CN201671468U

CN201671468U - Reduction damping rotating shaft of toilet seat cover

Info

Publication number: CN201671468U
Application number: CN2010201915274U
Authority: CN
Inventors: 王兵; 谢伟泉
Original assignee: R&T (XIAMEN) PLUMBING Inc
Current assignee: Xiamen R&T Plumbing Technology Co Ltd
Priority date: 2010-05-06
Filing date: 2010-05-06
Publication date: 2010-12-15
Anticipated expiration: 2020-05-06

Abstract

The utility model discloses a reduction damping rotating shaft of a toilet seat cover, which comprises a shell on inner wall of which isolating stiffeners are arranged and a rotating shaft which can rotate in the shell, wherein a circular convex ring is arranged on the rotating shaft opposite to the opening of the shell; a pair of blades is arranged on the rotating shaft between the inside of the convex ring and the bottom of the shell, positioned between the isolating stiffeners and sleeved with the inner wall of the shell; a sealing ring and a gland are sleeved outside the convex ring; the gland is sleeved and fixed with the opening of the shell; oil passing sheets propped against the rotating shaft are sleeved on the isolating stiffeners; the oil passing sheets having oil passing holes and the isolating stiffeners form an oil passing one-way valve; the oil passing sheets having the oil passing holes are sleeved on the isolating stiffeners to form a one-way oil passing valve; and the oil passing sheets rotate to control the isolating stiffeners to open or close the oil passing holes thereon and control the low torque fast rotation or the large torque slow rotation of the rotating shaft. Compared with the traditional reduction damping shafts, the utility model has the advantages of not arranging an opening or an oil passing groove on the blades on the rotating shaft, increasing the strength of the rotating shaft, not sleeving the oil passing sheets on the blades and increasing the rotating angle of the rotating shaft.

Description

The slow Damping rotation shaft that falls of a kind of lavatory lid

Technical field

The utility model relates to fall the slowly damper of usefulness of lavatory lid, the slow Damping rotation shaft that falls of especially a kind of lavatory lid.

Background technology

The existing damper that is used for hinged lavatory lid has multiple, commonly used have a fluid pressure type Damping rotation shaft, as notification number is closestool seat ring and the cover plate slow descending device of Chinese patent CN2936103Y, it is by being provided with blade muscle opening at rotating shaft blade muscle, blade is placed on the blade muscle then, on cover plate, turn over, the rotating shaft hinged with it is rotated in when rotating in the overcoat, the damped oil of blade is pushed open and blade muscle opening is stepped down, damping oil passes through blade fast, the little damping quick rotation of rotating shaft, promptly light upturning lid plate; When cover plate turns over downwards, closed leave muscle opening under the pressure of blade damping oil, damping oil only can pass through from the microgap between axle sleeve and blade, the blade muscle, form damping force, the realization cover plate is slow to fall, this mode that offers opening on the blade muscle of rotating shaft can reduce its intensity greatly, the blade muscle fractures easily during use, cause disabler, therefore general blade muscle is done thicklyer, after adding the cover blade, can significantly reduce the commentaries on classics degree of rotating shaft, it is limited that the feasible cover plate hinged with it turns over angle up and down.

The utility model content

For addressing the above problem, the utility model is intended to propose the slow Damping rotation shaft that falls of a kind of lavatory lid.

The technical scheme that the utility model addresses the above problem employing is: the slow Damping rotation shaft that falls of a kind of lavatory lid, contain the housing that inwall is provided with a pair of isolation rib, one rotating shaft that can in housing, rotate, the rotating shaft position of shell nozzle correspondence is provided with a circular bulge loop, rotating shaft between bulge loop inboard and the housing bottom is provided with a pair of blade, blade be in isolate between the rib and with inner walls fit mutually, the bulge loop outside is with sealing ring and gland, gland and shell nozzle fit are fixed; It is characterized in that: on the isolation rib, be with the oily sheet of the mistake that leans with rotating shaft, cross oily sheet and be provided with oil-through hole, cross oily sheet and formed oily one way valve with the isolation rib.

