JPH0638783B2 - Double lid opener - Google Patents

Description

TECHNICAL FIELD The present invention relates to an opening / closing device for a double lid in a Western style toilet bowl and various other types of appliances.

(Prior Art) Conventionally, for example, in a Western style toilet provided with a double lid including an upper lid and an inner lid, only the upper lid is opened for female use, and both lids are opened for male use. Such selective opening and closing of the double lid is performed by the toilet user manually raising and lowering the lid, which is not only troublesome to operate, but also has the drawback of being unsanitary.

(Problems to be Solved by the Invention) An object of the present invention is to provide an opening / closing device for a double lid such as a toilet bowl that can selectively open and close only the upper lid or the upper lid and the inner lid by pedal operation. .

(Means for Solving the Problems) In order to solve the above problems, a double-lid opening / closing device of the present invention is provided with an inner lid and an upper lid located on the inner lid by a rotation shaft rotatably supported in an opening of an appliance body. In which the rotary shaft is a cylindrical shaft, the inner lid is rotatably supported by the rotary shaft, and one end portion of the rotary shaft is at the center of the inner lid. An annular recess is formed on the end surface of the boss from the inner peripheral surface to an appropriate diameter, and a plurality of clutch grooves extending radially from the inner peripheral surface of the boss to an appropriate diameter are equally spaced on the bottom surface of the recess. The clutch operating rod is axially slidably inserted into the shaft hole of the rotating shaft, and the clutch pin projecting diametrically on the outer peripheral surface of the inserting portion of the operating rod is formed into the elongated hole of the rotating shaft. Between the inner lid and the rotating shaft, which penetrates through and is projected into the recessed portion. A clutch mechanism that can be disengaged is provided, and the upper lid is connected to the rotary shaft so that rotation can be transmitted. A rotary drive pedal lever that rotates the rotary shaft, and a clutch opening and closing pedal lever that engages and disengages the clutch mechanism. Is arranged so that it can be operated, and is equipped with interlocking means for operating the rotary drive pedal lever when the clutch opening / closing pedal lever is operated. Hereinafter, an example in which the double lid of the Western style toilet is implemented will be described with reference to the drawings.

(Embodiment) In FIGS. 1 and 2, a pair of left and right brackets (2) and (2) are projectingly provided on the rear upper surface of the toilet body (1) whose upper surface is opened, and the brackets (2) and (2) are attached to the brackets (2) and (2). On the rotating shaft (3) that is rotatably supported,
Boss (5) of the annular inner lid (4) and the upper lid located on it
Support the bosses (7) and (7) of (6) respectively, and attach both lids (4) and (6) from the position where the open top surface of the toilet body (1) is closed to the open position that is slightly over 90 degrees. It is swingably and freely supported.

First, the rotation drive mechanism of the rotating shaft (3) will be described. First, the rotary shaft (3) is, as shown in FIG.
It is a cylindrical shaft on which the boss (5) of the inner lid (4) is openably and closably supported, and the bosses (7) and (7) of the upper lid (6) are fixed screws.
When the rotation shaft (3) is rotationally driven, the rotation is immediately transmitted to the upper lid (6) by being fixed by (8) and (8). At one end of the rotary shaft (3) as described above, the casing (9) is fixed to the toilet body (1) as shown in the third illustration, and one end of the rotary shaft (3) is provided in the casing (9). The protrusion is extended and the pinion (10) is fixed to the protruding end with a fixing screw (11), and the rack (12) engaged with the pinion (10) is inserted into the casing (9) as shown in the first and second drawings. A guide groove (13) laid vertically is slidably engaged, and a rod (14) fixed to the lower end of the rack (12) penetrates the casing (9) and projects downward, while On one side of the toilet bowl, the bracket (15) protruding from the floor (F) as shown in the first and second illustrations, the rotary drive pedal lever (16) is directed in the front-rear direction, and the shaft is provided at the intermediate portion of the lever. (17) is swingably supported, and the rear end of the pedal lever (16) is connected to the rod (1) through a connecting link (18).
4) are connected to the lower ends of the pedals, respectively, and the front end of the pedal lever (16) is formed on the pedal (19) and
A knock pin unit (20) is vertically provided on the lower surface of (19). The knock pin unit (20) has been generally used in the past, and the pin (20b) is inserted and held in the cylinder (20a) containing a spring and a locking mechanism, and the pin (20b) is slightly pushed during use. When the pin (20b) is pushed again, the pin is retracted and locked in that state.

In this case, when the upper lid (6) is closed, the pedal (19) rises appropriately, and the pin (20b) of the knock pin unit (20) protrudes and is appropriately separated from the floor (F) surface. ), The pedal lever (16) swings counterclockwise in FIG. 1 to raise the rack (12) via the connecting link (18) and rod (14), and the pinion (10) meshing with it Fig. 1 Rotate the rotation shaft (3) in the same direction by rotating it clockwise so that the top cover (6) is opened to a position where it is rotated a little further, with the dead point at the 90-degree rotation position. There is.
In this way, the upper lid (6) that has reached the open position beyond the dead center stays at that position, and accordingly, the pedal (19) also stays at the lowered position.

