CN213477116U - Epidemic prevention centralized water seal floor drain - Google Patents

Abstract

The utility model discloses an epidemic prevention centralized water seal floor drain, which belongs to the field of drainage devices and comprises a drainage pipe fitting and a water seal core embedded in the drainage pipe fitting, wherein the drainage pipe fitting is provided with a reserved pipe fitting communicated with the drainage pipe fitting, and the drainage pipe fitting comprises a water inlet pipe body and a drainage pipe body connected with the water inlet pipe body; the water seal core comprises a mounting ring, a first water seal wall and a second water seal wall, and a plurality of groups of diversion trenches are arranged on the second water seal wall. The utility model discloses a water seal core adopts bayonet design and for the water seal of multi-channel sharing, be applicable to the declining board-like floor about 100mm, water seal chamber of waste discharge pipe sharing such as shower and wash-basin in the use, reduce the water seal destruction rate, and each waste water branch pipe is connected with the body of intaking, reserve all waste water of body and converge and concentrate in water seal core department, therefore when arbitrary water apparatus discharges waste water, the water seal of water seal core department all can obtain supplementing and be difficult for drying up, the indoor difficult stink phenomenon that takes place to return.

Description

Epidemic prevention centralized water seal floor drain

Technical Field

The utility model relates to a drainage device field, concretely relates to epidemic prevention concentrates water seal floor drain.

Background

The existing indoor drainage system mostly adopts P-type, U-type and S-type traps, and each indoor water-consuming appliance drainage needs to be connected with one trap independently, so that the problem that a certain indoor trap is not used for a long time, water seal is easy to dry and lose efficacy, and indoor odor is returned is caused. Meanwhile, the existing P-type, U-type and S-type trap occupies a large position, and is easy to block in the using process, so that the problem of inconvenient maintenance exists. In addition, the drainage structure in the prior art is complex, the manufacturing process is complicated, the production cost is high, and the method is particularly unfavorable for batch production.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the easy dry inefficacy of a certain trap water seal among the current indoor drainage system and lead to indoor bad smell and the inconvenient not enough of maintenance, provide a water seal floor drain is concentrated in epidemic prevention, concrete technical scheme as follows:

an epidemic prevention centralized water seal floor drain comprises a drainage pipe fitting and a water seal core embedded in the drainage pipe fitting, wherein a reserved pipe fitting communicated with the drainage pipe fitting is arranged on the drainage pipe fitting, and the drainage pipe fitting comprises a water inlet pipe body and a drainage pipe body connected with the water inlet pipe body;

the water seal core comprises a mounting ring, a first water seal wall and a second water seal wall, and a plurality of groups of diversion trenches are arranged on the second water seal wall.

Preferably, the water seal core is arranged in the drainage pipe body and divides the inner cavity of the drainage pipe body into a water inlet cavity, a water seal cavity and a drainage cavity;

the side wall of the drainage pipe body is provided with a main waste discharge pipe communicated with the drainage cavity, and one end of the main waste discharge pipe communicated with the drainage pipe body is higher than the drainage end of the main waste discharge pipe and forms an anti-reflux wall at the communication position of the main waste discharge pipe and the drainage pipe body.

Preferably, the inner wall of the drainage pipe body is provided with an annular mounting groove;

the installation ring can be dismantled with cyclic annular mounting groove and be connected first water seal wall and the laminating of intake antrum inner wall, just intake antrum and drainage chamber are kept apart to the second water seal wall, simultaneously installation ring, first water seal wall and second water seal wall are connected as an organic whole.

Preferably, the junction between the first water-sealing wall and the second water-sealing wall is in smooth transition.

Preferably, a sealing ring is arranged between the mounting ring and the annular mounting groove.

Preferably, the bottom end of the water inlet pipe body is sleeved outside the top end of the drainage pipe body.

Preferably, the waste water inlet pipe further comprises a floor drain for guiding waste water into the water inlet pipe body, the floor drain comprises a floor drain cover and a supporting piece sleeved with the floor drain cover, and the floor drain cover is detachably connected with the supporting piece.