Isolation rib of the present utility model is trapezoidal, cross oily sheet and be provided with the strip dovetail groove, dovetail groove is buckled in isolates on the rib, and dovetail groove is being isolated the spacing slightly rotation down of rib, oil-through hole is located on the cell wall and is communicated with inside and outside the dovetail groove, forms oily passage between oil-through hole, isolation rib and the dovetail groove.For controlling opening or closing of the oily passage of aforementioned mistake, the oil-through hole that the utility model is crossed on dovetail groove one cell wall on the oily sheet is positioned at the dovetail groove bottom, and the oil-through hole on another cell wall is relative with isolation rib side; Or the oil-through hole on dovetail groove one cell wall is positioned at dovetail groove bottom, the strip otch that the oil-through hole on another cell wall is provided with for this cell wall edge portion; When the rotating shaft forward rotation, crossing oily sheet turned to by the damping oil pressure to paste mutually with a side that isolates rib to touch, the oil-through hole of the cell wall bottom of the dovetail groove of this side correspondence is communicated with the gap that isolates between rib and the dovetail groove bottom, damping oil passes through fast from the gap of another isolation rib side and trapezoidal cell wall and the oil-through hole (or otch) on this cell wall, promptly cross oily passage and be opened, the quick rotation of the little damping of rotating shaft; The backward rotation rotating shaft, cross oily sheet backward rotation, the oil-through hole (or otch) that makes isolation rib side seal this side was closed oily passage, the flow stagnation of damping oil, damping oil only can slowly pass through from the minim gap of crossing oily sheet, isolation rib and inner walls, realizes the damping slow rotation of rotating shaft.

The beneficial effects of the utility model are: the oily sheet of mistake that will be provided with oil-through hole is enclosed within to isolate forms a unidirectional fuel tap of crossing on the rib, cross oily sheet and inner walls and rotating shaft against, crossing oily sheet rotates control and isolates rib and open or seal oil-through hole on it and then the little moment of torsion quick rotation or the high pulling torque slow rotation of control rotating shaft; Compare with traditional damping axle that falls slowly, the utility model is not provided with opening or crosses oil groove on the blade of establishing in the rotating shaft, and the intensity of rotating shaft increases, and the oily sheet of not sheathed mistake has increased the anglec of rotation of rotating shaft on blade.

Description of drawings

Fig. 1 is the package assembly exploded view of the utility model embodiment one;

The structure sectional view of Fig. 2 the utility model embodiment one;

Fig. 3 is the A-A sectional view of Fig. 2;

Fig. 4 is the perspective view one of the oily sheet of mistake of the utility model embodiment one;

Fig. 5 is the perspective view two of the oily sheet of mistake of the utility model embodiment one;

Fig. 6 is the perspective view three of the oily sheet of mistake of the utility model embodiment one;

Fig. 7 crosses the structural representation that oily sheet was opened oily passage for the utility model embodiment one;

Fig. 8 crosses the structural representation that oily sheet was closed oily passage for the utility model embodiment one;

Fig. 9 is the perspective view of the oily sheet of mistake of the utility model embodiment two;

The vertical structure sectional view of Figure 10 the utility model embodiment two.

Among the figure:

1. housing; 1.1. inwall; 1.2. isolation rib; 2. rotating shaft; 2.1 circular bulge loop; 2.2. blade; 3. cross oily sheet; 3.1. oil-through hole; 3.2. dovetail groove; 3.3. cell wall; 3.4. end edge; 3.5. otch; 4. sealing ring; 5. gland.

The specific embodiment

Below in conjunction with accompanying drawing and each embodiment the utility model is further specified.

Embodiment one:

As Fig. 1～slow Damping rotation shaft 2 that falls of a kind of lavatory lid shown in Figure 3, by housing 1, rotating shaft 2, cross oily sheet 3, sealing ring 4 and gland 5 are formed, be provided with the isolation rib 1.2 of a pair of trapezoidal strip in the inwall 1.1 of housing 1, rotating shaft 2 is inserted in the housing 1, circular bulge loop 2.1 in the rotating shaft 2 forms with housing 1 opening fit and is rotationally connected, rotating shaft 2 between bulge loop inboard and housing 1 bottom is provided with a pair of blade 2.2, blade 2.2 be in isolate between the rib 1.2 and with housing 1 inwall 1.1 fit mutually, in housing 1, fill with damping oil, the bulge loop outside is with sealing ring 4 and gland 5, and gland 5 is fixed with housing 1 opening fit; As Fig. 3～shown in Figure 6, cross oily sheet 3 and be provided with strip dovetail groove 3.2, dovetail groove 3.2 is buckled in to isolate on the rib 1.2 and forms matched in clearance, cell wall 3.3 ends of dovetail groove 3.2 along 3.4 with the inwall 1.1 of housing 1 against, make cell wall 3.3 edges and the shell of dovetail groove 3.2 openings stop formation one minim gap between the inwall 1.1, dovetail groove 3.2 is being isolated rib 1.2 spacing slightly rotations down, oil-through hole 3.1 is located on the cell wall 3.3 and is communicated with inside and outside the dovetail groove 3.2, oil-through hole 3.1 on dovetail groove 3.2 1 cell walls 3.3 is positioned at dovetail groove 3.2 bottoms, oil-through hole 3.1 on another cell wall 3.3 is relative with isolation rib 1.2 sides, oil-through hole 3.1, oily passage was formed in the gap that isolates between rib 1.2 and the dovetail groove 3.2, crossed oily sheet 3 and formed oily one way valve with isolation rib 1.2.

