CN111677273A - Anti-seepage structure for reserved hole in kitchen and toilet and construction method - Google Patents
Anti-seepage structure for reserved hole in kitchen and toilet and construction method Download PDFInfo
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- CN111677273A CN111677273A CN202010444267.5A CN202010444267A CN111677273A CN 111677273 A CN111677273 A CN 111677273A CN 202010444267 A CN202010444267 A CN 202010444267A CN 111677273 A CN111677273 A CN 111677273A
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- hole
- supporting
- pipe
- filling
- layer
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
Abstract
The invention discloses a kitchen and bathroom reserved hole anti-seepage structure and a construction method, and solves the problem that the anti-seepage effect of the kitchen and bathroom reserved hole anti-seepage structure at the present stage needs to be improved. Its technical scheme main points are reserve hole antiseep structure between kitchen and toilet, including the concrete floor board, the reserve hole that runs through its upper and lower terminal surface is seted up to the concrete floor board, be equipped with drainage pipe in the reserve hole, drainage pipe have with reserve hole just right linkage segment, reserve hole with be equipped with filling portion between the linkage segment, drainage pipe still can demountable installation have the template piece that closes the lower extreme opening lid in reserve hole, the round platform form that reserves the hole and be inversion, drainage pipe has the support frustum portion that the external diameter reduces gradually along its direction of height, filling portion is including the closely knit filling layer that is located the support frustum portion outside, reserve hole antiseep effect ideal of antiseepage structure between kitchen and toilet.
Description
Technical Field
The invention relates to the field of fixed building floor slabs, in particular to an anti-leakage structure for a reserved hole in a kitchen and toilet and a construction method.
Background
In the construction of fixed buildings, concrete floors in kitchens and bathrooms are usually reserved with reserved holes for installing drainage pipelines in subsequent projects. Referring to fig. 8, a reserved hole drainage pipeline installation structure comprises a first floor slab 91 'and a first drainage pipeline 92', wherein a first reserved hole 911 'is formed in the first floor slab 91', the outer diameter of the first drainage pipeline 92 'is smaller than the outer diameter of the first reserved hole 911' and penetrates through the first reserved hole 911 'up and down, and concrete is filled between the outer wall of the first drainage pipeline 92' and the inner wall of the first reserved hole 911 'to form a first filling part 93'. Because the first filling part 93 'and the first floor 91' are poured in batches, and in the pouring process of the first filling part 93 ', the lower template is not supported, so that the concrete of the first filling part 93' cannot be compacted, gaps are easily formed on the contact surface of the first filling part 93 'and the first reserved hole 911', and the contact surface of the first filling part 93 'and the first drainage pipeline 92', and the leakage problem of the reserved hole drainage pipeline installation structure is easy to occur.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the anti-seepage structure for the kitchen and toilet reserved hole, which has an ideal anti-seepage effect.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a kitchen guarding's reservation hole anti-seepage structure, includes the concrete floor board, the concrete floor board is seted up and is run through its reservation hole of terminal surface from top to bottom, be equipped with drainage pipe in the reservation hole, drainage pipe have with the just right linkage segment in reservation hole, the reservation hole with be equipped with filling portion between the linkage segment, drainage pipe still can dismantle the template piece of installing the lower extreme opening lid in reservation hole and closing, the reservation hole is the round platform form of invering, drainage pipe has the support frustum portion that the external diameter reduces gradually along its direction of height, filling portion is including the closely knit filling layer that is located the support frustum portion outside.
Through adopting above-mentioned technical scheme, because be provided with the template spare that closes the lower extreme opening lid in reservation hole on the drainage pipe, make when carrying out the construction of filling portion, can carry out the compaction operation to filling portion, make filling portion can with the drainage pipe outer wall, filling portion and reservation hole inner wall fully contact, reduced between filling portion and the drainage pipe outer wall, the probability that produces the clearance between filling portion and the reservation hole inner wall, thereby improved the antiseep effect of above-mentioned kitchen guarding's reservation hole anti-seepage leakage structure. Wherein, owing to set the hole of reserving to the round platform form, drainage pipe still is equipped with support frustum portion, both all have the arc surface that supports closely knit filling layer, make closely knit filling layer between the two in the work progress, closely knit filling layer can be better by the compaction between the two, help closely knit filling portion and hole inner wall of reserving, closely knit filling portion and support frustum portion to combine, thereby further improved the antiseep effect of above-mentioned kitchen guarding's hole of reserving anti-seepage leakage structure.
The drainage pipeline is further provided with at least two supporting cone parts at the connecting section, the adjacent supporting cone parts are connected through a transition cone part with the outer diameter gradually increasing along the height direction of the supporting cone parts, and a transition groove is formed on the outer side of the transition cone part of the drainage pipeline; the filling part also comprises a transition filling layer positioned outside the transition frustum part; the top surface of the transition filling layer is provided with a first sealing adhesive layer, and the top surface of the first sealing adhesive layer is coated with a first waterproof coating.
