JPH102367A - Damping device for rotary cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the mounting of a rotary cover without coupling directly to a support shaft to support a rotary cover and to provide a damping device for the rotary cover after-mounting of which is practicable. SOLUTION: A rotary shaft 3 formed in a hollow state is disposed in a body case 2 with one end protruding to the outside. A liquid passage to pass viscous liquid with which a gap provided between the outer surface of the rotary shaft 3 and the inner surface of the body case 2 is filled is formed in the rotary shaft 3. A pair of protrusion walls 31 and 32 are arranged along a peripheral direction with a given distance therebetween. A movable valve 4 is disposed such that the outer surface thereof is brought into slide contact with the inner surface of the body case 2 and when the rotary shaft 3 is rotated in one way, the liquid passage having two protrusion walls 31 and 32, making a pair, is closed thereby and when it is rotated in other way, the liquid passage is released thereby. A spring member to energize the rotary shaft 3 in the release direction of the rotary cover in a normal state is disposed. An arm is arranged such that the base end part thereof is coupled to one end of the rotary shaft 3 and the tip part thereof makes contact with the proper position of the rotary cover. This constitution delays closing operation of the rotary cover through an arm.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shock-absorbing device for alleviating the impact of a collision with a main body at the end of closing rotation of a rotary lid or the like.

[0002]

2. Description of the Related Art A rotating base is supported via a support shaft on the upper part of a main body such as a toilet seat or a toilet lid of a Western-style toilet or a lid of a piano or a laptop computer, and the other end is connected to a free end. It is provided so as to be rotatable in the vertical direction within a rotation angle of about 0 degrees to about 120 degrees (in the present specification, such lids are collectively referred to as “rotating lids or the like”). Therefore, when closing the rotary lid or the like, if the hand is not closed by hand until the end, it may collide at the final point of the closing rotation, generating a loud impact sound and causing damage.

For this reason, recently, various rotary dampers utilizing the viscous resistance of a liquid or frictional resistance have been connected to a support shaft such as a rotary lid or the like, and the rotary shaft has been closed. Something that delays is commercially available.

[0004]

However, a device incorporating such a rotary damper from the beginning (for example, a Western-style toilet) is generally expensive. For example, in the case of a Western toilet, there are quite a few homes and offices that already have a Western toilet. Therefore, as long as there is no other inconvenience, it is not common practice to replace the entire Western-style toilet simply by delaying the closing operation of the toilet seat or the toilet lid. This is the same for other devices and devices, and it is desired to provide a shock absorber that can be easily retrofitted.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and has a simple structure and can be easily attached without directly connecting to a support shaft supporting a rotary lid or the like. It is another object of the present invention to provide a shock absorber such as a rotating lid that can also be used.

[0006]

In order to achieve the above object, a shock absorber such as a rotary lid according to the present invention is provided in a main body case with one end protruding outward, and is provided in a hollow body. A rotating shaft formed, and a liquid passage through which a viscous liquid filled in a gap formed by the outer surface of the rotating shaft and the inner surface of the main body case is provided. When the pair of two protruding walls are provided, the outer surface thereof is in sliding contact with the inner surface of the main body case, and when the rotating shaft rotates to one side, the liquid passage of the two pair of protruding walls is closed, and when the other side rotates, A movable valve that opens the liquid passage, a spring member that is disposed in a hollow portion of the rotating shaft and normally urges the rotating shaft in an opening direction such as a rotating lid, and a base end at one end of the rotating shaft. While being connected, the tip is provided so as to be able to abut on an appropriate position such as a rotating lid. And having an arm, the.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail based on embodiments shown in the drawings. In the figure, 1
1 shows a cushion device for a toilet seat or a toilet lid of a Western-style toilet according to the present embodiment, which has a main body case 2, a rotating shaft 3, a movable valve 4, a spring member 6, an arm 7 for a toilet seat, an arm 8 for a toilet lid, and the like. It is configured. 1 to 5 show a shock absorber 1 used for a toilet seat, and FIGS. 6 and 7 show a shock absorber 1 'used for a toilet lid.
8 are made of the same members except that they have different shapes. Therefore, common members will be described with the same reference numerals. Further, since the structure inside the main body case 2 is completely the same, only the internal structure of the cushion device 1 for a toilet lid is shown in the drawings, and the internal structure of the buffer device 1 'for a toilet lid is omitted.

