CN208309716U - Overflow-proof floor drain - Google Patents

Abstract

Overflow-proof floor drain, including shell, upper and lower waterproof grommet, fixing piece, and set spillway hole and external screw thread on shell, external screw thread setting area are not at the range of corresponding anti-overflow chamber after shell installation；The inner wall ring and housing parallel of lower waterproof grommet, and at least one of leakproof burr is equipped on inner wall ring, the bottom outer-edge of lower waterproof grommet is fallen into when fixture is fixed to be limited in limited ring groove set by fixing piece upper surface.When the utility model screws lower waterproof grommet by fixing piece, set limited ring groove applies inside and upward power to lower waterproof grommet in horizontal and vertical direction thereon, and the effect of sealing and leakproof is formed under the action of lower waterproof grommet inner wall ring sets up defences and leaks burr, it is easy for installation without using raw material band to be wound external screw thread.And by the setting of limited ring groove and leakproof burr, so that after outlet device maintenance sealing effect will not be lost because of physical ageing hardening because of lower waterproof grommet.

Description

Overflow-proof floor drain

Technical field

The utility model relates to outlet devices, and in particular to overflow-proof floor drain belongs to IPC classification E03C technical field.

Background technique

Outlet device plays critically important role in the bathroom of kitchen, and too busy to get away outlet device is substantially all in daily life. Existing outlet device with washbasin or rinsing table because matching, and therefore, a gap can be had in structure, that is, plays anti-overflow work With.

When the collector nozzle face of the quilt of outlet device is closed, water can pile washbasin and rinsing table, in washbasin or rinsing table Side wall on can be equipped with a gap, if tap is not closed always, at this point, the water completely to come up can be flowed into from gap Spillway hole set on outlet device side apart from collector nozzle certain distance, water flow into the downcomer row that outlet device is connected from spillway hole Fall, it would not there is a situation where the water of tap to overflow kitchen or toilet.

The structure of existing outlet device mainly includes outlet device main body, upper waterproof grommet, lower waterproof grommet, fixing piece The edge of outlet device mounting hole below washbasin or rinsing table is fixed on Deng, upper waterproof grommet, lower waterproof grommet is by fixing piece It is fixed on the edge of washbasin or rinsing table bottom rear outlet device mounting hole, is respectively used to water in seal isolation washbasin or rinsing table Three spaces between water overflow chamber and below water overflow chamber and washbasin or rinsing table are located between upper and lower waterproof grommet and are lauched Spillway hole on device is then limited in the water overflow chamber of washbasin or rinsing table by sealing.

If upper and lower waterproof grommet is not careful during installation, there may be gap, in this way, water may be from gap It overflows, just will appear drainage.If entire outlet device will fix, fixing piece is matched outer below outlet device by internal screw thread Screw thread and when rotated so that outlet device pulls down to realizing the effect for being compacted upper and lower waterproof grommet.Also it is therefore being lauched Set external screw thread setting range is very big on device, and the lower section that all spillway hole has been arrived in setting corresponds to the range of water overflow chamber.

The setting of this external thread structure has mortality very much, because the external screw thread of the part is to be present in water overflow chamber range Interior, the water in water overflow chamber can easily pass through lower waterproof grommet along the trend of screw thread and drain to outside.Therefore pacifying When dress, some people can wind some raw material bands on external screw thread, for increasing the anti-overflow effect of leakproof, and can also make fixing piece It is socketed with external screw thread even closer.However, doing so just seems more troublesome.

In addition, such as needing repairing because of some reasons after outlet device is using long period of time, after dismantling again It loads onto, upper and lower waterproof grommet will have gap with the contact of washbasin or rinsing table table body.This is because upper and lower anti-watertight Caused by the structure of seal and physical ageing hardening, it may need to replace it in this way.

Summary of the invention

Deficiency when the purpose of this utility model is exactly the installation in order to solve existing overflow-proof floor drain, and it is upper and lower anti- Waterstop ring structure and the physical reasons such as be hardened lead to the technical issues of gap occur after maintenance, and provide a kind of peace Dress is convenient, the overflow-proof floor drain for function of still bringing into normal play after maintenance.

The technical solution of the utility model problem of being solved is as follows:

Overflow-proof floor drain, including shell, upper and lower waterproof grommet, fixing piece, and the set spillway hole and outer on shell Screw thread, it is characterised in that: the external screw thread setting area is not at the range of corresponding anti-overflow chamber after shell installation；It is described lower anti- The inner wall ring and housing parallel of waterstop ring, and at least one of leakproof burr, the lower waterproof grommet are equipped on inner wall ring Bottom outer-edge fall into and be limited in limited ring groove set by fixing piece upper surface when fixture is fixed.

