Embedded pipe fitting water seepage prevention structure and embedded pipe assembly
By using a detachable semi-bowl-shaped filling half-frame and bolted sealing structure, the problem of easy cracking at the sealing part of the pre-embedded pipe assembly is solved, achieving convenient maintenance and efficient water-proof effect.
Patent Information
- Application Number
- CN202520699318.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-04-14
AI Technical Summary
In existing technologies, cracks are prone to appear at the sealing parts of pre-embedded pipe assemblies, leading to a decrease in water-proofing ability. Furthermore, existing sealing structures are complex to construct or inconvenient to maintain.
The system uses two semi-bowl-shaped infill half-frames, which are connected by fixing bolts to form a sealed structure. The infill half-frames can be disassembled and filled with foam glue or waterproof mortar. After assembly, they form a water-proof structure. The fixing bolts are connected to the floor slab, and the sealing block is inserted into the filling hole.
It enables convenient maintenance and replacement of sealed parts, reduces construction workload, improves water-proofing effect, and reduces maintenance costs.
Smart Images

Figure CN223648772U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the construction technical field of building embedded part, concretely is embedded pipe spare anti -infiltration structure and embedded pipe subassembly. BACKGROUND
[0002] When building construction, the floor needs to be set through the water, power, etc. pipeline, the pipeline through the floor needs to be embedded hole, and then the pouring of concrete is carried out, and after pouring is completed, the pipeline is installed in the reserved hole, in order to ensure the sealing between the embedded pipe assembly and the floor, the anti -infiltration structure is needed to further seal the pipeline and the reserved hole. At present, when the embedded pipe assembly is treated in the process of new house construction, the pipeline and the floor reserved hole are sealed by mortar or special sealing assembly, but with the local cracking induced by house subsidence and the natural aging of building materials, the sealing part of the embedded pipe is prone to crack, such as mortar cracking and sealing part aging shrinkage cracking, etc. At this time, the anti -infiltration capacity of the sealing part is greatly affected.
[0003] The inventor found that the sealing part of the embedded pipe through the floor of the house built more than fifteen years appeared cracks of different degrees, especially in some old communities, even the sealing part partially fell off, which greatly affected the anti -infiltration capacity. The inventor also found that the waterproof end structure of the vertical pipe through the floor in the prior art, such as CN204828964U, has a complex construction process and high construction cost. Another anti -infiltration embedded pipe of floor drainage vertical pipe, such as CN202532025U, has a simple construction process, but is not conducive to maintenance. When disassembled, it is blocked by the pipeline, and can only be moved along the pipeline. Especially when the pipeline has obstacles at both ends, the filling frame can only be cut off, so that the filling frame cannot be used again, and the pipeline is also easily damaged, which is not convenient for construction. UTILITY MODEL CONTENTS
[0004] In order to solve the above problems, the utility model provides the following scheme:
[0005] The anti -infiltration structure of the embedded pipe comprises two half -bowl shaped filling half -frames one and two, and the filling half -frames one and two can be mutually buckled and set on the outer surface of the embedded pipe and cover the embedded hole.
[0006] The filling half -frames one and two are provided with filling holes, and the bottom edges of the filling half -frames one and two are respectively provided with a group of fixed half -rings. Two groups of fixed half -rings are respectively provided with positioning grooves. Any positioning groove is installed with a group of positioning plates through a fixed bolt one. The positioning plates are fixedly connected with a group of bent stabilizing rods. The bent stabilizing rods are provided with sealing plugs at one end. Any sealing plug is used for inserting into a filling hole.
[0007] In some modes, the filling half-frame one and the filling half-frame two are respectively provided with a group of fastening half-rings away from one end edge of the fixed half-ring, and the two groups of fastening half-rings can be connected and locked by the fixed bolts two.
[0008] In some modes, the two fastening half-rings of the filling half-frame one and the filling half-frame two are respectively provided with two groups of clamping strips, and the two groups of clamping strips can be respectively matched and embedded with each other.
[0009] In some modes, the filling half-frame one and the filling half-frame two form a circular truncated cone cover after being buckled, and the two fixed half-rings form a lower circular ring after being butt-jointed, and the two fastening half-rings form an upper circular ring after being butt-jointed.
[0010] In some modes, one group of the fixed half-ring connecting ends is provided with a group of insertion rods, and the other group of the fixed half-ring connecting ends is provided with a group of insertion holes, and the insertion rod and the insertion hole are matched one by one.
