CN201343759Y

CN201343759Y - Self-sealing floor drain

Info

Publication number: CN201343759Y
Application number: CN 200820205969
Authority: CN
Inventors: 杨继跃
Original assignee: Guangdong Liansu Technology Industrial Co Ltd
Current assignee: Guangdong Liansu Technology Industrial Co Ltd
Priority date: 2008-12-24
Filing date: 2008-12-24
Publication date: 2009-11-11
Anticipated expiration: 2018-12-24

Abstract

The utility model discloses a self-sealing floor drain, comprises a floor drain body (1) and a floor drain cover (2). The floor drain cover (2) is suitable to the upper end caliber of the floor drain body (1); the floor drain cover (2) is provided with a water leakage hole (4); the floor drain body (1) is in a bowl shape, the bottom caliber of which is suitable to the connected water draining pipe caliber; the floor drain body is internally provided with a floating ball (3) and a retainer ring (5); the inner diameter of the retainer ring (5) is identical with or more than the diameter of the floating ball (3); and the retainer ring (5) is arranged above the lower end caliber of the floor drain body (1), so that the up movement and the down movement of the floating ball (3) are limited above the lower end caliber of the floor drain body (1). The floating ball and the floating ball retainer structure adopted by the utility model solves the problems of backwater, back-taste, in and out of living things, infective pathogen to be disseminated from the drain and the like. The utility model has the advantages of simple and reasonable structure, uneasy damage, smooth water drainage, strong practical performance, convenient assembly and disassembly, simple manufacturing technique and low cost.

Description

A kind of automatic seal floor drain

Technical field

The utility model relates to the waste water dewatering installation, is specifically related to a kind of automatic seal floor drain.

Background technology

Floor drain is seen everywhere as drainage fitting, and existing floor drain mainly is made up of the grate and the deodorization gas hood of a drainage, and metal is made, and has plenty of with the pig iron and casts, and have plenty of with stainless steel and make, not only corrosion easily, damage, application life is short.Along with development in science and technology, drainage pipe is converted to materials such as PVC, PE gradually, but in case stops up difficulty of mediation.

Traditional floor drain commonly used at present, majority is the inverted bowl type floor drain, the bottom connects U type pipe and does water seal, isolate foul smell, but at certain hour amount of water not, water seal will be evaporated easily and be killed, cause the forfeiture of foul smell safeguard function, underground stink smell and insect etc. can be passed through floor drain, contaminated environment easily, the flow of traditional sewer pipe is little in addition, cause deposition of dirt to stop up easily, hydrophobic not smooth, the cleaning trouble, the dirt holdup time is long, easily breed bacteria and foul smell.

Improvement to traditional floor drain now has a variety of, as adopt floating drum, ball float etc. to seal, though can play certain automatic sealing effectiveness, floating drum, ball float etc. tends to back and forth floating so can not guarantee thorough sealing, stink etc. still can pass through floor drain from the slit.Adopt pilot pin to limit the scope of activities of ball float etc. at some scheme of this situation, promptly establishing a pilot pin in the floor drain center makes it pass ball float and floor drain center respectively, but pilot pin has been grown from the middle time of passing of ball float and has been easy to cause the ball float damage, and contacting of pilot pin and ball float is face and the contacting of face, floor drain can contact a large amount of dirts again for a long time, so cause ball float to be easy to block, influence sealing effectiveness then, and maintenance rate height.

Summary of the invention

The purpose of this utility model is at the deficiencies in the prior art, and a kind of simple in structure, easy to clean, good sealing effect is provided, and can effectively stop pernicious gas and insect etc. by sewerage system gush out harm environment and the low automatic seal floor drain of maintenance rate.

Above-mentioned purpose of the present utility model is achieved by following scheme:

A kind of automatic seal floor drain, comprise floor drain body (1) and drain cover (2), floor drain body (1) is bowl-shape, its bottom is a throat structure, the bottom bore suits mutually with the drainage pipe bore that joins, make it can just insert sewer pipe, thereby return flume needn't be set, solved the dirty problem of depositing, tangent the closing of upper end bore of drain cover (2) and floor drain body (1), drain cover (2) is provided with leaking hole (4), and floor drain body (1) inside also is provided with ball float (3), and ball float (3) is seated on the bottom nozzle of floor drain body (1).

Ball float setting of the present utility model is similar to the unsteady lightweight structures of table tennis principle, make full use of the buoyancy of water principle, solved the problem of leaking and preventing the foul smell backflow: under the natural force situation, ball float (3) falls within the bottom nozzle of floor drain body (1), and floor drain is sealing state; When water bled, water floated ball float (3), generated the slit with the bottom nozzle place of suiting, the water discharging of just dropping; After draining was finished, ball float (3) fell within bottom nozzle with discharging downelling, recovered sealing state, had stoped to go up on the foul smell and had returned, and the pollution returned on the foul smell has been avoided in inside and outside isolation, has protected living environment.