The bottom of limited ring groove set by the fixing piece is additionally provided with several bothriums, by the air in bothrium in limited ring groove When slot bottom and lower waterproof grommet contact, cooperation fixing piece increase when rotatably compressing lower waterproof grommet on external screw thread gap it Between compactness.

The section of the bothrium is in inverted trapezoidal.

The bottom of ring wall is equipped on the inside of the fixing piece is inclined outwardly with the matched screw thread of external screw thread, inside ring wall top, A chamber is formed after waterproof grommet under the limit of upper surface limited ring groove.

The inner wall of the lower waterproof grommet is parallel with housing outer surface, and slope surface is equipped with below leakproof burr, so that under Waterproof grommet bottom and inner wall form certain inclined shore when falling into limited ring groove set by fixing piece.

The beneficial effects of the utility model are as follows:

When the utility model screws lower waterproof grommet by fixing piece, set limited ring groove is horizontal and vertical thereon Apply inside and upward power on direction to lower waterproof grommet, and sets up defences in lower waterproof grommet inner wall ring and leak the work of burr It is easy for installation without using raw material band to be wound external screw thread with the lower effect for forming sealing and leakproof.

And by the setting of limited ring groove and leakproof burr, so that will not be because of lower waterproof after outlet device maintenance Sealing ring loses sealing effect because of physical ageing hardening.

Detailed description of the invention:

Fig. 1 is the appearance diagram of the utility model；

Fig. 2 is the structural exploded view of Fig. 1；

Fig. 3 is the diagrammatic cross-section of the utility model；

Fig. 4 is that the displaying of another angle of Fig. 3 is intended to；

Fig. 5 is the structural schematic diagram of fixing piece Yu lower waterproof grommet.

Specific embodiment:

Further details of elaboration is made to the utility model with reference to the accompanying drawing.

Refering to fig. 1 to Fig. 5, overflow-proof floor drain, including shell 1, upper and lower waterproof grommet 2,3, fixing piece 4, and in shell Set spillway hole 11 and external screw thread 12 on body 1, settable jump valve in the outlet device shell 1, in outlet device upper end when no jump valve Flip lid is set at discharge outlet.

12 setting area of external screw thread is not at after shell 1 is installed in the range A of corresponding anti-overflow chamber, i.e. external screw thread 12 Far from spillway hole, it is not present in after outlet device is mounted on washbasin or rinsing table in spilling water cavity space locating for spillway hole 11.Institute The inner wall ring 31 for stating lower waterproof grommet 3 is parallel with shell 1, and at least one of leakproof burr 32, institute are equipped on inner wall ring 31 The bottom outer-edge 33 for stating lower waterproof grommet 3 is fallen into when fixture 4 is fixed is limited to limited ring groove set by 4 upper surface of fixing piece In 41.

When the utility model is implemented, the leakproof burr 32 is three.In actual test, because under 4 spinning of fixing piece When 3 defective tightness of waterproof grommet, leak such as occurs, water no longer passes through when leaking through first to second, and leak preventing effect is bright It is aobvious.

The utility model realization principle is as follows:

By on outlet device shell 1 lower waterproof grommet 3 and fixing piece 4 rotate and exit from shell 1, clean washbasin or Above the outlet device mounting hole of rinsing table bottom, that is, discharge outlet and lower section mounting hole back edge.It then will be with upper anti-watertight The outlet device shell 1 of seal 2 is filled in from mounting hole, is stretched out from the back side of washbasin or rinsing table bottom, then from outlet device shell 1 Lower waterproof grommet 3 and fixing piece 4 are successively inserted in by lower section, by lower waterproof grommet 3 along 1 lower section strip of shell to washbasin or clearly The edge of platform bottom rear mounting hole is washed, rotary mount 4 to lower waterproof grommet 3 presses lower waterproof grommet 3 and mounting hole Edge gap completes the installation of outlet device.

With continued reference to Fig. 3, in this process, lower waterproof grommet 3 is consolidated horizontal by the outer surface being obliquely installed Determine the upward thrust of part 4 and be extruded in the edge of mounting hole, and there is circle segment to know from experience and enter in mounting hole.Mounting hole is downwards to lower anti- There is reaction force on the surface of waterstop ring 3, at this point, the outer rim 33 of lower waterproof grommet 3 can extend in deformation outward, and because solid Determine 41 meeting of limited ring groove set by part 4 so that the outer rim 33 of lower waterproof grommet 3 keeps original state, under the action of two power, under Waterproof grommet 3 will closely be bound round in 1 surface of shell.