[0011] In some modes, the bottom of the two groups of the fixed half-rings is respectively provided with an inlaid groove, and a sealing gasket is inlaid and installed in the inlaid groove.
[0012] In some modes, a filling material is injected into the gap between the filling half-frame one and the filling half-frame two; the filling material is foam glue or waterproof mortar.
[0013] In some modes, the fixed bolts one are connected with the floor slab through the connecting pieces, the floor slab is provided with a pre-buried hole, a pre-buried pipe is provided in the pre-buried hole, and the filling half-frame one and the filling half-frame two can cover the pre-buried hole after being buckled.
[0014] In some modes, the pre-buried pipe is provided with a waterproof gasket, and the outer side of the waterproof gasket is attached to the inner wall of the pre-buried hole.
[0015] The pre-buried pipe assembly comprises a pre-buried hole provided through a floor, a pre-buried pipe provided in the pre-buried hole, and a pre-buried pipe anti-seepage structure provided on the pre-buried pipe, two fixed half-rings of the pre-buried pipe anti-seepage structure are butt-jointed and installed on the periphery of the pre-buried hole, and two fastening half-rings of the pre-buried pipe anti-seepage structure are butt-jointed and connected with the pre-buried pipe.
[0016] Compared with the prior art, in the present disclosure:
[0017] 1. When maintaining, the fixed bolts one and the fixed bolts two are disassembled, and then the filling half-frame one and the filling half-frame two can be disassembled, which is convenient for disassembly, convenient for maintenance and replacement of the filling half-frame one and the filling half-frame two, and further convenient for replacement and maintenance.
[0018] 2. The fixing bolts can be used to stably fix the assembled filling half-frame one, filling half-frame two and the floor slab together. In addition, the fixing bolts can also be used to stably position the sealing block in the filling hole and block the filling hole. No additional work (such as using concrete to block the filling hole) is required to seal the filling hole, which reduces the workload and improves the replacement efficiency. As a result, if the filling half-frame one and filling half-frame two can be used again after maintenance, foam glue can be injected into the inner cavity formed by the reassembled filling half-frame one and filling half-frame two through the filling hole. Attached Figure Description
[0019] Fig. 1 This is a schematic diagram of the structure of this utility model;
[0020] Fig. 2 A schematic diagram of a structural form for filling a semi-frame;
[0021] Fig. 3 A schematic diagram of one structural form for filling half-frame 2;
[0022] Fig. 4 A schematic diagram of the structure for inserting pre-embedded pipe fittings into pre-embedded holes.
[0023] In the picture:
[0024] 1. Filler half-frame one; 2. Filler half-frame two; 3. Filler hole; 4. Positioning groove; 5. Fixing bolt one; 6. Positioning plate; 7. Bending stabilizer bar; 8. Sealing block; 9. Fixing half-ring; 10. Tightening half-ring; 11. Fixing bolt two; 12. Clip; 13. Clip groove; 14. Insert rod; 15. Insertion hole; 16. Sealing gasket; 17. Floor slab; 18. Embedded hole; 19. Embedded pipe fitting; 20. Waterproof gasket. Detailed Implementation
[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. For any details not described herein, please refer to the prior art.
[0026] This pre-embedded pipe fitting anti-seepage structure includes two semi-bowl-shaped filling half-frames 1 and 2, which, when fastened together, form a through-bowl shape. The filling half-frames 1 and 2 can be interlocked and fitted around the pre-embedded pipe and cover the pre-embedded hole. After covering, filling can be carried out to further improve the anti-seepage ability. Both filling half-frames 1 and 2 have filling holes 3. The bottom edge of each filling half-frame 1 and 2 is provided with a set of fixing half-rings 9. The two sets of fixing half-rings 9 are respectively provided with positioning grooves 4. Each positioning groove 4 is installed with a positioning plate 6 by fixing bolt 5. The positioning plate 6 is fixedly connected to a set of bending stabilizing rods 7. One end of the bending stabilizing rod 7 is provided with a sealing block 8. Each sealing block 8 is used to insert into a filling hole 3.
[0027] In some cases, the components can be selected as follows, and any feature in any selection can be chosen individually:
[0028] Firstly, each of the filling half-frame 1 and filling half-frame 2, located away from the fixed half-ring 9, is provided with a set of fastening half-rings 10. The two sets of fastening half-rings 10 can be connected and locked by fixing bolts 2 11.
