CN102535764A

CN102535764A - Overflow device for a water drain assembly and water drain assembly with overflow device

Info

Publication number: CN102535764A
Application number: CN201110385521XA
Authority: CN
Inventors: 亚历山德罗·乔瓦尼尼; 尼古拉·桑卡; 詹马里奥·皮奇内利
Original assignee: Valsir SpA
Current assignee: Valsir SpA
Priority date: 2010-11-26
Filing date: 2011-11-28
Publication date: 2012-07-04
Anticipated expiration: 2031-11-28
Also published as: ES2435316T3; AU2011253693B2; EP2468979B1; AU2011253693A1; CN102535764B; EP2468979A1; ITMI20102197A1; IT1403885B1

Abstract

Provided is an overflow device (25) for a water drain assembly and a water drain assembly with the overflow device. An overflow device (25) for the water drain assembly, in particular for drainage systems for roofs of buildings, comprises a removable overflow accessory component (30), which extends substantially along an axis (A) and which can be installed on a water drain assembly (1) for varying the level of water entering the drain assembly (1); the component (30) comprises a lower element (31) and an upper element (32), which are telescopically coupled together along the axis (A), and a height-adjustment device (33) for varying the position of the elements (31,32) with respect to one another along the axis (A), and consequently the axial height of the component (30).

Description

Be used for the overflow mechanism of discharge casing and be provided with the discharge casing of said overflow mechanism

Technical field

The present invention relates to a kind of overflow mechanism (overflow device) that is used for discharge casing (especially for the discharge casing of the drainage system on building roof); And relate to a kind of discharge casing that is provided with said overflow mechanism, especially for the discharge casing of the drainage system on building roof.

Background technology

Usually, the drainage system that is used for the building roof that is used to drain rainwater is formed by collecting vent tank and grid.

Usually, confirm the size of drainage system according to desired rainfall in the area of drainage system is installed.Yet a kind of emergency approach is on the main system next door emergency system to be set, and prevents the building roof function that over-burden if said emergency system has rainfall greater than the rainfall of expecting.

Can obtain emergency system in every way, for example:

-through in the revetment that limits the building roof, punching by this way, that is, make the growth that accumulates in the water level on the roof to be discharged into outside the building through said hole;

-through secondary rain drainage system is set; Said secondary rain drainage system is traditional type (no syphon) or has siphonic effect; After the water level on, the roof more intensive than the rainfall of expection at rainfall and then for example surpasses the design water level of main system, said secondary rain drainage system will get involved.

Subsystem can be by forming with the discharge casings those discharge casing same types or some other types of main system.For example, can use traditional discharge casing (utilizing deadweight) or siphon drainage case (utilizing siphonage).

Can obtain to have the emergency system of siphon drainage case in every way:

-more (for example locate the high position through installing with the discharge casing discharge casing same type that is used for main system, that be positioned at than be used for main system; The above 55mm in roof) siphon drainage case, thereby produce the lifting structure of processing by concrete, timber, sheet metal or other materials that forms the part on roof of specially design.

-have special size and be exclusively used in the discharge casing (these discharge casings are different from the discharge casing of the main system that is used under normal circumstances working) of emergency system through use;

-through using insert, parts, the annex of the siphon drainage case fundamentally change into the main system design, thus make these siphon drainage casees under higher water level, to work, and so become and be suitable for being used in the emergency system.

Obviously, back one solution has been avoided the dissimilar discharge casing that is used for main system and is used for subsystem is designed, makes and the needs of logistics management, and supplementary structure (lifting structure) need be set on the building roof.

As if yet known this type solution can not be entirely satisfactory, especially aspect the whole structure of the assembling of the simplification of structure and annex and discharge casing.In fact, on for the discharge casing that provides some performance level suitably to design, add the efficient that annex can change discharge casing itself.

In addition, known annex only can make the preset height of discharge casing rising by the size decision of annex, and does not allow to regulate the height of discharge casing usually.In order to obtain different height, need use the annex of different size on the contrary, perhaps imagination will promote the height that structural acessory cuts into expectation.

Summary of the invention

An object of the present invention is to provide a kind of discharge casing, especially for the discharge casing of the drainage system on building roof, the shortcoming that it will be pointed out above will overcoming.