Preferably, the support member comprises an adjusting member connected with the waste pipe and an installation groove arranged on the adjusting member, and the tricuspid valve is clamped on the installation groove.

Preferably, the reserved pipe comprises a plurality of groups of reserved pipe bodies, and the reserved pipe bodies are respectively arranged on the sides of the water inlet pipe bodies and are communicated with the water inlet pipe bodies;

the inner wall of the water inlet pipe body is provided with a pre-breaking wall corresponding to the reserved pipe body, and the pre-breaking wall is connected with the water inlet pipe body.

The utility model discloses following beneficial effect has:

1. the utility model discloses a setting has the drain fitting of intercommunication cavity, utilizes the body of intaking and reserves the pipe fitting and makes waste water such as shower and wash-basin to converge in the lump in the drain body, discharges through the master drain pipe again, has solved and has adopted a plurality of waste discharge pipelines and trap among the prior art, and the construction is loaded down with trivial details, the big technical problem in space that the waste discharge pipe occupied.

2. The utility model discloses with the water seal core setting at the internal water seal that forms of drain pipe, further reduced the space that the trap occupy, be applicable to the declining board-like floor about 100 mm.

3. The utility model discloses constitute collar, first water seal wall and the second water seal wall of water seal core and connect as an organic whole, reduce waste water and receive resistance influence mobility because of non-body structure in the junction, and can be better along first water seal wall and the adherent discharge of second water seal wall to reduce the possibility of seepage.

4. The utility model discloses the well water seal core is the water seal of multi-channel sharing, and waste discharge pipe such as shower and wash basin shares a water seal chamber, has reduced the fault rate that the water seal became invalid when having improved the water seal effect, reduces the water seal destruction rate, reduces the harmful substance in the drain pipe fitting and gets into indoor probability to play the epidemic prevention function; and each waste water branch pipe is connected with the water inlet pipe body, and all waste water of the reserved pipe body is converged and concentrated at the water seal core, so that when any water using appliance discharges waste water, water seals at the water seal core can be supplemented, the water seals are not easy to dry, and the phenomenon of odor return in a room is not easy to occur.

5. The utility model discloses well water seal core, floor drain lid, support piece's detachable construction, when inside takes place to block up, the maintainer need not demolish the wall and just can overhaul the department that blocks up, only need demolish floor drain department floor drain lid, tricuspid valve check valve, support piece and can overhaul the jam trouble, convenient easy going.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the concentrated water seal floor drain for epidemic prevention of the present invention;

FIG. 2 is a front view of the concentrated water seal floor drain for epidemic prevention of the utility model;

FIG. 3 is a right side view of the concentrated water seal floor drain for epidemic prevention of the present invention;

FIG. 4 is a top view of the concentrated water seal floor drain for epidemic prevention of the utility model;

FIG. 5 is a cross-sectional view taken along the line A-A in FIG. 4;

FIG. 6 is a schematic view of the three-dimensional structure of the water seal core in the concentrated water seal floor drain for epidemic prevention of the present invention;

FIG. 7 is a front view of the water seal core in the concentrated water seal floor drain for epidemic prevention of the utility model;

FIG. 8 is a top view of the water seal core in the anti-epidemic centralized water seal floor drain of the present invention;

FIG. 9 is a cross-sectional view taken along the line B-B in FIG. 8;

fig. 10 is a schematic view of the decomposition structure of the floor drain in the concentrated water seal floor drain for epidemic prevention of the utility model.

Wherein: 1-a drainage pipe fitting; 11-a water inlet pipe body; 12-a drain body; 121-water inlet cavity; 122-water seal cavity; 123-a drainage cavity; 124-annular mounting groove;

2-water sealing core; 21-a mounting ring; 211-a sealing ring; 22-a first water-tight wall; 23-a second water-tight wall; 231-a diversion trench;

3, reserving a pipe fitting; 31-reserving a pipe body; 32-pre-breaking walls;

4-total waste discharge pipe; 5-anti-reflux wall;

6-floor drain; 61-floor drain cover; 62-a support; 621-an adjusting member; 622-mounting groove; 6221 tricuspid check valve.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, the terms "upper", "lower", "front" and "rear" indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific position, and thus, should not be construed as limiting the present invention.