[0029] Secondly, the two fastening ends of the filling half-frame 1 and its fastening half-ring 10 are respectively provided with two sets of locking strips 12, and the two fastening ends of the filling half-frame 2 and its fastening half-ring 10 are respectively provided with two sets of locking slots 13. The two sets of locking strips 12 and the two sets of locking slots 13 can be matched and fitted to each other respectively.
[0030] Third, after the filling half-frame 1 and filling half-frame 2 are fastened together, they form a frustum-shaped cover, and the two fixed half-rings 9 are joined together to form a lower ring, and the two fastening half-rings 10 are joined together to form an upper ring.
[0031] Fourth, one set of fixed half-rings 9 connecting ends is provided with an array of plug rods 14, and another set of fixed half-rings 9 connecting ends is provided with an array of plug holes 15. The plug rods 14 and the plug holes 15 are matched one by one and can be nested with each other.
[0032] Fifth, both sets of fixed semi-rings 9 have inlay grooves at their bottoms, and sealing gaskets 16 are inlaid and installed in the inlay grooves to improve the contact sealing between the bottom of the fixed semi-ring 9 and the floor component. A sealing element can also be installed between the fastening semi-ring 10 and the pipe wall to increase sealing. The specific selection and adjustment are based on needs and are not particularly limited. Existing technologies can also be used for installation.
[0033] Sixth, the gap between the filling half-frame 1 and the filling half-frame 2 is filled with a filling material; the filling material is foam adhesive or waterproof mortar. The foam adhesive can be common building waterproof foam, etc. In special cases, waterproof mortar can also be used for injection. The injection can be done using tools.
[0034] Seventh, all the fixing bolts 5 are connected to the floor slab 17 via connectors (built-in connectors, such as expansion tubes or adhesive, can be installed in the floor slab). The floor slab 17 has a pre-embedded hole 18, and a pre-embedded pipe 19 is inserted through the pre-embedded hole 18. The filling half-frame 1 and filling half-frame 2, when engaged, can cover the pre-embedded hole 18. The pre-embedded hole 18 is generally reserved during floor slab pouring, and then the pre-embedded pipe 19 is inserted into the pre-embedded hole 18 after pouring. Of course, to further improve the waterproofing effect, the floor surface covering the area where the filling half-frame 1 and filling half-frame 2 are engaged can be raised in advance. However, the external surface is generally relatively flat to facilitate sealing and prevent water accumulation in this area. Waterproof mortar or leak-stopping compound, or other commonly used methods, can be used. Grouting can be performed using conventional methods, through the filling hole 3. At least one filling hole 3 can be retained for venting during grouting.
[0035] Eighth, the pre-embedded pipe fitting 19 is fitted with a waterproof gasket 20, the outer side of which is fitted with the inner wall of the pre-embedded hole 18 to increase the sealing of the connection between the two.
[0036] This embedded pipe assembly includes a pre-embedded hole extending through the floor slab, an embedded pipe fitting 19 passing through the pre-embedded hole, and a waterproof structure for the pre-embedded pipe fitting 19, as described above. The two fixed semi-rings of the waterproof structure are joined together and installed around the pre-embedded hole 18. The two fastening semi-rings 10 of the waterproof structure are joined together and connected to the embedded pipe fitting 19. This structure can be used not only for sealing embedded pipes penetrating floors but also for sealing pipes penetrating walls. The pre-embedded hole can be a hole formed during the casting of the embedded pipe fitting 19 or a through hole formed by pre-setting pre-embedded hole components; there is no particular limitation, as long as the embedded pipe fitting 19 can pass through.
[0037] In this disclosure, the various components work together to continuously improve water resistance, thus maintaining good water resistance even when some sealing functions are lost. Furthermore, its removability reduces the cost of later maintenance.