Moreover, the inner wall ring 31 of lower waterproof grommet 3 is additionally provided with leakproof burr 32, leakproof burr 32 make inner wall ring 31 with The sufficient space of extrusion deformation is provided between shell 1 under above-mentioned active force, and leakproof burr 32 is between inner wall ring 31 It is more easily expanded after meeting water in small space compared with inner wall ring 31, can increase the contact of leakproof burr 32 with shell 1, the sealing effect made More preferably.

In addition, because of the structure of lower waterproof grommet 3 and fixing piece 4, even descending waterproof sealing after outlet device maintenance 3 there are aging conditions in circle, its leakproof burr 32 can make up aging and the anti-leakage that lacks for preventing water leakage.

With continued reference to Fig. 5, further, as the improvement to embodiment, the bottom of limited ring groove 41 set by the fixing piece 4 Portion is additionally provided with several bothriums 42, through the air in bothrium 42 when 41 slot bottom of limited ring groove and lower waterproof grommet 3 contact, matches It closes fixing piece 4 and increases the compactness between gap when rotatably compressing lower waterproof grommet 4 on external screw thread 12.

In the present invention, waterproof grommet 3 is when on mounting hole under 4 spinning of fixing piece for bothrium 42, lower anti-watertight The lower surface of seal 3 squeezes the extra air of bothrium 42, so that being lost most air in bothrium 42, also therefore generates certain Negative pressure, when lower waterproof grommet 3 jacks up upwards through 4 spinning of fixing piece increase under between waterproof grommet 3 and limited ring groove 41 Gap it is close.

Further, as the improvement to embodiment, the section of the bothrium 42 is in inverted trapezoidal.

Further, as the improvement to embodiment, the bottom of the 4 inside ring wall 43 of fixing piece is equipped with and external screw thread The screw thread 44 matched is inclined outwardly above inside ring wall 43, forms one after waterproof grommet 3 under the limit of upper surface limited ring groove 41 Chamber 5.The chamber 5 provides the space deformed when being squeezed for 31 section below of inner wall ring of lower waterproof grommet 3, and It is the upper section that the inside ring wall 43 that fixing piece 4 is inclined outwardly does not set screw thread in the side of chamber 5, this design can make to fix Part 4 is more laborsaving time saving in precession on 1 external screw thread 11 of shell, and only need to rotate several circles can be by fixing piece 4 from external screw thread 11 It exits, also need to only rotate several circles fixing piece 4 can be push to lower waterproof grommet 3 and be sealed in mounting hole edge.

In addition, the inner wall of the lower waterproof grommet 3 is parallel with 1 outer surface of shell as the improvement to embodiment, Slope surface 34 is equipped with below leakproof burr 32, so that 3 bottom of lower waterproof grommet and inner wall are falling into limited ring groove set by fixing piece 4 Certain inclined shore is formed when in 41.

It is crowded that the design makes 41 reaction force of limited ring groove and lower 3 upper surface of waterproof grommet be mounted hole edge in stress The resultant force that reaction force is formed is depressed, it is more targeted to the inner wall of lower waterproof grommet 3.

Claims (5)

1. overflow-proof floor drain, including shell, upper and lower waterproof grommet, fixing piece, and set spillway hole and outer spiral shell on shell Line, it is characterised in that: the external screw thread setting area is not at the range of corresponding anti-overflow chamber after shell installation；The lower waterproof The inner wall ring and housing parallel of sealing ring, and at least one of leakproof burr is equipped on inner wall ring, the lower waterproof grommet Bottom outer-edge is fallen into when fixture is fixed to be limited in limited ring groove set by fixing piece upper surface.

2. overflow-proof floor drain according to claim 1, it is characterised in that: the bottom of limited ring groove set by the fixing piece is also Equipped with several bothriums, through the air in bothrium when limited ring groove slot bottom and lower waterproof grommet contact, cooperation fixing piece exists Increase the compactness between gap when rotatably compressing lower waterproof grommet on external screw thread.

3. overflow-proof floor drain according to claim 2, it is characterised in that: the section of the bothrium is in inverted trapezoidal.

4. overflow-proof floor drain according to claim 1, it is characterised in that: on the inside of the fixing piece bottom of ring wall be equipped with The matched screw thread of external screw thread, inside ring wall top are inclined outwardly, and are formed after waterproof grommet under the limit of upper surface limited ring groove One chamber.

5. overflow-proof floor drain according to claim 1, it is characterised in that: outside the inner wall and shell of the lower waterproof grommet Surface is parallel, and slope surface is equipped with below leakproof burr, so that lower waterproof grommet bottom and inner wall are limited falling into fixing piece Certain inclined shore is formed when in the annular groove of position.