CN1926290A

CN1926290A - Self-sealed floor drain

Info

Publication number: CN1926290A
Application number: CNA2004800421452A
Authority: CN
Inventors: 谢先文
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-03-10
Filing date: 2004-12-30
Publication date: 2007-03-07
Anticipated expiration: 2024-12-30
Also published as: HK1090966A1; WO2005085537A1; CN2714643Y; EP1724402A4; EP1724402A1; CN100414047C

Abstract

The present invention relates to a self-sealing floor drainage, which includes: a drainage body (1) installed in a drain pipe of the sewer or in a conventional campanulate floor drainage, and a seal elastic member (13) installed movably in the water outlet of the drainage body (1). Said drainage body (1) is a hollow circular cylinder, it includes a casing (11); An open/close member (12) is installed on the inside wall of the said casing of the drainage body, a torsion spring (136) is installed in the said open/close member (12) for opening and closing the seal elastic member (13); The seal elastic member (13) moves downwards by the sewage weight to open the seal part, and the sewage flows into the drain pipe, then the seal part is closed by the torsion spring (136), so that the sewage in barotropic state, the foul odors, the harmful gas and the pests can be prevented. This apparatus is simple, convenient, stake, and safe. The wastewater can be drained freely, and the cost is reduced.

Description

Self-sealed floor drain

Self-sealed floor drain technical field

The present invention relates to a kind of interface equipment for connecting sewerage system and flooring, more particularly to a kind of draining is unobstructed and the self-sealed floor drain that can prevent the sewage in sewer from flowing backwards.Background technology

It is well known that floor drain is the important interface equipment for connecting sewerage system and flooring.Existing known floor drain generally comprises bell jar, buckles bowl, upper water castor lid.Because the button bowl of this known bell-jar floor drain can be easily removed or because the malleation in pipe-line system causes floating to make damage of water block, the intrusion for causing peculiar smell and pernicious gas, insect and the sewage of drainpipe sewer mouth to flow backwards.In order to prevent the intrusion of peculiar smell and pernicious gas, insect and sewage refluence, self-sealed floor drain is increasingly valued by people, such as international patent of invention（China Patent No.：99801762.0) one kind " equipment for preventing reverse flow in drainage " disclosed in, as shown in Figure 1, it is a kind of braking opening and closing device up and down of reverse utilization water energy, and with unique piston cylinder operator, the self sealss of existing floor drain are solved the problems, such as really.But, because its balance weight body has resisted the unlatching size of switch-starter just under hydraulic pressure effect, and because its switch-starter is located at the center of floor drain, when carrying out draining, the starter rises, and blocks the passage of sewage entrance, therefore significantly limit the flow velocity of water, when displacement is larger, sewage can not enter sewer by the floor drain completely at once and can produce excessive phenomenon；Because its switch-starter is driven using gear and rack intermeshing, make the manufacturing process complexity of the floor drain, manufacturing cost is higher.In addition, the balance weight body and switch-starter of the floor drain are sleeved on the slide bar of center, substantial amounts of sewage is penetrated into balance weight body and switch-starter along center slide bar, so switch-starter is operated in the environment of sewage, cause switch-starter cisco unity malfunction, using being functionally restricted, make the performance of product unstable, fixed.The content of the invention

The present invention is obstructed in order to solve draining present in above-mentioned prior art, complicated, and production cost height and the unstable defect of performance, the present invention provide a kind of self-sealed floor drain.Including：

Floor drain body in the downcomer or existing bell-jar floor drain of sewer（1) and mobilizable delivery port installed in floor drain body (1) sealing software (13);The floor drain body (1) is hollow cylinder, including shell（11 );

It is characterized in that, switching device is installed in the madial wall of the shell (11) of the floor drain body (1)（12), in the switching device（12) it is provided with for opening and closing the sealing software（13) torsion spring（ 136 ).

The self-sealed floor drain of the present invention is rational in infrastructure, easy to use, stably, has a safety feature, draining The low self-sealed floor drain of unobstructed and production cost.Brief description of the drawings

Fig. 1 is the schematic cross-sectional view of known floor drain；

Fig. 2 is the structural representation of the self-sealed floor drain of the embodiment of the present invention；

Fig. 3 is the sectional view of the shell of the self-sealed floor drain of the embodiment of the present invention；

Fig. 4 is Fig. 3 top view；

Fig. 5 is the sectional view of the switching device of the self-sealed floor drain of the embodiment of the present invention；

Fig. 6 is Fig. 5 upward view；

Fig. 7 is the sectional view of the torsion spring pull bar of the self-sealed floor drain of the embodiment of the present invention；

Fig. 8 is Fig. 7 upward view.Embodiment

The present invention is described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 2 to Fig. 8, the present invention provides a kind of self-sealed floor drain that can be independently mounted at sewer or be used cooperatively with existing bell-jar floor drain, in the present embodiment to be used cooperatively with existing bell-jar floor drain, including：Floor drain body 1, connecting interface 2, seal 3.Floor drain body 1 is used for installed in sewer or used cooperatively with existing bell-jar floor drain.Connecting interface 2 is sleeved on floor drain body 1, is connected for the downcomer or bell-jar floor drain directly with sewer.Seal 3 is then sleeved on the outside of connecting interface 2, for playing sealing function in connecting interface 2 and existing bell-jar floor drain or between sewer inwall.