[0038] The following is combined with Figs. 1-4 Let's take a specific example to illustrate this further:
[0039] The waterproofing component includes a filling half-frame 1, which is matched with a filling half-frame 2. Each filling half-frame 1 and filling half-frame 2 has two sets of filling holes 3. Each filling half-frame 1 and filling half-frame 2 is fixedly connected to a set of fixing half-rings 9. Each of the two sets of fixing half-rings 9 has two sets of positioning grooves 4. Each of the four sets of positioning grooves 4 is fixedly installed with a set of positioning plates 6 by fixing bolts 1 5. Each of the four sets of positioning plates 6 is fixedly connected to a set of bending stabilizing rods 7. Each of the four sets of bending stabilizing rods 7 is fixedly connected to a set of sealing blocks 8. Each of the four sets of sealing blocks 8 is inserted into a set of filling holes 3. The first filling half-frame 1 and the second filling half-frame 2 are respectively fixedly connected to a set of fastening half-rings 10, and two sets of fixing bolts 21 are threadedly connected between the two sets of fastening half-rings 10. When installing the first filling half-frame 1 and the second filling half-frame 2, the first filling half-frame 1 and the second filling half-frame 2 are pressed together, so that the two sets of fastening half-rings 10 are tightly pressed against the outer wall of the embedded pipe fitting 19. Then, the two sets of fixing bolts 21 are installed respectively, thereby stabilizing the structure of the two sets of fastening half-rings 10, so that the first filling half-frame 1 and the second filling half-frame 2 are stably pressed together. The filling half-frame 1 is fixedly connected to the fastening half-ring 10 with two sets of locking strips 12. The filling half-frame 2 is fixedly connected to the fastening half-ring 10 with two sets of locking slots 13. The two sets of locking strips 12 and the two sets of locking slots 13 are matched with each other. When installing the filling half-frame 1 and the filling half-frame 2, the two sets of locking strips 12 are respectively attached to the two sets of locking slots 13, so that the filling half-frame 1 and the filling half-frame 2 are attached together. Four sets of insert rods 14 are fixedly installed on one set of the fixing half-rings 9, and four sets of insertion holes 15 are opened on the other set of the fixing half-rings 9. The four sets of insert rods 14 and the four sets of insertion holes 15 are matched with each other. When installing the filling half-frame 1 and the filling half-frame 2, the four sets of insert rods 14 are respectively inserted into the four sets of insertion holes 15. Both sets of fixed semi-rings 9 are provided with inlay grooves, and sealing gaskets 16 are inlaid in each groove. When the two sets of fixed semi-rings 9 are attached to the floor slab 17, the two sets of sealing gaskets 16 will also be tightly attached to the floor slab 17 (which can be ground and leveled if necessary), thus providing a waterproof effect, although this feature is not strictly required. The gap between the filling semi-frame 1 and the filling semi-frame 2 is filled with a filling material, which is foam adhesive. Foam adhesive has good waterproof performance, strong adhesion, and low cost, and can be filled with virtually no gaps, meeting the anti-seepage requirements (such as waterproof and leak-stopping foam, which can automatically fill and also has waterproof and anti-seepage capabilities). During the filling of foam adhesive, air vents can be temporarily left for venting and pressure equalization. All four sets of fixing bolts 5 are threadedly connected to the floor slab 17. The floor slab 17 has pre-embedded holes 18, and pre-embedded pipe fittings 19 pass through the pre-embedded holes 18. Waterproof washers 20 are fitted on the pre-embedded pipe fittings 19, and the outer side of the waterproof washers 20 is tightly fitted to the inner wall of the pre-embedded holes 18. During installation, the four sets of fixing bolts 5 are used to stably fix the combined filling half frame 1, filling half frame 2 and floor slab 17 together.
[0040] The working principle of this utility model is as follows: When installing the filling half-frame 1 and filling half-frame 2, the two sets of clips 12 are respectively attached to the two sets of clip slots 13, and the four sets of insert rods 14 are respectively inserted into the four sets of insert holes 15, so that the two sets of fixing half-rings 9 are attached to the floor slab 17, thereby attaching the filling half-frame 1 and filling half-frame 2 together, so that the two sets of fastening half-rings 10 are tightly attached to the outer wall of the pre-embedded pipe fitting 19. Then, the two sets of fixing bolts 2 11 are respectively installed, thereby stabilizing the structure of the two sets of fastening half-rings 10, thus making the filling half-frame 1 and filling half-frame 2 stably attached together. After that, foam glue is injected into the inner cavity formed by the combination of filling half-frame 1 and filling half-frame 2 through the four sets of filling holes 3. After the foam glue is injected, it will slide on the four sets of positioning plates 6 respectively attached to the four sets of positioning grooves 4. When the positioning plate 6 completes to enter the positioning groove 4, the positioning plate 6 will drive the corresponding sealing block 8 to insert into the corresponding set of filling half-frames. Filling hole 3 is plugged, and then fixing bolt 11 is installed to make positioning plate 6 stably installed in positioning groove 4, so that sealing block 8 is stably inserted into filling hole 3. All four sets of fixing bolt 11 are threaded to floor slab 17, so that filling half frame 1, filling half frame 2 and floor slab 17 can be stably fixed together. When the foam adhesive needs to be replaced every few years, fixing bolt 11 and fixing bolt 21 can be removed, and filling half frame 1 and filling half frame 2 can be removed separately. Disassembly is convenient and foam adhesive can be replaced. During disassembly, sealing block 8 can be removed from filling hole 3. If filling half frame 1 and filling half frame 2 can be used after maintenance, foam adhesive can be injected again into the cavity formed by the reassembled filling half frame 1 and filling half frame 2 through filling hole 3 when they are reassembled.
