotating the shaft member is attached to the top of the shaft member, and the shaft member is rotated by the grip portion to move a predetermined distance in the axial direction with respect to the nut member. A pair of hollow pipes having a structure that is substantially the same as the outer diameter of the post portion and that can be joined into one pipe shape via an inclined surface, is loosely fitted to a shaft member protruding from the sleeve at the end portion of the first post. In addition, by sandwiching between the sleeve and the tip of the shaft member and turning the grip portion, the shaft member is pulled up a predetermined distance, and the distance between the sleeve and the tip of the shaft member is reduced, thereby forming a pair of hollow pipes. causes protrudes laterally sliding the mutually inclined surfaces, the fixing structure of the detachable side fence being characterized in that so as to fix by pressure contact with the retaining hole in the wall.