TW201231835A - Liquid damping hinge - Google Patents

Abstract

The invention provides a simple-structured and low-cost liquid damping hinge, especially use for opening and closing of the opening-closing body such as the stool cover and the stool base of the western toilet stool. The liquid damping hinge includes a cylindrical casing which has a liquid room disposed on one side of a body portion, a rotating shaft which is rotatably assembled in the center axis direction and confined to move in the axis direction and the assembly means of the opening-closing body is disposed on the protruding part protruded from the cylindrical casing, a pressure valve guiding portion disposed on the part of the rotating shaft located in the liquid room, a pressure valve disposed on the pressure valve guiding portion and movably disposed on a pressure guiding trench. A liquid accelerating means is disposed on the pressure valve guiding portion facing to the pressure valve. The pressure guiding trench is tilted disposed facing to the boundary of liquid room.

Description

201231835 VI. Description of the Invention: [Technical Field] The present invention relates to a fluid damping hinge, which is suitable for an open body of a western toilet such as a toilet lid and a toilet seat, except that the body portion can be opened and kept in an upright state. At the same time, it will not fall quickly when the body is closed. [Prior Art] In the prior art, the toilet seat and the toilet seat of the western toilet are assembled such that the toilet lid can be opened to the body portion by a hinge for opening on the rear side of the body portion of the toilet body. In particular, in order to cause a large noise when the toilet lid is rapidly dropped against the toilet seat due to the closing, the damper hinge for buffering the rapid fall between the toilet lid and the toilet seat is as follows: Shown is a well-known technique. The conventional damper hinge is composed of a casing, a rotating shaft, a plurality of friction elements, a plurality of brake discs, and a viscous oil body. The housing assembly is attached to the body portion of the western toilet. The rotating shaft is locked to the casing, and a protruding portion protruding from the casing is provided with a means for assembling the opening body in a direction penetrating the inner central axis thereof. The friction element penetrates the center portion of the rotating shaft and is fixed in the casing, and an annular friction groove is provided in the axial direction of the edge. The brake disk is restrained to the rotating shaft, and the wing portion provided in the direction of the edge axis is pressed into the friction groove of the friction member. The viscous oil body is filled between the friction groove and the wing. A frictional moment is generated between the friction groove and the wing portion that is pressed into the friction groove. 5 201231835 The above-mentioned damper hinges can cushion the speed of the toilet seat and the toilet seat, but the construction cost is increased due to the complicated structure. SUMMARY OF THE INVENTION An object of the present invention is to provide a fluid damping hinge which is simple in construction and low in cost, and is particularly suitable for use in opening of a toilet seat such as a western toilet and a toilet seat. To achieve the above object, a fluid damping hinge of the present invention comprises: a cylindrical casing having a fluid chamber mounted on one side of the body portion; and a rotating rod rotatably mounted via a sealing member The central axis direction of the cylindrical casing is restricted to move in the axial direction, and the assembling means of the opening body is provided at a protruding portion protruding from the cylindrical casing; a pressure valve guiding portion is provided at the rotating pole position a portion of the fluid chamber; a pressure valve disposed at the pressure valve guide and movably disposed in the pressure valve guide groove. Wherein, on the pressure valve guiding portion, a pressure accelerating means is disposed facing the pressure valve, and the pressure valve guiding groove is inclined to face the periphery of the fluid chamber. Moreover, in the present invention, the fluid damping hinge further comprises a restriction means for restricting the movement of the rotating rod in the axial direction of the cylindrical housing, having a one-week groove and a press-in locking bolt, the circumferential groove being disposed on the rotating rod, pressing in The locking bolt is press-fitted into the peripheral groove via a locking hole provided in the cylindrical casing. Furthermore, in the present invention, the fluid acceleration means may be provided in a shed portion of the cylindrical casing; a curved concave portion provided in the pressure valve guide portion; between the fluid inner wall and the pressure valve guide portion , a large bend for the pressure valve setting

