JP2902821B2 - Home snack leg - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a leg for a home diaper.

[0002]

2. Description of the Related Art A conventional telescopic leg has an inner cylinder and an outer cylinder which are slidable with each other, and the inner and outer cylinders are locked by a locking mechanism using screws, pins and the like to extend the leg. The locking mechanism is provided in the inner and outer cylinders so that the holding mechanism can be held in the retracted state and the contracted state, respectively.

[0003]

However, in the conventional leg, the locking mechanism is extremely complicated, the number of parts is large, and the production cost is high. In addition, the operation of extending and retracting the legs is troublesome and cannot be easily performed.

Accordingly, an object of the present invention is to provide a home diaper leg that can be easily expanded and contracted and can be manufactured at a low cost with a simple structure.

[0005]

[0006]

According to the present invention, an operating body is provided on the slide cylinder so as to be rotatable about a vertical axis, and a vertical linear part and a linear linear part are provided on the sliding cylindrical body. A locking groove having a plurality of locking portions communicating with each other at right angles,
The operating body is further provided with a locking pin held by the leg body inserted through the locking groove, and the operating body is elastically urged about a vertical axis to lock the locking pin on the locking pin. A resilient member for locking the locking portion of the groove is interposed between the operating body and the slide cylinder.

[0007]

[Function] The home garbage leg provided with a locking groove in the leg body,
When the locking pin is located at the locking portion of the locking groove, the operating body is elastically urged around the vertical axis by the resilient member, and the locking pin held by the operating body is moved to the locking portion. The locked state is maintained by being locked at one end (opposite to the linear portion), and the leg body and the slide cylinder are locked without sliding each other.

Further, if the operating body is rotated about the vertical axis against the resilient urging force of the resilient member from the locked state, the locking pin is disengaged from the locking portion and becomes a linear portion. In, thereby allowing the slide cylinder to slide.

Further, if the operation body is pulled downward while rotating the operation body about the vertical axis, the slide cylinder can be extended, and if the operation body is free, the resilient member can be formed. The locking pin is locked to one of the locking portions of the locking groove by the elastic force to maintain the locked state. Therefore, the length of the leg can be freely changed in a plurality of steps.

[0010] In the home goat leg in which the operating body is provided with a locking groove, the operating body is resiliently urged around the vertical axis by a resilient member, and the locking pin held by the leg body is One end of the locking portion is locked, the locked state is maintained, and the locked state is established.

Further, when the operating body is pulled downward while being rotated against the elastic force, the locking of the locking portion to the locking pin is released, and the slide cylinder is extended. When the operating body is set in the free state in this state, the locking portion is locked to the locking pin, and the locked state is established.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing embodiments.

FIGS. 1 and 2 show a leg for a home diaper according to the present invention. The leg comprises a leg body 1 and a slide cylinder 2 slidably mounted on the leg body 1 in the longitudinal direction.
And

The leg body 1 has a cylindrical portion 3 having a lower opening, and a core 4 mounted in the cylindrical portion 3.

The core 4 has a fitting portion 5 fitted to the tubular portion 3, a mounting portion 8 attached to the tubular portion 3 via a fixing tool 7 such as a screw, and a vertically extending portion from the fitting portion 5. A cylindrical hanging peripheral wall 9 to be formed, and at the lower end of the hanging peripheral wall 9, locking grooves 10, 10 are provided facing each other.

The locking groove 10 has a vertical linear portion 11.
And a plurality of locking portions which are connected to the linear portion 11 so as to be orthogonally connected thereto.
In the illustrated example, the locking portions 12 are connected to both ends and the center portion of the linear portion 11, respectively, to form a substantially E-shape.

Thus, the slide cylinder 2 has an upper opening shape, and a concave wall 14 is formed in the bottom wall 13 thereof, and an insertion hole 15 and a spring locking hole 16 are formed through the concave wall 14. Have been.

Next, as shown in FIGS. 1 to 4, the operating body 17 comprises a bottomed cylindrical main body 18 and an operating knob 19. At the upper end of the main body 18, holding holes 29, 29 for inserting and holding the locking pins 28 are formed, and at the lower surface of the main body 18, a fitting shaft 20 is vertically provided. The shaft 20 has a square pillar portion 21 and a female screw portion into which a fixing tool 26 such as a screw is screwed.