Especially; An object of the present invention is to provide a kind of overflow mechanism; It can be applied to discharge casing with simple and effective and efficient manner, the simple and low production cost of this overflow mechanism, is easy to install and not only in full force and effect but also will realize the adjusting to said water level to the water level that promotes the water that gets into the discharge casing that this overflow mechanism is installed on it.

Therefore, the present invention relates to a kind of overflow mechanism that is used for discharge casing (especially for the discharge casing of the drainage system on building roof), comprise dismountable overflow optional feature; Said parts extend along an axis basically; And said parts can be installed on the discharge casing, and with height that changes discharge casing and the water level that promotes the water that gets into discharge casing, this overflow mechanism is characterised in that; Said parts comprise: base member and crown member combine (couple) together along said axis telescopically; And arrangement for adjusting height, be used to change the relative to each other position of the said axis in edge of said element, and therefore change the axial height of said parts.

In addition, the present invention relates to a kind of discharge casing, especially for the discharge casing of the drainage system on building roof, said discharge casing is provided with the overflow mechanism of definition hereinbefore.

According to overflow mechanism of the present invention simple and cost of production and installation cost cheap, have a spatial accommodation and in full force and effect.Especially, can be applied to discharge casing with a kind of simple and effective and efficient manner according to overflow mechanism of the present invention, and need not to change the performance level of discharge casing.So this overflow mechanism has high universalizable, so that it can realize promoting the water level of the water that gets into discharge casing and can also realizing the adjusting to said water level.

Description of drawings

From with reference to certain description of accompanying drawing to the limiting examples of embodiments of the invention, other features and advantages of the present invention become obviously, in the accompanying drawing:

Fig. 1 is the partial exploded view according to the longitudinal profile of the discharge casing that is provided with overflow mechanism of the present invention (especially for the discharge casing of the siphonic effect drainage system on building roof);

Fig. 2 is the phantom drawing from the parts below of overflow mechanism shown in Figure 1; And

Fig. 3 is the phantom drawing from the parts top of overflow mechanism shown in Figure 1.

The specific embodiment

In Fig. 1, indicate discharge casing with 1, particularly be formed for the discharge casing of a part of the drainage system on building roof.Said system does not illustrate on the whole; And, well-known, comprise a plurality of discharge casings that are installed in usually on the building roof and the pipeline and the gatherer of various sizes and shape; Said pipeline and gatherer are connected to trunk line with each discharge casing, to be discharged into outside the building.

Discharge casing 1 is basically along axis A (in use, said axis is roughly vertical) extension and mainly comprising: matrix (base body) 2, said matrix has the opening 3 as water inlet, said opening be formed on matrix 2 interior pipelines 4 and be communicated with; And cover 5, be arranged on matrix 2 tops and be provided with top grid 6.

In the example shown, but also nonessential, discharge casing 1 is the siphonic effect discharge casing.

Matrix 2 is to form as the body that is essentially tubulose of chimney on the whole and comprise: bottom tube 8, and said bottom tube for example is essentially cylindrical, and in set inside pipeline 4 is arranged; And top inlet flange 9; Said top inlet flange is radially outer and is essentially ring-type; Be provided with opening 3 in centre; And have annular top surface 10, said annular top surface tilts with respect to axis A and/or flare expansion (or having rake or tubaeform portion) radially inwardly alternatively, and said annular top surface is sent to opening 3 with water and is sent to then in the pipeline 4.

Alternatively, as shown in Figure 1, but and nonessential, flange 9 through in two concentric parts being inserted into each other and for example via screws to forming together.

Lid 5 comprises grid 6; And preferably include anti-whirlpool dish (anti-vortex disk) 12; Said anti-whirlpool dish is arranged on grid 6 belows and forms by this way, that is, prevent in the water that gets into discharge casing 1, to form whirlpool and prevent air is incorporated in the discharge casing 1.Especially, dish 12 has a plurality of blades 13, and said a plurality of blades extend from the bottom surface of dish and water is sent to the matrix 2, prevent to form whirlpool.Blade 13 radially is arranged in around the axis A and separates at an angle to each other.