S 201231835 Curved channel section and a small curved runner section. According to the above configuration, according to the first aspect of the patent application, when the toilet cover and the horse leak are closed by the fluid acceleration means, the flow of the fluid to the inner body is accelerated by the pressure valve facing the fluid chamber inner wall to the pressure valve. The sliding in the guiding groove can be used for the simple and reliable front end of the valve, and the inner wall of the fluid chamber is spaced and crimped, so that even if only the pressure valve is used, the damping function can be fully realized. ι Also, if the second part of the patent application is applied, the rotating rod is fixed to the cylindrical shell and does not need to be screwed, screwed or welded, etc. (4) Fluid damping devices can also reduce the problem of assembly mismatch. , =, material, material, and the third item, open the toilet lid or the toilet. #启%• Accelerate the fluid through the large curved flow passage, press the force in the guide, and make the fluid flow smoothly. Can be = ^ 2 and the toilet lid and toilet seat opening action is easier. When the squat is closed, the fluid is accelerated by the concave portion, the small curved flow passage portion and the shed portion to promote the sliding and crimping of the waste to the inner wall, and the fluid flow is blocked by the pressure in the fluid chamber. The knife is relatively flat. Η 纠 纠 马桶 马桶 钱 钱 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 The hinge for the western toilet seat and the toilet seat opening 201231835 ', β κ is used for the opening of the opening, buffering is required, and the opening of the body is required to be in an upright state. Embodiment 1 As shown in FIG. 1, the symbol 1 is a western toilet, the symbol 2 of the symbol 2 is the main body of the western toilet 1, and the symbol 3 is a toilet cover as an example of the opening. For the toilet seat. The toilet lid 3 and the toilet seat 4; | the fluid damping hinges 5 and 6 of the present invention are connectable to the body portion 2. For example, the toilet lid 3 can be assembled to the body portion 2 via the fluid damper hinge 5 for the body portion 2 to be open-assembled by the fluid damper hinge 6. Actually, the following cylindrical casings 1 of the fluid damper hinges 5, 6 are configured by being assembled to the body portions 2 by the covering portions 7, 8 assembled to the body portion 2, and in the following description, the omitting is omitted. The portions 7, 8 and 'o' may be omitted, and the cylindrical casing may be directly assembled to the body casing 2. Furthermore, the protective cover assembled to the automatic cleaning device can also be used. The way of assembly is not limited. Such a fluid damper hinges 5. and 6 are a pair of right and left, one for the horse bucket 3 and the other for the toilet seat 4. Since the configuration is the same, in the following description, the fluid damper hinge 5 for the toilet lid 3 will be described. Fig. 2 to Fig. 1A show a fluid damper hinge 5, which is shown by a symbol P1, for example, a POM-made synthetic resin-molded cylindrical casing. The cylindrical casing 10 is formed by a large diameter portion 10a and a small diameter portion 1b, and as shown in FIG. 3, a corresponding diameter is provided in the large control portion 10a and the small diameter portion 10b. The recessed hole, in other words, the large-diameter hole 1〇d on the side of the large-diameter portion 10a and the small-diameter hole 10e in the portion of the small-diameter portion 1b are connected to each other. In the central portion of the large diameter hole 1〇d, there is a flow 201231835 body chamber i〇f. Inside the fluid chamber 10f, a brake wall 10c for dividing the fluid chamber 10f is provided, and on the lower side of the brake wall 10c, a shed portion 10p provided along the inner circumference of the fluid chamber 1〇f is provided. Next, the fluid chamber 10f is connected, and as shown in Fig. 3, a third sealing chamber 10g is provided on the left side. On the side of the small diameter portion 10e, the second fluid chamber i〇f is provided in the succeeding fluid chamber i〇f. On the outer circumference of the large diameter portion 10a, a plurality of engagement projections 1〇i, 1〇j, 1〇k are provided for the insertion fixing cover portion 7. A small hole l〇m communicating with the second sealed chamber is provided in the axial direction of the end β center portion of the small diameter portion i〇b. Further, the locking 孑I·10η is not provided at the position of the axial center portion in the radial direction. The rotating shaft 11 is rotatably mounted in the axial direction of the central portion of the cylindrical casing 10: the rotating shaft 11 is, for example, 66_NγLON, as shown in FIGS. 5 and 8, and is composed of the assembling means 11b and the first sealing member assembly portion. (1) The pressure 阙 guide 4 lie and the second sealing element assembly portion Ug are formed. Assembly means iib has an assembly hole 11a in the axial direction of the shaft, and an assembly hole is provided at one end.