The following describes the present invention with reference to the accompanying drawings.

Referring to fig. 1 to 5, the embodiment provides an epidemic prevention centralized water seal floor drain, which comprises a drainage pipe member 1, a water seal core 2 embedded in the drainage pipe member 1 and used for forming water seal in the drainage pipe member 1, and a reserved pipe member 3 arranged on the drainage pipe member 1 and communicated with the drainage pipe member 1. The drain pipe member 1 includes the body of intaking 11 and with the body of intaking 11 interconnect and the drainage body 12 of inside intercommunication, does not specifically limit here the connected mode of the body of intaking 11 with drainage body 12, and the two can be integrated into one piece, also can dismantle the connection, and in this embodiment, preferably, the two is the integrated into one piece structure in order to further reduce the waste water leakage possibility. The body of intaking 11 can communicate with shower waste discharge mouth or wash basin waste discharge mouth etc. for receive the shower waste discharge mouth or wash basin waste discharge mouth's waste water, waste water is along intaking 11 entering drainage body 12 of body, in forming the water seal with the whole waste water discharge of this embodiment gathering to total discharge pipe in the middle of.

Referring to fig. 1 to 4, the drain pipe member 1 is provided with a reserved pipe member 3 communicated with the drain pipe member, and the installation height of the water inlet of the reserved pipe member 3 is higher than that of the water outlet of the drain pipe member 1, so that the waste water at the water outlet of the drain pipe member 1 is prevented from flowing back from the water inlet of the reserved pipe member 3. The reserved pipe 3 comprises four groups of reserved pipes 31 arranged on the side of the water inlet pipe 11. Reserve body 31 and establish respectively at the avris of body 11 of intaking and with the body 11 intercommunication of intaking, simultaneously be equipped with the wall 32 in advance that corresponds with reserve body 31 on the inner wall of body 11 of intaking, the wall 32 in advance is connected with the body 11 integral type of intaking.

When the staff need use a certain reservation body 31, only need to dismantle the corresponding wall 32 in advance from the body 11 inner wall that intakes, can communicate reservation body 31 and the body 11 that intakes and launch reservation body 31. After the reserved pipe body 31 is communicated with the water inlet pipe body 11, the waste water in the reserved pipe body 31 can be discharged into the water inlet pipe body 11; for the reserve tube 31 which is not needed for the moment, the corresponding pre-breaking wall 32 is reserved. The arrangement of the pre-breaking wall 32 can meet various waste discharge requirements, enrich the variety of waste discharge channel choices of users, prevent waste water from flowing out of the reserved pipe body 31 which is not needed to be used temporarily, and further reduce the possibility of leakage. Meanwhile, the inner edge of the reserved pipe body 31 is tangent to the inner edge of the water inlet pipe body 11, so that waste water in the reserved pipe body 31 can flow into the water inlet pipe body 11 along the inner wall of the reserved pipe body 31.

Referring to fig. 6 to 9, the water sealing core 2 is disposed in the drainage pipe body 12 and divides an inner cavity of the drainage pipe body 12 into a water inlet chamber 121, a water sealing chamber 122 and a drainage chamber 123. The water inlet cavity 121, the water seal cavity 122 and the drainage cavity 123 are mutually communicated, the side wall of the drainage pipe body 12 is provided with a main drainage pipe 4 communicated with the drainage cavity 123, and the water seal cavity 122 is U-shaped. The total waste discharge pipe 4 and the one end of the drainage pipe body 12 intercommunication is higher than the drainage end of the total waste discharge pipe 4 and in the intercommunication department of the total waste discharge pipe 4 and the drainage pipe body 12 forms the anti-reflux wall 5, the anti-reflux wall 5 is higher than the minimum drainage height of the total waste discharge pipe 4, and the anti-reflux wall 5 is simultaneously connected with the total waste discharge pipe 4 and the drainage pipe body 12 in an integrated manner, so that when retention waste water exists in the total waste discharge pipe 4, the retention waste water flows back to the drainage pipe body 12 from the total waste discharge pipe 4, and the anti-reflux effect is achieved. Meanwhile, the section of the anti-reflux wall 5 is arc-shaped, so that when the wastewater in the drainage pipe body 12 is discharged from the anti-reflux wall 5, the discharged water is smoother, and the pipe body is not easy to block.

