KR20130001721A - Dry trap valve for use in a non-flushing urinal and others drains - Google Patents

Abstract

The dry trap valve may comprise a holder (e.g. a band holder) having a wastewater inlet 30, a wastewater waste drain 40, a passage (e.g., a depression, recess or side pipe) for guiding the wastewater from the inlet to the drain. ) And elements (eg, sealing bands) for sealingly shielding passages. The sealing band includes a hinge adjacent the lower end of the depression and arranged to allow the waste water to flow into the drain when the waste water flows from the depression and to close when there is no flow of waste water.

Description

DRY TRAP VALVE FOR USE IN A NON-FLUSHING URINAL AND OTHERS DRAINS}

This application claims the priority of Provisional Application No. 61 / 336,300, filed January 20, 2010.

FIELD OF THE INVENTION The present invention relates to flow traps with malodor blocking mechanisms, such as cartridges used in non-flush urinals, in particular, which can be used without water or sealants, thereby improving the life and usefulness of the flow traps and An improved trap using dry trap valves that obviates the need to use water to unload.

In any type of pipe trap, it is necessary to allow the wastewater to flow unilaterally into the drain line through the trap, while blocking backwater from the drain line and the sewage gas and other unpleasant odors coming into the room through the trap. In the case of traditional urinals, this requirement is made by "S-shaped" traps (or similar devices) with curved sections that are flushed with fresh water each time they are used and fresh water that provides an odor blocking effect.

Non-flush traps are advantageous where water is expensive or expensive, or when stockpiling of water is desired. Conventional devices include those described in US Pat. No. 6,053,197, wherein sealants lighter than water form odor barriers and sealants remain in the trap.

Another prior art trap employs a one-way flapper valve as described in British Patent Application No. 2,296,309 to form a malodor barrier. Such flapper valves rely on the way of disposing the memory part of the elastomeric material so that the tip is normally in the closed position. These valves usually consist of a circular entry area that gradually flattens out towards two generally flat adjacent surfaces forming a discharge zone, where the shape memory forces the two surfaces against each other to prevent gas and odors flowing back through the tube. Will be blocked. The force of urine overcomes the elastomeric properties and opens the two flat parts on the outlet side to allow waste water to flow into the trap. The combination of the shape of the flat outlet and the memory properties of the materials used forces the two sides against each other to prevent harmful gases from escaping into the room.

Unfortunately, after such flapper valves of this prior art have been used repeatedly, the elastomer loses shape memory and remains open, allowing harmful gases to flow back through the trap and enter the room. In addition, the prior art flapper can also be left dry.

These and other problems are successfully addressed and overcome by the present invention in which dry trap valves, which are available for non-flush urinals and other drainage systems, are used to deliver fluids, such as urine or other wastewater, to wastewater collection and treatment sewers. do.

Dry trap valves include holders (e.g. band holders) having wastewater entry points, wastewater waste drains, passages (e.g. depressions, recesses or bypasses) and passageways for guiding wastewater from the inlet to the drain. An element (such as a sealing band) for sealingly shielding. The sealing band includes a hinge adjacent the bottom of the depression and disposed to allow flow of the wastewater to the drain when the flow of wastewater from the depression flows and to close when there is no flow of wastewater. Gas from the sewer pipe is also pressurized to the sealing band when there is no flow of waste water to further seal the recess.

The accompanying benefit is that it does not necessarily require the memory capacity of the elastomeric material, but instead closes the passageway to prevent sewage gas from flowing back through the valve via gravity and gas forces.

Other objects and advantages and a more complete understanding of the present invention will become apparent from the following exemplary embodiments and the accompanying drawings.

1 is a perspective view of a trap or cartridge configured for use with a non-flush urinal.
FIG. 2 is a cross-sectional view of the trap or cartridge shown in FIG. 1, further illustrating its positioning in the urinal. FIG.
FIG. 3 is a cross-sectional view of the trap or cartridge shown in FIG. 1 taken in a 90 ° field of view based on the diagram of FIG. 2, also showing its positioning in the urinal.
4 is a top view of the trap or cartridge shown in FIGS. 1-3 with inner and bottom components shown in local perspective.
5 is an exploded perspective view of the trap or cartridge shown in FIGS. 1-4 with internal components including a dry trap valve.
6 is a perspective view of the bottom portion of the trap or cartridge shown in FIGS. 1-5.
7 is a perspective view of the base or base portion of the trap or cartridge shown in FIGS. 1-5.
8 and 9 are perspective views of different angles for the dry valve.
10 to 13 show different angles of perspective (FIGS. 10, 11) and side cross-sectional views (FIGS. 12, 13) of the band holder elements of the dry valve shown in FIGS. 8 and 9; Various drawings.
14 and 15 are views of different angles to the elements of the dry valve forming the components of the clamping arrangement together with the band holders of FIGS. 10 to 13.
16-18 illustrate a sealing band for use in a dry valve, FIG. 16 shows the sealing band before its side elements are folded back, and FIGS. 17 and 18 are clamped or otherwise coupled to the band holder. The folded back side element is shown.
19 and 20 are perspective and side views, respectively, of an upper or upper portion of a trap or cartridge that is engaged by a key to be screwed to or urged out of the urinal, respectively.