Through adopting above-mentioned technical scheme, drainage pipe sets up two at least support frustum portions, and two adjacent support frustum portions connect through transition frustum portion, help closely knit filling portion and reservation hole inner wall, closely knit filling portion and support the combination of frustum portion. Wherein, the top surface of transition filling layer is equipped with first sealing glue layer, has reduced the transmission of water at the filling layer, has improved the antiseep effect of above-mentioned kitchen bathroom reservation hole anti-seepage structure. Because the filling part poured above the first sealing adhesive layer is still in a non-condensed state, the non-condensed filling part can damage the structure of the first sealing adhesive layer, and the sealing effect of the first sealing adhesive layer is reduced. Consequently lay first waterproof coating at first sealant layer's top surface, the packing portion of first sealant layer and its top can be kept apart in waterproof coating's settlement, reduces the destruction of the packing portion of first sealant layer top to first sealant layer.
The invention is further arranged that the bottom surface of the first sealant layer is lower than the top of the transition frustum part, and the first sealant layer is provided with a sealing part extending into the transition groove; the top surface of the first sealant layer is not lower than the top surface of the transition frustum portion.
Through adopting above-mentioned technical scheme, first sealing glue layer has the sealing that stretches into the transition recess, has increased area of contact between first sealing glue layer and the drainage pipe outer wall, helps the combination of first sealing glue layer and drainage pipe's outer wall, has reduced the probability that water passes through between first sealing glue layer and the drainage pipe outer wall, has improved the antiseep effect of above-mentioned kitchen bathroom reservation hole anti-seepage structure.
The invention is further set up in that the drainage pipeline comprises a support outer pipe and a drainage inner pipe, an anti-seepage cavity is formed between the support outer pipe and the drainage inner pipe, and a water absorbing part is arranged in the anti-seepage cavity of the drainage pipeline; the supporting cone part and the transition cone part are both arranged on the supporting outer pipe; the supporting outer pipe is provided with a water seepage port penetrating through the inner side wall and the outer side wall of the supporting outer pipe at the supporting frustum part, and the inner side wall of the supporting outer pipe is provided with isolating cloth covering the water seepage port.
Because the combination between support outer tube and the filling portion is comparatively ideal for the probability greatly reduced that the seepage phenomenon of water droplet formula appears between filling portion and the support outer tube, and still probably there is the phenomenon of a small amount of infiltration between filling portion and the support outer tube, and this part infiltration volume can not form the water droplet, only can increase the water content of filling portion, and form a small amount of surface attached water between the outer wall of filling portion and support outer tube. By adopting the technical scheme, water vapor in the filling part can enter the anti-seepage cavity through the water seepage port and is absorbed by the water absorbing piece in the anti-seepage cavity, so that the humidity in the anti-seepage cavity is reduced, and the reduction of the water content in the filling part is facilitated. The isolation cloth can isolate concrete of the filling part from entering the anti-seepage cavity, and construction of the filling part is facilitated.
The invention is further arranged in that the inner drainage pipe is sleeved with a lower end cover which is supported at the bottom of the outer supporting pipe and hermetically covers the bottom opening of the outer supporting pipe; the water absorbing part comprises a water absorbing pipe which is arranged outside the inner drainage pipe in a sliding mode, at least two water absorbing discs which are arranged along the axial direction of the water absorbing pipe at intervals, and an upper end cover which is used for sealing and covering the top opening of the outer supporting pipe; the top surface of the water absorption plate is circumferentially provided with a plurality of water absorption grooves at intervals, and water absorption fillers are arranged in the water absorption grooves.
By adopting the technical scheme, after the water absorption filler fails, the water absorption piece can be taken out from the anti-seepage cavity, so that the water absorption piece always has a moisture absorption effect in the anti-seepage cavity, and the anti-seepage cavity is favorable for keeping a low-humidity state. The water absorption grooves are circumferentially arranged on the water absorption disc at intervals, and the water absorption effect of the water absorption piece in the anti-seepage cavity is improved. Wherein, the structure of above-mentioned piece that absorbs water sets for, and the user can be through observing the change that absorbs water the filler in each groove that absorbs water in the piece that absorbs water, can know the arrangement condition of humidity on each circumferential position of filling portion.
The water sucking disc is characterized in that a supporting inner conical surface is arranged inside the supporting conical table part, the top surface of the water sucking disc is parallel to the supporting inner conical surface, and the notch of the water sucking groove is arranged towards the water seepage port.
By adopting the technical scheme, the water absorption filler in the water absorption groove can better absorb water vapor at the water seepage port of the filling part, so that the humidity in the anti-seepage cavity can be kept, and the anti-seepage effect of the anti-seepage structure for the reserved hole in the kitchen and toilet can be improved.
The invention is further provided that the template part is provided with a template threaded hole, and the outer part of the drain pipe is provided with an external thread matched with the template threaded hole; the template spare is including the left template and the right template of mutual concatenation, left side template has the template inserted sheet, right side template has the confession the template inserted sheet is male the template slot, the template inserted sheet passes through the fix with screw in the template slot.