During use that rotating shaft 2 of the present utility model is hinged with lavatory lid, describe operating principle of the present utility model and concrete enforcement action below in detail.

As Fig. 3 and shown in Figure 7, upwards open cover plate, then rotating shaft 2 rotates counterclockwise, blade 2.2 in the rotating shaft 2 rotates counterclockwise against housing 1 inwall 1.1, then blade 2.2 is pressing damping oil rotating shaft 2 to flow counterclockwise, under the thrust of damping oil that flows, cross oily sheet 3 and clockwise rotate one by a small margin at isolation rib 1.2; The dovetail groove 3.2 1 side channel walls 3.3 of crossing oily sheet 3 separate the oil-through hole 3.1 that forms on gap, this sidewall with isolation rib 1.2 1 sidewalls and are communicated with this gap; Dovetail groove 3.2 opposite side cell walls 3.3 paste with another sidewall of isolating rib 1.2 and touch, then the gap of the oil-through hole 3.1 on the dovetail groove 3.2 bottom sidewalls, isolation rib 1.2 and dovetail groove 3.2 bottoms is communicated with, be oil-through hole 3.1, isolate gap between rib 1.2 and the dovetail groove 3.2 and formed oily passage and isolated rib 1.2 sidewalls and open, damping oil flows through fast from crossing oily passage, rotating shaft 2 little damping quick rotation, it is very easily quick promptly to open cover plate.

As shown in Figure 8, turn down under the cover plate, rotating shaft 2 clockwise rotates, and the blade 2.2 in the rotating shaft 2 clockwise rotates against housing 1 inwall 1.1, and then blade 2.2 is being pressed damping oil to promote oily sheet 3 and rotated counterclockwise one by a small margin at isolation rib 1.2; Dovetail groove 3.2 cell walls 3.3 paste with the sidewall of isolating rib 1.2 and touch, oil-through hole 3.1 on this cell wall 3.3 is isolated the sidewall sealing of rib 1.2, therefore forming oily passage by the gap between oil-through hole 3.1, isolation rib 1.2 and the dovetail groove 3.2 is closed by sidewall, then the damping oil in the housing 1 stays cool, then damping oil only can pass through from the minim gap that housing 1, rotating shaft 2 and excessively oily sheet 3 cooperate, the hydraulic pressure difference effect lower rotary shaft 2 of damping oil slowly rotates in shell, the decrease speed of buffering cover plate realizes the slow drop of cover plate.

Embodiment two:

As Fig. 9 and shown in Figure 10, the difference of present embodiment and embodiment one is: the cell wall 3.3 edge portions of the dovetail groove 3.2 of the oily sheet 3 of the mistake of present embodiment are provided with a strip otch 3.5 as oil-through hole 3.1, and this strip otch 3.5 can be by the sidewall complete closed of the isolation rib 1.2 in the housing 11; Other structure of this enforcement, operating principle and enforcement action are with embodiment one.

Claims

1. the slow Damping rotation shaft that falls of a lavatory lid, contain the housing that inwall is provided with a pair of isolation rib, one rotating shaft that can in housing, rotate, the rotating shaft position of shell nozzle correspondence is provided with a circular bulge loop, rotating shaft between bulge loop inboard and the housing bottom is provided with a pair of blade, blade be in isolate between the rib and with inner walls fit mutually, the bulge loop outside is with sealing ring and gland, gland and shell nozzle fit are fixed; It is characterized in that: on the isolation rib, be with the oily sheet of the mistake that leans with rotating shaft, cross oily sheet and be provided with oil-through hole, cross oily sheet and formed oily one way valve with the isolation rib.

2. the slow Damping rotation shaft that falls of a kind of lavatory lid as claimed in claim 1, it is characterized in that: described isolation rib is trapezoidal, cross oily sheet and be provided with the strip dovetail groove, dovetail groove is buckled in isolates on the rib, dovetail groove is being isolated the spacing slightly rotation down of rib, oil-through hole is located on the cell wall and is communicated with inside and outside the dovetail groove, forms oily passage between oil-through hole, isolation rib and the dovetail groove.

3. a kind of lavatory lid as claimed in claim 2 is slow to fall Damping rotation shaft, it is characterized in that: the oil-through hole on described dovetail groove one cell wall is positioned at the dovetail groove bottom, and the oil-through hole on another cell wall is relative with isolation rib side.

4. a kind of lavatory lid as claimed in claim 2 is slow to fall Damping rotation shaft, it is characterized in that: the oil-through hole on described dovetail groove one cell wall is positioned at dovetail groove bottom, the strip otch that the oil-through hole on another cell wall is provided with for this cell wall edge portion.