Although the present invention is advantageous for drainage systems used in odor blocking drain traps present in showers, baths, sinks, floors and other drainage systems, for the purpose of detailing its usage, the following description is a non-flush urinal. The present invention relates to a preferred embodiment, and therefore is not intended to limit the present invention so specifically.

Referring to FIGS. 1-7, a non-flush urinal trap or cartridge 20 is, for example, the same as that illustrated in patent 6,959,723 (particularly FIG. 15), the disclosure of which is incorporated herein by reference. It is shown as being disposed in a urinal (refer to FIGS. 2 and 3), represented by 21. The trap 20 includes an upper portion 22 and a base portion 26 arranged to support a dry valve 24 having an entry tube or dry valve entry 32. The upper portion 22 includes a cover 28 that includes an entry opening 30 for urine or other wastewater collection. An O-ring 23 inside the annular slot of the cover 28 provides a seal to the urinal 21. As best shown in FIG. 3, a downwardly extending lip or brim 31 is formed on the underside of the cover 28 to surround the opening 30, whereby the dry valve 24 enters. It is possible to fix it to the tube 32. The waste water is guided to the opening 30 by the cover 28, where it flows into the entry tube 32 of the dry valve 24.

As shown in FIGS. 2, 3, 5-7 and 19, the barrier 70 may be a cartridge, for example, as shown and described in patent 7,575,022, the disclosure of which is incorporated herein. Separate into two compartments, a fluid inlet compartment and a fluid outlet compartment. The fluid discharge compartment terminates at a drain 40 leading to a sewer or similar outlet (indicated by box 41) (see FIGS. 2, 3 to 5 and 7). The barrier 70 terminates at the comb 72 and slides into the guide slot 74 when the upper portion is engaged with the base or bottom portion 26. The base is additionally provided with a tooth 76 for cooperating with the comb 72 to filter off or otherwise trap.

With reference to FIGS. 8-15, dry valve 24 is typically a band holder or rigid formed in a flat slope having a front face 34A and a back face 34B (shown separately in FIGS. 10-13). portion 34, clamp 38 (shown separately in FIGS. 14 and 15) and sealing band or movable portion 50 (shown separately in FIGS. 16-18). The entry tube 32 is in the upper portion of the band holder 34 and is adapted to collect waste water flowing out of the opening 30 of the cover 28. A depression, a recess or a side tube 36 (see FIGS. 3, 5, 10, 11) is formed in the band holder 34 and extends or protrudes from the back surface 34B. Recess 36 includes lower and upper ends 36A and 36B, with lower end 36A spaced from entry 32 and upper end 36B disposed adjacent entry 32. As best seen in FIGS. 3, 5 and 10, the wastewater flow path runs from the entry tube 32 to the depression 36, along the flat portion 39 of the band holder 34, Leads into the base 26 of the trap 20, where fluid can flow out of the trap or cartridge through a drain 40 leading to a sewer 41 or similar outlet (FIGS. 2, 3-5 and See FIG. 7).

Band holder 34 and clamp 38 may be made of a variety of materials, such as, for example, plastic, metal, sintered ceramic, or any material that can be molded into a fairly rigid and desirable shape. It has been found that acrylonitrile butadiene styrene (ABS) or polypropylene (PP) is effective for this application.

The sealing band 50 may be made of any flexible material, such as rubber, silicone rubber or any thermoplastic elastomer. As it turns out, synthetic rubber sheets having a thickness in the range of 0.2 mm to 0.4 mm are effective.

The band holder 34 can be attached to the trap 20 in a variety of ways, but it has been found that adhesion, compression fit, snap fit and ultrasonic welding all produce satisfactory results. The attachment is preferably such that the flattened portion 39 forms a downward slope at an angle of about 10 ° to 50 ° from vertical, and about 30 ° in a preferred embodiment (as can be seen approximately in FIGS. 11 and 12). It is made to form a downward slope at the angle of. However, at least as formalized today, dry valve 24 may function between horizontal to near vertical angles, ie within an angle ranging from 0 ° to less than 90 °.