The operation knob 19 has a square hole 24 formed so as to be able to be inserted into the concave recess 14 of the slide cylinder 2 and to be fitted into the square pole portion 21 of the operation body 17. further,
The operation knob 19 has a shallow dish-shaped seat 25 and a downwardly projecting projection.
Has 23. At the center of the projection 23, a fixing member 26 is provided.
A through hole is formed, and a spring engagement hole is formed at one end.
27 are formed.

Then, the operating body 17 is slidably inserted into the core 4 of the leg body 1, and the retaining pins 28 are inserted through the holding holes 29, 29 of the operating body 17, and are held. Lock groove 10
To be able to move inside, and inserted into the locking groove 10.

Further, the fitting shaft 20 of the operation knob 19 is
The operation knob 19 and the main body 18 are fixed to each other with the fixing member 26, and the operation body 17 is attached to the slide cylinder 2 so as to be rotatable around the vertical axis.

Further, between the operation body 17 and the slide cylinder 2, the operation body 17 is elastically urged around the vertical axis to lock the locking pin 28.
A resilient member 30 such as a mainspring spring or a torsion coil spring for interlocking with the engaging portion 12 of the engaging groove 10 is interposed.

That is, the both ends of the resilient member 30 are engaged with the concave recesses 14 and the spring retaining holes 16 and 27 of the operation knob 19, and
Is provided between the seat 25 of the operation knob 19 and the concave portion 14 of the slide cylinder 2.

The resilient member 30 resiliently urges the operating body 17 in the direction of the arrow A about the vertical axis, and engages the locking pin 28 held by the operating body 17 as shown in FIG. It is locked to one end 12a of the locking portion 12 of the stop groove 10, and this state is maintained.

A method of using the leg for a home diaper configured as described above will now be described.

First, as shown in FIG. 5, the operating knob of the operating body 17 is opposed to the elastic urging force of the elastic member 30 in the direction of arrow A.
When the turning member 19 is rotated in the direction of arrow B, the locking pin 28 held by the operating body 17 is disengaged from the locking portion 12 at the upper end of the locking groove 10 and enters the linear portion 11.

When the operating knob 19 of the operating body 17 is pulled in the direction of arrow C while being rotated in the direction of arrow B from the state of FIG. 5, the slide cylinder 2 together with the locking pin 28 is moved in the direction of arrow C. Pulled. Then, as shown in FIG.
The center of the linear portion 17 of the locking groove 10 (the other end of the central locking portion 12).
12b).

In this state, when the rotation of the operating body 17 in the direction of arrow B is released, the operating body 17 is elastically urged by the elastic member 30 in the direction of arrow A about the vertical axis, and the locking groove is formed. 10 straight sections
It comes off from 11 and enters the central locking portion 12. Then, as shown in FIG. 7, the locking pin 28 is connected to one end 12a of the locking portion 12 of the locking groove 10.
Is locked.

Therefore, according to this leg, the operating knob 19 of the operating body 30 is picked up with a finger from the state shown in FIG. 1 (that is, the short state), turned in the direction of arrow B, and pulled in the direction of arrow C. Then, the locking of the locking pin 28 to the locking portion 12 is released, and FIG.
As shown in FIG. 7, the slide cylinder 2 can be in the elongated state in which it is extended, and when the rotation of the operating body 17 in the direction of the arrow B is released in this state, the locking as shown in FIG. The pin 28 is locked to the locking portion 12 to be in a locked state.

Further, from this long state, the operating body 17 is moved by the arrow B.
After the lock member 28 is turned to the unlocked state as shown in FIG. 6, the locking pin 28 is not locked to the locking portion 12 again by the resilient urging force of the resilient member 30. Body 2 with leg body 1
As shown in FIG. 5, the locking pin 28 is
It is in a state of being located at the upper end of the linear portion 11 of FIG.

In this state, when the finger is released from the operation knob 19 of the operation body 17 to be in a free state, the locking pin 28 is moved to the resilient member.
Locked to the locking portion 12 at the upper end at 30, as shown in FIG.
It can be in a short locked state.

Further, the locking groove 10 is formed by the same operation as described above.
The locking pin 28 is engaged with and disengaged from the locking portion 12 at the lower end of the slide cylinder 2, and the slide cylinder 2 can be brought into the locked state or the unlocked state. Therefore, the length of the leg can be freely changed in a plurality of steps, which is convenient.

At the lower end of the peripheral wall 31 of the slide cylinder 2, a stepped portion 32 is provided. In the short state shown in FIGS. 1 and 2, the slide cylinder 2 is inserted into the leg body 1. And
The lower end surface 33 of the leg body 1 contacts the stepped portion 32. Further, the legs for the home diaper are used by being attached to a diaper body (not shown) by a fixing tool such as a bolt.

