JPH063288Y2 - Home Gotatsu leg - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a leg for a home tattoo.

[Problems to be solved by conventional techniques and devices]

When the kotatsu is not used, the conventional leg for the home kotatsu is detached from the side frame of the kotatsu body and stored. In other words, the legs are screwed to the kotatsu side frame,
Its removal was troublesome and time-consuming.

Further, it is known that the leg has a leg that can be bent at a table or the like, not as a leg for a home-tatatsu-for example, Japanese Utility Model Publication No. 14-10409-, in the structure of this type of leg,
Since the rigidity when standing upright is insufficient, there is a problem that wobble easily occurs and durability is poor, and it is not suitable as a leg for a home snail.

Therefore, an object of the present invention is to provide a leg for a home kotatsu that can be easily and quickly folded and is strong and robust.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, in the leg for a home kotatsu according to the present invention, the leg root portion and the leg root portion are attached to the leg root portion so that they can be bent by swinging around a pivotal support portion of the leg root portion. A leg for a home got, which comprises a leg body, and the leg base includes a downward-opening covering member and a fixing member fixed in the covering member. The portion includes a hollow support leg member and a rotating member fixed to an upper end portion inside the support leg member, and the fixing member includes a pair of left and right vertical plate portions,
A pair of left and right hanging piece parts arranged between the both vertical plate parts, and a rear vertical plate part connecting the rear surfaces of the both vertical plate parts and the both hanging piece parts,
A rear plate for connecting the pair of left and right side plate parts to the rear surfaces of the both side plate parts by further forming a downward opening locking groove in each of the hanging pieces. A unitary portion, and in each side plate portion of the rotating member above the pivotal support portion, a vertically elongated guide groove is formed, and on the inner surface of the vertical plate portion of the fixing member, The side plate portion of the rotating member is in a proximity or sliding contact shape and is swingably connected by a connecting pin to form the pivotal support portion, which is disposed at an upper end portion in the leg main body portion and the engaging member. A locking pin that can be engaged with and disengaged from the stop groove is vertically movably supported in the guide groove of the rotating member, the upper end is connected to the locking pin, and the lower end is the side surface or the lower end surface of the leg body. An elastic member such as a coil spring which is provided with a bending operation lever exposed at the same time and which elastically urges the operation lever or the locking pin upwards at all times. In which the provided.

[Action]

In use, the leg body portion is held vertically by engaging the engagement pin of the leg body portion with the engagement groove of the leg root portion.

When the bending operation lever is pushed down by using the exposed portion of the lower end thereof as a knob, the locking pin moves downward and is released from the locking groove. Therefore, in order to bend the leg body portion, the leg body portion may be rotated around the pivotal support portion while the folding operation lever is pushed downward.

The locking pin is supported on both sides in the elongated guide grooves of both side plates reinforced by the rear plate, so that the leg body is subjected to external force such as bending or twisting. Also, the locked (upright) state with the locking groove can be reliably maintained, and there is no wobbling.

〔Example〕

An embodiment will be described with reference to the drawings. FIG. 1 shows a case where a leg for a home rattling according to the present invention is attached to an upper surface frame 12 shown by an imaginary line, and the leg is connected with a bolt or the like. It is composed of a leg root portion 1 fixed to the lower projecting portion 14 of the upper surface frame 12 by a tool 13, and a leg body portion 2 foldably connected to the leg root portion 1 via a pivotal support portion 10. . Specifically, the root portion 1 is a covering member 15 made of plastic or the like and having a downward opening.
And a fixing member 16 made of metal or the like that is fitted and fixed in the covering member 15. The fixing member 16 and the covering member 15 are fixed to the upper surface frame 12 by screwing the connecting tool 13 into the screw hole 17 of the fixing member 16. The leg body 2 includes a hollow support leg member 18 made of plastic or the like, and a rotating member 19 fixed in the support leg member 18.
The upper end portion of the supporting leg member 18 is formed in an arc shape having a predetermined curvature centering on the pivotal support portion 10 when viewed from the side so that the support leg member 18 is rotatable in the covering member 15 around the pivotal support portion 10 in the arrow A direction. ing.
The upper end of the rotating member 19 is formed in substantially the same shape as the curved surface portion 20 of the supporting leg member 18 and abuts the curved surface portion 20, and one side edge of the rotating member 19 is inside the supporting leg member 18. It is in contact with the side surface 21. The above-mentioned portion of the rotating member 19 does not necessarily have to be in contact with the supporting leg member 18.