The pin (20b) of the knock pin unit (20) is the cylinder
The length of the elastic projection from (20a) is that the pedal (19) rises by the protruding length and swings the upper lid (6) from the open position to the position slightly beyond the dead center in the closing direction. Designed to the required length.

The clutch mechanism between the rotary shaft (3) and the inner lid (4) is as follows.

At one end of the rotary shaft (3), at the end face of the boss (5) of the inner lid (4), an annular ring having an appropriate diameter from the inner peripheral surface of the boss (5) as shown in FIGS. The recessed part (21) of
A plurality of clutch grooves (22) radially extending from the inner peripheral surface of the boss (5) to an appropriate diameter on the bottom surface of the recess (21) (6 in this example).
The clutch operating rod (23) is slidably inserted in the axial hole of the rotary shaft (3) in the axial direction, and the outer peripheral surface of the insertion portion of the operating rod (23) is formed. Two clutch pins (24) and (24) projecting in the diametrical direction to the long hole of the rotary shaft (3).
It penetrates through (25) and (25) and protrudes into the above-mentioned recessed part (21), whereby the clutch rod (24) and (24) are used as keys to make the actuating rod (23) and the rotary shaft (3) relative to each other. Non-rotatably connected to the clutch pin (2
4) When the (24) is engaged with the clutch groove (22), (22), rotation can be transmitted between the rotary shaft (3) and the inner lid boss (5) via the clutch pin (24), (24). Is connected (clutch closed), and when disengaged, the above connection is released (clutch open). In addition,
The long holes (25) and (25) are formed from the concave portion (21) to the clutch groove.
(22) It has an axial length that is almost equal to the axial depth reaching the bottom surface.

The other end of the operating rod (23) projects into the casing (9), and the operating rod is wound by a coil spring (27) wound between the flange (26) near the projecting end and the end surface of the rotating shaft (3). Is always elastically released in the direction of clutch opening, that is, the protruding direction of the operating rod, and the linear cam (28) in contact with the protruding end of the operating rod (23) is inserted into the casing (9) as shown in the second and third drawings. A guide groove (29) laid vertically on the cam (28) is slidably engaged, and a rod (30) fixed to the lower end of the cam (28) penetrates the casing (9) and projects downward. . Above Cam (28)
Is a sloped surface (28a) for lift having a lift corresponding to a moving distance required for engaging and disengaging the clutch pins (24) and (24) with the clutch grooves (22) and (22) as shown in FIG. ) And the inclined surface
It has a short stationary vertical surface (28b) and a long stationary vertical surface (28c) continuous with the skirt and the top of (28a), respectively.

On the other hand, on one side of the toilet bowl, the clutch opening / closing pedal lever (31) is swingably attached to the bracket (15) by the shaft (32) in parallel with the pedal lever (16) as shown in the first and second drawings. Support and connect the rear end of the pedal lever (31) to the connecting link (3
Connect each pin to the lower end of the rod (30) via 3),
The front end of the pedal lever (31) is formed on the pedal (34), and the interlocking piece (35) is projected from the pedal (34) onto the pedal (19). Reference numeral (36) is a spring supported by the shaft (32), which constantly repels the pedal lever (31) in a direction in which the pedal (34) moves upward.

In this case, the pedal (34) is the pedal (1
When it is elastically held by the spring (36) at a position slightly higher than 9), and the cam (28) is in its holding state, the cam (28) has its stationary vertical surface (28b) at the end of the clutch operating rod (23). And the clutch is in the open state. When the pedal (34) is depressed, the interlocking piece (35) depresses the other pedal (19) with a slight delay.

The operation of the opening / closing position in the above example will be described below together with the operation. First, when opening the upper lid (6) from the closed state of FIG. 1, step on the pedal (19) with the foot and push the pin of the knock pin unit (20).
(20b) retracts toward the floor (F) surface, while the rack (12) rises and the pinion (10) and rotating shaft (3) rotate clockwise in FIG. 1, which causes the boss (7) to pass through. The upper lid (6) swings open. The top lid (6) opens to the position beyond the dead point and stays there, and the pedal (19) also stays in the lowered position. If you want to close the upper lid (6) after using the toilet bowl, step on the pedal (19) in the lowered position and press the knock pin unit (2).
The pin (20b) of (0) can be projected by hitting the floor (F) surface, then when the foot is removed, the pin (20b) protrudes, the pedal (19) rises by the protruding length, and the rack (12 ) Is lowered and the pinion (10) and the rotating shaft (3) are slightly rotated counterclockwise in FIG. 1, which causes the upper lid (6) to slightly swing in the closing direction via the boss (7). After passing the dead point, it swings to the closed position by its own weight.