FIG. 8 shows another embodiment of the present invention.
10 is provided on the operating body 17, and the locking pin 28 is attached to the core 4 of the leg body 1.
5 shows a case where the retaining pin 28 is inserted into the retaining groove 10 while being retained in the retaining hole formed in FIG.

In the case of the embodiment shown in FIG.
The operating body 17 is resiliently urged in the direction of arrow D around the vertical axis, and one end 12a of the locking portion 12 of the locking groove 10 is fitted to the locking pin 28 held by the core 4 of the leg body 1. Lock and hold this state.

Thus, the resilient member 30 is moved from the short state shown in FIG.
When the operating knob 19 of the operating body 17 is pulled in the direction of arrow C while rotating in the direction of arrow E against the urging force in the direction of arrow D of FIG. The lock to the lock member 28 is released, and the slide cylinder 2 can be in the elongated state in which the slide cylinder 2 is extended. It is locked by the pin 28 to be in a locked state.

After the operating body 17 is turned in the direction of arrow E from the long state to the unlocked state, the locking portion 12 is again brought into contact with the locking pin 28 by the elastic urging force of the elastic member 30. Push the slide cylinder 2 into the leg body 1 so that it does not
Is in a free state, a short lock state can be achieved. In this way, the length of the leg can be freely changed in a plurality of steps.

As shown in FIG. 9 and FIG.
It is also desirable to have a structure that can be folded and unfolded on a top plate (not shown).

That is, a ridge 35 is projected from the upper wall 34 of the cylindrical portion 3 of the leg body 1, and the lid member 6 is attached to the ridge 35. In addition, the raised portion 35 includes left and right walls 35a, 35b and an inner wall 35c.
And a curved wall 35d continuously provided from the upper end of the inner wall 35c to the upper wall 34 of the cylindrical portion 3. The core 4 has a fitting portion 36 to be fitted to the protrusion 35.

The leg body 1 is pivotally attached to the lid member 6 via the pivot 46 so as to be freely foldable and deployable. The folding and unfolding operation is performed by the operation mechanism M shown in FIGS. 9 and 10. Can be done through

As shown in FIGS. 11 and 12, the pivot shaft 46 is held by a holding frame 47 fixed to the lid member 6 and penetrates the left and right walls 36a and 36b of the fitting portion 36 of the core 4. The through holes 48, 48 are inserted. The holding frame 47 includes an upper wall 47a, left and right walls 47b,
A through hole for holding the pivot 46 is formed in the left and right walls 47b and 47c.

Accordingly, the leg body 1 can swing about the pivot 46, and can be deployed in the same straight line with respect to the lid member 6 as shown in FIG. As shown in the figure, the folded state may be substantially perpendicular to the lid member 6.

The operating mechanism M includes a swinging member 49 that is swingably held by the holding frame 47, a resilient member 50 that presses one end of the swinging member 49 toward the leg body 1, and In the state shown in FIG. 9, the swing of the leg body 1 is restricted.

That is, as shown in FIGS. 9 and 13, the swinging member 49 is fitted into a through hole 51 formed through the upper wall 47a of the holding frame 47, and has an inverted U-shaped cross section. Pressing portion 52, a tongue piece 53 protruding from the pressing portion 52, rising walls 54, 54 standing on the tongue piece 53, and an end portion rising through the rising walls 54, 54. A pivot shaft 55 protruding to the outside, and the end of the pivot shaft 55 is fitted into pivot recesses 56, 56 provided continuously with the through hole 51 of the upper wall 47 a. Therefore, the swing member 49 swings about the pivot shaft 55 as shown by arrows D and E in FIG.

The tip 53a of the tongue piece 53 is bent downward, and a groove 57 for holding one of the resilient members 50 is provided on the upper surface thereof.
And a ring-shaped groove 58 for holding the other of the resilient members 50 on the lower surface of the upper wall 6a of the lid member 6.
Accordingly, one end (that is, the tip 53 a) of the swing member 49 is constantly pressed toward the leg body 1 by the resilient member 50. A projection 67 is provided on the lower surface of the upper wall 6a of the lid member 6, and the projection 67 is in sliding contact with the pivot shaft 55 to prevent the swing member 49 from rattling.