Lid 5 is engaged to matrix 2 via fixture 15 (the for example fixture of screw-type).Shown in the limiting examples, flange 9 carries screws 16, said screw passes and is formed on the corresponding hole of covering in 5 17 and extends vertically and stopped by nut.

Grid 6 is essentially cage shape and is arranged on the top of dish 12, to cover and encirclement dish 12.With fixture 18, the central screw 19 of for example using anti-rotation pocket-wheel (making said grid and dish fix thereby said pocket-wheel combines grid 6 and dish 12) to be associated makes grid 6 be engaged to dish 12 relative to each other angledly.

According to the present invention; Discharge casing 1 is provided with overflow mechanism 25; Said overflow mechanism comprises dismountable overflow optional feature 30; The purpose of said overflow optional feature is, causes discharge casing 1 both to be applicable to that main drainage system (when the rainfall level is in the design limit of anticipation, under normal circumstances working) also was applicable to secondary emergency system (working under greater than the situation for the contemplated rainfall of the operate as normal of main system at rainfall).More in general, the purpose of overflow mechanism 25 and parts 30 is, changes the height of discharge casing 1, and says exactly, promotes the water level of the water that enters into discharge casing 1.

Parts 30 removably are inserted between the flange 9 and lid 5 of matrix 2.

Parts 30 comprise: base member 31 and crown member 32, and said base member and crown member combine along axis A telescopically; And arrangement for adjusting height 33; Be used to change the axial height (A records along axis) of parts 30; Change

element

31,32 relative to each other along the position of axis A via said arrangement for adjusting height, and also change the axial height (A records along axis) of parts 30 thus.

Element

31,32 relative to each other moves.More precisely,

element

31,32 can and relative to each other axially slide along axis A with respect to axis A rotation.

With reference to Fig. 2-Fig. 3,

element

31,32 is essentially circular element, and said element centers on axis A extension and is

concentric.Element

31,32 have separately towards each other

annular plate

35,36 and the radially

outer sidewall

37,38 that extends towards each other separately.

In more detail, to have be the radially outer sidewall 37 that an annular plate 35 of putting down and a radially outer periphery that is essentially columniform and slave plate 35 extend to base member 31 basically.Element 31 comprises that passing plate 35 is arranged in one of plate 35 and radially is essentially columniform central cannulation 41 in the corresponding position of inner peripheral.The size of sleeve pipe 41 forms by this way, that is, it can pass opening 3 and insert and be deep in the pipeline 4.

Plate 35 has the bottom surface 42 that is essentially the plane, and said bottom surface is shelved on the surface 10 of flange 9 in use.Surface 42 is provided with circumferential recess 43, and said circumferential recess is held the axial seal ring 44 of cooperating mutually with surface 10.

The annular plate 36 of crown member 32 forms alternatively by this way,, duplicates the surface 10 of flange 9 that is.Under any circumstance, annular plate 36 all has top annular surface 45, and said top annular surface radially inwardly tilts with respect to axis A alternatively, and it is sent to the surface 10 that function aspects in the discharge casing 1 substitutes flange 9 at Jiang Shui.

The sidewall 38 of the annular plate 36 of crown member 32 is essentially cylindrical and is provided with radially outwardly around the wall 37 of base member 31.Element 32 comprises and is essentially columniform central cannulation 46, said central cannulation from a radially inner periphery of annular plate 36 to the sleeve pipe that extends below and be inserted into element 31 41.Sleeve pipe 46 is provided with radial seal ring 47, and said radial seal is contained in the annular recess 48 on the outer surface that for example is formed on sleeve pipe 46 and with the inner surface of sleeve pipe 41 and cooperates mutually.

Element

31,32 combines and limits interior annular chamber 49, and said interior annular chamber is limited on

plate

35,36 and

wall

37,38 and connects pipeline 50 settings around central authorities, and the said central pipeline that connects extends and formed by

sleeve pipe

41,46 along axis A.

Arrangement for adjusting height 33 comprises

support member

51,52; Said support member is carried by

element

31,32 and cooperation mutually, two

elements

31,32 axially are supported in the position that is selected from the corresponding a plurality of preset positions of corresponding different axial heights of parts 30.