In FIG. 2, the covering member 15 and the supporting leg member 18 are not shown, and the rotating member 19 is shown bent at about 90 degrees. The fixing member 16 includes a pair of left and right vertical plate portions 22 and 22, and a pair of left and right hanging piece portions 24 arranged between the vertical plate portions 22 and 22.
24 and a rear vertical plate portion 25 that connects the rear surfaces of the vertical plate portions 22 and 22 and the hanging piece portions 24 and 24 to each other integrally.
The locking groove 3 having a downward opening shape is formed in 24. For example, in FIG. 2, notch portions 23, 23 are formed in the hanging piece portions 24, 24, and the engaging grooves 3, 3 are formed by the notch portions 23, 23 and the rear vertical plate portion 25. The rotating member 19 has a hole 27 through which the connecting pin 26 is inserted,
A pair of left and right side plate portions 28, 28 through which 27 is provided, and the both side plate portions
The projecting piece parts 29, 29 projecting from the 28, 28 and the rear plate part 30 connecting the rear surfaces of the side plate parts 28, 28 are integrally formed. On each side plate portion 28 of the rotating member 19, a vertically elongated guide groove 32 is formed. The guide groove 32 is arranged above the pivot portion 10 in the state shown in FIG. Further, the side plate portions of the rotating member 19 are provided on the inner surfaces of the vertical plate portions 22 of the fixing member 16.
The pivots 10 are constructed by connecting the 28 and 28 in a proximity or sliding contact state and swingably connected by a connecting pin 26. The rear plate portion 30 is provided with notches 31 and 31 in order to avoid contact with the hanging pieces 24 and 24 when the rotating member 19 rotates around the pivotal portion 10.

In FIGS. 1 and 2, reference numeral 4 denotes a locking pin which is engaged with and disengaged from the locking grooves 3 and 3, and the locking pin 4 is vertically movable on the upper end 5 of the leg body 2. It is arranged. Both ends of the locking pin 4 are inserted and supported in the guide grooves 32, 32 of the side plate portions 28, 28.

As shown in FIGS. 1 and 3, a bending operation lever 9 is provided on the upper end portion 5 of the leg body 2. The upper end 6 of the operating lever 9 is connected to the locking pin 4, and the lower end 7 is provided on the side surface 8 of the leg body 2 as an exposed shape. Specifically, semi-circular locking notches 33, 33 are formed at the upper end 6 of the operating lever 9, and the locking pin 4 is fitted in and locked in the notches 33, 33 to connect. To be done. Also, the lower end 7
An operation knob 34 is attached to the operation knob 34, and the knob 34 is provided so as to be vertically movable in an operation groove 35 formed on the side surface 8 of the supporting leg member 18. The operation lever 9 is always elastically urged upward by an elastic member 11 such as a coil spring. Specifically, the upper end of the elastic member 11 has an upper end and a right and left side plate portions 2 of the rotating member 19.
The pull-up pin 36 attached to the 8, 28, the lower end is the operation lever 9
Are attached to fastening pins 37 such as screws attached to the respective. A guide piece 38 is provided in the supporting leg member 18 so as to be in sliding contact with the operating lever 9 when the operating lever 9 moves in the vertical direction.

As shown in FIG. 4, the locking pin 4 is locked in the locking grooves 3 and 3 in a state in which the leg body 2 is held in a downwardly extended state with respect to the root portion 1 of the leg. At the same time, it is elastically urged upward through the operating lever 9 so that the locking pin 4 does not separate from the locking grooves 3 and 3 arbitrarily (see FIG. 1). The protruding piece portions 29, 29 of the rotating member 19 are fixed to the upper flat portion 39 of the supporting leg member 18 by a fixing tool such as a screw (not shown). Then, the lower end surface of the covering member 15 contacts the flat portion 39, and the entire load is transmitted to the supporting leg member 18.

To bend the leg body 2 around the leg root 1, use the top frame
With 12 slightly raised, as shown in FIG. 1, the anti-slip piece 34 of the operating lever 9 is pushed down in the direction of arrow B, and the locking pin 4 is lowered as shown by the phantom line in the figure. After being released from the locking groove 3, the leg body 2 is rotated around the pivotal portion 10 as shown by arrow A so as to be bent. in this case,
The operation of the operation lever 9 and the bending operation of the leg body 2 are
Both can be done with the same hand. As shown in FIG. 5, when the locking pin 4 is disengaged from the locking groove 3, the hand may be released from the operation lever 9, and the arrow A of the leg body 2 may be released.
When rotating in the direction, the locking pin 4 rolls or slides along the lower end edges of the hanging pieces 24, 24. In this way, as shown in FIG. 6, the leg body 2 can be bent inward by about 90 degrees (see FIG. 7).

Regarding the bending operation lever 9, as shown in FIG. 8, the lower end 7 may be exposed to the lower end surface 40 of the leg body portion 2, and specifically, it is formed on the lower end surface 40. The lower end 7 having a finger insertion hole is internally provided in the recess 41 so that it can be operated below the leg body 2.