[0041] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.
Claims
1. A waterproof structure for pre-embedded pipe fittings, characterized in that: It includes a first half-frame (1) and a second half-frame (2), which can be interlocked and fitted around the pre-embedded pipe and cover the pre-embedded hole; Both the first filling half-frame (1) and the second filling half-frame (2) are provided with filling holes (3). The bottom edge of the first filling half-frame (1) and the second filling half-frame (2) are provided with a set of fixing half-rings (9). The two sets of fixing half-rings (9) are provided with positioning grooves (4).
2. The waterproofing structure for embedded pipe fittings according to claim 1, characterized in that: The filling half frame one (1) and filling half frame two (2) are provided with a set of fastening half rings (10) at the ends away from the fixed half ring (9), and the two sets of fastening half rings (10) can be connected and locked by fixing bolt two (11).
3. The pre-embedded pipe fitting anti-seepage structure according to claim 2, characterized in that: The first filling half frame (1) and its fastening half ring (10) are provided with two sets of locking strips (12) at their two fastening ends, and the second filling half frame (2) and its fastening half ring (10) are provided with two sets of locking slots (13) at their two fastening ends, and the two sets of locking strips (12) and the two sets of locking slots (13) can be matched and fitted to each other respectively.
4. The pre-embedded pipe fitting anti-seepage structure according to claim 1, characterized in that: After the filling half frame one (1) and filling half frame two (2) are fastened together, they form a frustum-shaped cover. The two fixed half rings (9) are joined together to form a lower ring, and the two fastening half rings (10) are joined together to form an upper ring.
5. The waterproofing structure for embedded pipe fittings according to claim 1, characterized in that: One set of fixed half-rings (9) has an array of plug rods (14) at the connecting end, and another set of fixed half-rings (9) has an array of sockets (15) at the connecting end, with the plug rods (14) and the sockets (15) matching one by one.
6. The waterproofing structure for embedded pipe fittings according to claim 1, characterized in that: Both sets of fixed half rings (9) have inlay grooves at their bottoms, and sealing gaskets (16) are inlaid in the inlay grooves.
7. The waterproofing structure for embedded pipe fittings according to claim 1, characterized in that: The gap between the first filling half-frame (1) and the second filling half-frame (2) is filled with a filling material, which is foam adhesive or waterproof mortar.
8. The waterproofing structure for embedded pipe fittings according to claim 1, characterized in that: Each of the positioning slots (4) is fitted with a set of positioning plates (6) by a fixing bolt (5). The positioning plates (6) are fixedly connected to a set of bending stabilizing rods (7). One end of the bending stabilizing rods (7) is provided with a sealing block (8). Each of the sealing blocks (8) is used to be inserted into a filling hole (3).
9. The pre-embedded pipe fitting anti-seepage structure according to claim 8, characterized in that: The fixing bolts (5) are all connected to the floor slab (17) through the connectors. The floor slab (17) has a pre-embedded hole (18) through it. The pre-embedded pipe (19) is installed through the pre-embedded hole (18). The filling half frame (1) and filling half frame (2) can cover the pre-embedded hole (18) after they are fastened together. The pre-embedded pipe (19) is fitted with a waterproof gasket (20). The outer side of the waterproof gasket (20) is in contact with the inner wall of the pre-embedded hole (18).
10. An embedded pipe assembly, characterized in that: The water-proof structure of any one of claims 1 to 9 includes a pre-embedded hole that penetrates the floor and a pre-embedded pipe fitting (19) that passes through the pre-embedded hole and is sleeved on the pre-embedded pipe fitting (19). The two fixed half-rings of the water-proof structure of the pre-embedded pipe fitting are connected and installed around the pre-embedded hole (18). The two fastening half-rings (10) of the water-proof structure of the pre-embedded pipe fitting are connected and connected to the pre-embedded pipe fitting (19).
Citation Information
Patent Citations
Floor soil stack anti-seepage embedded pipe fitting
CN202532025U
First structure of waterproof receipts that floor was worn to hot -water heating riser between residential sanitation
CN204828964U