The locking pieces 60, 60 project from the base end face 59 of the swinging member 49, and the upper end of the raised portion 35 of the leg body 1 is provided with the structure shown in FIGS. As shown, a fitting portion 61 is formed in which the tip 53a of the tongue piece 53 of the swinging member 49 fits in a detachable manner. That is, the fitting portion 61 is formed by the rising wall 62, the left and right walls 63a and 63b, and the flat upper end surface 64 of the raised portion 35.

Therefore, as shown in FIG. 9, in the unfolded state, the distal end 53a is fitted into the fitting portion 61, and the locking pieces 60, 60 are locked on the upper wall 47a of the holding frame 47. The expanded state is reliably maintained.

When the pressing portion 52 of the swinging member 49 exposed from the through hole 65 of the lid member 6 is pressed as shown by the arrow F from this state, the swinging member 49 pivots as shown in FIG. It swings around the support shaft 55 as shown by the arrow D, and the above-mentioned fitting and locking are released. Therefore, the swinging of the leg main body 1 becomes possible, and the folded state as shown in FIG. 15 can be achieved. In this folded state, the rising wall 62 forming the fitting portion 61 is locked in the locking recess 66 provided in the lid member 6.

Conversely, from the state shown in FIG.
As shown in FIG. 9, the tip 53a is fitted to the fitting portion 61 and the locking pieces 60, 60 are locked to the upper wall 47a. It will be deployed. In FIGS. 9, 14, and 15, reference numeral 68 denotes a fixing tool such as a bolt for attaching the leg to the kotatsu main body.

The present invention is not limited to the above-described embodiment, and the design can be freely changed without departing from the gist of the present invention. For example, the length dimensions and the outer shape of each leg body 1 and slide cylinder 2 Etc. can be changed freely, and the cylindrical operating body
17 can be freely fitted to the cylindrical core 4. In addition, the spring 30 may be a clock-spring spring.

The number of the locking portions 18 of the locking groove 7 can be freely increased or decreased, and it is desirable that the core 4 is slidably inserted into the operating body 17.

[0052]

Since the present invention is configured as described above, the following effects can be obtained.

The operation knob 19 of the operation body 17 is turned against the resilient urging force of the resilient member 30 and pulled downward, without being affected by the resiliency of the resilient member. , Can be easily and quickly entered,
The length can be changed in multiple steps, which is convenient.

In addition, the structure is simple, the number of parts is small, and the device can be manufactured at low cost. For example, only one locking pin 28 is required, and the shape of each part is not complicated and molding is easy.

[Brief description of the drawings]

FIG. 1 is a sectional side view showing an embodiment of the present invention.

FIG. 2 is a sectional front view of the same.

FIG. 3 is a perspective view of a main part.

FIG. 4 is a perspective view of a main part.

FIG. 5 is a sectional view of a main part for describing an operation.

FIG. 6 is a sectional view of a main part for describing an operation.

FIG. 7 is an essential part cross-sectional view for explaining an operation.

FIG. 8 is a cross-sectional side view showing another embodiment.

FIG. 9 is a sectional side view of a main part showing a modification.

FIG. 10 is a sectional front view of the main part.

FIG. 11 is a sectional view of the main part.

12 is a sectional view taken along line ZZ in FIG. 9;

FIG. 13 is a sectional view taken along line WW of FIG. 9.

FIG. 14 is a main-portion cross-sectional view for explaining operation;

FIG. 15 is a sectional view of a main part in a folded state.

[Explanation of symbols]

 1 Leg body 2 Slide cylinder 10 Locking groove 11 Linear part 12 Locking part 17 Operating body 28 Locking pin 30 Resilient member

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 62-102905 (JP, U) Japanese Utility Model Sho 58-124739 (JP, U) Japanese Utility Model Sho 59-38902 (JP, Y2) (58) Field (Int.Cl. ⁶ , DB name) F24C 15/08 A47B 9/14 A47B 9/20

Claims (1)

(57) [Claims] 1. A leg for a home nugget comprising a leg main body 1 and a slide cylinder 2 slidably mounted on the leg main body 1 along a longitudinal direction, wherein the operating body 17 is provided with the slide body.
While being provided on the id cylinder 2 so as to be rotatable around the vertical axis,
The vertical linear portion 11 communicates with the linear portion 11 at right angles.
The locking groove 10 having a plurality of locking portions 12
A lock provided on the body 17 and further held by the leg body 1
The pin 28 is inserted through the locking groove 10 and the operation body 17
Is resiliently urged around the vertical axis, and
A resilient member 30 for locking the locking portion 12 of the locking groove 10
Is interposed between the operation body 17 and the slide cylinder 2.
Home stand Yoashi, characterized in that it was.