In the above embodiment, the operation lever 9 is elastically biased upward by the elastic member 11, but unlike this, the locking pin 4 may be elastically biased upward. In this case, a compression elastic member is provided below the locking pin 4 (not shown).

Although illustration is omitted, a connecting piece may be integrally provided on the side plate portions 28 of the rotating member 19, and the upper end of the elastic member 11 may be fixed to the connecting piece.

As described above, by engaging and disengaging the locking pin 4, the leg body 2 can be held in a downwardly extended shape or in a bent shape, so that there is no complicated operating portion and failure is unlikely to occur. . In the embodiment shown in FIG. 1, the rotating member 19 and the operating lever 9 can be provided on the upper end portion 5 of the supporting leg member 18, and the fixing member 16 is simply the pivotal supporting portion 10 and slightly above it. Since it is provided with the engaging grooves 3 and 3 provided in the above, it is possible to make all of them into a compact shape.

[Effect of device]

Since the present invention is configured as described above, it has the following effects.

The bending operation including the operation of the operation lever 9 can be easily and quickly performed with one hand.

The locking pin 4 has side plates 28, 28 reinforced by the rear plate 30.
Since the pair of elongated guide grooves 32, 32 are supported in a left-right both-sided manner, even if an external force such as bending or twisting acts on the leg main body 2, the locking grooves 3, 3 are surely held. Can be maintained in a locked (upright) state with no wobbling. Moreover, since the fixing member 16 is also reinforced by the rear vertical plate portion 25, the leg root portion 1 and the leg main body portion 2 can be made strong, robust and excellent in durability.

Further, the fixing member 16 includes vertical plates 22 and 22, hanging pieces 24 and 24.
The (locking grooves 3, 3) and the rear vertical plate portion 25 are integrally formed, and the rotating member 19 also includes the side plate portions 28, 28 (guide grooves 32,
32) and the rear plate portion 30 are integrally formed, so that they are assembled (connected) and the covering member 15 for both is assembled.
Also, the assembling to the supporting leg member 18 becomes extremely easy, and the assembling work does not take time.

[Brief description of drawings]

FIG. 1 is a sectional side view of an enlarged main portion showing an embodiment according to the present invention, FIGS. 2 and 3 are enlarged perspective views of the enlarged main portion with parts omitted, and FIG. 4 is a IV-IV of FIG. Sectional views, FIGS. 5 to 7 are explanatory views of operation, and FIG. 8 is a sectional side view showing another embodiment. DESCRIPTION OF SYMBOLS 1 ... Leg root part, 2 ... Leg body part, 3 ... Locking groove, 4 ... Locking pin, 5 ... Upper end part, 6 ... Upper end, 7 ... Lower end, 8 ... Side surface, 9 ...
Bending operation lever, 10 ... Pivot, 11 ... Elastic member, 40 ...
Bottom edge.

Claims (1)

[Scope of utility model registration request] 1. A home kotatsu comprising a leg root portion 1 and a leg main body portion 2 swingably moved around a pivotal support portion 10 of the leg root portion 1 and attached to the leg root portion 1 so as to be bendable. The leg base 1 is provided with a lower opening-shaped covering member 15 and a fixing member 16 fixed in the covering member 15, and the leg body 2 has a hollow shape. A support leg member 18 and a rotating member 19 fixed to an upper end portion of the support leg member 18 are provided, and the fixing member 16 includes a pair of left and right vertical plate portions 22 and 22, and both vertical plate portions 22 and 22. A pair of left and right hanging pieces 24, 24 arranged between 22
And a rear vertical plate portion 25 that connects the rear surfaces of the vertical plate portions 22 and 22 and the rear surface portions of the both hanging piece portions 24 and 24 integrally with each other. The locking groove 3 is formed, and the rotating member 19 integrally has a pair of left and right side plate portions 28, 28 and a rear plate portion 30 connecting the rear surfaces of the both side plate portions 28, 28, Each side plate portion 28 of the rotating member 19 above the supporting portion 10
A vertically elongated guide groove 32 is formed on the inner surface of the vertical plate portions 22, 22 of the fixing member 16.
The side plate portions 28, 28 are made to be close to each other or slidably in contact with each other and swingably connected by a connecting pin 26 to form the pivotal support portion 10, which is disposed at the upper end portion 5 in the leg main body portion 2. At the same time, an engaging pin 4 which can be engaged with and disengaged from the engaging groove 3 is inserted into and supported by the guide groove 32 of the rotating member 19 so as to be vertically movable. 7 is provided with a bending operation lever 9 exposed on the side surface 8 or the lower end surface 40 of the leg body 2, and the operation lever 9 or the locking pin 4 is provided.
A leg for a home kotatsu, which is provided with an elastic member 11 such as a coil spring that constantly elastically urges the upper part of the arm.