9 to 13, the band holder 34 has two upper slots, more precisely, the upper right slot 42A and the upper left slot 42B, and the two lower slots, i.e., the lower right slot 44A. And lower left slot 44B. As further shown in FIGS. 14 and 15, the clamp 38 has a corresponding prong: the upper right side 46A, the upper left side 46B, the lower left side 48B and the lower side. It has a prong 48A. 8 and 9, each prong of the clamp 38 is fitted into the slot of the band holder 34 and snapped into place so that the prong 46A, the slot ( Clamping arrangements are provided, such as prongs 46B in 42B, prongs 48A in slots 44A, and prongs 46B in slots 44B.

16 to 18, the sealing band 50 has an upper portion 56, a lower portion 58, a right protruding wing 54A and a left protruding wing 54B. The upper portion 56 is usually disposed above the depression top 36B, and the lower portion 58 is usually disposed below the depression bottom 36A. As discussed more fully below, the protruding vanes 54A, 54B are illustrated in FIG. 16, which also illustrates how the protruding band of the sealing band is bent or folded when the sealing band is secured to the band holder 34. Along the fold dotted line 55 as shown, it is folded back as shown in FIGS. 17 and 18.

8 and 9, the sealing band 50 extends from a position such that the entry tube 32 is completely sealed, that is, the sealing band upper portion 56 is at least as high as the upper slots 42A, 42B, The lower portion 58 is disposed at the front face 34A of the band holder 34 so as to shield at least the depression 36. The protruding vanes 54A, 54B extend beyond the width of the band holder 34 and fold back around the band holder 34, preferably by the attachment mechanism 35, or holding the sealing band 50 in place. Secured to the back 34B of the band holder by any other mechanical implementation or bonding agent to ensure complete fixation between the sealing band and the band holder. As shown herein, the attachment mechanism 35 has an arrowhead punch-through extending outwardly from the back 34A of the holder to penetrate the protruding vanes 54A, 54B of the sealing band 50. ). Other fixation / settlement techniques known in the art may also be used, especially where overmolding techniques (multi-molding techniques) are utilized.

As shown in FIGS. 8 and 9, the lower portion 58 of the sealing band 50 may be arranged to be flipped upward or hinged along the line A-A 'in response to the flow of urine. A line A-A 'is disposed just below the protruding vanes 54A, 54B on the lower end side of the sealing band 50, so that most of the depression 36 is always shielded by the sealing band 50 during the flow of waste water, Most of the upwardly folded sealing band portion, which extends from the line A-A 'to the lower end of the band 50, is placed beyond the lower end of the depression 36 by utilizing the sealing band 50 as a hinge portion. This configuration results in articulated or hinged motion that allows opening and closing of the valve 24. The flow of waste water lifts the sealing band until it opens, and after the flow of liquid stops the opening is closed again by gravity.

The sealing band 50 is coupled to the band holder 34 to shield the depression 36. In a preferred embodiment of the present invention, the sealing band is held in place by enclosing both wings 54A, 54B around both sides 34A, 34B of the band holder and using the arrowhead punchthrough to support the wings 54A. 54B, the clamp 38 is disposed above the sealing band 50 to clamp the sealing band to the band holder 34. Although frictional engagement may be used, preferred clamping includes a right upper prong 46A into a right upper slot 42A, a left upper prong 46B into a left upper slot 42B, and a lower right prong 48A into a lower right slot. In 44A, the press-fit of the lower left prong 48B into the lower left slot 44B is used.

The clamp 38 also has a pair of curved flanges, namely a right flange 52A and a left flange 52B. The flange is used to press or press the sealing band 50 against the band holder 34 and is spaced far enough so as not to shield the depression 36.

In the preferred embodiment as shown in FIGS. 8 and 9 (also see FIGS. 10-13), the sealing band protruding vanes 54A, 54B at the lower edge portion thereof are located before the lower end 36A of the depression 36. While the upper portion 56 of the sealing band 50 extends beyond the upper end 36B of the depression 36, it is recessed by the sealing band 50 which is coupled to and compressed by the clamp 38. The seal is made by the shielding being completely.

The dimensions of the above mentioned parts are usually based on the size of the urinal trap. The size and shape (curve or other shape) of the depression 36 can be adjusted according to the expected liquid flow.