Event trace for standard ball float (3) come-up, sinking, the utility model also is provided with a back-up ring (5) in floor drain body (1) inside, the internal diameter of back-up ring (5) is consistent or big slightly with the diameter of ball float (3), back-up ring (5) is arranged on directly over the bottom bore of floor drain body (1), make the upper and lower limit movement of ball float (3) in the bottom of floor drain body (1) bore top, thereby prevent that the afloat situation of vacillating now to the left, now to the right from appearring in ball float (3) when being subjected to buoyancy of water, stop insect to enter the harm environment by the draining road junction.In addition, compare with existing pilot pin, the contact surface of back-up ring and ball float is very little, belongs to a little and the contacting of face, and therefore is not easy to occur the problem that ball float blocks, and can keep good sealing effectiveness of long period, and the maintenance rate is low.

Can also be provided with a plurality of leaking holes (4) on the drain cover of the present utility model (2), a plurality of leaking holes (4) can be designed to be looped around the periphery of the centre bore of drain cover (2).

Compared with prior art, the utlity model has following beneficial effect:

1. the utility model adopts the ball float design, can realize with the reduction of water column having avoided producing the problem of foul smell from movable sealing, replaces the water seal effect of U type pipe, has saved material, can select thick slightly sewer pipe for use, and augmented flow has shortened holdup time of dirt;

2. ball float that the utility model adopted and ball float back-up ring structure, difficult problems such as sewer returns water, returns flavor, being turnover, the propagation of spreading venereal diseases reason sewer have not only been solved, and back-up ring design makes ball float can keep well sealing effectiveness for a long time and can not blocked by dirt, thereby guaranteed the low maintenance rate of whole automatic seal floor drain;

3. the utility model is simple and reasonable, and not fragile, draining is unimpeded, and is practical, easy installation and removal, and manufacture craft is simple, and is with low cost.

Description of drawings

Fig. 1 is the generalized section of automatic seal floor drain;

Fig. 2 is the vertical view of automatic seal floor drain;

Wherein, 1 is floor drain body, and 2 is drain cover, and 3 is ball float, and 4 is leaking hole, and 5 is back-up ring.

The specific embodiment

Further specify the utility model by embodiment, therefore the utility model is not limited among the described scope of embodiments.

As shown in Figure 1, a kind of automatic sealing floor drain of present embodiment comprises floor drain body (1) and drain cover (2), floor drain body (1) is bowl-shape, the basin shape mouth bore that its bottom is undergauge suits mutually with the drainage pipe bore that joins, tangent the closing of upper end bore of drain cover (2) and floor drain body (1), drain cover (2) is provided with leaking hole (4).

Floor drain body of the present utility model (1) inside is provided with ball float (3), and ball float (3) is seated on the basin shape mouth of floor drain body (1) bottom.

Floor drain body of the present utility model (1) inside also is provided with a back-up ring (5), and the internal diameter of back-up ring (5) is consistent or big slightly with the diameter of ball float (3), and back-up ring (5) is arranged on directly over the bottom bore of floor drain body (1).

As shown in Figure 2, drain cover of the present utility model (2) is provided with a plurality of leaking holes (4), and a plurality of leaking holes (4) are looped around the periphery of the centre bore of drain cover (2).

Under the natural force situation, ball float (3) falls within the bottom nozzle of floor drain body (1), and floor drain is sealing state; When bleeding as the leaking hole (4) of water from drain cover (2), water floats ball float (3), generates the slit with the bottom nozzle place of suiting of floor drain body (1), the water discharging of just dropping; After draining was finished, ball float (3) fell within bottom nozzle with discharging downelling, and whole floor drain apparatus recovers sealing state, returns thereby stoped to go up on the foul smell, and the pollution of returning on the foul smell has been avoided in inside and outside isolation.Because the existence of back-up ring (5), guaranteed the bore top, bottom that moving up and down of ball float (3) is limited in floor drain body (1), thereby prevent that the afloat situation of vacillating now to the left, now to the right from appearring in ball float (3) when being subjected to buoyancy of water, stop insect to enter the harm environment by the draining road junction.

Claims

1, a kind of automatic seal floor drain, comprise floor drain body (1), drain cover (2), tangent the closing of upper end bore of drain cover (2) and floor drain body (1), drain cover (2) is provided with leaking hole (4), described floor drain body (1) is bowl-shape, its bottom bore suits mutually with the drainage pipe bore that joins, floor drain body (1) inside is provided with ball float (3), it is characterized in that floor drain body (1) inside also is provided with a back-up ring (5), the internal diameter of described back-up ring (5) is consistent or big slightly with the diameter of ball float (3), back-up ring (5) is arranged on directly over the bottom bore of floor drain body (1), make ball float (3) on, following limit movement is in the bottom of floor drain body (1) bore top.

2, seal floor drain according to claim 1 is characterized in that described drain cover (2) is provided with a plurality of leaking holes (4), and described a plurality of leaking holes (4) are looped around the periphery of the centre bore of drain cover (2).