The main body case 2 has an insertion hole in one end wall 2a for projecting one end 3a of a rotating shaft 3 to be described later, is formed in a substantially cylindrical shape with an open end 2b, and has a hollow portion 2c.
In addition, a rotating shaft 3 to be described later can be loaded from the direction of the opened other end 2b. This main body case 2 is shown in FIGS.
As shown in FIG. 3, the base 2d is formed flat so as to be installed horizontally on the upper surface of the toilet main body 10, so that it is easy to install on the upper surface of the toilet main body 10. In the present embodiment, as shown in FIG. 4, two partition walls 2 e and 2 f that partition the inside of the main body case 2 in the circumferential direction protrude inward at positions facing each other and extend in the axial direction. It is provided along. The partition walls 2e and 2f are connected to a rotating shaft 3 described later.
The gaps formed by the inner surface of the main body case 2 and the outer surface of the rotary shaft 3 and filled with the viscous liquid are further circumferentially partitioned by the protruding walls 31 and 32 formed in the main body case 2 to form a liquid chamber. The number of sets of the protruding walls 31 and 32 and the number of movable valves 4 are provided by the same number as the number of partition walls 2e and 2f. In the present embodiment, as described above, the two partition walls 2
Although e and 2f are provided, one may be provided.

The means for fixing the main body case 2 to the upper surface of the toilet body 10 is not limited. You may make it adhere using a double-sided tape, and you may make it fix using a bolt.

The rotating shaft 3 is formed in a hollow shape. this is,
This is because the spring member 6 for urging the rotation shaft 3 to rotate in the opening direction of the toilet lid or the toilet seat in the normal state is provided inside the rotation member 3.
There is an advantage that the entire 1 'can be prevented from being enlarged. Specifically, as shown in FIGS. 2 and 3, the rotating shaft 3 is disposed such that one end 3 a protrudes from an insertion hole provided in one end wall 2 a of the main body case 2,
Is inserted into the rotary shaft 3 from the other end opening 3b, and the tip 6a is fixed in the rotary shaft 3. Next, a lid member 21 for closing the other end 2b of the main body case 2 and the other end opening 3b of the rotating shaft 3 is attached. The lid member 21 is provided with an engagement groove 21a which engages with the rear end 6b of the spring member 6. After engaging with the rear end 6b, the cover member 21 is mounted by rotating the spring member 6 in a twisted manner. You. The twisting direction is a direction in which the rotating shaft 3 is normally urged to open the toilet lid or the toilet seat by twisting.

On the outer surface of the rotating shaft 3, two pairs of projecting walls 31,
32 are radially projected at predetermined intervals in the circumferential direction, and both have liquid passages 31a and 32a formed therein (see FIGS. 4 and 8 to 10). Liquid passage 3
The shape and position of 1a and 32a are not limited, but are determined by the shape and position of a liquid passage formed in the movable valve 4 described later, the direction in which a braking force is applied, and the like. In the present embodiment, the braking force is applied when rotating in the X direction in FIGS. 4, 5 and 8 (the closing direction of the toilet seat). The liquid passages 31a and 32a are formed in the protruding wall 32 by notching them at positions not facing each other from the outer surface side. A liquid passage 41 is cut from the inner surface of the other protruding wall 32 at a position communicating with the liquid passage 32a of the other protruding wall 32 but not communicating with the liquid passage 31a of the one protruding wall 31. In addition, the cushioning device 1 for the toilet seat and the cushioning device 1 ′ for the toilet lid are:
Since they are arranged at symmetrical positions as shown in FIGS. 11 to 13, the positional relationship between the rotating shaft 3 and the movable valve 4 in the main body case 2 of the shock absorber 1 ′ for a toilet lid is also shown in FIGS. 2 to 4. It is completely symmetric with that of the cushion device 1 for a toilet seat.

In the present embodiment, a pair of two protruding walls 31, 32 provided on the outer surface of the rotary shaft 3 are provided.
The partition wall 2 of the main body case 2 located between
A choke groove 33 functioning as an orifice is formed so as to straddle e and 2f during rotation (see FIG. 4). The choke groove 33 is formed so as to be gradually shallower in the direction of the arrow Y in FIG. 4 in order to gradually increase the braking force.

The movable valve 4 is mounted between the pair of projecting walls 31, 32 of the rotary shaft 3 described above. Projected walls 31, 32
Are provided so as to radially protrude at predetermined intervals, so that the movable valve 4 is formed in a substantially sector shape in cross section as shown in FIG. 9, and the inner surface thereof is in sliding contact with the outer surface of the rotary shaft 3 and the outer surface is It is formed in such a size as to slide on the inner surface of the main body case 2. Further, the length in the circumferential direction is two pairs of the projecting walls 31, 32.
It is designed to be loaded with play slightly smaller than the spacing between them. As described above, a groove as the liquid passage 41 is formed on the inner surface side.