By adopting the technical scheme, the template piece is installed on the drainage pipeline through threads, and the installation mode is simple in structure and convenient to install. The template piece has left template and right template detachable combination to form, conveniently dismantles the template piece from drainage pipe after kitchen bathroom reserves hole antiseep structure construction completion.
The invention is further arranged in that a layer of isolating sheet is laid on the top surface of the template component, the isolating sheet is provided with a contraction hole for the drainage pipeline to pass through, and the isolating sheet is provided with an elastic contraction ring at the contraction hole.
Through adopting above-mentioned technical scheme, the spacing block can separate filling portion and template spare, helps conveniently dismantling the template spare from drainage pipe after kitchen bathroom reservation hole antiseep structure construction is accomplished, keeps the roughness of filling portion bottom surface.
A construction method of an anti-seepage structure for a reserved hole in a kitchen and toilet is used for the construction of the anti-seepage structure for the reserved hole in the kitchen and toilet and comprises the following steps: s1, installing and fixing a prefabricated mould for forming the reserved hole on the mould of the concrete floor plate, and integrally pouring the concrete floor plate; s2, removing the prefabricated mould from the concrete floor plate to form a reserved hole; s3, fixing a supporting outer pipe in the reserved hole, and covering a lower end opening of the reserved hole by using a template piece, wherein the supporting outer pipe is provided with two supporting cone parts and a transition cone part; s4, pouring a first dense filling layer by using concrete, wherein the top surface height of the first dense filling layer is equal to the top height of the support cone part at the lowest position in the support outer pipe, and compacting the first dense filling layer; s5, after the first compact filling layer is solidified, pouring a transition filling layer by using concrete, wherein the height of the top surface of the transition filling layer is lower than that of the top of the transition frustum part, and compacting the transition filling layer; s6, after the transitional filling layer is solidified, filling a first sealing adhesive layer on the top surface of the transitional filling layer, wherein the top surface of the first sealing adhesive layer is higher than the top height of the transitional frustum part; s7, after the first sealing adhesive layer is solidified, coating a first waterproof coating on the top surface of the first sealing adhesive layer; s8, after the first waterproof coating is solidified, pouring a second compact filling layer by using concrete, wherein the top height of the second compact filling layer is lower than the top height of the uppermost supporting cone part in the supporting outer tube, and compacting the second compact filling layer; s9, after the second dense filling layer is solidified, filling a second sealing adhesive layer on the top surface of the second dense filling layer, wherein the top surface of the second sealing adhesive layer is flush with the top surface of the concrete floor slab; s10, after the second sealant layer is solidified, brushing a second waterproof coating on the top surface of the second sealant layer and the top surface of the concrete floor; s11, after the second waterproof coating is dried, paving a cement mortar leveling layer; s12, after the cement mortar leveling layer is solidified, taking down the outer pipe supporting piece from the supporting outer pipe, and installing the drainage inner pipe and the water absorbing piece into the supporting outer pipe; s13, removing the template component from the supporting outer pipe; s14, finishing the bottom surface of the first dense filling layer to make the bottom surface of the first dense filling layer flush with the bottom surface of the concrete floor slab
Through adopting above-mentioned technical scheme, when carrying out the construction of filling portion, use the lower extreme opening lid of template spare with the reservation hole to close, help follow-up each part of filling portion to carry out the compaction operation, help the combination of filling portion and drainage pipe outer wall, filling portion and reservation hole inner wall, promoted the antiseep performance of kitchen bathroom reservation hole anti-seepage structure. Wherein, the top surface of transition filling layer is equipped with first sealing glue layer, has reduced the transmission of water at the filling layer, has improved the antiseep effect of above-mentioned kitchen bathroom reservation hole anti-seepage structure.
The present invention further provides that step S3 further includes: after the supporting outer pipe is fixed to the reserved hole, a hollow filling air bag is plugged into the supporting outer pipe, and the filling air bag is filled with air, so that the outer wall of the filling air bag is supported on the inner side of the isolation cloth; step S12 further includes removing the filling bladder from the outer support tube before attaching the inner drain tube and the water absorbing member to the outer support tube.
Through adopting above-mentioned technical scheme, the gas bag of filling can support the division wall, avoids in the work progress of filling portion concrete entering into the prevention of seepage cavity, and makes filling portion also can obtain sufficient support at the infiltration opening department to help the combination between filling portion and the support pipeline.