Wherein, floor drain body 1 includes shell 11, switching device 12 and sealing software 13.

As shown in Figure 3, Figure 4, shell 11 is hollow cylinder, and the annular outers 111 of Yi Round are outwards integrally extended with the top circumferential of its water inlet.The bottom of shell 11 delivery port position slightly upwardly it is inwardly projecting be extended with hermetic unit 112, the upper and lower part of hermetic unit 112 is circular shape.Longitudinal chute 113 of the interior sidewall surface of a pair of longitudinal direction not insertion shells 11 is offered in the interior sidewall surface 114 of shell 11, chute 113 can be opened in any position in the interior sidewall surface of shell 11, it is shaped as triangle, naturally it is also possible to for other geometries.

As shown in Figure 5, Figure 6, switching device 12 is the trapezoidal hollow prolate body in a longitudinal section.Its top surface 121 and the Jun Wei Round cambered surfaces of left surface 122, thus it can be prevented that the debris in sewage, and such as hair accumulation or extension stay in top surface 121 and left surface 122, cause the stop of the current to entering floor drain.The right flank 124 of switching device 12 is open surface, two bottom sides in two side 125 are outwards integrally extended with a projection 126 respectively, the form and dimension size of projection 126 is closed with the form and dimension matching size of the chute 113 on shell 11, is in the present embodiment triangle.During installation, projection 126 is inserted into chute 113, projection 126 is tight fit with chute 113.For the circular arc with shell 11 Shape internal face 114 is fitted close, and the bottom surface that two side 125 and projection 126 are in contact with the internal face 114 of shell 11 is also the arc surface being engaged with the circular arc internal face 114 of shell 11.Thus enable that switching device 12 by projection 126 closely and can along the longitudinal sliding motion of chute 113 be arranged on shell 11 on.Through hole 127 is offered in the bottom surface 123 of switching device 12.An internal diameter is formed with bottom surface 123 identical with the diameter of through hole 127 and constitute an internal diameter hollow inner catheter 138 identical with the diameter of through hole 127 and concentric with through hole 127 with through hole 127 Tong the left surface 122 of the Round arcs body 128 of Xin Round arcs body 128 and the circular arc of switching device 12, naturally it is also possible to direct hollow inner catheter 138 integrally formed on bottom surface 123.As shown in Figure 7, Figure 8, a cylindrical torsion spring pull bar 129 is arranged in hollow inner catheter 138.A groove 130 is offered on torsion spring pull bar 129, its shape can be random geometry, it is triangle in the present embodiment, and the projection 131 that shape is engaged with groove 130 is formed with the inner side of hollow inner catheter 138, during assembling, projection 131 is inserted in groove 130.Thus, torsion spring pull bar 129 is made to be merely able to sliding axially along hollow inner catheter 138.The upper end of torsion spring pull bar 129 is provided with stopper 132, for limiting stroke distances of the torsion spring pull bar 129 in slip.A screwed hole 133 is offered on the lower surface of torsion spring pull bar 129.A hole 139 is offered in the upper surface of extension spring pull bar 129, a cylinder 140 is fitted with upwards in hole 139, the top of cylinder 140 is provided with spring hoisting ring 134.Cylinder 140 can be integrally formed or be threadedly coupled with torsion spring pull bar 129.A spring fastening 135 is formed with the lateral surface of hollow inner catheter 138, a groove is offered in the top surface middle of spring fastening 135, the movable connection of groove of the two ends of torsion spring 136 respectively with spring hoisting ring 134 and spring fastening 135.

Be in the bottom of shell 11 hermetic unit 112 bottom be provided with sealing software 13.The lower surface for sealing software 13 is concordant with the bottom surface of shell 11.The shape of sealing software 13 is engaged with the circular arc of the bottom of hermetic unit 112, the shape of its circular arc can prevent sewage in discharge, and the debris in sewage rests on the periphery of sealing software 13 and influences to seal the sealing of the seal 137 between software 13 and hermetic unit 112.Through hole is offered on sealing software 13, during installation, the position of the through hole faces Luo Pattern holes 133 on the lower surface of torsion spring pull bar 129, insert the through hole with a screw Ji in Luo Pattern holes 133, sealing software 13 is fixedly connected with torsion spring pull bar 129.

Connecting interface 2 is hollow cylinder, and it is sleeved on the top of the shell 11 of floor drain body 1, for floor drain body 1 to be connected with the downcomer or existing bell-jar floor drain of sewer.Sealing ring 5 is provided between the outer 111 of shell 11 and connecting interface 2.

Seal 3 is provided with the outside of connecting interface 2, seal 3 is annular, and sealing ring 6 is provided between the contact surface of connecting interface 2 at it, it is " L " shape or other shapes.Semi-circular recesses 31 are offered in its outer circumference surface, O-ring seals 8 are installed in groove 31.The excellent sealing of the downcomer of floor drain body 1 and sewer or the internal face of existing bell-jar floor drain is realized by seal 3.