It is seen that the non-circular cross section is slightly elliptical. The first sealing member assembly portion W is provided on the outer circumference of the connecting assembly means 11b, and is provided with a first circumferential groove llceM for mounting the first sealing member 13 and a valve assembly guiding portion for the first sealing member assembly portion 11d. It accounts for half of all outer circumferences. The second sealing shovel portion llg is connected to the pressure valve guiding portion to provide a second circumferential groove for the second sealing member 14 having a small diameter. On the outer periphery of the second sealing member assembly gUg, a second circumferential groove 11h that engages with the [locking cymbal 15] described below is provided. Furthermore, the pressure valve guide portion has a bend that is slidable to the inner side of the brake portion 1Qe.

In the relatively large concave portion 11 Γ, and in the curved concave second J J 201231835 » there is a braking portion 11 s, and a curved concave portion 11 i provided on the opposite side of the braking portion 11 s, and a pressure hereinafter referred to as a pressure valve 12 The valve guide groove 11 is allowed. In other words, the pressure valve guide groove Ilk is formed in the embodiment with respect to the horizontal line passing through the axial center portion of the rotating shaft 11 at an inclination of 65 degrees. A pair of holes llm, llm are placed at a predetermined interval by the outer side of the curved large recess llr facing the bottom of the pressure valve guide groove llk. Further, the inlet of the pressure valve guide groove uk is provided with one side of the hole 1 lm and 1 lm, and a pair of first fluid guiding recesses 11n, 11n are provided. On the side of the curved concave portion, as shown in Fig. 1A, a pair of third fluid guiding concave portions 111v, 11v are also provided. Also, the number of the holes llm, the first fluid guiding recesses 1ln, and the third fluid guiding recesses 非 is not limited. Further, the side of the brake portion Us facing the pressure valve 12 by the curved large recess portion 11r, and the side facing the pressure valve 12 by the curved concave portion Ui are formed with a contraction and fluid chamber 1 on the outer periphery of the table and the movable shaft 11, respectively. A large curved flow path portion 丨lt and a small curved flow path portion 丨lu between the inner walls. Next, the large curved flow path portion 11t, the cylindrical portion 10p of the cylindrical casing 1b, the curved concave portion 11i, and the small curved flow path portion 11u constitute the fluid accelerating hand 17. The pressure valve 12 is, for example, a molded article made of POM. As shown in FIG. 9, the shape is slightly flat, the front end portion has an arc shape, and one side is provided with a reverse portion 12& and at the same time, a pair of second fluid guiding concave portions are provided at a predetermined interval on the reverse portion 12a. But 12b, 12b. The number of the second fluid guiding recesses 12b, 12b is not limited. Further, since the length of the pressure valve 12 is shorter than the depth of the pressure valve guide groove Ilk, the pressure valve 12 can slide in the longitudinal direction of the pressure valve guide groove uk. Furthermore, the first sealing element 13 and the second sealing element 14 are for example