In summary, the invention includes at least one of the following beneficial technical effects:
1. a kitchen and toilet reserved hole anti-leakage structure comprises a truncated cone-shaped reserved hole, a drainage pipeline with a supporting frustum part and a filling part filled between the drainage pipeline and the inner wall of the reserved hole, wherein the drainage pipeline is also provided with a template part for covering an opening at the lower end of the reserved hole, so that the filling part can be compacted when the filling part is constructed, the filling part can be fully contacted with the outer wall of the drainage pipeline, the filling part and the inner wall of the reserved hole, the probability of generating gaps between the filling part and the outer wall of the drainage pipeline and between the filling part and the inner wall of the reserved hole is reduced, and the anti-leakage effect of the kitchen and toilet reserved hole anti-leakage structure is improved;
2. the drainage pipeline is at least provided with two supporting frustum parts, the adjacent supporting frustum parts are connected through the transition frustum parts, a first sealing adhesive layer is laid on the top surface of the transition filling layer corresponding to the transition frustum parts, the first sealing adhesive layer is provided with a sealing part extending into the transition groove, the transmission of water in the filling layer is reduced, and the anti-leakage effect of the anti-leakage structure of the reserved hole in the kitchen and toilet is improved;
3. the drainage pipeline comprises an outer supporting pipe and an inner drainage pipe, an anti-seepage cavity is arranged between the outer supporting pipe and the inner drainage pipe, the outer supporting pipe is provided with a water seepage port, and a water absorbing part is arranged in the anti-seepage cavity, so that water vapor in the filling part can enter the anti-seepage cavity through the water seepage port and is absorbed by the water absorbing part in the anti-seepage cavity, the humidity in the anti-seepage cavity is reduced, and the water content in the filling part is favorably reduced.
Drawings
FIG. 1 is a schematic structural view of an anti-seepage structure for a reserved hole in a kitchen and toilet.
Fig. 2 is a schematic structural view of the support outer tube in the present invention.
Fig. 3 is an enlarged view at a in fig. 1.
Fig. 4 is a schematic view of the construction of the form member of the present invention.
Fig. 5 is a schematic structural view of the prefabricated mold of the present invention.
Fig. 6 is a schematic structural view of the outer tube support member of the present invention.
Figure 7 is a schematic view of the structure of the air-filled bag of the present invention.
FIG. 8 is a schematic view showing a drainage pipe installation structure with a hole reserved in the prior art.
In the figure: 1. a concrete floor slab; 11. reserving a hole; 2. supporting the outer tube; 21. an upper mounting section; 221. a first support frustum portion; 2211. a first water seepage port; 2212. a first supporting inner conical surface; 222. a transition frustum portion; 2221. a transition groove; 223. a second support frustum portion; 2231. a second water seepage port; 2232. a second supporting inner conical surface; 224. an isolation cloth; 23. a lower mounting section; 24. an impermeable cavity; 25. the outer pipe is provided with a threaded hole; 3. a drainage inner pipe; 4. a lower end cover; 41. a lower convex portion; 42. a lower through hole; 5. a water absorbing member; 51. a suction pipe; 52. a water absorbing pan; 521. a water suction tank; 53. an upper end cover; 531. an upper convex portion; 532. a first seal groove; 533. a first seal ring; 534. a second seal groove; 535. a second seal ring; 536. an upper through hole; 54. a water-absorbing filler; 6. a template member; 61. a threaded hole of the template; 62. a left template; 621. inserting a template sheet; 63. a right template; 631. a template slot; 7. a filling section; 71. a first dense packing layer; 72. a transitional filling layer; 73. a first sealant layer; 731. a sealing part; 74. a first water-resistant coating; 75. a second dense packing layer; 76. a second sealant layer; 77. a second water-resistant coating; 78. leveling layer of cement mortar; 81. prefabricating a mould; 811. a forming section; 812. a pulling-out section; 813. pulling out the flanging; 82. an outer tube support; 821. a support frame; 8211. installing an outer ring; 8212. mounting support legs; 8213. a support bar; 822. installing an inner ring; 8221. mounting a through hole; 83. filling the air bag; 831. an inflation joint; 832. a first inflation section; 833. a second inflation section; 833. a third inflation portion; 91', a first floor slab; 911', a first reserved hole; 92', a first drain conduit; 93' and a first filling portion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the leakage-proof structure for the reserved hole in the kitchen and toilet, disclosed by the invention, comprises a concrete floor plate 1, a drainage pipeline and a filling part filled between the outer wall of the drainage pipeline and the concrete floor plate 1. The concrete floor panel 1 has a reserved hole 11 for a drainage pipeline to be vertically installed. The reserved hole 11 is in an inverted round table shape.
The drainage pipe comprises an outer support pipe 2 and an inner drainage pipe 3 coaxially mounted within the outer support pipe 2.
Referring to fig. 1 and 2, the supporting outer pipe 2 sequentially includes, from top to bottom, an upper installation section 21 located above the concrete floor slab 1, a connection section facing the inner wall of the reserved hole 11, and a lower installation section 23 located below the concrete floor slab 1.
The connecting section is, from bottom to top, a first support frustum portion 221, a transition frustum portion 222 and a second support frustum portion 223 in this order. The outer diameters of the first support frustum portion 221 and the second support frustum portion 223 are gradually reduced in the height direction thereof. Wherein the tapers of the first and second support frustum portions 221 and 223 are consistent with the taper of the prepared hole 11. The first support frustum portion 221 and the transition frustum portion 222, the transition frustum portion 222 and the second support frustum portion 223 are all circular arc transitional.