The cushioning device 1 of the present embodiment is used as a pair of two for the toilet seat 11 and the toilet lid 12, and has two types of arms, the toilet seat arm 7 and the toilet lid arm 8. Is done. Both are common in that, as shown in FIGS. 1 and 6, one end is connected to the rotation shaft 3 as base ends 7 a and 8 a. Each base end 7a, 8a is formed in a substantially cylindrical shape, and the hollow portion functions as bearing holes 7b, 8b of one end 3a of the rotating shaft 3. The one end 3a of the rotating shaft 3 inserted into the bearing holes 7b, 8b is connected to the base end 7a,
It is fixed by screw members 7j, 8j penetrating the peripheral wall of 8a.

The distal ends 7c, 8c of the arms 7, 8
The portions (excluding the cylindrical base ends 7a and 8a) are common in that they are provided so as to abut on the back surface of the toilet seat 11 or the toilet lid 12 (see FIGS. 12 and 13). However,
In a general Western-style toilet, while the rotating bases 11a and 12a of the toilet seat 11 and the toilet lid 12 are supported by the same support shaft 13, the toilet lid 12 is arranged so as to overlap the toilet seat 11. To correspond, the distal end portions 7c and 8c of the toilet seat arm 7 and the toilet lid arm 8 have different shapes as follows.

That is, the tip 7c of the toilet seat arm 7
Is provided so as to be in contact with the upper surface of the base portion 2d of the main body case 2 when the toilet seat 11 is closed, while the distal end portion 8c of the toilet lid arm 8 is located above the main body case 2 when the toilet seat 11 is closed. (A position indicated by a solid line in FIGS. 5 and 7).

The arm 7 for the toilet seat and the arm 8 for the toilet lid
Is not limited to the shape shown in the present embodiment. Any shape may be used as long as the arm 8 for the toilet lid is arranged so as to be in contact with the back of the toilet lid 12 while avoiding the toilet seat 11 in accordance with the positions of the toilet seat 11 and the toilet lid 12. .

The cushion device 1 for a toilet seat or a toilet lid of a Western-style toilet according to the present embodiment is used as follows. First, FIGS.
As shown in FIG. 13, the toilet body 10 of an existing Western-style toilet
The base portion 2d of the main body case 2 is fixed to the rear upper portion of the main body 2 with a double-sided adhesive tape or the like. At this time, the toilet seat arm 7
Of the toilet seat 11 and the body 11 of the toilet body 10
First, the distal end portion 8c of the toilet arm 8 is connected to the toilet seat 11 and the toilet lid 12.
Is disposed so as to be inserted into the gap 12b.

In this state, when the toilet seat 11 or the toilet lid 12 is lifted, the arms 7, 8 are moved by the spring members 6, which are biased in the opening direction of the toilet seat 11 or the toilet lid 12, respectively. The rotation shaft 3 is moved upward in FIGS. 5 and 7 so that the tip portions 7c and 8c of the rotation follow the operation of the toilet seat 11 or the toilet lid 12.
Rotate in the direction. As a result, the distal end 7 of each arm 7, 8
When viewed from the side, c and 8c are in the states shown by imaginary lines in FIGS. At this time, the viscous liquid passes through the liquid passage 31a of the one protruding wall 31 in an attempt to flow from one liquid chamber formed between the pair of protruding walls 31 and 32 of the rotating shaft 3 into the other liquid chamber. After that, the movable valve 4 is pressed against the inner surface of the other protruding wall 32. The liquid passage 41 of the movable valve 4 and the liquid passage 32a of the other protruding wall 32
Are formed in the relationship described above, the movable valve 4
Are pressed against the other protruding wall 32, the two liquid passages 32a and 41 communicate with each other. Further, as a result of the movable valve 4 being pressed against the inner surface of the other protruding wall 32, a gap is generated between the inner surface of the one protruding wall 31 and the movable valve 4 (FIG. 1).
0). Therefore, two viscous liquids are formed in a pair of projecting walls 31 and 3.
The liquid moves smoothly from one liquid chamber formed at the boundary of 2 to the other liquid chamber as shown by the arrow in FIG. Therefore, the opening operation of the toilet seat 11 or the toilet lid 12 is performed smoothly.