S 10 201231835 % formed, the diameter is different. As shown in Fig. 3, the first sealing member 13 having a large radial length is immersed in the first circumferential groove Uc, and the second sealing member having a small radial length is fitted into the second circumferential groove Uf. Component symbol 15 shows the $ card check. The press-in locking plug 15 is, for example, a metal product such as SUS, and is engaged with the third circumferential groove 11h of the rotating lever 11 by the locking hole 1〇n, thereby restricting the movement of the rotating lever 11 in the axial direction so that it does not It is taken out by the cylindrical casing 10. The constituent elements described above are assembled as shown in Figs. 2 and 3 to constitute a claw-damped hinge 5. In other words, first, the first circumferential groove 11c of the first sealing member group 11d of the rotating lever 11 and the second circumferential groove 11f of the second sealing member assembly 邛llg are respectively attached to the first sealing member Μ And - the first sealing member 14 is provided with the second sealing element assembly portion Ug as a tip end, and the rotating rod u is inserted into the large diameter hole 1?d side in the cylindrical casing 10. Next, the fluid 16 such as simmering oil is filled into the fluid chamber to sink and the large diameter hole 1 〇d and the small diameter hole 1Ge are sealed by the first sealing member 13 and the second sealing member μ. At this time, the excess fluid 16 is discharged to the outside through the small holes 1〇m provided on the side of the small-diameter portion 10b of the cylindrical casing 1〇. Then, the rotating rod 11 is pressed into the cylindrical casing 10, and the rod u is rotated. The end of the second sealing member assembling portion 11g abuts against the inner wall of the small diameter hole 10e, and the first sealing member 14 seals the small diameter hole 10e. In this position, the third circumferential groove coincides with the position of the card β-stop hole 〇n, and the press-in locking pin 15 is pressed into the small-diameter hole 10e in the cylindrical casing 10 via the locking hole 〇η , the pressing of the locking bolt 15 and the third circumferential groove of the rotating rod 11 are engaged, so that it is not required to be assembled by a costly means such as locking and connecting, and the rotating rod u will be It is restricted to the axial direction and does not come out of the cylindrical casing 1 . In this state / 11 201231835 Hunting a sealing element i3 and a second sealing element 14 fluid 16 / by the dense fluid chamber (10) without (d) leaking to the outside. Then, the cylindrical casing 10 is assembled to the upper end of the rear portion of the main body portion 2, and the support pin shown by 耒 is inserted and fixed to the assembling means lib'a' of the rotating cup 11 to be fixed to the assembling portion 3a of the toilet lid 3. The assembly part of the toilet seat 4, which is not shown in detail, is rotatable _ is provided in the support, and the fluid damper hinge 6 is opened on the toilet seat 4, and the toilet seat 4 is also provided via the support bolt shaft, the toilet cover The assembly part of 3 can be rotatably provided on the support pin. The following describes the mode of operation. Starting from the toilet lid 3, the body portion 2 of the western toilet 1 is in a closed state, and the slidable group of the pressure valve 12 is in contact with the pressure valve guiding groove Uk of the pressure valve guide portion lie of the rotating rod 11 of the fluid damping hinge 5, The pressure valve 12 is located at the top portion 12c to abut against the inner wall of the fluid chamber i〇f, thereby opening the toilet lid 3 in a closed state, and the fluid 16 of the fluid chamber 1()f is greatly bent by the rotation of the rotating rod u in the clockwise direction. The flow path portion m is accelerated, and the pressure valve 12 is pushed to the side of the pressure valve guide groove Uk, and the pressure valve 12 is pressed into the pressure valve guide groove Uk. Thereby, a gap is formed between the top portion 12c of the pressure valve 12 and the inner wall of the fluid chamber 10f, and the pressure valve 12 is held by the fluid 16 to the lower left side, and the fluid cover 16 can be smoothly opened to open the toilet lid 3. The toilet seat 3' thus opened is stopped by the brake portion 11 s of the pressure valve guide 4 11 e abutting against the brake wall 1 〇c provided in the fluid chamber 1 as shown in Fig. 6 . The opening angle of this embodiment is 92 degrees. Open the angle here,

S 201231835 Because the barrel 3 is rotated in the reverse direction, the position of the toilet lid 3 can not be automatically dropped. By changing the position of the brake wall 1〇c and the braking portion (1), the opening angle can be correspondingly 92. Above the degree. When the toilet lid 3 is closed, the toilet lid 3 is turned by hand to the counterclockwise direction of the closing direction, and the rotating lever u is also rotated in the counterclockwise direction. With the rotation, the flow rate of the fluid = 〇f fluid 16 is guided to accelerate via the curved recess 1H of the pressure valve guide lie. - the flow velocity of the partial fluid is accelerated by the small f-curved portion of the fluid acceleration 7 between the outer circumference of the pressure valve guide lle and the inner wall of the fluid chamber 1Gf, and then the left force valve guide groove llk is grasped by the holes llm, llm At the bottom, push the pressure valve I] to the inside of the fluid chamber. The other portion of the fluid 16 contacts the opposite portion 12a of the dust valve 12 via the first fluid guiding recesses 11n, 11n, and pushes the force valve 12 toward the fluid chamber 1〇f: wall. Therefore, the flow to the upper side is restricted by the pressure valve i2 of the fluid 16 so that the operation of the toilet lid 3 can be made gentle. Figure 7 shows the pressure of the toilet when the toilet is moved from the open state to the closed state. =, the shed portion 1 〇p of the fluid accelerating means 17 reduces the interval between the curved large convex portion - the inner wall of the fluid chamber i 〇 f to accelerate the fluid 16, and further, the dream: the movement of the fluid 16 can be achieved Slow down the function of the turning lever u: the rotation of the action. On the other hand, the second: body 2 (3) is used to provide the function of the fluid 16 and the top Uc of the force valve 12 moving to the opposite side when the toilet lid 3 is closed. Further, as described above, the opening for opening is the toilet seat 4. The fluid damping hinge of the opening of the present invention can also be used for the opening of the barrel 4.卞马马13 201231835. The present invention (4) The above-mentioned composition, especially from the western toilet, and the opening of the toilet seat, especially for the buffer when the closure is achieved, can be applied to the object such as the toilet lid function [simple description of the drawing] 1 is a front view of a toilet seat and a toilet; FIG. 1 is a perspective view of a western toilet using a hinge for opening a fluid damping hinge of the present invention; FIG. 2 is a fluid damping hinge of the present invention; FIG. Figure 4 is a cross-sectional view of the fluid damper hinge of the present invention; Figure 6 is an exploded perspective view of the fluid damper hinge of the present invention;