The first support cone portion 221 is uniformly provided with six first water penetration ports 2211 in the circumferential direction of the outer wall thereof. The first water permeating opening 2211 is square, and the lower edge of the first water permeating opening 2211 is horizontally arranged. The second support cone portion 223 is uniformly provided with six second water seepage ports 2231 in the circumferential direction of the outer wall thereof. The second water seepage port 2231 is also square, and the lower edge of the second water seepage port 2231 is also horizontally arranged. Wherein, the first water seepage port 2211 and the second water seepage port 2231 are arranged at intervals in the circumferential direction.
Wherein the inner wall of the first support cone portion 221 is a first support inner cone 2212. The inner wall of the second support frustum portion 223 is a second support inner conical surface 2232. An isolating cloth 224 for covering the first water seepage port 2211/the second water seepage port 2231 is arranged between the first supporting inner conical surface 2212 and the second supporting inner conical surface 2232. In this embodiment, the separation cloth 224 is made of an air-permeable geotextile, and the separation cloth 224 is fixed to the first support inner conical surface 2212/the second support inner conical surface 2232 by fixing glue.
The outer diameter of the transition frustum portion 222 gradually increases in the height direction, and the taper of the transition frustum portion 222 is greater than the first and second support frustum portions 221 and 223. The support outer tube 2 is formed with a transition groove 2221 at the outer side of the transition frustum portion 222.
The bottom of the support outer tube 2 is provided with a lower end cap 4 which hermetically covers the lower end opening of the support outer tube 2. Wherein, the lower end cap 4 is provided with a lower convex part 41 extending into the support outer tube 2, and the lower convex part 41 and the support outer tube 2 are hermetically connected through waterproof glue. The lower end cover 4 is provided with a lower through hole 42 for the drainage inner pipe 3 to pass through, and the drainage inner pipe 3 is in clearance fit with the lower through hole 42. After the drainage inner tube 3 is penetrated out from the lower end cover 4, the lower side edge of the lower through hole 42 is sealed and connected with the drainage inner tube 3 and the lower end cover 4 by waterproof glue.
An impermeable cavity 24 is formed between the support outer pipe 2 and the drainage inner pipe 3.
Referring to fig. 1, the water absorbing member 5 includes a water absorbing pipe 51 slidably mounted on the outer side of the inner drain pipe 3, two water absorbing discs 52 arranged along the axial direction of the water absorbing pipe 51 at intervals and respectively corresponding to the first supporting cone part 221 and the second supporting cone part 223, and an upper end cap 53 for sealing and covering the top opening of the supporting outer pipe 2.
When the water absorbing member 5 is mounted in the impervious cavity 24, the bottom of the water absorbing pipe 51 abuts against the top surface of the lower end cap 4, and the upper end cap 53 covers the upper end opening of the supporting outer pipe.
Referring to fig. 1 and 3, the upper cap 53 has an upper protrusion 531 extending into the support outer tube 2. The upper protrusion 531 is circumferentially provided with a first seal groove 532, and a first seal ring 533 is installed in the seal groove. Wherein, the top of the supporting outer tube 2 is opened with an outer tube threaded hole 25, and the upper end cap 53 has an upper cap through hole 536 disposed in one-to-one correspondence with the outer tube threaded hole 25, so that the upper end cap 53 can be fixed on the top of the supporting outer tube 2 by bolts.
The upper end cover 53 further has an upper through hole 536 through which the inner drain pipe 3 passes, and the upper end cover 53 is provided with a second seal groove 534 in the circumferential direction of the inner wall of the upper through hole 536, and a second seal ring 535 fitted to the inner drain pipe 3 is installed in the second seal groove 534.
Referring to fig. 1, the top surface of the suction disc 52 is parallel to the first supporting inner tapered surface 2212 or the second supporting inner tapered surface 2232. Six water suction grooves 521 are circumferentially and uniformly arranged on the top surface of each water suction disc 52 at intervals, and the notches of the water suction grooves 521 are arranged towards the first water seepage port 2211/the second water seepage port 2231. Wherein, the water absorption tank 521 is provided with a water absorption filler 54. In the present embodiment, the water absorbent filler 54 is a water absorbent resin powder. The water absorbent filler 54 may be other water absorbent materials such as activated carbon powder.
Referring to fig. 1 and 4, the outer support pipe 2 is provided with external threads at the outer side of the lower mounting portion and a template member 6 is detachably mounted at the lower mounting portion. The template member 6 has template threaded holes 61 that mate with the external threads. The formwork member 6 includes a left formwork 62 and a right formwork 63 which are spliced with each other. The left template 62 has template insert 621, the right template 63 has template slot 631 into which the template insert 621 is inserted, and the template insert 621 is fixed in the template slot 631 by screws.
The top surface of the template part 6 is paved with a layer of spacing block, and the spacing block is provided with a contraction hole for the drainage pipeline to pass through. The spacing block is provided with an elastic contraction ring at the contraction hole. In this embodiment, a plastic film is used as the separator.