The toilet seat 11 or the toilet lid 12 is tilted or pushed forward from the open position by hand or the like, and then the hand or the like is released to release the upper part of the toilet body 10 and the toilet seat 11 or the toilet lid 12.
When the angle between the toilet seat 11 and the toilet seat 12 becomes approximately 90 degrees or less, the toilet seat 11 and the toilet lid 12 are closed by their own weight. For this reason, the distal end portions 7c, 8c of the arms 7, 8 are pressed by the toilet seat 11 and the toilet lid 12, and the base ends 7a, 8a rotate in the arrow X direction in FIGS. The rotating shaft 3 also rotates. Rotary axis 3
Rotates in the X direction in FIG. 4 on the contrary to the above, and the viscous liquid tries to flow into the one liquid chamber from the other liquid chamber. As a result, the viscous liquid passes through the liquid passage 32 a of the other protruding wall 32 and then presses the movable valve 4 against the inner surface of the one protruding wall 31. Since the formation position of the liquid passage 41 of the movable valve 4 is different from the formation position of the liquid passage 31a of the one protruding wall 31 as described above, the one liquid passage 31a is closed. For this reason, the viscous liquid cannot move via the liquid passage 31a of the one protruding wall 31 and flows mainly in the direction of the arrow X in FIG. 4 through the choke groove 33 functioning as an orifice, and from the other liquid chamber to the partition wall 2e. , 2f and flows into one of the adjacent liquid chambers. A small amount of viscous liquid also flows in the direction of arrow Y through an extremely small gap between the outer surface of the movable valve 4 and the outer surfaces of the protruding walls 31 and 32 and the main body case 2, and the viscous liquid passes through the protruding walls 31 and 32. It also flows into one of the mating liquid chambers. Therefore, since the viscous liquid mainly moves only through the orifice, the resistance increases, and the rotating shaft 3 rotates slowly, and the closing operation of the toilet seat or the toilet lid also becomes slow.

In the above-described embodiment, an example is shown in which the present invention is applied to a toilet seat and a toilet lid of a Western-style toilet. However, the shock absorber such as the rotary lid of the present invention can abut on an appropriate position of the rotary lid or the like. Of course, as long as it has an arm, it can be applied to various other rotating lids and the like.

[0022]

According to the shock absorber of the present invention such as a rotary lid, it is only necessary to insert the arm into a predetermined position and fix each main body case to the main body of the device or apparatus supporting the rotary lid or the like.
The closing operation of the rotary lid and the like can be easily alleviated and buffered in a device or device in which the buffer device is not originally incorporated. Further, it is particularly suitable as a retrofitting shock absorber because of the easiness of the mounting operation, in which there is no need to process any existing members provided in the apparatus or apparatus supporting the rotating lid and the like.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a cushioning device for a toilet seat, which is an example of a cushioning device such as a rotating lid according to the present invention.

FIG. 2 is a sectional view taken along a horizontal line passing through a center line of FIG. 1;

FIG. 3 is a view taken in the direction of arrows AA in FIG. 2;

FIG. 4 is a view taken in the direction of arrows BB in FIG. 2;

FIG. 5 is a left side view of FIG. 1;

FIG. 6 is a plan view showing one embodiment of a cushioning device for a toilet lid, which is an example of a cushioning device such as a rotating lid according to the present invention.

FIG. 7 is a left side view of FIG.

FIG. 8 is a perspective view showing a rotating shaft provided in the embodiment according to the cushioning device for a toilet seat.

FIG. 9 is a perspective view showing a movable valve arranged in the embodiment according to the cushioning device for a toilet seat.

FIG. 10 is a view for explaining an operation of a movable valve arranged in the embodiment according to the cushioning device for a toilet seat.

FIG. 11 is a view showing a mounting position of the shock absorber according to the embodiment to a toilet.

FIG. 12 is a view showing a mounting state of the cushioning device for a toilet seat according to the embodiment.

FIG. 13 is a view showing a mounting state of the buffer device for a toilet lid according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shock absorber for toilet seat 1 'Shock absorber for toilet lid 2 Body case 3 Rotating shaft 4 Movable valve 6 Spring member 7 Arm for toilet seat 8 Arm for toilet lid 10 Toilet bowl body 11 Toilet seat 12 Toilet lid

Claims (1)

[Claims] 1. A main body case, a rotating shaft disposed inside the main body case with one end protruding outward and formed hollow, and formed by an outer surface of the rotating shaft and an inner surface of the main body case. A pair of projecting walls having a liquid passage for allowing the viscous liquid filled in the gap to pass therethrough and being provided at predetermined intervals along the circumferential direction, and an outer surface slidably in contact with an inner surface of the main body case; A movable valve that closes the liquid passage of the pair of projecting walls when rotating to one side and opens the liquid passage when rotating to the other, and is disposed in the hollow portion of the rotating shaft, A spring member for urging the rotating shaft in an opening direction such as a rotating lid, a base end portion is connected to one end of the rotating shaft, and a distal end portion is provided so as to be in contact with an appropriate position on the rotating lid or the like. A shock absorber such as a rotary lid.