The utility model discloses in reserve body 31 and always arrange the equal slope of waste pipe 4 and set up, the one end of reserving body 31 and intaking 11 and linking to each other is less than reserve body 31's the end of intaking, simultaneously always arrange waste pipe 4 and the one end that drainage body 12 is connected and be higher than always arrange waste pipe 4's drainage end. The inclined arrangement of the reserved pipe body 31 and the total waste discharge pipe 4 is to reduce the waste water temporarily remaining in the reserved pipe body 31 and the total waste discharge pipe 4, so that the waste water flowing into the reserved pipe body 31 and the total waste discharge pipe 4 flows under the action of self gravity and can smoothly enter the next pipe fitting. And when the waste water discharge amount is big and the water pressure is greater than the waste water pressure of the drainage of the water inlet pipe body 11 in the reserved pipe body 31 and the total waste discharge pipe 4, waste water can flow back and be discharged out due to the influence of gravity, and the reserved pipe body 31 and the water seal core 2 are prevented from being reversely discharged by waste water. The inner wall of drainage body 12 is equipped with cyclic annular mounting groove 124, water seal core 2 includes can dismantle the collar 21 of being connected, the first water seal wall 22 of laminating with intake antrum 121 inner wall and keep apart the second water seal wall 23 of intake antrum 121 and drainage chamber 123 with cyclic annular mounting groove 124, first water seal wall 22 closely laminates with intake antrum 121 inner wall, avoids the waste water stagnation of the internal waste water of drainage pipe to stay in the clearance of first water seal wall 22 and intake antrum 121 inner wall.

Referring to fig. 4, the mounting ring 21, the first water-sealed wall 22 and the second water-sealed wall 23 are integrally connected, so that the influence of resistance on the fluidity of wastewater at the joint due to a non-integral structure is reduced, the wastewater can be better discharged along the first water-sealed wall 22 and the second water-sealed wall 23, and the possibility of leakage is reduced. Meanwhile, the joint of the first water-sealing wall 22 and the second water-sealing wall 23 is in smooth transition, two groups of diversion grooves 231 are arranged on the outer surface of the second water-sealing wall 23, the bottoms of the diversion grooves 231 are obliquely arranged and used for conducting diversion on wastewater in the water inlet pipe body 11, conducting diversion is conducted to the water inlet cavity 121, and a water seal is formed in the water-sealing cavity 122.

The shape of the first water sealing wall 21 is semicircular and annular, and the first water sealing wall 22 is tightly attached to the inner wall of the drainage pipe body 12, so that the waste water in the drainage pipe body 12 is prevented from being retained in a gap between the first water sealing wall 22 and the inner wall of the drainage pipe body 12. The second water seal wall 23 is formed by two inclined walls which respectively form a certain inclination angle with the horizontal direction and the vertical direction through round angle smooth integral connection, the section shape is V-shaped, the included angle formed between the two inclined walls is between 120 degrees and 150 degrees, the top end of the second water seal wall 23 is integrally connected with the mounting ring 21, and the two sides of the second water seal wall 23 are respectively integrally connected with the two sides of the first water seal wall 22.

The joint of the mounting ring 21 and the inner wall of the water inlet pipe body 11, the joint of the mounting ring 21 and the first water-sealed wall 22, and the joint of the mounting ring 21 and the second water-sealed wall 23 are all in smooth transition, so that wastewater can be discharged by attaching to the wall when entering the first water-sealed wall 22 and the second water-sealed wall 23 through the pipe wall of the water inlet pipe body 11 and the mounting ring 21.