In operation, between the traps 20 are used, the sealing band 50 is held in place in large portions by gravity due primarily to the angle of the flats 39 so that the depression 36 and the entry tube are in place. Seal (32). The main purpose for the sealing band 50 to have elastomeric properties is to use it as a hinge. Since the sealing band 50 is laid flat and sealed against the depression 36 and the entry tube 32, the sewage gas flowing back from the sewer pipe 41 and unpleasant odors are blocked from entering the room. It has been found that the pressure of the sewage gas rising from the sewer pipe 41 can press the sealing band 50 more firmly against the depression 36 and the entry tube 32.

In the use of urinals, the waste water proceeds to the inlet opening 30 of the trap and flows therein into the inlet tube 32 of the dry valve 24. The force of the waste water passing through the entry tube 32 and the depression 36 provides a suitable pressure to overcome the force of gravity that holds the sealing band 50 in place and presses the sealing band upwards, thereby Allow it to pass and flow along drain 39 to drain 40. Once the flow of waste water stops, gravity again forces the sealing band 50 downward against the depression 36 and the entry tube 32 to provide a seal against gas and odors. Thus, waste water or other fluid is conveyed from the opening 30 to the sewer pipe 41 via the drain 40.

As shown in Figures 5, 19 and 20, the cartridge 20 can be inserted or removed by, for example, being screwed into the urinal using a key 62 or detached from the urinal. The key 62 includes a bent tip 64 and an angular stop 66 at one end and a handle 68 at the other end. The bent tip 64 is arranged to fit within the inlet opening 30 of the upper portion 22 and to be positioned obliquely therein. The stop 66 is in contact with the cover 28 for the purpose of assisting the tip 64 to be attached inside the opening 30.

Although the present invention has been described as described above as being used for non-flush urinal traps, the present invention may be used in situations where a odor blocking drain trap is required, such as, for example, showers, bathtubs, sinks, floors and other drainage systems. Can be used anywhere Thus, while the operation of the present invention has been described above in connection with a non-flush urinal, it should be noted that this is for convenience of illustration only and many other applications are possible.

Claims (23)

