JPH0514089Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field] This invention relates to legs for home kotatsu.

[Problems that conventional technology and ideas try to solve]

Generally, the legs for a home kotatsu are used by being held perpendicular to the side frame of the kotatsu main body on which the top plate is placed, and when not in use, the legs are , it is removed from the kotatsu side frame and stored. That is, the legs are usually screwed onto the side frame of the kotatsu, and their removal is troublesome and time-consuming.

Therefore, the purpose of this invention is to provide legs for a home kotatsu that can be easily and quickly bent inward when not in use, so that the legs do not get in the way when the kotatsu is stored. shall be.

[Means to solve the problem]

The legs for a home kotatsu of the present invention include a rectangular cylindrical script body having first, second, third, and fourth side walls, and a folded state in which the script body is parallel to the kotatsu side frame. A leg for a home kotatsu is provided with a pivot member pivotably supported to be displaceable between a vertically unfolded state and a vertically unfolded state, wherein the pivot member is connected to a rectangular plate-shaped upper wall and each of the upper walls. It is formed from the first, second, third, and fourth hanging pieces hanging from the side, and the first, second, third, and
The fourth hanging piece is a hanging peripheral wall, the first, third and fourth hanging pieces are a hanging fitting wall having a U-shape in plan view, and the first hanging piece facing opposite to the script body
An axially elongated hole is formed in the proximal end of the third side wall, and an axial notch is formed in the proximal edge of the second side wall of the script body; The first and third protrusions are fitted so as to be able to reciprocate by a predetermined amount in the axial direction of the base plate and serve as the center of swing of the script body.
Provided on the inner surface of the first and third hanging pieces that cover the base end portion of the side wall from the outside, and on the back surface of the upper wall of the pivot member, in the axial direction notch portion in the folded state. A locking hanging piece is provided, and the hanging piece and the bottom wall of the script body are resiliently biased toward the pivot member to expand the base end of the script body as described above. an elastic member that is fitted to the hanging peripheral wall in the folded state and fitted to the hanging fitting wall in the folded state and allows the script body to swing by pulling the script body against the elastic force; It is a concatenation.

[Effect]

With the above configuration, when the script body is parallel to the side frame of the kotatsu, the base end of the script body is fitted into the hanging fitting wall of the pivot member, and from this state, the elastic member If the script body is pulled toward the tip side against the spring force, the fitting will be released and the script body will be able to swing. When the script body is placed in a vertical state with respect to the side frame and the tension toward the tip side of the script body is released, the base end of the script body is fitted into the hanging peripheral wall of the pivot member and held in a vertical state. be done.

〔Example〕

Hereinafter, the present invention will be explained in detail based on drawings showing embodiments.

Figures 1, 2, and 3 show legs for a home kotatsu according to the present invention, and these legs consist of a cylindrical script body 1.
and a pivot member 3 attached to the kotatsu side frame 2,
It is provided with a resilient member 5 such as a coil spring that resiliently urges the script body 1 toward the pivot member 3 side.

Thus, the script body 1 is composed of a rectangular cylinder having a substantially square cross section and having first, second, third, and fourth side walls 6a, 8a, 6b, and 8b, and has one opposing first and fourth side walls 6a, 8a, 6b, and 8b.
The upper end (that is, the base end) of the third side walls 6a, 6b
Axial long holes 7, 7 are formed in the second side wall 8a.
A rectangular notch 9 is formed at the proximal edge of. Further, a bottom wall 11 is attached to the tip opening 10. A locking portion 1 to which one end 12 of the elastic member 5 is locked is located approximately at the center of the bottom wall 11.
3 are erected.

Further, the pivot member 3 includes an upper wall 14 in the shape of a square flat plate.
and first, second, third and fourth hanging pieces 19a, 24, 19b, 2 hanging from each side of the upper wall 14.
Consists of 4 and.