Referring to fig. 7 to 9, in order to increase the sealing effect of the water sealing core 2, a sealing ring 211 for sealing is disposed at the connection between the water sealing core 2 and the drain pipe body 12, i.e., between the mounting ring 21 and the annular mounting groove 124. Meanwhile, by arranging the water seal core 2, the water inlet pipe body 11 and the reserved pipe body 31 guide the wastewater into the water seal cavity 122 through the water inlet cavity 121 to supplement the wastewater amount in the water seal cavity 122, so that the wastewater in the wastewater cavity is prevented from being dried until the wastewater liquid level is lower than the lowest point of the main drainage pipe, and the water seal failure of the water seal core 2 is prevented. The utility model discloses well water seal core 2 adopts bayonet design, when drainage body 12 or water seal core 2 inside take place to block up, the staff only need demolish into water body 11 can overhaul the jam fault in water seal core 2 or drainage body 12, and convenient easy going is convenient for the staff of being convenient for simultaneously to water seal core 2 change, maintenance work such as washing.

Referring to fig. 10, the utility model discloses still include the floor drain 6 with the leading-in inlet pipe spare of waste water, floor drain 6 include floor drain lid 61 and with support piece 62 that floor drain lid 61 cup jointed mutually, floor drain lid 61 with support piece 62 can dismantle the connection. The support member 62 includes an adjusting member 621 connected to the waste pipe and a mounting groove 622 provided on the adjusting member 621. The height of the supporting member 62 can be adjusted by the adjusting member 621 according to different decoration conditions, in this embodiment, the adjusting member 621 is a manufactured circular ring structure with determined specifications, and the adjusting member 621 can be provided in a plurality of numbers.

Preferably, three adjusting members 621 are provided in the present embodiment, and the number of the adjusting members 621 can be selectively increased or decreased according to different decoration conditions, so that the height of the floor drain cover 61 in the present embodiment can be adjusted within a range of about 100 mm; and the adjusting member 621 may also be made into a corresponding shape and specification according to the customer's requirements, so that the height of the supporting member 62 can be adjusted by selecting the adjusting member 621 with a suitable shape and specification according to different decoration conditions.

The mounting groove 622 of the supporting member 62 is further provided with a tricuspid valve 6221 in a clamping manner, and the tricuspid valve 6221 prevents the waste water in the water inlet pipe body 11 from flowing back to the indoor ground from the floor drain cover 61. The utility model discloses probably thoughtlessly have the debris that hair etc. easily caused floor drain 6 to block up in getting into floor drain 6's waste water in the use, for reducing the possibility that floor drain 6 blocked up, waste water gets into in floor drain 6 back through floor drain lid 61, at first floor drain lid 61 filters waste water, and waste water after passing through floor drain lid 61 gets into water pipe body 11 through tricuspid valve check valve 6221, simultaneously the utility model discloses an above-mentioned floor drain 6's structure has realized overhauing during the water seal floor drain, operating personnel only need take out in proper order that lie in shower district ground that the floor drain lid 61, tricuspid valve check valve 6221, support piece 62 can examine and repair water seal core 2 and with drainage pipe fitting 1 in floor drain 6 department, and examine and repair the field of vision good, convenient and fast.

The utility model provides a pair of water seal floor drain is concentrated in epidemic prevention has the drain fitting 1 of intercommunication cavity through the setting, utilizes drain fitting 1 and reserves pipe fitting 3 and makes homogeneity such as shower waste water and wash basin waste water and remit into drainage body 12, discharges through the main drain pipe again, has solved and has adopted a plurality of waste discharge pipes and trap among the prior art, and the construction is loaded down with trivial details, the big technical problem in space that waste discharge pipe occupied. Simultaneously the utility model discloses set up water seal core 2 in drainage body 12 and form the water seal in drainage body 12, further reduced the space that the trap occupy, be applicable to the declining plate floor about 100 mm. And simultaneously the utility model discloses well water seal core 2, floor drain 6, support piece 62's detachable connection structure works as the utility model discloses when inside emergence blockked up, the maintainer only need be in 6 departments of shower floor drain demolish floor drain cover 61, tricuspid valve check valve 6221, support piece 62 can overhaul the jam trouble, convenient easy going. In addition, the reclaimed water seal core 2 of the utility model shares the water seal with multiple pipelines, and the waste discharge pipelines of the bath and the washbasin share one water seal cavity 122, thereby improving the water seal effect, reducing the failure rate of the water seal and the damage rate of the water seal, and reducing the probability that harmful substances in the vertical pipe enter the room, thereby playing the epidemic prevention function; and each waste water branch pipe is connected with the water inlet pipe body 11, and all waste water of the reserved pipe body 31 is gathered at the water seal core 2, so that when any water using appliance discharges waste water, water seals at the water seal core 2 can be supplemented, drying is not easy to occur, and the phenomenon of odor return in a room is not easy to occur.