Especially;

Support member

51,52 is limited in abutting connection with step 54 at least one rank 53 and at least one of organizing a performance respectively; Said at least one rank of organizing a performance are formed on one in the

element

31,32 and go up and have a different axial height (A that parallels to the axis records), said at least one be formed on another person in the

element

31,32 in abutting connection with step and go up and axially cooperate with respect to a selected step 53.

Shown in the limiting examples, device 33 comprises two

cover steps

53,54, said step be formed on the

corresponding element

31,32 and towards each

other slave plate

35,36 extend.

In the

element

31,32 each has

step

53,54; Said step has different height (

slave plate

35,36 beginnings record along axis A) and circumferentially is arranged in abreast each other in the chamber 49 along

wall

37,38, and said chamber is limited two

elements

31,32 that combine.

Each

element

31,32 has at least one rank of organizing a performance, and preferably has at least two rank of organizing a performance, and the rank of whenever organizing a performance are formed by two or

more steps

53,54 with the height that increases progressively (in the example shown, being three steps).

In the example shown, each

element

31,32 has identical three rank 53,54 (every group form by for example three steps) of organizing a performance; These groups are formed by

identical step

53,54 and are staggered along

corresponding wall

37,38 angledly.

Every group the step 53 of base member 31 has at preset direction (for example, the height that increases progressively on counterclockwise), and every group the step 54 of crown member 32 has in the opposite direction the height that increases progressively on (for example, clockwise direction).

The

step

53,54 of two

elements

31,32 forms by this way; Promptly; Make the step 53 of element 31 in a plurality of preset positions, combine the respective step 54 of another element 32; Said a plurality of preset position is corresponding with element 31,32 a plurality of positions relative to each other, and says exactly, and is corresponding with the different axial heights (along axis A) of parts 30.

Corresponding with the corresponding height of parts 30, the

step

53,54 of two

elements

31,32 can combine by different way.Especially;

Step

53,54 forms and makes and relative to each other axially to be supported on

element

31,32 in a plurality of preset positions; In said a plurality of preset positions, surface 42,45 is positioned at each other corresponding preset distance place of distance, and thereby parts 30 have different height.

In more detail, the step 54 of crown member 32 is shelved on the step 53 of base member 31.If the highest step of crown member 32 54 combines the minimum step 53 of (shelving above that) base member 31; Then two

elements

31,32 relative to each other are in the primary importance; In said primary importance, surface 42, the distance between 45 are minimum, and thereby the overall height of parts 30 also minimum.

Through

element

31,32 relative to each other is shifted (especially; Via around the rotation of axis A with along the translation of axis A) and make the step 54 of crown member 32 combine another step 53 of base member 31; Change element 31, the axial distance between 32, and thereby also change the height of parts 30.

When the highest step 54 of crown member 32 was bonded to the intermediate step 53 of base member 31, parts 30 had intermediate altitude.When the highest step of crown member 32 54 combined the highest step 53 of base member 31, parts 30 had maximum height.

Obviously, with respect to only having described through instance at this,

element

31,32 can be provided with the

step

53,54 of varying number.

In

case element

31,32 is combined in the corresponding position of height with the parts 30 expected,

element

31,32 is fixed together, and preferably via fixture 55, for example threaded fasteners 55 is fixed to matrix 2.

For example, fixture 55 comprises screw 56 (only showing one of them among Fig. 1), and each in the said screw passed and a pair ofly be respectively formed at the mating holes 57,58 (shown in Fig. 2, Fig. 3) in two

elements

31,32 and be provided with.

Obviously, the

hole

57,58 that has of

element

31,32 is arranged to be limited to aim in each precalculated position of

element

31,32 many to the hole.

Advantageously, fixture 55 not only links together

element

31,32, and combines the flange 9 of matrix 2, thereby parts 30 are fixed to matrix 2.

According to a preferred embodiment, fixture 55 comprises the annex 59 of prolongation, and said annex is assemblied in for matrix 2 is fixed to and covers 5 and on the screw 16 that has been provided with.

At last, it should be understood that therefore, under the prerequisite that does not deviate from scope of the present invention, can be to making amendment at this description and the overflow mechanism that illustrates and discharge casing and changing, scope of the present invention limits in accompanying claims.