In the use of the present invention, under sewage Action of Gravity Field, sealing software 3 drive torsion spring pull bar 129 to Lower movement, opens seal 137, and sewage flows into downcomer.After hours, drive torsion spring pull bar 129 to move up by torsion spring 136, so as to be moved up with dynamic sealing software 3, seal 137 is closed, it is to avoid due to the intrusion of barotropic state sewage, peculiar smell and pernicious gas and insect in downcomer.

Because the switching device 12 of the present invention is arranged on the side of floor drain body 1, therefore, compared with switching device to be arranged on to the center of floor drain body in the prior art, sewage enter it is fashionable can reduce the stop to sewage, make sewage will not be because amount is big and overflow, and avoid the delay of the dirts such as hair, defect present in prior art is overcome, and the component in switching device can be reduced, makes the structure cylinder of the present invention single, it is easy to use, stably, have a safety feature.

Claims

Claim:

1. a kind of self-sealed floor drain, including：

Floor drain body in the downcomer or existing bell-jar floor drain of sewer（1) it is and mobilizable installed in floor drain body（1) the sealing software of delivery port（ 13);The floor drain body（1) it is hollow Round cylinders, including shell（11);

Characterized in that, in the shell of the floor drain body (1)（11) madial wall is provided with switching device（12), in the switching device（12) it is provided with for opening and closing the sealing software（13) torsion spring（ 136).

2. self-sealed floor drain as claimed in claim 1, it is characterised in that in the shell of the floor drain body (1)（11) chute is offered on（113), the switching device（12) it is slidably mounted on the chute（113) on.

3. self-sealed floor drain as claimed in claim 2, it is characterised in that the switching device（12) it is the trapezoidal hollow prolate body in a longitudinal section；Its top surface（And left surface 121)（122) it is arc surface, the switching device（12) right flank（124) it is open surface, in two side（125) it is raised that two bottom sides are outwards integrally extended with one respectively（126), the projection（126) with the chute（113) it is engaged, and is inserted in chute（113) in, in the switching device（12) bottom surface (123) offers through hole (127).

4. self-sealed floor drain as claimed in claim 3, it is characterised in that the switching device（12) two side（125) it is and raised（And shell 126)（11) internal face（114) bottom surface being in contact also is and the shell（11) circular arc internal face（114) arc surface being engaged.

5. self-sealed floor drain as claimed in claim 4, it is characterised in that in the switching device（12) internal diameter and the through hole are formed with bottom surface (123)（127) diameter is identical and and through hole

(127) concentric hollow inner catheter（138);In the hollow inner catheter（138) cylindrical torsion spring pull bar is provided with（129), in torsion spring pull bar（129) groove is offered on（130), in the hollow inner catheter（138) it is formed with interior sidewall surface and groove（130) projection being engaged（131), the projection（131) it is arranged on groove（130) in.

6. self-sealed floor drain as claimed in claim 5, it is characterised in that in the torsion spring pull bar（129) upper end is provided with stopper（132), for limiting torsion spring pull bar（129) stroke distances when sliding, in the torsion spring pull bar（129) screw thread (133) is offered on lower surface, a hole is offered in its upper surface（139), in hole（139) cylinder is fitted with upwards（140), in cylinder（140) spring hoisting ring is provided with top（134), in the hollow inner catheter（138) lateral surface is formed with a spring fastening（135), in spring fastening（135) top surface middle offers a groove, torsion spring（136) two ends respectively with spring hoisting ring（134) and spring fastening (135) the movable connection of groove.

7. the self-sealed floor drain as described in any ^ in claim 1-6, it is characterised in that in the shell（11) position of the delivery port of bottom slightly upwardly is inwardly projecting is extended with hermetic unit 112, and the upper and lower part of hermetic unit 112 is circular shape, the sealing software（13) shape and hermetic unit

(112) bottom Round arc matching ^, in the sealing software（13) through hole is offered on, the position of the through hole faces torsion spring pull bar（129) Luo Pattern holes on lower surface（133) through hole and screwed hole, are inserted with a screw（133) in, software will be sealed（13) Dry (129) is drawn to be fixedly connected with torsion spring.

8. self-sealed floor drain as claimed in claim 7, it is characterised in that the top circumferential of body (1) water inlet, which outwards integrally prolongs ^ Γ Shens, on described ground an annular outer（111 ).

9. self-sealed floor drain as claimed in claim 8, it is characterised in that the shell of Di Full bodies (1) described in（11) connecting interface is installed on lateral surface（2), the connecting interface（2) it is hollow cylinder, for floor drain body 1 to be connected with the downcomer or existing bell-jar floor drain of sewer, in shell（11) outer（And connecting interface 111)（2) sealing ring is provided between（5).

10. self-sealed floor drain as claimed in claim 9, it is characterised in that in the connecting interface（2) seal is provided with the outside of（3) it is, close to go in part（3) it is annular, in itself and the connecting interface（2) sealing ring in " L " shape is provided between contact surface（6), in the sealing ring（6) outer circumference surface offers semi-circular recesses（31), in groove（31) 0 shape sealing ring is installed in（8).