A locking piece 17 to which the other end 16 of the resilient member 5 locks is suspended from the back surface of the upper wall 14, and the first and third hanging pieces 19a, 19b have inner surfaces thereof. 1. Protrusions 18, 18 are provided which fit into the elongated holes 7, 7 of the third side walls 6a, 6b. Note that the protrusion 18 is made of a disk and is fitted into the elongated hole 7 so as to be slidable and rotatable.

Therefore, if the proximal end surface 22 of the script body 1 comes into contact with the upper wall 14 of the pivot member 3 with the protrusions 18, 18 fitted in the elongated holes 7, 7, the first, second, The base end portion 20 of the script body 1 is attached to the hanging peripheral wall 23 formed by the third and fourth hanging pieces 19a, 24, 19b, and 24.
are fitted, and the script body 1 maintains a vertical state (deployed state) with respect to the kotatsu side frame 2. Further, in this state, the protrusion 18 is located at the tip 7a of the elongated hole 7, as shown in FIG. Note that the second hanging piece 24 corresponding to the second side wall 8a having the notch 9 is connected to the fourth side wall 8b.
It is set shorter than the corresponding fourth hanging piece 21. The second hanging piece 24 is located on the inner side of the kotatsu side frame 2.

Moreover, as shown in FIG. 5, when the script body 1 is in a parallel state to the kotatsu side frame 2,
The base end surface 22 of the pivot member 3 contacts the fourth hanging piece 21, the base end of the second side wall 8a of the main body 1 contacts the end face 24a of the second hanging piece 24, and the locking piece The portion 17 is engaged with the notch portion 9 of the script body 1. That is, the base end portion 20 of the script body 1 is fitted into the hanging fitting wall 15 formed by the first, second, and fourth hanging pieces 19a, 19b, and 21 and having a U-shape in plan view. The parallel state (folded state) of the main body 1 is maintained.

Further, the locking piece portion 17 is provided near the fourth hanging piece 21, and the other end 16 of the resilient member 5, whose one end 12 is locked to the locking portion 13 of the bottom wall 11, is locked therein.
Therefore, the script body 1 is always resiliently biased toward the pivot member 3, and is in the vertical state shown in FIGS. 1 and 2, or in the
The horizontal state shown in the figure is maintained.

Therefore, if the script body 1 is pulled in the direction of arrow A (that is, toward the tip side) from the state shown in FIGS. 1 and 2 against the resilient force of the resilient member 5, the script body The base end portion 20 will come off the hanging peripheral wall 23. That is, since the protrusions 18, 18 are slidably and rotatably fitted into the elongated holes 7, 7,
If the script body 1 can be pulled in the direction of arrow A and is released from the vertical locking portion 23, the script body 1 can swing around the protrusions 18, 18.

Therefore, at this time, if the script body 1 is swung in the direction of arrow B (that is, inward of the kotatsu side frame 2),
As shown in FIG. 4, the script body 1 swings while the protrusion 18 is located at the base end 7b of the elongated hole 7, and the script body 1 becomes parallel to the kotatsu side frame 2. When the tensile force of the script body 1 is released, the script body 1 is pulled toward the pivot member 3 by the resilient force of the resilient member 5, and as shown in FIG. The base end surface 22 of the script body 1 contacts the fourth hanging piece 21, and the second side wall 8a of the script body 1 contacts the end surface 24 of the second hanging piece 24.
a, and the locking part 17 locks in the notch part 9, so that the script body 1 is maintained in a parallel state (that is, in a folded state). Further, from the state shown in FIG. 5, when the script body 1 is pulled toward the tip side and the script body 1 is swung in the direction opposite to the direction of arrow B around the protrusions 18, 18, it becomes a vertical state. Then, when the tensile force is released, the vertical state (deployed state) shown in FIGS. 1 and 2 is maintained.