Dry trap valve for transporting fluids for the collection and disposal of fluids,
A holder having a fluid collection entry, a fluid processing drain, a passage for guiding fluid from the entry to the drain, and an element for sealingly shielding the passage;
Dry trap valve. The method of claim 1,
The holder comprises a band holder comprising a generally flat slope having a front side and a back side,
The passage includes a depression having a top protruding from the back and having a top adjacent to the entrance and a bottom spaced from the entrance,
The sealing element includes a sealing band positioned at the front side.
Dry trap valve. The method of claim 2,
The sealing band includes a hinge adjacent the bottom of the depression and arranged to be segmented upon flow of fluid from the depression to allow fluid to flow into the drain and to be closed when there is no fluid flow.
Dry trap valve. The method of claim 2,
The band holder includes a flat portion extending beyond the bottom of the depression,
The sealing band generally includes an upper portion positioned above the depression top, and a lower portion positioned generally below the depression bottom.
Dry trap valve. 5. The method of claim 4,
The lower portion of the seal band is essentially arranged to be segmented along a line located directly below (a) the lower portion of the seal band and (b) below the bottom of the depression so that most of the depression is retained in the seal band even during the flow of the fluid. Having a structure that is always shielded by the valve, thereby imparting a hinge movement to the sealing band to allow opening and closing of the valve, thereby lifting the flow of fluid until the sealing band is opened and subjecting it to gravity after the liquid flow is stopped. To allow the closing of the valve by
Dry trap valve. The method of claim 2,
Further comprising a clamp arrangement coupling the sealing band to the band holder.
Dry trap valve. The method according to claim 6,
In order to enable the implementation of the clamp arrangement,
The band holder includes a lower slot spaced apart from the upper slot spaced apart,
The clamp includes a pair of spaced top prongs and a pair of spaced bottom prongs, each of which is equal in number to the spaced top and bottom slots, respectively,
The clamp arrangement includes each clamp prong snapping into the band holder slot.
Dry trap valve. The method of claim 2,
The band holder includes a flat portion extending beyond the bottom of the depression,
The sealing band generally includes an upper portion positioned over the top of the depression, a lower portion generally positioned below the bottom of the depression, and a protruding wing positioned between the upper portion and the lower portion of the sealing band.
Dry trap valve. 9. The method of claim 8,
The lower portion of the sealing band is essentially arranged to be segmented along a line located (a) directly below the protruding vanes toward the lower portion of the sealing band and (b) below the bottom of the depression, such that a majority of the depression Having a structure that is always shielded by the sealing band even during flow, thereby imparting a hinge movement to the sealing band to allow opening and closing of the valve, thereby raising the flow of fluid until the sealing band is opened and allowing the liquid flow to After stopping, allow the valve to close by gravity
Dry trap valve. Non-flushing cartridges that can be placed in urinals for the collection and disposal of urinals and wastewater,
A dry trap valve for conveying wastewater to the drain,
The dry trap valve includes a band holder having a wastewater collection entry portion and a passage in the holder for guiding the wastewater with the wastewater, and a sealing band for shielding the passageway.
Urinal and non-flush cartridge. The method of claim 10,
The band holder includes a structure forming a generally flat slope having a front and a back;
The passage includes a depression having a top protruding from the back and having a top adjacent to the entrance and a bottom spaced from the entrance,
The sealing band is located in the front
Urinal and non-flush cartridge. The method of claim 11,
The sealing band is adjacent to the lower end of the depression and is segmented when the wastewater flows from the passage to allow the wastewater to flow to the drain, and closes when there is no flow of wastewater, and the gas from the sewer pipe is closed. A hinge portion arranged to allow to assist in sealing the depression by a sealing band
Urinal and non-flush cartridge. The method of claim 12,
The band holder includes a flat portion extending beyond the bottom of the depression,
The sealing band generally includes an upper portion positioned above the depression top and a lower portion positioned generally below the depression bottom.
Urinal and non-flush cartridge. The method of claim 13,
The lower portion of the sealing band is arranged to be segmented along a line located essentially below (a) the lower portion of the sealing band and (b) below the bottom of the recess, such that the majority of the recess is also present during the flow of wastewater. Having a structure which is always shielded by means of the valve, thereby imparting a hinge movement to the sealing band to allow opening and closing of the valve, thereby raising the flow of waste water until the sealing band is opened and gravity after the liquid flow is stopped. To close the valve and allow gas from the sewer pipe to assist in sealing the sealing band to the depression
Urinal and non-flush cartridge. The method of claim 10,
Further comprising a clamp arrangement coupling the sealing band to the band holder.
Urinal and non-flush cartridge. 16. The method of claim 15,
In order to enable the implementation of the clamp arrangement,
The band holder includes a lower slot spaced apart from the upper slot spaced apart,
The clamp includes spaced apart upper prongs and spaced lower prongs, each equal in number to the spaced upper and lower slots,
The clamp arrangement includes each clamp prong snapping into the band holder slot.
Urinal and non-flush cartridge. The method of claim 10,
The band holder includes a generally flat slope having a front side and a back side,
The passage includes a depression having a top protruding from the back and having a top adjacent to the entrance and a bottom spaced from the entrance,
The sealing band is located in the front
Urinal and non-flush cartridge. 18. The method of claim 17,
The band holder includes a flat portion extending beyond the bottom of the depression,
The sealing band generally includes an upper portion positioned over the top of the depression, a lower portion generally positioned below the bottom of the depression, and a protruding wing positioned between the upper portion and the lower portion of the sealing band.
Urinal and non-flush cartridge. 19. The method of claim 18,
The lower portion of the sealing band is arranged to be segmented essentially along (a) a line just below the protruding vanes toward the lower portion of the sealing band and (b) below the bottom of the depression, so that the majority of the depression is Having a structure that is always shielded by the sealing band even during flow, thereby imparting a hinge movement to the sealing band to allow opening and closing of the valve, thereby raising the flow of waste water until the sealing band is opened and allowing the liquid flow to After stopping, allow the valve to close by gravity
Urinal and non-flush cartridge. Flow guide for carrying fluids,
A rigid portion having a passage for allowing flow of the fluid,
Coupled to the rigid portion and positioned gravitationally over the passage of the rigid portion, opening against the force when the force of the fluid is present, causing closure of the passage of the rigid portion by gravity when no fluid force is present; Including a movable part having a configuration
Flow guide. 21. The method of claim 20,
The rigid passage is coupled to the outlet for fluid collection, the outlet containing gas so that when no fluid force is present, the gas exerts a pressure on the movable part to reinforce the closure.
Flow guide. Flow guide for carrying fluids,
A stiffened portion for enabling fluid flow and including a passage coupled to the outlet for collecting fluid containing gas,
Including a movable part,
The movable portion is coupled to the rigid portion and is open against the force when the force of the fluid is present and when the fluid force is not present gas pressurizes the movable portion to cause closure of the rigid passageway by the movable portion. Having a configuration
Flow guide. The method of claim 22,
The movable portion is gravity positioned over the rigid passageway so that the closure is enhanced by gravity when no fluid force is present.
Flow guide.

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