Referring to fig. 1, the filling portion sequentially includes, from bottom to top, a first dense filling layer 71, a transitional filling layer 72, a first sealant layer 73, a first waterproof coating 74, a second dense filling layer 75, and a second sealant layer 76.
The bottom surface of the first dense filling layer 71 is at the same height as the bottom surface of the concrete floor slab 1, and the top surface of the first dense filling layer 71 is at the same height as the top of the first support cone portion 221. The transition filling layer 72 is laid on the top surface of the first dense filling layer 71, and the height of the top surface of the transition filling layer 72 is lower than the height of the top of the transition frustum portion 222. The first sealant layer 73 is disposed on the top surface of the transition filling layer 72, and the first sealant layer 73 has a sealing portion 731 extending into the transition groove 2221, and the top surface of the first sealant layer 73 is higher than the top of the transition frustum portion 222. The first waterproof coating 74 is provided on the top surface of the first sealant layer 73. A second solid filled layer 75 is disposed on top of the first waterproof coating 74. The height of the top surface of the second seal filling layer is lower than the height of the top of the second support frustum portion 223. A second sealant layer 76 is applied to the top surface of the second solid fill portion. The top surface of the second sealant layer 76 is at the same height as the top surface of the concrete floor panel 1.
In order to improve the anti-leakage effect of the anti-leakage structure of the whole reserved hole in the kitchen and toilet, a second waterproof coating 77 is laid on the top surfaces of the concrete floor plate 1 and the filling part, and a cement mortar leveling layer 78 is further laid on the top surface of the second waterproof coating 77.
Referring to fig. 1, 5, 6 and 7, a construction method of an anti-seepage structure for a reserved hole of a kitchen and toilet room is used for constructing the anti-seepage structure for the reserved hole of the kitchen and toilet room, which requires a prefabricated mold 81 for forming the reserved hole 11, an outer pipe support 82 for fixedly supporting an outer pipe 2 in the reserved hole 11, and a filling air bag 83 for preventing concrete from entering an inner cavity of the supporting outer pipe 2 through a first water seepage port 2211 and a second water seepage port 2231.
Referring to fig. 5, the prefabricated mold 81 includes a molding section 811 and a pulling-out section 812 in this order from bottom to top. Wherein, the forming section 811 is in the shape of an inverted circular truncated cone which is consistent with the shape of the reserved hole 11. The prefabricated mold 81 is provided with an extraction flange 813 on the top surface of the extraction section 812 for being clamped by a jig so as to extract the prefabricated mold 81 from the concrete floor panel 1.
Referring to fig. 3 and 6, the outer tube support 82 includes a support bracket 821 and a mounting inner ring 822. Wherein, the mounting inner ring 822 has mounting through holes 8221 corresponding to the outer tube screw holes 25 at the top of the support outer tube 2 one by one, so that the mounting inner ring 822 can be fixed at the top of the support outer tube 2 by bolts. After the supporting outer tube 2 is mounted on the mounting inner ring 822 of the outer tube support 82, the supporting outer tube 2 is allowed to be placed in the reserved hole 11 without being detached from the reserved hole 11. The mounting bracket 821 includes a mounting outer ring 8211, a mounting leg 8212 disposed on the mounting outer ring 8211 and supported on the ground, and a support rod 8213 connecting between the mounting outer ring 8211 and the mounting inner ring 822.
Referring to fig. 1 and 7, the inflation bladder 83 has an inflation nipple 831, a first inflation section 832 engaged with the first support frustum 221, a second inflation section 833 engaged with the transition frustum 222, and a third inflation section 833 engaged with the second support frustum 223. When the inflation balloon 83 is mounted to the support outer tube 2 and the inflation is completed, the first inflation portion 832 is attached to the inner wall of the first support frustum portion 221, the second inflation portion 833 is attached to the inner wall of the transition frustum portion 222, and the third inflation portion 833 is attached to the inner wall of the second support frustum portion 223.