Claims

1. overflow mechanism (25) that is used for discharge casing; Said discharge casing is especially for the discharge casing of the drainage system on building roof; Said overflow mechanism comprises dismountable overflow optional feature (30), and said parts extend along an axis (A) basically, and said parts can be installed on the discharge casing (1); With height that changes said discharge casing (1) and the water level that promotes the water that gets into said discharge casing (1); Said overflow mechanism is characterised in that said parts (30) comprising: base member (31) and crown member (32) combine along said axis (A) telescopically; And arrangement for adjusting height (33), be used to change the relative to each other position of the said axis in edge (A) of said element (31,32), and therefore change the axial height of said parts (30).

2. overflow mechanism according to claim 1; Wherein, Said arrangement for adjusting height (33) comprises support member (51,52); Said support member is carried by said element (31,32) and cooperation mutually, and so that two said elements (31,32) axially are supported in the position that is selected from a plurality of preset positions, said a plurality of preset positions are corresponding with the corresponding different axial heights of said parts (30).

3. overflow mechanism according to claim 2; Wherein, Said support member (51,52) is limited in abutting connection with step (54) at least one rank of organizing a performance (53) and at least one respectively; Said at least one rank of organizing a performance are formed on one in the said element (31,32) and go up and have different axial heights, said at least one be formed on another person in the said element (31,32) in abutting connection with step and go up and axially cooperate with respect to a selected said step (53).

4. overflow mechanism according to claim 3, wherein, said arrangement for adjusting height (33) comprises two cover steps (53,54), said two cover steps are formed on corresponding element (31,32) and go up also extension towards each other; In the said element (31,32) each has step (53,54); The respective side walls (37,38) that said step has different height and the said element in edge (31,32) circumferentially is arranged in the chamber (49) each other abreast, and said chamber is limited two the said elements (31,32) that combine.

5. overflow mechanism according to claim 3, wherein, each element (31,32) has at least one rank of organizing a performance, and preferably has at least two rank of organizing a performance, and the rank of whenever organizing a performance are formed by two or more steps with the height that increases progressively (53,54).

6. overflow mechanism according to claim 5, wherein, the said step (53,54) in every group of two said elements (31,32) has the height that increases progressively in the opposite direction.

7. overflow mechanism according to claim 3, wherein, each element (31,32) has identical three rank (53,54) of organizing a performance, and said group is formed by identical step (53,54) and is staggered angledly.

8. overflow mechanism according to claim 2 comprises fixture (55), so that said element (31,32) relative to each other is fixed in the said position that is selected from said a plurality of preset positions.

9. overflow mechanism according to claim 8, wherein, said fixture (55) comprises screw (56), each said screw passes and a pair ofly is respectively formed at the mating holes (57,58) in two said elements (31,32) and is provided with; The hole (57,58) that said element (31,32) has is arranged to be limited to aim in each preset positions of said element (31,32) many to the hole.

10. overflow mechanism according to claim 1, wherein, said element (31,32) is essentially the annular concentric element and has central cannulation (41,46) separately, also limits central authorities in said central cannulation telescopically is inserted into each other and connects pipeline (50).

11. overflow mechanism according to claim 10, wherein, said sleeve pipe radially is provided with radial seal ring (47) between (41,46).

12. overflow mechanism according to claim 1, wherein, said base member (31) has the bottom surface (42) of the circumferential recess of being provided with (43), and said circumferential recess is held axial seal ring (44).

13. a discharge casing (1), the discharge casing especially for the drainage system on building roof is characterized in that said discharge casing comprises overflow mechanism according to claim 1 (25).

14. discharge casing according to claim 13; Comprise: matrix (2); Have the top inlet flange (9) of the ring-type of being essentially, said flange medially is provided with the opening (3) of the inlet that is used for water, and the said opening pipeline (4) interior with being formed on said matrix (2) is communicated with; And lid (5), be arranged on said matrix (2) and go up and be provided with top grid (6); And wherein, said parts (30) removably are inserted between the said flange (9) and said lid (5) of said matrix (2).

15. discharge casing according to claim 14, wherein, fixture (55) links together said element (31,32) and combines the said flange (9) of said matrix (2), so that said parts (30) are fixed to said matrix (2).