7 is an explanatory view for explaining the action of the fluid damping hinge of the present invention and FIG. 8 is a fluid damping hinge of the present invention. FIG. 9 is a perspective view of the pressure valve of the slanting chain of the rotating rod of the fluid damping hinge of the present invention;

Two::::::Nive_The third fluid of the rotating rod [Description of main components] 1. Western toilet 2: Main body

S 14 201231835 3 : Toilet seat 3a : Assembly part 4 : Toilet seat 5 , 6 : Fluid damping hinge 7 , 8 : Cover part 10 : Cylindrical case 10a : Large diameter part 10b : Small diameter part 10c : Brake wall - 10d: large diameter hole. 10e: small diameter hole 10f: fluid chamber l〇g: first sealing chamber 10h: second sealing chamber 10i, 10j, 10k: engaging projection 10m: small hole 1 On: locking hole 10p: The shed portion 11: the rotation shaft 11a: the assembly hole lib: the assembly means 11c: the first circumferential groove lid: the first sealing member assembly portion lie: the pressure valve guide portion 201231835

Ilf : second circumferential groove lig second sealing element assembly portion 11h third circumferential groove lli : curved concave portion Ilk : pressure valve guiding groove 11 m : hole 1 In first fluid guiding concave portion lip curved small concave portion llr : curved large concave portion 11s : Brake portion lit: Large meandering flow path portion 1 lu : Small curved flow path portion 11 v : Third fluid guiding concave portion 12 : Pressure valve 12a Reverse portion 12b Second fluid guiding concave portion 12c Top 13 : First seal Element 14: Second sealing element 15 : Press-in jam check 16 : Fluid 17 : Fluid acceleration means

Claims (1)

201231835 VII. Patent application scope: 1. ~~~ kind of fluid damping convergence key, comprising: a cylindrical casing having a fluid chamber installed on one side of the body portion; a rotating rod 'via a sealing member The rotating device is disposed in a direction of a central axis of the cylindrical casing and is restricted from moving in the axial direction, and the assembling means of the opening body is disposed at a protruding portion protruding from the cylindrical casing; a guiding portion disposed at a portion of the rotating rod in the fluid chamber; and a pressure valve 's away from the pressure valve guiding portion and movably disposed in a pressure valve guiding groove, wherein the pressure valve The guiding portion is provided with a fluid accelerating means facing the pressure valve, and the pressure valve guiding groove is inclined to face the circumference of the fluid chamber. 2. The fluid damping hinge according to the invention of claim 2, further comprising: a restriction means for restricting movement of the rotating rod in the axial direction of the cylindrical housing, having a one-day groove and a press-in locking bolt The circumferential groove is provided in the rotating rod, and the press-in locking plug is press-fitted into the circumferential groove via a locking hole provided in the cylindrical casing. 3. The fluid damper hinge of claim 1, wherein the fluid acceleration means comprises: a shed portion disposed in the cylindrical casing; a curved recess provided at the pressure valve guide; The large curved flow path portion and the small curved flow path portion are disposed facing the pressure valve between the fluid inner wall 17 201231835 and the pressure valve guide portion. 18 S