The construction method of the anti-seepage structure for the reserved hole in the kitchen and toilet comprises the following steps:
s1, installing and fixing the prefabricated mold 81 on the mold of the concrete floor plate 1, and integrally casting the concrete floor plate 1;
s2, detaching the prefabricated mould 81 from the concrete floor plate 1 to form a reserved hole 11, and finishing the inner surface of the reserved hole 11;
s3, fixing the supporting outer pipe 2 in the reserved hole 11 by using the outer pipe supporting piece 82, paving a layer of spacer on the top surface of the template piece 6, and covering the lower end opening of the reserved hole 11 by using the template piece 6; installing the filling balloon 83 into the inner cavity of the support outer tube 2, and inflating the filling balloon 83 such that the first inflated portion 832 is attached to the inner wall of the first support frustum portion 221, the second inflated portion 833 is attached to the inner wall of the transition frustum portion 222, and the third inflated portion 833 is attached to the inner wall of the second support frustum portion 223;
s4, pouring the first dense filling layer 71 by using concrete, enabling the height of the top surface of the first dense filling layer 71 to be consistent with that of the top of the first supporting frustum part 221, and compacting the first dense filling layer 71;
s5, after the first compact filling layer 71 is solidified, pouring the transition filling layer 72 by using concrete, wherein the top height of the transition filling layer 72 is lower than the top height of the transition frustum part 222, and compacting the transition filling layer 72;
s6, after the transitional filling layer 72 is solidified, filling a first sealant layer 73 on the top surface of the transitional filling layer 72, wherein the top surface of the first sealant layer 73 is higher than the top height of the transitional frustum portion 222;
s7, after the first sealant layer 73 is solidified, smearing a first waterproof coating 74 on the top surface of the first sealant layer 73;
s8, after the first waterproof coating 74 is solidified, pouring a second dense filling layer 75 with concrete, the height of the top surface of the second dense filling layer 75 being lower than the height of the top of the uppermost supporting frustum portion in the supporting outer tube 2, and compacting the second dense filling layer 75;
s9, after the second dense filling layer 75 is solidified, filling a second sealant layer 76 on the top surface of the second dense filling layer 75, wherein the top surface of the second sealant layer 76 is flush with the top surface of the concrete floor slab 1;
s10, after the second sealant layer 76 is solidified, brushing a second waterproof coating 77 on the top surface of the second sealant layer 76 and the top surface of the concrete floor slab 1;
s11, after the second waterproof coating 77 is dried, paving a cement mortar leveling layer 78;
s12, after the cement mortar leveling layer 78 is solidified, taking the outer pipe supporting piece 82 down from the supporting outer pipe 2, deflating the filling air bag 83, taking the filling air bag 83 down from the supporting outer pipe 2, and installing the drainage inner pipe 3 and the water absorbing piece 5 into the supporting outer pipe 2;
s13, after the left template 62 and the right template 63 of the template piece 6 are separated, the template piece 6 is taken down from the supporting outer tube 2, and the spacing pieces are torn off from the bottom surface of the first dense filling layer 71;
s14, finishing the bottom surface of the first solid filled layer 71 so that the bottom surface of the first solid filled layer 71 is flush with the bottom surface of the concrete floor slab 1.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a kitchen guarding's reservation hole anti-seepage structure, includes concrete floor board (1), concrete floor board (1) is seted up and is run through reservation hole (11) of its upper and lower terminal surface, be equipped with drainage pipe in reservation hole (11), drainage pipe have with reservation hole (11) just right linkage segment, reservation hole (11) with be equipped with packing portion between the linkage segment, its characterized in that, drainage pipe still can dismantle to install template spare (6) that close the lower extreme opening lid in reservation hole (11), reservation hole (11) are the round platform form of inversion, drainage pipe has the support frustum portion that the external diameter reduces gradually along its direction of height, packing portion is including the closely knit filling layer that is located the support frustum portion outside.
2. The kitchen and bathroom reserved hole leakage prevention structure as claimed in claim 1, wherein said drainage pipeline is provided with at least two support cone parts at said connecting section, adjacent support cone parts are connected by a transition cone part (222) whose outer diameter is gradually increased along the height direction thereof, said drainage pipeline is formed with a transition groove (2221) at the outer side of said transition cone part (222); the filling section further comprises a transition filling layer (72) located outside the transition frustum section (222); the top surface of the transition filling layer (72) is provided with a first sealing adhesive layer (73), and the top surface of the first sealing adhesive layer (73) is coated with a first waterproof coating (74).
3. A kitchen and bathroom reservation hole leakage prevention structure as claimed in claim 2, characterized in that the bottom surface of the first sealant layer (73) is lower than the top of the transition frustum portion (222), the first sealant layer (73) has a sealing portion (731) extending into the transition groove (2221); the top surface of the first sealant layer (73) is not lower than the top surface of the transition frustum portion (222).
4. The kitchen-toilet reserved hole leakage prevention structure as claimed in claim 3, wherein the drainage pipeline comprises an outer supporting pipe (2) and an inner drainage pipe (3), an anti-seepage cavity (24) is formed between the outer supporting pipe (2) and the inner drainage pipe (3), and a water sucking piece (5) is arranged in the anti-seepage cavity (24) of the drainage pipeline; the support cone part and the transition cone part (222) are arranged on the support outer pipe (2); the supporting outer pipe (2) is provided with a water seepage port penetrating through the inner side wall and the outer side wall of the supporting outer pipe (2) at the supporting cone part, and the inner side wall of the supporting outer pipe (2) is provided with isolating cloth (224) covering the water seepage port.