It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. An epidemic prevention centralized water seal floor drain is characterized by comprising a drainage pipe fitting (1) and a water seal core (2) embedded in the drainage pipe fitting (1), wherein a reserved pipe fitting (3) communicated with the drainage pipe fitting (1) is arranged on the drainage pipe fitting (1), and the drainage pipe fitting (1) comprises a water inlet pipe body (11) and a drainage pipe body (12) connected with the water inlet pipe body (11);

the water seal core (2) comprises a mounting ring (21), a first water seal wall (22) and a second water seal wall (23), and a plurality of groups of diversion trenches (231) are arranged on the second water seal wall (23).

2. The epidemic prevention centralized water seal floor drain according to claim 1, wherein the water seal core (2) is arranged in the drain pipe body (12) and divides the inner cavity of the drain pipe body (12) into a water inlet cavity (121), a water seal cavity (122) and a drain cavity (123);

the lateral wall of drainage body (12) is equipped with always arranges waste pipe (4) with drainage chamber (123) intercommunication, always arrange waste pipe (4) with the one end of drainage body (12) intercommunication is higher than the drainage end of always arranging waste pipe (4) and in the intercommunication department of always arranging waste pipe (4) and drainage body (12) forms prevents wall (5) against current.

3. The epidemic prevention concentrates the water seal floor drain of claim 1, wherein, the inner wall of the said drain pipe body (12) has annular mounting grooves (124);

the installation ring (21) can be dismantled with cyclic annular mounting groove (124) and be connected first water seal wall (22) and intake antrum (121) inner wall laminating, just intake antrum (121) and drainage chamber (123) are kept apart in second water seal wall (23), simultaneously installation ring (21), first water seal wall (22) and second water seal wall (23) are connected as an organic whole.

4. The epidemic prevention concentrates the water seal floor drain of claim 3, wherein the junction of the first water seal wall (22) and the second water seal wall (23) is rounded off.

5. The epidemic prevention concentrates the water seal floor drain of claim 3, wherein, there is a sealing ring (211) between the mounting ring (21) and the annular mounting groove (124).

6. The epidemic prevention concentrates the water seal floor drain of claim 1, wherein, the bottom of the body of intaking (11) is established outside the top of the body of draining (12).

7. The epidemic prevention centralized water seal floor drain according to claim 1, further comprising a floor drain (6) for guiding waste water into the water inlet pipe body (11), wherein the floor drain (6) comprises a floor drain cover (61) and a support member (62) sleeved with the floor drain cover (61), and the floor drain cover (61) is detachably connected with the support member (62).

8. The epidemic prevention concentrates the water seal floor drain of claim 7, wherein the support member (62) includes an adjusting member (621) connected with the waste pipe and a mounting groove (622) arranged on the adjusting member (621), the mounting groove (622) is provided with a tricuspid valve check valve (6221) in a clamping manner.

9. The epidemic prevention centralized water seal floor drain according to claim 1, wherein the reserved pipe (3) comprises a plurality of groups of reserved pipes (31), and the reserved pipes (31) are respectively arranged at the sides of the water inlet pipe (11) and communicated with the water inlet pipe (11);

be equipped with on the inner wall of body of intaking (11) and reserve wall (32) in advance that body (31) corresponds, wall (32) in advance is connected with body of intaking (11).

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