As shown in FIG. 4, when the resilient member 5 is located above the line D connecting the locking hole 17a of the locking portion 17 and the center O of the protrusion 18, the script body 1 is in a horizontal state. In the lower position, the screenplay body 1 is in a vertical state. (Therefore, in the state shown in Figure 4,
It becomes horizontal. ) [Effects of the invention] Since the present invention is constructed as described above, it produces the following effects.

In the folded state, the base end 20 of the script body 1 fits into the hanging fitting wall 15, and in the unfolded state,
Since the base end 20 of the script body 1 fits into the hanging peripheral wall 23, each posture of the folded state or the unfolded state is maintained in a stable state, and it is safe to use.
It also has excellent strength.

Protrusions 18, 18 serving as the center of swing of the script body 1
Also, the locking piece 17 that locks into the notch 9 of the script body 1 is not exposed to the outside, resulting in a beautiful external shape and an excellent design.

The locking piece 17 locks into the notch 9 of the script body 1, so that the script body 1 in the folded state can be prevented from swinging, and damage caused by vibration can be effectively prevented.

Since the locking piece portion 17 also serves as the other connecting portion of the resilient member 5, the overall structure can be simplified.

[Brief explanation of drawings]

Fig. 1 is a cross-sectional front view showing an embodiment of the present invention in an unfolded state, Fig. 2 is a cross-sectional side view of the same, Fig. 3 is an exploded perspective view of the main parts, and Fig. 4 is a cross-sectional side view of an explanatory view of the operation.
FIG. 5 is a cross-sectional side view of the main part showing the folded state. DESCRIPTION OF SYMBOLS 1... Screenplay body, 2... Kotatsu side frame, 3... Pivotal support member, 5... Spring member, 6a... First side wall, 6b
...Third side wall, 7... Axial long hole, 8a... Second side wall, 8b... Third side wall, 9... Axial notch, 14... Top wall, 15... Hanging fit Joining wall, 17
... Locking piece portion, 18 ... Protrusion, 19a ... First
Hanging piece, 19b...Third hanging piece, 21... Fourth hanging piece, 23... Hanging peripheral wall, 24... Second hanging piece.

Claims (1)

[Claims for utility model registration] First, second, third, and fourth side walls 6a, 8a, 6
A script body 1 having a rectangular cylindrical shape and having a side frame 2 of a kotatsu, and a pivot that allows the script body 1 to be displaced between a folded state in which it is parallel to a kotatsu side frame 2 and an unfolded state in which it is perpendicular to the kotatsu side frame 2. A foot for a home kotatsu is provided with a supporting member 3, and the supporting member 3 is connected to a rectangular plate-shaped upper wall 14 and first, second, and second supports hanging from each side of the upper wall 14. 3 and the fourth hanging pieces 19a, 24, 19b, 21, and the hanging peripheral wall 23 is formed by the first, second, third, and fourth hanging pieces 19a, 24, 19b, 21,・Third and fourth hanging pieces 19a, 1
9b and 21 form a hanging fitting wall 15 having a U-shape in plan view, and an axial elongated hole 7 is provided at the proximal end portions of the first and third side walls 6a and 6b of the script body 1 that face each other. . The protrusions 18, 18, which are fitted together to allow a predetermined amount of reciprocating movement and serve as the center of swing of the script body 1, are connected to the first
Provided on the inner surfaces of the first and third hanging pieces 19a and 19b that cover the base end portions of the third side walls 6a and 6b from the outside,
Further, a hanging piece 17 is provided on the back surface of the upper wall 14 of the pivot member 3, and the hanging piece 17 is engaged with the axial notch 9 in the folded state. The bottom wall 11 of the script body 1 is resiliently biased toward the pivot member 3 side, and the base end of the script body 1 is fitted into the hanging peripheral wall 23 in the unfolded state and folded. It is characterized by being connected by an elastic member 5 that fits into the hanging fitting wall 15 in the tatami state and allows the script body 1 to swing by pulling the script body 1 against the elastic force. Legs for home kotatsu.