5. The kitchen and toilet reserved hole leakage prevention structure as claimed in claim 4, wherein the drainage inner pipe (3) is sleeved with a lower end cover (4) which is supported at the bottom of the supporting outer pipe (2) and is used for sealing and covering the bottom opening of the supporting outer pipe (2); the water absorbing part (5) comprises a water absorbing pipe (51) which is arranged outside the inner drainage pipe (3) in a sliding mode, at least two water absorbing discs (52) which are arranged along the axial direction of the water absorbing pipe (51) at intervals, and an upper end cover (53) which is used for sealing and covering the top opening of the outer supporting pipe (2); a plurality of water absorption grooves (521) are circumferentially arranged on the top surface of the water absorption disc (52) at intervals, and water absorption fillers (54) are arranged in the water absorption grooves (521).
6. The structure for preventing leakage of reserved holes in kitchens and bathrooms as claimed in claim 5, wherein the inside of said supporting cone part is a supporting inner conical surface, the top surface of said water sucking disc (52) is parallel to said supporting inner conical surface, and the notch of said water sucking groove (521) is arranged towards said water seepage port.
7. The kitchen and toilet room reserved hole leakage prevention structure is characterized in that the template component (6) is provided with a template threaded hole (61), and the outer part of the drain pipe is provided with an external thread matched with the template threaded hole (61); template spare (6) are including left template (62) and right template (63) of splicing each other, left side template (62) have template inserted sheet (621), right side template (63) have the confession template inserted sheet (621) is male template slot (631), template inserted sheet (621) pass through the fix with screw in template slot (631).
8. The structure of claim 7, wherein the top surface of the form member (6) is provided with a layer of spacer having a contraction hole for the drainage pipeline to pass through, and the spacer is provided with an elastic contraction ring at the contraction hole.
9. A construction method of a kitchen and toilet reserved hole seepage prevention structure, which is used for the construction of the kitchen and toilet reserved hole seepage prevention structure of claim 5, and comprises the following steps:
s1, installing and fixing a prefabricated mould (81) for forming the reserved hole (11) on the mould of the concrete floor plate (1), and integrally pouring the concrete floor plate (1);
s2, removing the prefabricated mould (81) from the concrete floor plate (1) to form a reserved hole (11);
s3, fixing the supporting outer pipe (2) in the reserved hole (11), and covering the lower end opening of the reserved hole (11) by using a template piece (6), wherein the supporting outer pipe (2) is provided with two supporting cone parts and a transition cone part (222);
s4, pouring a first dense filling layer (71) by using concrete, wherein the height of the top surface of the first dense filling layer (71) is equal to the height of the top of the lowest supporting cone part in the supporting outer pipe (2), and compacting the first dense filling layer (71);
s5, after the first compact filling layer (71) is solidified, pouring a transition filling layer (72) by using concrete, wherein the height of the top surface of the transition filling layer (72) is lower than that of the top of the transition frustum part (222), and compacting the transition filling layer (72);
s6, after the transitional filling layer (72) is solidified, filling a first sealant layer (73) on the top surface of the transitional filling layer (72), wherein the top surface of the first sealant layer (73) is higher than the top height of the transitional frustum part (222);
s7, after the first sealing adhesive layer (73) is solidified, coating a first waterproof coating (74) on the top surface of the first sealing adhesive layer (73);
s8, after the first waterproof coating (74) is solidified, pouring a second compact filling layer (75) by using concrete, wherein the height of the top surface of the second compact filling layer (75) is lower than that of the top of the uppermost supporting cone part in the supporting outer pipe (2), and compacting the second compact filling layer (75);
s9, after the second dense filling layer (75) is solidified, filling a second sealing adhesive layer (76) on the top surface of the second dense filling layer (75), wherein the top surface of the second sealing adhesive layer (76) is flush with the top surface of the concrete floor plate (1);
s10, after the second sealant layer (76) is solidified, brushing a second waterproof coating (77) on the top surface of the second sealant layer (76) and the top surface of the concrete floor plate (1);
s11, after the second waterproof coating (77) is dried, paving a cement mortar leveling layer (78);
s12, after the cement mortar leveling layer (78) is solidified, taking down the outer pipe supporting piece (82) from the supporting outer pipe (2), and installing the drainage inner pipe (3) and the water absorbing piece (5) into the supporting outer pipe (2);
s13, removing the template component (6) from the supporting outer pipe (2);
s14, finishing the bottom surface of the first dense filling layer (71) so that the bottom surface of the first dense filling layer (71) is flush with the bottom surface of the concrete floor slab (1).
10. The construction method of a leakage-proof structure of a kitchen-toilet reserved hole as claimed in claim 9, wherein the step S3 further comprises: after the supporting outer pipe (2) is fixed to the reserved hole (11), a hollow filling air bag (83) is plugged into the supporting outer pipe (2), and air is filled into the filling air bag (83), so that the outer wall of the filling air bag (83) is supported on the inner side of the isolation cloth (224); step S12 further includes removing the filling bladder (83) from the outer support tube (2) before attaching the inner drain tube (3) and the water absorbing member (5) to the outer support tube (2).
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| CN202010444267.5A CN111677273B (en) | 2020-05-22 | 2020-05-22 | Anti-seepage structure for reserved hole in kitchen and toilet and construction method |
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