Next, when the upper lid (6) and the inner lid (4) are both opened from the closed state of FIG. 1, when the pedal (34) is stepped on with the foot, the cam (2
8) ascends, and the lift slope (28a) moves the clutch actuating rod (23) to the left in Fig. 3 to close the clutch, and after a slight delay, the other pedal (19) is interlocked. Piece
Descend along with the pedal (34) above via (35),
The pinion (10) and the rotary shaft (3) rotate in the clockwise direction as shown in FIG.
However, the inner lid (4) simultaneously swings open in the same direction via the closing clutch. Both lids (6), (4) open to a position beyond the dead point and stay in that position, with which the pedal (19) remains in the lowered position and the rack (12) remains in the raised position.
The spring (36) returns the spring (34) to its original raised position, which causes the cam (28) to descend again and open the clutch. The knock pin unit (20) can retract its pin (20b) when the pedal (19) associated with the pedal (34) is lowered. When closing the upper lid (6) and the inner lid (4) after using the toilet bowl, first step on the pedal (19) in the raised position to raise the cam (28) first,
The actuating rod (23) moves to the left in FIG. 3 to close the clutch, and then the other pedal (19) in the lowered position after a slight delay is moved to the pedal (34) via the interlocking piece (35). With this, the pins (20b) retracted by the knock pin unit (20) can hit the floor (F) surface and project therefrom. Here, when the foot is removed, the pin (20b) protrudes, the pedal (19) is pushed up by the protruding length, and at the same time, the pedal (34) also rises by the spring of the spring (36), and one pedal Depending on the rise of (19), the rack (12) is slightly lowered and the pinion (10) and the rotary shaft (3) are slightly rotated counterclockwise in FIG. 1, whereby the top cover (6) is closed. The cam (28) begins to descend when the other pedal (34) rises, with a slight swing exceeding the dead center, but the end of the actuating rod (23) causes the long vertical vertical surface (28c) of the cam to stop. ) (While the clutch is closed) via the rotary shaft (3), the inner lid (4)
Also swings together with the upper lid (6) in the same direction to exceed the dead point, and then both lids (6), (4) swing by their own weight to the closed position. During the closing swing of the inner lid (4), the end of the actuating rod (23) contacts the stationary vertical surface (28b) via the inclined surface (28a) of the cam and opens the clutch. In the closing swing of the both lids (6), (4), even if the opening of the clutch is performed at the same time as the swing or faster than the swing, the inner lid (4) is rearwardly moved to the upper lid (6). It is pushed by and it is rocked closed.

(Effect of the Invention) According to the double lid opening / closing device of the present invention, it is possible to arbitrarily and surely perform the opening / closing of only the upper lid and the simultaneous opening / closing of the upper lid and the inner lid by selectively operating the rotary drive pedal lever and the clutch opening / closing pedal lever. The present invention can be effectively used for a double lid in various devices and apparatuses, and in particular, when it is used for a double lid of a Western-style toilet bowl, a hygienic advantage can be obtained.

[Brief description of drawings]

Drawing shows an embodiment of the present invention, Fig. 1 is a partially omitted side view of a Western-style toilet, Fig. 2 is a partially omitted plan view of the same, and Fig. 3 is an enlarged sectional view taken along line III-III of Fig. 2. Figure 4 is IV-IV in Figure 3.
It is a line sectional view. 1 ... Toilet body, 3 ... Rotating shaft, 4 ... Inner lid, 5 ... Boss, 6 ...
Upper lid, 16 ... Rotation drive pedal lever, 21 ... Recessed portion, 22 ... Clutch groove, 23 ... Clutch operating rod, 24 ... Clutch pin, 31 ... Clutch opening / closing pedal lever, 35 ... Interlocking piece.

Claims (1)

[Claims] 1. A device in which an inner lid and an upper lid located thereon are swingably and rotatably supported by a rotating shaft rotatably supported in an opening of an instrument body, wherein the rotating shaft is a cylindrical shaft, The inner lid is rotatably supported by the rotary shaft, and at one end of the rotary shaft, an end of the boss of the inner lid is provided with an annular recessed portion having an appropriate diameter from its inner peripheral surface. A plurality of clutch grooves radially extending from the inner peripheral surface of the boss to an appropriate diameter are formed at equal intervals on the bottom surface of the recess, and the clutch operating rod slides axially in the shaft hole of the rotary shaft. A clutch pin, which is freely inserted and projects in the outer peripheral surface of the insertion portion of the operating rod in the diametrical direction, penetrates through the elongated hole of the rotary shaft and projects into the recessed portion. Equipped with a clutch mechanism that can be freely disengaged, and the upper lid can transmit rotation to the rotary shaft. A rotary drive pedal lever for rotating the rotary shaft and a clutch opening / closing pedal lever for engaging and disengaging the clutch mechanism, and the rotary drive pedal lever for operating the clutch open / close pedal lever. A double lid opening / closing device equipped with interlocking means that can also be operated together.